From 5ba0abd185b6f880d925042179947fe0728f5af7 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sun, 8 Sep 2013 08:28:27 +0000 Subject: [PATCH] git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6273 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- .../ARMCMx/compilers/GCC/ld/STM32F051x8.ld | 2 +- .../ARMCMx/compilers/GCC/ld/STM32F303xC.ld | 2 +- .../ARMCMx/compilers/GCC/ld/STM32F373xC.ld | 2 +- .../ARMCMx/compilers/GCC/ld/STM32F405xG.ld | 9 +- .../ARMCMx/compilers/GCC/ld/STM32F407xG.ld | 9 +- .../compilers/GCC/ld/STM32F407xG_CCM.ld | 9 +- .../ports/ARMCMx/devices/STM32F37x/cmparams.h | 87 + os/ext/CMSIS/ST/stm32f37x.h | 5438 ++++++++++++++ os/ext/CMSIS/ST/stm32l1xx.h | 6355 +++++++++++++++++ os/ext/CMSIS/ST/system_stm32f37x.h | 104 + os/ext/CMSIS/ST/system_stm32l1xx.h | 104 + os/hal/ports/STM32F37x/adc_lld.c | 735 ++ os/hal/ports/STM32F37x/adc_lld.h | 711 ++ os/hal/ports/STM32F37x/ext_lld_isr.c | 366 + os/hal/ports/STM32F37x/ext_lld_isr.h | 163 + os/hal/ports/STM32F37x/hal_lld.c | 205 + os/hal/ports/STM32F37x/hal_lld.h | 1025 +++ os/hal/ports/STM32F37x/platform.mk | 28 + os/hal/ports/STM32F37x/stm32_dma.c | 450 ++ os/hal/ports/STM32F37x/stm32_dma.h | 406 ++ os/hal/ports/STM32F37x/stm32_isr.h | 126 + os/hal/ports/STM32F37x/stm32_rcc.h | 860 +++ os/hal/ports/STM32F37x/stm32_registry.h | 207 + os/hal/ports/STM32L1xx/adc_lld.c | 282 + os/hal/ports/STM32L1xx/adc_lld.h | 484 ++ os/hal/ports/STM32L1xx/ext_lld_isr.c | 339 + os/hal/ports/STM32L1xx/ext_lld_isr.h | 163 + os/hal/ports/STM32L1xx/hal_lld.c | 236 + os/hal/ports/STM32L1xx/hal_lld.h | 1069 +++ os/hal/ports/STM32L1xx/platform.dox | 315 + os/hal/ports/STM32L1xx/platform.mk | 25 + os/hal/ports/STM32L1xx/stm32_dma.c | 344 + os/hal/ports/STM32L1xx/stm32_dma.h | 396 + os/hal/ports/STM32L1xx/stm32_isr.h | 92 + os/hal/ports/STM32L1xx/stm32_rcc.h | 662 ++ .../ARMCMx/compilers/GCC/mk/port_stm32f37x.mk | 15 + .../ARMCMx/compilers/GCC/mk/port_stm32f4xx.mk | 15 + .../ARMCMx/compilers/GCC/mk/port_stm32f37x.mk | 15 + 38 files changed, 21828 insertions(+), 27 deletions(-) create mode 100644 os/common/ports/ARMCMx/devices/STM32F37x/cmparams.h create mode 100644 os/ext/CMSIS/ST/stm32f37x.h create mode 100644 os/ext/CMSIS/ST/stm32l1xx.h create mode 100644 os/ext/CMSIS/ST/system_stm32f37x.h create mode 100644 os/ext/CMSIS/ST/system_stm32l1xx.h create mode 100644 os/hal/ports/STM32F37x/adc_lld.c create mode 100644 os/hal/ports/STM32F37x/adc_lld.h create mode 100644 os/hal/ports/STM32F37x/ext_lld_isr.c create mode 100644 os/hal/ports/STM32F37x/ext_lld_isr.h create mode 100644 os/hal/ports/STM32F37x/hal_lld.c create mode 100644 os/hal/ports/STM32F37x/hal_lld.h create mode 100644 os/hal/ports/STM32F37x/platform.mk create mode 100644 os/hal/ports/STM32F37x/stm32_dma.c create mode 100644 os/hal/ports/STM32F37x/stm32_dma.h create mode 100644 os/hal/ports/STM32F37x/stm32_isr.h create mode 100644 os/hal/ports/STM32F37x/stm32_rcc.h create mode 100644 os/hal/ports/STM32F37x/stm32_registry.h create mode 100644 os/hal/ports/STM32L1xx/adc_lld.c create mode 100644 os/hal/ports/STM32L1xx/adc_lld.h create mode 100644 os/hal/ports/STM32L1xx/ext_lld_isr.c create mode 100644 os/hal/ports/STM32L1xx/ext_lld_isr.h create mode 100644 os/hal/ports/STM32L1xx/hal_lld.c create mode 100644 os/hal/ports/STM32L1xx/hal_lld.h create mode 100644 os/hal/ports/STM32L1xx/platform.dox create mode 100644 os/hal/ports/STM32L1xx/platform.mk create mode 100644 os/hal/ports/STM32L1xx/stm32_dma.c create mode 100644 os/hal/ports/STM32L1xx/stm32_dma.h create mode 100644 os/hal/ports/STM32L1xx/stm32_isr.h create mode 100644 os/hal/ports/STM32L1xx/stm32_rcc.h create mode 100644 os/nil/ports/ARMCMx/compilers/GCC/mk/port_stm32f37x.mk create mode 100644 os/nil/ports/ARMCMx/compilers/GCC/mk/port_stm32f4xx.mk create mode 100644 os/rt/ports/ARMCMx/compilers/GCC/mk/port_stm32f37x.mk diff --git a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F051x8.ld b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F051x8.ld index c9e4e9cd3..838fb6207 100644 --- a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F051x8.ld +++ b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F051x8.ld @@ -22,7 +22,7 @@ * ST32F051x8 memory setup. */ __main_stack_size__ = 0x0400; -__process_stack_size__ = 0x0400; +__process_stack_size__ = 0x0200; MEMORY { diff --git a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F303xC.ld b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F303xC.ld index 861bdd21d..8f03734f4 100644 --- a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F303xC.ld +++ b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F303xC.ld @@ -22,7 +22,7 @@ * ST32F303xC memory setup. */ __main_stack_size__ = 0x0400; -__process_stack_size__ = 0x0400; +__process_stack_size__ = 0x0200; MEMORY { diff --git a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F373xC.ld b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F373xC.ld index 6d14877bc..0fb2af344 100644 --- a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F373xC.ld +++ b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F373xC.ld @@ -22,7 +22,7 @@ * ST32F373xC memory setup. */ __main_stack_size__ = 0x0400; -__process_stack_size__ = 0x0400; +__process_stack_size__ = 0x0200; MEMORY { diff --git a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F405xG.ld b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F405xG.ld index 6c8effd11..8f95d5c42 100644 --- a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F405xG.ld +++ b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F405xG.ld @@ -16,20 +16,13 @@ You should have received a copy of the GNU General Public License along with this program. If not, see . - - --- - - A special exception to the GPL can be applied should you wish to distribute - a combined work that includes ChibiOS/RT, without being obliged to provide - the source code for any proprietary components. See the file exception.txt - for full details of how and when the exception can be applied. */ /* * ST32F405xG memory setup. */ __main_stack_size__ = 0x0400; -__process_stack_size__ = 0x0400; +__process_stack_size__ = 0x0200; MEMORY { diff --git a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F407xG.ld b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F407xG.ld index 623b35c77..9d34f2ca9 100644 --- a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F407xG.ld +++ b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F407xG.ld @@ -16,20 +16,13 @@ You should have received a copy of the GNU General Public License along with this program. If not, see . - - --- - - A special exception to the GPL can be applied should you wish to distribute - a combined work that includes ChibiOS/RT, without being obliged to provide - the source code for any proprietary components. See the file exception.txt - for full details of how and when the exception can be applied. */ /* * ST32F407xG memory setup. */ __main_stack_size__ = 0x0400; -__process_stack_size__ = 0x0400; +__process_stack_size__ = 0x0200; MEMORY { diff --git a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F407xG_CCM.ld b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F407xG_CCM.ld index 39a7defcc..c23f1412f 100644 --- a/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F407xG_CCM.ld +++ b/os/common/ports/ARMCMx/compilers/GCC/ld/STM32F407xG_CCM.ld @@ -16,20 +16,13 @@ You should have received a copy of the GNU General Public License along with this program. If not, see . - - --- - - A special exception to the GPL can be applied should you wish to distribute - a combined work that includes ChibiOS/RT, without being obliged to provide - the source code for any proprietary components. See the file exception.txt - for full details of how and when the exception can be applied. */ /* * ST32F407xG memory setup. */ __main_stack_size__ = 0x0400; -__process_stack_size__ = 0x0400; +__process_stack_size__ = 0x0200; MEMORY { diff --git a/os/common/ports/ARMCMx/devices/STM32F37x/cmparams.h b/os/common/ports/ARMCMx/devices/STM32F37x/cmparams.h new file mode 100644 index 000000000..5355b2176 --- /dev/null +++ b/os/common/ports/ARMCMx/devices/STM32F37x/cmparams.h @@ -0,0 +1,87 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011,2012,2013 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +/** + * @file STM32F37x/cmparams.h + * @brief ARM Cortex-M4 parameters for the STM32F37x. + * + * @defgroup ARMCMx_STM32F37x STM32F37x Specific Parameters + * @ingroup ARMCMx_SPECIFIC + * @details This file contains the Cortex-M4 specific parameters for the + * STM32F37x platform. + * @{ + */ + +#ifndef _CMPARAMS_H_ +#define _CMPARAMS_H_ + +/** + * @brief Cortex core model. + */ +#define CORTEX_MODEL CORTEX_M4 + +/** + * @brief Memory Protection unit presence. + */ +#define CORTEX_HAS_MPU 1 + +/** + * @brief Floating Point unit presence. + */ +#define CORTEX_HAS_FPU 1 + +/** + * @brief Number of bits in priority masks. + */ +#define CORTEX_PRIORITY_BITS 4 + +/** + * @brief Number of interrupt vectors. + * @note This number does not include the 16 system vectors and must be + * rounded to a multiple of 4. + */ +#define CORTEX_NUM_VECTORS 88 + +/* The following code is not processed when the file is included from an + asm module.*/ +#if !defined(_FROM_ASM_) + +/* Including the device CMSIS header. Note, we are not using the definitions + from this header because we need this file to be usable also from + assembler source files. We verify that the info matches instead.*/ +#include "stm32f37x.h" + +#if !CORTEX_HAS_MPU != !__MPU_PRESENT +#error "CMSIS __MPU_PRESENT mismatch" +#endif + +#if !CORTEX_HAS_FPU != !__FPU_PRESENT +#error "CMSIS __FPU_PRESENT mismatch" +#endif + +#if CORTEX_PRIORITY_BITS != __NVIC_PRIO_BITS +#error "CMSIS __NVIC_PRIO_BITS mismatch" +#endif + +#endif /* !defined(_FROM_ASM_) */ + +#endif /* _CMPARAMS_H_ */ + +/** @} */ diff --git a/os/ext/CMSIS/ST/stm32f37x.h b/os/ext/CMSIS/ST/stm32f37x.h new file mode 100644 index 000000000..08c7f271c --- /dev/null +++ b/os/ext/CMSIS/ST/stm32f37x.h @@ -0,0 +1,5438 @@ +/** + ****************************************************************************** + * @file stm32f37x.h + * @author MCD Application Team + * @version V1.0.0 + * @date 20-September-2012 + * @brief CMSIS Cortex-M4 Device Peripheral Access Layer Header File. + * This file contains all the peripheral registers definitions, bits + * definitions and memory mapping for STM32F37x devices. + * + * The file is the unique include file that the application programmer + * is using in the C source code, usually in main.c. This file contains: + * - Configuration section that allows to select: + * - The device used in the target application + * - To use or not the peripheral’s drivers in application code(i.e. + * code will be based on direct access to peripheral’s registers + * rather than drivers API), this option is controlled by + * "#define USE_STDPERIPH_DRIVER" + * - To change few application-specific parameters such as the HSE + * crystal frequency + * - Data structures and the address mapping for all peripherals + * - Peripheral registers declarations and bits definition + * - Macros to access peripheral registers hardware + * + ****************************************************************************** + * @attention + * + * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS + * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE + * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY + * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING + * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE + * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS. + * + * FOR MORE INFORMATION PLEASE READ CAREFULLY THE LICENSE AGREEMENT FILE + * LOCATED IN THE ROOT DIRECTORY OF THIS FIRMWARE PACKAGE. + * + *

© COPYRIGHT 2012 STMicroelectronics

+ ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32f37x + * @{ + */ + +#ifndef __STM32F37x_H +#define __STM32F37x_H + +#ifdef __cplusplus + extern "C" { +#endif /* __cplusplus */ + +/** @addtogroup Library_configuration_section + * @{ + */ + +/* Uncomment the line below according to the target STM32 device used in your + application + */ + +#if !defined (STM32F37X) + #define STM32F37X +#endif + +/* Tip: To avoid modifying this file each time you need to switch between these + devices, you can define the device in your toolchain compiler preprocessor. + */ + +#if !defined (STM32F37X) + #error "Please select first the target STM32F37X device used in your application (in stm32f37x.h file)" +#endif + +#if !defined (USE_STDPERIPH_DRIVER) +/** + * @brief Comment the line below if you will not use the peripherals drivers. + In this case, these drivers will not be included and the application code will + be based on direct access to peripherals registers + */ + /*#define USE_STDPERIPH_DRIVER*/ +#endif /* USE_STDPERIPH_DRIVER */ + +/** + * @brief In the following line adjust the value of External High Speed oscillator (HSE) + used in your application + + Tip: To avoid modifying this file each time you need to use different HSE, you + can define the HSE value in your toolchain compiler preprocessor. + */ +#if !defined (HSE_VALUE) + #define HSE_VALUE ((uint32_t)8000000) /*!< Value of the External oscillator in Hz */ +#endif /* HSE_VALUE */ +/** + * @brief In the following line adjust the External High Speed oscillator (HSE) Startup + Timeout value + */ +#if !defined (HSE_STARTUP_TIMEOUT) + #define HSE_STARTUP_TIMEOUT ((uint16_t)0x0500) /*!< Time out for HSE start up */ +#endif /* HSE_STARTUP_TIMEOUT */ +/** + * @brief In the following line adjust the Internal High Speed oscillator (HSI) Startup + Timeout value + */ +#define HSI_STARTUP_TIMEOUT ((uint16_t)0x0500) /*!< Time out for HSI start up */ + +#if !defined (HSI_VALUE) + #define HSI_VALUE ((uint32_t)8000000) +#endif /* HSI_VALUE */ /*!< Value of the Internal High Speed oscillator in Hz. + The real value may vary depending on the variations + in voltage and temperature. */ +#if !defined (LSI_VALUE) + #define LSI_VALUE ((uint32_t)40000) +#endif /* LSI_VALUE */ /*!< Value of the Internal Low Speed oscillator in Hz + The real value may vary depending on the variations + in voltage and temperature. */ +#if !defined (LSE_VALUE) + #define LSE_VALUE ((uint32_t)32768) /*!< Value of the External Low Speed oscillator in Hz */ +#endif /* LSE_VALUE */ + +/** + * @brief STM32F37x Standard Peripherals Library version number V1.0.0 + */ +#define __STM32F37X_STDPERIPH_VERSION_MAIN (0x01) /*!< [31:24] main version */ +#define __STM32F37X_STDPERIPH_VERSION_SUB1 (0x00) /*!< [23:16] sub1 version */ +#define __STM32F37X_STDPERIPH_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */ +#define __STM32F37X_STDPERIPH_VERSION_RC (0x00) /*!< [7:0] release candidate */ +#define __STM32F37X_STDPERIPH_VERSION ( (__STM32F37X_STDPERIPH_VERSION_MAIN << 24)\ + |(__STM32F37X_STDPERIPH_VERSION_SUB1 << 16)\ + |(__STM32F37X_STDPERIPH_VERSION_SUB2 << 8)\ + |(__STM32F37X_STDPERIPH_VERSION_RC)) + +/** + * @} + */ + +/** @addtogroup Configuration_section_for_CMSIS + * @{ + */ + +/** + * @brief Configuration of the Cortex-M4 Processor and Core Peripherals + */ +#define __CM4_REV 0x0001 /*!< Core revision r0p1 */ +#define __MPU_PRESENT 1 /*!< STM32F37X provide an MPU */ +#define __NVIC_PRIO_BITS 4 /*!< STM32F37X uses 4 Bits for the Priority Levels */ +#define __Vendor_SysTickConfig 0 /*!< Set to 1 if different SysTick Config is used */ +#define __FPU_PRESENT 1 /*!< STM32F37X provide an FPU */ + + +/** + * @brief STM32F37X Interrupt Number Definition, according to the selected device + * in @ref Library_configuration_section + */ +typedef enum IRQn +{ +/****** Cortex-M4 Processor Exceptions Numbers ****************************************************************/ + NonMaskableInt_IRQn = -14, /*!< 2 Non Maskable Interrupt */ + MemoryManagement_IRQn = -12, /*!< 4 Cortex-M4 Memory Management Interrupt */ + BusFault_IRQn = -11, /*!< 5 Cortex-M4 Bus Fault Interrupt */ + UsageFault_IRQn = -10, /*!< 6 Cortex-M4 Usage Fault Interrupt */ + SVCall_IRQn = -5, /*!< 11 Cortex-M4 SV Call Interrupt */ + DebugMonitor_IRQn = -4, /*!< 12 Cortex-M4 Debug Monitor Interrupt */ + PendSV_IRQn = -2, /*!< 14 Cortex-M4 Pend SV Interrupt */ + SysTick_IRQn = -1, /*!< 15 Cortex-M4 System Tick Interrupt */ +/****** STM32 specific Interrupt Numbers **********************************************************************/ + WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */ + PVD_IRQn = 1, /*!< PVD through EXTI Line detection Interrupt */ + TAMPER_STAMP_IRQn = 2, /*!< Tamper and TimeStamp interrupts through the EXTI line 19 */ + RTC_WKUP_IRQn = 3, /*!< RTC Wakeup interrupt through the EXTI line 20 */ + FLASH_IRQn = 4, /*!< FLASH global Interrupt */ + RCC_IRQn = 5, /*!< RCC global Interrupt */ + EXTI0_IRQn = 6, /*!< EXTI Line0 Interrupt */ + EXTI1_IRQn = 7, /*!< EXTI Line1 Interrupt */ + EXTI2_TS_IRQn = 8, /*!< EXTI Line2 Interrupt and Touch Sense Interrupt */ + EXTI3_IRQn = 9, /*!< EXTI Line3 Interrupt */ + EXTI4_IRQn = 10, /*!< EXTI Line4 Interrupt */ + DMA1_Channel1_IRQn = 11, /*!< DMA1 Channel 1 Interrupt */ + DMA1_Channel2_IRQn = 12, /*!< DMA1 Channel 2 Interrupt */ + DMA1_Channel3_IRQn = 13, /*!< DMA1 Channel 3 Interrupt */ + DMA1_Channel4_IRQn = 14, /*!< DMA1 Channel 4 Interrupt */ + DMA1_Channel5_IRQn = 15, /*!< DMA1 Channel 5 Interrupt */ + DMA1_Channel6_IRQn = 16, /*!< DMA1 Channel 6 Interrupt */ + DMA1_Channel7_IRQn = 17, /*!< DMA1 Channel 7 Interrupt */ + ADC1_IRQn = 18, /*!< ADC1 Interrupts */ + CAN1_TX_IRQn = 19, /*!< CAN1 TX Interrupt */ + CAN1_RX0_IRQn = 20, /*!< CAN1 RX0 Interrupt */ + CAN1_RX1_IRQn = 21, /*!< CAN1 RX1 Interrupt */ + CAN1_SCE_IRQn = 22, /*!< CAN1 SCE Interrupt */ + EXTI9_5_IRQn = 23, /*!< External Line[9:5] Interrupts */ + TIM15_IRQn = 24, /*!< TIM15 global Interrupt */ + TIM16_IRQn = 25, /*!< TIM16 global Interrupt */ + TIM17_IRQn = 26, /*!< TIM17 global Interrupt */ + TIM18_DAC2_IRQn = 27, /*!< TIM18 global Interrupt and DAC2 underrun Interrupt */ + TIM2_IRQn = 28, /*!< TIM2 global Interrupt */ + TIM3_IRQn = 29, /*!< TIM3 global Interrupt */ + TIM4_IRQn = 30, /*!< TIM4 global Interrupt */ + I2C1_EV_IRQn = 31, /*!< I2C1 Event Interrupt */ + I2C1_ER_IRQn = 32, /*!< I2C1 Error Interrupt */ + I2C2_EV_IRQn = 33, /*!< I2C2 Event Interrupt */ + I2C2_ER_IRQn = 34, /*!< I2C2 Error Interrupt */ + SPI1_IRQn = 35, /*!< SPI1 global Interrupt */ + SPI2_IRQn = 36, /*!< SPI2 global Interrupt */ + USART1_IRQn = 37, /*!< USART1 global Interrupt */ + USART2_IRQn = 38, /*!< USART2 global Interrupt */ + USART3_IRQn = 39, /*!< USART3 global Interrupt */ + EXTI15_10_IRQn = 40, /*!< External Line[15:10] Interrupts */ + RTC_Alarm_IRQn = 41, /*!< RTC Alarm (A and B) through EXTI Line Interrupt */ + CEC_IRQn = 42, /*!< CEC Interrupt */ + TIM12_IRQn = 43, /*!< TIM12 global interrupt */ + TIM13_IRQn = 44, /*!< TIM13 global interrupt */ + TIM14_IRQn = 45, /*!< TIM14 global interrupt */ + TIM5_IRQn = 50, /*!< TIM5 global Interrupt */ + SPI3_IRQn = 51, /*!< SPI3 global Interrupt */ + TIM6_DAC1_IRQn = 54, /*!< TIM6 global and DAC1 Cahnnel1 & Cahnnel2 underrun error Interrupts*/ + TIM7_IRQn = 55, /*!< TIM7 global Interrupt */ + DMA2_Channel1_IRQn = 56, /*!< DMA2 Channel 1 global Interrupt */ + DMA2_Channel2_IRQn = 57, /*!< DMA2 Channel 2 global Interrupt */ + DMA2_Channel3_IRQn = 58, /*!< DMA2 Channel 3 global Interrupt */ + DMA2_Channel4_IRQn = 59, /*!< DMA2 Channel 4 global Interrupt */ + DMA2_Channel5_IRQn = 60, /*!< DMA2 Channel 5 global Interrupt */ + SDADC1_IRQn = 61, /*!< ADC Sigma Delta 1 global Interrupt */ + SDADC2_IRQn = 62, /*!< ADC Sigma Delta 2 global Interrupt */ + SDADC3_IRQn = 63, /*!< ADC Sigma Delta 1 global Interrupt */ + COMP_IRQn = 64, /*!< COMP1 and COMP2 global Interrupt */ + USB_HP_IRQn = 74, /*!< USB High Priority global Interrupt */ + USB_LP_IRQn = 75, /*!< USB Low Priority global Interrupt */ + USBWakeUp_IRQn = 76, /*!< USB Wakeup Interrupt */ + TIM19_IRQn = 78, /*!< TIM19 global Interrupt */ + FPU_IRQn = 81 /*!< Floating point Interrupt */ +} IRQn_Type; + +/** + * @} + */ + +#include "core_cm4.h" /* Cortex-M4 processor and core peripherals */ +#include "system_stm32f37x.h" /* STM32F37x System Header */ +#include + +/** @addtogroup Exported_types + * @{ + */ +/*!< STM32F10x Standard Peripheral Library old types (maintained for legacy purpose) */ +typedef int32_t s32; +typedef int16_t s16; +typedef int8_t s8; + +typedef const int32_t sc32; /*!< Read Only */ +typedef const int16_t sc16; /*!< Read Only */ +typedef const int8_t sc8; /*!< Read Only */ + +typedef __IO int32_t vs32; +typedef __IO int16_t vs16; +typedef __IO int8_t vs8; + +typedef __I int32_t vsc32; /*!< Read Only */ +typedef __I int16_t vsc16; /*!< Read Only */ +typedef __I int8_t vsc8; /*!< Read Only */ + +typedef uint32_t u32; +typedef uint16_t u16; +typedef uint8_t u8; + +typedef const uint32_t uc32; /*!< Read Only */ +typedef const uint16_t uc16; /*!< Read Only */ +typedef const uint8_t uc8; /*!< Read Only */ + +typedef __IO uint32_t vu32; +typedef __IO uint16_t vu16; +typedef __IO uint8_t vu8; + +typedef __I uint32_t vuc32; /*!< Read Only */ +typedef __I uint16_t vuc16; /*!< Read Only */ +typedef __I uint8_t vuc8; /*!< Read Only */ + +typedef enum {RESET = 0, SET = !RESET} FlagStatus, ITStatus; + +typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState; +#define IS_FUNCTIONAL_STATE(STATE) (((STATE) == DISABLE) || ((STATE) == ENABLE)) + +typedef enum {ERROR = 0, SUCCESS = !ERROR} ErrorStatus; + +/** + * @} + */ + +/** @addtogroup Peripheral_registers_structures + * @{ + */ + +/** + * @brief Analog to Digital Converter + */ + +typedef struct +{ + __IO uint32_t SR; /*!< ADC status register, Address offset: 0x00 */ + __IO uint32_t CR1; /*!< ADC control register 1, Address offset: 0x04 */ + __IO uint32_t CR2; /*!< ADC control register 2, Address offset: 0x08 */ + __IO uint32_t SMPR1; /*!< ADC sample time register 1, Address offset: 0x0C */ + __IO uint32_t SMPR2; /*!< ADC sample time register 2, Address offset: 0x10 */ + __IO uint32_t JOFR1; /*!< ADC injected channel data offset register 1, Address offset: 0x14 */ + __IO uint32_t JOFR2; /*!< ADC injected channel data offset register 2, Address offset: 0x18 */ + __IO uint32_t JOFR3; /*!< ADC injected channel data offset register 3, Address offset: 0x1C */ + __IO uint32_t JOFR4; /*!< ADC injected channel data offset register 4, Address offset: 0x20 */ + __IO uint32_t HTR; /*!< ADC watchdog higher threshold register, Address offset: 0x24 */ + __IO uint32_t LTR; /*!< ADC watchdog lower threshold register, Address offset: 0x28 */ + __IO uint32_t SQR1; /*!< ADC regular sequence register 1, Address offset: 0x2C */ + __IO uint32_t SQR2; /*!< ADC regular sequence register 2, Address offset: 0x30 */ + __IO uint32_t SQR3; /*!< ADC regular sequence register 3, Address offset: 0x34 */ + __IO uint32_t JSQR; /*!< ADC injected sequence register, Address offset: 0x38 */ + __IO uint32_t JDR1; /*!< ADC injected data register 1, Address offset: 0x3C */ + __IO uint32_t JDR2; /*!< ADC injected data register 2, Address offset: 0x40 */ + __IO uint32_t JDR3; /*!< ADC injected data register 3, Address offset: 0x44 */ + __IO uint32_t JDR4; /*!< ADC injected data register 4, Address offset: 0x48 */ + __IO uint32_t DR; /*!< ADC regular data register, Address offset: 0x4C */ +} ADC_TypeDef; + + +/** + * @brief Controller Area Network TxMailBox + */ +typedef struct +{ + __IO uint32_t TIR; /*!< CAN TX mailbox identifier register */ + __IO uint32_t TDTR; /*!< CAN mailbox data length control and time stamp register */ + __IO uint32_t TDLR; /*!< CAN mailbox data low register */ + __IO uint32_t TDHR; /*!< CAN mailbox data high register */ +} CAN_TxMailBox_TypeDef; + +/** + * @brief Controller Area Network FIFOMailBox + */ +typedef struct +{ + __IO uint32_t RIR; /*!< CAN receive FIFO mailbox identifier register */ + __IO uint32_t RDTR; /*!< CAN receive FIFO mailbox data length control and time stamp register */ + __IO uint32_t RDLR; /*!< CAN receive FIFO mailbox data low register */ + __IO uint32_t RDHR; /*!< CAN receive FIFO mailbox data high register */ +} CAN_FIFOMailBox_TypeDef; + +/** + * @brief Controller Area Network FilterRegister + */ +typedef struct +{ + __IO uint32_t FR1; /*!< CAN Filter bank register 1 */ + __IO uint32_t FR2; /*!< CAN Filter bank register 1 */ +} CAN_FilterRegister_TypeDef; + +/** + * @brief Controller Area Network + */ +typedef struct +{ + __IO uint32_t MCR; /*!< CAN master control register, Address offset: 0x00 */ + __IO uint32_t MSR; /*!< CAN master status register, Address offset: 0x04 */ + __IO uint32_t TSR; /*!< CAN transmit status register, Address offset: 0x08 */ + __IO uint32_t RF0R; /*!< CAN receive FIFO 0 register, Address offset: 0x0C */ + __IO uint32_t RF1R; /*!< CAN receive FIFO 1 register, Address offset: 0x10 */ + __IO uint32_t IER; /*!< CAN interrupt enable register, Address offset: 0x14 */ + __IO uint32_t ESR; /*!< CAN error status register, Address offset: 0x18 */ + __IO uint32_t BTR; /*!< CAN bit timing register, Address offset: 0x1C */ + uint32_t RESERVED0[88]; /*!< Reserved, 0x020 - 0x17F */ + CAN_TxMailBox_TypeDef sTxMailBox[3]; /*!< CAN Tx MailBox, Address offset: 0x180 - 0x1AC */ + CAN_FIFOMailBox_TypeDef sFIFOMailBox[2]; /*!< CAN FIFO MailBox, Address offset: 0x1B0 - 0x1CC */ + uint32_t RESERVED1[12]; /*!< Reserved, 0x1D0 - 0x1FF */ + __IO uint32_t FMR; /*!< CAN filter master register, Address offset: 0x200 */ + __IO uint32_t FM1R; /*!< CAN filter mode register, Address offset: 0x204 */ + uint32_t RESERVED2; /*!< Reserved, 0x208 */ + __IO uint32_t FS1R; /*!< CAN filter scale register, Address offset: 0x20C */ + uint32_t RESERVED3; /*!< Reserved, 0x210 */ + __IO uint32_t FFA1R; /*!< CAN filter FIFO assignment register, Address offset: 0x214 */ + uint32_t RESERVED4; /*!< Reserved, 0x218 */ + __IO uint32_t FA1R; /*!< CAN filter activation register, Address offset: 0x21C */ + uint32_t RESERVED5[8]; /*!< Reserved, 0x220-0x23F */ + CAN_FilterRegister_TypeDef sFilterRegister[28]; /*!< CAN Filter Register, Address offset: 0x240-0x31C */ +} CAN_TypeDef; + +/** + * @brief Consumer Electronics Control + */ + +typedef struct +{ + __IO uint32_t CR; /*!< CEC control register, Address offset:0x00 */ + __IO uint32_t CFGR; /*!< CEC configuration register, Address offset:0x04 */ + __IO uint32_t TXDR; /*!< CEC Tx data register , Address offset:0x08 */ + __IO uint32_t RXDR; /*!< CEC Rx Data Register, Address offset:0x0C */ + __IO uint32_t ISR; /*!< CEC Interrupt and Status Register, Address offset:0x10 */ + __IO uint32_t IER; /*!< CEC interrupt enable register, Address offset:0x14 */ +}CEC_TypeDef; + +/** + * @brief Analog Comparators + */ + +typedef struct +{ + __IO uint32_t CSR; /*!< Comparator control Status register, Address offset: 0x00 */ +} COMP_TypeDef; + +/** + * @brief CRC calculation unit + */ + +typedef struct +{ + __IO uint32_t DR; /*!< CRC Data register, Address offset: 0x00 */ + __IO uint8_t IDR; /*!< CRC Independent data register, Address offset: 0x04 */ + uint8_t RESERVED0; /*!< Reserved, 0x05 */ + uint16_t RESERVED1; /*!< Reserved, 0x06 */ + __IO uint32_t CR; /*!< CRC Control register, Address offset: 0x08 */ + uint32_t RESERVED2; /*!< Reserved, 0x0C */ + __IO uint32_t INIT; /*!< Initial CRC value register, Address offset: 0x10 */ + __IO uint32_t POL; /*!< CRC polynomial register, Address offset: 0x14 */ +} CRC_TypeDef; + +/** + * @brief Digital to Analog Converter + */ + +typedef struct +{ + __IO uint32_t CR; /*!< DAC control register, Address offset: 0x00 */ + __IO uint32_t SWTRIGR; /*!< DAC software trigger register, Address offset: 0x04 */ + __IO uint32_t DHR12R1; /*!< DAC channel1 12-bit right-aligned data holding register, Address offset: 0x08 */ + __IO uint32_t DHR12L1; /*!< DAC channel1 12-bit left aligned data holding register, Address offset: 0x0C */ + __IO uint32_t DHR8R1; /*!< DAC channel1 8-bit right aligned data holding register, Address offset: 0x10 */ + __IO uint32_t DHR12R2; /*!< DAC channel2 12-bit right aligned data holding register, Address offset: 0x14 */ + __IO uint32_t DHR12L2; /*!< DAC channel2 12-bit left aligned data holding register, Address offset: 0x18 */ + __IO uint32_t DHR8R2; /*!< DAC channel2 8-bit right-aligned data holding register, Address offset: 0x1C */ + __IO uint32_t DHR12RD; /*!< Dual DAC 12-bit right-aligned data holding register, Address offset: 0x20 */ + __IO uint32_t DHR12LD; /*!< DUAL DAC 12-bit left aligned data holding register, Address offset: 0x24 */ + __IO uint32_t DHR8RD; /*!< DUAL DAC 8-bit right aligned data holding register, Address offset: 0x28 */ + __IO uint32_t DOR1; /*!< DAC channel1 data output register, Address offset: 0x2C */ + __IO uint32_t DOR2; /*!< DAC channel2 data output register, Address offset: 0x30 */ + __IO uint32_t SR; /*!< DAC status register, Address offset: 0x34 */ +} DAC_TypeDef; + +/** + * @brief Debug MCU + */ + +typedef struct +{ + __IO uint32_t IDCODE; /*!< MCU device ID code, Address offset: 0x00 */ + __IO uint32_t CR; /*!< Debug MCU configuration register, Address offset: 0x04 */ + __IO uint32_t APB1FZ; /*!< Debug MCU APB1 freeze register, Address offset: 0x08 */ + __IO uint32_t APB2FZ; /*!< Debug MCU APB2 freeze register, Address offset: 0x0C */ +}DBGMCU_TypeDef; + +/** + * @brief DMA Controller + */ + +typedef struct +{ + __IO uint32_t CCR; /*!< DMA channel x configuration register */ + __IO uint32_t CNDTR; /*!< DMA channel x number of data register */ + __IO uint32_t CPAR; /*!< DMA channel x peripheral address register */ + __IO uint32_t CMAR; /*!< DMA channel x memory address register */ +} DMA_Channel_TypeDef; + +typedef struct +{ + __IO uint32_t ISR; /*!< DMA interrupt status register, Address offset: 0x00 */ + __IO uint32_t IFCR; /*!< DMA interrupt flag clear register, Address offset: 0x04 */ +} DMA_TypeDef; + +/** + * @brief External Interrupt/Event Controller + */ + +typedef struct +{ + __IO uint32_t IMR; /*!
© COPYRIGHT 2013 STMicroelectronics
+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32l1xx + * @{ + */ + +#ifndef __STM32L1XX_H +#define __STM32L1XX_H + +#ifdef __cplusplus + extern "C" { +#endif + +/** @addtogroup Library_configuration_section + * @{ + */ + +/* Uncomment the line below according to the target STM32L device used in your + application + */ + +#if !defined (STM32L1XX_MD) && !defined (STM32L1XX_MDP) && !defined (STM32L1XX_HD) + +/* #define STM32L1XX_MD */ /*!< - Ultra Low Power Medium-density devices: STM32L151x6xx, STM32L151x8xx, + STM32L151xBxx, STM32L152x6xx, STM32L152x8xx and STM32L152xBxx. + - Ultra Low Power Medium-density Value Line devices: STM32L100x6xx, + STM32L100x8xx and STM32L100xBxx. */ + +/* #define STM32L1XX_MDP */ /*!< - Ultra Low Power Medium-density Plus devices: STM32L151xCxx, STM32L152xCxx and STM32L162xCxx + - Ultra Low Power Medium-density Plus Value Line devices: STM32L100xCxx */ + +#define STM32L1XX_HD /*!< Ultra Low Power High-density devices: STM32L151xDxx, STM32L152xDxx and STM32L162xDxx */ +#endif +/* Tip: To avoid modifying this file each time you need to switch between these + devices, you can define the device in your toolchain compiler preprocessor. + */ + +#if !defined (STM32L1XX_MD) && !defined (STM32L1XX_MDP) && !defined (STM32L1XX_HD) + #error "Please select first the target STM32L1xx device used in your application (in stm32l1xx.h file)" +#endif + +#if !defined USE_STDPERIPH_DRIVER +/** + * @brief Comment the line below if you will not use the peripherals drivers. + In this case, these drivers will not be included and the application code will + be based on direct access to peripherals registers + */ + /*#define USE_STDPERIPH_DRIVER*/ +#endif + +/** + * @brief In the following line adjust the value of External High Speed oscillator (HSE) + used in your application + + Tip: To avoid modifying this file each time you need to use different HSE, you + can define the HSE value in your toolchain compiler preprocessor. + */ +#if !defined (HSE_VALUE) +#define HSE_VALUE ((uint32_t)8000000) /*!< Value of the External oscillator in Hz */ +#endif + +/** + * @brief In the following line adjust the External High Speed oscillator (HSE) Startup + Timeout value + */ +#if !defined (HSE_STARTUP_TIMEOUT) +#define HSE_STARTUP_TIMEOUT ((uint16_t)0x0500) /*!< Time out for HSE start up */ +#endif + +/** + * @brief In the following line adjust the Internal High Speed oscillator (HSI) Startup + Timeout value + */ +#if !defined (HSI_STARTUP_TIMEOUT) +#define HSI_STARTUP_TIMEOUT ((uint16_t)0x0500) /*!< Time out for HSI start up */ +#endif + +#if !defined (HSI_VALUE) +#define HSI_VALUE ((uint32_t)16000000) /*!< Value of the Internal High Speed oscillator in Hz. + The real value may vary depending on the variations + in voltage and temperature. */ +#endif + +#if !defined (LSI_VALUE) +#define LSI_VALUE ((uint32_t)37000) /*!< Value of the Internal Low Speed oscillator in Hz + The real value may vary depending on the variations + in voltage and temperature. */ +#endif + +#if !defined (LSE_VALUE) +#define LSE_VALUE ((uint32_t)32768) /*!< Value of the External Low Speed oscillator in Hz */ +#endif + +/** + * @brief STM32L1xx Standard Peripheral Library version number V1.2.0 + */ +#define __STM32L1XX_STDPERIPH_VERSION_MAIN (0x01) /*!< [31:24] main version */ +#define __STM32L1XX_STDPERIPH_VERSION_SUB1 (0x02) /*!< [23:16] sub1 version */ +#define __STM32L1XX_STDPERIPH_VERSION_SUB2 (0x00) /*!< [15:8] sub2 version */ +#define __STM32L1XX_STDPERIPH_VERSION_RC (0x00) /*!< [7:0] release candidate */ +#define __STM32L1XX_STDPERIPH_VERSION ( (__STM32L1XX_STDPERIPH_VERSION_MAIN << 24)\ + |(__STM32L1XX_STDPERIPH_VERSION_SUB1 << 16)\ + |(__STM32L1XX_STDPERIPH_VERSION_SUB2 << 8)\ + |(__STM32L1XX_STDPERIPH_VERSION_RC)) + +/** + * @} + */ + +/** @addtogroup Configuration_section_for_CMSIS + * @{ + */ + +/** + * @brief STM32L1xx Interrupt Number Definition, according to the selected device + * in @ref Library_configuration_section + */ +#define __CM3_REV 0x200 /*!< Cortex-M3 Revision r2p0 */ +#define __MPU_PRESENT 1 /*!< STM32L1 provides MPU */ +#define __NVIC_PRIO_BITS 4 /*!< STM32L1 uses 4 Bits for the Priority Levels */ +#define __Vendor_SysTickConfig 0 /*!< Set to 1 if different SysTick Config is used */ + +/*!< Interrupt Number Definition */ +typedef enum IRQn +{ +/****** Cortex-M3 Processor Exceptions Numbers ******************************************************/ + NonMaskableInt_IRQn = -14, /*!< 2 Non Maskable Interrupt */ + MemoryManagement_IRQn = -12, /*!< 4 Cortex-M3 Memory Management Interrupt */ + BusFault_IRQn = -11, /*!< 5 Cortex-M3 Bus Fault Interrupt */ + UsageFault_IRQn = -10, /*!< 6 Cortex-M3 Usage Fault Interrupt */ + SVC_IRQn = -5, /*!< 11 Cortex-M3 SV Call Interrupt */ + DebugMonitor_IRQn = -4, /*!< 12 Cortex-M3 Debug Monitor Interrupt */ + PendSV_IRQn = -2, /*!< 14 Cortex-M3 Pend SV Interrupt */ + SysTick_IRQn = -1, /*!< 15 Cortex-M3 System Tick Interrupt */ + +/****** STM32L specific Interrupt Numbers ***********************************************************/ + WWDG_IRQn = 0, /*!< Window WatchDog Interrupt */ + PVD_IRQn = 1, /*!< PVD through EXTI Line detection Interrupt */ + TAMPER_STAMP_IRQn = 2, /*!< Tamper and Time Stamp through EXTI Line Interrupts */ + RTC_WKUP_IRQn = 3, /*!< RTC Wakeup Timer through EXTI Line Interrupt */ + FLASH_IRQn = 4, /*!< FLASH global Interrupt */ + RCC_IRQn = 5, /*!< RCC global Interrupt */ + EXTI0_IRQn = 6, /*!< EXTI Line0 Interrupt */ + EXTI1_IRQn = 7, /*!< EXTI Line1 Interrupt */ + EXTI2_IRQn = 8, /*!< EXTI Line2 Interrupt */ + EXTI3_IRQn = 9, /*!< EXTI Line3 Interrupt */ + EXTI4_IRQn = 10, /*!< EXTI Line4 Interrupt */ + DMA1_Channel1_IRQn = 11, /*!< DMA1 Channel 1 global Interrupt */ + DMA1_Channel2_IRQn = 12, /*!< DMA1 Channel 2 global Interrupt */ + DMA1_Channel3_IRQn = 13, /*!< DMA1 Channel 3 global Interrupt */ + DMA1_Channel4_IRQn = 14, /*!< DMA1 Channel 4 global Interrupt */ + DMA1_Channel5_IRQn = 15, /*!< DMA1 Channel 5 global Interrupt */ + DMA1_Channel6_IRQn = 16, /*!< DMA1 Channel 6 global Interrupt */ + DMA1_Channel7_IRQn = 17, /*!< DMA1 Channel 7 global Interrupt */ + ADC1_IRQn = 18, /*!< ADC1 global Interrupt */ + USB_HP_IRQn = 19, /*!< USB High Priority Interrupt */ + USB_LP_IRQn = 20, /*!< USB Low Priority Interrupt */ + DAC_IRQn = 21, /*!< DAC Interrupt */ + COMP_IRQn = 22, /*!< Comparator through EXTI Line Interrupt */ + EXTI9_5_IRQn = 23, /*!< External Line[9:5] Interrupts */ + LCD_IRQn = 24, /*!< LCD Interrupt */ + TIM9_IRQn = 25, /*!< TIM9 global Interrupt */ + TIM10_IRQn = 26, /*!< TIM10 global Interrupt */ + TIM11_IRQn = 27, /*!< TIM11 global Interrupt */ + TIM2_IRQn = 28, /*!< TIM2 global Interrupt */ + TIM3_IRQn = 29, /*!< TIM3 global Interrupt */ + TIM4_IRQn = 30, /*!< TIM4 global Interrupt */ + I2C1_EV_IRQn = 31, /*!< I2C1 Event Interrupt */ + I2C1_ER_IRQn = 32, /*!< I2C1 Error Interrupt */ + I2C2_EV_IRQn = 33, /*!< I2C2 Event Interrupt */ + I2C2_ER_IRQn = 34, /*!< I2C2 Error Interrupt */ + SPI1_IRQn = 35, /*!< SPI1 global Interrupt */ + SPI2_IRQn = 36, /*!< SPI2 global Interrupt */ + USART1_IRQn = 37, /*!< USART1 global Interrupt */ + USART2_IRQn = 38, /*!< USART2 global Interrupt */ + USART3_IRQn = 39, /*!< USART3 global Interrupt */ + EXTI15_10_IRQn = 40, /*!< External Line[15:10] Interrupts */ + RTC_Alarm_IRQn = 41, /*!< RTC Alarm through EXTI Line Interrupt */ + USB_FS_WKUP_IRQn = 42, /*!< USB FS WakeUp from suspend through EXTI Line Interrupt */ + TIM6_IRQn = 43, /*!< TIM6 global Interrupt */ +#ifdef STM32L1XX_MD + TIM7_IRQn = 44 /*!< TIM7 global Interrupt */ +#endif /* STM32L1XX_MD */ + +#ifdef STM32L1XX_MDP + TIM7_IRQn = 44, /*!< TIM7 global Interrupt */ + TIM5_IRQn = 46, /*!< TIM5 global Interrupt */ + SPI3_IRQn = 47, /*!< SPI3 global Interrupt */ + DMA2_Channel1_IRQn = 50, /*!< DMA2 Channel 1 global Interrupt */ + DMA2_Channel2_IRQn = 51, /*!< DMA2 Channel 2 global Interrupt */ + DMA2_Channel3_IRQn = 52, /*!< DMA2 Channel 3 global Interrupt */ + DMA2_Channel4_IRQn = 53, /*!< DMA2 Channel 4 global Interrupt */ + DMA2_Channel5_IRQn = 54, /*!< DMA2 Channel 5 global Interrupt */ + AES_IRQn = 55, /*!< AES global Interrupt */ + COMP_ACQ_IRQn = 56 /*!< Comparator Channel Acquisition global Interrupt */ +#endif /* STM32L1XX_MDP */ + +#ifdef STM32L1XX_HD + TIM7_IRQn = 44, /*!< TIM7 global Interrupt */ + SDIO_IRQn = 45, /*!< SDIO global Interrupt */ + TIM5_IRQn = 46, /*!< TIM5 global Interrupt */ + SPI3_IRQn = 47, /*!< SPI3 global Interrupt */ + UART4_IRQn = 48, /*!< UART4 global Interrupt */ + UART5_IRQn = 49, /*!< UART5 global Interrupt */ + DMA2_Channel1_IRQn = 50, /*!< DMA2 Channel 1 global Interrupt */ + DMA2_Channel2_IRQn = 51, /*!< DMA2 Channel 2 global Interrupt */ + DMA2_Channel3_IRQn = 52, /*!< DMA2 Channel 3 global Interrupt */ + DMA2_Channel4_IRQn = 53, /*!< DMA2 Channel 4 global Interrupt */ + DMA2_Channel5_IRQn = 54, /*!< DMA2 Channel 5 global Interrupt */ + AES_IRQn = 55, /*!< AES global Interrupt */ + COMP_ACQ_IRQn = 56 /*!< Comparator Channel Acquisition global Interrupt */ +#endif /* STM32L1XX_HD */ +} IRQn_Type; + +/** + * @} + */ + +#include "core_cm3.h" +#include "system_stm32l1xx.h" +#include + +/** @addtogroup Exported_types + * @{ + */ + +typedef enum {RESET = 0, SET = !RESET} FlagStatus, ITStatus; + +typedef enum {DISABLE = 0, ENABLE = !DISABLE} FunctionalState; +#define IS_FUNCTIONAL_STATE(STATE) (((STATE) == DISABLE) || ((STATE) == ENABLE)) + +typedef enum {ERROR = 0, SUCCESS = !ERROR} ErrorStatus; + +/** + * @brief __RAM_FUNC definition + */ +#if defined ( __CC_ARM ) +/* ARM Compiler + ------------ + RAM functions are defined using the toolchain options. + Functions that are executed in RAM should reside in a separate source module. + Using the 'Options for File' dialog you can simply change the 'Code / Const' + area of a module to a memory space in physical RAM. + Available memory areas are declared in the 'Target' tab of the 'Options for Target' + dialog. +*/ + #define __RAM_FUNC FLASH_Status + +#elif defined ( __ICCARM__ ) +/* ICCARM Compiler + --------------- + RAM functions are defined using a specific toolchain keyword "__ramfunc". +*/ + #define __RAM_FUNC __ramfunc FLASH_Status + +#elif defined ( __GNUC__ ) +/* GNU Compiler + ------------ + RAM functions are defined using a specific toolchain attribute + "__attribute__((section(".data")))". +*/ + #define __RAM_FUNC FLASH_Status __attribute__((section(".data"))) + +#elif defined ( __TASKING__ ) +/* TASKING Compiler + ---------------- + RAM functions are defined using a specific toolchain pragma. This pragma is + defined in the stm32l1xx_flash_ramfunc.c +*/ + #define __RAM_FUNC FLASH_Status + +#endif + +/** + * @} + */ + +/** @addtogroup Peripheral_registers_structures + * @{ + */ + +/** + * @brief Analog to Digital Converter + */ + +typedef struct +{ + __IO uint32_t SR; /*!< ADC status register, Address offset: 0x00 */ + __IO uint32_t CR1; /*!< ADC control register 1, Address offset: 0x04 */ + __IO uint32_t CR2; /*!< ADC control register 2, Address offset: 0x08 */ + __IO uint32_t SMPR1; /*!< ADC sample time register 1, Address offset: 0x0C */ + __IO uint32_t SMPR2; /*!< ADC sample time register 2, Address offset: 0x10 */ + __IO uint32_t SMPR3; /*!< ADC sample time register 3, Address offset: 0x14 */ + __IO uint32_t JOFR1; /*!< ADC injected channel data offset register 1, Address offset: 0x18 */ + __IO uint32_t JOFR2; /*!< ADC injected channel data offset register 2, Address offset: 0x1C */ + __IO uint32_t JOFR3; /*!< ADC injected channel data offset register 3, Address offset: 0x20 */ + __IO uint32_t JOFR4; /*!< ADC injected channel data offset register 4, Address offset: 0x24 */ + __IO uint32_t HTR; /*!< ADC watchdog higher threshold register, Address offset: 0x28 */ + __IO uint32_t LTR; /*!< ADC watchdog lower threshold register, Address offset: 0x2C */ + __IO uint32_t SQR1; /*!< ADC regular sequence register 1, Address offset: 0x30 */ + __IO uint32_t SQR2; /*!< ADC regular sequence register 2, Address offset: 0x34 */ + __IO uint32_t SQR3; /*!< ADC regular sequence register 3, Address offset: 0x38 */ + __IO uint32_t SQR4; /*!< ADC regular sequence register 4, Address offset: 0x3C */ + __IO uint32_t SQR5; /*!< ADC regular sequence register 5, Address offset: 0x40 */ + __IO uint32_t JSQR; /*!< ADC injected sequence register, Address offset: 0x44 */ + __IO uint32_t JDR1; /*!< ADC injected data register 1, Address offset: 0x48 */ + __IO uint32_t JDR2; /*!< ADC injected data register 2, Address offset: 0x4C */ + __IO uint32_t JDR3; /*!< ADC injected data register 3, Address offset: 0x50 */ + __IO uint32_t JDR4; /*!< ADC injected data register 4, Address offset: 0x54 */ + __IO uint32_t DR; /*!< ADC regular data register, Address offset: 0x58 */ + __IO uint32_t SMPR0; /*!< ADC sample time register 0, Address offset: 0x5C */ +} ADC_TypeDef; + +typedef struct +{ + __IO uint32_t CSR; /*!< ADC common status register, Address offset: ADC1 base address + 0x300 */ + __IO uint32_t CCR; /*!< ADC common control register, Address offset: ADC1 base address + 0x304 */ +} ADC_Common_TypeDef; + + +/** + * @brief AES hardware accelerator + */ + +typedef struct +{ + __IO uint32_t CR; /*!< AES control register, Address offset: 0x00 */ + __IO uint32_t SR; /*!< AES status register, Address offset: 0x04 */ + __IO uint32_t DINR; /*!< AES data input register, Address offset: 0x08 */ + __IO uint32_t DOUTR; /*!< AES data output register, Address offset: 0x0C */ + __IO uint32_t KEYR0; /*!< AES key register 0, Address offset: 0x10 */ + __IO uint32_t KEYR1; /*!< AES key register 1, Address offset: 0x14 */ + __IO uint32_t KEYR2; /*!< AES key register 2, Address offset: 0x18 */ + __IO uint32_t KEYR3; /*!< AES key register 3, Address offset: 0x1C */ + __IO uint32_t IVR0; /*!< AES initialization vector register 0, Address offset: 0x20 */ + __IO uint32_t IVR1; /*!< AES initialization vector register 1, Address offset: 0x24 */ + __IO uint32_t IVR2; /*!< AES initialization vector register 2, Address offset: 0x28 */ + __IO uint32_t IVR3; /*!< AES initialization vector register 3, Address offset: 0x2C */ +} AES_TypeDef; + +/** + * @brief Comparator + */ + +typedef struct +{ + __IO uint32_t CSR; /*!< COMP comparator control and status register, Address offset: 0x00 */ +} COMP_TypeDef; + +/** + * @brief CRC calculation unit + */ + +typedef struct +{ + __IO uint32_t DR; /*!< CRC Data register, Address offset: 0x00 */ + __IO uint8_t IDR; /*!< CRC Independent data register, Address offset: 0x04 */ + uint8_t RESERVED0; /*!< Reserved, 0x05 */ + uint16_t RESERVED1; /*!< Reserved, 0x06 */ + __IO uint32_t CR; /*!< CRC Control register, Address offset: 0x08 */ +} CRC_TypeDef; + +/** + * @brief Digital to Analog Converter + */ + +typedef struct +{ + __IO uint32_t CR; /*!< DAC control register, Address offset: 0x00 */ + __IO uint32_t SWTRIGR; /*!< DAC software trigger register, Address offset: 0x04 */ + __IO uint32_t DHR12R1; /*!< DAC channel1 12-bit right-aligned data holding register, Address offset: 0x08 */ + __IO uint32_t DHR12L1; /*!< DAC channel1 12-bit left aligned data holding register, Address offset: 0x0C */ + __IO uint32_t DHR8R1; /*!< DAC channel1 8-bit right aligned data holding register, Address offset: 0x10 */ + __IO uint32_t DHR12R2; /*!< DAC channel2 12-bit right aligned data holding register, Address offset: 0x14 */ + __IO uint32_t DHR12L2; /*!< DAC channel2 12-bit left aligned data holding register, Address offset: 0x18 */ + __IO uint32_t DHR8R2; /*!< DAC channel2 8-bit right-aligned data holding register, Address offset: 0x1C */ + __IO uint32_t DHR12RD; /*!< Dual DAC 12-bit right-aligned data holding register, Address offset: 0x20 */ + __IO uint32_t DHR12LD; /*!< DUAL DAC 12-bit left aligned data holding register, Address offset: 0x24 */ + __IO uint32_t DHR8RD; /*!< DUAL DAC 8-bit right aligned data holding register, Address offset: 0x28 */ + __IO uint32_t DOR1; /*!< DAC channel1 data output register, Address offset: 0x2C */ + __IO uint32_t DOR2; /*!< DAC channel2 data output register, Address offset: 0x30 */ + __IO uint32_t SR; /*!< DAC status register, Address offset: 0x34 */ +} DAC_TypeDef; + +/** + * @brief Debug MCU + */ + +typedef struct +{ + __IO uint32_t IDCODE; /*!< MCU device ID code, Address offset: 0x00 */ + __IO uint32_t CR; /*!< Debug MCU configuration register, Address offset: 0x04 */ + __IO uint32_t APB1FZ; /*!< Debug MCU APB1 freeze register, Address offset: 0x08 */ + __IO uint32_t APB2FZ; /*!< Debug MCU APB2 freeze register, Address offset: 0x0C */ +}DBGMCU_TypeDef; + +/** + * @brief DMA Controller + */ + +typedef struct +{ + __IO uint32_t CCR; /*!< DMA channel x configuration register */ + __IO uint32_t CNDTR; /*!< DMA channel x number of data register */ + __IO uint32_t CPAR; /*!< DMA channel x peripheral address register */ + __IO uint32_t CMAR; /*!< DMA channel x memory address register */ +} DMA_Channel_TypeDef; + +typedef struct +{ + __IO uint32_t ISR; /*!< DMA interrupt status register, Address offset: 0x00 */ + __IO uint32_t IFCR; /*!< DMA interrupt flag clear register, Address offset: 0x04 */ +} DMA_TypeDef; + +/** + * @brief External Interrupt/Event Controller + */ + +typedef struct +{ + __IO uint32_t IMR; /*!< EXTI interrupt mask register, Address offset: 0x00 */ + __IO uint32_t EMR; /*!< EXTI event mask register, Address offset: 0x04 */ + __IO uint32_t RTSR; /*!< EXTI rising edge trigger selection register, Address offset: 0x08 */ + __IO uint32_t FTSR; /*!< EXTI Falling edge trigger selection register, Address offset: 0x0C */ + __IO uint32_t SWIER; /*!< EXTI software interrupt event register, Address offset: 0x10 */ + __IO uint32_t PR; /*!< EXTI pending register, Address offset: 0x14 */ +} EXTI_TypeDef; + +/** + * @brief FLASH Registers + */ + +typedef struct +{ + __IO uint32_t ACR; /*!< Access control register, Address offset: 0x00 */ + __IO uint32_t PECR; /*!< Program/erase control register, Address offset: 0x04 */ + __IO uint32_t PDKEYR; /*!< Power down key register, Address offset: 0x08 */ + __IO uint32_t PEKEYR; /*!< Program/erase key register, Address offset: 0x0c */ + __IO uint32_t PRGKEYR; /*!< Program memory key register, Address offset: 0x10 */ + __IO uint32_t OPTKEYR; /*!< Option byte key register, Address offset: 0x14 */ + __IO uint32_t SR; /*!< Status register, Address offset: 0x18 */ + __IO uint32_t OBR; /*!< Option byte register, Address offset: 0x1c */ + __IO uint32_t WRPR; /*!< Write protection register, Address offset: 0x20 */ + uint32_t RESERVED[23]; /*!< Reserved, 0x24 */ + __IO uint32_t WRPR1; /*!< Write protection register 1, Address offset: 0x28 */ + __IO uint32_t WRPR2; /*!< Write protection register 2, Address offset: 0x2C */ +} FLASH_TypeDef; + +/** + * @brief Option Bytes Registers + */ + +typedef struct +{ + __IO uint32_t RDP; /*!< Read protection register, Address offset: 0x00 */ + __IO uint32_t USER; /*!< user register, Address offset: 0x04 */ + __IO uint32_t WRP01; /*!< write protection register 0 1, Address offset: 0x08 */ + __IO uint32_t WRP23; /*!< write protection register 2 3, Address offset: 0x0C */ + __IO uint32_t WRP45; /*!< write protection register 4 5, Address offset: 0x10 */ + __IO uint32_t WRP67; /*!< write protection register 6 7, Address offset: 0x14 */ + __IO uint32_t WRP89; /*!< write protection register 8 9, Address offset: 0x18 */ + __IO uint32_t WRP1011; /*!< write protection register 10 11, Address offset: 0x1C */ +} OB_TypeDef; + +/** + * @brief Operational Amplifier (OPAMP) + */ + +typedef struct +{ + __IO uint32_t CSR; /*!< OPAMP control/status register, Address offset: 0x00 */ + __IO uint32_t OTR; /*!< OPAMP offset trimming register for normal mode, Address offset: 0x04 */ + __IO uint32_t LPOTR; /*!< OPAMP offset trimming register for low power mode, Address offset: 0x08 */ +} OPAMP_TypeDef; + +/** + * @brief Flexible Static Memory Controller + */ + +typedef struct +{ + __IO uint32_t BTCR[8]; /*!< NOR/PSRAM chip-select control register(BCR) and chip-select timing register(BTR), Address offset: 0x00-1C */ +} FSMC_Bank1_TypeDef; + +/** + * @brief Flexible Static Memory Controller Bank1E + */ + +typedef struct +{ + __IO uint32_t BWTR[7]; /*!< NOR/PSRAM write timing registers, Address offset: 0x104-0x11C */ +} FSMC_Bank1E_TypeDef; + +/** + * @brief General Purpose IO + */ + +typedef struct +{ + __IO uint32_t MODER; /*!< GPIO port mode register, Address offset: 0x00 */ + __IO uint16_t OTYPER; /*!< GPIO port output type register, Address offset: 0x04 */ + uint16_t RESERVED0; /*!< Reserved, 0x06 */ + __IO uint32_t OSPEEDR; /*!< GPIO port output speed register, Address offset: 0x08 */ + __IO uint32_t PUPDR; /*!< GPIO port pull-up/pull-down register, Address offset: 0x0C */ + __IO uint16_t IDR; /*!< GPIO port input data register, Address offset: 0x10 */ + uint16_t RESERVED1; /*!< Reserved, 0x12 */ + __IO uint16_t ODR; /*!< GPIO port output data register, Address offset: 0x14 */ + uint16_t RESERVED2; /*!< Reserved, 0x16 */ + __IO uint16_t BSRRL; /*!< GPIO port bit set/reset low registerBSRR, Address offset: 0x18 */ + __IO uint16_t BSRRH; /*!< GPIO port bit set/reset high registerBSRR, Address offset: 0x1A */ + __IO uint32_t LCKR; /*!< GPIO port configuration lock register, Address offset: 0x1C */ + __IO uint32_t AFR[2]; /*!< GPIO alternate function low register, Address offset: 0x20-0x24 */ + __IO uint16_t BRR; /*!< GPIO bit reset register, Address offset: 0x28 */ + uint16_t RESERVED3; /*!< Reserved, 0x2A */ +} GPIO_TypeDef; + +/** + * @brief SysTem Configuration + */ + +typedef struct +{ + __IO uint32_t MEMRMP; /*!< SYSCFG memory remap register, Address offset: 0x00 */ + __IO uint32_t PMC; /*!< SYSCFG peripheral mode configuration register, Address offset: 0x04 */ + __IO uint32_t EXTICR[4]; /*!< SYSCFG external interrupt configuration registers, Address offset: 0x08-0x14 */ +} SYSCFG_TypeDef; + +/** + * @brief Inter-integrated Circuit Interface + */ + +typedef struct +{ + __IO uint16_t CR1; /*!< I2C Control register 1, Address offset: 0x00 */ + uint16_t RESERVED0; /*!< Reserved, 0x02 */ + __IO uint16_t CR2; /*!< I2C Control register 2, Address offset: 0x04 */ + uint16_t RESERVED1; /*!< Reserved, 0x06 */ + __IO uint16_t OAR1; /*!< I2C Own address register 1, Address offset: 0x08 */ + uint16_t RESERVED2; /*!< Reserved, 0x0A */ + __IO uint16_t OAR2; /*!< I2C Own address register 2, Address offset: 0x0C */ + uint16_t RESERVED3; /*!< Reserved, 0x0E */ + __IO uint16_t DR; /*!< I2C Data register, Address offset: 0x10 */ + uint16_t RESERVED4; /*!< Reserved, 0x12 */ + __IO uint16_t SR1; /*!< I2C Status register 1, Address offset: 0x14 */ + uint16_t RESERVED5; /*!< Reserved, 0x16 */ + __IO uint16_t SR2; /*!< I2C Status register 2, Address offset: 0x18 */ + uint16_t RESERVED6; /*!< Reserved, 0x1A */ + __IO uint16_t CCR; /*!< I2C Clock control register, Address offset: 0x1C */ + uint16_t RESERVED7; /*!< Reserved, 0x1E */ + __IO uint16_t TRISE; /*!< I2C TRISE register, Address offset: 0x20 */ + uint16_t RESERVED8; /*!< Reserved, 0x22 */ +} I2C_TypeDef; + +/** + * @brief Independent WATCHDOG + */ + +typedef struct +{ + __IO uint32_t KR; /*!< Key register, Address offset: 0x00 */ + __IO uint32_t PR; /*!< Prescaler register, Address offset: 0x04 */ + __IO uint32_t RLR; /*!< Reload register, Address offset: 0x08 */ + __IO uint32_t SR; /*!< Status register, Address offset: 0x0C */ +} IWDG_TypeDef; + + +/** + * @brief LCD + */ + +typedef struct +{ + __IO uint32_t CR; /*!< LCD control register, Address offset: 0x00 */ + __IO uint32_t FCR; /*!< LCD frame control register, Address offset: 0x04 */ + __IO uint32_t SR; /*!< LCD status register, Address offset: 0x08 */ + __IO uint32_t CLR; /*!< LCD clear register, Address offset: 0x0C */ + uint32_t RESERVED; /*!< Reserved, Address offset: 0x10 */ + __IO uint32_t RAM[16]; /*!< LCD display memory, Address offset: 0x14-0x50 */ +} LCD_TypeDef; + +/** + * @brief Power Control + */ + +typedef struct +{ + __IO uint32_t CR; /*!< PWR power control register, Address offset: 0x00 */ + __IO uint32_t CSR; /*!< PWR power control/status register, Address offset: 0x04 */ +} PWR_TypeDef; + +/** + * @brief Reset and Clock Control + */ + +typedef struct +{ + __IO uint32_t CR; /*!< RCC clock control register, Address offset: 0x00 */ + __IO uint32_t ICSCR; /*!< RCC Internal clock sources calibration register, Address offset: 0x04 */ + __IO uint32_t CFGR; /*!< RCC Clock configuration register, Address offset: 0x08 */ + __IO uint32_t CIR; /*!< RCC Clock interrupt register, Address offset: 0x0C */ + __IO uint32_t AHBRSTR; /*!< RCC AHB peripheral reset register, Address offset: 0x10 */ + __IO uint32_t APB2RSTR; /*!< RCC APB2 peripheral reset register, Address offset: 0x14 */ + __IO uint32_t APB1RSTR; /*!< RCC APB1 peripheral reset register, Address offset: 0x18 */ + __IO uint32_t AHBENR; /*!< RCC AHB peripheral clock enable register, Address offset: 0x1C */ + __IO uint32_t APB2ENR; /*!< RCC APB2 peripheral clock enable register, Address offset: 0x20 */ + __IO uint32_t APB1ENR; /*!< RCC APB1 peripheral clock enable register, Address offset: 0x24 */ + __IO uint32_t AHBLPENR; /*!< RCC AHB peripheral clock enable in low power mode register, Address offset: 0x28 */ + __IO uint32_t APB2LPENR; /*!< RCC APB2 peripheral clock enable in low power mode register, Address offset: 0x2C */ + __IO uint32_t APB1LPENR; /*!< RCC APB1 peripheral clock enable in low power mode register, Address offset: 0x30 */ + __IO uint32_t CSR; /*!< RCC Control/status register, Address offset: 0x34 */ +} RCC_TypeDef; + +/** + * @brief Routing Interface + */ + +typedef struct +{ + __IO uint32_t ICR; /*!< RI input capture register, Address offset: 0x00 */ + __IO uint32_t ASCR1; /*!< RI analog switches control register, Address offset: 0x04 */ + __IO uint32_t ASCR2; /*!< RI analog switch control register 2, Address offset: 0x08 */ + __IO uint32_t HYSCR1; /*!< RI hysteresis control register, Address offset: 0x0C */ + __IO uint32_t HYSCR2; /*!< RI Hysteresis control register, Address offset: 0x10 */ + __IO uint32_t HYSCR3; /*!< RI Hysteresis control register, Address offset: 0x14 */ + __IO uint32_t HYSCR4; /*!< RI Hysteresis control register, Address offset: 0x18 */ +} RI_TypeDef; + +/** + * @brief Real-Time Clock + */ + +typedef struct +{ + __IO uint32_t TR; /*!< RTC time register, Address offset: 0x00 */ + __IO uint32_t DR; /*!< RTC date register, Address offset: 0x04 */ + __IO uint32_t CR; /*!< RTC control register, Address offset: 0x08 */ + __IO uint32_t ISR; /*!< RTC initialization and status register, Address offset: 0x0C */ + __IO uint32_t PRER; /*!< RTC prescaler register, Address offset: 0x10 */ + __IO uint32_t WUTR; /*!< RTC wakeup timer register, Address offset: 0x14 */ + __IO uint32_t CALIBR; /*!< RTC calibration register, Address offset: 0x18 */ + __IO uint32_t ALRMAR; /*!< RTC alarm A register, Address offset: 0x1C */ + __IO uint32_t ALRMBR; /*!< RTC alarm B register, Address offset: 0x20 */ + __IO uint32_t WPR; /*!< RTC write protection register, Address offset: 0x24 */ + __IO uint32_t SSR; /*!< RTC sub second register, Address offset: 0x28 */ + __IO uint32_t SHIFTR; /*!< RTC shift control register, Address offset: 0x2C */ + __IO uint32_t TSTR; /*!< RTC time stamp time register, Address offset: 0x30 */ + __IO uint32_t TSDR; /*!< RTC time stamp date register, Address offset: 0x34 */ + __IO uint32_t TSSSR; /*!< RTC time-stamp sub second register, Address offset: 0x38 */ + __IO uint32_t CALR; /*!< RRTC calibration register, Address offset: 0x3C */ + __IO uint32_t TAFCR; /*!< RTC tamper and alternate function configuration register, Address offset: 0x40 */ + __IO uint32_t ALRMASSR; /*!< RTC alarm A sub second register, Address offset: 0x44 */ + __IO uint32_t ALRMBSSR; /*!< RTC alarm B sub second register, Address offset: 0x48 */ + uint32_t RESERVED7; /*!< Reserved, 0x4C */ + __IO uint32_t BKP0R; /*!< RTC backup register 0, Address offset: 0x50 */ + __IO uint32_t BKP1R; /*!< RTC backup register 1, Address offset: 0x54 */ + __IO uint32_t BKP2R; /*!< RTC backup register 2, Address offset: 0x58 */ + __IO uint32_t BKP3R; /*!< RTC backup register 3, Address offset: 0x5C */ + __IO uint32_t BKP4R; /*!< RTC backup register 4, Address offset: 0x60 */ + __IO uint32_t BKP5R; /*!< RTC backup register 5, Address offset: 0x64 */ + __IO uint32_t BKP6R; /*!< RTC backup register 6, Address offset: 0x68 */ + __IO uint32_t BKP7R; /*!< RTC backup register 7, Address offset: 0x6C */ + __IO uint32_t BKP8R; /*!< RTC backup register 8, Address offset: 0x70 */ + __IO uint32_t BKP9R; /*!< RTC backup register 9, Address offset: 0x74 */ + __IO uint32_t BKP10R; /*!< RTC backup register 10, Address offset: 0x78 */ + __IO uint32_t BKP11R; /*!< RTC backup register 11, Address offset: 0x7C */ + __IO uint32_t BKP12R; /*!< RTC backup register 12, Address offset: 0x80 */ + __IO uint32_t BKP13R; /*!< RTC backup register 13, Address offset: 0x84 */ + __IO uint32_t BKP14R; /*!< RTC backup register 14, Address offset: 0x88 */ + __IO uint32_t BKP15R; /*!< RTC backup register 15, Address offset: 0x8C */ + __IO uint32_t BKP16R; /*!< RTC backup register 16, Address offset: 0x90 */ + __IO uint32_t BKP17R; /*!< RTC backup register 17, Address offset: 0x94 */ + __IO uint32_t BKP18R; /*!< RTC backup register 18, Address offset: 0x98 */ + __IO uint32_t BKP19R; /*!< RTC backup register 19, Address offset: 0x9C */ + __IO uint32_t BKP20R; /*!< RTC backup register 20, Address offset: 0xA0 */ + __IO uint32_t BKP21R; /*!< RTC backup register 21, Address offset: 0xA4 */ + __IO uint32_t BKP22R; /*!< RTC backup register 22, Address offset: 0xA8 */ + __IO uint32_t BKP23R; /*!< RTC backup register 23, Address offset: 0xAC */ + __IO uint32_t BKP24R; /*!< RTC backup register 24, Address offset: 0xB0 */ + __IO uint32_t BKP25R; /*!< RTC backup register 25, Address offset: 0xB4 */ + __IO uint32_t BKP26R; /*!< RTC backup register 26, Address offset: 0xB8 */ + __IO uint32_t BKP27R; /*!< RTC backup register 27, Address offset: 0xBC */ + __IO uint32_t BKP28R; /*!< RTC backup register 28, Address offset: 0xC0 */ + __IO uint32_t BKP29R; /*!< RTC backup register 29, Address offset: 0xC4 */ + __IO uint32_t BKP30R; /*!< RTC backup register 30, Address offset: 0xC8 */ + __IO uint32_t BKP31R; /*!< RTC backup register 31, Address offset: 0xCC */ +} RTC_TypeDef; + +/** + * @brief SD host Interface + */ + +typedef struct +{ + __IO uint32_t POWER; /*!< SDIO power control register, Address offset: 0x00 */ + __IO uint32_t CLKCR; /*!< SDI clock control register, Address offset: 0x04 */ + __IO uint32_t ARG; /*!< SDIO argument register, Address offset: 0x08 */ + __IO uint32_t CMD; /*!< SDIO command register, Address offset: 0x0C */ + __I uint32_t RESPCMD; /*!< SDIO command response register, Address offset: 0x10 */ + __I uint32_t RESP1; /*!< SDIO response 1 register, Address offset: 0x14 */ + __I uint32_t RESP2; /*!< SDIO response 2 register, Address offset: 0x18 */ + __I uint32_t RESP3; /*!< SDIO response 3 register, Address offset: 0x1C */ + __I uint32_t RESP4; /*!< SDIO response 4 register, Address offset: 0x20 */ + __IO uint32_t DTIMER; /*!< SDIO data timer register, Address offset: 0x24 */ + __IO uint32_t DLEN; /*!< SDIO data length register, Address offset: 0x28 */ + __IO uint32_t DCTRL; /*!< SDIO data control register, Address offset: 0x2C */ + __I uint32_t DCOUNT; /*!< SDIO data counter register, Address offset: 0x30 */ + __I uint32_t STA; /*!< SDIO status register, Address offset: 0x34 */ + __IO uint32_t ICR; /*!< SDIO interrupt clear register, Address offset: 0x38 */ + __IO uint32_t MASK; /*!< SDIO mask register, Address offset: 0x3C */ + uint32_t RESERVED0[2]; /*!< Reserved, 0x40-0x44 */ + __I uint32_t FIFOCNT; /*!< SDIO FIFO counter register, Address offset: 0x48 */ + uint32_t RESERVED1[13]; /*!< Reserved, 0x4C-0x7C */ + __IO uint32_t FIFO; /*!< SDIO data FIFO register, Address offset: 0x80 */ +} SDIO_TypeDef; + +/** + * @brief Serial Peripheral Interface + */ + +typedef struct +{ + __IO uint16_t CR1; /*!< SPI control register 1 (not used in I2S mode), Address offset: 0x00 */ + uint16_t RESERVED0; /*!< Reserved, 0x02 */ + __IO uint16_t CR2; /*!< SPI control register 2, Address offset: 0x04 */ + uint16_t RESERVED1; /*!< Reserved, 0x06 */ + __IO uint16_t SR; /*!< SPI status register, Address offset: 0x08 */ + uint16_t RESERVED2; /*!< Reserved, 0x0A */ + __IO uint16_t DR; /*!< SPI data register, Address offset: 0x0C */ + uint16_t RESERVED3; /*!< Reserved, 0x0E */ + __IO uint16_t CRCPR; /*!< SPI CRC polynomial register (not used in I2S mode), Address offset: 0x10 */ + uint16_t RESERVED4; /*!< Reserved, 0x12 */ + __IO uint16_t RXCRCR; /*!< SPI RX CRC register (not used in I2S mode), Address offset: 0x14 */ + uint16_t RESERVED5; /*!< Reserved, 0x16 */ + __IO uint16_t TXCRCR; /*!< SPI TX CRC register (not used in I2S mode), Address offset: 0x18 */ + uint16_t RESERVED6; /*!< Reserved, 0x1A */ + __IO uint16_t I2SCFGR; /*!< SPI_I2S configuration register, Address offset: 0x1C */ + uint16_t RESERVED7; /*!< Reserved, 0x1E */ + __IO uint16_t I2SPR; /*!< SPI_I2S prescaler register, Address offset: 0x20 */ + uint16_t RESERVED8; /*!< Reserved, 0x22 */ +} SPI_TypeDef; + +/** + * @brief TIM + */ + +typedef struct +{ + __IO uint16_t CR1; /*!< TIM control register 1, Address offset: 0x00 */ + uint16_t RESERVED0; /*!< Reserved, 0x02 */ + __IO uint16_t CR2; /*!< TIM control register 2, Address offset: 0x04 */ + uint16_t RESERVED1; /*!< Reserved, 0x06 */ + __IO uint16_t SMCR; /*!< TIM slave mode control register, Address offset: 0x08 */ + uint16_t RESERVED2; /*!< Reserved, 0x0A */ + __IO uint16_t DIER; /*!< TIM DMA/interrupt enable register, Address offset: 0x0C */ + uint16_t RESERVED3; /*!< Reserved, 0x0E */ + __IO uint16_t SR; /*!< TIM status register, Address offset: 0x10 */ + uint16_t RESERVED4; /*!< Reserved, 0x12 */ + __IO uint16_t EGR; /*!< TIM event generation register, Address offset: 0x14 */ + uint16_t RESERVED5; /*!< Reserved, 0x16 */ + __IO uint16_t CCMR1; /*!< TIM capture/compare mode register 1, Address offset: 0x18 */ + uint16_t RESERVED6; /*!< Reserved, 0x1A */ + __IO uint16_t CCMR2; /*!< TIM capture/compare mode register 2, Address offset: 0x1C */ + uint16_t RESERVED7; /*!< Reserved, 0x1E */ + __IO uint16_t CCER; /*!< TIM capture/compare enable register, Address offset: 0x20 */ + uint16_t RESERVED8; /*!< Reserved, 0x22 */ + __IO uint32_t CNT; /*!< TIM counter register, Address offset: 0x24 */ + __IO uint16_t PSC; /*!< TIM prescaler, Address offset: 0x28 */ + uint16_t RESERVED10; /*!< Reserved, 0x2A */ + __IO uint32_t ARR; /*!< TIM auto-reload register, Address offset: 0x2C */ + uint32_t RESERVED12; /*!< Reserved, 0x30 */ + __IO uint32_t CCR1; /*!< TIM capture/compare register 1, Address offset: 0x34 */ + __IO uint32_t CCR2; /*!< TIM capture/compare register 2, Address offset: 0x38 */ + __IO uint32_t CCR3; /*!< TIM capture/compare register 3, Address offset: 0x3C */ + __IO uint32_t CCR4; /*!< TIM capture/compare register 4, Address offset: 0x40 */ + uint32_t RESERVED17; /*!< Reserved, 0x44 */ + __IO uint16_t DCR; /*!< TIM DMA control register, Address offset: 0x48 */ + uint16_t RESERVED18; /*!< Reserved, 0x4A */ + __IO uint16_t DMAR; /*!< TIM DMA address for full transfer, Address offset: 0x4C */ + uint16_t RESERVED19; /*!< Reserved, 0x4E */ + __IO uint16_t OR; /*!< TIM option register, Address offset: 0x50 */ + uint16_t RESERVED20; /*!< Reserved, 0x52 */ +} TIM_TypeDef; + +/** + * @brief Universal Synchronous Asynchronous Receiver Transmitter + */ + +typedef struct +{ + __IO uint16_t SR; /*!< USART Status register, Address offset: 0x00 */ + uint16_t RESERVED0; /*!< Reserved, 0x02 */ + __IO uint16_t DR; /*!< USART Data register, Address offset: 0x04 */ + uint16_t RESERVED1; /*!< Reserved, 0x06 */ + __IO uint16_t BRR; /*!< USART Baud rate register, Address offset: 0x08 */ + uint16_t RESERVED2; /*!< Reserved, 0x0A */ + __IO uint16_t CR1; /*!< USART Control register 1, Address offset: 0x0C */ + uint16_t RESERVED3; /*!< Reserved, 0x0E */ + __IO uint16_t CR2; /*!< USART Control register 2, Address offset: 0x10 */ + uint16_t RESERVED4; /*!< Reserved, 0x12 */ + __IO uint16_t CR3; /*!< USART Control register 3, Address offset: 0x14 */ + uint16_t RESERVED5; /*!< Reserved, 0x16 */ + __IO uint16_t GTPR; /*!< USART Guard time and prescaler register, Address offset: 0x18 */ + uint16_t RESERVED6; /*!< Reserved, 0x1A */ +} USART_TypeDef; + +/** + * @brief Window WATCHDOG + */ + +typedef struct +{ + __IO uint32_t CR; /*!< WWDG Control register, Address offset: 0x00 */ + __IO uint32_t CFR; /*!< WWDG Configuration register, Address offset: 0x04 */ + __IO uint32_t SR; /*!< WWDG Status register, Address offset: 0x08 */ +} WWDG_TypeDef; + +/** + * @} + */ + +/** @addtogroup Peripheral_memory_map + * @{ + */ + +#define FLASH_BASE ((uint32_t)0x08000000) /*!< FLASH base address in the alias region */ +#define SRAM_BASE ((uint32_t)0x20000000) /*!< SRAM base address in the alias region */ +#define PERIPH_BASE ((uint32_t)0x40000000) /*!< Peripheral base address in the alias region */ + +#define SRAM_BB_BASE ((uint32_t)0x22000000) /*!< SRAM base address in the bit-band region */ +#define PERIPH_BB_BASE ((uint32_t)0x42000000) /*!< Peripheral base address in the bit-band region */ + +#define FSMC_R_BASE ((uint32_t)0xA0000000) /*!< FSMC registers base address */ + +/*!< Peripheral memory map */ +#define APB1PERIPH_BASE PERIPH_BASE +#define APB2PERIPH_BASE (PERIPH_BASE + 0x10000) +#define AHBPERIPH_BASE (PERIPH_BASE + 0x20000) + +#define TIM2_BASE (APB1PERIPH_BASE + 0x0000) +#define TIM3_BASE (APB1PERIPH_BASE + 0x0400) +#define TIM4_BASE (APB1PERIPH_BASE + 0x0800) +#define TIM5_BASE (APB1PERIPH_BASE + 0x0C00) +#define TIM6_BASE (APB1PERIPH_BASE + 0x1000) +#define TIM7_BASE (APB1PERIPH_BASE + 0x1400) +#define LCD_BASE (APB1PERIPH_BASE + 0x2400) +#define RTC_BASE (APB1PERIPH_BASE + 0x2800) +#define WWDG_BASE (APB1PERIPH_BASE + 0x2C00) +#define IWDG_BASE (APB1PERIPH_BASE + 0x3000) +#define SPI2_BASE (APB1PERIPH_BASE + 0x3800) +#define SPI3_BASE (APB1PERIPH_BASE + 0x3C00) +#define USART2_BASE (APB1PERIPH_BASE + 0x4400) +#define USART3_BASE (APB1PERIPH_BASE + 0x4800) +#define UART4_BASE (APB1PERIPH_BASE + 0x4C00) +#define UART5_BASE (APB1PERIPH_BASE + 0x5000) +#define I2C1_BASE (APB1PERIPH_BASE + 0x5400) +#define I2C2_BASE (APB1PERIPH_BASE + 0x5800) +#define PWR_BASE (APB1PERIPH_BASE + 0x7000) +#define DAC_BASE (APB1PERIPH_BASE + 0x7400) +#define COMP_BASE (APB1PERIPH_BASE + 0x7C00) +#define RI_BASE (APB1PERIPH_BASE + 0x7C04) +#define OPAMP_BASE (APB1PERIPH_BASE + 0x7C5C) + +#define SYSCFG_BASE (APB2PERIPH_BASE + 0x0000) +#define EXTI_BASE (APB2PERIPH_BASE + 0x0400) +#define TIM9_BASE (APB2PERIPH_BASE + 0x0800) +#define TIM10_BASE (APB2PERIPH_BASE + 0x0C00) +#define TIM11_BASE (APB2PERIPH_BASE + 0x1000) +#define ADC1_BASE (APB2PERIPH_BASE + 0x2400) +#define ADC_BASE (APB2PERIPH_BASE + 0x2700) +#define SDIO_BASE (APB2PERIPH_BASE + 0x2C00) +#define SPI1_BASE (APB2PERIPH_BASE + 0x3000) +#define USART1_BASE (APB2PERIPH_BASE + 0x3800) + +#define GPIOA_BASE (AHBPERIPH_BASE + 0x0000) +#define GPIOB_BASE (AHBPERIPH_BASE + 0x0400) +#define GPIOC_BASE (AHBPERIPH_BASE + 0x0800) +#define GPIOD_BASE (AHBPERIPH_BASE + 0x0C00) +#define GPIOE_BASE (AHBPERIPH_BASE + 0x1000) +#define GPIOH_BASE (AHBPERIPH_BASE + 0x1400) +#define GPIOF_BASE (AHBPERIPH_BASE + 0x1800) +#define GPIOG_BASE (AHBPERIPH_BASE + 0x1C00) +#define CRC_BASE (AHBPERIPH_BASE + 0x3000) +#define RCC_BASE (AHBPERIPH_BASE + 0x3800) + + +#define FLASH_R_BASE (AHBPERIPH_BASE + 0x3C00) /*!< FLASH registers base address */ +#define OB_BASE ((uint32_t)0x1FF80000) /*!< FLASH Option Bytes base address */ + +#define DMA1_BASE (AHBPERIPH_BASE + 0x6000) +#define DMA1_Channel1_BASE (DMA1_BASE + 0x0008) +#define DMA1_Channel2_BASE (DMA1_BASE + 0x001C) +#define DMA1_Channel3_BASE (DMA1_BASE + 0x0030) +#define DMA1_Channel4_BASE (DMA1_BASE + 0x0044) +#define DMA1_Channel5_BASE (DMA1_BASE + 0x0058) +#define DMA1_Channel6_BASE (DMA1_BASE + 0x006C) +#define DMA1_Channel7_BASE (DMA1_BASE + 0x0080) + +#define DMA2_BASE (AHBPERIPH_BASE + 0x6400) +#define DMA2_Channel1_BASE (DMA2_BASE + 0x0008) +#define DMA2_Channel2_BASE (DMA2_BASE + 0x001C) +#define DMA2_Channel3_BASE (DMA2_BASE + 0x0030) +#define DMA2_Channel4_BASE (DMA2_BASE + 0x0044) +#define DMA2_Channel5_BASE (DMA2_BASE + 0x0058) + +#define AES_BASE ((uint32_t)0x50060000) + +#define FSMC_Bank1_R_BASE (FSMC_R_BASE + 0x0000) /*!< FSMC Bank1 registers base address */ +#define FSMC_Bank1E_R_BASE (FSMC_R_BASE + 0x0104) /*!< FSMC Bank1E registers base address */ + +#define DBGMCU_BASE ((uint32_t)0xE0042000) /*!< Debug MCU registers base address */ + +/** + * @} + */ + +/** @addtogroup Peripheral_declaration + * @{ + */ + +#define TIM2 ((TIM_TypeDef *) TIM2_BASE) +#define TIM3 ((TIM_TypeDef *) TIM3_BASE) +#define TIM4 ((TIM_TypeDef *) TIM4_BASE) +#define TIM5 ((TIM_TypeDef *) TIM5_BASE) +#define TIM6 ((TIM_TypeDef *) TIM6_BASE) +#define TIM7 ((TIM_TypeDef *) TIM7_BASE) +#define LCD ((LCD_TypeDef *) LCD_BASE) +#define RTC ((RTC_TypeDef *) RTC_BASE) +#define WWDG ((WWDG_TypeDef *) WWDG_BASE) +#define IWDG ((IWDG_TypeDef *) IWDG_BASE) +#define SPI2 ((SPI_TypeDef *) SPI2_BASE) +#define SPI3 ((SPI_TypeDef *) SPI3_BASE) +#define USART2 ((USART_TypeDef *) USART2_BASE) +#define USART3 ((USART_TypeDef *) USART3_BASE) +#define UART4 ((USART_TypeDef *) UART4_BASE) +#define UART5 ((USART_TypeDef *) UART5_BASE) +#define I2C1 ((I2C_TypeDef *) I2C1_BASE) +#define I2C2 ((I2C_TypeDef *) I2C2_BASE) +#define PWR ((PWR_TypeDef *) PWR_BASE) +#define DAC ((DAC_TypeDef *) DAC_BASE) +#define COMP ((COMP_TypeDef *) COMP_BASE) +#define RI ((RI_TypeDef *) RI_BASE) +#define OPAMP ((OPAMP_TypeDef *) OPAMP_BASE) +#define SYSCFG ((SYSCFG_TypeDef *) SYSCFG_BASE) +#define EXTI ((EXTI_TypeDef *) EXTI_BASE) + +#define ADC1 ((ADC_TypeDef *) ADC1_BASE) +#define ADC ((ADC_Common_TypeDef *) ADC_BASE) +#define SDIO ((SDIO_TypeDef *) SDIO_BASE) +#define TIM9 ((TIM_TypeDef *) TIM9_BASE) +#define TIM10 ((TIM_TypeDef *) TIM10_BASE) +#define TIM11 ((TIM_TypeDef *) TIM11_BASE) +#define SPI1 ((SPI_TypeDef *) SPI1_BASE) +#define USART1 ((USART_TypeDef *) USART1_BASE) +#define DMA1 ((DMA_TypeDef *) DMA1_BASE) +#define DMA1_Channel1 ((DMA_Channel_TypeDef *) DMA1_Channel1_BASE) +#define DMA1_Channel2 ((DMA_Channel_TypeDef *) DMA1_Channel2_BASE) +#define DMA1_Channel3 ((DMA_Channel_TypeDef *) DMA1_Channel3_BASE) +#define DMA1_Channel4 ((DMA_Channel_TypeDef *) DMA1_Channel4_BASE) +#define DMA1_Channel5 ((DMA_Channel_TypeDef *) DMA1_Channel5_BASE) +#define DMA1_Channel6 ((DMA_Channel_TypeDef *) DMA1_Channel6_BASE) +#define DMA1_Channel7 ((DMA_Channel_TypeDef *) DMA1_Channel7_BASE) + +#define DMA2 ((DMA_TypeDef *) DMA2_BASE) +#define DMA2_Channel1 ((DMA_Channel_TypeDef *) DMA2_Channel1_BASE) +#define DMA2_Channel2 ((DMA_Channel_TypeDef *) DMA2_Channel2_BASE) +#define DMA2_Channel3 ((DMA_Channel_TypeDef *) DMA2_Channel3_BASE) +#define DMA2_Channel4 ((DMA_Channel_TypeDef *) DMA2_Channel4_BASE) +#define DMA2_Channel5 ((DMA_Channel_TypeDef *) DMA2_Channel5_BASE) + +#define RCC ((RCC_TypeDef *) RCC_BASE) +#define CRC ((CRC_TypeDef *) CRC_BASE) + +#define GPIOA ((GPIO_TypeDef *) GPIOA_BASE) +#define GPIOB ((GPIO_TypeDef *) GPIOB_BASE) +#define GPIOC ((GPIO_TypeDef *) GPIOC_BASE) +#define GPIOD ((GPIO_TypeDef *) GPIOD_BASE) +#define GPIOE ((GPIO_TypeDef *) GPIOE_BASE) +#define GPIOH ((GPIO_TypeDef *) GPIOH_BASE) +#define GPIOF ((GPIO_TypeDef *) GPIOF_BASE) +#define GPIOG ((GPIO_TypeDef *) GPIOG_BASE) + +#define FLASH ((FLASH_TypeDef *) FLASH_R_BASE) +#define OB ((OB_TypeDef *) OB_BASE) + +#define AES ((AES_TypeDef *) AES_BASE) + +#define FSMC_Bank1 ((FSMC_Bank1_TypeDef *) FSMC_Bank1_R_BASE) +#define FSMC_Bank1E ((FSMC_Bank1E_TypeDef *) FSMC_Bank1E_R_BASE) + +#define DBGMCU ((DBGMCU_TypeDef *) DBGMCU_BASE) + +/** + * @} + */ + +/** @addtogroup Exported_constants + * @{ + */ + +/** @addtogroup Peripheral_Registers_Bits_Definition + * @{ + */ + +/******************************************************************************/ +/* Peripheral Registers Bits Definition */ +/******************************************************************************/ +/******************************************************************************/ +/* */ +/* Analog to Digital Converter (ADC) */ +/* */ +/******************************************************************************/ + +/******************** Bit definition for ADC_SR register ********************/ +#define ADC_SR_AWD ((uint32_t)0x00000001) /*!< Analog watchdog flag */ +#define ADC_SR_EOC ((uint32_t)0x00000002) /*!< End of conversion */ +#define ADC_SR_JEOC ((uint32_t)0x00000004) /*!< Injected channel end of conversion */ +#define ADC_SR_JSTRT ((uint32_t)0x00000008) /*!< Injected channel Start flag */ +#define ADC_SR_STRT ((uint32_t)0x00000010) /*!< Regular channel Start flag */ +#define ADC_SR_OVR ((uint32_t)0x00000020) /*!< Overrun flag */ +#define ADC_SR_ADONS ((uint32_t)0x00000040) /*!< ADC ON status */ +#define ADC_SR_RCNR ((uint32_t)0x00000100) /*!< Regular channel not ready flag */ +#define ADC_SR_JCNR ((uint32_t)0x00000200) /*!< Injected channel not ready flag */ + +/******************* Bit definition for ADC_CR1 register ********************/ +#define ADC_CR1_AWDCH ((uint32_t)0x0000001F) /*!< AWDCH[4:0] bits (Analog watchdog channel select bits) */ +#define ADC_CR1_AWDCH_0 ((uint32_t)0x00000001) /*!< Bit 0 */ +#define ADC_CR1_AWDCH_1 ((uint32_t)0x00000002) /*!< Bit 1 */ +#define ADC_CR1_AWDCH_2 ((uint32_t)0x00000004) /*!< Bit 2 */ +#define ADC_CR1_AWDCH_3 ((uint32_t)0x00000008) /*!< Bit 3 */ +#define ADC_CR1_AWDCH_4 ((uint32_t)0x00000010) /*!< Bit 4 */ + +#define ADC_CR1_EOCIE ((uint32_t)0x00000020) /*!< Interrupt enable for EOC */ +#define ADC_CR1_AWDIE ((uint32_t)0x00000040) /*!< Analog Watchdog interrupt enable */ +#define ADC_CR1_JEOCIE ((uint32_t)0x00000080) /*!< Interrupt enable for injected channels */ +#define ADC_CR1_SCAN ((uint32_t)0x00000100) /*!< Scan mode */ +#define ADC_CR1_AWDSGL ((uint32_t)0x00000200) /*!< Enable the watchdog on a single channel in scan mode */ +#define ADC_CR1_JAUTO ((uint32_t)0x00000400) /*!< Automatic injected group conversion */ +#define ADC_CR1_DISCEN ((uint32_t)0x00000800) /*!< Discontinuous mode on regular channels */ +#define ADC_CR1_JDISCEN ((uint32_t)0x00001000) /*!< Discontinuous mode on injected channels */ + +#define ADC_CR1_DISCNUM ((uint32_t)0x0000E000) /*!< DISCNUM[2:0] bits (Discontinuous mode channel count) */ +#define ADC_CR1_DISCNUM_0 ((uint32_t)0x00002000) /*!< Bit 0 */ +#define ADC_CR1_DISCNUM_1 ((uint32_t)0x00004000) /*!< Bit 1 */ +#define ADC_CR1_DISCNUM_2 ((uint32_t)0x00008000) /*!< Bit 2 */ + +#define ADC_CR1_PDD ((uint32_t)0x00010000) /*!< Power Down during Delay phase */ +#define ADC_CR1_PDI ((uint32_t)0x00020000) /*!< Power Down during Idle phase */ + +#define ADC_CR1_JAWDEN ((uint32_t)0x00400000) /*!< Analog watchdog enable on injected channels */ +#define ADC_CR1_AWDEN ((uint32_t)0x00800000) /*!< Analog watchdog enable on regular channels */ + +#define ADC_CR1_RES ((uint32_t)0x03000000) /*!< RES[1:0] bits (Resolution) */ +#define ADC_CR1_RES_0 ((uint32_t)0x01000000) /*!< Bit 0 */ +#define ADC_CR1_RES_1 ((uint32_t)0x02000000) /*!< Bit 1 */ + +#define ADC_CR1_OVRIE ((uint32_t)0x04000000) /*!< Overrun interrupt enable */ + +/******************* Bit definition for ADC_CR2 register ********************/ +#define ADC_CR2_ADON ((uint32_t)0x00000001) /*!< A/D Converter ON / OFF */ +#define ADC_CR2_CONT ((uint32_t)0x00000002) /*!< Continuous Conversion */ +#define ADC_CR2_CFG ((uint32_t)0x00000004) /*!< ADC Configuration */ + +#define ADC_CR2_DELS ((uint32_t)0x00000070) /*!< DELS[2:0] bits (Delay selection) */ +#define ADC_CR2_DELS_0 ((uint32_t)0x00000010) /*!< Bit 0 */ +#define ADC_CR2_DELS_1 ((uint32_t)0x00000020) /*!< Bit 1 */ +#define ADC_CR2_DELS_2 ((uint32_t)0x00000040) /*!< Bit 2 */ + +#define ADC_CR2_DMA ((uint32_t)0x00000100) /*!< Direct Memory access mode */ +#define ADC_CR2_DDS ((uint32_t)0x00000200) /*!< DMA disable selection (Single ADC) */ +#define ADC_CR2_EOCS ((uint32_t)0x00000400) /*!< End of conversion selection */ +#define ADC_CR2_ALIGN ((uint32_t)0x00000800) /*!< Data Alignment */ + +#define ADC_CR2_JEXTSEL ((uint32_t)0x000F0000) /*!< JEXTSEL[3:0] bits (External event select for injected group) */ +#define ADC_CR2_JEXTSEL_0 ((uint32_t)0x00010000) /*!< Bit 0 */ +#define ADC_CR2_JEXTSEL_1 ((uint32_t)0x00020000) /*!< Bit 1 */ +#define ADC_CR2_JEXTSEL_2 ((uint32_t)0x00040000) /*!< Bit 2 */ +#define ADC_CR2_JEXTSEL_3 ((uint32_t)0x00080000) /*!< Bit 3 */ + +#define ADC_CR2_JEXTEN ((uint32_t)0x00300000) /*!< JEXTEN[1:0] bits (External Trigger Conversion mode for injected channels) */ +#define ADC_CR2_JEXTEN_0 ((uint32_t)0x00100000) /*!< Bit 0 */ +#define ADC_CR2_JEXTEN_1 ((uint32_t)0x00200000) /*!< Bit 1 */ + +#define ADC_CR2_JSWSTART ((uint32_t)0x00400000) /*!< Start Conversion of injected channels */ + +#define ADC_CR2_EXTSEL ((uint32_t)0x0F000000) /*!< EXTSEL[3:0] bits (External Event Select for regular group) */ +#define ADC_CR2_EXTSEL_0 ((uint32_t)0x01000000) /*!< Bit 0 */ +#define ADC_CR2_EXTSEL_1 ((uint32_t)0x02000000) /*!< Bit 1 */ +#define ADC_CR2_EXTSEL_2 ((uint32_t)0x04000000) /*!< Bit 2 */ +#define ADC_CR2_EXTSEL_3 ((uint32_t)0x08000000) /*!< Bit 3 */ + +#define ADC_CR2_EXTEN ((uint32_t)0x30000000) /*!< EXTEN[1:0] bits (External Trigger Conversion mode for regular channels) */ +#define ADC_CR2_EXTEN_0 ((uint32_t)0x10000000) /*!< Bit 0 */ +#define ADC_CR2_EXTEN_1 ((uint32_t)0x20000000) /*!< Bit 1 */ + +#define ADC_CR2_SWSTART ((uint32_t)0x40000000) /*!< Start Conversion of regular channels */ + +/****************** Bit definition for ADC_SMPR1 register *******************/ +#define ADC_SMPR1_SMP20 ((uint32_t)0x00000007) /*!< SMP20[2:0] bits (Channel 20 Sample time selection) */ +#define ADC_SMPR1_SMP20_0 ((uint32_t)0x00000001) /*!< Bit 0 */ +#define ADC_SMPR1_SMP20_1 ((uint32_t)0x00000002) /*!< Bit 1 */ +#define ADC_SMPR1_SMP20_2 ((uint32_t)0x00000004) /*!< Bit 2 */ + +#define ADC_SMPR1_SMP21 ((uint32_t)0x00000038) /*!< SMP21[2:0] bits (Channel 21 Sample time selection) */ +#define ADC_SMPR1_SMP21_0 ((uint32_t)0x00000008) /*!< Bit 0 */ +#define ADC_SMPR1_SMP21_1 ((uint32_t)0x00000010) /*!< Bit 1 */ +#define ADC_SMPR1_SMP21_2 ((uint32_t)0x00000020) /*!< Bit 2 */ + +#define ADC_SMPR1_SMP22 ((uint32_t)0x000001C0) /*!< SMP22[2:0] bits (Channel 22 Sample time selection) */ +#define ADC_SMPR1_SMP22_0 ((uint32_t)0x00000040) /*!< Bit 0 */ +#define ADC_SMPR1_SMP22_1 ((uint32_t)0x00000080) /*!< Bit 1 */ +#define ADC_SMPR1_SMP22_2 ((uint32_t)0x00000100) /*!< Bit 2 */ + +#define ADC_SMPR1_SMP23 ((uint32_t)0x00000E00) /*!< SMP23[2:0] bits (Channel 23 Sample time selection) */ +#define ADC_SMPR1_SMP23_0 ((uint32_t)0x00000200) /*!< Bit 0 */ +#define ADC_SMPR1_SMP23_1 ((uint32_t)0x00000400) /*!< Bit 1 */ +#define ADC_SMPR1_SMP23_2 ((uint32_t)0x00000800) /*!< Bit 2 */ + +#define ADC_SMPR1_SMP24 ((uint32_t)0x00007000) /*!< SMP24[2:0] bits (Channel 24 Sample time selection) */ +#define ADC_SMPR1_SMP24_0 ((uint32_t)0x00001000) /*!< Bit 0 */ +#define ADC_SMPR1_SMP24_1 ((uint32_t)0x00002000) /*!< Bit 1 */ +#define ADC_SMPR1_SMP24_2 ((uint32_t)0x00004000) /*!< Bit 2 */ + +#define ADC_SMPR1_SMP25 ((uint32_t)0x00038000) /*!< SMP25[2:0] bits (Channel 25 Sample time selection) */ +#define ADC_SMPR1_SMP25_0 ((uint32_t)0x00008000) /*!< Bit 0 */ +#define ADC_SMPR1_SMP25_1 ((uint32_t)0x00010000) /*!< Bit 1 */ +#define ADC_SMPR1_SMP25_2 ((uint32_t)0x00020000) /*!< Bit 2 */ + +#define ADC_SMPR1_SMP26 ((uint32_t)0x001C0000) /*!< SMP26[2:0] bits (Channel 26 Sample time selection) */ +#define ADC_SMPR1_SMP26_0 ((uint32_t)0x00040000) /*!< Bit 0 */ +#define ADC_SMPR1_SMP26_1 ((uint32_t)0x00080000) /*!< Bit 1 */ +#define ADC_SMPR1_SMP26_2 ((uint32_t)0x00100000) /*!< Bit 2 */ + +#define ADC_SMPR1_SMP27 ((uint32_t)0x00E00000) /*!< SMP27[2:0] bits (Channel 27 Sample time selection) */ +#define ADC_SMPR1_SMP27_0 ((uint32_t)0x00200000) /*!< Bit 0 */ +#define ADC_SMPR1_SMP27_1 ((uint32_t)0x00400000) /*!< Bit 1 */ +#define ADC_SMPR1_SMP27_2 ((uint32_t)0x00800000) /*!< Bit 2 */ + +#define ADC_SMPR1_SMP28 ((uint32_t)0x07000000) /*!< SMP28[2:0] bits (Channel 28 Sample time selection) */ +#define ADC_SMPR1_SMP28_0 ((uint32_t)0x01000000) /*!< Bit 0 */ +#define ADC_SMPR1_SMP28_1 ((uint32_t)0x02000000) /*!< Bit 1 */ +#define ADC_SMPR1_SMP28_2 ((uint32_t)0x04000000) /*!< Bit 2 */ + +#define ADC_SMPR1_SMP29 ((uint32_t)0x38000000) /*!< SMP29[2:0] bits (Channel 29 Sample time selection) */ +#define ADC_SMPR1_SMP29_0 ((uint32_t)0x08000000) /*!< Bit 0 */ +#define ADC_SMPR1_SMP29_1 ((uint32_t)0x10000000) /*!< Bit 1 */ +#define ADC_SMPR1_SMP29_2 ((uint32_t)0x20000000) /*!< Bit 2 */ + +/****************** Bit definition for ADC_SMPR2 register *******************/ +#define ADC_SMPR2_SMP10 ((uint32_t)0x00000007) /*!< SMP10[2:0] bits (Channel 10 Sample time selection) */ +#define ADC_SMPR2_SMP10_0 ((uint32_t)0x00000001) /*!< Bit 0 */ +#define ADC_SMPR2_SMP10_1 ((uint32_t)0x00000002) /*!< Bit 1 */ +#define ADC_SMPR2_SMP10_2 ((uint32_t)0x00000004) /*!< Bit 2 */ + +#define ADC_SMPR2_SMP11 ((uint32_t)0x00000038) /*!< SMP11[2:0] bits (Channel 11 Sample time selection) */ +#define ADC_SMPR2_SMP11_0 ((uint32_t)0x00000008) /*!< Bit 0 */ +#define ADC_SMPR2_SMP11_1 ((uint32_t)0x00000010) /*!< Bit 1 */ +#define ADC_SMPR2_SMP11_2 ((uint32_t)0x00000020) /*!< Bit 2 */ + +#define ADC_SMPR2_SMP12 ((uint32_t)0x000001C0) /*!< SMP12[2:0] bits (Channel 12 Sample time selection) */ +#define ADC_SMPR2_SMP12_0 ((uint32_t)0x00000040) /*!< Bit 0 */ +#define ADC_SMPR2_SMP12_1 ((uint32_t)0x00000080) /*!< Bit 1 */ +#define ADC_SMPR2_SMP12_2 ((uint32_t)0x00000100) /*!< Bit 2 */ + +#define ADC_SMPR2_SMP13 ((uint32_t)0x00000E00) /*!< SMP13[2:0] bits (Channel 13 Sample time selection) */ +#define ADC_SMPR2_SMP13_0 ((uint32_t)0x00000200) /*!< Bit 0 */ +#define ADC_SMPR2_SMP13_1 ((uint32_t)0x00000400) /*!< Bit 1 */ +#define ADC_SMPR2_SMP13_2 ((uint32_t)0x00000800) /*!< Bit 2 */ + +#define ADC_SMPR2_SMP14 ((uint32_t)0x00007000) /*!< SMP14[2:0] bits (Channel 14 Sample time selection) */ +#define ADC_SMPR2_SMP14_0 ((uint32_t)0x00001000) /*!< Bit 0 */ +#define ADC_SMPR2_SMP14_1 ((uint32_t)0x00002000) /*!< Bit 1 */ +#define ADC_SMPR2_SMP14_2 ((uint32_t)0x00004000) /*!< Bit 2 */ + +#define ADC_SMPR2_SMP15 ((uint32_t)0x00038000) /*!< SMP15[2:0] bits (Channel 5 Sample time selection) */ +#define ADC_SMPR2_SMP15_0 ((uint32_t)0x00008000) /*!< Bit 0 */ +#define ADC_SMPR2_SMP15_1 ((uint32_t)0x00010000) /*!< Bit 1 */ +#define ADC_SMPR2_SMP15_2 ((uint32_t)0x00020000) /*!< Bit 2 */ + +#define ADC_SMPR2_SMP16 ((uint32_t)0x001C0000) /*!< SMP16[2:0] bits (Channel 16 Sample time selection) */ +#define ADC_SMPR2_SMP16_0 ((uint32_t)0x00040000) /*!< Bit 0 */ +#define ADC_SMPR2_SMP16_1 ((uint32_t)0x00080000) /*!< Bit 1 */ +#define ADC_SMPR2_SMP16_2 ((uint32_t)0x00100000) /*!< Bit 2 */ + +#define ADC_SMPR2_SMP17 ((uint32_t)0x00E00000) /*!< SMP17[2:0] bits (Channel 17 Sample time selection) */ +#define ADC_SMPR2_SMP17_0 ((uint32_t)0x00200000) /*!< Bit 0 */ +#define ADC_SMPR2_SMP17_1 ((uint32_t)0x00400000) /*!< Bit 1 */ +#define ADC_SMPR2_SMP17_2 ((uint32_t)0x00800000) /*!< Bit 2 */ + +#define ADC_SMPR2_SMP18 ((uint32_t)0x07000000) /*!< SMP18[2:0] bits (Channel 18 Sample time selection) */ +#define ADC_SMPR2_SMP18_0 ((uint32_t)0x01000000) /*!< Bit 0 */ +#define ADC_SMPR2_SMP18_1 ((uint32_t)0x02000000) /*!< Bit 1 */ +#define ADC_SMPR2_SMP18_2 ((uint32_t)0x04000000) /*!< Bit 2 */ + +#define ADC_SMPR2_SMP19 ((uint32_t)0x38000000) /*!< SMP19[2:0] bits (Channel 19 Sample time selection) */ +#define ADC_SMPR2_SMP19_0 ((uint32_t)0x08000000) /*!< Bit 0 */ +#define ADC_SMPR2_SMP19_1 ((uint32_t)0x10000000) /*!< Bit 1 */ +#define ADC_SMPR2_SMP19_2 ((uint32_t)0x20000000) /*!< Bit 2 */ + +/****************** Bit definition for ADC_SMPR3 register *******************/ +#define ADC_SMPR3_SMP0 ((uint32_t)0x00000007) /*!< SMP0[2:0] bits (Channel 0 Sample time selection) */ +#define ADC_SMPR3_SMP0_0 ((uint32_t)0x00000001) /*!< Bit 0 */ +#define ADC_SMPR3_SMP0_1 ((uint32_t)0x00000002) /*!< Bit 1 */ +#define ADC_SMPR3_SMP0_2 ((uint32_t)0x00000004) /*!< Bit 2 */ + +#define ADC_SMPR3_SMP1 ((uint32_t)0x00000038) /*!< SMP1[2:0] bits (Channel 1 Sample time selection) */ +#define ADC_SMPR3_SMP1_0 ((uint32_t)0x00000008) /*!< Bit 0 */ +#define ADC_SMPR3_SMP1_1 ((uint32_t)0x00000010) /*!< Bit 1 */ +#define ADC_SMPR3_SMP1_2 ((uint32_t)0x00000020) /*!< Bit 2 */ + +#define ADC_SMPR3_SMP2 ((uint32_t)0x000001C0) /*!< SMP2[2:0] bits (Channel 2 Sample time selection) */ +#define ADC_SMPR3_SMP2_0 ((uint32_t)0x00000040) /*!< Bit 0 */ +#define ADC_SMPR3_SMP2_1 ((uint32_t)0x00000080) /*!< Bit 1 */ +#define ADC_SMPR3_SMP2_2 ((uint32_t)0x00000100) /*!< Bit 2 */ + +#define ADC_SMPR3_SMP3 ((uint32_t)0x00000E00) /*!< SMP3[2:0] bits (Channel 3 Sample time selection) */ +#define ADC_SMPR3_SMP3_0 ((uint32_t)0x00000200) /*!< Bit 0 */ +#define ADC_SMPR3_SMP3_1 ((uint32_t)0x00000400) /*!< Bit 1 */ +#define ADC_SMPR3_SMP3_2 ((uint32_t)0x00000800) /*!< Bit 2 */ + +#define ADC_SMPR3_SMP4 ((uint32_t)0x00007000) /*!< SMP4[2:0] bits (Channel 4 Sample time selection) */ +#define ADC_SMPR3_SMP4_0 ((uint32_t)0x00001000) /*!< Bit 0 */ +#define ADC_SMPR3_SMP4_1 ((uint32_t)0x00002000) /*!< Bit 1 */ +#define ADC_SMPR3_SMP4_2 ((uint32_t)0x00004000) /*!< Bit 2 */ + +#define ADC_SMPR3_SMP5 ((uint32_t)0x00038000) /*!< SMP5[2:0] bits (Channel 5 Sample time selection) */ +#define ADC_SMPR3_SMP5_0 ((uint32_t)0x00008000) /*!< Bit 0 */ +#define ADC_SMPR3_SMP5_1 ((uint32_t)0x00010000) /*!< Bit 1 */ +#define ADC_SMPR3_SMP5_2 ((uint32_t)0x00020000) /*!< Bit 2 */ + +#define ADC_SMPR3_SMP6 ((uint32_t)0x001C0000) /*!< SMP6[2:0] bits (Channel 6 Sample time selection) */ +#define ADC_SMPR3_SMP6_0 ((uint32_t)0x00040000) /*!< Bit 0 */ +#define ADC_SMPR3_SMP6_1 ((uint32_t)0x00080000) /*!< Bit 1 */ +#define ADC_SMPR3_SMP6_2 ((uint32_t)0x00100000) /*!< Bit 2 */ + +#define ADC_SMPR3_SMP7 ((uint32_t)0x00E00000) /*!< SMP7[2:0] bits (Channel 7 Sample time selection) */ +#define ADC_SMPR3_SMP7_0 ((uint32_t)0x00200000) /*!< Bit 0 */ +#define ADC_SMPR3_SMP7_1 ((uint32_t)0x00400000) /*!< Bit 1 */ +#define ADC_SMPR3_SMP7_2 ((uint32_t)0x00800000) /*!< Bit 2 */ + +#define ADC_SMPR3_SMP8 ((uint32_t)0x07000000) /*!< SMP8[2:0] bits (Channel 8 Sample time selection) */ +#define ADC_SMPR3_SMP8_0 ((uint32_t)0x01000000) /*!< Bit 0 */ +#define ADC_SMPR3_SMP8_1 ((uint32_t)0x02000000) /*!< Bit 1 */ +#define ADC_SMPR3_SMP8_2 ((uint32_t)0x04000000) /*!< Bit 2 */ + +#define ADC_SMPR3_SMP9 ((uint32_t)0x38000000) /*!< SMP9[2:0] bits (Channel 9 Sample time selection) */ +#define ADC_SMPR3_SMP9_0 ((uint32_t)0x08000000) /*!< Bit 0 */ +#define ADC_SMPR3_SMP9_1 ((uint32_t)0x10000000) /*!< Bit 1 */ +#define ADC_SMPR3_SMP9_2 ((uint32_t)0x20000000) /*!< Bit 2 */ + +/****************** Bit definition for ADC_JOFR1 register *******************/ +#define ADC_JOFR1_JOFFSET1 ((uint32_t)0x00000FFF) /*!< Data offset for injected channel 1 */ + +/****************** Bit definition for ADC_JOFR2 register *******************/ +#define ADC_JOFR2_JOFFSET2 ((uint32_t)0x00000FFF) /*!< Data offset for injected channel 2 */ + +/****************** Bit definition for ADC_JOFR3 register *******************/ +#define ADC_JOFR3_JOFFSET3 ((uint32_t)0x00000FFF) /*!< Data offset for injected channel 3 */ + +/****************** Bit definition for ADC_JOFR4 register *******************/ +#define ADC_JOFR4_JOFFSET4 ((uint32_t)0x00000FFF) /*!< Data offset for injected channel 4 */ + +/******************* Bit definition for ADC_HTR register ********************/ +#define ADC_HTR_HT ((uint32_t)0x00000FFF) /*!< Analog watchdog high threshold */ + +/******************* Bit definition for ADC_LTR register ********************/ +#define ADC_LTR_LT ((uint32_t)0x00000FFF) /*!< Analog watchdog low threshold */ + +/******************* Bit definition for ADC_SQR1 register *******************/ +#define ADC_SQR1_L ((uint32_t)0x00F00000) /*!< L[3:0] bits (Regular channel sequence length) */ +#define ADC_SQR1_L_0 ((uint32_t)0x00100000) /*!< Bit 0 */ +#define ADC_SQR1_L_1 ((uint32_t)0x00200000) /*!< Bit 1 */ +#define ADC_SQR1_L_2 ((uint32_t)0x00400000) /*!< Bit 2 */ +#define ADC_SQR1_L_3 ((uint32_t)0x00800000) /*!< Bit 3 */ + +#define ADC_SQR1_SQ28 ((uint32_t)0x000F8000) /*!< SQ28[4:0] bits (25th conversion in regular sequence) */ +#define ADC_SQR1_SQ28_0 ((uint32_t)0x00008000) /*!< Bit 0 */ +#define ADC_SQR1_SQ28_1 ((uint32_t)0x00010000) /*!< Bit 1 */ +#define ADC_SQR1_SQ28_2 ((uint32_t)0x00020000) /*!< Bit 2 */ +#define ADC_SQR1_SQ28_3 ((uint32_t)0x00040000) /*!< Bit 3 */ +#define ADC_SQR1_SQ28_4 ((uint32_t)0x00080000) /*!< Bit 4 */ + +#define ADC_SQR1_SQ27 ((uint32_t)0x00007C00) /*!< SQ27[4:0] bits (27th conversion in regular sequence) */ +#define ADC_SQR1_SQ27_0 ((uint32_t)0x00000400) /*!< Bit 0 */ +#define ADC_SQR1_SQ27_1 ((uint32_t)0x00000800) /*!< Bit 1 */ +#define ADC_SQR1_SQ27_2 ((uint32_t)0x00001000) /*!< Bit 2 */ +#define ADC_SQR1_SQ27_3 ((uint32_t)0x00002000) /*!< Bit 3 */ +#define ADC_SQR1_SQ27_4 ((uint32_t)0x00004000) /*!< Bit 4 */ + +#define ADC_SQR1_SQ26 ((uint32_t)0x000003E0) /*!< SQ26[4:0] bits (26th conversion in regular sequence) */ +#define ADC_SQR1_SQ26_0 ((uint32_t)0x00000020) /*!< Bit 0 */ +#define ADC_SQR1_SQ26_1 ((uint32_t)0x00000040) /*!< Bit 1 */ +#define ADC_SQR1_SQ26_2 ((uint32_t)0x00000080) /*!< Bit 2 */ +#define ADC_SQR1_SQ26_3 ((uint32_t)0x00000100) /*!< Bit 3 */ +#define ADC_SQR1_SQ26_4 ((uint32_t)0x00000200) /*!< Bit 4 */ + +#define ADC_SQR1_SQ25 ((uint32_t)0x0000001F) /*!< SQ25[4:0] bits (25th conversion in regular sequence) */ +#define ADC_SQR1_SQ25_0 ((uint32_t)0x00000001) /*!< Bit 0 */ +#define ADC_SQR1_SQ25_1 ((uint32_t)0x00000002) /*!< Bit 1 */ +#define ADC_SQR1_SQ25_2 ((uint32_t)0x00000004) /*!< Bit 2 */ +#define ADC_SQR1_SQ25_3 ((uint32_t)0x00000008) /*!< Bit 3 */ +#define ADC_SQR1_SQ25_4 ((uint32_t)0x00000010) /*!< Bit 4 */ + +/******************* Bit definition for ADC_SQR2 register *******************/ +#define ADC_SQR2_SQ19 ((uint32_t)0x0000001F) /*!< SQ19[4:0] bits (19th conversion in regular sequence) */ +#define ADC_SQR2_SQ19_0 ((uint32_t)0x00000001) /*!< Bit 0 */ +#define ADC_SQR2_SQ19_1 ((uint32_t)0x00000002) /*!< Bit 1 */ +#define ADC_SQR2_SQ19_2 ((uint32_t)0x00000004) /*!< Bit 2 */ +#define ADC_SQR2_SQ19_3 ((uint32_t)0x00000008) /*!< Bit 3 */ +#define ADC_SQR2_SQ19_4 ((uint32_t)0x00000010) /*!< Bit 4 */ + +#define ADC_SQR2_SQ20 ((uint32_t)0x000003E0) /*!< SQ20[4:0] bits (20th conversion in regular sequence) */ +#define ADC_SQR2_SQ20_0 ((uint32_t)0x00000020) /*!< Bit 0 */ +#define ADC_SQR2_SQ20_1 ((uint32_t)0x00000040) /*!< Bit 1 */ +#define ADC_SQR2_SQ20_2 ((uint32_t)0x00000080) /*!< Bit 2 */ +#define ADC_SQR2_SQ20_3 ((uint32_t)0x00000100) /*!< Bit 3 */ +#define ADC_SQR2_SQ20_4 ((uint32_t)0x00000200) /*!< Bit 4 */ + +#define ADC_SQR2_SQ21 ((uint32_t)0x00007C00) /*!< SQ21[4:0] bits (21th conversion in regular sequence) */ +#define ADC_SQR2_SQ21_0 ((uint32_t)0x00000400) /*!< Bit 0 */ +#define ADC_SQR2_SQ21_1 ((uint32_t)0x00000800) /*!< Bit 1 */ +#define ADC_SQR2_SQ21_2 ((uint32_t)0x00001000) /*!< Bit 2 */ +#define ADC_SQR2_SQ21_3 ((uint32_t)0x00002000) /*!< Bit 3 */ +#define ADC_SQR2_SQ21_4 ((uint32_t)0x00004000) /*!< Bit 4 */ + +#define ADC_SQR2_SQ22 ((uint32_t)0x000F8000) /*!< SQ22[4:0] bits (22th conversion in regular sequence) */ +#define ADC_SQR2_SQ22_0 ((uint32_t)0x00008000) /*!< Bit 0 */ +#define ADC_SQR2_SQ22_1 ((uint32_t)0x00010000) /*!< Bit 1 */ +#define ADC_SQR2_SQ22_2 ((uint32_t)0x00020000) /*!< Bit 2 */ +#define ADC_SQR2_SQ22_3 ((uint32_t)0x00040000) /*!< Bit 3 */ +#define ADC_SQR2_SQ22_4 ((uint32_t)0x00080000) /*!< Bit 4 */ + +#define ADC_SQR2_SQ23 ((uint32_t)0x01F00000) /*!< SQ23[4:0] bits (23th conversion in regular sequence) */ +#define ADC_SQR2_SQ23_0 ((uint32_t)0x00100000) /*!< Bit 0 */ +#define ADC_SQR2_SQ23_1 ((uint32_t)0x00200000) /*!< Bit 1 */ +#define ADC_SQR2_SQ23_2 ((uint32_t)0x00400000) /*!< Bit 2 */ +#define ADC_SQR2_SQ23_3 ((uint32_t)0x00800000) /*!< Bit 3 */ +#define ADC_SQR2_SQ23_4 ((uint32_t)0x01000000) /*!< Bit 4 */ + +#define ADC_SQR2_SQ24 ((uint32_t)0x3E000000) /*!< SQ24[4:0] bits (24th conversion in regular sequence) */ +#define ADC_SQR2_SQ24_0 ((uint32_t)0x02000000) /*!< Bit 0 */ +#define ADC_SQR2_SQ24_1 ((uint32_t)0x04000000) /*!< Bit 1 */ +#define ADC_SQR2_SQ24_2 ((uint32_t)0x08000000) /*!< Bit 2 */ +#define ADC_SQR2_SQ24_3 ((uint32_t)0x10000000) /*!< Bit 3 */ +#define ADC_SQR2_SQ24_4 ((uint32_t)0x20000000) /*!< Bit 4 */ + +/******************* Bit definition for ADC_SQR3 register *******************/ +#define ADC_SQR3_SQ13 ((uint32_t)0x0000001F) /*!< SQ13[4:0] bits (13th conversion in regular sequence) */ +#define ADC_SQR3_SQ13_0 ((uint32_t)0x00000001) /*!< Bit 0 */ +#define ADC_SQR3_SQ13_1 ((uint32_t)0x00000002) /*!< Bit 1 */ +#define ADC_SQR3_SQ13_2 ((uint32_t)0x00000004) /*!< Bit 2 */ +#define ADC_SQR3_SQ13_3 ((uint32_t)0x00000008) /*!< Bit 3 */ +#define ADC_SQR3_SQ13_4 ((uint32_t)0x00000010) /*!< Bit 4 */ + +#define ADC_SQR3_SQ14 ((uint32_t)0x000003E0) /*!< SQ14[4:0] bits (14th conversion in regular sequence) */ +#define ADC_SQR3_SQ14_0 ((uint32_t)0x00000020) /*!< Bit 0 */ +#define ADC_SQR3_SQ14_1 ((uint32_t)0x00000040) /*!< Bit 1 */ +#define ADC_SQR3_SQ14_2 ((uint32_t)0x00000080) /*!< Bit 2 */ +#define ADC_SQR3_SQ14_3 ((uint32_t)0x00000100) /*!< Bit 3 */ +#define ADC_SQR3_SQ14_4 ((uint32_t)0x00000200) /*!< Bit 4 */ + +#define ADC_SQR3_SQ15 ((uint32_t)0x00007C00) /*!< SQ15[4:0] bits (15th conversion in regular sequence) */ +#define ADC_SQR3_SQ15_0 ((uint32_t)0x00000400) /*!< Bit 0 */ +#define ADC_SQR3_SQ15_1 ((uint32_t)0x00000800) /*!< Bit 1 */ +#define ADC_SQR3_SQ15_2 ((uint32_t)0x00001000) /*!< Bit 2 */ +#define ADC_SQR3_SQ15_3 ((uint32_t)0x00002000) /*!< Bit 3 */ +#define ADC_SQR3_SQ15_4 ((uint32_t)0x00004000) /*!< Bit 4 */ + +#define ADC_SQR3_SQ16 ((uint32_t)0x000F8000) /*!< SQ16[4:0] bits (16th conversion in regular sequence) */ +#define ADC_SQR3_SQ16_0 ((uint32_t)0x00008000) /*!< Bit 0 */ +#define ADC_SQR3_SQ16_1 ((uint32_t)0x00010000) /*!< Bit 1 */ +#define ADC_SQR3_SQ16_2 ((uint32_t)0x00020000) /*!< Bit 2 */ +#define ADC_SQR3_SQ16_3 ((uint32_t)0x00040000) /*!< Bit 3 */ +#define ADC_SQR3_SQ16_4 ((uint32_t)0x00080000) /*!< Bit 4 */ + +#define ADC_SQR3_SQ17 ((uint32_t)0x01F00000) /*!< SQ17[4:0] bits (17th conversion in regular sequence) */ +#define ADC_SQR3_SQ17_0 ((uint32_t)0x00100000) /*!< Bit 0 */ +#define ADC_SQR3_SQ17_1 ((uint32_t)0x00200000) /*!< Bit 1 */ +#define ADC_SQR3_SQ17_2 ((uint32_t)0x00400000) /*!< Bit 2 */ +#define ADC_SQR3_SQ17_3 ((uint32_t)0x00800000) /*!< Bit 3 */ +#define ADC_SQR3_SQ17_4 ((uint32_t)0x01000000) /*!< Bit 4 */ + +#define ADC_SQR3_SQ18 ((uint32_t)0x3E000000) /*!< SQ18[4:0] bits (18th conversion in regular sequence) */ +#define ADC_SQR3_SQ18_0 ((uint32_t)0x02000000) /*!< Bit 0 */ +#define ADC_SQR3_SQ18_1 ((uint32_t)0x04000000) /*!< Bit 1 */ +#define ADC_SQR3_SQ18_2 ((uint32_t)0x08000000) /*!< Bit 2 */ +#define ADC_SQR3_SQ18_3 ((uint32_t)0x10000000) /*!< Bit 3 */ +#define ADC_SQR3_SQ18_4 ((uint32_t)0x20000000) /*!< Bit 4 */ + +/******************* Bit definition for ADC_SQR4 register *******************/ +#define ADC_SQR4_SQ7 ((uint32_t)0x0000001F) /*!< SQ7[4:0] bits (7th conversion in regular sequence) */ +#define ADC_SQR4_SQ7_0 ((uint32_t)0x00000001) /*!< Bit 0 */ +#define ADC_SQR4_SQ7_1 ((uint32_t)0x00000002) /*!< Bit 1 */ +#define ADC_SQR4_SQ7_2 ((uint32_t)0x00000004) /*!< Bit 2 */ +#define ADC_SQR4_SQ7_3 ((uint32_t)0x00000008) /*!< Bit 3 */ +#define ADC_SQR4_SQ7_4 ((uint32_t)0x00000010) /*!< Bit 4 */ + +#define ADC_SQR4_SQ8 ((uint32_t)0x000003E0) /*!< SQ8[4:0] bits (8th conversion in regular sequence) */ +#define ADC_SQR4_SQ8_0 ((uint32_t)0x00000020) /*!< Bit 0 */ +#define ADC_SQR4_SQ8_1 ((uint32_t)0x00000040) /*!< Bit 1 */ +#define ADC_SQR4_SQ8_2 ((uint32_t)0x00000080) /*!< Bit 2 */ +#define ADC_SQR4_SQ8_3 ((uint32_t)0x00000100) /*!< Bit 3 */ +#define ADC_SQR4_SQ8_4 ((uint32_t)0x00000200) /*!< Bit 4 */ + +#define ADC_SQR4_SQ9 ((uint32_t)0x00007C00) /*!< SQ9[4:0] bits (9th conversion in regular sequence) */ +#define ADC_SQR4_SQ9_0 ((uint32_t)0x00000400) /*!< Bit 0 */ +#define ADC_SQR4_SQ9_1 ((uint32_t)0x00000800) /*!< Bit 1 */ +#define ADC_SQR4_SQ9_2 ((uint32_t)0x00001000) /*!< Bit 2 */ +#define ADC_SQR4_SQ9_3 ((uint32_t)0x00002000) /*!< Bit 3 */ +#define ADC_SQR4_SQ9_4 ((uint32_t)0x00004000) /*!< Bit 4 */ + +#define ADC_SQR4_SQ10 ((uint32_t)0x000F8000) /*!< SQ10[4:0] bits (10th conversion in regular sequence) */ +#define ADC_SQR4_SQ10_0 ((uint32_t)0x00008000) /*!< Bit 0 */ +#define ADC_SQR4_SQ10_1 ((uint32_t)0x00010000) /*!< Bit 1 */ +#define ADC_SQR4_SQ10_2 ((uint32_t)0x00020000) /*!< Bit 2 */ +#define ADC_SQR4_SQ10_3 ((uint32_t)0x00040000) /*!< Bit 3 */ +#define ADC_SQR4_SQ10_4 ((uint32_t)0x00080000) /*!< Bit 4 */ + +#define ADC_SQR4_SQ11 ((uint32_t)0x01F00000) /*!< SQ11[4:0] bits (11th conversion in regular sequence) */ +#define ADC_SQR4_SQ11_0 ((uint32_t)0x00100000) /*!< Bit 0 */ +#define ADC_SQR4_SQ11_1 ((uint32_t)0x00200000) /*!< Bit 1 */ +#define ADC_SQR4_SQ11_2 ((uint32_t)0x00400000) /*!< Bit 2 */ +#define ADC_SQR4_SQ11_3 ((uint32_t)0x00800000) /*!< Bit 3 */ +#define ADC_SQR4_SQ11_4 ((uint32_t)0x01000000) /*!< Bit 4 */ + +#define ADC_SQR4_SQ12 ((uint32_t)0x3E000000) /*!< SQ12[4:0] bits (12th conversion in regular sequence) */ +#define ADC_SQR4_SQ12_0 ((uint32_t)0x02000000) /*!< Bit 0 */ +#define ADC_SQR4_SQ12_1 ((uint32_t)0x04000000) /*!< Bit 1 */ +#define ADC_SQR4_SQ12_2 ((uint32_t)0x08000000) /*!< Bit 2 */ +#define ADC_SQR4_SQ12_3 ((uint32_t)0x10000000) /*!< Bit 3 */ +#define ADC_SQR4_SQ12_4 ((uint32_t)0x20000000) /*!< Bit 4 */ + +/******************* Bit definition for ADC_SQR5 register *******************/ +#define ADC_SQR5_SQ1 ((uint32_t)0x0000001F) /*!< SQ1[4:0] bits (1st conversion in regular sequence) */ +#define ADC_SQR5_SQ1_0 ((uint32_t)0x00000001) /*!< Bit 0 */ +#define ADC_SQR5_SQ1_1 ((uint32_t)0x00000002) /*!< Bit 1 */ +#define ADC_SQR5_SQ1_2 ((uint32_t)0x00000004) /*!< Bit 2 */ +#define ADC_SQR5_SQ1_3 ((uint32_t)0x00000008) /*!< Bit 3 */ +#define ADC_SQR5_SQ1_4 ((uint32_t)0x00000010) /*!< Bit 4 */ + +#define ADC_SQR5_SQ2 ((uint32_t)0x000003E0) /*!< SQ2[4:0] bits (2nd conversion in regular sequence) */ +#define ADC_SQR5_SQ2_0 ((uint32_t)0x00000020) /*!< Bit 0 */ +#define ADC_SQR5_SQ2_1 ((uint32_t)0x00000040) /*!< Bit 1 */ +#define ADC_SQR5_SQ2_2 ((uint32_t)0x00000080) /*!< Bit 2 */ +#define ADC_SQR5_SQ2_3 ((uint32_t)0x00000100) /*!< Bit 3 */ +#define ADC_SQR5_SQ2_4 ((uint32_t)0x00000200) /*!< Bit 4 */ + +#define ADC_SQR5_SQ3 ((uint32_t)0x00007C00) /*!< SQ3[4:0] bits (3rd conversion in regular sequence) */ +#define ADC_SQR5_SQ3_0 ((uint32_t)0x00000400) /*!< Bit 0 */ +#define ADC_SQR5_SQ3_1 ((uint32_t)0x00000800) /*!< Bit 1 */ +#define ADC_SQR5_SQ3_2 ((uint32_t)0x00001000) /*!< Bit 2 */ +#define ADC_SQR5_SQ3_3 ((uint32_t)0x00002000) /*!< Bit 3 */ +#define ADC_SQR5_SQ3_4 ((uint32_t)0x00004000) /*!< Bit 4 */ + +#define ADC_SQR5_SQ4 ((uint32_t)0x000F8000) /*!< SQ4[4:0] bits (4th conversion in regular sequence) */ +#define ADC_SQR5_SQ4_0 ((uint32_t)0x00008000) /*!< Bit 0 */ +#define ADC_SQR5_SQ4_1 ((uint32_t)0x00010000) /*!< Bit 1 */ +#define ADC_SQR5_SQ4_2 ((uint32_t)0x00020000) /*!< Bit 2 */ +#define ADC_SQR5_SQ4_3 ((uint32_t)0x00040000) /*!< Bit 3 */ +#define ADC_SQR5_SQ4_4 ((uint32_t)0x00080000) /*!< Bit 4 */ + +#define ADC_SQR5_SQ5 ((uint32_t)0x01F00000) /*!< SQ5[4:0] bits (5th conversion in regular sequence) */ +#define ADC_SQR5_SQ5_0 ((uint32_t)0x00100000) /*!< Bit 0 */ +#define ADC_SQR5_SQ5_1 ((uint32_t)0x00200000) /*!< Bit 1 */ +#define ADC_SQR5_SQ5_2 ((uint32_t)0x00400000) /*!< Bit 2 */ +#define ADC_SQR5_SQ5_3 ((uint32_t)0x00800000) /*!< Bit 3 */ +#define ADC_SQR5_SQ5_4 ((uint32_t)0x01000000) /*!< Bit 4 */ + +#define ADC_SQR5_SQ6 ((uint32_t)0x3E000000) /*!< SQ6[4:0] bits (6th conversion in regular sequence) */ +#define ADC_SQR5_SQ6_0 ((uint32_t)0x02000000) /*!< Bit 0 */ +#define ADC_SQR5_SQ6_1 ((uint32_t)0x04000000) /*!< Bit 1 */ +#define ADC_SQR5_SQ6_2 ((uint32_t)0x08000000) /*!< Bit 2 */ +#define ADC_SQR5_SQ6_3 ((uint32_t)0x10000000) /*!< Bit 3 */ +#define ADC_SQR5_SQ6_4 ((uint32_t)0x20000000) /*!< Bit 4 */ + + +/******************* Bit definition for ADC_JSQR register *******************/ +#define ADC_JSQR_JSQ1 ((uint32_t)0x0000001F) /*!< JSQ1[4:0] bits (1st conversion in injected sequence) */ +#define ADC_JSQR_JSQ1_0 ((uint32_t)0x00000001) /*!< Bit 0 */ +#define ADC_JSQR_JSQ1_1 ((uint32_t)0x00000002) /*!< Bit 1 */ +#define ADC_JSQR_JSQ1_2 ((uint32_t)0x00000004) /*!< Bit 2 */ +#define ADC_JSQR_JSQ1_3 ((uint32_t)0x00000008) /*!< Bit 3 */ +#define ADC_JSQR_JSQ1_4 ((uint32_t)0x00000010) /*!< Bit 4 */ + +#define ADC_JSQR_JSQ2 ((uint32_t)0x000003E0) /*!< JSQ2[4:0] bits (2nd conversion in injected sequence) */ +#define ADC_JSQR_JSQ2_0 ((uint32_t)0x00000020) /*!< Bit 0 */ +#define ADC_JSQR_JSQ2_1 ((uint32_t)0x00000040) /*!< Bit 1 */ +#define ADC_JSQR_JSQ2_2 ((uint32_t)0x00000080) /*!< Bit 2 */ +#define ADC_JSQR_JSQ2_3 ((uint32_t)0x00000100) /*!< Bit 3 */ +#define ADC_JSQR_JSQ2_4 ((uint32_t)0x00000200) /*!< Bit 4 */ + +#define ADC_JSQR_JSQ3 ((uint32_t)0x00007C00) /*!< JSQ3[4:0] bits (3rd conversion in injected sequence) */ +#define ADC_JSQR_JSQ3_0 ((uint32_t)0x00000400) /*!< Bit 0 */ +#define ADC_JSQR_JSQ3_1 ((uint32_t)0x00000800) /*!< Bit 1 */ +#define ADC_JSQR_JSQ3_2 ((uint32_t)0x00001000) /*!< Bit 2 */ +#define ADC_JSQR_JSQ3_3 ((uint32_t)0x00002000) /*!< Bit 3 */ +#define ADC_JSQR_JSQ3_4 ((uint32_t)0x00004000) /*!< Bit 4 */ + +#define ADC_JSQR_JSQ4 ((uint32_t)0x000F8000) /*!< JSQ4[4:0] bits (4th conversion in injected sequence) */ +#define ADC_JSQR_JSQ4_0 ((uint32_t)0x00008000) /*!< Bit 0 */ +#define ADC_JSQR_JSQ4_1 ((uint32_t)0x00010000) /*!< Bit 1 */ +#define ADC_JSQR_JSQ4_2 ((uint32_t)0x00020000) /*!< Bit 2 */ +#define ADC_JSQR_JSQ4_3 ((uint32_t)0x00040000) /*!< Bit 3 */ +#define ADC_JSQR_JSQ4_4 ((uint32_t)0x00080000) /*!< Bit 4 */ + +#define ADC_JSQR_JL ((uint32_t)0x00300000) /*!< JL[1:0] bits (Injected Sequence length) */ +#define ADC_JSQR_JL_0 ((uint32_t)0x00100000) /*!< Bit 0 */ +#define ADC_JSQR_JL_1 ((uint32_t)0x00200000) /*!< Bit 1 */ + +/******************* Bit definition for ADC_JDR1 register *******************/ +#define ADC_JDR1_JDATA ((uint32_t)0x0000FFFF) /*!< Injected data */ + +/******************* Bit definition for ADC_JDR2 register *******************/ +#define ADC_JDR2_JDATA ((uint32_t)0x0000FFFF) /*!< Injected data */ + +/******************* Bit definition for ADC_JDR3 register *******************/ +#define ADC_JDR3_JDATA ((uint32_t)0x0000FFFF) /*!< Injected data */ + +/******************* Bit definition for ADC_JDR4 register *******************/ +#define ADC_JDR4_JDATA ((uint32_t)0x0000FFFF) /*!< Injected data */ + +/******************** Bit definition for ADC_DR register ********************/ +#define ADC_DR_DATA ((uint32_t)0x0000FFFF) /*!< Regular data */ + +/****************** Bit definition for ADC_SMPR0 register *******************/ +#define ADC_SMPR3_SMP30 ((uint32_t)0x00000007) /*!< SMP30[2:0] bits (Channel 30 Sample time selection) */ +#define ADC_SMPR3_SMP30_0 ((uint32_t)0x00000001) /*!< Bit 0 */ +#define ADC_SMPR3_SMP30_1 ((uint32_t)0x00000002) /*!< Bit 1 */ +#define ADC_SMPR3_SMP30_2 ((uint32_t)0x00000004) /*!< Bit 2 */ + +#define ADC_SMPR3_SMP31 ((uint32_t)0x00000038) /*!< SMP31[2:0] bits (Channel 31 Sample time selection) */ +#define ADC_SMPR3_SMP31_0 ((uint32_t)0x00000008) /*!< Bit 0 */ +#define ADC_SMPR3_SMP31_1 ((uint32_t)0x00000010) /*!< Bit 1 */ +#define ADC_SMPR3_SMP31_2 ((uint32_t)0x00000020) /*!< Bit 2 */ + +/******************* Bit definition for ADC_CSR register ********************/ +#define ADC_CSR_AWD1 ((uint32_t)0x00000001) /*!< ADC1 Analog watchdog flag */ +#define ADC_CSR_EOC1 ((uint32_t)0x00000002) /*!< ADC1 End of conversion */ +#define ADC_CSR_JEOC1 ((uint32_t)0x00000004) /*!< ADC1 Injected channel end of conversion */ +#define ADC_CSR_JSTRT1 ((uint32_t)0x00000008) /*!< ADC1 Injected channel Start flag */ +#define ADC_CSR_STRT1 ((uint32_t)0x00000010) /*!< ADC1 Regular channel Start flag */ +#define ADC_CSR_OVR1 ((uint32_t)0x00000020) /*!< ADC1 overrun flag */ +#define ADC_CSR_ADONS1 ((uint32_t)0x00000040) /*!< ADON status of ADC1 */ + +/******************* Bit definition for ADC_CCR register ********************/ +#define ADC_CCR_ADCPRE ((uint32_t)0x00030000) /*!< ADC prescaler*/ +#define ADC_CCR_ADCPRE_0 ((uint32_t)0x00010000) /*!< Bit 0 */ +#define ADC_CCR_ADCPRE_1 ((uint32_t)0x00020000) /*!< Bit 1 */ +#define ADC_CCR_TSVREFE ((uint32_t)0x00800000) /*!< Temperature Sensor and VREFINT Enable */ + +/******************************************************************************/ +/* */ +/* Advanced Encryption Standard (AES) */ +/* */ +/******************************************************************************/ +/******************* Bit definition for AES_CR register *********************/ +#define AES_CR_EN ((uint32_t)0x00000001) /*!< AES Enable */ +#define AES_CR_DATATYPE ((uint32_t)0x00000006) /*!< Data type selection */ +#define AES_CR_DATATYPE_0 ((uint32_t)0x00000002) /*!< Bit 0 */ +#define AES_CR_DATATYPE_1 ((uint32_t)0x00000004) /*!< Bit 1 */ + +#define AES_CR_MODE ((uint32_t)0x00000018) /*!< AES Mode Of Operation */ +#define AES_CR_MODE_0 ((uint32_t)0x00000008) /*!< Bit 0 */ +#define AES_CR_MODE_1 ((uint32_t)0x00000010) /*!< Bit 1 */ + +#define AES_CR_CHMOD ((uint32_t)0x00000060) /*!< AES Chaining Mode */ +#define AES_CR_CHMOD_0 ((uint32_t)0x00000020) /*!< Bit 0 */ +#define AES_CR_CHMOD_1 ((uint32_t)0x00000040) /*!< Bit 1 */ + +#define AES_CR_CCFC ((uint32_t)0x00000080) /*!< Computation Complete Flag Clear */ +#define AES_CR_ERRC ((uint32_t)0x00000100) /*!< Error Clear */ +#define AES_CR_CCIE ((uint32_t)0x00000200) /*!< Computation Complete Interrupt Enable */ +#define AES_CR_ERRIE ((uint32_t)0x00000400) /*!< Error Interrupt Enable */ +#define AES_CR_DMAINEN ((uint32_t)0x00000800) /*!< DMA ENable managing the data input phase */ +#define AES_CR_DMAOUTEN ((uint32_t)0x00001000) /*!< DMA Enable managing the data output phase */ + +/******************* Bit definition for AES_SR register *********************/ +#define AES_SR_CCF ((uint32_t)0x00000001) /*!< Computation Complete Flag */ +#define AES_SR_RDERR ((uint32_t)0x00000002) /*!< Read Error Flag */ +#define AES_SR_WRERR ((uint32_t)0x00000004) /*!< Write Error Flag */ + +/******************* Bit definition for AES_DINR register *******************/ +#define AES_DINR ((uint32_t)0x0000FFFF) /*!< AES Data Input Register */ + +/******************* Bit definition for AES_DOUTR register ******************/ +#define AES_DOUTR ((uint32_t)0x0000FFFF) /*!< AES Data Output Register */ + +/******************* Bit definition for AES_KEYR0 register ******************/ +#define AES_KEYR0 ((uint32_t)0x0000FFFF) /*!< AES Key Register 0 */ + +/******************* Bit definition for AES_KEYR1 register ******************/ +#define AES_KEYR1 ((uint32_t)0x0000FFFF) /*!< AES Key Register 1 */ + +/******************* Bit definition for AES_KEYR2 register ******************/ +#define AES_KEYR2 ((uint32_t)0x0000FFFF) /*!< AES Key Register 2 */ + +/******************* Bit definition for AES_KEYR3 register ******************/ +#define AES_KEYR3 ((uint32_t)0x0000FFFF) /*!< AES Key Register 3 */ + +/******************* Bit definition for AES_IVR0 register *******************/ +#define AES_IVR0 ((uint32_t)0x0000FFFF) /*!< AES Initialization Vector Register 0 */ + +/******************* Bit definition for AES_IVR1 register *******************/ +#define AES_IVR1 ((uint32_t)0x0000FFFF) /*!< AES Initialization Vector Register 1 */ + +/******************* Bit definition for AES_IVR2 register *******************/ +#define AES_IVR2 ((uint32_t)0x0000FFFF) /*!< AES Initialization Vector Register 2 */ + +/******************* Bit definition for AES_IVR3 register *******************/ +#define AES_IVR3 ((uint32_t)0x0000FFFF) /*!< AES Initialization Vector Register 3 */ + +/******************************************************************************/ +/* */ +/* Analog Comparators (COMP) */ +/* */ +/******************************************************************************/ + +/****************** Bit definition for COMP_CSR register ********************/ +#define COMP_CSR_10KPU ((uint32_t)0x00000001) /*!< 10K pull-up resistor */ +#define COMP_CSR_400KPU ((uint32_t)0x00000002) /*!< 400K pull-up resistor */ +#define COMP_CSR_10KPD ((uint32_t)0x00000004) /*!< 10K pull-down resistor */ +#define COMP_CSR_400KPD ((uint32_t)0x00000008) /*!< 400K pull-down resistor */ + +#define COMP_CSR_CMP1EN ((uint32_t)0x00000010) /*!< Comparator 1 enable */ +#define COMP_CSR_SW1 ((uint32_t)0x00000020) /*!< SW1 analog switch enable */ +#define COMP_CSR_CMP1OUT ((uint32_t)0x00000080) /*!< Comparator 1 output */ + +#define COMP_CSR_SPEED ((uint32_t)0x00001000) /*!< Comparator 2 speed */ +#define COMP_CSR_CMP2OUT ((uint32_t)0x00002000) /*!< Comparator 2 ouput */ + +#define COMP_CSR_VREFOUTEN ((uint32_t)0x00010000) /*!< Comparator Vref Enable */ +#define COMP_CSR_WNDWE ((uint32_t)0x00020000) /*!< Window mode enable */ + +#define COMP_CSR_INSEL ((uint32_t)0x001C0000) /*!< INSEL[2:0] Inversion input Selection */ +#define COMP_CSR_INSEL_0 ((uint32_t)0x00040000) /*!< Bit 0 */ +#define COMP_CSR_INSEL_1 ((uint32_t)0x00080000) /*!< Bit 1 */ +#define COMP_CSR_INSEL_2 ((uint32_t)0x00100000) /*!< Bit 2 */ + +#define COMP_CSR_OUTSEL ((uint32_t)0x00E00000) /*!< OUTSEL[2:0] comparator 2 output redirection */ +#define COMP_CSR_OUTSEL_0 ((uint32_t)0x00200000) /*!< Bit 0 */ +#define COMP_CSR_OUTSEL_1 ((uint32_t)0x00400000) /*!< Bit 1 */ +#define COMP_CSR_OUTSEL_2 ((uint32_t)0x00800000) /*!< Bit 2 */ + +#define COMP_CSR_FCH3 ((uint32_t)0x04000000) /*!< Bit 26 */ +#define COMP_CSR_FCH8 ((uint32_t)0x08000000) /*!< Bit 27 */ +#define COMP_CSR_RCH13 ((uint32_t)0x10000000) /*!< Bit 28 */ + +#define COMP_CSR_CAIE ((uint32_t)0x20000000) /*!< Bit 29 */ +#define COMP_CSR_CAIF ((uint32_t)0x40000000) /*!< Bit 30 */ +#define COMP_CSR_TSUSP ((uint32_t)0x80000000) /*!< Bit 31 */ + +/******************************************************************************/ +/* */ +/* Operational Amplifier (OPAMP) */ +/* */ +/******************************************************************************/ +/******************* Bit definition for OPAMP_CSR register ******************/ +#define OPAMP_CSR_OPA1PD ((uint32_t)0x00000001) /*!< OPAMP1 disable */ +#define OPAMP_CSR_S3SEL1 ((uint32_t)0x00000002) /*!< Switch 3 for OPAMP1 Enable */ +#define OPAMP_CSR_S4SEL1 ((uint32_t)0x00000004) /*!< Switch 4 for OPAMP1 Enable */ +#define OPAMP_CSR_S5SEL1 ((uint32_t)0x00000008) /*!< Switch 5 for OPAMP1 Enable */ +#define OPAMP_CSR_S6SEL1 ((uint32_t)0x00000010) /*!< Switch 6 for OPAMP1 Enable */ +#define OPAMP_CSR_OPA1CAL_L ((uint32_t)0x00000020) /*!< OPAMP1 Offset calibration for P differential pair */ +#define OPAMP_CSR_OPA1CAL_H ((uint32_t)0x00000040) /*!< OPAMP1 Offset calibration for N differential pair */ +#define OPAMP_CSR_OPA1LPM ((uint32_t)0x00000080) /*!< OPAMP1 Low power enable */ +#define OPAMP_CSR_OPA2PD ((uint32_t)0x00000100) /*!< OPAMP2 disable */ +#define OPAMP_CSR_S3SEL2 ((uint32_t)0x00000200) /*!< Switch 3 for OPAMP2 Enable */ +#define OPAMP_CSR_S4SEL2 ((uint32_t)0x00000400) /*!< Switch 4 for OPAMP2 Enable */ +#define OPAMP_CSR_S5SEL2 ((uint32_t)0x00000800) /*!< Switch 5 for OPAMP2 Enable */ +#define OPAMP_CSR_S6SEL2 ((uint32_t)0x00001000) /*!< Switch 6 for OPAMP2 Enable */ +#define OPAMP_CSR_OPA2CAL_L ((uint32_t)0x00002000) /*!< OPAMP2 Offset calibration for P differential pair */ +#define OPAMP_CSR_OPA2CAL_H ((uint32_t)0x00004000) /*!< OPAMP2 Offset calibration for N differential pair */ +#define OPAMP_CSR_OPA2LPM ((uint32_t)0x00008000) /*!< OPAMP2 Low power enable */ +#define OPAMP_CSR_OPA3PD ((uint32_t)0x00010000) /*!< OPAMP3 disable */ +#define OPAMP_CSR_S3SEL3 ((uint32_t)0x00020000) /*!< Switch 3 for OPAMP3 Enable */ +#define OPAMP_CSR_S4SEL3 ((uint32_t)0x00040000) /*!< Switch 4 for OPAMP3 Enable */ +#define OPAMP_CSR_S5SEL3 ((uint32_t)0x00080000) /*!< Switch 5 for OPAMP3 Enable */ +#define OPAMP_CSR_S6SEL3 ((uint32_t)0x00100000) /*!< Switch 6 for OPAMP3 Enable */ +#define OPAMP_CSR_OPA3CAL_L ((uint32_t)0x00200000) /*!< OPAMP3 Offset calibration for P differential pair */ +#define OPAMP_CSR_OPA3CAL_H ((uint32_t)0x00400000) /*!< OPAMP3 Offset calibration for N differential pair */ +#define OPAMP_CSR_OPA3LPM ((uint32_t)0x00800000) /*!< OPAMP3 Low power enable */ +#define OPAMP_CSR_ANAWSEL1 ((uint32_t)0x01000000) /*!< Switch ANA Enable for OPAMP1 */ +#define OPAMP_CSR_ANAWSEL2 ((uint32_t)0x02000000) /*!< Switch ANA Enable for OPAMP2 */ +#define OPAMP_CSR_ANAWSEL3 ((uint32_t)0x04000000) /*!< Switch ANA Enable for OPAMP3 */ +#define OPAMP_CSR_S7SEL2 ((uint32_t)0x08000000) /*!< Switch 7 for OPAMP2 Enable */ +#define OPAMP_CSR_AOP_RANGE ((uint32_t)0x10000000) /*!< Power range selection */ +#define OPAMP_CSR_OPA1CALOUT ((uint32_t)0x20000000) /*!< OPAMP1 calibration output */ +#define OPAMP_CSR_OPA2CALOUT ((uint32_t)0x40000000) /*!< OPAMP2 calibration output */ +#define OPAMP_CSR_OPA3CALOUT ((uint32_t)0x80000000) /*!< OPAMP3 calibration output */ + +/******************* Bit definition for OPAMP_OTR register ******************/ +#define OPAMP_OTR_AO1_OPT_OFFSET_TRIM ((uint32_t)0x000003FF) /*!< Offset trim for OPAMP1 */ +#define OPAMP_OTR_AO2_OPT_OFFSET_TRIM ((uint32_t)0x000FFC00) /*!< Offset trim for OPAMP2 */ +#define OPAMP_OTR_AO3_OPT_OFFSET_TRIM ((uint32_t)0x3FF00000) /*!< Offset trim for OPAMP2 */ +#define OPAMP_OTR_OT_USER ((uint32_t)0x80000000) /*!< Switch to OPAMP offset user trimmed values */ + +/******************* Bit definition for OPAMP_LPOTR register ****************/ +#define OPAMP_LP_OTR_AO1_OPT_OFFSET_TRIM_LP ((uint32_t)0x000003FF) /*!< Offset trim in low power for OPAMP1 */ +#define OPAMP_LP_OTR_AO2_OPT_OFFSET_TRIM_LP ((uint32_t)0x000FFC00) /*!< Offset trim in low power for OPAMP2 */ +#define OPAMP_LP_OTR_AO3_OPT_OFFSET_TRIM_LP ((uint32_t)0x3FF00000) /*!< Offset trim in low power for OPAMP3 */ + +/******************************************************************************/ +/* */ +/* CRC calculation unit (CRC) */ +/* */ +/******************************************************************************/ + +/******************* Bit definition for CRC_DR register *********************/ +#define CRC_DR_DR ((uint32_t)0xFFFFFFFF) /*!< Data register bits */ + +/******************* Bit definition for CRC_IDR register ********************/ +#define CRC_IDR_IDR ((uint8_t)0xFF) /*!< General-purpose 8-bit data register bits */ + +/******************** Bit definition for CRC_CR register ********************/ +#define CRC_CR_RESET ((uint32_t)0x00000001) /*!< RESET bit */ + +/******************************************************************************/ +/* */ +/* Digital to Analog Converter (DAC) */ +/* */ +/******************************************************************************/ + +/******************** Bit definition for DAC_CR register ********************/ +#define DAC_CR_EN1 ((uint32_t)0x00000001) /*!
© COPYRIGHT 2012 STMicroelectronics
+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32f37x_system + * @{ + */ + +/** + * @brief Define to prevent recursive inclusion + */ +#ifndef __SYSTEM_STM32F37X_H +#define __SYSTEM_STM32F37X_H + +#ifdef __cplusplus + extern "C" { +#endif + +/** @addtogroup STM32F37x_System_Includes + * @{ + */ + +/** + * @} + */ + + +/** @addtogroup STM32F37x_System_Exported_types + * @{ + */ + +extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ + +/** + * @} + */ + +/** @addtogroup STM32F37x_System_Exported_Constants + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32F37x_System_Exported_Macros + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32F37x_System_Exported_Functions + * @{ + */ + +extern void SystemInit(void); +extern void SystemCoreClockUpdate(void); +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /*__SYSTEM_STM32F37X_H */ + +/** + * @} + */ + +/** + * @} + */ +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/os/ext/CMSIS/ST/system_stm32l1xx.h b/os/ext/CMSIS/ST/system_stm32l1xx.h new file mode 100644 index 000000000..9772b4f43 --- /dev/null +++ b/os/ext/CMSIS/ST/system_stm32l1xx.h @@ -0,0 +1,104 @@ +/** + ****************************************************************************** + * @file system_stm32l1xx.h + * @author MCD Application Team + * @version V1.2.0 + * @date 22-February-2013 + * @brief CMSIS Cortex-M3 Device Peripheral Access Layer System Header File. + ****************************************************************************** + * @attention + * + *

© COPYRIGHT 2013 STMicroelectronics

+ * + * Licensed under MCD-ST Liberty SW License Agreement V2, (the "License"); + * You may not use this file except in compliance with the License. + * You may obtain a copy of the License at: + * + * http://www.st.com/software_license_agreement_liberty_v2 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + * + ****************************************************************************** + */ + +/** @addtogroup CMSIS + * @{ + */ + +/** @addtogroup stm32l1xx_system + * @{ + */ + +/** + * @brief Define to prevent recursive inclusion + */ +#ifndef __SYSTEM_STM32L1XX_H +#define __SYSTEM_STM32L1XX_H + +#ifdef __cplusplus + extern "C" { +#endif + +/** @addtogroup STM32L1xx_System_Includes + * @{ + */ + +/** + * @} + */ + + +/** @addtogroup STM32L1xx_System_Exported_types + * @{ + */ + +extern uint32_t SystemCoreClock; /*!< System Clock Frequency (Core Clock) */ + +/** + * @} + */ + +/** @addtogroup STM32L1xx_System_Exported_Constants + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32L1xx_System_Exported_Macros + * @{ + */ + +/** + * @} + */ + +/** @addtogroup STM32L1xx_System_Exported_Functions + * @{ + */ + +extern void SystemInit(void); +extern void SystemCoreClockUpdate(void); +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /*__SYSTEM_STM32L1XX_H */ + +/** + * @} + */ + +/** + * @} + */ +/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ diff --git a/os/hal/ports/STM32F37x/adc_lld.c b/os/hal/ports/STM32F37x/adc_lld.c new file mode 100644 index 000000000..ebb6da7ec --- /dev/null +++ b/os/hal/ports/STM32F37x/adc_lld.c @@ -0,0 +1,735 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F4xx/adc_lld.c + * @brief STM32F4xx/STM32F2xx ADC subsystem low level driver source. + * + * @addtogroup ADC + * @{ + */ + +#include "ch.h" +#include "hal.h" + +#if HAL_USE_ADC || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +#define SDADC_FORBIDDEN_CR1_FLAGS (SDADC_CR1_INIT | SDADC_CR1_RDMAEN | \ + SDADC_CR1_RSYNC | SDADC_CR1_JSYNC | \ + SDADC_CR1_ROVRIE | SDADC_CR1_REOCIE | \ + SDADC_CR1_JEOCIE | SDADC_CR1_EOCALIE) + +#define SDADC_ENFORCED_CR1_FLAGS (SDADC_CR1_JDMAEN | SDADC_CR1_JOVRIE) + +#define SDADC_FORBIDDEN_CR2_FLAGS (SDADC_CR2_RSWSTART | \ + SDADC_CR2_RCONT | \ + SDADC_CR2_RCH | \ + SDADC_CR2_JCONT | \ + SDADC_CR2_STARTCALIB | \ + SDADC_CR2_CALIBCNT) + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/** @brief ADC1 driver identifier.*/ +#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__) +ADCDriver ADCD1; +#endif + +/** @brief SDADC1 driver identifier.*/ +#if STM32_ADC_USE_SDADC1 || defined(__DOXYGEN__) +ADCDriver SDADCD1; +#endif + +/** @brief SDADC2 driver identifier.*/ +#if STM32_ADC_USE_SDADC2 || defined(__DOXYGEN__) +ADCDriver SDADCD2; +#endif + +/** @brief SDADC3 driver identifier.*/ +#if STM32_ADC_USE_SDADC3 || defined(__DOXYGEN__) +ADCDriver SDADCD3; +#endif + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +static const ADCConfig adc_lld_default_config = { +#if STM32_ADC_USE_SDADC + 0, + { + 0, + 0, + 0 + } +#else /* !STM32_ADC_USE_SDADC */ + 0 +#endif /* !STM32_ADC_USE_SDADC */ +}; + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/** + * @brief Stops, reconfigures and restarts an ADC/SDADC. + * + * @param[in] adcp pointer to the @p ADCDriver object + */ +static void adc_lld_reconfig(ADCDriver *adcp) { + +#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC + if (adcp->adc != NULL) +#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */ +#if STM32_ADC_USE_ADC + { + /* ADC initial setup, starting the analog part here in order to reduce + the latency when starting a conversion.*/ + uint32_t cr2 = adcp->adc->CR2 & ADC_CR2_TSVREFE; + adcp->adc->CR2 = cr2; + adcp->adc->CR1 = 0; + adcp->adc->CR2 = cr2 | ADC_CR2_ADON; + + } +#endif /* STM32_ADC_USE_ADC */ +#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC + else if (adcp->sdadc != NULL) +#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */ +#if STM32_ADC_USE_SDADC + { + /* SDADC initial setup, starting the analog part here in order to reduce + the latency when starting a conversion.*/ + adcp->sdadc->CR2 = 0; + adcp->sdadc->CR1 = (adcp->config->cr1 | SDADC_ENFORCED_CR1_FLAGS) & + ~SDADC_FORBIDDEN_CR1_FLAGS; + adcp->sdadc->CONF0R = (adcp->sdadc->CONF0R & SDADC_CONFR_OFFSET_MASK) | + adcp->config->confxr[0]; + adcp->sdadc->CONF1R = (adcp->sdadc->CONF1R & SDADC_CONFR_OFFSET_MASK) | + adcp->config->confxr[1]; + adcp->sdadc->CONF2R = (adcp->sdadc->CONF2R & SDADC_CONFR_OFFSET_MASK) | + adcp->config->confxr[2]; + adcp->sdadc->CR2 = SDADC_CR2_ADON; + } +#endif /* STM32_ADC_USE_SDADC */ +#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC +else { + chDbgAssert(FALSE, "adc_lld_start(), #5", "invalid state"); + } +#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */ +} + +/** + * @brief ADC DMA ISR service routine. + * + * @param[in] adcp pointer to the @p ADCDriver object + * @param[in] flags pre-shifted content of the ISR register + * + * @notapi + */ +static void adc_lld_serve_dma_interrupt(ADCDriver *adcp, uint32_t flags) { + + /* DMA errors handling.*/ + if ((flags & (STM32_DMA_ISR_TEIF | STM32_DMA_ISR_DMEIF)) != 0) { + /* DMA, this could help only if the DMA tries to access an unmapped + address space or violates alignment rules.*/ + _adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE); + } + else { + /* It is possible that the conversion group has already be reset by the + ADC error handler, in this case this interrupt is spurious.*/ + if (adcp->grpp != NULL) { + if ((flags & STM32_DMA_ISR_HTIF) != 0) { + /* Half transfer processing.*/ + _adc_isr_half_code(adcp); + } + if ((flags & STM32_DMA_ISR_TCIF) != 0) { + /* Transfer complete processing.*/ + _adc_isr_full_code(adcp); + } + } + } +} + +#if STM32_ADC_USE_ADC || defined(__DOXYGEN__) +/** + * @brief ADC ISR service routine. + * + * @param[in] adcp pointer to the @p ADCDriver object + * @param[in] sr content of the ISR register + * + * @notapi + */ +static void adc_lld_serve_interrupt(ADCDriver *adcp, uint32_t sr) { + + /* It could be a spurious interrupt caused by overflows after DMA disabling, + just ignore it in this case.*/ + if (adcp->grpp != NULL) { + if (sr & ADC_SR_AWD) { + /* Analog watchdog error.*/ + _adc_isr_error_code(adcp, ADC_ERR_AWD1); + } + } +} +#endif /* STM32_ADC_USE_ADC */ + +#if STM32_ADC_USE_SDADC || defined(__DOXYGEN__) +/** + * @brief ADC ISR service routine. + * + * @param[in] adcp pointer to the @p ADCDriver object + * @param[in] isr content of the ISR register + * + * @notapi + */ +static void sdadc_lld_serve_interrupt(ADCDriver *adcp, uint32_t isr) { + + /* It could be a spurious interrupt caused by overflows after DMA disabling, + just ignore it in this case.*/ + if (adcp->grpp != NULL) { + /* Note, an overflow may occur after the conversion ended before the driver + is able to stop the ADC, this is why the DMA channel is checked too.*/ + if ((isr & SDADC_ISR_JOVRF) && + (dmaStreamGetTransactionSize(adcp->dmastp) > 0)) { + /* ADC overflow condition, this could happen only if the DMA is unable + to read data fast enough.*/ + _adc_isr_error_code(adcp, ADC_ERR_OVERFLOW); + } + } +} +#endif /* STM32_ADC_USE_SDADC */ + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__) +/** + * @brief ADC1 interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector88) { + uint32_t sr; + + CH_IRQ_PROLOGUE(); + + sr = ADC1->SR; + ADC1->SR = 0; + adc_lld_serve_interrupt(&ADCD1, sr); + + CH_IRQ_EPILOGUE(); +} +#endif /* STM32_ADC_USE_ADC1 */ + +#if STM32_ADC_USE_SDADC1 || defined(__DOXYGEN__) +/** + * @brief SDADC1 interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector134) { + uint32_t isr; + + CH_IRQ_PROLOGUE(); + + isr = SDADC1->ISR; + SDADC1->CLRISR = isr; + sdadc_lld_serve_interrupt(&SDADCD1, isr); + + CH_IRQ_EPILOGUE(); +} +#endif /* STM32_ADC_USE_SDADC1 */ + +#if STM32_ADC_USE_SDADC2 || defined(__DOXYGEN__) +/** + * @brief SDADC2 interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector138) { + uint32_t isr; + + CH_IRQ_PROLOGUE(); + + isr = SDADC2->ISR; + SDADC2->CLRISR = isr; + sdadc_lld_serve_interrupt(&SDADCD2, isr); + + CH_IRQ_EPILOGUE(); +} +#endif /* STM32_ADC_USE_SDADC2 */ + +#if STM32_ADC_USE_SDADC3 || defined(__DOXYGEN__) +/** + * @brief SDADC3 interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector13C) { + uint32_t isr; + + CH_IRQ_PROLOGUE(); + + isr = SDADC3->ISR; + SDADC3->CLRISR = isr; + sdadc_lld_serve_interrupt(&SDADCD3, isr); + + CH_IRQ_EPILOGUE(); +} +#endif /* STM32_ADC_USE_SDADC3 */ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level ADC driver initialization. + * + * @notapi + */ +void adc_lld_init(void) { + +#if STM32_ADC_USE_ADC1 + /* Driver initialization.*/ + adcObjectInit(&ADCD1); + ADCD1.adc = ADC1; +#if STM32_ADC_USE_SDADC + ADCD1.sdadc = NULL; +#endif + ADCD1.dmastp = STM32_DMA1_STREAM1; + ADCD1.dmamode = STM32_DMA_CR_CHSEL(ADC1_DMA_CHANNEL) | + STM32_DMA_CR_PL(STM32_ADC_ADC1_DMA_PRIORITY) | + STM32_DMA_CR_DIR_P2M | + STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD | + STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE | + STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE; + nvicEnableVector(ADC1_IRQn, CORTEX_PRIORITY_MASK(STM32_ADC_IRQ_PRIORITY)); +#endif + +#if STM32_ADC_USE_SDADC1 + /* Driver initialization.*/ + adcObjectInit(&SDADCD1); +#if STM32_ADC_USE_ADC + SDADCD1.adc = NULL; +#endif + SDADCD1.sdadc = SDADC1; + SDADCD1.dmastp = STM32_DMA2_STREAM3; + SDADCD1.dmamode = STM32_DMA_CR_CHSEL(SDADC1_DMA_CHANNEL) | + STM32_DMA_CR_PL(STM32_ADC_SDADC1_DMA_PRIORITY) | + STM32_DMA_CR_DIR_P2M | + STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD | + STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE | + STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE; + nvicEnableVector(SDADC1_IRQn, + CORTEX_PRIORITY_MASK(STM32_ADC_SDADC1_IRQ_PRIORITY)); +#endif + +#if STM32_ADC_USE_SDADC2 + /* Driver initialization.*/ + adcObjectInit(&SDADCD2); +#if STM32_ADC_USE_ADC + SDADCD2.adc = NULL; +#endif + SDADCD2.sdadc = SDADC2; + SDADCD2.dmastp = STM32_DMA2_STREAM4; + SDADCD2.dmamode = STM32_DMA_CR_CHSEL(SDADC2_DMA_CHANNEL) | + STM32_DMA_CR_PL(STM32_ADC_SDADC2_DMA_PRIORITY) | + STM32_DMA_CR_DIR_P2M | + STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD | + STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE | + STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE; + nvicEnableVector(SDADC2_IRQn, + CORTEX_PRIORITY_MASK(STM32_ADC_SDADC2_IRQ_PRIORITY)); +#endif + +#if STM32_ADC_USE_SDADC3 + /* Driver initialization.*/ + adcObjectInit(&SDADCD3); +#if STM32_ADC_USE_ADC + SDADCD3.adc = NULL; +#endif + SDADCD3.sdadc = SDADC3; + SDADCD3.dmastp = STM32_DMA2_STREAM5; + SDADCD3.dmamode = STM32_DMA_CR_CHSEL(SDADC3_DMA_CHANNEL) | + STM32_DMA_CR_PL(STM32_ADC_SDADC3_DMA_PRIORITY) | + STM32_DMA_CR_DIR_P2M | + STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD | + STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE | + STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE; + nvicEnableVector(SDADC3_IRQn, + CORTEX_PRIORITY_MASK(STM32_ADC_SDADC3_IRQ_PRIORITY)); +#endif +} + +/** + * @brief Configures and activates the ADC peripheral. + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @notapi + */ +void adc_lld_start(ADCDriver *adcp) { + + if (adcp->config == NULL) + adcp->config = &adc_lld_default_config; + + /* If in stopped state then enables the ADC and DMA clocks.*/ + if (adcp->state == ADC_STOP) { +#if STM32_ADC_USE_ADC1 + if (&ADCD1 == adcp) { + bool_t b; + b = dmaStreamAllocate(adcp->dmastp, + STM32_ADC_ADC1_DMA_IRQ_PRIORITY, + (stm32_dmaisr_t)adc_lld_serve_dma_interrupt, + (void *)adcp); + chDbgAssert(!b, "adc_lld_start(), #1", "stream already allocated"); + dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR); + rccEnableADC1(FALSE); + } +#endif /* STM32_ADC_USE_ADC1 */ + +#if STM32_ADC_USE_SDADC1 + if (&SDADCD1 == adcp) { + bool_t b = dmaStreamAllocate(adcp->dmastp, + STM32_ADC_SDADC1_DMA_IRQ_PRIORITY, + (stm32_dmaisr_t)adc_lld_serve_dma_interrupt, + (void *)adcp); + chDbgAssert(!b, "adc_lld_start(), #2", "stream already allocated"); + dmaStreamSetPeripheral(adcp->dmastp, &SDADC1->JDATAR); + rccEnableSDADC1(FALSE); + PWR->CR |= PWR_CR_SDADC1EN; + adcp->sdadc->CR2 = 0; + adcp->sdadc->CR1 = (adcp->config->cr1 | SDADC_ENFORCED_CR1_FLAGS) & + ~SDADC_FORBIDDEN_CR1_FLAGS; + adcp->sdadc->CR2 = SDADC_CR2_ADON; + } +#endif /* STM32_ADC_USE_SDADC1 */ + +#if STM32_ADC_USE_SDADC2 + if (&SDADCD2 == adcp) { + bool_t b = dmaStreamAllocate(adcp->dmastp, + STM32_ADC_SDADC2_DMA_IRQ_PRIORITY, + (stm32_dmaisr_t)adc_lld_serve_dma_interrupt, + (void *)adcp); + chDbgAssert(!b, "adc_lld_start(), #3", "stream already allocated"); + dmaStreamSetPeripheral(adcp->dmastp, &SDADC2->JDATAR); + rccEnableSDADC1(FALSE); + PWR->CR |= PWR_CR_SDADC2EN; + adcp->sdadc->CR2 = 0; + adcp->sdadc->CR1 = (adcp->config->cr1 | SDADC_ENFORCED_CR1_FLAGS) & + ~SDADC_FORBIDDEN_CR1_FLAGS; + adcp->sdadc->CR2 = SDADC_CR2_ADON; + } +#endif /* STM32_ADC_USE_SDADC2 */ + +#if STM32_ADC_USE_SDADC3 + if (&SDADCD3 == adcp) { + bool_t b = dmaStreamAllocate(adcp->dmastp, + STM32_ADC_SDADC3_DMA_IRQ_PRIORITY, + (stm32_dmaisr_t)adc_lld_serve_dma_interrupt, + (void *)adcp); + chDbgAssert(!b, "adc_lld_start(), #4", "stream already allocated"); + dmaStreamSetPeripheral(adcp->dmastp, &SDADC3->JDATAR); + rccEnableSDADC1(FALSE); + PWR->CR |= PWR_CR_SDADC3EN; + adcp->sdadc->CR2 = 0; + adcp->sdadc->CR1 = (adcp->config->cr1 | SDADC_ENFORCED_CR1_FLAGS) & + ~SDADC_FORBIDDEN_CR1_FLAGS; + adcp->sdadc->CR2 = SDADC_CR2_ADON; + } +#endif /* STM32_ADC_USE_SDADC3 */ + } + + adc_lld_reconfig(adcp); +} + +/** + * @brief Deactivates the ADC peripheral. + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @notapi + */ +void adc_lld_stop(ADCDriver *adcp) { + + /* If in ready state then disables the ADC clock.*/ + if (adcp->state == ADC_READY) { + dmaStreamRelease(adcp->dmastp); + +#if STM32_ADC_USE_ADC1 + if (&ADCD1 == adcp) { + adcp->adc->CR1 = 0; + adcp->adc->CR2 = 0; + rccDisableADC1(FALSE); + } +#endif + +#if STM32_ADC_USE_SDADC1 + if (&SDADCD1 == adcp) { + adcp->sdadc->CR1 = 0; + adcp->sdadc->CR2 = 0; + rccDisableSDADC1(FALSE); + PWR->CR &= ~PWR_CR_SDADC1EN; + } +#endif + +#if STM32_ADC_USE_SDADC2 + if (&SDADCD2 == adcp) { + adcp->sdadc->CR1 = 0; + adcp->sdadc->CR2 = 0; + rccDisableSDADC2(FALSE); + PWR->CR &= ~PWR_CR_SDADC2EN; + } +#endif + +#if STM32_ADC_USE_SDADC3 + if (&SDADCD3 == adcp) { + adcp->sdadc->CR1 = 0; + adcp->sdadc->CR2 = 0; + rccDisableSDADC3(FALSE); + PWR->CR &= ~PWR_CR_SDADC3EN; + } +#endif + } +} + +/** + * @brief Starts an ADC conversion. + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @notapi + */ +void adc_lld_start_conversion(ADCDriver *adcp) { + uint32_t mode; + const ADCConversionGroup* grpp = adcp->grpp; + + /* DMA setup.*/ + mode = adcp->dmamode; + if (grpp->circular) { + mode |= STM32_DMA_CR_CIRC; + } + if (adcp->depth > 1) { + /* If the buffer depth is greater than one then the half transfer interrupt + interrupt is enabled in order to allows streaming processing.*/ + mode |= STM32_DMA_CR_HTIE; + } + dmaStreamSetMemory0(adcp->dmastp, adcp->samples); + dmaStreamSetTransactionSize(adcp->dmastp, + (uint32_t)grpp->num_channels * + (uint32_t)adcp->depth); + dmaStreamSetMode(adcp->dmastp, mode); + dmaStreamEnable(adcp->dmastp); + +#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC + if (adcp->adc != NULL) +#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */ +#if STM32_ADC_USE_ADC + { + uint32_t cr2 = adcp->adc->CR2 & ADC_CR2_TSVREFE; + cr2 |= grpp->u.adc.cr2 | ADC_CR2_DMA | ADC_CR2_ADON; + if ((cr2 & ADC_CR2_SWSTART) != 0) + cr2 |= ADC_CR2_CONT; + adcp->adc->CR2 = cr2; + + /* ADC setup.*/ + adcp->adc->SR = 0; + adcp->adc->LTR = grpp->u.adc.ltr; + adcp->adc->HTR = grpp->u.adc.htr; + adcp->adc->SMPR1 = grpp->u.adc.smpr[0]; + adcp->adc->SMPR2 = grpp->u.adc.smpr[1]; + adcp->adc->SQR1 = grpp->u.adc.sqr[0] | + ADC_SQR1_NUM_CH(grpp->num_channels); + adcp->adc->SQR2 = grpp->u.adc.sqr[1]; + adcp->adc->SQR3 = grpp->u.adc.sqr[2]; + + /* ADC conversion start, the start is performed using the method + specified in the CR2 configuration, usually ADC_CR2_SWSTART.*/ + adcp->adc->CR1 = grpp->u.adc.cr1 | ADC_CR1_AWDIE | ADC_CR1_SCAN; + adcp->adc->CR2 = adcp->adc->CR2; /* Triggers the conversion start.*/ + } +#endif /* STM32_ADC_USE_ADC */ +#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC + else if (adcp->sdadc != NULL) +#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */ +#if STM32_ADC_USE_SDADC + { + uint32_t cr2 = (grpp->u.sdadc.cr2 & ~SDADC_FORBIDDEN_CR2_FLAGS) | + SDADC_CR2_ADON; + if ((grpp->u.sdadc.cr2 & SDADC_CR2_JSWSTART) != 0) + cr2 |= SDADC_CR2_JCONT; + + /* Entering initialization mode.*/ + adcp->sdadc->CR1 |= SDADC_CR1_INIT; + while ((adcp->sdadc->ISR & SDADC_ISR_INITRDY) == 0) + ; + + /* SDADC setup.*/ + adcp->sdadc->JCHGR = grpp->u.sdadc.jchgr; + adcp->sdadc->CONFCHR1 = grpp->u.sdadc.confchr[0]; + adcp->sdadc->CONFCHR2 = grpp->u.sdadc.confchr[1]; + + /* Leaving initialization mode.*/ + adcp->sdadc->CR1 &= ~SDADC_CR1_INIT; + + /* SDADC conversion start, the start is performed using the method + specified in the CR2 configuration, usually SDADC_CR2_JSWSTART.*/ + adcp->sdadc->CR2 = cr2; + } +#endif /* STM32_ADC_USE_SDADC */ +#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC + else { + chDbgAssert(FALSE, "adc_lld_start_conversion(), #1", "invalid state"); + } +#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */ +} + +/** + * @brief Stops an ongoing conversion. + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @notapi + */ +void adc_lld_stop_conversion(ADCDriver *adcp) { + + /* Disabling the associated DMA stream.*/ + dmaStreamDisable(adcp->dmastp); + + /* Stopping and restarting the whole ADC, apparently the only way to stop + a conversion.*/ + adc_lld_reconfig(adcp); +} + +/** + * @brief Calibrates an ADC unit. + * @note The calibration must be performed after calling @p adcStart(). + * @note For SDADC units it is assumed that the field SDADC_CR2_CALIBCNT + * has been + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @api + */ +void adcSTM32Calibrate(ADCDriver *adcp) { + + chDbgAssert((adcp->state == ADC_READY) || + (adcp->state == ADC_COMPLETE) || + (adcp->state == ADC_ERROR), + "adcSTM32Calibrate(), #1", "not ready"); + +#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC + if (adcp->adc != NULL) +#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */ +#if STM32_ADC_USE_ADC + { + /* Resetting calibration just to be safe.*/ + ADC1->CR2 = ADC_CR2_ADON | ADC_CR2_RSTCAL; + while ((ADC1->CR2 & ADC_CR2_RSTCAL) != 0) + ; + + /* Calibration.*/ + ADC1->CR2 = ADC_CR2_ADON | ADC_CR2_CAL; + while ((ADC1->CR2 & ADC_CR2_CAL) != 0) + ; + } +#endif /* STM32_ADC_USE_ADC */ +#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC + else if (adcp->sdadc != NULL) +#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */ +#if STM32_ADC_USE_SDADC + { + /* Selecting a full calibration in three steps.*/ + adcp->sdadc->CR2 = (adcp->sdadc->CR2 & ~SDADC_CR2_CALIBCNT) | + SDADC_CR2_CALIBCNT_1; + + /* Calibration.*/ + adcp->sdadc->CR2 |= SDADC_CR2_STARTCALIB; + while ((adcp->sdadc->ISR & SDADC_ISR_EOCALF) == 0) + ; + + /* Clearing the EOCALF flag.*/ + adcp->sdadc->CLRISR |= SDADC_ISR_CLREOCALF; + } +#endif /* STM32_ADC_USE_SDADC */ +#if STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC + else { + chDbgAssert(FALSE, "adcSTM32Calibrate(), #2", "invalid state"); + } +#endif /* STM32_ADC_USE_ADC && STM32_ADC_USE_SDADC */ +} + +#if STM32_ADC_USE_ADC || defined(__DOXYGEN__) +/** + * @brief Enables the TSVREFE bit. + * @details The TSVREFE bit is required in order to sample the internal + * temperature sensor and internal reference voltage. + * @note This is an STM32-only functionality. + * + * @api + */ +void adcSTM32EnableTSVREFE(void) { + + ADC1->CR2 |= ADC_CR2_TSVREFE; +} + +/** + * @brief Disables the TSVREFE bit. + * @details The TSVREFE bit is required in order to sample the internal + * temperature sensor and internal reference voltage. + * @note This is an STM32-only functionality. + * + * @api + */ +void adcSTM32DisableTSVREFE(void) { + + ADC1->CR2 &= ~ADC_CR2_TSVREFE; +} + +/** + * @brief Enables the VBATE bit. + * @details The VBATE bit is required in order to sample the VBAT channel. + * @note This is an STM32-only functionality. + * + * @api + */ +void adcSTM32EnableVBATE(void) { + + SYSCFG->CFGR1 |= SYSCFG_CFGR1_VBAT; +} + +/** + * @brief Disables the VBATE bit. + * @details The VBATE bit is required in order to sample the VBAT channel. + * @note This is an STM32-only functionality. + * + * @api + */ +void adcSTM32DisableVBATE(void) { + + SYSCFG->CFGR1 &= ~SYSCFG_CFGR1_VBAT; +} +#endif /* STM32_ADC_USE_ADC */ + +#endif /* HAL_USE_ADC */ + +/** @} */ diff --git a/os/hal/ports/STM32F37x/adc_lld.h b/os/hal/ports/STM32F37x/adc_lld.h new file mode 100644 index 000000000..2258952b1 --- /dev/null +++ b/os/hal/ports/STM32F37x/adc_lld.h @@ -0,0 +1,711 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F37x/adc_lld.h + * @brief STM32F37x ADC subsystem low level driver header. + * + * @addtogroup ADC + * @{ + */ + +#ifndef _ADC_LLD_H_ +#define _ADC_LLD_H_ + +#if HAL_USE_ADC || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @name Triggers selection + * @{ + */ +#define ADC_CR2_EXTSEL_SRC(n) ((n) << 24) /**< @brief Trigger source. */ +/** @} */ + +/** + * @name ADC clock divider settings + * @{ + */ +#define ADC_CCR_ADCPRE_DIV2 0 +#define ADC_CCR_ADCPRE_DIV4 1 +#define ADC_CCR_ADCPRE_DIV6 2 +#define ADC_CCR_ADCPRE_DIV8 3 +/** @} */ + +/** + * @name Available analog channels + * @{ + */ +#define ADC_CHANNEL_IN0 0 /**< @brief External analog input 0. */ +#define ADC_CHANNEL_IN1 1 /**< @brief External analog input 1. */ +#define ADC_CHANNEL_IN2 2 /**< @brief External analog input 2. */ +#define ADC_CHANNEL_IN3 3 /**< @brief External analog input 3. */ +#define ADC_CHANNEL_IN4 4 /**< @brief External analog input 4. */ +#define ADC_CHANNEL_IN5 5 /**< @brief External analog input 5. */ +#define ADC_CHANNEL_IN6 6 /**< @brief External analog input 6. */ +#define ADC_CHANNEL_IN7 7 /**< @brief External analog input 7. */ +#define ADC_CHANNEL_IN8 8 /**< @brief External analog input 8. */ +#define ADC_CHANNEL_IN9 9 /**< @brief External analog input 9. */ +#define ADC_CHANNEL_IN10 10 /**< @brief External analog input 10. */ +#define ADC_CHANNEL_IN11 11 /**< @brief External analog input 11. */ +#define ADC_CHANNEL_IN12 12 /**< @brief External analog input 12. */ +#define ADC_CHANNEL_IN13 13 /**< @brief External analog input 13. */ +#define ADC_CHANNEL_IN14 14 /**< @brief External analog input 14. */ +#define ADC_CHANNEL_IN15 15 /**< @brief External analog input 15. */ +#define ADC_CHANNEL_SENSOR 16 /**< @brief Internal temperature sensor.*/ +#define ADC_CHANNEL_VREFINT 17 /**< @brief Internal reference. */ +#define ADC_CHANNEL_VBAT 18 /**< @brief VBAT. */ +/** @} */ + +/** + * @name Sampling rates + * @{ + */ +#define ADC_SAMPLE_1P5 0 /**< @brief 1.5 cycles sampling time. */ +#define ADC_SAMPLE_7P5 1 /**< @brief 7.5 cycles sampling time. */ +#define ADC_SAMPLE_13P5 2 /**< @brief 13.5 cycles sampling time. */ +#define ADC_SAMPLE_28P5 3 /**< @brief 28.5 cycles sampling time. */ +#define ADC_SAMPLE_41P5 4 /**< @brief 41.5 cycles sampling time. */ +#define ADC_SAMPLE_55P5 5 /**< @brief 55.5 cycles sampling time. */ +#define ADC_SAMPLE_71P5 6 /**< @brief 71.5 cycles sampling time. */ +#define ADC_SAMPLE_239P5 7 /**< @brief 239.5 cycles sampling time. */ +/** @} */ + +/** + * @name SDADC JCHGR bit definitions + * @{ + */ +#define SDADC_JCHG_MASK (511U << 0) +#define SDADC_JCHG(n) (1U << (n)) +/** @} */ + +/** + * @name SDADC channels definitions + * @{ + */ +#define SDADC_CHANNEL_0 SDADC_JCHG(0) +#define SDADC_CHANNEL_1 SDADC_JCHG(1) +#define SDADC_CHANNEL_2 SDADC_JCHG(2) +#define SDADC_CHANNEL_3 SDADC_JCHG(3) +#define SDADC_CHANNEL_4 SDADC_JCHG(4) +#define SDADC_CHANNEL_5 SDADC_JCHG(5) +#define SDADC_CHANNEL_6 SDADC_JCHG(6) +#define SDADC_CHANNEL_7 SDADC_JCHG(7) +#define SDADC_CHANNEL_8 SDADC_JCHG(8) +#define SDADC_CHANNEL_9 SDADC_JCHG(9) +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief ADC1 driver enable switch. + * @details If set to @p TRUE the support for ADC1 is included. + */ +#if !defined(STM32_ADC_USE_ADC1) || defined(__DOXYGEN__) +#define STM32_ADC_USE_ADC1 FALSE +#endif + +/** + * @brief SDADC1 driver enable switch. + * @details If set to @p TRUE the support for SDADC1 is included. + */ +#if !defined(STM32_ADC_USE_SDADC1) || defined(__DOXYGEN__) +#define STM32_ADC_USE_SDADC1 FALSE +#endif + +/** + * @brief SDADC2 driver enable switch. + * @details If set to @p TRUE the support for SDADC2 is included. + */ +#if !defined(STM32_ADC_USE_SDADC2) || defined(__DOXYGEN__) +#define STM32_ADC_USE_SDADC2 FALSE +#endif + +/** + * @brief SDADC3 driver enable switch. + * @details If set to @p TRUE the support for SDADC3 is included. + */ +#if !defined(STM32_ADC_USE_SDADC3) || defined(__DOXYGEN__) +#define STM32_ADC_USE_SDADC3 FALSE +#endif + +/** + * @brief ADC1 DMA priority (0..3|lowest..highest). + */ +#if !defined(STM32_ADC_ADC1_DMA_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_ADC1_DMA_PRIORITY 2 +#endif + +/** + * @brief SDADC1 DMA priority (0..3|lowest..highest). + */ +#if !defined(STM32_ADC_SDADC1_DMA_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_SDADC1_DMA_PRIORITY 2 +#endif + +/** + * @brief SDADC2 DMA priority (0..3|lowest..highest). + */ +#if !defined(STM32_ADC_SDADC2_DMA_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_SDADC2_DMA_PRIORITY 2 +#endif + +/** + * @brief SDADC3 DMA priority (0..3|lowest..highest). + */ +#if !defined(STM32_ADC_SDADC3_DMA_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_SDADC3_DMA_PRIORITY 2 +#endif + +/** + * @brief ADC interrupt priority level setting. + */ +#if !defined(STM32_ADC_ADC1_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_ADC1_IRQ_PRIORITY 5 +#endif + +/** + * @brief ADC DMA interrupt priority level setting. + */ +#if !defined(STM32_ADC_ADC1_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 5 +#endif + +/** + * @brief SDADC1 interrupt priority level setting. + */ +#if !defined(STM32_ADC_SDADC1_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_SDADC1_IRQ_PRIORITY 5 +#endif + +/** + * @brief SDADC2 interrupt priority level setting. + */ +#if !defined(STM32_ADC_SDADC2_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_SDADC2_IRQ_PRIORITY 5 +#endif + +/** + * @brief SDADC3 interrupt priority level setting. + */ +#if !defined(STM32_ADC_SDADC3_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_SDADC3_IRQ_PRIORITY 5 +#endif + +/** + * @brief SDADC1 DMA interrupt priority level setting. + */ +#if !defined(STM32_ADC_SDADC1_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_SDADC1_DMA_IRQ_PRIORITY 5 +#endif + +/** + * @brief SDADC2 DMA interrupt priority level setting. + */ +#if !defined(STM32_ADC_SDADC2_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_SDADC2_DMA_IRQ_PRIORITY 5 +#endif + +/** + * @brief SDADC3 DMA interrupt priority level setting. + */ +#if !defined(STM32_ADC_SDADC3_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_SDADC3_DMA_IRQ_PRIORITY 5 +#endif +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/** + * @brief At least an ADC unit is in use. + */ +#define STM32_ADC_USE_ADC STM32_ADC_USE_ADC1 + +/** + * @brief At least an SDADC unit is in use. + */ +#define STM32_ADC_USE_SDADC (STM32_ADC_USE_SDADC1 || \ + STM32_ADC_USE_SDADC2 || \ + STM32_ADC_USE_SDADC3) + +#if STM32_ADC_USE_ADC1 && !STM32_HAS_ADC1 +#error "ADC1 not present in the selected device" +#endif + +#if STM32_ADC_USE_SDADC1 && !STM32_HAS_SDADC1 +#error "SDADC1 not present in the selected device" +#endif + +#if STM32_ADC_USE_SDADC2 && !STM32_HAS_SDADC2 +#error "SDADC2 not present in the selected device" +#endif + +#if STM32_ADC_USE_SDADC3 && !STM32_HAS_SDADC3 +#error "SDADC3 not present in the selected device" +#endif + +#if !STM32_ADC_USE_ADC && !STM32_ADC_USE_SDADC +#error "ADC driver activated but no ADC/SDADC peripheral assigned" +#endif + +#if STM32_ADC_USE_ADC1 && \ + !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC1_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to ADC1" +#endif + +#if STM32_ADC_USE_ADC1 && \ + !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC1_DMA_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to ADC1 DMA" +#endif + +#if STM32_ADC_USE_ADC1 && \ + !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC1_DMA_PRIORITY) +#error "Invalid DMA priority assigned to ADC1" +#endif + +#if STM32_ADC_USE_SDADC1 && \ + !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_SDADC1_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to SDADC1" +#endif + +#if STM32_ADC_USE_SDADC1 && \ + !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_SDADC1_DMA_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to SDADC1 DMA" +#endif + +#if STM32_ADC_USE_SDADC1 && \ + !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_SDADC1_DMA_PRIORITY) +#error "Invalid DMA priority assigned to SDADC1" +#endif + +#if STM32_ADC_USE_SDADC2 && \ + !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_SDADC2_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to SDADC2" +#endif + +#if STM32_ADC_USE_SDADC2 && \ + !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_SDADC2_DMA_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to SDADC2 DMA" +#endif + +#if STM32_ADC_USE_SDADC2 && \ + !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_SDADC2_DMA_PRIORITY) +#error "Invalid DMA priority assigned to SDADC2" +#endif + +#if STM32_ADC_USE_SDADC3 && \ + !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_SDADC3_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to SDADC3" +#endif + +#if STM32_ADC_USE_SDADC3 && \ + !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_SDADC3_DMA_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to SDADC3 DMA" +#endif + +#if STM32_ADC_USE_SDADC3 && \ + !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_SDADC3_DMA_PRIORITY) +#error "Invalid DMA priority assigned to SDADC3" +#endif + +#if !defined(STM32_DMA_REQUIRED) +#define STM32_DMA_REQUIRED +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief ADC sample data type. + */ +typedef uint16_t adcsample_t; + +/** + * @brief Channels number in a conversion group. + */ +typedef uint16_t adc_channels_num_t; + +/** + * @brief Possible ADC failure causes. + * @note Error codes are architecture dependent and should not relied + * upon. + */ +typedef enum { + ADC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */ + ADC_ERR_OVERFLOW = 1, /**< ADC overflow condition. */ + ADC_ERR_AWD1 = 2 /**< Watchdog 1 triggered. */ +} adcerror_t; + +/** + * @brief Type of a structure representing an ADC driver. + */ +typedef struct ADCDriver ADCDriver; + +/** + * @brief ADC notification callback type. + * + * @param[in] adcp pointer to the @p ADCDriver object triggering the + * callback + * @param[in] buffer pointer to the most recent samples data + * @param[in] n number of buffer rows available starting from @p buffer + */ +typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n); + +/** + * @brief ADC error callback type. + * + * @param[in] adcp pointer to the @p ADCDriver object triggering the + * callback + * @param[in] err ADC error code + */ +typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err); + +/** + * @brief Conversion group configuration structure. + * @details This implementation-dependent structure describes a conversion + * operation. + * @note The use of this configuration structure requires knowledge of + * STM32 ADC cell registers interface, please refer to the STM32 + * reference manual for details. + */ +typedef struct { + /** + * @brief Enables the circular buffer mode for the group. + */ + bool_t circular; + /** + * @brief Number of the analog channels belonging to the conversion group. + */ + adc_channels_num_t num_channels; + /** + * @brief Callback function associated to the group or @p NULL. + */ + adccallback_t end_cb; + /** + * @brief Error callback or @p NULL. + */ + adcerrorcallback_t error_cb; + /* End of the mandatory fields.*/ + + /** + * @brief Union of ADC and SDADC config parms. The decision of which struct + * union to use is determined by the ADCDriver. If the ADCDriver adc parm + * is not NULL, then use the adc struct, otherwise if the ADCDriver sdadc parm + * is not NULL, then use the sdadc struct. + */ + union { +#if STM32_ADC_USE_ADC || defined(__DOXYGEN__) + struct { + /** + * @brief ADC CR1 register initialization data. + * @note All the required bits must be defined into this field except + * @p ADC_CR1_SCAN that is enforced inside the driver. + */ + uint32_t cr1; + /** + * @brief ADC CR2 register initialization data. + * @note All the required bits must be defined into this field except + * @p ADC_CR2_DMA, @p ADC_CR2_CONT and @p ADC_CR2_ADON that are + * enforced inside the driver. + */ + uint32_t cr2; + /** + * @brief ADC LTR register initialization data. + */ + uint32_t ltr; + /** + * @brief ADC HTR register initialization data. + */ + uint32_t htr; + /** + * @brief ADC SMPRx registers initialization data. + */ + uint32_t smpr[2]; + /** + * @brief ADC SQRx register initialization data. + */ + uint32_t sqr[3]; + } adc; +#endif /* STM32_ADC_USE_ADC */ +#if STM32_ADC_USE_SDADC || defined(__DOXYGEN__) + struct { + /** + * @brief SDADC CR2 register initialization data. + * @note Only the @p SDADC_CR2_JSWSTART, @p SDADC_CR2_JEXTSEL + * and @p SDADC_CR2_JEXTEN can be specified in this field. + */ + uint32_t cr2; + /** + * @brief SDADC JCHGR register initialization data. + */ + uint32_t jchgr; + /** + * @brief SDADC CONFCHxR registers initialization data. + */ + uint32_t confchr[2]; + } sdadc; +#endif /* STM32_ADC_USE_SDADC */ + } u; +} ADCConversionGroup; + +/** + * @brief Driver configuration structure. + * @note It could be empty on some architectures. + */ +typedef struct { +#if STM32_ADC_USE_SDADC + /** + * @brief SDADC CR1 register initialization data. + */ + uint32_t cr1; + /** + * @brief SDADC CONFxR registers initialization data. + */ + uint32_t confxr[3]; +#else /* !STM32_ADC_USE_SDADC */ + uint32_t dummy; +#endif /* !STM32_ADC_USE_SDADC */ +} ADCConfig; + +/** + * @brief Structure representing an ADC driver. + */ +struct ADCDriver { + /** + * @brief Driver state. + */ + adcstate_t state; + /** + * @brief Current configuration data. + */ + const ADCConfig *config; + /** + * @brief Current samples buffer pointer or @p NULL. + */ + adcsample_t *samples; + /** + * @brief Current samples buffer depth or @p 0. + */ + size_t depth; + /** + * @brief Current conversion group pointer or @p NULL. + */ + const ADCConversionGroup *grpp; + +#if ADC_USE_WAIT || defined(__DOXYGEN__) + /** + * @brief Waiting thread. + */ + Thread *thread; +#endif +#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__) +#if CH_USE_MUTEXES || defined(__DOXYGEN__) + /** + * @brief Mutex protecting the peripheral. + */ + Mutex mutex; +#elif CH_USE_SEMAPHORES + Semaphore semaphore; +#endif +#endif /* ADC_USE_MUTUAL_EXCLUSION */ +#if defined(ADC_DRIVER_EXT_FIELDS) + ADC_DRIVER_EXT_FIELDS +#endif + /* End of the mandatory fields.*/ +#if STM32_ADC_USE_ADC || defined(__DOXYGEN__) + /** + * @brief Pointer to the ADCx registers block. + */ + ADC_TypeDef *adc; +#endif +#if STM32_ADC_USE_SDADC || defined(__DOXYGEN__) + /** + * @brief Pointer to the SDADCx registers block. + */ + SDADC_TypeDef *sdadc; +#endif + /** + * @brief Pointer to associated DMA channel. + */ + const stm32_dma_stream_t *dmastp; + /** + * @brief DMA mode bit mask. + */ + uint32_t dmamode; +}; + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @name Sequences building helper macros for ADC + * @{ + */ +/** + * @brief Number of channels in a conversion sequence. + */ +#define ADC_SQR1_NUM_CH(n) (((n) - 1) << 20) +#define ADC_SQR1_SQ13_N(n) ((n) << 0) /**< @brief 13th channel in seq.*/ +#define ADC_SQR1_SQ14_N(n) ((n) << 5) /**< @brief 14th channel in seq.*/ +#define ADC_SQR1_SQ15_N(n) ((n) << 10) /**< @brief 15th channel in seq.*/ +#define ADC_SQR1_SQ16_N(n) ((n) << 15) /**< @brief 16th channel in seq.*/ + +#define ADC_SQR2_SQ7_N(n) ((n) << 0) /**< @brief 7th channel in seq. */ +#define ADC_SQR2_SQ8_N(n) ((n) << 5) /**< @brief 8th channel in seq. */ +#define ADC_SQR2_SQ9_N(n) ((n) << 10) /**< @brief 9th channel in seq. */ +#define ADC_SQR2_SQ10_N(n) ((n) << 15) /**< @brief 10th channel in seq.*/ +#define ADC_SQR2_SQ11_N(n) ((n) << 20) /**< @brief 11th channel in seq.*/ +#define ADC_SQR2_SQ12_N(n) ((n) << 25) /**< @brief 12th channel in seq.*/ + +#define ADC_SQR3_SQ1_N(n) ((n) << 0) /**< @brief 1st channel in seq. */ +#define ADC_SQR3_SQ2_N(n) ((n) << 5) /**< @brief 2nd channel in seq. */ +#define ADC_SQR3_SQ3_N(n) ((n) << 10) /**< @brief 3rd channel in seq. */ +#define ADC_SQR3_SQ4_N(n) ((n) << 15) /**< @brief 4th channel in seq. */ +#define ADC_SQR3_SQ5_N(n) ((n) << 20) /**< @brief 5th channel in seq. */ +#define ADC_SQR3_SQ6_N(n) ((n) << 25) /**< @brief 6th channel in seq. */ +/** @} */ + +/** + * @name Sampling rate settings helper macros + * @{ + */ +#define ADC_SMPR2_SMP_AN0(n) ((n) << 0) /**< @brief AN0 sampling time. */ +#define ADC_SMPR2_SMP_AN1(n) ((n) << 3) /**< @brief AN1 sampling time. */ +#define ADC_SMPR2_SMP_AN2(n) ((n) << 6) /**< @brief AN2 sampling time. */ +#define ADC_SMPR2_SMP_AN3(n) ((n) << 9) /**< @brief AN3 sampling time. */ +#define ADC_SMPR2_SMP_AN4(n) ((n) << 12) /**< @brief AN4 sampling time. */ +#define ADC_SMPR2_SMP_AN5(n) ((n) << 15) /**< @brief AN5 sampling time. */ +#define ADC_SMPR2_SMP_AN6(n) ((n) << 18) /**< @brief AN6 sampling time. */ +#define ADC_SMPR2_SMP_AN7(n) ((n) << 21) /**< @brief AN7 sampling time. */ +#define ADC_SMPR2_SMP_AN8(n) ((n) << 24) /**< @brief AN8 sampling time. */ +#define ADC_SMPR2_SMP_AN9(n) ((n) << 27) /**< @brief AN9 sampling time. */ + +#define ADC_SMPR1_SMP_AN10(n) ((n) << 0) /**< @brief AN10 sampling time. */ +#define ADC_SMPR1_SMP_AN11(n) ((n) << 3) /**< @brief AN11 sampling time. */ +#define ADC_SMPR1_SMP_AN12(n) ((n) << 6) /**< @brief AN12 sampling time. */ +#define ADC_SMPR1_SMP_AN13(n) ((n) << 9) /**< @brief AN13 sampling time. */ +#define ADC_SMPR1_SMP_AN14(n) ((n) << 12) /**< @brief AN14 sampling time. */ +#define ADC_SMPR1_SMP_AN15(n) ((n) << 15) /**< @brief AN15 sampling time. */ +#define ADC_SMPR1_SMP_SENSOR(n) ((n) << 18) /**< @brief Temperature Sensor + sampling time. */ +#define ADC_SMPR1_SMP_VREF(n) ((n) << 21) /**< @brief Voltage Reference + sampling time. */ +#define ADC_SMPR1_SMP_VBAT(n) ((n) << 24) /**< @brief VBAT sampling time. */ +/** @} */ + +/** + * @name Sequences building helper macros for SDADC + * @{ + */ +#define SDADC_JCHGR_CH(n) (1U << (n)) +/** @} */ + +/** + * @name Channel configuration number helper macros for SDADC + * @{ + */ +#define SDADC_CONFCHR1_CH0(n) ((n) << 0) +#define SDADC_CONFCHR1_CH1(n) ((n) << 4) +#define SDADC_CONFCHR1_CH2(n) ((n) << 8) +#define SDADC_CONFCHR1_CH3(n) ((n) << 12) +#define SDADC_CONFCHR1_CH4(n) ((n) << 16) +#define SDADC_CONFCHR1_CH5(n) ((n) << 20) +#define SDADC_CONFCHR1_CH6(n) ((n) << 24) +#define SDADC_CONFCHR1_CH7(n) ((n) << 28) +#define SDADC_CONFCHR2_CH8(n) ((n) << 0) +/** @} */ + +/** + * @name Configuration registers helper macros for SDADC + * @{ + */ +#define SDADC_CONFR_OFFSET_MASK (0xFFFU << 0) +#define SDADC_CONFR_OFFSET(n) ((n) << 0) +#define SDADC_CONFR_GAIN_MASK (7U << 20) +#define SDADC_CONFR_GAIN_1X (0U << 20) +#define SDADC_CONFR_GAIN_2X (1U << 20) +#define SDADC_CONFR_GAIN_4X (2U << 20) +#define SDADC_CONFR_GAIN_8X (3U << 20) +#define SDADC_CONFR_GAIN_16X (4U << 20) +#define SDADC_CONFR_GAIN_32X (5U << 20) +#define SDADC_CONFR_GAIN_0P5X (7U << 20) +#define SDADC_CONFR_SE_MASK (3U << 26) +#define SDADC_CONFR_SE_DIFF (0U << 26) +#define SDADC_CONFR_SE_OFFSET (1U << 26) +#define SDADC_CONFR_SE_ZERO_VOLT (3U << 26) +#define SDADC_CONFR_COMMON_MASK (3U << 30) +#define SDADC_CONFR_COMMON_VSSSD (0U << 30) +#define SDADC_CONFR_COMMON_VDDSD2 (1U << 30) +#define SDADC_CONFR_COMMON_VDDSD (2U << 30) +/** @} */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#if STM32_ADC_USE_ADC1 && !defined(__DOXYGEN__) +extern ADCDriver ADCD1; +#endif + +#if STM32_ADC_USE_SDADC1 && !defined(__DOXYGEN__) +extern ADCDriver SDADCD1; +#endif + +#if STM32_ADC_USE_SDADC2 && !defined(__DOXYGEN__) +extern ADCDriver SDADCD2; +#endif + +#if STM32_ADC_USE_SDADC3 && !defined(__DOXYGEN__) +extern ADCDriver SDADCD3; +#endif + +#ifdef __cplusplus +extern "C" { +#endif + void adc_lld_init(void); + void adc_lld_start(ADCDriver *adcp); + void adc_lld_stop(ADCDriver *adcp); + void adc_lld_start_conversion(ADCDriver *adcp); + void adc_lld_stop_conversion(ADCDriver *adcp); + void adcSTM32Calibrate(ADCDriver *adcdp); +#if STM32_ADC_USE_ADC + void adcSTM32EnableTSVREFE(void); + void adcSTM32DisableTSVREFE(void); + void adcSTM32EnableVBATE(void); + void adcSTM32DisableVBATE(void); +#endif /* STM32_ADC_USE_ADC */ +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_ADC */ + +#endif /* _ADC_LLD_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32F37x/ext_lld_isr.c b/os/hal/ports/STM32F37x/ext_lld_isr.c new file mode 100644 index 000000000..f43f3aecb --- /dev/null +++ b/os/hal/ports/STM32F37x/ext_lld_isr.c @@ -0,0 +1,366 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F37x/ext_lld_isr.c + * @brief STM32F37x EXT subsystem low level driver ISR code. + * + * @addtogroup EXT + * @{ + */ + +#include "ch.h" +#include "hal.h" + +#if HAL_USE_EXT || defined(__DOXYGEN__) + +#include "ext_lld_isr.h" + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +#if !defined(STM32_DISABLE_EXTI0_HANDLER) +/** + * @brief EXTI[0] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector58) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 0); + EXTD1.config->channels[0].cb(&EXTD1, 0); + + CH_IRQ_EPILOGUE(); +} +#endif + +#if !defined(STM32_DISABLE_EXTI1_HANDLER) +/** + * @brief EXTI[1] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector5C) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 1); + EXTD1.config->channels[1].cb(&EXTD1, 1); + + CH_IRQ_EPILOGUE(); +} +#endif + +#if !defined(STM32_DISABLE_EXTI2_HANDLER) +/** + * @brief EXTI[2] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector60) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 2); + EXTD1.config->channels[2].cb(&EXTD1, 2); + + CH_IRQ_EPILOGUE(); +} +#endif + +#if !defined(STM32_DISABLE_EXTI3_HANDLER) +/** + * @brief EXTI[3] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector64) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 3); + EXTD1.config->channels[3].cb(&EXTD1, 3); + + CH_IRQ_EPILOGUE(); +} +#endif + +#if !defined(STM32_DISABLE_EXTI4_HANDLER) +/** + * @brief EXTI[4] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector68) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 4); + EXTD1.config->channels[4].cb(&EXTD1, 4); + + CH_IRQ_EPILOGUE(); +} +#endif + +#if !defined(STM32_DISABLE_EXTI5_9_HANDLER) +/** + * @brief EXTI[5]...EXTI[9] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector9C) { + uint32_t pr; + + CH_IRQ_PROLOGUE(); + + pr = EXTI->PR & ((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9)); + EXTI->PR = pr; + if (pr & (1 << 5)) + EXTD1.config->channels[5].cb(&EXTD1, 5); + if (pr & (1 << 6)) + EXTD1.config->channels[6].cb(&EXTD1, 6); + if (pr & (1 << 7)) + EXTD1.config->channels[7].cb(&EXTD1, 7); + if (pr & (1 << 8)) + EXTD1.config->channels[8].cb(&EXTD1, 8); + if (pr & (1 << 9)) + EXTD1.config->channels[9].cb(&EXTD1, 9); + + CH_IRQ_EPILOGUE(); +} +#endif + +#if !defined(STM32_DISABLE_EXTI10_15_HANDLER) +/** + * @brief EXTI[10]...EXTI[15] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(VectorE0) { + uint32_t pr; + + CH_IRQ_PROLOGUE(); + + pr = EXTI->PR & ((1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14) | + (1 << 15)); + EXTI->PR = pr; + if (pr & (1 << 10)) + EXTD1.config->channels[10].cb(&EXTD1, 10); + if (pr & (1 << 11)) + EXTD1.config->channels[11].cb(&EXTD1, 11); + if (pr & (1 << 12)) + EXTD1.config->channels[12].cb(&EXTD1, 12); + if (pr & (1 << 13)) + EXTD1.config->channels[13].cb(&EXTD1, 13); + if (pr & (1 << 14)) + EXTD1.config->channels[14].cb(&EXTD1, 14); + if (pr & (1 << 15)) + EXTD1.config->channels[15].cb(&EXTD1, 15); + + CH_IRQ_EPILOGUE(); +} +#endif + +#if !defined(STM32_DISABLE_EXTI16_HANDLER) +/** + * @brief EXTI[16] interrupt handler (PVD). + * + * @isr + */ +CH_IRQ_HANDLER(Vector44) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 16); + EXTD1.config->channels[16].cb(&EXTD1, 16); + + CH_IRQ_EPILOGUE(); +} +#endif + +#if !defined(STM32_DISABLE_EXTI17_HANDLER) +/** + * @brief EXTI[17] interrupt handler (RTC Alarm). + * + * @isr + */ +CH_IRQ_HANDLER(VectorE4) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 17); + EXTD1.config->channels[17].cb(&EXTD1, 17); + + CH_IRQ_EPILOGUE(); +} +#endif + +#if !defined(STM32_DISABLE_EXTI18_HANDLER) +/** + * @brief EXTI[18] interrupt handler (USB Wakeup). + * + * @isr + */ +CH_IRQ_HANDLER(VectorE8) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 18); + EXTD1.config->channels[18].cb(&EXTD1, 18); + + CH_IRQ_EPILOGUE(); +} +#endif + +#if !defined(STM32_DISABLE_EXTI19_HANDLER) +/** + * @brief EXTI[19] interrupt handler (Tamper TimeStamp). + * + * @isr + */ +CH_IRQ_HANDLER(Vector48) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 19); + EXTD1.config->channels[19].cb(&EXTD1, 19); + + CH_IRQ_EPILOGUE(); +} +#endif + +#if !defined(STM32_DISABLE_EXTI20_HANDLER) +/** + * @brief EXTI[20] interrupt handler (RTC Wakeup). + * + * @isr + */ +CH_IRQ_HANDLER(Vector4C) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 20); + EXTD1.config->channels[20].cb(&EXTD1, 20); + + CH_IRQ_EPILOGUE(); +} +#endif + +#if !defined(STM32_DISABLE_EXTI21_22_HANDLER) +/** + * @brief EXTI[21]..EXTI[22] interrupt handler (COMP1, COMP2). + * + * @isr + */ +CH_IRQ_HANDLER(Vector140) { + uint32_t pr; + + CH_IRQ_PROLOGUE(); + + pr = EXTI->PR & ((1 << 21) | (1 << 22)); + EXTI->PR = pr; + if (pr & (1 << 21)) + EXTD1.config->channels[21].cb(&EXTD1, 21); + if (pr & (1 << 22)) + EXTD1.config->channels[22].cb(&EXTD1, 22); + + CH_IRQ_EPILOGUE(); +} +#endif + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Enables EXTI IRQ sources. + * + * @notapi + */ +void ext_lld_exti_irq_enable(void) { + + nvicEnableVector(EXTI0_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI0_IRQ_PRIORITY)); + nvicEnableVector(EXTI1_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI1_IRQ_PRIORITY)); + nvicEnableVector(EXTI2_TS_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI2_IRQ_PRIORITY)); + nvicEnableVector(EXTI3_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI3_IRQ_PRIORITY)); + nvicEnableVector(EXTI4_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI4_IRQ_PRIORITY)); + nvicEnableVector(EXTI9_5_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI5_9_IRQ_PRIORITY)); + nvicEnableVector(EXTI15_10_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI10_15_IRQ_PRIORITY)); + nvicEnableVector(PVD_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI16_IRQ_PRIORITY)); + nvicEnableVector(RTC_Alarm_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI17_IRQ_PRIORITY)); + nvicEnableVector(USBWakeUp_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI18_IRQ_PRIORITY)); + nvicEnableVector(TAMPER_STAMP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI19_IRQ_PRIORITY)); + nvicEnableVector(RTC_WKUP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI20_IRQ_PRIORITY)); + nvicEnableVector(COMP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI21_22_IRQ_PRIORITY)); +} + +/** + * @brief Disables EXTI IRQ sources. + * + * @notapi + */ +void ext_lld_exti_irq_disable(void) { + + nvicDisableVector(EXTI0_IRQn); + nvicDisableVector(EXTI1_IRQn); + nvicDisableVector(EXTI2_TS_IRQn); + nvicDisableVector(EXTI3_IRQn); + nvicDisableVector(EXTI4_IRQn); + nvicDisableVector(EXTI9_5_IRQn); + nvicDisableVector(EXTI15_10_IRQn); + nvicDisableVector(PVD_IRQn); + nvicDisableVector(RTC_Alarm_IRQn); + nvicDisableVector(USBWakeUp_IRQn); + nvicDisableVector(TAMPER_STAMP_IRQn); + nvicDisableVector(RTC_WKUP_IRQn); + nvicDisableVector(COMP_IRQn); +} + +#endif /* HAL_USE_EXT */ + +/** @} */ diff --git a/os/hal/ports/STM32F37x/ext_lld_isr.h b/os/hal/ports/STM32F37x/ext_lld_isr.h new file mode 100644 index 000000000..088012dc0 --- /dev/null +++ b/os/hal/ports/STM32F37x/ext_lld_isr.h @@ -0,0 +1,163 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F37x/ext_lld_isr.h + * @brief STM32F37x EXT subsystem low level driver ISR header. + * + * @addtogroup EXT + * @{ + */ + +#ifndef _EXT_LLD_ISR_H_ +#define _EXT_LLD_ISR_H_ + +#if HAL_USE_EXT || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief EXTI0 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI0_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI0_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI1 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI1_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI1_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI2 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI2_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI2_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI3 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI3_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI3_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI4 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI4_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI4_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI5..9 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI5_9_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI5_9_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI10..15 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI10_15_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI10_15_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI16 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI16_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI16_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI17 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI17_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI17_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI18 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI18_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI18_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI19 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI19_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI19_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI20 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI20_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI20_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI21..22 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI21_22_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI21_22_IRQ_PRIORITY 6 +#endif +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif + void ext_lld_exti_irq_enable(void); + void ext_lld_exti_irq_disable(void); +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_EXT */ + +#endif /* _EXT_LLD_ISR_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32F37x/hal_lld.c b/os/hal/ports/STM32F37x/hal_lld.c new file mode 100644 index 000000000..a47ab59fc --- /dev/null +++ b/os/hal/ports/STM32F37x/hal_lld.c @@ -0,0 +1,205 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F37x/hal_lld.c + * @brief STM32F37x HAL subsystem low level driver source. + * + * @addtogroup HAL + * @{ + */ + +#include "ch.h" +#include "hal.h" + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/** + * @brief Initializes the backup domain. + * @note WARNING! Changing clock source impossible without resetting + * of the whole BKP domain. + */ +static void hal_lld_backup_domain_init(void) { + + /* Backup domain access enabled and left open.*/ + PWR->CR |= PWR_CR_DBP; + + /* Reset BKP domain if different clock source selected.*/ + if ((RCC->BDCR & STM32_RTCSEL_MASK) != STM32_RTCSEL){ + /* Backup domain reset.*/ + RCC->BDCR = RCC_BDCR_BDRST; + RCC->BDCR = 0; + } + + /* If enabled then the LSE is started.*/ +#if STM32_LSE_ENABLED +#if defined(STM32_LSE_BYPASS) + /* LSE Bypass.*/ + RCC->BDCR = STM32_LSEDRV | RCC_BDCR_LSEON | RCC_BDCR_LSEBYP; +#else + /* No LSE Bypass.*/ + RCC->BDCR = STM32_LSEDRV | RCC_BDCR_LSEON; +#endif + while ((RCC->BDCR & RCC_BDCR_LSERDY) == 0) + ; /* Waits until LSE is stable. */ +#endif + +#if STM32_RTCSEL != STM32_RTCSEL_NOCLOCK + /* If the backup domain hasn't been initialized yet then proceed with + initialization.*/ + if ((RCC->BDCR & RCC_BDCR_RTCEN) == 0) { + /* Selects clock source.*/ + RCC->BDCR |= STM32_RTCSEL; + + /* RTC clock enabled.*/ + RCC->BDCR |= RCC_BDCR_RTCEN; + } +#endif /* STM32_RTCSEL != STM32_RTCSEL_NOCLOCK */ +} + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level HAL driver initialization. + * + * @notapi + */ +void hal_lld_init(void) { + + /* Reset of all peripherals.*/ + rccResetAPB1(0xFFFFFFFF); + rccResetAPB2(0xFFFFFFFF); + + /* SysTick initialization using the system clock.*/ + SysTick->LOAD = STM32_HCLK / CH_FREQUENCY - 1; + SysTick->VAL = 0; + SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | + SysTick_CTRL_ENABLE_Msk | + SysTick_CTRL_TICKINT_Msk; + + /* DWT cycle counter enable.*/ + SCS_DEMCR |= SCS_DEMCR_TRCENA; + DWT_CTRL |= DWT_CTRL_CYCCNTENA; + + /* PWR clock enabled.*/ + rccEnablePWRInterface(FALSE); + + /* Initializes the backup domain.*/ + hal_lld_backup_domain_init(); + +#if defined(STM32_DMA_REQUIRED) + dmaInit(); +#endif + + /* Programmable voltage detector enable.*/ +#if STM32_PVD_ENABLE + PWR->CR |= PWR_CR_PVDE | (STM32_PLS & STM32_PLS_MASK); +#endif /* STM32_PVD_ENABLE */ + + /* SYSCFG clock enabled here because it is a multi-functional unit shared + among multiple drivers.*/ + rccEnableAPB2(RCC_APB2ENR_SYSCFGEN, TRUE); +} + +/** + * @brief STM32 clocks and PLL initialization. + * @note All the involved constants come from the file @p board.h. + * @note This function should be invoked just after the system reset. + * + * @special + */ +void stm32_clock_init(void) { + +#if !STM32_NO_INIT + /* HSI setup, it enforces the reset situation in order to handle possible + problems with JTAG probes and re-initializations.*/ + RCC->CR |= RCC_CR_HSION; /* Make sure HSI is ON. */ + while (!(RCC->CR & RCC_CR_HSIRDY)) + ; /* Wait until HSI is stable. */ + RCC->CR &= RCC_CR_HSITRIM | RCC_CR_HSION; /* CR Reset value. */ + RCC->CFGR = 0; /* CFGR reset value. */ + while ((RCC->CFGR & RCC_CFGR_SWS) != RCC_CFGR_SWS_HSI) + ; /* Waits until HSI is selected. */ + +#if STM32_HSE_ENABLED + /* HSE activation.*/ +#if defined(STM32_HSE_BYPASS) + /* HSE Bypass.*/ + RCC->CR |= RCC_CR_HSEON | RCC_CR_HSEBYP; +#else + /* No HSE Bypass.*/ + RCC->CR |= RCC_CR_HSEON; +#endif + while (!(RCC->CR & RCC_CR_HSERDY)) + ; /* Waits until HSE is stable. */ +#endif + +#if STM32_LSI_ENABLED + /* LSI activation.*/ + RCC->CSR |= RCC_CSR_LSION; + while ((RCC->CSR & RCC_CSR_LSIRDY) == 0) + ; /* Waits until LSI is stable. */ +#endif + + /* Clock settings.*/ + RCC->CFGR = STM32_SDPRE | STM32_MCOSEL | STM32_USBPRE | + STM32_PLLMUL | STM32_PLLSRC | STM32_ADCPRE | + STM32_PPRE1 | STM32_PPRE2 | STM32_HPRE; + RCC->CFGR2 = STM32_PREDIV; + RCC->CFGR3 = STM32_USART3SW | STM32_USART2SW | STM32_I2C2SW | + STM32_I2C1SW | STM32_USART1SW; + +#if STM32_ACTIVATE_PLL + /* PLL activation.*/ + RCC->CR |= RCC_CR_PLLON; + while (!(RCC->CR & RCC_CR_PLLRDY)) + ; /* Waits until PLL is stable. */ +#endif + + /* Flash setup and final clock selection. */ + FLASH->ACR = STM32_FLASHBITS; + + /* Switching to the configured clock source if it is different from HSI.*/ +#if (STM32_SW != STM32_SW_HSI) + /* Switches clock source.*/ + RCC->CFGR |= STM32_SW; + while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2)) + ; /* Waits selection complete. */ +#endif +#endif /* !STM32_NO_INIT */ +} + +/** @} */ diff --git a/os/hal/ports/STM32F37x/hal_lld.h b/os/hal/ports/STM32F37x/hal_lld.h new file mode 100644 index 000000000..96659baf3 --- /dev/null +++ b/os/hal/ports/STM32F37x/hal_lld.h @@ -0,0 +1,1025 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F37x/hal_lld.h + * @brief STM32F37x HAL subsystem low level driver header. + * @pre This module requires the following macros to be defined in the + * @p board.h file: + * - STM32_LSECLK. + * - STM32_LSEDRV. + * - STM32_LSE_BYPASS (optionally). + * - STM32_HSECLK. + * - STM32_HSE_BYPASS (optionally). + * . + * One of the following macros must also be defined: + * - STM32F37X for Analog & DSP devices. + * . + * + * @addtogroup HAL + * @{ + */ + +#ifndef _HAL_LLD_H_ +#define _HAL_LLD_H_ + +#include "stm32.h" +#include "stm32_registry.h" + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @brief Defines the support for realtime counters in the HAL. + */ +#define HAL_IMPLEMENTS_COUNTERS TRUE + +/** + * @name Platform identification + * @{ + */ +#define PLATFORM_NAME "STM32F37x Analog & DSP" +/** @} */ + +/** + * @name Absolute Maximum Ratings + * @{ + */ +/** + * @brief Maximum system clock frequency. + */ +#define STM32_SYSCLK_MAX 72000000 + +/** + * @brief Maximum HSE clock frequency. + */ +#define STM32_HSECLK_MAX 32000000 + +/** + * @brief Minimum HSE clock frequency. + */ +#define STM32_HSECLK_MIN 1000000 + +/** + * @brief Maximum LSE clock frequency. + */ +#define STM32_LSECLK_MAX 1000000 + +/** + * @brief Minimum LSE clock frequency. + */ +#define STM32_LSECLK_MIN 32768 + +/** + * @brief Maximum PLLs input clock frequency. + */ +#define STM32_PLLIN_MAX 24000000 + +/** + * @brief Minimum PLLs input clock frequency. + */ +#define STM32_PLLIN_MIN 1000000 + +/** + * @brief Maximum PLL output clock frequency. + */ +#define STM32_PLLOUT_MAX 72000000 + +/** + * @brief Maximum PLL output clock frequency. + */ +#define STM32_PLLOUT_MIN 16000000 + +/** + * @brief Maximum APB1 clock frequency. + */ +#define STM32_PCLK1_MAX 36000000 + +/** + * @brief Maximum APB2 clock frequency. + */ +#define STM32_PCLK2_MAX 72000000 + +/** + * @brief Maximum ADC clock frequency. + */ +#define STM32_ADCCLK_MAX 14000000 + +/** + * @brief Minimum ADC clock frequency. + */ +#define STM32_ADCCLK_MIN 6000000 + +/** + * @brief Maximum SDADC clock frequency in fast mode. + */ +#define STM32_SDADCCLK_FAST_MAX 6000000 + +/** + * @brief Maximum SDADC clock frequency in slow mode. + */ +#define STM32_SDADCCLK_SLOW_MAX 1500000 + +/** + * @brief Minimum SDADC clock frequency. + */ +#define STM32_SDADCCLK_MIN 500000 +/** @} */ + +/** + * @name Internal clock sources + * @{ + */ +#define STM32_HSICLK 8000000 /**< High speed internal clock. */ +#define STM32_LSICLK 40000 /**< Low speed internal clock. */ +/** @} */ + +/** + * @name PWR_CR register bits definitions + * @{ + */ +#define STM32_PLS_MASK (7U << 5) /**< PLS bits mask. */ +#define STM32_PLS_LEV0 (0U << 5) /**< PVD level 0. */ +#define STM32_PLS_LEV1 (1U << 5) /**< PVD level 1. */ +#define STM32_PLS_LEV2 (2U << 5) /**< PVD level 2. */ +#define STM32_PLS_LEV3 (3U << 5) /**< PVD level 3. */ +#define STM32_PLS_LEV4 (4U << 5) /**< PVD level 4. */ +#define STM32_PLS_LEV5 (5U << 5) /**< PVD level 5. */ +#define STM32_PLS_LEV6 (6U << 5) /**< PVD level 6. */ +#define STM32_PLS_LEV7 (7U << 5) /**< PVD level 7. */ +/** @} */ + +/** + * @name RCC_CFGR register bits definitions + * @{ + */ +#define STM32_SW_HSI (0U << 0) /**< SYSCLK source is HSI. */ +#define STM32_SW_HSE (1U << 0) /**< SYSCLK source is HSE. */ +#define STM32_SW_PLL (2U << 0) /**< SYSCLK source is PLL. */ + +#define STM32_HPRE_DIV1 (0U << 4) /**< SYSCLK divided by 1. */ +#define STM32_HPRE_DIV2 (8u << 4) /**< SYSCLK divided by 2. */ +#define STM32_HPRE_DIV4 (9U << 4) /**< SYSCLK divided by 4. */ +#define STM32_HPRE_DIV8 (10U << 4) /**< SYSCLK divided by 8. */ +#define STM32_HPRE_DIV16 (11U << 4) /**< SYSCLK divided by 16. */ +#define STM32_HPRE_DIV64 (12U << 4) /**< SYSCLK divided by 64. */ +#define STM32_HPRE_DIV128 (13U << 4) /**< SYSCLK divided by 128. */ +#define STM32_HPRE_DIV256 (14U << 4) /**< SYSCLK divided by 256. */ +#define STM32_HPRE_DIV512 (15U << 4) /**< SYSCLK divided by 512. */ + +#define STM32_PPRE1_DIV1 (0U << 8) /**< HCLK divided by 1. */ +#define STM32_PPRE1_DIV2 (4U << 8) /**< HCLK divided by 2. */ +#define STM32_PPRE1_DIV4 (5U << 8) /**< HCLK divided by 4. */ +#define STM32_PPRE1_DIV8 (6U << 8) /**< HCLK divided by 8. */ +#define STM32_PPRE1_DIV16 (7U << 8) /**< HCLK divided by 16. */ + +#define STM32_PPRE2_DIV1 (0U << 11) /**< HCLK divided by 1. */ +#define STM32_PPRE2_DIV2 (4U << 11) /**< HCLK divided by 2. */ +#define STM32_PPRE2_DIV4 (5U << 11) /**< HCLK divided by 4. */ +#define STM32_PPRE2_DIV8 (6U << 11) /**< HCLK divided by 8. */ +#define STM32_PPRE2_DIV16 (7U << 11) /**< HCLK divided by 16. */ + +#define STM32_ADCPRE_DIV2 (0U << 14) /**< PPRE2 divided by 2. */ +#define STM32_ADCPRE_DIV4 (1U << 14) /**< PPRE2 divided by 4. */ +#define STM32_ADCPRE_DIV6 (2U << 14) /**< PPRE2 divided by 6. */ +#define STM32_ADCPRE_DIV8 (3U << 14) /**< PPRE2 divided by 8. */ + +#define STM32_PLLSRC_HSI (0U << 16) /**< PLL clock source is HSI/2. */ +#define STM32_PLLSRC_HSE (1U << 16) /**< PLL clock source is + HSE/PREDIV. */ + +#define STM32_USBPRE_DIV1P5 (0U << 22) /**< USB clock is PLLCLK/1.5. */ +#define STM32_USBPRE_DIV1 (1U << 22) /**< USB clock is PLLCLK/1. */ + +#define STM32_MCOSEL_NOCLOCK (0U << 24) /**< No clock on MCO pin. */ +#define STM32_MCOSEL_LSI (2U << 24) /**< LSI clock on MCO pin. */ +#define STM32_MCOSEL_LSE (3U << 24) /**< LSE clock on MCO pin. */ +#define STM32_MCOSEL_SYSCLK (4U << 24) /**< SYSCLK on MCO pin. */ +#define STM32_MCOSEL_HSI (5U << 24) /**< HSI clock on MCO pin. */ +#define STM32_MCOSEL_HSE (6U << 24) /**< HSE clock on MCO pin. */ +#define STM32_MCOSEL_PLLDIV2 (7U << 24) /**< PLL/2 clock on MCO pin. */ + +#define STM32_SDPRE_DIV2 (16U << 27) /**< SYSCLK divided by 2. */ +#define STM32_SDPRE_DIV4 (17U << 27) /**< SYSCLK divided by 4. */ +#define STM32_SDPRE_DIV6 (18U << 27) /**< SYSCLK divided by 6. */ +#define STM32_SDPRE_DIV8 (19U << 27) /**< SYSCLK divided by 8. */ +#define STM32_SDPRE_DIV10 (20U << 27) /**< SYSCLK divided by 10. */ +#define STM32_SDPRE_DIV12 (21U << 27) /**< SYSCLK divided by 12. */ +#define STM32_SDPRE_DIV14 (22U << 27) /**< SYSCLK divided by 14. */ +#define STM32_SDPRE_DIV16 (23U << 27) /**< SYSCLK divided by 16. */ +#define STM32_SDPRE_DIV20 (24U << 27) /**< SYSCLK divided by 20. */ +#define STM32_SDPRE_DIV24 (25U << 27) /**< SYSCLK divided by 24. */ +#define STM32_SDPRE_DIV28 (26U << 27) /**< SYSCLK divided by 28. */ +#define STM32_SDPRE_DIV32 (27U << 27) /**< SYSCLK divided by 32. */ +#define STM32_SDPRE_DIV36 (28U << 27) /**< SYSCLK divided by 36. */ +#define STM32_SDPRE_DIV40 (29U << 27) /**< SYSCLK divided by 40. */ +#define STM32_SDPRE_DIV44 (30U << 27) /**< SYSCLK divided by 44. */ +#define STM32_SDPRE_DIV48 (31U << 27) /**< SYSCLK divided by 48. */ +/** @} */ + +/** + * @name RCC_BDCR register bits definitions + * @{ + */ +#define STM32_RTCSEL_MASK (3U << 8) /**< RTC clock source mask. */ +#define STM32_RTCSEL_NOCLOCK (0U << 8) /**< No clock. */ +#define STM32_RTCSEL_LSE (1U << 8) /**< LSE used as RTC clock. */ +#define STM32_RTCSEL_LSI (2U << 8) /**< LSI used as RTC clock. */ +#define STM32_RTCSEL_HSEDIV (3U << 8) /**< HSE divided by 32 used as + RTC clock. */ +/** @} */ + +/** + * @name RCC_CFGR2 register bits definitions + * @{ + */ +#define STM32_PREDIV_MASK (15U << 0) /**< PREDIV divisor mask. */ +/** @} */ + +/** + * @name RCC_CFGR3 register bits definitions + * @{ + */ +#define STM32_USART1SW_MASK (3U << 0) /**< USART1 clock source mask. */ +#define STM32_USART1SW_PCLK (0U << 0) /**< USART1 clock is PCLK. */ +#define STM32_USART1SW_SYSCLK (1U << 0) /**< USART1 clock is SYSCLK. */ +#define STM32_USART1SW_LSE (2U << 0) /**< USART1 clock is LSE. */ +#define STM32_USART1SW_HSI (3U << 0) /**< USART1 clock is HSI. */ +#define STM32_I2C1SW_MASK (1U << 4) /**< I2C1 clock source mask. */ +#define STM32_I2C1SW_HSI (0U << 4) /**< I2C1 clock is HSI. */ +#define STM32_I2C1SW_SYSCLK (1U << 4) /**< I2C1 clock is SYSCLK. */ +#define STM32_I2C2SW_MASK (1U << 5) /**< I2C2 clock source mask. */ +#define STM32_I2C2SW_HSI (0U << 5) /**< I2C2 clock is HSI. */ +#define STM32_I2C2SW_SYSCLK (1U << 5) /**< I2C2 clock is SYSCLK. */ +#define STM32_USART2SW_MASK (3U << 16) /**< USART2 clock source mask. */ +#define STM32_USART2SW_PCLK (0U << 16) /**< USART2 clock is PCLK. */ +#define STM32_USART2SW_SYSCLK (1U << 16) /**< USART2 clock is SYSCLK. */ +#define STM32_USART2SW_LSE (2U << 16) /**< USART2 clock is LSE. */ +#define STM32_USART2SW_HSI (3U << 16) /**< USART2 clock is HSI. */ +#define STM32_USART3SW_MASK (3U << 18) /**< USART3 clock source mask. */ +#define STM32_USART3SW_PCLK (0U << 18) /**< USART3 clock is PCLK. */ +#define STM32_USART3SW_SYSCLK (1U << 18) /**< USART3 clock is SYSCLK. */ +#define STM32_USART3SW_LSE (2U << 18) /**< USART3 clock is LSE. */ +#define STM32_USART3SW_HSI (3U << 18) /**< USART3 clock is HSI. */ +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief Disables the PWR/RCC initialization in the HAL. + */ +#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__) +#define STM32_NO_INIT FALSE +#endif + +/** + * @brief Enables or disables the programmable voltage detector. + */ +#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__) +#define STM32_PVD_ENABLE FALSE +#endif + +/** + * @brief Sets voltage level for programmable voltage detector. + */ +#if !defined(STM32_PLS) || defined(__DOXYGEN__) +#define STM32_PLS STM32_PLS_LEV0 +#endif + +/** + * @brief Enables or disables the HSI clock source. + */ +#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__) +#define STM32_HSI_ENABLED TRUE +#endif + +/** + * @brief Enables or disables the LSI clock source. + */ +#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__) +#define STM32_LSI_ENABLED TRUE +#endif + +/** + * @brief Enables or disables the HSE clock source. + */ +#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__) +#define STM32_HSE_ENABLED TRUE +#endif + +/** + * @brief Enables or disables the LSE clock source. + */ +#if !defined(STM32_LSE_ENABLED) || defined(__DOXYGEN__) +#define STM32_LSE_ENABLED FALSE +#endif + +/** + * @brief Main clock source selection. + * @note If the selected clock source is not the PLL then the PLL is not + * initialized and started. + * @note The default value is calculated for a 72MHz system clock from + * a 8MHz crystal using the PLL. + */ +#if !defined(STM32_SW) || defined(__DOXYGEN__) +#define STM32_SW STM32_SW_PLL +#endif + +/** + * @brief Clock source for the PLL. + * @note This setting has only effect if the PLL is selected as the + * system clock source. + * @note The default value is calculated for a 72MHz system clock from + * a 8MHz crystal using the PLL. + */ +#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__) +#define STM32_PLLSRC STM32_PLLSRC_HSE +#endif + +/** + * @brief Crystal PLL pre-divider. + * @note This setting has only effect if the PLL is selected as the + * system clock source. + * @note The default value is calculated for a 72MHz system clock from + * a 8MHz crystal using the PLL. + */ +#if !defined(STM32_PREDIV_VALUE) || defined(__DOXYGEN__) +#define STM32_PREDIV_VALUE 1 +#endif + +/** + * @brief PLL multiplier value. + * @note The allowed range is 2...16. + * @note The default value is calculated for a 72MHz system clock from + * a 8MHz crystal using the PLL. + */ +#if !defined(STM32_PLLMUL_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLMUL_VALUE 9 +#endif + +/** + * @brief AHB prescaler value. + * @note The default value is calculated for a 72MHz system clock from + * a 8MHz crystal using the PLL. + */ +#if !defined(STM32_HPRE) || defined(__DOXYGEN__) +#define STM32_HPRE STM32_HPRE_DIV1 +#endif + +/** + * @brief APB1 prescaler value. + */ +#if !defined(STM32_PPRE1) || defined(__DOXYGEN__) +#define STM32_PPRE1 STM32_PPRE1_DIV2 +#endif + +/** + * @brief APB2 prescaler value. + */ +#if !defined(STM32_PPRE2) || defined(__DOXYGEN__) +#define STM32_PPRE2 STM32_PPRE2_DIV2 +#endif + +/** + * @brief MCO pin setting. + */ +#if !defined(STM32_MCOSEL) || defined(__DOXYGEN__) +#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK +#endif + +/** + * @brief ADC prescaler value. + */ +#if !defined(STM32_ADCPRE) || defined(__DOXYGEN__) +#define STM32_ADCPRE STM32_ADCPRE_DIV4 +#endif + +/** + * @brief SDADC prescaler value. + */ +#if !defined(STM32_SDPRE) || defined(__DOXYGEN__) +#define STM32_SDPRE STM32_SDPRE_DIV12 +#endif + +/** + * @brief USART1 clock source. + */ +#if !defined(STM32_USART1SW) || defined(__DOXYGEN__) +#define STM32_USART1SW STM32_USART1SW_PCLK +#endif + +/** + * @brief USART2 clock source. + */ +#if !defined(STM32_USART2SW) || defined(__DOXYGEN__) +#define STM32_USART2SW STM32_USART2SW_PCLK +#endif + +/** + * @brief USART3 clock source. + */ +#if !defined(STM32_USART3SW) || defined(__DOXYGEN__) +#define STM32_USART3SW STM32_USART3SW_PCLK +#endif + +/** + * @brief I2C1 clock source. + */ +#if !defined(STM32_I2C1SW) || defined(__DOXYGEN__) +#define STM32_I2C1SW STM32_I2C1SW_SYSCLK +#endif + +/** + * @brief I2C2 clock source. + */ +#if !defined(STM32_I2C2SW) || defined(__DOXYGEN__) +#define STM32_I2C2SW STM32_I2C2SW_SYSCLK +#endif + +/** + * @brief RTC clock source. + */ +#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__) +#define STM32_RTCSEL STM32_RTCSEL_LSI +#endif + +/** + * @brief USB clock setting. + */ +#if !defined(STM32_USB_CLOCK_REQUIRED) || defined(__DOXYGEN__) +#define STM32_USB_CLOCK_REQUIRED TRUE +#endif + +/** + * @brief USB prescaler initialization. + */ +#if !defined(STM32_USBPRE) || defined(__DOXYGEN__) +#define STM32_USBPRE STM32_USBPRE_DIV1P5 +#endif +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/* + * Configuration-related checks. + */ +#if !defined(STM32F37x_MCUCONF) +#error "Using a wrong mcuconf.h file, STM32F37x_MCUCONF not defined" +#endif + +/* + * HSI related checks. + */ +#if STM32_HSI_ENABLED +#else /* !STM32_HSI_ENABLED */ + +#if STM32_SW == STM32_SW_HSI +#error "HSI not enabled, required by STM32_SW" +#endif + +#if STM32_USART1SW == STM32_USART1SW_HSI +#error "HSI not enabled, required by STM32_USART1SW" +#endif + +#if STM32_USART2SW == STM32_USART2SW_HSI +#error "HSI not enabled, required by STM32_USART2SW" +#endif + +#if STM32_USART3SW == STM32_USART3SW_HSI +#error "HSI not enabled, required by STM32_USART3SW" +#endif + +#if STM32_I2C1SW == STM32_I2C1SW_HSI +#error "HSI not enabled, required by STM32_I2C1SW" +#endif + +#if STM32_I2C2SW == STM32_I2C2SW_HSI +#error "HSI not enabled, required by STM32_I2C2SW" +#endif + +#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSI) +#error "HSI not enabled, required by STM32_SW and STM32_PLLSRC" +#endif + +#if (STM32_MCOSEL == STM32_MCOSEL_HSI) || \ + ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSI)) +#error "HSI not enabled, required by STM32_MCOSEL" +#endif + +#endif /* !STM32_HSI_ENABLED */ + +/* + * HSE related checks. + */ +#if STM32_HSE_ENABLED + +#if STM32_HSECLK == 0 +#error "HSE frequency not defined" +#elif (STM32_HSECLK < STM32_HSECLK_MIN) || (STM32_HSECLK > STM32_HSECLK_MAX) +#error "STM32_HSECLK outside acceptable range (STM32_HSECLK_MIN...STM32_HSECLK_MAX)" +#endif + +#else /* !STM32_HSE_ENABLED */ + +#if STM32_SW == STM32_SW_HSE +#error "HSE not enabled, required by STM32_SW" +#endif + +#if (STM32_SW == STM32_SW_PLL) && (STM32_PLLSRC == STM32_PLLSRC_HSE) +#error "HSE not enabled, required by STM32_SW and STM32_PLLSRC" +#endif + +#if (STM32_MCOSEL == STM32_MCOSEL_HSE) || \ + ((STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSE)) +#error "HSE not enabled, required by STM32_MCOSEL" +#endif + +#if STM32_RTCSEL == STM32_RTCSEL_HSEDIV +#error "HSE not enabled, required by STM32_RTCSEL" +#endif + +#endif /* !STM32_HSE_ENABLED */ + +/* + * LSI related checks. + */ +#if STM32_LSI_ENABLED +#else /* !STM32_LSI_ENABLED */ + +#if STM32_RTCSEL == STM32_RTCSEL_LSI +#error "LSI not enabled, required by STM32_RTCSEL" +#endif + +#endif /* !STM32_LSI_ENABLED */ + +/* + * LSE related checks. + */ +#if STM32_LSE_ENABLED + +#if !defined(STM32_LSECLK) || (STM32_LSECLK == 0) +#error "STM32_LSECLK not defined" +#endif + +#if (STM32_LSECLK < STM32_LSECLK_MIN) || (STM32_LSECLK > STM32_LSECLK_MAX) +#error "STM32_LSECLK outside acceptable range (STM32_LSECLK_MIN...STM32_LSECLK_MAX)" +#endif + +#if !defined(STM32_LSEDRV) +#error "STM32_LSEDRV not defined" +#endif + +#if (STM32_LSEDRV >> 3) > 3 +#error "STM32_LSEDRV outside acceptable range ((0<<3)...(3<<3))" +#endif + +#if STM32_USART1SW == STM32_USART1SW_LSE +#error "LSE not enabled, required by STM32_USART1SW" +#endif + +#if STM32_USART2SW == STM32_USART2SW_LSE +#error "LSE not enabled, required by STM32_USART2SW" +#endif + +#if STM32_USART3SW == STM32_USART3SW_LSE +#error "LSE not enabled, required by STM32_USART3SW" +#endif + +#else /* !STM32_LSE_ENABLED */ + +#if STM32_RTCSEL == STM32_RTCSEL_LSE +#error "LSE not enabled, required by STM32_RTCSEL" +#endif + +#endif /* !STM32_LSE_ENABLED */ + +/* PLL activation conditions.*/ +#if (STM32_SW == STM32_SW_PLL) || \ + (STM32_MCOSEL == STM32_MCOSEL_PLLDIV2) || \ + STM32_USB_CLOCK_REQUIRED || \ + defined(__DOXYGEN__) +/** + * @brief PLL activation flag. + */ +#define STM32_ACTIVATE_PLL TRUE +#else +#define STM32_ACTIVATE_PLL FALSE +#endif + +/* HSE prescaler setting check.*/ +#if ((STM32_PREDIV_VALUE >= 1) || (STM32_PREDIV_VALUE <= 16)) +#define STM32_PREDIV ((STM32_PREDIV_VALUE - 1) << 0) +#else +#error "invalid STM32_PREDIV value specified" +#endif + +/** + * @brief PLLMUL field. + */ +#if ((STM32_PLLMUL_VALUE >= 2) && (STM32_PLLMUL_VALUE <= 16)) || \ + defined(__DOXYGEN__) +#define STM32_PLLMUL ((STM32_PLLMUL_VALUE - 2) << 18) +#else +#error "invalid STM32_PLLMUL_VALUE value specified" +#endif + +/** + * @brief PLL input clock frequency. + */ +#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__) +#define STM32_PLLCLKIN (STM32_HSECLK / STM32_PREDIV_VALUE) +#elif STM32_PLLSRC == STM32_PLLSRC_HSI +#define STM32_PLLCLKIN (STM32_HSICLK / 2) +#else +#error "invalid STM32_PLLSRC value specified" +#endif + +/* PLL input frequency range check.*/ +#if (STM32_PLLCLKIN < STM32_PLLIN_MIN) || (STM32_PLLCLKIN > STM32_PLLIN_MAX) +#error "STM32_PLLCLKIN outside acceptable range (STM32_PLLIN_MIN...STM32_PLLIN_MAX)" +#endif + +/** + * @brief PLL output clock frequency. + */ +#define STM32_PLLCLKOUT (STM32_PLLCLKIN * STM32_PLLMUL_VALUE) + +/* PLL output frequency range check.*/ +#if (STM32_PLLCLKOUT < STM32_PLLOUT_MIN) || (STM32_PLLCLKOUT > STM32_PLLOUT_MAX) +#error "STM32_PLLCLKOUT outside acceptable range (STM32_PLLOUT_MIN...STM32_PLLOUT_MAX)" +#endif + +/** + * @brief System clock source. + */ +#if (STM32_SW == STM32_SW_PLL) || defined(__DOXYGEN__) +#define STM32_SYSCLK STM32_PLLCLKOUT +#elif (STM32_SW == STM32_SW_HSI) +#define STM32_SYSCLK STM32_HSICLK +#elif (STM32_SW == STM32_SW_HSE) +#define STM32_SYSCLK STM32_HSECLK +#else +#error "invalid STM32_SW value specified" +#endif + +/* Check on the system clock.*/ +#if STM32_SYSCLK > STM32_SYSCLK_MAX +#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)" +#endif + +/** + * @brief AHB frequency. + */ +#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__) +#define STM32_HCLK (STM32_SYSCLK / 1) +#elif STM32_HPRE == STM32_HPRE_DIV2 +#define STM32_HCLK (STM32_SYSCLK / 2) +#elif STM32_HPRE == STM32_HPRE_DIV4 +#define STM32_HCLK (STM32_SYSCLK / 4) +#elif STM32_HPRE == STM32_HPRE_DIV8 +#define STM32_HCLK (STM32_SYSCLK / 8) +#elif STM32_HPRE == STM32_HPRE_DIV16 +#define STM32_HCLK (STM32_SYSCLK / 16) +#elif STM32_HPRE == STM32_HPRE_DIV64 +#define STM32_HCLK (STM32_SYSCLK / 64) +#elif STM32_HPRE == STM32_HPRE_DIV128 +#define STM32_HCLK (STM32_SYSCLK / 128) +#elif STM32_HPRE == STM32_HPRE_DIV256 +#define STM32_HCLK (STM32_SYSCLK / 256) +#elif STM32_HPRE == STM32_HPRE_DIV512 +#define STM32_HCLK (STM32_SYSCLK / 512) +#else +#error "invalid STM32_HPRE value specified" +#endif + +/* AHB frequency check.*/ +#if STM32_HCLK > STM32_SYSCLK_MAX +#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)" +#endif + +/** + * @brief APB1 frequency. + */ +#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__) +#define STM32_PCLK1 (STM32_HCLK / 1) +#elif STM32_PPRE1 == STM32_PPRE1_DIV2 +#define STM32_PCLK1 (STM32_HCLK / 2) +#elif STM32_PPRE1 == STM32_PPRE1_DIV4 +#define STM32_PCLK1 (STM32_HCLK / 4) +#elif STM32_PPRE1 == STM32_PPRE1_DIV8 +#define STM32_PCLK1 (STM32_HCLK / 8) +#elif STM32_PPRE1 == STM32_PPRE1_DIV16 +#define STM32_PCLK1 (STM32_HCLK / 16) +#else +#error "invalid STM32_PPRE1 value specified" +#endif + +/* APB1 frequency check.*/ +#if STM32_PCLK1 > STM32_PCLK1_MAX +#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)" +#endif + +/** + * @brief APB2 frequency. + */ +#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__) +#define STM32_PCLK2 (STM32_HCLK / 1) +#elif STM32_PPRE2 == STM32_PPRE2_DIV2 +#define STM32_PCLK2 (STM32_HCLK / 2) +#elif STM32_PPRE2 == STM32_PPRE2_DIV4 +#define STM32_PCLK2 (STM32_HCLK / 4) +#elif STM32_PPRE2 == STM32_PPRE2_DIV8 +#define STM32_PCLK2 (STM32_HCLK / 8) +#elif STM32_PPRE2 == STM32_PPRE2_DIV16 +#define STM32_PCLK2 (STM32_HCLK / 16) +#else +#error "invalid STM32_PPRE2 value specified" +#endif + +/* APB2 frequency check.*/ +#if STM32_PCLK2 > STM32_PCLK2_MAX +#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)" +#endif + +/** + * @brief RTC clock. + */ +#if (STM32_RTCSEL == STM32_RTCSEL_LSE) || defined(__DOXYGEN__) +#define STM32_RTCCLK STM32_LSECLK +#elif STM32_RTCSEL == STM32_RTCSEL_LSI +#define STM32_RTCCLK STM32_LSICLK +#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV +#define STM32_RTCCLK (STM32_HSECLK / 32) +#elif STM32_RTCSEL == STM32_RTCSEL_NOCLOCK +#define STM32_RTCCLK 0 +#else +#error "invalid source selected for RTC clock" +#endif + +/** + * @brief ADC frequency. + */ +#if (STM32_ADCPRE == STM32_ADCPRE_DIV2) || defined(__DOXYGEN__) +#define STM32_ADCCLK (STM32_PCLK2 / 2) +#elif STM32_ADCPRE == STM32_ADCPRE_DIV4 +#define STM32_ADCCLK (STM32_PCLK2 / 4) +#elif STM32_ADCPRE == STM32_ADCPRE_DIV6 +#define STM32_ADCCLK (STM32_PCLK2 / 6) +#elif STM32_ADCPRE == STM32_ADCPRE_DIV8 +#define STM32_ADCCLK (STM32_PCLK2 / 8) +#else +#error "invalid STM32_ADCPRE value specified" +#endif + +/* ADC maximum frequency check.*/ +#if STM32_ADCCLK > STM32_ADCCLK_MAX +#error "STM32_ADCCLK exceeding maximum frequency (STM32_ADCCLK_MAX)" +#endif + +/* ADC minimum frequency check.*/ +#if STM32_ADCCLK < STM32_ADCCLK_MIN +#error "STM32_ADCCLK exceeding maximum frequency (STM32_ADCCLK_MIN)" +#endif + +/** + * @brief SDADC frequency. + */ +#if (STM32_SDPRE == STM32_SDPRE_DIV2) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 2) +#elif (STM32_SDPRE == STM32_SDPRE_DIV4) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 4) +#elif (STM32_SDPRE == STM32_SDPRE_DIV6) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 6) +#elif (STM32_SDPRE == STM32_SDPRE_DIV8) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 8) +#elif (STM32_SDPRE == STM32_SDPRE_DIV10) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 10) +#elif (STM32_SDPRE == STM32_SDPRE_DIV12) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 12) +#elif (STM32_SDPRE == STM32_SDPRE_DIV14) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 14) +#elif (STM32_SDPRE == STM32_SDPRE_DIV16) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 16) +#elif (STM32_SDPRE == STM32_SDPRE_DIV20) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 20) +#elif (STM32_SDPRE == STM32_SDPRE_DIV24) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 24) +#elif (STM32_SDPRE == STM32_SDPRE_DIV28) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 28) +#elif (STM32_SDPRE == STM32_SDPRE_DIV32) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 32) +#elif (STM32_SDPRE == STM32_SDPRE_DIV36) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 36) +#elif (STM32_SDPRE == STM32_SDPRE_DIV40) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 40) +#elif (STM32_SDPRE == STM32_SDPRE_DIV44) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 44) +#elif (STM32_SDPRE == STM32_SDPRE_DIV48) || defined(__DOXYGEN__) +#define STM32_SDADCCLK (STM32_SYSCLK / 48) +#else +#error "invalid STM32_SDPRE value specified" +#endif + +/* SDADC maximum frequency check.*/ +#if STM32_SDADCCLK > STM32_SDADCCLK_FAST_MAX +#error "STM32_SDADCCLK exceeding maximum frequency (STM32_SDADCCLK_FAST_MAX)" +#endif + +/* SDADC minimum frequency check.*/ +#if STM32_SDADCCLK < STM32_SDADCCLK_MIN +#error "STM32_SDADCCLK exceeding maximum frequency (STM32_SDADCCLK_MIN)" +#endif + +/** + * @brief I2C1 frequency. + */ +#if STM32_I2C1SW == STM32_I2C1SW_HSI +#define STM32_I2C1CLK STM32_HSICLK +#elif STM32_I2C1SW == STM32_I2C1SW_SYSCLK +#define STM32_I2C1CLK STM32_SYSCLK +#else +#error "invalid source selected for I2C1 clock" +#endif + +/** + * @brief I2C2 frequency. + */ +#if STM32_I2C2SW == STM32_I2C2SW_HSI +#define STM32_I2C2CLK STM32_HSICLK +#elif STM32_I2C2SW == STM32_I2C2SW_SYSCLK +#define STM32_I2C2CLK STM32_SYSCLK +#else +#error "invalid source selected for I2C2 clock" +#endif + +/** + * @brief USART1 frequency. + */ +#if STM32_USART1SW == STM32_USART1SW_PCLK +#define STM32_USART1CLK STM32_PCLK2 +#elif STM32_USART1SW == STM32_USART1SW_SYSCLK +#define STM32_USART1CLK STM32_SYSCLK +#elif STM32_USART1SW == STM32_USART1SW_LSECLK +#define STM32_USART1CLK STM32_LSECLK +#elif STM32_USART1SW == STM32_USART1SW_HSICLK +#define STM32_USART1CLK STM32_HSICLK +#else +#error "invalid source selected for USART1 clock" +#endif + +/** + * @brief USART2 frequency. + */ +#if STM32_USART2SW == STM32_USART2SW_PCLK +#define STM32_USART2CLK STM32_PCLK1 +#elif STM32_USART2SW == STM32_USART2SW_SYSCLK +#define STM32_USART2CLK STM32_SYSCLK +#elif STM32_USART2SW == STM32_USART2SW_LSECLK +#define STM32_USART2CLK STM32_LSECLK +#elif STM32_USART2SW == STM32_USART2SW_HSICLK +#define STM32_USART2CLK STM32_HSICLK +#else +#error "invalid source selected for USART2 clock" +#endif + +/** + * @brief USART3 frequency. + */ +#if STM32_USART3SW == STM32_USART3SW_PCLK +#define STM32_USART3CLK STM32_PCLK1 +#elif STM32_USART3SW == STM32_USART3SW_SYSCLK +#define STM32_USART3CLK STM32_SYSCLK +#elif STM32_USART3SW == STM32_USART3SW_LSECLK +#define STM32_USART3CLK STM32_LSECLK +#elif STM32_USART3SW == STM32_USART3SW_HSICLK +#define STM32_USART3CLK STM32_HSICLK +#else +#error "invalid source selected for USART3 clock" +#endif + +/** + * @brief Timers 2, 3, 4, 5, 6, 7, 12, 13, 14, 18 frequency. + */ +#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__) +#define STM32_TIMCLK1 (STM32_PCLK1 * 1) +#else +#define STM32_TIMCLK1 (STM32_PCLK1 * 2) +#endif + +/** + * @brief Timers 15, 16, 17, 19 frequency. + */ +#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__) +#define STM32_TIMCLK2 (STM32_PCLK2 * 1) +#else +#define STM32_TIMCLK2 (STM32_PCLK2 * 2) +#endif + +/** + * @brief USB frequency. + */ +#if (STM32_USBPRE == STM32_USBPRE_DIV1P5) || defined(__DOXYGEN__) +#define STM32_USBCLK ((STM32_PLLCLKOUT * 2) / 3) +#elif (STM32_USBPRE == STM32_USBPRE_DIV1) +#define STM32_USBCLK STM32_PLLCLKOUT +#else +#error "invalid STM32_USBPRE value specified" +#endif + +/** + * @brief Flash settings. + */ +#if (STM32_HCLK <= 24000000) || defined(__DOXYGEN__) +#define STM32_FLASHBITS 0x00000010 +#elif STM32_HCLK <= 48000000 +#define STM32_FLASHBITS 0x00000011 +#else +#define STM32_FLASHBITS 0x00000012 +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief Type representing a system clock frequency. + */ +typedef uint32_t halclock_t; + +/** + * @brief Type of the realtime free counter value. + */ +typedef uint32_t halrtcnt_t; + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @brief Returns the current value of the system free running counter. + * @note This service is implemented by returning the content of the + * DWT_CYCCNT register. + * + * @return The value of the system free running counter of + * type halrtcnt_t. + * + * @notapi + */ +#define hal_lld_get_counter_value() DWT_CYCCNT + +/** + * @brief Realtime counter frequency. + * @note The DWT_CYCCNT register is incremented directly by the system + * clock so this function returns STM32_HCLK. + * + * @return The realtime counter frequency of type halclock_t. + * + * @notapi + */ +#define hal_lld_get_counter_frequency() STM32_HCLK + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +/* STM32 ISR, DMA and RCC helpers.*/ +#include "stm32_isr.h" +#include "stm32_dma.h" +#include "stm32_rcc.h" + +#ifdef __cplusplus +extern "C" { +#endif + void hal_lld_init(void); + void stm32_clock_init(void); +#ifdef __cplusplus +} +#endif + +#endif /* _HAL_LLD_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32F37x/platform.mk b/os/hal/ports/STM32F37x/platform.mk new file mode 100644 index 000000000..1cd7f9260 --- /dev/null +++ b/os/hal/ports/STM32F37x/platform.mk @@ -0,0 +1,28 @@ +# List of all the STM32F37x platform files. +PLATFORMSRC = ${CHIBIOS}/os/hal/ports/STM32F37x/stm32_dma.c \ + ${CHIBIOS}/os/hal/ports/STM32F37x/hal_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32F37x/adc_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32F37x/ext_lld_isr.c \ + ${CHIBIOS}/os/hal/ports/STM32/can_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32/ext_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32/GPIOv2/pal_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32/I2Cv2/i2c_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32/RTCv2/rtc_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32/SPIv2/spi_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32/TIMv1/gpt_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32/TIMv1/icu_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32/TIMv1/pwm_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32/USARTv2/serial_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32/USARTv2/uart_lld.c \ + ${CHIBIOS}/os/hal/ports/STM32/USBv1/usb_lld.c + +# Required include directories +PLATFORMINC = ${CHIBIOS}/os/hal/ports/STM32F37x \ + ${CHIBIOS}/os/hal/ports/STM32 \ + ${CHIBIOS}/os/hal/ports/STM32/GPIOv2 \ + ${CHIBIOS}/os/hal/ports/STM32/I2Cv2 \ + ${CHIBIOS}/os/hal/ports/STM32/RTCv2 \ + ${CHIBIOS}/os/hal/ports/STM32/SPIv2 \ + ${CHIBIOS}/os/hal/ports/STM32/TIMv1 \ + ${CHIBIOS}/os/hal/ports/STM32/USARTv2 \ + ${CHIBIOS}/os/hal/ports/STM32/USBv1 diff --git a/os/hal/ports/STM32F37x/stm32_dma.c b/os/hal/ports/STM32F37x/stm32_dma.c new file mode 100644 index 000000000..b9ce0ddfc --- /dev/null +++ b/os/hal/ports/STM32F37x/stm32_dma.c @@ -0,0 +1,450 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F37x/stm32_dma.c + * @brief DMA helper driver code. + * + * @addtogroup STM32F37x_DMA + * @details DMA sharing helper driver. In the STM32 the DMA streams are a + * shared resource, this driver allows to allocate and free DMA + * streams at runtime in order to allow all the other device + * drivers to coordinate the access to the resource. + * @note The DMA ISR handlers are all declared into this module because + * sharing, the various device drivers can associate a callback to + * ISRs when allocating streams. + * @{ + */ + +#include "ch.h" +#include "hal.h" + +/* The following macro is only defined if some driver requiring DMA services + has been enabled.*/ +#if defined(STM32_DMA_REQUIRED) || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/** + * @brief Mask of the DMA1 streams in @p dma_streams_mask. + */ +#define STM32_DMA1_STREAMS_MASK 0x0000007F + +/** + * @brief Mask of the DMA2 streams in @p dma_streams_mask. + */ +#define STM32_DMA2_STREAMS_MASK 0x00000F80 + +/** + * @brief Post-reset value of the stream CCR register. + */ +#define STM32_DMA_CCR_RESET_VALUE 0x00000000 + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/** + * @brief DMA streams descriptors. + * @details This table keeps the association between an unique stream + * identifier and the involved physical registers. + * @note Don't use this array directly, use the appropriate wrapper macros + * instead: @p STM32_DMA1_STREAM1, @p STM32_DMA1_STREAM2 etc. + */ +const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS] = { + {DMA1_Channel1, &DMA1->IFCR, 0, 0, DMA1_Channel1_IRQn}, + {DMA1_Channel2, &DMA1->IFCR, 4, 1, DMA1_Channel2_IRQn}, + {DMA1_Channel3, &DMA1->IFCR, 8, 2, DMA1_Channel3_IRQn}, + {DMA1_Channel4, &DMA1->IFCR, 12, 3, DMA1_Channel4_IRQn}, + {DMA1_Channel5, &DMA1->IFCR, 16, 4, DMA1_Channel5_IRQn}, + {DMA1_Channel6, &DMA1->IFCR, 20, 5, DMA1_Channel6_IRQn}, + {DMA1_Channel7, &DMA1->IFCR, 24, 6, DMA1_Channel7_IRQn}, + {DMA2_Channel1, &DMA2->IFCR, 0, 7, DMA2_Channel1_IRQn}, + {DMA2_Channel2, &DMA2->IFCR, 4, 8, DMA2_Channel2_IRQn}, + {DMA2_Channel3, &DMA2->IFCR, 8, 9, DMA2_Channel3_IRQn}, + {DMA2_Channel4, &DMA2->IFCR, 12, 10, DMA2_Channel4_IRQn}, + {DMA2_Channel5, &DMA2->IFCR, 16, 11, DMA2_Channel5_IRQn}, +}; + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/** + * @brief DMA ISR redirector type. + */ +typedef struct { + stm32_dmaisr_t dma_func; /**< @brief DMA callback function. */ + void *dma_param; /**< @brief DMA callback parameter. */ +} dma_isr_redir_t; + +/** + * @brief Mask of the allocated streams. + */ +static uint32_t dma_streams_mask; + +/** + * @brief DMA IRQ redirectors. + */ +static dma_isr_redir_t dma_isr_redir[STM32_DMA_STREAMS]; + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/** + * @brief DMA1 stream 1 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector6C) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 0) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 0; + if (dma_isr_redir[0].dma_func) + dma_isr_redir[0].dma_func(dma_isr_redir[0].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 2 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector70) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 4) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 4; + if (dma_isr_redir[1].dma_func) + dma_isr_redir[1].dma_func(dma_isr_redir[1].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 3 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector74) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 8) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 8; + if (dma_isr_redir[2].dma_func) + dma_isr_redir[2].dma_func(dma_isr_redir[2].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 4 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector78) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 12) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 12; + if (dma_isr_redir[3].dma_func) + dma_isr_redir[3].dma_func(dma_isr_redir[3].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 5 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector7C) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 16) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 16; + if (dma_isr_redir[4].dma_func) + dma_isr_redir[4].dma_func(dma_isr_redir[4].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 6 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector80) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 20) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 20; + if (dma_isr_redir[5].dma_func) + dma_isr_redir[5].dma_func(dma_isr_redir[5].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 7 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector84) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 24) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 24; + if (dma_isr_redir[6].dma_func) + dma_isr_redir[6].dma_func(dma_isr_redir[6].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA2 stream 1 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector120) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->ISR >> 0) & STM32_DMA_ISR_MASK; + DMA2->IFCR = STM32_DMA_ISR_MASK << 0; + if (dma_isr_redir[7].dma_func) + dma_isr_redir[7].dma_func(dma_isr_redir[7].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA2 stream 2 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector124) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->ISR >> 4) & STM32_DMA_ISR_MASK; + DMA2->IFCR = STM32_DMA_ISR_MASK << 4; + if (dma_isr_redir[8].dma_func) + dma_isr_redir[8].dma_func(dma_isr_redir[8].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA2 stream 3 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector128) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->ISR >> 8) & STM32_DMA_ISR_MASK; + DMA2->IFCR = STM32_DMA_ISR_MASK << 8; + if (dma_isr_redir[9].dma_func) + dma_isr_redir[9].dma_func(dma_isr_redir[9].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA2 stream 4 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector12C) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->ISR >> 12) & STM32_DMA_ISR_MASK; + DMA2->IFCR = STM32_DMA_ISR_MASK << 12; + if (dma_isr_redir[10].dma_func) + dma_isr_redir[10].dma_func(dma_isr_redir[10].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA2 stream 5 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(Vector130) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA2->ISR >> 16) & STM32_DMA_ISR_MASK; + DMA2->IFCR = STM32_DMA_ISR_MASK << 16; + if (dma_isr_redir[11].dma_func) + dma_isr_redir[11].dma_func(dma_isr_redir[11].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief STM32 DMA helper initialization. + * + * @init + */ +void dmaInit(void) { + int i; + + dma_streams_mask = 0; + for (i = 0; i < STM32_DMA_STREAMS; i++) { + _stm32_dma_streams[i].channel->CCR = 0; + dma_isr_redir[i].dma_func = NULL; + } + DMA1->IFCR = 0xFFFFFFFF; +#if STM32_HAS_DMA2 + DMA2->IFCR = 0xFFFFFFFF; +#endif +} + +/** + * @brief Allocates a DMA stream. + * @details The stream is allocated and, if required, the DMA clock enabled. + * The function also enables the IRQ vector associated to the stream + * and initializes its priority. + * @pre The stream must not be already in use or an error is returned. + * @post The stream is allocated and the default ISR handler redirected + * to the specified function. + * @post The stream ISR vector is enabled and its priority configured. + * @post The stream must be freed using @p dmaStreamRelease() before it can + * be reused with another peripheral. + * @post The stream is in its post-reset state. + * @note This function can be invoked in both ISR or thread context. + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] priority IRQ priority mask for the DMA stream + * @param[in] func handling function pointer, can be @p NULL + * @param[in] param a parameter to be passed to the handling function + * @return The operation status. + * @retval FALSE no error, stream taken. + * @retval TRUE error, stream already taken. + * + * @special + */ +bool_t dmaStreamAllocate(const stm32_dma_stream_t *dmastp, + uint32_t priority, + stm32_dmaisr_t func, + void *param) { + + chDbgCheck(dmastp != NULL, "dmaStreamAllocate"); + + /* Checks if the stream is already taken.*/ + if ((dma_streams_mask & (1 << dmastp->selfindex)) != 0) + return TRUE; + + /* Marks the stream as allocated.*/ + dma_isr_redir[dmastp->selfindex].dma_func = func; + dma_isr_redir[dmastp->selfindex].dma_param = param; + dma_streams_mask |= (1 << dmastp->selfindex); + + /* Enabling DMA clocks required by the current streams set.*/ + if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) != 0) + rccEnableDMA1(FALSE); +#if STM32_HAS_DMA2 + if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) != 0) + rccEnableDMA2(FALSE); +#endif + + /* Putting the stream in a safe state.*/ + dmaStreamDisable(dmastp); + dmastp->channel->CCR = STM32_DMA_CCR_RESET_VALUE; + + /* Enables the associated IRQ vector if a callback is defined.*/ + if (func != NULL) + nvicEnableVector(dmastp->vector, CORTEX_PRIORITY_MASK(priority)); + + return FALSE; +} + +/** + * @brief Releases a DMA stream. + * @details The stream is freed and, if required, the DMA clock disabled. + * Trying to release a unallocated stream is an illegal operation + * and is trapped if assertions are enabled. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post The stream is again available. + * @note This function can be invoked in both ISR or thread context. + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * + * @special + */ +void dmaStreamRelease(const stm32_dma_stream_t *dmastp) { + + chDbgCheck(dmastp != NULL, "dmaStreamRelease"); + + /* Check if the streams is not taken.*/ + chDbgAssert((dma_streams_mask & (1 << dmastp->selfindex)) != 0, + "dmaStreamRelease(), #1", "not allocated"); + + /* Disables the associated IRQ vector.*/ + nvicDisableVector(dmastp->vector); + + /* Marks the stream as not allocated.*/ + dma_streams_mask &= ~(1 << dmastp->selfindex); + + /* Shutting down clocks that are no more required, if any.*/ + if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) == 0) + rccDisableDMA1(FALSE); +#if STM32_HAS_DMA2 + if ((dma_streams_mask & STM32_DMA2_STREAMS_MASK) == 0) + rccDisableDMA2(FALSE); +#endif +} + +#endif /* STM32_DMA_REQUIRED */ + +/** @} */ diff --git a/os/hal/ports/STM32F37x/stm32_dma.h b/os/hal/ports/STM32F37x/stm32_dma.h new file mode 100644 index 000000000..79d295598 --- /dev/null +++ b/os/hal/ports/STM32F37x/stm32_dma.h @@ -0,0 +1,406 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F37x/stm32_dma.h + * @brief DMA helper driver header. + * @note This file requires definitions from the ST header file stm32f30x.h. + * @note This driver uses the new naming convention used for the STM32F2xx + * so the "DMA channels" are referred as "DMA streams". + * + * @addtogroup STM32F37x_DMA + * @{ + */ + +#ifndef _STM32_DMA_H_ +#define _STM32_DMA_H_ + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @brief Total number of DMA streams. + * @note This is the total number of streams among all the DMA units. + */ +#if STM32_HAS_DMA2 || defined(__DOXYGEN__) +#define STM32_DMA_STREAMS 12 +#else +#define STM32_DMA_STREAMS 7 +#endif + +/** + * @brief Mask of the ISR bits passed to the DMA callback functions. + */ +#define STM32_DMA_ISR_MASK 0x0F + +/** + * @brief Returns the channel associated to the specified stream. + * + * @param[in] n the stream number (0...STM32_DMA_STREAMS-1) + * @param[in] c a stream/channel association word, one channel per + * nibble, not associated channels must be set to 0xF + * @return Always zero, in this platform there is no dynamic + * association between streams and channels. + */ +#define STM32_DMA_GETCHANNEL(n, c) 0 + +/** + * @brief Checks if a DMA priority is within the valid range. + * @param[in] prio DMA priority + * + * @retval The check result. + * @retval FALSE invalid DMA priority. + * @retval TRUE correct DMA priority. + */ +#define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0) && ((prio) <= 3)) + +/** + * @brief Returns an unique numeric identifier for a DMA stream. + * + * @param[in] dma the DMA unit number + * @param[in] stream the stream number + * @return An unique numeric stream identifier. + */ +#define STM32_DMA_STREAM_ID(dma, stream) ((((dma) - 1) * 7) + ((stream) - 1)) + +/** + * @brief Returns a DMA stream identifier mask. + * + * + * @param[in] dma the DMA unit number + * @param[in] stream the stream number + * @return A DMA stream identifier mask. + */ +#define STM32_DMA_STREAM_ID_MSK(dma, stream) \ + (1 << STM32_DMA_STREAM_ID(dma, stream)) + +/** + * @brief Checks if a DMA stream unique identifier belongs to a mask. + * @param[in] id the stream numeric identifier + * @param[in] mask the stream numeric identifiers mask + * + * @retval The check result. + * @retval FALSE id does not belong to the mask. + * @retval TRUE id belongs to the mask. + */ +#define STM32_DMA_IS_VALID_ID(id, mask) (((1 << (id)) & (mask))) + +/** + * @name DMA streams identifiers + * @{ + */ +/** + * @brief Returns a pointer to a stm32_dma_stream_t structure. + * + * @param[in] id the stream numeric identifier + * @return A pointer to the stm32_dma_stream_t constant structure + * associated to the DMA stream. + */ +#define STM32_DMA_STREAM(id) (&_stm32_dma_streams[id]) + +#define STM32_DMA1_STREAM1 STM32_DMA_STREAM(0) +#define STM32_DMA1_STREAM2 STM32_DMA_STREAM(1) +#define STM32_DMA1_STREAM3 STM32_DMA_STREAM(2) +#define STM32_DMA1_STREAM4 STM32_DMA_STREAM(3) +#define STM32_DMA1_STREAM5 STM32_DMA_STREAM(4) +#define STM32_DMA1_STREAM6 STM32_DMA_STREAM(5) +#define STM32_DMA1_STREAM7 STM32_DMA_STREAM(6) +#define STM32_DMA2_STREAM1 STM32_DMA_STREAM(7) +#define STM32_DMA2_STREAM2 STM32_DMA_STREAM(8) +#define STM32_DMA2_STREAM3 STM32_DMA_STREAM(9) +#define STM32_DMA2_STREAM4 STM32_DMA_STREAM(10) +#define STM32_DMA2_STREAM5 STM32_DMA_STREAM(11) +/** @} */ + +/** + * @name CR register constants common to all DMA types + * @{ + */ +#define STM32_DMA_CR_EN DMA_CCR_EN +#define STM32_DMA_CR_TEIE DMA_CCR_TEIE +#define STM32_DMA_CR_HTIE DMA_CCR_HTIE +#define STM32_DMA_CR_TCIE DMA_CCR_TCIE +#define STM32_DMA_CR_DIR_MASK (DMA_CCR_DIR | DMA_CCR_MEM2MEM) +#define STM32_DMA_CR_DIR_P2M 0 +#define STM32_DMA_CR_DIR_M2P DMA_CCR_DIR +#define STM32_DMA_CR_DIR_M2M DMA_CCR_MEM2MEM +#define STM32_DMA_CR_CIRC DMA_CCR_CIRC +#define STM32_DMA_CR_PINC DMA_CCR_PINC +#define STM32_DMA_CR_MINC DMA_CCR_MINC +#define STM32_DMA_CR_PSIZE_MASK DMA_CCR_PSIZE +#define STM32_DMA_CR_PSIZE_BYTE 0 +#define STM32_DMA_CR_PSIZE_HWORD DMA_CCR_PSIZE_0 +#define STM32_DMA_CR_PSIZE_WORD DMA_CCR_PSIZE_1 +#define STM32_DMA_CR_MSIZE_MASK DMA_CCR_MSIZE +#define STM32_DMA_CR_MSIZE_BYTE 0 +#define STM32_DMA_CR_MSIZE_HWORD DMA_CCR_MSIZE_0 +#define STM32_DMA_CR_MSIZE_WORD DMA_CCR_MSIZE_1 +#define STM32_DMA_CR_SIZE_MASK (STM32_DMA_CR_PSIZE_MASK | \ + STM32_DMA_CR_MSIZE_MASK) +#define STM32_DMA_CR_PL_MASK DMA_CCR_PL +#define STM32_DMA_CR_PL(n) ((n) << 12) +/** @} */ + +/** + * @name CR register constants only found in enhanced DMA + * @{ + */ +#define STM32_DMA_CR_DMEIE 0 /**< @brief Ignored by normal DMA. */ +#define STM32_DMA_CR_CHSEL_MASK 0 /**< @brief Ignored by normal DMA. */ +#define STM32_DMA_CR_CHSEL(n) 0 /**< @brief Ignored by normal DMA. */ +/** @} */ + +/** + * @name Status flags passed to the ISR callbacks + * @{ + */ +#define STM32_DMA_ISR_FEIF 0 +#define STM32_DMA_ISR_DMEIF 0 +#define STM32_DMA_ISR_TEIF DMA_ISR_TEIF1 +#define STM32_DMA_ISR_HTIF DMA_ISR_HTIF1 +#define STM32_DMA_ISR_TCIF DMA_ISR_TCIF1 +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief STM32 DMA stream descriptor structure. + */ +typedef struct { + DMA_Channel_TypeDef *channel; /**< @brief Associated DMA channel. */ + volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */ + uint8_t ishift; /**< @brief Bits offset in xIFCR + register. */ + uint8_t selfindex; /**< @brief Index to self in array. */ + uint8_t vector; /**< @brief Associated IRQ vector. */ +} stm32_dma_stream_t; + +/** + * @brief STM32 DMA ISR function type. + * + * @param[in] p parameter for the registered function + * @param[in] flags pre-shifted content of the ISR register, the bits + * are aligned to bit zero + */ +typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags); + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @name Macro Functions + * @{ + */ +/** + * @brief Associates a peripheral data register to a DMA stream. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] addr value to be written in the CPAR register + * + * @special + */ +#define dmaStreamSetPeripheral(dmastp, addr) { \ + (dmastp)->channel->CPAR = (uint32_t)(addr); \ +} + +/** + * @brief Associates a memory destination to a DMA stream. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] addr value to be written in the CMAR register + * + * @special + */ +#define dmaStreamSetMemory0(dmastp, addr) { \ + (dmastp)->channel->CMAR = (uint32_t)(addr); \ +} + +/** + * @brief Sets the number of transfers to be performed. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] size value to be written in the CNDTR register + * + * @special + */ +#define dmaStreamSetTransactionSize(dmastp, size) { \ + (dmastp)->channel->CNDTR = (uint32_t)(size); \ +} + +/** + * @brief Returns the number of transfers to be performed. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @return The number of transfers to be performed. + * + * @special + */ +#define dmaStreamGetTransactionSize(dmastp) ((size_t)((dmastp)->channel->CNDTR)) + +/** + * @brief Programs the stream mode settings. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] mode value to be written in the CCR register + * + * @special + */ +#define dmaStreamSetMode(dmastp, mode) { \ + (dmastp)->channel->CCR = (uint32_t)(mode); \ +} + +/** + * @brief DMA stream enable. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * + * @special + */ +#define dmaStreamEnable(dmastp) { \ + (dmastp)->channel->CCR |= STM32_DMA_CR_EN; \ +} + +/** + * @brief DMA stream disable. + * @details The function disables the specified stream and then clears any + * pending interrupt. + * @note This function can be invoked in both ISR or thread context. + * @note Interrupts enabling flags are set to zero after this call, see + * bug 3607518. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * + * @special + */ +#define dmaStreamDisable(dmastp) { \ + (dmastp)->channel->CCR &= ~(STM32_DMA_CR_TCIE | STM32_DMA_CR_HTIE | \ + STM32_DMA_CR_TEIE | STM32_DMA_CR_EN); \ + dmaStreamClearInterrupt(dmastp); \ +} + +/** + * @brief DMA stream interrupt sources clear. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * + * @special + */ +#define dmaStreamClearInterrupt(dmastp) { \ + *(dmastp)->ifcr = STM32_DMA_ISR_MASK << (dmastp)->ishift; \ +} + +/** + * @brief Starts a memory to memory operation using the specified stream. + * @note The default transfer data mode is "byte to byte" but it can be + * changed by specifying extra options in the @p mode parameter. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] mode value to be written in the CCR register, this value + * is implicitly ORed with: + * - @p STM32_DMA_CR_MINC + * - @p STM32_DMA_CR_PINC + * - @p STM32_DMA_CR_DIR_M2M + * - @p STM32_DMA_CR_EN + * . + * @param[in] src source address + * @param[in] dst destination address + * @param[in] n number of data units to copy + */ +#define dmaStartMemCopy(dmastp, mode, src, dst, n) { \ + dmaStreamSetPeripheral(dmastp, src); \ + dmaStreamSetMemory0(dmastp, dst); \ + dmaStreamSetTransactionSize(dmastp, n); \ + dmaStreamSetMode(dmastp, (mode) | \ + STM32_DMA_CR_MINC | STM32_DMA_CR_PINC | \ + STM32_DMA_CR_DIR_M2M | STM32_DMA_CR_EN); \ +} + +/** + * @brief Polled wait for DMA transfer end. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + */ +#define dmaWaitCompletion(dmastp) { \ + while ((dmastp)->channel->CNDTR > 0) \ + ; \ + dmaStreamDisable(dmastp); \ +} + +/** @} */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#if !defined(__DOXYGEN__) +extern const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS]; +#endif + +#ifdef __cplusplus +extern "C" { +#endif + void dmaInit(void); + bool_t dmaStreamAllocate(const stm32_dma_stream_t *dmastp, + uint32_t priority, + stm32_dmaisr_t func, + void *param); + void dmaStreamRelease(const stm32_dma_stream_t *dmastp); +#ifdef __cplusplus +} +#endif + +#endif /* _STM32_DMA_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32F37x/stm32_isr.h b/os/hal/ports/STM32F37x/stm32_isr.h new file mode 100644 index 000000000..30d98163e --- /dev/null +++ b/os/hal/ports/STM32F37x/stm32_isr.h @@ -0,0 +1,126 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F37x/stm32_isr.h + * @brief ISR remapper driver header. + * + * @addtogroup STM32F37x_ISR + * @{ + */ + +#ifndef _STM32_ISR_H_ +#define _STM32_ISR_H_ + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @name ISR names and numbers remapping + * @{ + */ +/* + * CAN units. + */ +#define STM32_CAN1_TX_HANDLER Vector8C +#define STM32_CAN1_RX0_HANDLER Vector90 +#define STM32_CAN1_RX1_HANDLER Vector94 +#define STM32_CAN1_SCE_HANDLER Vector98 + +#define STM32_CAN1_TX_NUMBER 19 +#define STM32_CAN1_RX0_NUMBER 20 +#define STM32_CAN1_RX1_NUMBER 21 +#define STM32_CAN1_SCE_NUMBER 22 + +/* + * I2C units. + */ +#define STM32_I2C1_EVENT_HANDLER VectorBC +#define STM32_I2C1_ERROR_HANDLER VectorC0 +#define STM32_I2C1_EVENT_NUMBER 31 +#define STM32_I2C1_ERROR_NUMBER 32 + +#define STM32_I2C2_EVENT_HANDLER VectorC4 +#define STM32_I2C2_ERROR_HANDLER VectorC8 +#define STM32_I2C2_EVENT_NUMBER 33 +#define STM32_I2C2_ERROR_NUMBER 34 + +/* + * TIM units. + */ +#define STM32_TIM2_HANDLER VectorB0 +#define STM32_TIM3_HANDLER VectorB4 +#define STM32_TIM4_HANDLER VectorB8 +#define STM32_TIM5_HANDLER Vector108 +#define STM32_TIM6_HANDLER Vector118 +#define STM32_TIM7_HANDLER Vector11C +#define STM32_TIM12_HANDLER VectorEC +#define STM32_TIM14_HANDLER VectorF4 + +#define STM32_TIM2_NUMBER 28 +#define STM32_TIM3_NUMBER 29 +#define STM32_TIM4_NUMBER 30 +#define STM32_TIM5_NUMBER 50 +#define STM32_TIM6_NUMBER 54 +#define STM32_TIM7_NUMBER 55 +#define STM32_TIM12_NUMBER 43 +#define STM32_TIM14_NUMBER 45 + +/* + * USART units. + */ +#define STM32_USART1_HANDLER VectorD4 +#define STM32_USART2_HANDLER VectorD8 +#define STM32_USART3_HANDLER VectorDC + +#define STM32_USART1_NUMBER 37 +#define STM32_USART2_NUMBER 38 +#define STM32_USART3_NUMBER 39 + +/* + * USB units. + */ +#define STM32_USB1_HP_HANDLER Vector168 +#define STM32_USB1_LP_HANDLER Vector16C + +#define STM32_USB1_HP_NUMBER 74 +#define STM32_USB1_LP_NUMBER 75 +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#endif /* _STM32_ISR_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32F37x/stm32_rcc.h b/os/hal/ports/STM32F37x/stm32_rcc.h new file mode 100644 index 000000000..607d9d7bc --- /dev/null +++ b/os/hal/ports/STM32F37x/stm32_rcc.h @@ -0,0 +1,860 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F37x/stm32_rcc.h + * @brief RCC helper driver header. + * @note This file requires definitions from the ST header file + * @p stm32f30x.h. + * + * @addtogroup STM32F37x_RCC + * @{ + */ + +#ifndef _STM32_RCC_ +#define _STM32_RCC_ + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @name Generic RCC operations + * @{ + */ +/** + * @brief Enables the clock of one or more peripheral on the APB1 bus. + * + * @param[in] mask APB1 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAPB1(mask, lp) { \ + RCC->APB1ENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the APB1 bus. + * + * @param[in] mask APB1 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAPB1(mask, lp) { \ + RCC->APB1ENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the APB1 bus. + * + * @param[in] mask APB1 peripherals mask + * + * @api + */ +#define rccResetAPB1(mask) { \ + RCC->APB1RSTR |= (mask); \ + RCC->APB1RSTR = 0; \ +} + +/** + * @brief Enables the clock of one or more peripheral on the APB2 bus. + * + * @param[in] mask APB2 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAPB2(mask, lp) { \ + RCC->APB2ENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the APB2 bus. + * + * @param[in] mask APB2 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAPB2(mask, lp) { \ + RCC->APB2ENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the APB2 bus. + * + * @param[in] mask APB2 peripherals mask + * + * @api + */ +#define rccResetAPB2(mask) { \ + RCC->APB2RSTR |= (mask); \ + RCC->APB2RSTR = 0; \ +} + +/** + * @brief Enables the clock of one or more peripheral on the AHB bus. + * + * @param[in] mask AHB peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAHB(mask, lp) { \ + RCC->AHBENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the AHB bus. + * + * @param[in] mask AHB peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAHB(mask, lp) { \ + RCC->AHBENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the AHB bus. + * + * @param[in] mask AHB peripherals mask + * + * @api + */ +#define rccResetAHB(mask) { \ + RCC->AHBRSTR |= (mask); \ + RCC->AHBRSTR = 0; \ +} +/** @} */ + +/** + * @name ADC1 peripheral specific RCC operations + * @{ + */ +/** + * @brief Enables the ADC peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableADC1(lp) rccEnableAPB2(RCC_APB2ENR_ADC1EN, lp) + +/** + * @brief Disables the ADC1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableADC1(lp) rccDisableAPB2(RCC_APB2ENR_ADC1EN, lp) + +/** + * @brief Resets the ADC1 peripheral. + * + * @api + */ +#define rccResetADC1() rccResetAPB2(RCC_APB2RSTR_ADC1RST) +/** @} */ + +/** + * @name CAN peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the CAN1 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableCAN1(lp) rccEnableAPB1(RCC_APB1ENR_CAN1EN, lp) + +/** + * @brief Disables the CAN1 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableCAN1(lp) rccDisableAPB1(RCC_APB1ENR_CAN1EN, lp) + +/** + * @brief Resets the CAN1 peripheral. + * + * @api + */ +#define rccResetCAN1() rccResetAPB1(RCC_APB1RSTR_CAN1RST) +/** @} */ + +/** + * @name DMA peripheral specific RCC operations + * @{ + */ +/** + * @brief Enables the DMA1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableDMA1(lp) rccEnableAHB(RCC_AHBENR_DMA1EN, lp) + +/** + * @brief Disables the DMA1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableDMA1(lp) rccDisableAHB(RCC_AHBENR_DMA1EN, lp) + +/** + * @brief Resets the DMA1 peripheral. + * + * @api + */ +#define rccResetDMA1() rccResetAHB(RCC_AHBRSTR_DMA1RST) + +/** + * @brief Enables the DMA2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableDMA2(lp) rccEnableAHB(RCC_AHBENR_DMA2EN, lp) + +/** + * @brief Disables the DMA2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableDMA2(lp) rccDisableAHB(RCC_AHBENR_DMA2EN, lp) + +/** + * @brief Resets the DMA2 peripheral. + * + * @api + */ +#define rccResetDMA2() rccResetAHB(RCC_AHBRSTR_DMA2RST) +/** @} */ + +/** + * @name PWR interface specific RCC operations + * @{ + */ +/** + * @brief Enables the PWR interface clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnablePWRInterface(lp) rccEnableAPB1(RCC_APB1ENR_PWREN, lp) + +/** + * @brief Disables PWR interface clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisablePWRInterface(lp) rccDisableAPB1(RCC_APB1ENR_PWREN, lp) + +/** + * @brief Resets the PWR interface. + * + * @api + */ +#define rccResetPWRInterface() rccResetAPB1(RCC_APB1RSTR_PWRRST) +/** @} */ + +/** + * @name I2C peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the I2C1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp) + +/** + * @brief Disables the I2C1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableI2C1(lp) rccDisableAPB1(RCC_APB1ENR_I2C1EN, lp) + +/** + * @brief Resets the I2C1 peripheral. + * + * @api + */ +#define rccResetI2C1() rccResetAPB1(RCC_APB1RSTR_I2C1RST) + +/** + * @brief Enables the I2C2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp) + +/** + * @brief Disables the I2C2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableI2C2(lp) rccDisableAPB1(RCC_APB1ENR_I2C2EN, lp) + +/** + * @brief Resets the I2C2 peripheral. + * + * @api + */ +#define rccResetI2C2() rccResetAPB1(RCC_APB1RSTR_I2C2RST) +/** @} */ + +/** + * @name SDADC peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the SDADC1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSDADC1(lp) rccEnableAPB2(RCC_APB2ENR_SDADC1EN, lp) + +/** + * @brief Disables the SDADC1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableSDADC1(lp) rccDisableAPB2(RCC_APB2ENR_SDADC1EN, lp) + +/** + * @brief Resets the SDADC1 peripheral. + * + * @api + */ +#define rccResetSDADC1() rccResetAPB2(RCC_APB2RSTR_SDADC1RST) + +/** + * @brief Enables the SDADC2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSDADC2(lp) rccEnableAPB2(RCC_APB2ENR_SDADC2EN, lp) + +/** + * @brief Disables the SDADC2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableSDADC2(lp) rccDisableAPB2(RCC_APB2ENR_SDADC2EN, lp) + +/** + * @brief Resets the SDADC2 peripheral. + * + * @api + */ +#define rccResetSDADC2() rccResetAPB2(RCC_APB2RSTR_SDADC2RST) + +/** + * @brief Enables the SDADC3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSDADC3(lp) rccEnableAPB2(RCC_APB2ENR_SDADC3EN, lp) + +/** + * @brief Disables the SDADC3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableSDADC3(lp) rccDisableAPB2(RCC_APB2ENR_SDADC3EN, lp) + +/** + * @brief Resets the SDADC3 peripheral. + * + * @api + */ +#define rccResetSDADC3() rccResetAPB2(RCC_APB2RSTR_SDADC3RST) +/** @} */ + +/** + * @name SPI peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the SPI1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp) + +/** + * @brief Disables the SPI1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableSPI1(lp) rccDisableAPB2(RCC_APB2ENR_SPI1EN, lp) + +/** + * @brief Resets the SPI1 peripheral. + * + * @api + */ +#define rccResetSPI1() rccResetAPB2(RCC_APB2RSTR_SPI1RST) + +/** + * @brief Enables the SPI2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp) + +/** + * @brief Disables the SPI2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableSPI2(lp) rccDisableAPB1(RCC_APB1ENR_SPI2EN, lp) + +/** + * @brief Resets the SPI2 peripheral. + * + * @api + */ +#define rccResetSPI2() rccResetAPB1(RCC_APB1RSTR_SPI2RST) + +/** + * @brief Enables the SPI3 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSPI3(lp) rccEnableAPB1(RCC_APB1ENR_SPI3EN, lp) + +/** + * @brief Disables the SPI3 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableSPI3(lp) rccDisableAPB1(RCC_APB1ENR_SPI3EN, lp) + +/** + * @brief Resets the SPI3 peripheral. + * + * @api + */ +#define rccResetSPI3() rccResetAPB1(RCC_APB1RSTR_SPI3RST) +/** @} */ + +/** + * @name TIM peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the TIM2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM2(lp) rccEnableAPB1(RCC_APB1ENR_TIM2EN, lp) + +/** + * @brief Disables the TIM2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM2(lp) rccDisableAPB1(RCC_APB1ENR_TIM2EN, lp) + +/** + * @brief Resets the TIM2 peripheral. + * + * @api + */ +#define rccResetTIM2() rccResetAPB1(RCC_APB1RSTR_TIM2RST) + +/** + * @brief Enables the TIM3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM3(lp) rccEnableAPB1(RCC_APB1ENR_TIM3EN, lp) + +/** + * @brief Disables the TIM3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM3(lp) rccDisableAPB1(RCC_APB1ENR_TIM3EN, lp) + +/** + * @brief Resets the TIM3 peripheral. + * + * @api + */ +#define rccResetTIM3() rccResetAPB1(RCC_APB1RSTR_TIM3RST) + +/** + * @brief Enables the TIM4 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM4(lp) rccEnableAPB1(RCC_APB1ENR_TIM4EN, lp) + +/** + * @brief Disables the TIM4 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM4(lp) rccDisableAPB1(RCC_APB1ENR_TIM4EN, lp) + +/** + * @brief Resets the TIM4 peripheral. + * + * @api + */ +#define rccResetTIM4() rccResetAPB1(RCC_APB1RSTR_TIM4RST) + +/** + * @brief Enables the TIM5 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM5(lp) rccEnableAPB1(RCC_APB1ENR_TIM5EN, lp) + +/** + * @brief Disables the TIM5 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM5(lp) rccDisableAPB1(RCC_APB1ENR_TIM5EN, lp) + +/** + * @brief Resets the TIM5 peripheral. + * + * @api + */ +#define rccResetTIM5() rccResetAPB1(RCC_APB1RSTR_TIM5RST) + +/** + * @brief Enables the TIM6 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM6(lp) rccEnableAPB1(RCC_APB1ENR_TIM6EN, lp) + +/** + * @brief Disables the TIM6 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM6(lp) rccDisableAPB1(RCC_APB1ENR_TIM6EN, lp) + +/** + * @brief Resets the TIM6 peripheral. + * + * @api + */ +#define rccResetTIM6() rccResetAPB1(RCC_APB1RSTR_TIM6RST) +/** @} */ + +/** + * @brief Enables the TIM7 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM7(lp) rccEnableAPB1(RCC_APB1ENR_TIM7EN, lp) + +/** + * @brief Disables the TIM7 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM7(lp) rccDisableAPB1(RCC_APB1ENR_TIM7EN, lp) + +/** + * @brief Resets the TIM7 peripheral. + * + * @api + */ +#define rccResetTIM7() rccResetAPB1(RCC_APB1RSTR_TIM7RST) +/** @} */ + +/** + * @brief Enables the TIM12 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM12(lp) rccEnableAPB1(RCC_APB1ENR_TIM12EN, lp) + +/** + * @brief Disables the TIM12 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM12(lp) rccDisableAPB1(RCC_APB1ENR_TIM12EN, lp) + +/** + * @brief Resets the TIM12 peripheral. + * + * @api + */ +#define rccResetTIM12() rccResetAPB1(RCC_APB1RSTR_TIM12RST) +/** @} */ + +/** + * @brief Enables the TIM14 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM14(lp) rccEnableAPB1(RCC_APB1ENR_TIM14EN, lp) + +/** + * @brief Disables the TIM14 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM14(lp) rccDisableAPB1(RCC_APB1ENR_TIM14EN, lp) + +/** + * @brief Resets the TIM14 peripheral. + * + * @api + */ +#define rccResetTIM14() rccResetAPB1(RCC_APB1RSTR_TIM14RST) +/** @} */ + +/** + * @name USART/UART peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the USART1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSART1(lp) rccEnableAPB2(RCC_APB2ENR_USART1EN, lp) + +/** + * @brief Disables the USART1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSART1(lp) rccDisableAPB2(RCC_APB2ENR_USART1EN, lp) + +/** + * @brief Resets the USART1 peripheral. + * + * @api + */ +#define rccResetUSART1() rccResetAPB2(RCC_APB2RSTR_USART1RST) + +/** + * @brief Enables the USART2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSART2(lp) rccEnableAPB1(RCC_APB1ENR_USART2EN, lp) + +/** + * @brief Disables the USART2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSART2(lp) rccDisableAPB1(RCC_APB1ENR_USART2EN, lp) + +/** + * @brief Resets the USART2 peripheral. + * + * @api + */ +#define rccResetUSART2() rccResetAPB1(RCC_APB1RSTR_USART2RST) + +/** + * @brief Enables the USART3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSART3(lp) rccEnableAPB1(RCC_APB1ENR_USART3EN, lp) + +/** + * @brief Disables the USART3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSART3(lp) rccDisableAPB1(RCC_APB1ENR_USART3EN, lp) + +/** + * @brief Resets the USART3 peripheral. + * + * @api + */ +#define rccResetUSART3() rccResetAPB1(RCC_APB1RSTR_USART3RST) +/** @} */ + +/** + * @name USB peripheral specific RCC operations + * @{ + */ +/** + * @brief Enables the USB peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSB(lp) rccEnableAPB1(RCC_APB1ENR_USBEN, lp) + +/** + * @brief Disables the USB peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSB(lp) rccDisableAPB1(RCC_APB1ENR_USBEN, lp) + +/** + * @brief Resets the USB peripheral. + * + * @api + */ +#define rccResetUSB() rccResetAPB1(RCC_APB1RSTR_USBRST) +/** @} */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif +#ifdef __cplusplus +} +#endif + +#endif /* _STM32_RCC_ */ + +/** @} */ diff --git a/os/hal/ports/STM32F37x/stm32_registry.h b/os/hal/ports/STM32F37x/stm32_registry.h new file mode 100644 index 000000000..8f0842263 --- /dev/null +++ b/os/hal/ports/STM32F37x/stm32_registry.h @@ -0,0 +1,207 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32F37x/stm32_registry.h + * @brief STM32F37x capabilities registry. + * + * @addtogroup HAL + * @{ + */ + +#ifndef _STM32_REGISTRY_H_ +#define _STM32_REGISTRY_H_ + +/*===========================================================================*/ +/* Platform capabilities. */ +/*===========================================================================*/ + +/** + * @name STM32F37x capabilities + * @{ + */ +/* ADC attributes.*/ +#define STM32_HAS_ADC1 TRUE +#define STM32_ADC1_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 1)) +#define STM32_ADC1_DMA_CHN 0x00000000 + +#define STM32_HAS_ADC2 FALSE +#define STM32_ADC2_DMA_MSK 0 +#define STM32_ADC2_DMA_CHN 0x00000000 + +#define STM32_HAS_ADC3 FALSE +#define STM32_ADC3_DMA_MSK 0 +#define STM32_ADC3_DMA_CHN 0x00000000 + +#define STM32_HAS_ADC4 FALSE +#define STM32_ADC4_DMA_MSK 0 +#define STM32_ADC4_DMA_CHN 0x00000000 + +#define STM32_HAS_SDADC1 TRUE +#define STM32_SDADC1_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 3)) +#define STM32_SDADC1_DMA_CHN 0x00000000 + +#define STM32_HAS_SDADC2 TRUE +#define STM32_SDADC2_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 4)) +#define STM32_SDADC2_DMA_CHN 0x00000000 + +#define STM32_HAS_SDADC3 TRUE +#define STM32_SDADC3_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 5)) +#define STM32_SDADC3_DMA_CHN 0x00000000 + +/* CAN attributes.*/ +#define STM32_HAS_CAN1 TRUE +#define STM32_HAS_CAN2 FALSE +#define STM32_CAN_MAX_FILTERS 14 + +/* DAC attributes.*/ +#define STM32_HAS_DAC TRUE + +/* DMA attributes.*/ +#define STM32_ADVANCED_DMA FALSE +#define STM32_HAS_DMA1 TRUE +#define STM32_HAS_DMA2 TRUE + +/* ETH attributes.*/ +#define STM32_HAS_ETH FALSE + +/* EXTI attributes.*/ +#define STM32_EXTI_NUM_CHANNELS 29 + +/* GPIO attributes.*/ +#define STM32_HAS_GPIOA TRUE +#define STM32_HAS_GPIOB TRUE +#define STM32_HAS_GPIOC TRUE +#define STM32_HAS_GPIOD TRUE +#define STM32_HAS_GPIOE TRUE +#define STM32_HAS_GPIOF TRUE +#define STM32_HAS_GPIOG FALSE +#define STM32_HAS_GPIOH FALSE +#define STM32_HAS_GPIOI FALSE + +/* I2C attributes.*/ +#define STM32_HAS_I2C1 TRUE +#define STM32_I2C1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 7)) +#define STM32_I2C1_RX_DMA_CHN 0x00000000 +#define STM32_I2C1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 6)) +#define STM32_I2C1_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_I2C2 TRUE +#define STM32_I2C2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5)) +#define STM32_I2C2_RX_DMA_CHN 0x00000000 +#define STM32_I2C2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4)) +#define STM32_I2C2_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_I2C3 FALSE +#define STM32_I2C3_RX_DMA_MSK 0 +#define STM32_I2C3_RX_DMA_CHN 0x00000000 +#define STM32_I2C3_TX_DMA_MSK 0 +#define STM32_I2C3_TX_DMA_CHN 0x00000000 + +/* RTC attributes.*/ +#define STM32_HAS_RTC TRUE +#define STM32_RTC_HAS_SUBSECONDS TRUE +#define STM32_RTC_IS_CALENDAR TRUE + +/* SDIO attributes.*/ +#define STM32_HAS_SDIO FALSE + +/* SPI attributes.*/ +#define STM32_HAS_SPI1 TRUE +#define STM32_SPI1_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 2) +#define STM32_SPI1_RX_DMA_CHN 0x00000000 +#define STM32_SPI1_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 3) +#define STM32_SPI1_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_SPI2 TRUE +#define STM32_SPI2_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 4) +#define STM32_SPI2_RX_DMA_CHN 0x00000000 +#define STM32_SPI2_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 5) +#define STM32_SPI2_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_SPI3 TRUE +#define STM32_SPI3_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(2, 1) +#define STM32_SPI3_RX_DMA_CHN 0x00000000 +#define STM32_SPI3_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(2, 2) +#define STM32_SPI3_TX_DMA_CHN 0x00000000 + +/* TIM attributes.*/ +#define STM32_HAS_TIM1 FALSE +#define STM32_HAS_TIM2 TRUE +#define STM32_HAS_TIM3 TRUE +#define STM32_HAS_TIM4 TRUE +#define STM32_HAS_TIM5 TRUE +#define STM32_HAS_TIM6 TRUE +#define STM32_HAS_TIM7 TRUE +#define STM32_HAS_TIM8 FALSE +#define STM32_HAS_TIM9 FALSE +#define STM32_HAS_TIM10 FALSE +#define STM32_HAS_TIM11 FALSE +#define STM32_HAS_TIM12 TRUE +#define STM32_HAS_TIM13 TRUE +#define STM32_HAS_TIM14 TRUE +#define STM32_HAS_TIM15 TRUE +#define STM32_HAS_TIM16 TRUE +#define STM32_HAS_TIM17 TRUE +#define STM32_HAS_TIM18 TRUE +#define STM32_HAS_TIM19 TRUE + +/* USART attributes.*/ +#define STM32_HAS_USART1 TRUE +#define STM32_USART1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5)) +#define STM32_USART1_RX_DMA_CHN 0x00000000 +#define STM32_USART1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4)) +#define STM32_USART1_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_USART2 TRUE +#define STM32_USART2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 6)) +#define STM32_USART2_RX_DMA_CHN 0x00000000 +#define STM32_USART2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 7)) +#define STM32_USART2_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_USART3 TRUE +#define STM32_USART3_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 3)) +#define STM32_USART3_RX_DMA_CHN 0x00000000 +#define STM32_USART3_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 2)) +#define STM32_USART3_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_UART4 FALSE +#define STM32_UART4_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 3)) +#define STM32_UART4_RX_DMA_CHN 0x00000000 +#define STM32_UART4_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(2, 5)) +#define STM32_UART4_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_UART5 FALSE +#define STM32_UART5_RX_DMA_MSK 0 +#define STM32_UART5_RX_DMA_CHN 0x00000000 +#define STM32_UART5_TX_DMA_MSK 0 +#define STM32_UART5_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_USART6 FALSE +#define STM32_USART6_RX_DMA_MSK 0 +#define STM32_USART6_RX_DMA_CHN 0x00000000 +#define STM32_USART6_TX_DMA_MSK 0 +#define STM32_USART6_TX_DMA_CHN 0x00000000 + +/* USB attributes.*/ +#define STM32_HAS_USB TRUE +#define STM32_HAS_OTG1 FALSE +#define STM32_HAS_OTG2 FALSE +/** @} */ + +#endif /* _STM32_REGISTRY_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32L1xx/adc_lld.c b/os/hal/ports/STM32L1xx/adc_lld.c new file mode 100644 index 000000000..5e6ec80a2 --- /dev/null +++ b/os/hal/ports/STM32L1xx/adc_lld.c @@ -0,0 +1,282 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32L1xx/adc_lld.c + * @brief STM32L1xx ADC subsystem low level driver source. + * + * @addtogroup ADC + * @{ + */ + +#include "ch.h" +#include "hal.h" + +#if HAL_USE_ADC || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/** @brief ADC1 driver identifier.*/ +#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__) +ADCDriver ADCD1; +#endif + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/** + * @brief ADC DMA ISR service routine. + * + * @param[in] adcp pointer to the @p ADCDriver object + * @param[in] flags pre-shifted content of the ISR register + */ +static void adc_lld_serve_rx_interrupt(ADCDriver *adcp, uint32_t flags) { + + /* DMA errors handling.*/ + if ((flags & (STM32_DMA_ISR_TEIF | STM32_DMA_ISR_DMEIF)) != 0) { + /* DMA, this could help only if the DMA tries to access an unmapped + address space or violates alignment rules.*/ + _adc_isr_error_code(adcp, ADC_ERR_DMAFAILURE); + } + else { + /* It is possible that the conversion group has already be reset by the + ADC error handler, in this case this interrupt is spurious.*/ + if (adcp->grpp != NULL) { + if ((flags & STM32_DMA_ISR_HTIF) != 0) { + /* Half transfer processing.*/ + _adc_isr_half_code(adcp); + } + if ((flags & STM32_DMA_ISR_TCIF) != 0) { + /* Transfer complete processing.*/ + _adc_isr_full_code(adcp); + } + } + } +} + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +#if STM32_ADC_USE_ADC1 || defined(__DOXYGEN__) +/** + * @brief ADC interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(ADC1_IRQHandler) { + uint32_t sr; + + CH_IRQ_PROLOGUE(); + + sr = ADC1->SR; + ADC1->SR = 0; + /* Note, an overflow may occur after the conversion ended before the driver + is able to stop the ADC, this is why the DMA channel is checked too.*/ + if ((sr & ADC_SR_OVR) && (dmaStreamGetTransactionSize(ADCD1.dmastp) > 0)) { + /* ADC overflow condition, this could happen only if the DMA is unable + to read data fast enough.*/ + if (ADCD1.grpp != NULL) + _adc_isr_error_code(&ADCD1, ADC_ERR_OVERFLOW); + } + /* TODO: Add here analog watchdog handling.*/ + + CH_IRQ_EPILOGUE(); +} +#endif + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level ADC driver initialization. + * + * @notapi + */ +void adc_lld_init(void) { + +#if STM32_ADC_USE_ADC1 + /* Driver initialization.*/ + adcObjectInit(&ADCD1); + ADCD1.adc = ADC1; + ADCD1.dmastp = STM32_DMA1_STREAM1; + ADCD1.dmamode = STM32_DMA_CR_PL(STM32_ADC_ADC1_DMA_PRIORITY) | + STM32_DMA_CR_DIR_P2M | + STM32_DMA_CR_MSIZE_HWORD | STM32_DMA_CR_PSIZE_HWORD | + STM32_DMA_CR_MINC | STM32_DMA_CR_TCIE | + STM32_DMA_CR_DMEIE | STM32_DMA_CR_TEIE; +#endif + + /* The shared vector is initialized on driver initialization and never + disabled.*/ + nvicEnableVector(ADC1_IRQn, CORTEX_PRIORITY_MASK(STM32_ADC_IRQ_PRIORITY)); +} + +/** + * @brief Configures and activates the ADC peripheral. + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @notapi + */ +void adc_lld_start(ADCDriver *adcp) { + + /* If in stopped state then enables the ADC and DMA clocks.*/ + if (adcp->state == ADC_STOP) { +#if STM32_ADC_USE_ADC1 + if (&ADCD1 == adcp) { + bool_t b; + b = dmaStreamAllocate(adcp->dmastp, + STM32_ADC_ADC1_DMA_IRQ_PRIORITY, + (stm32_dmaisr_t)adc_lld_serve_rx_interrupt, + (void *)adcp); + chDbgAssert(!b, "adc_lld_start(), #1", "stream already allocated"); + dmaStreamSetPeripheral(adcp->dmastp, &ADC1->DR); + rccEnableADC1(FALSE); + } +#endif /* STM32_ADC_USE_ADC1 */ + + /* ADC initial setup, starting the analog part here in order to reduce + the latency when starting a conversion.*/ + adcp->adc->CR1 = 0; + adcp->adc->CR2 = 0; + adcp->adc->CR2 = ADC_CR2_ADON; + } +} + +/** + * @brief Deactivates the ADC peripheral. + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @notapi + */ +void adc_lld_stop(ADCDriver *adcp) { + + /* If in ready state then disables the ADC clock and analog part.*/ + if (adcp->state == ADC_READY) { + dmaStreamRelease(adcp->dmastp); + adcp->adc->CR1 = 0; + adcp->adc->CR2 = 0; + +#if STM32_ADC_USE_ADC1 + if (&ADCD1 == adcp) + rccDisableADC1(FALSE); +#endif + } +} + +/** + * @brief Starts an ADC conversion. + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @notapi + */ +void adc_lld_start_conversion(ADCDriver *adcp) { + uint32_t mode; + const ADCConversionGroup *grpp = adcp->grpp; + + /* DMA setup.*/ + mode = adcp->dmamode; + if (grpp->circular) { + mode |= STM32_DMA_CR_CIRC; + } + if (adcp->depth > 1) { + /* If the buffer depth is greater than one then the half transfer interrupt + interrupt is enabled in order to allows streaming processing.*/ + mode |= STM32_DMA_CR_HTIE; + } + dmaStreamSetMemory0(adcp->dmastp, adcp->samples); + dmaStreamSetTransactionSize(adcp->dmastp, (uint32_t)grpp->num_channels * + (uint32_t)adcp->depth); + dmaStreamSetMode(adcp->dmastp, mode); + dmaStreamEnable(adcp->dmastp); + + /* ADC setup.*/ + adcp->adc->SR = 0; + adcp->adc->SMPR1 = grpp->smpr1; + adcp->adc->SMPR2 = grpp->smpr2; + adcp->adc->SMPR3 = grpp->smpr3; + adcp->adc->SQR1 = grpp->sqr1; + adcp->adc->SQR2 = grpp->sqr2; + adcp->adc->SQR3 = grpp->sqr3; + adcp->adc->SQR4 = grpp->sqr4; + adcp->adc->SQR5 = grpp->sqr5; + + /* ADC configuration and start, the start is performed using the method + specified in the CR2 configuration, usually ADC_CR2_SWSTART.*/ + adcp->adc->CR1 = grpp->cr1 | ADC_CR1_OVRIE | ADC_CR1_SCAN; + if ((grpp->cr2 & ADC_CR2_SWSTART) != 0) + adcp->adc->CR2 = grpp->cr2 | ADC_CR2_CONT | ADC_CR2_DMA | + ADC_CR2_DDS | ADC_CR2_ADON; + else + adcp->adc->CR2 = grpp->cr2 | ADC_CR2_DMA | + ADC_CR2_DDS | ADC_CR2_ADON; +} + +/** + * @brief Stops an ongoing conversion. + * + * @param[in] adcp pointer to the @p ADCDriver object + * + * @notapi + */ +void adc_lld_stop_conversion(ADCDriver *adcp) { + + dmaStreamDisable(adcp->dmastp); + adcp->adc->CR1 = 0; + adcp->adc->CR2 = 0; + adcp->adc->CR2 = ADC_CR2_ADON; +} + +/** + * @brief Enables the TSVREFE bit. + * @details The TSVREFE bit is required in order to sample the internal + * temperature sensor and internal reference voltage. + * @note This is an STM32-only functionality. + */ +void adcSTM32EnableTSVREFE(void) { + + ADC->CCR |= ADC_CCR_TSVREFE; +} + +/** + * @brief Disables the TSVREFE bit. + * @details The TSVREFE bit is required in order to sample the internal + * temperature sensor and internal reference voltage. + * @note This is an STM32-only functionality. + */ +void adcSTM32DisableTSVREFE(void) { + + ADC->CCR &= ~ADC_CCR_TSVREFE; +} + +#endif /* HAL_USE_ADC */ + +/** @} */ diff --git a/os/hal/ports/STM32L1xx/adc_lld.h b/os/hal/ports/STM32L1xx/adc_lld.h new file mode 100644 index 000000000..2ac857c16 --- /dev/null +++ b/os/hal/ports/STM32L1xx/adc_lld.h @@ -0,0 +1,484 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32L1xx/adc_lld.h + * @brief STM32L1xx ADC subsystem low level driver header. + * + * @addtogroup ADC + * @{ + */ + +#ifndef _ADC_LLD_H_ +#define _ADC_LLD_H_ + +#if HAL_USE_ADC || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @name Triggers selection + * @{ + */ +#define ADC_CR2_EXTSEL_SRC(n) ((n) << 24) /**< @brief Trigger source. */ +/** @} */ + +/** + * @name ADC clock divider settings + * @{ + */ +#define ADC_CCR_ADCPRE_DIV1 0 +#define ADC_CCR_ADCPRE_DIV2 1 +#define ADC_CCR_ADCPRE_DIV4 2 +/** @} */ + +/** + * @name Available analog channels + * @{ + */ +#define ADC_CHANNEL_IN0 0 /**< @brief External analog input 0. */ +#define ADC_CHANNEL_IN1 1 /**< @brief External analog input 1. */ +#define ADC_CHANNEL_IN2 2 /**< @brief External analog input 2. */ +#define ADC_CHANNEL_IN3 3 /**< @brief External analog input 3. */ +#define ADC_CHANNEL_IN4 4 /**< @brief External analog input 4. */ +#define ADC_CHANNEL_IN5 5 /**< @brief External analog input 5. */ +#define ADC_CHANNEL_IN6 6 /**< @brief External analog input 6. */ +#define ADC_CHANNEL_IN7 7 /**< @brief External analog input 7. */ +#define ADC_CHANNEL_IN8 8 /**< @brief External analog input 8. */ +#define ADC_CHANNEL_IN9 9 /**< @brief External analog input 9. */ +#define ADC_CHANNEL_IN10 10 /**< @brief External analog input 10. */ +#define ADC_CHANNEL_IN11 11 /**< @brief External analog input 11. */ +#define ADC_CHANNEL_IN12 12 /**< @brief External analog input 12. */ +#define ADC_CHANNEL_IN13 13 /**< @brief External analog input 13. */ +#define ADC_CHANNEL_IN14 14 /**< @brief External analog input 14. */ +#define ADC_CHANNEL_IN15 15 /**< @brief External analog input 15. */ +#define ADC_CHANNEL_SENSOR 16 /**< @brief Internal temperature sensor.*/ +#define ADC_CHANNEL_VREFINT 17 /**< @brief Internal reference. */ +#define ADC_CHANNEL_IN18 18 /**< @brief External analog input 18. */ +#define ADC_CHANNEL_IN19 19 /**< @brief External analog input 19. */ +#define ADC_CHANNEL_IN20 20 /**< @brief External analog input 20. */ +#define ADC_CHANNEL_IN21 21 /**< @brief External analog input 21. */ +#define ADC_CHANNEL_IN22 22 /**< @brief External analog input 22. */ +#define ADC_CHANNEL_IN23 23 /**< @brief External analog input 23. */ +#define ADC_CHANNEL_IN24 24 /**< @brief External analog input 24. */ +#define ADC_CHANNEL_IN25 25 /**< @brief External analog input 25. */ +/** @} */ + +/** + * @name Sampling rates + * @{ + */ +#define ADC_SAMPLE_4 0 /**< @brief 4 cycles sampling time. */ +#define ADC_SAMPLE_9 1 /**< @brief 9 cycles sampling time. */ +#define ADC_SAMPLE_16 2 /**< @brief 16 cycles sampling time. */ +#define ADC_SAMPLE_24 3 /**< @brief 24 cycles sampling time. */ +#define ADC_SAMPLE_48 4 /**< @brief 48 cycles sampling time. */ +#define ADC_SAMPLE_96 5 /**< @brief 96 cycles sampling time. */ +#define ADC_SAMPLE_192 6 /**< @brief 192 cycles sampling time. */ +#define ADC_SAMPLE_384 7 /**< @brief 384 cycles sampling time. */ +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief ADC1 driver enable switch. + * @details If set to @p TRUE the support for ADC1 is included. + * @note The default is @p TRUE. + */ +#if !defined(STM32_ADC_USE_ADC1) || defined(__DOXYGEN__) +#define STM32_ADC_USE_ADC1 FALSE +#endif + +/** + * @brief ADC common clock divider. + * @note This setting is influenced by the VDDA voltage and other + * external conditions, please refer to the STM32L15x datasheet + * for more info.
+ * See section 6.3.15 "12-bit ADC characteristics". + */ +#if !defined(STM32_ADC_ADCPRE) || defined(__DOXYGEN__) +#define STM32_ADC_ADCPRE ADC_CCR_ADCPRE_DIV1 +#endif + +/** + * @brief ADC1 DMA priority (0..3|lowest..highest). + */ +#if !defined(STM32_ADC_ADC1_DMA_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_ADC1_DMA_PRIORITY 2 +#endif + +/** + * @brief ADC interrupt priority level setting. + */ +#if !defined(STM32_ADC_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_IRQ_PRIORITY 5 +#endif + +/** + * @brief ADC1 DMA interrupt priority level setting. + */ +#if !defined(STM32_ADC_ADC1_DMA_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_ADC_ADC1_DMA_IRQ_PRIORITY 5 +#endif + +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +#if STM32_ADC_USE_ADC1 && !STM32_HAS_ADC1 +#error "ADC1 not present in the selected device" +#endif + +#if !STM32_ADC_USE_ADC1 +#error "ADC driver activated but no ADC peripheral assigned" +#endif + +#if STM32_ADC_USE_ADC1 && \ + !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to ADC1" +#endif + +#if STM32_ADC_USE_ADC1 && \ + !CORTEX_IS_VALID_KERNEL_PRIORITY(STM32_ADC_ADC1_DMA_IRQ_PRIORITY) +#error "Invalid IRQ priority assigned to ADC1 DMA" +#endif + +#if STM32_ADC_USE_ADC1 && \ + !STM32_DMA_IS_VALID_PRIORITY(STM32_ADC_ADC1_DMA_PRIORITY) +#error "Invalid DMA priority assigned to ADC1" +#endif + +#if !defined(STM32_DMA_REQUIRED) +#define STM32_DMA_REQUIRED +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief ADC sample data type. + */ +typedef uint16_t adcsample_t; + +/** + * @brief Channels number in a conversion group. + */ +typedef uint16_t adc_channels_num_t; + +/** + * @brief Possible ADC failure causes. + * @note Error codes are architecture dependent and should not relied + * upon. + */ +typedef enum { + ADC_ERR_DMAFAILURE = 0, /**< DMA operations failure. */ + ADC_ERR_OVERFLOW = 1 /**< ADC overflow condition. */ +} adcerror_t; + +/** + * @brief Type of a structure representing an ADC driver. + */ +typedef struct ADCDriver ADCDriver; + +/** + * @brief ADC notification callback type. + * + * @param[in] adcp pointer to the @p ADCDriver object triggering the + * callback + * @param[in] buffer pointer to the most recent samples data + * @param[in] n number of buffer rows available starting from @p buffer + */ +typedef void (*adccallback_t)(ADCDriver *adcp, adcsample_t *buffer, size_t n); + +/** + * @brief ADC error callback type. + * + * @param[in] adcp pointer to the @p ADCDriver object triggering the + * callback + * @param[in] err ADC error code + */ +typedef void (*adcerrorcallback_t)(ADCDriver *adcp, adcerror_t err); + +/** + * @brief Conversion group configuration structure. + * @details This implementation-dependent structure describes a conversion + * operation. + * @note The use of this configuration structure requires knowledge of + * STM32 ADC cell registers interface, please refer to the STM32 + * reference manual for details. + */ +typedef struct { + /** + * @brief Enables the circular buffer mode for the group. + */ + bool_t circular; + /** + * @brief Number of the analog channels belonging to the conversion group. + */ + adc_channels_num_t num_channels; + /** + * @brief Callback function associated to the group or @p NULL. + */ + adccallback_t end_cb; + /** + * @brief Error callback or @p NULL. + */ + adcerrorcallback_t error_cb; + /* End of the mandatory fields.*/ + /** + * @brief ADC CR1 register initialization data. + * @note All the required bits must be defined into this field except + * @p ADC_CR1_SCAN that is enforced inside the driver. + */ + uint32_t cr1; + /** + * @brief ADC CR2 register initialization data. + * @note All the required bits must be defined into this field except + * @p ADC_CR2_DMA, @p ADC_CR2_CONT and @p ADC_CR2_ADON that are + * enforced inside the driver. + */ + uint32_t cr2; + /** + * @brief ADC SMPR1 register initialization data. + * @details In this field must be specified the sample times for channels + * 20...25. + */ + uint32_t smpr1; + /** + * @brief ADC SMPR2 register initialization data. + * @details In this field must be specified the sample times for channels + * 10...19. + */ + uint32_t smpr2; + /** + * @brief ADC SMPR3 register initialization data. + * @details In this field must be specified the sample times for channels + * 0...9. + */ + uint32_t smpr3; + /** + * @brief ADC SQR1 register initialization data. + * @details Conversion group sequence 25...27 + sequence length. + */ + uint32_t sqr1; + /** + * @brief ADC SQR2 register initialization data. + * @details Conversion group sequence 19...24. + */ + uint32_t sqr2; + /** + * @brief ADC SQR3 register initialization data. + * @details Conversion group sequence 13...18. + */ + uint32_t sqr3; + /** + * @brief ADC SQR3 register initialization data. + * @details Conversion group sequence 7...12. + */ + uint32_t sqr4; + /** + * @brief ADC SQR3 register initialization data. + * @details Conversion group sequence 1...6. + */ + uint32_t sqr5; +} ADCConversionGroup; + +/** + * @brief Driver configuration structure. + * @note It could be empty on some architectures. + */ +typedef struct { + uint32_t dummy; +} ADCConfig; + +/** + * @brief Structure representing an ADC driver. + */ +struct ADCDriver { + /** + * @brief Driver state. + */ + adcstate_t state; + /** + * @brief Current configuration data. + */ + const ADCConfig *config; + /** + * @brief Current samples buffer pointer or @p NULL. + */ + adcsample_t *samples; + /** + * @brief Current samples buffer depth or @p 0. + */ + size_t depth; + /** + * @brief Current conversion group pointer or @p NULL. + */ + const ADCConversionGroup *grpp; +#if ADC_USE_WAIT || defined(__DOXYGEN__) + /** + * @brief Waiting thread. + */ + Thread *thread; +#endif +#if ADC_USE_MUTUAL_EXCLUSION || defined(__DOXYGEN__) +#if CH_USE_MUTEXES || defined(__DOXYGEN__) + /** + * @brief Mutex protecting the peripheral. + */ + Mutex mutex; +#elif CH_USE_SEMAPHORES + Semaphore semaphore; +#endif +#endif /* ADC_USE_MUTUAL_EXCLUSION */ +#if defined(ADC_DRIVER_EXT_FIELDS) + ADC_DRIVER_EXT_FIELDS +#endif + /* End of the mandatory fields.*/ + /** + * @brief Pointer to the ADCx registers block. + */ + ADC_TypeDef *adc; + /** + * @brief Pointer to associated DMA channel. + */ + const stm32_dma_stream_t *dmastp; + /** + * @brief DMA mode bit mask. + */ + uint32_t dmamode; +}; + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @name Sequences building helper macros + * @{ + */ +/** + * @brief Number of channels in a conversion sequence. + */ +#define ADC_SQR1_NUM_CH(n) (((n) - 1) << 20) + +#define ADC_SQR5_SQ1_N(n) ((n) << 0) /**< @brief 1st channel in seq. */ +#define ADC_SQR5_SQ2_N(n) ((n) << 5) /**< @brief 2nd channel in seq. */ +#define ADC_SQR5_SQ3_N(n) ((n) << 10) /**< @brief 3rd channel in seq. */ +#define ADC_SQR5_SQ4_N(n) ((n) << 15) /**< @brief 4th channel in seq. */ +#define ADC_SQR5_SQ5_N(n) ((n) << 20) /**< @brief 5th channel in seq. */ +#define ADC_SQR5_SQ6_N(n) ((n) << 25) /**< @brief 6th channel in seq. */ + +#define ADC_SQR4_SQ7_N(n) ((n) << 0) /**< @brief 7th channel in seq. */ +#define ADC_SQR4_SQ8_N(n) ((n) << 5) /**< @brief 8th channel in seq. */ +#define ADC_SQR4_SQ9_N(n) ((n) << 10) /**< @brief 9th channel in seq. */ +#define ADC_SQR4_SQ10_N(n) ((n) << 15) /**< @brief 10th channel in seq.*/ +#define ADC_SQR4_SQ11_N(n) ((n) << 20) /**< @brief 11th channel in seq.*/ +#define ADC_SQR4_SQ12_N(n) ((n) << 25) /**< @brief 12th channel in seq.*/ + +#define ADC_SQR3_SQ13_N(n) ((n) << 0) /**< @brief 13th channel in seq.*/ +#define ADC_SQR3_SQ14_N(n) ((n) << 5) /**< @brief 14th channel in seq.*/ +#define ADC_SQR3_SQ15_N(n) ((n) << 10) /**< @brief 15th channel in seq.*/ +#define ADC_SQR3_SQ16_N(n) ((n) << 15) /**< @brief 16th channel in seq.*/ +#define ADC_SQR3_SQ17_N(n) ((n) << 20) /**< @brief 17th channel in seq.*/ +#define ADC_SQR3_SQ18_N(n) ((n) << 25) /**< @brief 18th channel in seq.*/ + +#define ADC_SQR2_SQ19_N(n) ((n) << 0) /**< @brief 19th channel in seq.*/ +#define ADC_SQR2_SQ20_N(n) ((n) << 5) /**< @brief 20th channel in seq.*/ +#define ADC_SQR2_SQ21_N(n) ((n) << 10) /**< @brief 21th channel in seq.*/ +#define ADC_SQR2_SQ22_N(n) ((n) << 15) /**< @brief 22th channel in seq.*/ +#define ADC_SQR2_SQ23_N(n) ((n) << 20) /**< @brief 23th channel in seq.*/ +#define ADC_SQR2_SQ24_N(n) ((n) << 25) /**< @brief 24th channel in seq.*/ + +#define ADC_SQR1_SQ25_N(n) ((n) << 0) /**< @brief 25th channel in seq.*/ +#define ADC_SQR1_SQ26_N(n) ((n) << 5) /**< @brief 26th channel in seq.*/ +#define ADC_SQR1_SQ27_N(n) ((n) << 10) /**< @brief 27th channel in seq.*/ +/** @} */ + +/** + * @name Sampling rate settings helper macros + * @{ + */ +#define ADC_SMPR3_SMP_AN0(n) ((n) << 0) /**< @brief AN0 sampling time. */ +#define ADC_SMPR3_SMP_AN1(n) ((n) << 3) /**< @brief AN1 sampling time. */ +#define ADC_SMPR3_SMP_AN2(n) ((n) << 6) /**< @brief AN2 sampling time. */ +#define ADC_SMPR3_SMP_AN3(n) ((n) << 9) /**< @brief AN3 sampling time. */ +#define ADC_SMPR3_SMP_AN4(n) ((n) << 12) /**< @brief AN4 sampling time. */ +#define ADC_SMPR3_SMP_AN5(n) ((n) << 15) /**< @brief AN5 sampling time. */ +#define ADC_SMPR3_SMP_AN6(n) ((n) << 18) /**< @brief AN6 sampling time. */ +#define ADC_SMPR3_SMP_AN7(n) ((n) << 21) /**< @brief AN7 sampling time. */ +#define ADC_SMPR3_SMP_AN8(n) ((n) << 24) /**< @brief AN8 sampling time. */ +#define ADC_SMPR3_SMP_AN9(n) ((n) << 27) /**< @brief AN9 sampling time. */ + +#define ADC_SMPR2_SMP_AN10(n) ((n) << 0) /**< @brief AN10 sampling time. */ +#define ADC_SMPR2_SMP_AN11(n) ((n) << 3) /**< @brief AN11 sampling time. */ +#define ADC_SMPR2_SMP_AN12(n) ((n) << 6) /**< @brief AN12 sampling time. */ +#define ADC_SMPR2_SMP_AN13(n) ((n) << 9) /**< @brief AN13 sampling time. */ +#define ADC_SMPR2_SMP_AN14(n) ((n) << 12) /**< @brief AN14 sampling time. */ +#define ADC_SMPR2_SMP_AN15(n) ((n) << 15) /**< @brief AN15 sampling time. */ +#define ADC_SMPR2_SMP_SENSOR(n) ((n) << 18) /**< @brief Temperature Sensor + sampling time. */ +#define ADC_SMPR2_SMP_VREF(n) ((n) << 21) /**< @brief Voltage Reference + sampling time. */ +#define ADC_SMPR2_SMP_AN18(n) ((n) << 24) /**< @brief AN18 sampling time. */ +#define ADC_SMPR2_SMP_AN19(n) ((n) << 27) /**< @brief AN19 sampling time. */ + +#define ADC_SMPR1_SMP_AN20(n) ((n) << 0) /**< @brief AN20 sampling time. */ +#define ADC_SMPR1_SMP_AN21(n) ((n) << 3) /**< @brief AN21 sampling time. */ +#define ADC_SMPR1_SMP_AN22(n) ((n) << 6) /**< @brief AN22 sampling time. */ +#define ADC_SMPR1_SMP_AN23(n) ((n) << 9) /**< @brief AN23 sampling time. */ +#define ADC_SMPR1_SMP_AN24(n) ((n) << 12) /**< @brief AN24 sampling time. */ +#define ADC_SMPR1_SMP_AN25(n) ((n) << 15) /**< @brief AN25 sampling time. */ +/** @} */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#if STM32_ADC_USE_ADC1 && !defined(__DOXYGEN__) +extern ADCDriver ADCD1; +#endif + +#ifdef __cplusplus +extern "C" { +#endif + void adc_lld_init(void); + void adc_lld_start(ADCDriver *adcp); + void adc_lld_stop(ADCDriver *adcp); + void adc_lld_start_conversion(ADCDriver *adcp); + void adc_lld_stop_conversion(ADCDriver *adcp); + void adcSTM32EnableTSVREFE(void); + void adcSTM32DisableTSVREFE(void); +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_ADC */ + +#endif /* _ADC_LLD_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32L1xx/ext_lld_isr.c b/os/hal/ports/STM32L1xx/ext_lld_isr.c new file mode 100644 index 000000000..ea9259a69 --- /dev/null +++ b/os/hal/ports/STM32L1xx/ext_lld_isr.c @@ -0,0 +1,339 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32L1xx/ext_lld_isr.c + * @brief STM32L1xx EXT subsystem low level driver ISR code. + * + * @addtogroup EXT + * @{ + */ + +#include "ch.h" +#include "hal.h" + +#if HAL_USE_EXT || defined(__DOXYGEN__) + +#include "ext_lld_isr.h" + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/** + * @brief EXTI[0] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI0_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 0); + EXTD1.config->channels[0].cb(&EXTD1, 0); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[1] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI1_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 1); + EXTD1.config->channels[1].cb(&EXTD1, 1); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[2] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI2_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 2); + EXTD1.config->channels[2].cb(&EXTD1, 2); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[3] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI3_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 3); + EXTD1.config->channels[3].cb(&EXTD1, 3); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[4] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI4_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 4); + EXTD1.config->channels[4].cb(&EXTD1, 4); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[5]...EXTI[9] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI9_5_IRQHandler) { + uint32_t pr; + + CH_IRQ_PROLOGUE(); + + pr = EXTI->PR & ((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9)); + EXTI->PR = pr; + if (pr & (1 << 5)) + EXTD1.config->channels[5].cb(&EXTD1, 5); + if (pr & (1 << 6)) + EXTD1.config->channels[6].cb(&EXTD1, 6); + if (pr & (1 << 7)) + EXTD1.config->channels[7].cb(&EXTD1, 7); + if (pr & (1 << 8)) + EXTD1.config->channels[8].cb(&EXTD1, 8); + if (pr & (1 << 9)) + EXTD1.config->channels[9].cb(&EXTD1, 9); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[10]...EXTI[15] interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(EXTI15_10_IRQHandler) { + uint32_t pr; + + CH_IRQ_PROLOGUE(); + + pr = EXTI->PR & ((1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14) | + (1 << 15)); + EXTI->PR = pr; + if (pr & (1 << 10)) + EXTD1.config->channels[10].cb(&EXTD1, 10); + if (pr & (1 << 11)) + EXTD1.config->channels[11].cb(&EXTD1, 11); + if (pr & (1 << 12)) + EXTD1.config->channels[12].cb(&EXTD1, 12); + if (pr & (1 << 13)) + EXTD1.config->channels[13].cb(&EXTD1, 13); + if (pr & (1 << 14)) + EXTD1.config->channels[14].cb(&EXTD1, 14); + if (pr & (1 << 15)) + EXTD1.config->channels[15].cb(&EXTD1, 15); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[16] interrupt handler (PVD). + * + * @isr + */ +CH_IRQ_HANDLER(PVD_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 16); + EXTD1.config->channels[16].cb(&EXTD1, 16); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[17] interrupt handler (RTC). + * + * @isr + */ +CH_IRQ_HANDLER(RTC_Alarm_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 17); + EXTD1.config->channels[17].cb(&EXTD1, 17); + + CH_IRQ_EPILOGUE(); +} +/** + * @brief EXTI[18] interrupt handler (USB_FS_WKUP). + * + * @isr + */ +CH_IRQ_HANDLER(USB_FS_WKUP_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 18); + EXTD1.config->channels[18].cb(&EXTD1, 18); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[19] interrupt handler (TAMPER_STAMP). + * + * @isr + */ +CH_IRQ_HANDLER(TAMPER_STAMP_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 19); + EXTD1.config->channels[19].cb(&EXTD1, 19); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[20] interrupt handler (RTC_WKUP). + * + * @isr + */ +CH_IRQ_HANDLER(RTC_WKUP_IRQHandler) { + + CH_IRQ_PROLOGUE(); + + EXTI->PR = (1 << 20); + EXTD1.config->channels[20].cb(&EXTD1, 20); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief EXTI[21]...EXTI[22] interrupt handler (COMP). + * + * @isr + */ +CH_IRQ_HANDLER(COMP_IRQHandler) { + uint32_t pr; + + CH_IRQ_PROLOGUE(); + + pr = EXTI->PR & ((1 << 21) | (1 << 22)); + EXTI->PR = pr; + if (pr & (1 << 21)) + EXTD1.config->channels[21].cb(&EXTD1, 21); + if (pr & (1 << 22)) + EXTD1.config->channels[22].cb(&EXTD1, 22); + + CH_IRQ_EPILOGUE(); +} + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Enables EXTI IRQ sources. + * + * @notapi + */ +void ext_lld_exti_irq_enable(void) { + + nvicEnableVector(EXTI0_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI0_IRQ_PRIORITY)); + nvicEnableVector(EXTI1_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI1_IRQ_PRIORITY)); + nvicEnableVector(EXTI2_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI2_IRQ_PRIORITY)); + nvicEnableVector(EXTI3_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI3_IRQ_PRIORITY)); + nvicEnableVector(EXTI4_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI4_IRQ_PRIORITY)); + nvicEnableVector(EXTI9_5_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI5_9_IRQ_PRIORITY)); + nvicEnableVector(EXTI15_10_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI10_15_IRQ_PRIORITY)); + nvicEnableVector(PVD_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI16_IRQ_PRIORITY)); + nvicEnableVector(RTC_Alarm_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI17_IRQ_PRIORITY)); + nvicEnableVector(USB_FS_WKUP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI18_IRQ_PRIORITY)); + nvicEnableVector(TAMPER_STAMP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI19_IRQ_PRIORITY)); + nvicEnableVector(RTC_WKUP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI20_IRQ_PRIORITY)); + nvicEnableVector(COMP_IRQn, + CORTEX_PRIORITY_MASK(STM32_EXT_EXTI21_22_IRQ_PRIORITY)); +} + +/** + * @brief Disables EXTI IRQ sources. + * + * @notapi + */ +void ext_lld_exti_irq_disable(void) { + + nvicDisableVector(EXTI0_IRQn); + nvicDisableVector(EXTI1_IRQn); + nvicDisableVector(EXTI2_IRQn); + nvicDisableVector(EXTI3_IRQn); + nvicDisableVector(EXTI4_IRQn); + nvicDisableVector(EXTI9_5_IRQn); + nvicDisableVector(EXTI15_10_IRQn); + nvicDisableVector(PVD_IRQn); + nvicDisableVector(RTC_Alarm_IRQn); + nvicDisableVector(USB_FS_WKUP_IRQn); + nvicDisableVector(TAMPER_STAMP_IRQn); + nvicDisableVector(RTC_WKUP_IRQn); + nvicDisableVector(COMP_IRQn); +} + +#endif /* HAL_USE_EXT */ + +/** @} */ diff --git a/os/hal/ports/STM32L1xx/ext_lld_isr.h b/os/hal/ports/STM32L1xx/ext_lld_isr.h new file mode 100644 index 000000000..9ee4db42e --- /dev/null +++ b/os/hal/ports/STM32L1xx/ext_lld_isr.h @@ -0,0 +1,163 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32L1xx/ext_lld_isr.h + * @brief STM32L1xx EXT subsystem low level driver ISR header. + * + * @addtogroup EXT + * @{ + */ + +#ifndef _EXT_LLD_ISR_H_ +#define _EXT_LLD_ISR_H_ + +#if HAL_USE_EXT || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief EXTI0 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI0_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI0_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI1 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI1_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI1_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI2 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI2_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI2_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI3 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI3_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI3_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI4 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI4_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI4_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI9..5 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI5_9_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI5_9_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI15..10 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI10_15_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI10_15_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI16 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI16_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI16_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI17 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI17_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI17_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI18 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI18_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI18_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI19 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI19_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI19_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI20 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI20_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI20_IRQ_PRIORITY 6 +#endif + +/** + * @brief EXTI21..22 interrupt priority level setting. + */ +#if !defined(STM32_EXT_EXTI21_22_IRQ_PRIORITY) || defined(__DOXYGEN__) +#define STM32_EXT_EXTI21_22_IRQ_PRIORITY 6 +#endif +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif + void ext_lld_exti_irq_enable(void); + void ext_lld_exti_irq_disable(void); +#ifdef __cplusplus +} +#endif + +#endif /* HAL_USE_EXT */ + +#endif /* _EXT_LLD_ISR_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32L1xx/hal_lld.c b/os/hal/ports/STM32L1xx/hal_lld.c new file mode 100644 index 000000000..529099e6a --- /dev/null +++ b/os/hal/ports/STM32L1xx/hal_lld.c @@ -0,0 +1,236 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32L1xx/hal_lld.c + * @brief STM32L1xx HAL subsystem low level driver source. + * + * @addtogroup HAL + * @{ + */ + +/* TODO: LSEBYP like in F3.*/ + +#include "ch.h" +#include "hal.h" + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/** + * @brief Initializes the backup domain. + */ +static void hal_lld_backup_domain_init(void) { + + /* Backup domain access enabled and left open.*/ + PWR->CR |= PWR_CR_DBP; + + /* Reset BKP domain if different clock source selected.*/ + if ((RCC->CSR & STM32_RTCSEL_MASK) != STM32_RTCSEL){ + /* Backup domain reset.*/ + RCC->CSR |= RCC_CSR_RTCRST; + RCC->CSR &= ~RCC_CSR_RTCRST; + } + + /* If enabled then the LSE is started.*/ +#if STM32_LSE_ENABLED + RCC->CSR |= RCC_CSR_LSEON; + while ((RCC->CSR & RCC_CSR_LSERDY) == 0) + ; /* Waits until LSE is stable. */ +#endif + +#if STM32_RTCSEL != STM32_RTCSEL_NOCLOCK + /* If the backup domain hasn't been initialized yet then proceed with + initialization.*/ + if ((RCC->CSR & RCC_CSR_RTCEN) == 0) { + /* Selects clock source.*/ + RCC->CSR |= STM32_RTCSEL; + + /* RTC clock enabled.*/ + RCC->CSR |= RCC_CSR_RTCEN; + } +#endif /* STM32_RTCSEL != STM32_RTCSEL_NOCLOCK */ +} + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief Low level HAL driver initialization. + * + * @notapi + */ +void hal_lld_init(void) { + + /* Reset of all peripherals.*/ + rccResetAHB(~RCC_AHBRSTR_FLITFRST); + rccResetAPB1(~RCC_APB1RSTR_PWRRST); + rccResetAPB2(~0); + + /* SysTick initialization using the system clock.*/ + SysTick->LOAD = STM32_HCLK / CH_FREQUENCY - 1; + SysTick->VAL = 0; + SysTick->CTRL = SysTick_CTRL_CLKSOURCE_Msk | + SysTick_CTRL_ENABLE_Msk | + SysTick_CTRL_TICKINT_Msk; + + /* DWT cycle counter enable.*/ + SCS_DEMCR |= SCS_DEMCR_TRCENA; + DWT_CTRL |= DWT_CTRL_CYCCNTENA; + + /* PWR clock enabled.*/ + rccEnablePWRInterface(FALSE); + + /* Initializes the backup domain.*/ + hal_lld_backup_domain_init(); + +#if defined(STM32_DMA_REQUIRED) + dmaInit(); +#endif + + /* Programmable voltage detector enable.*/ +#if STM32_PVD_ENABLE + PWR->CR |= PWR_CR_PVDE | (STM32_PLS & STM32_PLS_MASK); +#endif /* STM32_PVD_ENABLE */ +} + +/** + * @brief STM32L1xx voltage, clocks and PLL initialization. + * @note All the involved constants come from the file @p board.h. + * @note This function should be invoked just after the system reset. + * + * @special + */ +#if defined(STM32L1XX_MD) || defined(__DOXYGEN__) +/** + * @brief Clocks and internal voltage initialization. + */ +void stm32_clock_init(void) { + +#if !STM32_NO_INIT + /* PWR clock enable.*/ + RCC->APB1ENR = RCC_APB1ENR_PWREN; + + /* Core voltage setup.*/ + while ((PWR->CSR & PWR_CSR_VOSF) != 0) + ; /* Waits until regulator is stable. */ + PWR->CR = STM32_VOS; + while ((PWR->CSR & PWR_CSR_VOSF) != 0) + ; /* Waits until regulator is stable. */ + + /* Initial clocks setup and wait for MSI stabilization, the MSI clock is + always enabled because it is the fallback clock when PLL the fails. + Trim fields are not altered from reset values.*/ + RCC->CFGR = 0; + RCC->ICSCR = (RCC->ICSCR & ~STM32_MSIRANGE_MASK) | STM32_MSIRANGE; + RCC->CSR = RCC_CSR_RMVF; + RCC->CR = RCC_CR_MSION; + while ((RCC->CR & RCC_CR_MSIRDY) == 0) + ; /* Waits until MSI is stable. */ + +#if STM32_HSI_ENABLED + /* HSI activation.*/ + RCC->CR |= RCC_CR_HSION; + while ((RCC->CR & RCC_CR_HSIRDY) == 0) + ; /* Waits until HSI is stable. */ +#endif + +#if STM32_HSE_ENABLED +#if defined(STM32_HSE_BYPASS) + /* HSE Bypass.*/ + RCC->CR |= RCC_CR_HSEBYP; +#endif + /* HSE activation.*/ + RCC->CR |= RCC_CR_HSEON; + while ((RCC->CR & RCC_CR_HSERDY) == 0) + ; /* Waits until HSE is stable. */ +#endif + +#if STM32_LSI_ENABLED + /* LSI activation.*/ + RCC->CSR |= RCC_CSR_LSION; + while ((RCC->CSR & RCC_CSR_LSIRDY) == 0) + ; /* Waits until LSI is stable. */ +#endif + +#if STM32_LSE_ENABLED + /* LSE activation, have to unlock the register.*/ + if ((RCC->CSR & RCC_CSR_LSEON) == 0) { + PWR->CR |= PWR_CR_DBP; + RCC->CSR |= RCC_CSR_LSEON; + PWR->CR &= ~PWR_CR_DBP; + } + while ((RCC->CSR & RCC_CSR_LSERDY) == 0) + ; /* Waits until LSE is stable. */ +#endif + +#if STM32_ACTIVATE_PLL + /* PLL activation.*/ + RCC->CFGR |= STM32_PLLDIV | STM32_PLLMUL | STM32_PLLSRC; + RCC->CR |= RCC_CR_PLLON; + while (!(RCC->CR & RCC_CR_PLLRDY)) + ; /* Waits until PLL is stable. */ +#endif + + /* Other clock-related settings (dividers, MCO etc).*/ + RCC->CR |= STM32_RTCPRE; + RCC->CFGR |= STM32_MCOPRE | STM32_MCOSEL | + STM32_PPRE2 | STM32_PPRE1 | STM32_HPRE; + RCC->CSR |= STM32_RTCSEL; + + /* Flash setup and final clock selection.*/ +#if defined(STM32_FLASHBITS1) + FLASH->ACR = STM32_FLASHBITS1; +#endif +#if defined(STM32_FLASHBITS2) + FLASH->ACR = STM32_FLASHBITS2; +#endif + + /* Switching to the configured clock source if it is different from MSI.*/ +#if (STM32_SW != STM32_SW_MSI) + RCC->CFGR |= STM32_SW; /* Switches on the selected clock source. */ + while ((RCC->CFGR & RCC_CFGR_SWS) != (STM32_SW << 2)) + ; +#endif +#endif /* STM32_NO_INIT */ + + /* SYSCFG clock enabled here because it is a multi-functional unit shared + among multiple drivers.*/ + rccEnableAPB2(RCC_APB2ENR_SYSCFGEN, TRUE); +} +#else +void stm32_clock_init(void) {} +#endif + +/** @} */ diff --git a/os/hal/ports/STM32L1xx/hal_lld.h b/os/hal/ports/STM32L1xx/hal_lld.h new file mode 100644 index 000000000..3e8692e93 --- /dev/null +++ b/os/hal/ports/STM32L1xx/hal_lld.h @@ -0,0 +1,1069 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32L1xx/hal_lld.h + * @brief STM32L1xx HAL subsystem low level driver header. + * @pre This module requires the following macros to be defined in the + * @p board.h file: + * - STM32_LSECLK. + * - STM32_HSECLK. + * - STM32_HSE_BYPASS (optionally). + * . + * One of the following macros must also be defined: + * - STM32L1XX_MD for Ultra Low Power Medium-density devices. + * . + * + * @addtogroup HAL + * @{ + */ + +#ifndef _HAL_LLD_H_ +#define _HAL_LLD_H_ + +#include "stm32.h" + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @brief Defines the support for realtime counters in the HAL. + */ +#define HAL_IMPLEMENTS_COUNTERS TRUE + +/** + * @name Platform identification + * @{ + */ +#define PLATFORM_NAME "STM32L1xx Ultra Low Power Medium Density" +/** @} */ + +/** + * @name Internal clock sources + * @{ + */ +#define STM32_HSICLK 16000000 /**< High speed internal clock. */ +#define STM32_LSICLK 38000 /**< Low speed internal clock. */ +/** @} */ + +/** + * @name PWR_CR register bits definitions + * @{ + */ +#define STM32_VOS_MASK (3 << 11) /**< Core voltage mask. */ +#define STM32_VOS_1P8 (1 << 11) /**< Core voltage 1.8 Volts. */ +#define STM32_VOS_1P5 (2 << 11) /**< Core voltage 1.5 Volts. */ +#define STM32_VOS_1P2 (3 << 11) /**< Core voltage 1.2 Volts. */ + +#define STM32_PLS_MASK (7 << 5) /**< PLS bits mask. */ +#define STM32_PLS_LEV0 (0 << 5) /**< PVD level 0. */ +#define STM32_PLS_LEV1 (1 << 5) /**< PVD level 1. */ +#define STM32_PLS_LEV2 (2 << 5) /**< PVD level 2. */ +#define STM32_PLS_LEV3 (3 << 5) /**< PVD level 3. */ +#define STM32_PLS_LEV4 (4 << 5) /**< PVD level 4. */ +#define STM32_PLS_LEV5 (5 << 5) /**< PVD level 5. */ +#define STM32_PLS_LEV6 (6 << 5) /**< PVD level 6. */ +#define STM32_PLS_LEV7 (7 << 5) /**< PVD level 7. */ +/** @} */ + +/** + * @name RCC_CR register bits definitions + * @{ + */ +#define STM32_RTCPRE_MASK (3 << 29) /**< RTCPRE mask. */ +#define STM32_RTCPRE_DIV2 (0 << 29) /**< HSE divided by 2. */ +#define STM32_RTCPRE_DIV4 (1 << 29) /**< HSE divided by 4. */ +#define STM32_RTCPRE_DIV8 (2 << 29) /**< HSE divided by 2. */ +#define STM32_RTCPRE_DIV16 (3 << 29) /**< HSE divided by 16. */ +/** @} */ + +/** + * @name RCC_CFGR register bits definitions + * @{ + */ +#define STM32_SW_MSI (0 << 0) /**< SYSCLK source is MSI. */ +#define STM32_SW_HSI (1 << 0) /**< SYSCLK source is HSI. */ +#define STM32_SW_HSE (2 << 0) /**< SYSCLK source is HSE. */ +#define STM32_SW_PLL (3 << 0) /**< SYSCLK source is PLL. */ + +#define STM32_HPRE_DIV1 (0 << 4) /**< SYSCLK divided by 1. */ +#define STM32_HPRE_DIV2 (8 << 4) /**< SYSCLK divided by 2. */ +#define STM32_HPRE_DIV4 (9 << 4) /**< SYSCLK divided by 4. */ +#define STM32_HPRE_DIV8 (10 << 4) /**< SYSCLK divided by 8. */ +#define STM32_HPRE_DIV16 (11 << 4) /**< SYSCLK divided by 16. */ +#define STM32_HPRE_DIV64 (12 << 4) /**< SYSCLK divided by 64. */ +#define STM32_HPRE_DIV128 (13 << 4) /**< SYSCLK divided by 128. */ +#define STM32_HPRE_DIV256 (14 << 4) /**< SYSCLK divided by 256. */ +#define STM32_HPRE_DIV512 (15 << 4) /**< SYSCLK divided by 512. */ + +#define STM32_PPRE1_DIV1 (0 << 8) /**< HCLK divided by 1. */ +#define STM32_PPRE1_DIV2 (4 << 8) /**< HCLK divided by 2. */ +#define STM32_PPRE1_DIV4 (5 << 8) /**< HCLK divided by 4. */ +#define STM32_PPRE1_DIV8 (6 << 8) /**< HCLK divided by 8. */ +#define STM32_PPRE1_DIV16 (7 << 8) /**< HCLK divided by 16. */ + +#define STM32_PPRE2_DIV1 (0 << 11) /**< HCLK divided by 1. */ +#define STM32_PPRE2_DIV2 (4 << 11) /**< HCLK divided by 2. */ +#define STM32_PPRE2_DIV4 (5 << 11) /**< HCLK divided by 4. */ +#define STM32_PPRE2_DIV8 (6 << 11) /**< HCLK divided by 8. */ +#define STM32_PPRE2_DIV16 (7 << 11) /**< HCLK divided by 16. */ + +#define STM32_PLLSRC_HSI (0 << 16) /**< PLL clock source is HSI. */ +#define STM32_PLLSRC_HSE (1 << 16) /**< PLL clock source is HSE. */ + +#define STM32_MCOSEL_NOCLOCK (0 << 24) /**< No clock on MCO pin. */ +#define STM32_MCOSEL_SYSCLK (1 << 24) /**< SYSCLK on MCO pin. */ +#define STM32_MCOSEL_HSI (2 << 24) /**< HSI clock on MCO pin. */ +#define STM32_MCOSEL_MSI (3 << 24) /**< MSI clock on MCO pin. */ +#define STM32_MCOSEL_HSE (4 << 24) /**< HSE clock on MCO pin. */ +#define STM32_MCOSEL_PLL (5 << 24) /**< PLL clock on MCO pin. */ +#define STM32_MCOSEL_LSI (6 << 24) /**< LSI clock on MCO pin. */ +#define STM32_MCOSEL_LSE (7 << 24) /**< LSE clock on MCO pin. */ + +#define STM32_MCOPRE_DIV1 (0 << 28) /**< MCO divided by 1. */ +#define STM32_MCOPRE_DIV2 (1 << 28) /**< MCO divided by 1. */ +#define STM32_MCOPRE_DIV4 (2 << 28) /**< MCO divided by 1. */ +#define STM32_MCOPRE_DIV8 (3 << 28) /**< MCO divided by 1. */ +#define STM32_MCOPRE_DIV16 (4 << 28) /**< MCO divided by 1. */ +/** @} */ + +/** + * @name RCC_ICSCR register bits definitions + * @{ + */ +#define STM32_MSIRANGE_MASK (7 << 13) /**< MSIRANGE field mask. */ +#define STM32_MSIRANGE_64K (0 << 13) /**< 64kHz nominal. */ +#define STM32_MSIRANGE_128K (1 << 13) /**< 128kHz nominal. */ +#define STM32_MSIRANGE_256K (2 << 13) /**< 256kHz nominal. */ +#define STM32_MSIRANGE_512K (3 << 13) /**< 512kHz nominal. */ +#define STM32_MSIRANGE_1M (4 << 13) /**< 1MHz nominal. */ +#define STM32_MSIRANGE_2M (5 << 13) /**< 2MHz nominal. */ +#define STM32_MSIRANGE_4M (6 << 13) /**< 4MHz nominal */ +/** @} */ + +/** + * @name RCC_CSR register bits definitions + * @{ + */ +#define STM32_RTCSEL_MASK (3 << 16) /**< RTC source mask. */ +#define STM32_RTCSEL_NOCLOCK (0 << 16) /**< No RTC source. */ +#define STM32_RTCSEL_LSE (1 << 16) /**< RTC source is LSE. */ +#define STM32_RTCSEL_LSI (2 << 16) /**< RTC source is LSI. */ +#define STM32_RTCSEL_HSEDIV (3 << 16) /**< RTC source is HSE divided. */ +/** @} */ + +/*===========================================================================*/ +/* Platform capabilities. */ +/*===========================================================================*/ + +/** + * @name STM32L1xx capabilities + * @{ + */ +/* ADC attributes.*/ +#define STM32_HAS_ADC1 TRUE +#define STM32_HAS_ADC2 FALSE +#define STM32_HAS_ADC3 FALSE +#define STM32_HAS_ADC4 FALSE + +/* CAN attributes.*/ +#define STM32_HAS_CAN1 FALSE +#define STM32_HAS_CAN2 FALSE +#define STM32_CAN_MAX_FILTERS 0 + +/* DAC attributes.*/ +#define STM32_HAS_DAC TRUE + +/* DMA attributes.*/ +#define STM32_ADVANCED_DMA FALSE +#define STM32_HAS_DMA1 TRUE +#define STM32_HAS_DMA2 FALSE + +/* ETH attributes.*/ +#define STM32_HAS_ETH FALSE + +/* EXTI attributes.*/ +#define STM32_EXTI_NUM_CHANNELS 23 + +/* GPIO attributes.*/ +#define STM32_HAS_GPIOA TRUE +#define STM32_HAS_GPIOB TRUE +#define STM32_HAS_GPIOC TRUE +#define STM32_HAS_GPIOD TRUE +#define STM32_HAS_GPIOE TRUE +#define STM32_HAS_GPIOF FALSE +#define STM32_HAS_GPIOG FALSE +#define STM32_HAS_GPIOH TRUE +#define STM32_HAS_GPIOI FALSE + +/* I2C attributes.*/ +#define STM32_HAS_I2C1 TRUE +#define STM32_I2C1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 7)) +#define STM32_I2C1_RX_DMA_CHN 0x00000000 +#define STM32_I2C1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 6)) +#define STM32_I2C1_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_I2C2 TRUE +#define STM32_I2C2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5)) +#define STM32_I2C2_RX_DMA_CHN 0x00000000 +#define STM32_I2C2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4)) +#define STM32_I2C2_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_I2C3 FALSE +#define STM32_I2C3_RX_DMA_MSK 0 +#define STM32_I2C3_RX_DMA_CHN 0x00000000 +#define STM32_I2C3_TX_DMA_MSK 0 +#define STM32_I2C3_TX_DMA_CHN 0x00000000 + +/* RTC attributes.*/ +#define STM32_HAS_RTC TRUE +#define STM32_RTC_HAS_SUBSECONDS FALSE +#define STM32_RTC_IS_CALENDAR TRUE + +/* SDIO attributes.*/ +#define STM32_HAS_SDIO TRUE + +/* SPI attributes.*/ +#define STM32_HAS_SPI1 TRUE +#define STM32_SPI1_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 2) +#define STM32_SPI1_RX_DMA_CHN 0x00000000 +#define STM32_SPI1_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 3) +#define STM32_SPI1_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_SPI2 TRUE +#define STM32_SPI2_RX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 4) +#define STM32_SPI2_RX_DMA_CHN 0x00000000 +#define STM32_SPI2_TX_DMA_MSK STM32_DMA_STREAM_ID_MSK(1, 5) +#define STM32_SPI2_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_SPI3 FALSE +#define STM32_SPI3_RX_DMA_MSK 0 +#define STM32_SPI3_RX_DMA_CHN 0x00000000 +#define STM32_SPI3_TX_DMA_MSK 0 +#define STM32_SPI3_TX_DMA_CHN 0x00000000 + +/* TIM attributes.*/ +#define STM32_HAS_TIM1 FALSE +#define STM32_HAS_TIM2 TRUE +#define STM32_HAS_TIM3 TRUE +#define STM32_HAS_TIM4 TRUE +#define STM32_HAS_TIM5 FALSE +#define STM32_HAS_TIM6 TRUE +#define STM32_HAS_TIM7 TRUE +#define STM32_HAS_TIM8 FALSE +#define STM32_HAS_TIM9 TRUE +#define STM32_HAS_TIM10 TRUE +#define STM32_HAS_TIM11 TRUE +#define STM32_HAS_TIM12 FALSE +#define STM32_HAS_TIM13 FALSE +#define STM32_HAS_TIM14 FALSE +#define STM32_HAS_TIM15 FALSE +#define STM32_HAS_TIM16 FALSE +#define STM32_HAS_TIM17 FALSE +#define STM32_HAS_TIM18 FALSE +#define STM32_HAS_TIM19 FALSE + +/* USART attributes.*/ +#define STM32_HAS_USART1 TRUE +#define STM32_USART1_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 5)) +#define STM32_USART1_RX_DMA_CHN 0x00000000 +#define STM32_USART1_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 4)) +#define STM32_USART1_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_USART2 TRUE +#define STM32_USART2_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 6)) +#define STM32_USART2_RX_DMA_CHN 0x00000000 +#define STM32_USART2_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 7)) +#define STM32_USART2_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_USART3 TRUE +#define STM32_USART3_RX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 3)) +#define STM32_USART3_RX_DMA_CHN 0x00000000 +#define STM32_USART3_TX_DMA_MSK (STM32_DMA_STREAM_ID_MSK(1, 2)) +#define STM32_USART3_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_UART4 FALSE +#define STM32_UART4_RX_DMA_MSK 0 +#define STM32_UART4_RX_DMA_CHN 0x00000000 +#define STM32_UART4_TX_DMA_MSK 0 +#define STM32_UART4_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_UART5 FALSE +#define STM32_UART5_RX_DMA_MSK 0 +#define STM32_UART5_RX_DMA_CHN 0x00000000 +#define STM32_UART5_TX_DMA_MSK 0 +#define STM32_UART5_TX_DMA_CHN 0x00000000 + +#define STM32_HAS_USART6 FALSE +#define STM32_USART6_RX_DMA_MSK 0 +#define STM32_USART6_RX_DMA_CHN 0x00000000 +#define STM32_USART6_TX_DMA_MSK 0 +#define STM32_USART6_TX_DMA_CHN 0x00000000 + +/* USB attributes.*/ +#define STM32_HAS_USB TRUE +#define STM32_HAS_OTG1 FALSE +#define STM32_HAS_OTG2 FALSE +/** @} */ + +/*===========================================================================*/ +/* Platform specific friendly IRQ names. */ +/*===========================================================================*/ + +/** + * @name IRQ VECTOR names + * @{ + */ +#define WWDG_IRQHandler Vector40 /**< Window Watchdog. */ +#define PVD_IRQHandler Vector44 /**< PVD through EXTI Line + detect. */ +#define TAMPER_STAMP_IRQHandler Vector48 /**< Tamper and Time Stamp + through EXTI. */ +#define RTC_WKUP_IRQHandler Vector4C /**< RTC Wakeup Timer through + EXTI. */ +#define FLASH_IRQHandler Vector50 /**< Flash. */ +#define RCC_IRQHandler Vector54 /**< RCC. */ +#define EXTI0_IRQHandler Vector58 /**< EXTI Line 0. */ +#define EXTI1_IRQHandler Vector5C /**< EXTI Line 1. */ +#define EXTI2_IRQHandler Vector60 /**< EXTI Line 2. */ +#define EXTI3_IRQHandler Vector64 /**< EXTI Line 3. */ +#define EXTI4_IRQHandler Vector68 /**< EXTI Line 4. */ +#define DMA1_Ch1_IRQHandler Vector6C /**< DMA1 Channel 1. */ +#define DMA1_Ch2_IRQHandler Vector70 /**< DMA1 Channel 2. */ +#define DMA1_Ch3_IRQHandler Vector74 /**< DMA1 Channel 3. */ +#define DMA1_Ch4_IRQHandler Vector78 /**< DMA1 Channel 4. */ +#define DMA1_Ch5_IRQHandler Vector7C /**< DMA1 Channel 5. */ +#define DMA1_Ch6_IRQHandler Vector80 /**< DMA1 Channel 6. */ +#define DMA1_Ch7_IRQHandler Vector84 /**< DMA1 Channel 7. */ +#define ADC1_IRQHandler Vector88 /**< ADC1. */ +#define USB_HP_IRQHandler Vector8C /**< USB High Priority. */ +#define USB_LP_IRQHandler Vector90 /**< USB Low Priority. */ +#define DAC_IRQHandler Vector94 /**< DAC. */ +#define COMP_IRQHandler Vector98 /**< Comparator through EXTI. */ +#define EXTI9_5_IRQHandler Vector9C /**< EXTI Line 9..5. */ +#define TIM9_IRQHandler VectorA0 /**< TIM9. */ +#define TIM10_IRQHandler VectorA4 /**< TIM10. */ +#define TIM11_IRQHandler VectorA8 /**< TIM11. */ +#define LCD_IRQHandler VectorAC /**< LCD. */ +#define TIM2_IRQHandler VectorB0 /**< TIM2. */ +#define TIM3_IRQHandler VectorB4 /**< TIM3. */ +#define TIM4_IRQHandler VectorB8 /**< TIM4. */ +#define I2C1_EV_IRQHandler VectorBC /**< I2C1 Event. */ +#define I2C1_ER_IRQHandler VectorC0 /**< I2C1 Error. */ +#define I2C2_EV_IRQHandler VectorC4 /**< I2C2 Event. */ +#define I2C2_ER_IRQHandler VectorC8 /**< I2C2 Error. */ +#define SPI1_IRQHandler VectorCC /**< SPI1. */ +#define SPI2_IRQHandler VectorD0 /**< SPI2. */ +#define USART1_IRQHandler VectorD4 /**< USART1. */ +#define USART2_IRQHandler VectorD8 /**< USART2. */ +#define USART3_IRQHandler VectorDC /**< USART3. */ +#define EXTI15_10_IRQHandler VectorE0 /**< EXTI Line 15..10. */ +#define RTC_Alarm_IRQHandler VectorE4 /**< RTC Alarm through EXTI. */ +#define USB_FS_WKUP_IRQHandler VectorE8 /**< USB Wakeup from suspend. */ +#define TIM6_IRQHandler VectorEC /**< TIM6. */ +#define TIM7_IRQHandler VectorF0 /**< TIM7. */ +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/** + * @name Configuration options + * @{ + */ +/** + * @brief Disables the PWR/RCC initialization in the HAL. + */ +#if !defined(STM32_NO_INIT) || defined(__DOXYGEN__) +#define STM32_NO_INIT FALSE +#endif + +/** + * @brief Core voltage selection. + * @note This setting affects all the performance and clock related + * settings, the maximum performance is only obtainable selecting + * the maximum voltage. + */ +#if !defined(STM32_VOS) || defined(__DOXYGEN__) +#define STM32_VOS STM32_VOS_1P8 +#endif + +/** + * @brief Enables or disables the programmable voltage detector. + */ +#if !defined(STM32_PVD_ENABLE) || defined(__DOXYGEN__) +#define STM32_PVD_ENABLE FALSE +#endif + +/** + * @brief Sets voltage level for programmable voltage detector. + */ +#if !defined(STM32_PLS) || defined(__DOXYGEN__) +#define STM32_PLS STM32_PLS_LEV0 +#endif + +/** + * @brief Enables or disables the HSI clock source. + */ +#if !defined(STM32_HSI_ENABLED) || defined(__DOXYGEN__) +#define STM32_HSI_ENABLED TRUE +#endif + +/** + * @brief Enables or disables the LSI clock source. + */ +#if !defined(STM32_LSI_ENABLED) || defined(__DOXYGEN__) +#define STM32_LSI_ENABLED TRUE +#endif + +/** + * @brief Enables or disables the HSE clock source. + */ +#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__) +#define STM32_HSE_ENABLED FALSE +#endif + +/** + * @brief Enables or disables the LSE clock source. + */ +#if !defined(STM32_HSE_ENABLED) || defined(__DOXYGEN__) +#define STM32_LSE_ENABLED FALSE +#endif + +/** + * @brief ADC clock setting. + */ +#if !defined(STM32_ADC_CLOCK_ENABLED) || defined(__DOXYGEN__) +#define STM32_ADC_CLOCK_ENABLED TRUE +#endif + +/** + * @brief USB clock setting. + */ +#if !defined(STM32_USB_CLOCK_ENABLED) || defined(__DOXYGEN__) +#define STM32_USB_CLOCK_ENABLED TRUE +#endif + +/** + * @brief MSI frequency setting. + */ +#if !defined(STM32_MSIRANGE) || defined(__DOXYGEN__) +#define STM32_MSIRANGE STM32_MSIRANGE_2M +#endif + +/** + * @brief Main clock source selection. + * @note If the selected clock source is not the PLL then the PLL is not + * initialized and started. + * @note The default value is calculated for a 32MHz system clock from + * the internal 16MHz HSI clock. + */ +#if !defined(STM32_SW) || defined(__DOXYGEN__) +#define STM32_SW STM32_SW_PLL +#endif + +/** + * @brief Clock source for the PLL. + * @note This setting has only effect if the PLL is selected as the + * system clock source. + * @note The default value is calculated for a 32MHz system clock from + * the internal 16MHz HSI clock. + */ +#if !defined(STM32_PLLSRC) || defined(__DOXYGEN__) +#define STM32_PLLSRC STM32_PLLSRC_HSI +#endif + +/** + * @brief PLL multiplier value. + * @note The allowed values are 3, 4, 6, 8, 12, 16, 32, 48. + * @note The default value is calculated for a 32MHz system clock from + * the internal 16MHz HSI clock. + */ +#if !defined(STM32_PLLMUL_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLMUL_VALUE 6 +#endif + +/** + * @brief PLL divider value. + * @note The allowed values are 2, 3, 4. + * @note The default value is calculated for a 32MHz system clock from + * the internal 16MHz HSI clock. + */ +#if !defined(STM32_PLLDIV_VALUE) || defined(__DOXYGEN__) +#define STM32_PLLDIV_VALUE 3 +#endif + +/** + * @brief AHB prescaler value. + * @note The default value is calculated for a 32MHz system clock from + * the internal 16MHz HSI clock. + */ +#if !defined(STM32_HPRE) || defined(__DOXYGEN__) +#define STM32_HPRE STM32_HPRE_DIV1 +#endif + +/** + * @brief APB1 prescaler value. + */ +#if !defined(STM32_PPRE1) || defined(__DOXYGEN__) +#define STM32_PPRE1 STM32_PPRE1_DIV1 +#endif + +/** + * @brief APB2 prescaler value. + */ +#if !defined(STM32_PPRE2) || defined(__DOXYGEN__) +#define STM32_PPRE2 STM32_PPRE2_DIV1 +#endif + +/** + * @brief MCO clock source. + */ +#if !defined(STM32_MCOSEL) || defined(__DOXYGEN__) +#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK +#endif + +/** + * @brief MCO divider setting. + */ +#if !defined(STM32_MCOPRE) || defined(__DOXYGEN__) +#define STM32_MCOPRE STM32_MCOPRE_DIV1 +#endif + +/** + * @brief RTC/LCD clock source. + */ +#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__) +#define STM32_RTCSEL STM32_RTCSEL_LSE +#endif + +/** + * @brief HSE divider toward RTC setting. + */ +#if !defined(STM32_RTCSEL) || defined(__DOXYGEN__) +#define STM32_RTCPRE STM32_RTCPRE_DIV2 +#endif +/** @} */ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/* + * Configuration-related checks. + */ +#if !defined(STM32L1xx_MCUCONF) +#error "Using a wrong mcuconf.h file, STM32L1xx_MCUCONF not defined" +#endif + +/* Voltage related limits.*/ +#if (STM32_VOS == STM32_VOS_1P8) || defined(__DOXYGEN__) +/** + * @brief Maximum HSE clock frequency at current voltage setting. + */ +#define STM32_HSECLK_MAX 32000000 + +/** + * @brief Maximum SYSCLK clock frequency at current voltage setting. + */ +#define STM32_SYSCLK_MAX 32000000 + +/** + * @brief Maximum VCO clock frequency at current voltage setting. + */ +#define STM32_PLLVCO_MAX 96000000 + +/** + * @brief Minimum VCO clock frequency at current voltage setting. + */ +#define STM32_PLLVCO_MIN 6000000 + +/** + * @brief Maximum APB1 clock frequency. + */ +#define STM32_PCLK1_MAX 32000000 + +/** + * @brief Maximum APB2 clock frequency. + */ +#define STM32_PCLK2_MAX 32000000 + +/** + * @brief Maximum frequency not requiring a wait state for flash accesses. + */ +#define STM32_0WS_THRESHOLD 16000000 + +/** + * @brief HSI availability at current voltage settings. + */ +#define STM32_HSI_AVAILABLE TRUE + +#elif STM32_VOS == STM32_VOS_1P5 +#define STM32_HSECLK_MAX 16000000 +#define STM32_SYSCLK_MAX 16000000 +#define STM32_PLLVCO_MAX 48000000 +#define STM32_PLLVCO_MIN 6000000 +#define STM32_PCLK1_MAX 16000000 +#define STM32_PCLK2_MAX 16000000 +#define STM32_0WS_THRESHOLD 8000000 +#define STM32_HSI_AVAILABLE TRUE +#elif STM32_VOS == STM32_VOS_1P2 +#define STM32_HSECLK_MAX 4000000 +#define STM32_SYSCLK_MAX 4000000 +#define STM32_PLLVCO_MAX 24000000 +#define STM32_PLLVCO_MIN 6000000 +#define STM32_PCLK1_MAX 4000000 +#define STM32_PCLK2_MAX 4000000 +#define STM32_0WS_THRESHOLD 2000000 +#define STM32_HSI_AVAILABLE FALSE +#else +#error "invalid STM32_VOS value specified" +#endif + +/* HSI related checks.*/ +#if STM32_HSI_ENABLED +#if !STM32_HSI_AVAILABLE + #error "impossible to activate HSI under the current voltage settings" +#endif +#else /* !STM32_HSI_ENABLED */ +#if STM32_ADC_CLOCK_ENABLED || \ + (STM32_SW == STM32_SW_HSI) || \ + ((STM32_SW == STM32_SW_PLL) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSI)) || \ + (STM32_MCOSEL == STM32_MCOSEL_HSI) || \ + ((STM32_MCOSEL == STM32_MCOSEL_PLL) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSI)) +#error "required HSI clock is not enabled" +#endif +#endif /* !STM32_HSI_ENABLED */ + +/* HSE related checks.*/ +#if STM32_HSE_ENABLED +#if STM32_HSECLK == 0 +#error "impossible to activate HSE" +#endif +#if (STM32_HSECLK < 1000000) || (STM32_HSECLK > STM32_HSECLK_MAX) +#error "STM32_HSECLK outside acceptable range (1MHz...STM32_HSECLK_MAX)" +#endif +#else /* !STM32_HSE_ENABLED */ +#if (STM32_SW == STM32_SW_HSE) || \ + ((STM32_SW == STM32_SW_PLL) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSE)) || \ + (STM32_MCOSEL == STM32_MCOSEL_HSE) || \ + ((STM32_MCOSEL == STM32_MCOSEL_PLL) && \ + (STM32_PLLSRC == STM32_PLLSRC_HSE)) || \ + (STM_RTC_SOURCE == STM32_RTCSEL_HSEDIV) +#error "required HSE clock is not enabled" +#endif +#endif /* !STM32_HSE_ENABLED */ + +/* LSI related checks.*/ +#if STM32_LSI_ENABLED +#else /* !STM32_LSI_ENABLED */ +#if STM_RTCCLK == STM32_LSICLK +#error "required LSI clock is not enabled" +#endif +#endif /* !STM32_LSI_ENABLED */ + +/* LSE related checks.*/ +#if STM32_LSE_ENABLED +#if (STM32_LSECLK == 0) +#error "impossible to activate LSE" +#endif +#if (STM32_LSECLK < 1000) || (STM32_LSECLK > 1000000) +#error "STM32_LSECLK outside acceptable range (1...1000kHz)" +#endif +#else /* !STM32_LSE_ENABLED */ +#if STM_RTCCLK == STM32_LSECLK +#error "required LSE clock is not enabled" +#endif +#endif /* !STM32_LSE_ENABLED */ + +/* PLL related checks.*/ +#if STM32_USB_CLOCK_ENABLED || \ + (STM32_SW == STM32_SW_PLL) || \ + (STM32_MCOSEL == STM32_MCOSEL_PLL) || \ + defined(__DOXYGEN__) +/** + * @brief PLL activation flag. + */ +#define STM32_ACTIVATE_PLL TRUE +#else +#define STM32_ACTIVATE_PLL FALSE +#endif + +/** + * @brief PLLMUL field. + */ +#if (STM32_PLLMUL_VALUE == 3) || defined(__DOXYGEN__) +#define STM32_PLLMUL (0 << 18) +#elif STM32_PLLMUL_VALUE == 4 +#define STM32_PLLMUL (1 << 18) +#elif STM32_PLLMUL_VALUE == 6 +#define STM32_PLLMUL (2 << 18) +#elif STM32_PLLMUL_VALUE == 8 +#define STM32_PLLMUL (3 << 18) +#elif STM32_PLLMUL_VALUE == 12 +#define STM32_PLLMUL (4 << 18) +#elif STM32_PLLMUL_VALUE == 16 +#define STM32_PLLMUL (5 << 18) +#elif STM32_PLLMUL_VALUE == 24 +#define STM32_PLLMUL (6 << 18) +#elif STM32_PLLMUL_VALUE == 32 +#define STM32_PLLMUL (7 << 18) +#elif STM32_PLLMUL_VALUE == 48 +#define STM32_PLLMUL (8 << 18) +#else +#error "invalid STM32_PLLMUL_VALUE value specified" +#endif + +/** + * @brief PLLDIV field. + */ +#if (STM32_PLLDIV_VALUE == 2) || defined(__DOXYGEN__) +#define STM32_PLLDIV (1 << 22) +#elif STM32_PLLDIV_VALUE == 3 +#define STM32_PLLDIV (2 << 22) +#elif STM32_PLLDIV_VALUE == 4 +#define STM32_PLLDIV (3 << 22) +#else +#error "invalid STM32_PLLDIV_VALUE value specified" +#endif + +/** + * @brief PLL input clock frequency. + */ +#if (STM32_PLLSRC == STM32_PLLSRC_HSE) || defined(__DOXYGEN__) +#define STM32_PLLCLKIN STM32_HSECLK +#elif STM32_PLLSRC == STM32_PLLSRC_HSI +#define STM32_PLLCLKIN STM32_HSICLK +#else +#error "invalid STM32_PLLSRC value specified" +#endif + +/* PLL input frequency range check.*/ +#if (STM32_PLLCLKIN < 2000000) || (STM32_PLLCLKIN > 24000000) +#error "STM32_PLLCLKIN outside acceptable range (2...24MHz)" +#endif + +/** + * @brief PLL VCO frequency. + */ +#define STM32_PLLVCO (STM32_PLLCLKIN * STM32_PLLMUL_VALUE) + +/* PLL output frequency range check.*/ +#if (STM32_PLLVCO < STM32_PLLVCO_MIN) || (STM32_PLLVCO > STM32_PLLVCO_MAX) +#error "STM32_PLLVCO outside acceptable range (STM32_PLLVCO_MIN...STM32_PLLVCO_MAX)" +#endif + +/** + * @brief PLL output clock frequency. + */ +#define STM32_PLLCLKOUT (STM32_PLLVCO / STM32_PLLDIV_VALUE) + +/* PLL output frequency range check.*/ +#if (STM32_PLLCLKOUT < 2000000) || (STM32_PLLCLKOUT > 32000000) +#error "STM32_PLLCLKOUT outside acceptable range (2...32MHz)" +#endif + +/** + * @brief MSI frequency. + * @note Values are taken from the STM8Lxx datasheet. + */ +#if STM32_MSIRANGE == STM32_MSIRANGE_64K +#define STM32_MSICLK 65500 +#elif STM32_MSIRANGE == STM32_MSIRANGE_128K +#define STM32_MSICLK 131000 +#elif STM32_MSIRANGE == STM32_MSIRANGE_256K +#define STM32_MSICLK 262000 +#elif STM32_MSIRANGE == STM32_MSIRANGE_512K +#define STM32_MSICLK 524000 +#elif STM32_MSIRANGE == STM32_MSIRANGE_1M +#define STM32_MSICLK 1050000 +#elif STM32_MSIRANGE == STM32_MSIRANGE_2M +#define STM32_MSICLK 2100000 +#elif STM32_MSIRANGE == STM32_MSIRANGE_4M +#define STM32_MSICLK 4200000 +#else +#error "invalid STM32_MSIRANGE value specified" +#endif + +/** + * @brief System clock source. + */ +#if STM32_NO_INIT || defined(__DOXYGEN__) +#define STM32_SYSCLK 2100000 +#elif (STM32_SW == STM32_SW_MSI) +#define STM32_SYSCLK STM32_MSICLK +#elif (STM32_SW == STM32_SW_HSI) +#define STM32_SYSCLK STM32_HSICLK +#elif (STM32_SW == STM32_SW_HSE) +#define STM32_SYSCLK STM32_HSECLK +#elif (STM32_SW == STM32_SW_PLL) +#define STM32_SYSCLK STM32_PLLCLKOUT +#else +#error "invalid STM32_SW value specified" +#endif + +/* Check on the system clock.*/ +#if STM32_SYSCLK > STM32_SYSCLK_MAX +#error "STM32_SYSCLK above maximum rated frequency (STM32_SYSCLK_MAX)" +#endif + +/** + * @brief AHB frequency. + */ +#if (STM32_HPRE == STM32_HPRE_DIV1) || defined(__DOXYGEN__) +#define STM32_HCLK (STM32_SYSCLK / 1) +#elif STM32_HPRE == STM32_HPRE_DIV2 +#define STM32_HCLK (STM32_SYSCLK / 2) +#elif STM32_HPRE == STM32_HPRE_DIV4 +#define STM32_HCLK (STM32_SYSCLK / 4) +#elif STM32_HPRE == STM32_HPRE_DIV8 +#define STM32_HCLK (STM32_SYSCLK / 8) +#elif STM32_HPRE == STM32_HPRE_DIV16 +#define STM32_HCLK (STM32_SYSCLK / 16) +#elif STM32_HPRE == STM32_HPRE_DIV64 +#define STM32_HCLK (STM32_SYSCLK / 64) +#elif STM32_HPRE == STM32_HPRE_DIV128 +#define STM32_HCLK (STM32_SYSCLK / 128) +#elif STM32_HPRE == STM32_HPRE_DIV256 +#define STM32_HCLK (STM32_SYSCLK / 256) +#elif STM32_HPRE == STM32_HPRE_DIV512 +#define STM32_HCLK (STM32_SYSCLK / 512) +#else +#error "invalid STM32_HPRE value specified" +#endif + +/* AHB frequency check.*/ +#if STM32_HCLK > STM32_SYSCLK_MAX +#error "STM32_HCLK exceeding maximum frequency (STM32_SYSCLK_MAX)" +#endif + +/** + * @brief APB1 frequency. + */ +#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__) +#define STM32_PCLK1 (STM32_HCLK / 1) +#elif STM32_PPRE1 == STM32_PPRE1_DIV2 +#define STM32_PCLK1 (STM32_HCLK / 2) +#elif STM32_PPRE1 == STM32_PPRE1_DIV4 +#define STM32_PCLK1 (STM32_HCLK / 4) +#elif STM32_PPRE1 == STM32_PPRE1_DIV8 +#define STM32_PCLK1 (STM32_HCLK / 8) +#elif STM32_PPRE1 == STM32_PPRE1_DIV16 +#define STM32_PCLK1 (STM32_HCLK / 16) +#else +#error "invalid STM32_PPRE1 value specified" +#endif + +/* APB1 frequency check.*/ +#if STM32_PCLK1 > STM32_PCLK1_MAX +#error "STM32_PCLK1 exceeding maximum frequency (STM32_PCLK1_MAX)" +#endif + +/** + * @brief APB2 frequency. + */ +#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__) +#define STM32_PCLK2 (STM32_HCLK / 1) +#elif STM32_PPRE2 == STM32_PPRE2_DIV2 +#define STM32_PCLK2 (STM32_HCLK / 2) +#elif STM32_PPRE2 == STM32_PPRE2_DIV4 +#define STM32_PCLK2 (STM32_HCLK / 4) +#elif STM32_PPRE2 == STM32_PPRE2_DIV8 +#define STM32_PCLK2 (STM32_HCLK / 8) +#elif STM32_PPRE2 == STM32_PPRE2_DIV16 +#define STM32_PCLK2 (STM32_HCLK / 16) +#else +#error "invalid STM32_PPRE2 value specified" +#endif + +/* APB2 frequency check.*/ +#if STM32_PCLK2 > STM32_PCLK2_MAX +#error "STM32_PCLK2 exceeding maximum frequency (STM32_PCLK2_MAX)" +#endif + +/** + * @brief MCO divider clock. + */ +#if (STM32_MCOSEL == STM32_MCOSEL_NOCLOCK) || defined(__DOXYGEN__) +#define STM_MCODIVCLK 0 +#elif STM32_MCOSEL == STM32_MCOSEL_HSI +#define STM_MCODIVCLK STM32_HSICLK +#elif STM32_MCOSEL == STM32_MCOSEL_MSI +#define STM_MCODIVCLK STM32_MSICLK +#elif STM32_MCOSEL == STM32_MCOSEL_HSE +#define STM_MCODIVCLK STM32_HSECLK +#elif STM32_MCOSEL == STM32_MCOSEL_PLL +#define STM_MCODIVCLK STM32_PLLCLKOUT +#elif STM32_MCOSEL == STM32_MCOSEL_LSI +#define STM_MCODIVCLK STM32_LSICLK +#elif STM32_MCOSEL == STM32_MCOSEL_LSE +#define STM_MCODIVCLK STM32_LSECLK +#else +#error "invalid STM32_MCOSEL value specified" +#endif + +/** + * @brief MCO output pin clock. + */ +#if (STM32_MCOPRE == STM32_MCOPRE_DIV1) || defined(__DOXYGEN__) +#define STM_MCOCLK STM_MCODIVCLK +#elif STM32_MCOPRE == STM32_MCOPRE_DIV2 +#define STM_MCOCLK (STM_MCODIVCLK / 2) +#elif STM32_MCOPRE == STM32_MCOPRE_DIV4 +#define STM_MCOCLK (STM_MCODIVCLK / 4) +#elif STM32_MCOPRE == STM32_MCOPRE_DIV8 +#define STM_MCOCLK (STM_MCODIVCLK / 8) +#elif STM32_MCOPRE == STM32_MCOPRE_DIV16 +#define STM_MCOCLK (STM_MCODIVCLK / 16) +#else +#error "invalid STM32_MCOPRE value specified" +#endif + +/** + * @brief HSE divider toward RTC clock. + */ +#if (STM32_RTCPRE == STM32_RTCPRE_DIV2) || defined(__DOXYGEN__) +#define STM32_HSEDIVCLK (STM32_HSECLK / 2) +#elif (STM32_RTCPRE == STM32_RTCPRE_DIV4) || defined(__DOXYGEN__) +#define STM32_HSEDIVCLK (STM32_HSECLK / 4) +#elif (STM32_RTCPRE == STM32_RTCPRE_DIV8) || defined(__DOXYGEN__) +#define STM32_HSEDIVCLK (STM32_HSECLK / 8) +#elif (STM32_RTCPRE == STM32_RTCPRE_DIV16) || defined(__DOXYGEN__) +#define STM32_HSEDIVCLK (STM32_HSECLK / 16) +#else +#error "invalid STM32_RTCPRE value specified" +#endif + +/** + * @brief RTC/LCD clock. + */ +#if (STM32_RTCSEL == STM32_RTCSEL_NOCLOCK) || defined(__DOXYGEN__) +#define STM32_RTCCLK 0 +#elif STM32_RTCSEL == STM32_RTCSEL_LSE +#define STM32_RTCCLK STM32_LSECLK +#elif STM32_RTCSEL == STM32_RTCSEL_LSI +#define STM32_RTCCLK STM32_LSICLK +#elif STM32_RTCSEL == STM32_RTCSEL_HSEDIV +#define STM32_RTCCLK STM32_HSEDIVCLK +#else +#error "invalid STM32_RTCSEL value specified" +#endif + +/** + * @brief ADC frequency. + */ +#define STM32_ADCCLK STM32_HSICLK + +/** + * @brief USB frequency. + */ +#define STM32_USBCLK (STM32_PLLVCO / 2) + +/** + * @brief Timers 2, 3, 4, 6, 7 clock. + */ +#if (STM32_PPRE1 == STM32_PPRE1_DIV1) || defined(__DOXYGEN__) +#define STM32_TIMCLK1 (STM32_PCLK1 * 1) +#else +#define STM32_TIMCLK1 (STM32_PCLK1 * 2) +#endif + +/** + * @brief Timers 9, 10, 11 clock. + */ +#if (STM32_PPRE2 == STM32_PPRE2_DIV1) || defined(__DOXYGEN__) +#define STM32_TIMCLK2 (STM32_PCLK2 * 1) +#else +#define STM32_TIMCLK2 (STM32_PCLK2 * 2) +#endif + +/** + * @brief Flash settings. + */ +#if (STM32_HCLK <= STM32_0WS_THRESHOLD) || defined(__DOXYGEN__) +#define STM32_FLASHBITS1 0x00000000 +#else +#define STM32_FLASHBITS1 0x00000004 +#define STM32_FLASHBITS2 0x00000007 +#endif + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief Type representing a system clock frequency. + */ +typedef uint32_t halclock_t; + +/** + * @brief Type of the realtime free counter value. + */ +typedef uint32_t halrtcnt_t; + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @brief Returns the current value of the system free running counter. + * @note This service is implemented by returning the content of the + * DWT_CYCCNT register. + * + * @return The value of the system free running counter of + * type halrtcnt_t. + * + * @notapi + */ +#define hal_lld_get_counter_value() DWT_CYCCNT + +/** + * @brief Realtime counter frequency. + * @note The DWT_CYCCNT register is incremented directly by the system + * clock so this function returns STM32_HCLK. + * + * @return The realtime counter frequency of type halclock_t. + * + * @notapi + */ +#define hal_lld_get_counter_frequency() STM32_HCLK + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +/* STM32 ISR, DMA and RCC helpers.*/ +#include "stm32_isr.h" +#include "stm32_dma.h" +#include "stm32_rcc.h" + +#ifdef __cplusplus +extern "C" { +#endif + void hal_lld_init(void); + void stm32_clock_init(void); +#ifdef __cplusplus +} +#endif + +#endif /* _HAL_LLD_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32L1xx/platform.dox b/os/hal/ports/STM32L1xx/platform.dox new file mode 100644 index 000000000..879b164c9 --- /dev/null +++ b/os/hal/ports/STM32L1xx/platform.dox @@ -0,0 +1,315 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @defgroup STM32L1xx_DRIVERS STM32L1xx Drivers + * @details This section describes all the supported drivers on the STM32L1xx + * platform and the implementation details of the single drivers. + * + * @ingroup platforms + */ + +/** + * @defgroup STM32L1xx_HAL STM32L1xx Initialization Support + * @details The STM32L1xx HAL support is responsible for system initialization. + * + * @section stm32l1xx_hal_1 Supported HW resources + * - PLL1. + * - RCC. + * - Flash. + * . + * @section stm32l1xx_hal_2 STM32L1xx HAL driver implementation features + * - PLL startup and stabilization. + * - Clock tree initialization. + * - Clock source selection. + * - Flash wait states initialization based on the selected clock options. + * - SYSTICK initialization based on current clock and kernel required rate. + * - DMA support initialization. + * . + * @ingroup STM32L1xx_DRIVERS + */ + +/** + * @defgroup STM32L1xx_ADC STM32L1xx ADC Support + * @details The STM32L1xx ADC driver supports the ADC peripherals using DMA + * channels for maximum performance. + * + * @section stm32l1xx_adc_1 Supported HW resources + * - ADC1. + * - DMA1. + * . + * @section stm32l1xx_adc_2 STM32L1xx ADC driver implementation features + * - Clock stop for reduced power usage when the driver is in stop state. + * - Streaming conversion using DMA for maximum performance. + * - Programmable ADC interrupt priority level. + * - Programmable DMA bus priority for each DMA channel. + * - Programmable DMA interrupt priority for each DMA channel. + * - DMA and ADC errors detection. + * . + * @ingroup STM32L1xx_DRIVERS + */ + +/** + * @defgroup STM32L1xx_EXT STM32L1xx EXT Support + * @details The STM32L1xx EXT driver uses the EXTI peripheral. + * + * @section stm32l1xx_ext_1 Supported HW resources + * - EXTI. + * . + * @section stm32l1xx_ext_2 STM32L1xx EXT driver implementation features + * - Each EXTI channel can be independently enabled and programmed. + * - Programmable EXTI interrupts priority level. + * - Capability to work as event sources (WFE) rather than interrupt sources. + * . + * @ingroup STM32L1xx_DRIVERS + */ + +/** + * @defgroup STM32L1xx_GPT STM32L1xx GPT Support + * @details The STM32L1xx GPT driver uses the TIMx peripherals. + * + * @section stm32l1xx_gpt_1 Supported HW resources + * - TIM2. + * - TIM3. + * - TIM4. + * . + * @section stm32l1xx_gpt_2 STM32L1xx GPT driver implementation features + * - Each timer can be independently enabled and programmed. Unused + * peripherals are left in low power mode. + * - Programmable TIMx interrupts priority level. + * . + * @ingroup STM32L1xx_DRIVERS + */ + +/** + * @defgroup STM32L1xx_ICU STM32L1xx ICU Support + * @details The STM32L1xx ICU driver uses the TIMx peripherals. + * + * @section stm32l1xx_icu_1 Supported HW resources + * - TIM2. + * - TIM3. + * - TIM4. + * . + * @section stm32l1xx_icu_2 STM32L1xx ICU driver implementation features + * - Each timer can be independently enabled and programmed. Unused + * peripherals are left in low power mode. + * - Programmable TIMx interrupts priority level. + * . + * @ingroup STM32L1xx_DRIVERS + */ + +/** + * @defgroup STM32L1xx_PAL STM32L1xx PAL Support + * @details The STM32L1xx PAL driver uses the GPIO peripherals. + * + * @section stm32l1xx_pal_1 Supported HW resources + * - GPIOA. + * - GPIOB. + * - GPIOC. + * - GPIOD. + * - GPIOE. + * - GPIOH. + * . + * @section stm32l1xx_pal_2 STM32L1xx PAL driver implementation features + * The PAL driver implementation fully supports the following hardware + * capabilities: + * - 16 bits wide ports. + * - Atomic set/reset functions. + * - Atomic set+reset function (atomic bus operations). + * - Output latched regardless of the pad setting. + * - Direct read of input pads regardless of the pad setting. + * . + * @section stm32l1xx_pal_3 Supported PAL setup modes + * The STM32L1xx PAL driver supports the following I/O modes: + * - @p PAL_MODE_RESET. + * - @p PAL_MODE_UNCONNECTED. + * - @p PAL_MODE_INPUT. + * - @p PAL_MODE_INPUT_PULLUP. + * - @p PAL_MODE_INPUT_PULLDOWN. + * - @p PAL_MODE_INPUT_ANALOG. + * - @p PAL_MODE_OUTPUT_PUSHPULL. + * - @p PAL_MODE_OUTPUT_OPENDRAIN. + * - @p PAL_MODE_ALTERNATE (non standard). + * . + * Any attempt to setup an invalid mode is ignored. + * + * @section stm32l1xx_pal_4 Suboptimal behavior + * The STM32L1xx GPIO is less than optimal in several areas, the limitations + * should be taken in account while using the PAL driver: + * - Pad/port toggling operations are not atomic. + * - Pad/group mode setup is not atomic. + * . + * @ingroup STM32L1xx_DRIVERS + */ + +/** + * @defgroup STM32L1xx_PWM STM32L1xx PWM Support + * @details The STM32L1xx PWM driver uses the TIMx peripherals. + * + * @section stm32l1xx_pwm_1 Supported HW resources + * - TIM1. + * - TIM2. + * - TIM3. + * - TIM4. + * . + * @section stm32l1xx_pwm_2 STM32L1xx PWM driver implementation features + * - Each timer can be independently enabled and programmed. Unused + * peripherals are left in low power mode. + * - Four independent PWM channels per timer. + * - Programmable TIMx interrupts priority level. + * . + * @ingroup STM32L1xx_DRIVERS + */ + +/** + * @defgroup STM32L1xx_SERIAL STM32L1xx Serial Support + * @details The STM32L1xx Serial driver uses the USART/UART peripherals in a + * buffered, interrupt driven, implementation. + * + * @section stm32l1xx_serial_1 Supported HW resources + * The serial driver can support any of the following hardware resources: + * - USART1. + * - USART2. + * - USART3 (where present). + * - UART4 (where present). + * - UART5 (where present). + * . + * @section stm32l1xx_serial_2 STM32L1xx Serial driver implementation features + * - Clock stop for reduced power usage when the driver is in stop state. + * - Each UART/USART can be independently enabled and programmed. Unused + * peripherals are left in low power mode. + * - Fully interrupt driven. + * - Programmable priority levels for each UART/USART. + * . + * @ingroup STM32L1xx_DRIVERS + */ + +/** + * @defgroup STM32L1xx_SPI STM32L1xx SPI Support + * @details The SPI driver supports the STM32L1xx SPI peripherals using DMA + * channels for maximum performance. + * + * @section stm32l1xx_spi_1 Supported HW resources + * - SPI1. + * - SPI2. + * - SPI3 (where present). + * - DMA1. + * - DMA2 (where present). + * . + * @section stm32l1xx_spi_2 STM32L1xx SPI driver implementation features + * - Clock stop for reduced power usage when the driver is in stop state. + * - Each SPI can be independently enabled and programmed. Unused + * peripherals are left in low power mode. + * - Programmable interrupt priority levels for each SPI. + * - DMA is used for receiving and transmitting. + * - Programmable DMA bus priority for each DMA channel. + * - Programmable DMA interrupt priority for each DMA channel. + * - Programmable DMA error hook. + * . + * @ingroup STM32L1xx_DRIVERS + */ + +/** + * @defgroup STM32L1xx_UART STM32L1xx UART Support + * @details The UART driver supports the STM32L1xx USART peripherals using DMA + * channels for maximum performance. + * + * @section stm32l1xx_uart_1 Supported HW resources + * The UART driver can support any of the following hardware resources: + * - USART1. + * - USART2. + * - USART3 (where present). + * - DMA1. + * . + * @section stm32l1xx_uart_2 STM32L1xx UART driver implementation features + * - Clock stop for reduced power usage when the driver is in stop state. + * - Each UART/USART can be independently enabled and programmed. Unused + * peripherals are left in low power mode. + * - Programmable interrupt priority levels for each UART/USART. + * - DMA is used for receiving and transmitting. + * - Programmable DMA bus priority for each DMA channel. + * - Programmable DMA interrupt priority for each DMA channel. + * - Programmable DMA error hook. + * . + * @ingroup STM32L1xx_DRIVERS + */ + +/** + * @defgroup STM32L1xx_USB STM32L1xx USB Support + * @details The USB driver supports the STM32L1xx USB peripheral. + * + * @section stm32l1xx_usb_1 Supported HW resources + * The USB driver can support any of the following hardware resources: + * - USB. + * . + * @section stm32l1xx_usb_2 STM32L1xx USB driver implementation features + * - Clock stop for reduced power usage when the driver is in stop state. + * - Programmable interrupt priority levels. + * - Each endpoint programmable in Control, Bulk and Interrupt modes. + * . + * @ingroup STM32L1xx_DRIVERS + */ + +/** + * @defgroup STM32L1xx_PLATFORM_DRIVERS STM32L1xx Platform Drivers + * @details Platform support drivers. Platform drivers do not implement HAL + * standard driver templates, their role is to support platform + * specific functionalities. + * + * @ingroup STM32L1xx_DRIVERS + */ + +/** + * @defgroup STM32L1xx_DMA STM32L1xx DMA Support + * @details This DMA helper driver is used by the other drivers in order to + * access the shared DMA resources in a consistent way. + * + * @section stm32l1xx_dma_1 Supported HW resources + * The DMA driver can support any of the following hardware resources: + * - DMA1. + * . + * @section stm32l1xx_dma_2 STM32L1xx DMA driver implementation features + * - Exports helper functions/macros to the other drivers that share the + * DMA resource. + * - Automatic DMA clock stop when not in use by any driver. + * - DMA streams and interrupt vectors sharing among multiple drivers. + * . + * @ingroup STM32L1xx_PLATFORM_DRIVERS + */ + +/** + * @defgroup STM32L1xx_ISR STM32L1xx ISR Support + * @details This ISR helper driver is used by the other drivers in order to + * map ISR names to physical vector names. + * + * @ingroup STM32L1xx_PLATFORM_DRIVERS + */ + +/** + * @defgroup STM32L1xx_RCC STM32L1xx RCC Support + * @details This RCC helper driver is used by the other drivers in order to + * access the shared RCC resources in a consistent way. + * + * @section stm32f1xx_rcc_1 Supported HW resources + * - RCC. + * . + * @section stm32l1xx_rcc_2 STM32L1xx RCC driver implementation features + * - Peripherals reset. + * - Peripherals clock enable. + * - Peripherals clock disable. + * . + * @ingroup STM32L1xx_PLATFORM_DRIVERS + */ diff --git a/os/hal/ports/STM32L1xx/platform.mk b/os/hal/ports/STM32L1xx/platform.mk new file mode 100644 index 000000000..4678792a5 --- /dev/null +++ b/os/hal/ports/STM32L1xx/platform.mk @@ -0,0 +1,25 @@ +# List of all the STM32L1xx platform files. +PLATFORMSRC = ${CHIBIOS}/os/hal/platforms/STM32L1xx/stm32_dma.c \ + ${CHIBIOS}/os/hal/platforms/STM32L1xx/hal_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32L1xx/adc_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32L1xx/ext_lld_isr.c \ + ${CHIBIOS}/os/hal/platforms/STM32/ext_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/GPIOv2/pal_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/I2Cv1/i2c_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/SPIv1/spi_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/TIMv1/gpt_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/TIMv1/icu_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/TIMv1/pwm_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/USARTv1/serial_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/USARTv1/uart_lld.c \ + ${CHIBIOS}/os/hal/platforms/STM32/USBv1/usb_lld.c + +# Required include directories +PLATFORMINC = ${CHIBIOS}/os/hal/platforms/STM32L1xx \ + ${CHIBIOS}/os/hal/platforms/STM32 \ + ${CHIBIOS}/os/hal/platforms/STM32/GPIOv2 \ + ${CHIBIOS}/os/hal/platforms/STM32/I2Cv1 \ + ${CHIBIOS}/os/hal/platforms/STM32/SPIv1 \ + ${CHIBIOS}/os/hal/platforms/STM32/TIMv1 \ + ${CHIBIOS}/os/hal/platforms/STM32/USARTv1 \ + ${CHIBIOS}/os/hal/platforms/STM32/USBv1 diff --git a/os/hal/ports/STM32L1xx/stm32_dma.c b/os/hal/ports/STM32L1xx/stm32_dma.c new file mode 100644 index 000000000..31b475589 --- /dev/null +++ b/os/hal/ports/STM32L1xx/stm32_dma.c @@ -0,0 +1,344 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32L1xx/stm32_dma.c + * @brief DMA helper driver code. + * + * @addtogroup STM32L1xx_DMA + * @details DMA sharing helper driver. In the STM32 the DMA streams are a + * shared resource, this driver allows to allocate and free DMA + * streams at runtime in order to allow all the other device + * drivers to coordinate the access to the resource. + * @note The DMA ISR handlers are all declared into this module because + * sharing, the various device drivers can associate a callback to + * ISRs when allocating streams. + * @{ + */ + +#include "ch.h" +#include "hal.h" + +/* The following macro is only defined if some driver requiring DMA services + has been enabled.*/ +#if defined(STM32_DMA_REQUIRED) || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/** + * @brief Mask of the DMA1 streams in @p dma_streams_mask. + */ +#define STM32_DMA1_STREAMS_MASK 0x0000007F + +/** + * @brief Mask of the DMA2 streams in @p dma_streams_mask. + */ +#define STM32_DMA2_STREAMS_MASK 0x00000F80 + +/** + * @brief Post-reset value of the stream CCR register. + */ +#define STM32_DMA_CCR_RESET_VALUE 0x00000000 + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/** + * @brief DMA streams descriptors. + * @details This table keeps the association between an unique stream + * identifier and the involved physical registers. + * @note Don't use this array directly, use the appropriate wrapper macros + * instead: @p STM32_DMA1_STREAM1, @p STM32_DMA1_STREAM2 etc. + */ +const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS] = { + {DMA1_Channel1, &DMA1->IFCR, 0, 0, DMA1_Channel1_IRQn}, + {DMA1_Channel2, &DMA1->IFCR, 4, 1, DMA1_Channel2_IRQn}, + {DMA1_Channel3, &DMA1->IFCR, 8, 2, DMA1_Channel3_IRQn}, + {DMA1_Channel4, &DMA1->IFCR, 12, 3, DMA1_Channel4_IRQn}, + {DMA1_Channel5, &DMA1->IFCR, 16, 4, DMA1_Channel5_IRQn}, + {DMA1_Channel6, &DMA1->IFCR, 20, 5, DMA1_Channel6_IRQn}, + {DMA1_Channel7, &DMA1->IFCR, 24, 6, DMA1_Channel7_IRQn} +}; + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/** + * @brief DMA ISR redirector type. + */ +typedef struct { + stm32_dmaisr_t dma_func; /**< @brief DMA callback function. */ + void *dma_param; /**< @brief DMA callback parameter. */ +} dma_isr_redir_t; + +/** + * @brief Mask of the allocated streams. + */ +static uint32_t dma_streams_mask; + +/** + * @brief DMA IRQ redirectors. + */ +static dma_isr_redir_t dma_isr_redir[STM32_DMA_STREAMS]; + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver interrupt handlers. */ +/*===========================================================================*/ + +/** + * @brief DMA1 stream 1 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Ch1_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 0) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 0; + if (dma_isr_redir[0].dma_func) + dma_isr_redir[0].dma_func(dma_isr_redir[0].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 2 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Ch2_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 4) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 4; + if (dma_isr_redir[1].dma_func) + dma_isr_redir[1].dma_func(dma_isr_redir[1].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 3 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Ch3_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 8) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 8; + if (dma_isr_redir[2].dma_func) + dma_isr_redir[2].dma_func(dma_isr_redir[2].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 4 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Ch4_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 12) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 12; + if (dma_isr_redir[3].dma_func) + dma_isr_redir[3].dma_func(dma_isr_redir[3].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 5 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Ch5_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 16) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 16; + if (dma_isr_redir[4].dma_func) + dma_isr_redir[4].dma_func(dma_isr_redir[4].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 6 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Ch6_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 20) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 20; + if (dma_isr_redir[5].dma_func) + dma_isr_redir[5].dma_func(dma_isr_redir[5].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/** + * @brief DMA1 stream 7 shared interrupt handler. + * + * @isr + */ +CH_IRQ_HANDLER(DMA1_Ch7_IRQHandler) { + uint32_t flags; + + CH_IRQ_PROLOGUE(); + + flags = (DMA1->ISR >> 24) & STM32_DMA_ISR_MASK; + DMA1->IFCR = STM32_DMA_ISR_MASK << 24; + if (dma_isr_redir[6].dma_func) + dma_isr_redir[6].dma_func(dma_isr_redir[6].dma_param, flags); + + CH_IRQ_EPILOGUE(); +} + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief STM32 DMA helper initialization. + * + * @init + */ +void dmaInit(void) { + int i; + + dma_streams_mask = 0; + for (i = 0; i < STM32_DMA_STREAMS; i++) { + _stm32_dma_streams[i].channel->CCR = 0; + dma_isr_redir[i].dma_func = NULL; + } + DMA1->IFCR = 0xFFFFFFFF; +} + +/** + * @brief Allocates a DMA stream. + * @details The stream is allocated and, if required, the DMA clock enabled. + * The function also enables the IRQ vector associated to the stream + * and initializes its priority. + * @pre The stream must not be already in use or an error is returned. + * @post The stream is allocated and the default ISR handler redirected + * to the specified function. + * @post The stream ISR vector is enabled and its priority configured. + * @post The stream must be freed using @p dmaStreamRelease() before it can + * be reused with another peripheral. + * @post The stream is in its post-reset state. + * @note This function can be invoked in both ISR or thread context. + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] priority IRQ priority mask for the DMA stream + * @param[in] func handling function pointer, can be @p NULL + * @param[in] param a parameter to be passed to the handling function + * @return The operation status. + * @retval FALSE no error, stream taken. + * @retval TRUE error, stream already taken. + * + * @special + */ +bool_t dmaStreamAllocate(const stm32_dma_stream_t *dmastp, + uint32_t priority, + stm32_dmaisr_t func, + void *param) { + + chDbgCheck(dmastp != NULL, "dmaStreamAllocate"); + + /* Checks if the stream is already taken.*/ + if ((dma_streams_mask & (1 << dmastp->selfindex)) != 0) + return TRUE; + + /* Marks the stream as allocated.*/ + dma_isr_redir[dmastp->selfindex].dma_func = func; + dma_isr_redir[dmastp->selfindex].dma_param = param; + dma_streams_mask |= (1 << dmastp->selfindex); + + /* Enabling DMA clocks required by the current streams set.*/ + if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) != 0) + rccEnableDMA1(FALSE); + + /* Putting the stream in a safe state.*/ + dmaStreamDisable(dmastp); + dmastp->channel->CCR = STM32_DMA_CCR_RESET_VALUE; + + /* Enables the associated IRQ vector if a callback is defined.*/ + if (func != NULL) + nvicEnableVector(dmastp->vector, CORTEX_PRIORITY_MASK(priority)); + + return FALSE; +} + +/** + * @brief Releases a DMA stream. + * @details The stream is freed and, if required, the DMA clock disabled. + * Trying to release a unallocated stream is an illegal operation + * and is trapped if assertions are enabled. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post The stream is again available. + * @note This function can be invoked in both ISR or thread context. + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * + * @special + */ +void dmaStreamRelease(const stm32_dma_stream_t *dmastp) { + + chDbgCheck(dmastp != NULL, "dmaStreamRelease"); + + /* Check if the streams is not taken.*/ + chDbgAssert((dma_streams_mask & (1 << dmastp->selfindex)) != 0, + "dmaStreamRelease(), #1", "not allocated"); + + /* Disables the associated IRQ vector.*/ + nvicDisableVector(dmastp->vector); + + /* Marks the stream as not allocated.*/ + dma_streams_mask &= ~(1 << dmastp->selfindex); + + /* Shutting down clocks that are no more required, if any.*/ + if ((dma_streams_mask & STM32_DMA1_STREAMS_MASK) == 0) + rccDisableDMA1(FALSE); +} + +#endif /* STM32_DMA_REQUIRED */ + +/** @} */ diff --git a/os/hal/ports/STM32L1xx/stm32_dma.h b/os/hal/ports/STM32L1xx/stm32_dma.h new file mode 100644 index 000000000..2e3225ce9 --- /dev/null +++ b/os/hal/ports/STM32L1xx/stm32_dma.h @@ -0,0 +1,396 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32L1xx/stm32_dma.h + * @brief DMA helper driver header. + * @note This file requires definitions from the ST header file stm32l1xx.h. + * @note This driver uses the new naming convention used for the STM32F2xx + * so the "DMA channels" are referred as "DMA streams". + * + * @addtogroup STM32L1xx_DMA + * @{ + */ + +#ifndef _STM32_DMA_H_ +#define _STM32_DMA_H_ + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @brief Total number of DMA streams. + * @note This is the total number of streams among all the DMA units. + */ +#define STM32_DMA_STREAMS 7 + +/** + * @brief Mask of the ISR bits passed to the DMA callback functions. + */ +#define STM32_DMA_ISR_MASK 0x0F + +/** + * @brief Returns the channel associated to the specified stream. + * + * @param[in] n the stream number (0...STM32_DMA_STREAMS-1) + * @param[in] c a stream/channel association word, one channel per + * nibble, not associated channels must be set to 0xF + * @return Always zero, in this platform there is no dynamic + * association between streams and channels. + */ +#define STM32_DMA_GETCHANNEL(n, c) 0 + +/** + * @brief Checks if a DMA priority is within the valid range. + * @param[in] prio DMA priority + * + * @retval The check result. + * @retval FALSE invalid DMA priority. + * @retval TRUE correct DMA priority. + */ +#define STM32_DMA_IS_VALID_PRIORITY(prio) (((prio) >= 0) && ((prio) <= 3)) + +/** + * @brief Returns an unique numeric identifier for a DMA stream. + * + * @param[in] dma the DMA unit number + * @param[in] stream the stream number + * @return An unique numeric stream identifier. + */ +#define STM32_DMA_STREAM_ID(dma, stream) ((stream) - 1) + +/** + * @brief Returns a DMA stream identifier mask. + * + * + * @param[in] dma the DMA unit number + * @param[in] stream the stream number + * @return A DMA stream identifier mask. + */ +#define STM32_DMA_STREAM_ID_MSK(dma, stream) \ + (1 << STM32_DMA_STREAM_ID(dma, stream)) + +/** + * @brief Checks if a DMA stream unique identifier belongs to a mask. + * @param[in] id the stream numeric identifier + * @param[in] mask the stream numeric identifiers mask + * + * @retval The check result. + * @retval FALSE id does not belong to the mask. + * @retval TRUE id belongs to the mask. + */ +#define STM32_DMA_IS_VALID_ID(id, mask) (((1 << (id)) & (mask))) + +/** + * @name DMA streams identifiers + * @{ + */ +/** + * @brief Returns a pointer to a stm32_dma_stream_t structure. + * + * @param[in] id the stream numeric identifier + * @return A pointer to the stm32_dma_stream_t constant structure + * associated to the DMA stream. + */ +#define STM32_DMA_STREAM(id) (&_stm32_dma_streams[id]) + +#define STM32_DMA1_STREAM1 STM32_DMA_STREAM(0) +#define STM32_DMA1_STREAM2 STM32_DMA_STREAM(1) +#define STM32_DMA1_STREAM3 STM32_DMA_STREAM(2) +#define STM32_DMA1_STREAM4 STM32_DMA_STREAM(3) +#define STM32_DMA1_STREAM5 STM32_DMA_STREAM(4) +#define STM32_DMA1_STREAM6 STM32_DMA_STREAM(5) +#define STM32_DMA1_STREAM7 STM32_DMA_STREAM(6) +/** @} */ + +/** + * @name CR register constants common to all DMA types + * @{ + */ +#define STM32_DMA_CR_EN DMA_CCR1_EN +#define STM32_DMA_CR_TEIE DMA_CCR1_TEIE +#define STM32_DMA_CR_HTIE DMA_CCR1_HTIE +#define STM32_DMA_CR_TCIE DMA_CCR1_TCIE +#define STM32_DMA_CR_DIR_MASK (DMA_CCR1_DIR | DMA_CCR1_MEM2MEM) +#define STM32_DMA_CR_DIR_P2M 0 +#define STM32_DMA_CR_DIR_M2P DMA_CCR1_DIR +#define STM32_DMA_CR_DIR_M2M DMA_CCR1_MEM2MEM +#define STM32_DMA_CR_CIRC DMA_CCR1_CIRC +#define STM32_DMA_CR_PINC DMA_CCR1_PINC +#define STM32_DMA_CR_MINC DMA_CCR1_MINC +#define STM32_DMA_CR_PSIZE_MASK DMA_CCR1_PSIZE +#define STM32_DMA_CR_PSIZE_BYTE 0 +#define STM32_DMA_CR_PSIZE_HWORD DMA_CCR1_PSIZE_0 +#define STM32_DMA_CR_PSIZE_WORD DMA_CCR1_PSIZE_1 +#define STM32_DMA_CR_MSIZE_MASK DMA_CCR1_MSIZE +#define STM32_DMA_CR_MSIZE_BYTE 0 +#define STM32_DMA_CR_MSIZE_HWORD DMA_CCR1_MSIZE_0 +#define STM32_DMA_CR_MSIZE_WORD DMA_CCR1_MSIZE_1 +#define STM32_DMA_CR_SIZE_MASK (STM32_DMA_CR_PSIZE_MASK | \ + STM32_DMA_CR_MSIZE_MASK) +#define STM32_DMA_CR_PL_MASK DMA_CCR1_PL +#define STM32_DMA_CR_PL(n) ((n) << 12) +/** @} */ + +/** + * @name CR register constants only found in enhanced DMA + * @{ + */ +#define STM32_DMA_CR_DMEIE 0 /**< @brief Ignored by normal DMA. */ +#define STM32_DMA_CR_CHSEL_MASK 0 /**< @brief Ignored by normal DMA. */ +#define STM32_DMA_CR_CHSEL(n) 0 /**< @brief Ignored by normal DMA. */ +/** @} */ + +/** + * @name Status flags passed to the ISR callbacks + * @{ + */ +#define STM32_DMA_ISR_FEIF 0 +#define STM32_DMA_ISR_DMEIF 0 +#define STM32_DMA_ISR_TEIF DMA_ISR_TEIF1 +#define STM32_DMA_ISR_HTIF DMA_ISR_HTIF1 +#define STM32_DMA_ISR_TCIF DMA_ISR_TCIF1 +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/** + * @brief STM32 DMA stream descriptor structure. + */ +typedef struct { + DMA_Channel_TypeDef *channel; /**< @brief Associated DMA channel. */ + volatile uint32_t *ifcr; /**< @brief Associated IFCR reg. */ + uint8_t ishift; /**< @brief Bits offset in xIFCR + register. */ + uint8_t selfindex; /**< @brief Index to self in array. */ + uint8_t vector; /**< @brief Associated IRQ vector. */ +} stm32_dma_stream_t; + +/** + * @brief STM32 DMA ISR function type. + * + * @param[in] p parameter for the registered function + * @param[in] flags pre-shifted content of the ISR register, the bits + * are aligned to bit zero + */ +typedef void (*stm32_dmaisr_t)(void *p, uint32_t flags); + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @name Macro Functions + * @{ + */ +/** + * @brief Associates a peripheral data register to a DMA stream. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] addr value to be written in the CPAR register + * + * @special + */ +#define dmaStreamSetPeripheral(dmastp, addr) { \ + (dmastp)->channel->CPAR = (uint32_t)(addr); \ +} + +/** + * @brief Associates a memory destination to a DMA stream. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] addr value to be written in the CMAR register + * + * @special + */ +#define dmaStreamSetMemory0(dmastp, addr) { \ + (dmastp)->channel->CMAR = (uint32_t)(addr); \ +} + +/** + * @brief Sets the number of transfers to be performed. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] size value to be written in the CNDTR register + * + * @special + */ +#define dmaStreamSetTransactionSize(dmastp, size) { \ + (dmastp)->channel->CNDTR = (uint32_t)(size); \ +} + +/** + * @brief Returns the number of transfers to be performed. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @return The number of transfers to be performed. + * + * @special + */ +#define dmaStreamGetTransactionSize(dmastp) ((size_t)((dmastp)->channel->CNDTR)) + +/** + * @brief Programs the stream mode settings. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] mode value to be written in the CCR register + * + * @special + */ +#define dmaStreamSetMode(dmastp, mode) { \ + (dmastp)->channel->CCR = (uint32_t)(mode); \ +} + +/** + * @brief DMA stream enable. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * + * @special + */ +#define dmaStreamEnable(dmastp) { \ + (dmastp)->channel->CCR |= STM32_DMA_CR_EN; \ +} + +/** + * @brief DMA stream disable. + * @details The function disables the specified stream and then clears any + * pending interrupt. + * @note This function can be invoked in both ISR or thread context. + * @note Interrupts enabling flags are set to zero after this call, see + * bug 3607518. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * + * @special + */ +#define dmaStreamDisable(dmastp) { \ + (dmastp)->channel->CCR &= ~(STM32_DMA_CR_TCIE | STM32_DMA_CR_HTIE | \ + STM32_DMA_CR_TEIE | STM32_DMA_CR_EN); \ + dmaStreamClearInterrupt(dmastp); \ +} + +/** + * @brief DMA stream interrupt sources clear. + * @note This function can be invoked in both ISR or thread context. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * + * @special + */ +#define dmaStreamClearInterrupt(dmastp) { \ + *(dmastp)->ifcr = STM32_DMA_ISR_MASK << (dmastp)->ishift; \ +} + +/** + * @brief Starts a memory to memory operation using the specified stream. + * @note The default transfer data mode is "byte to byte" but it can be + * changed by specifying extra options in the @p mode parameter. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + * @param[in] mode value to be written in the CCR register, this value + * is implicitly ORed with: + * - @p STM32_DMA_CR_MINC + * - @p STM32_DMA_CR_PINC + * - @p STM32_DMA_CR_DIR_M2M + * - @p STM32_DMA_CR_EN + * . + * @param[in] src source address + * @param[in] dst destination address + * @param[in] n number of data units to copy + */ +#define dmaStartMemCopy(dmastp, mode, src, dst, n) { \ + dmaStreamSetPeripheral(dmastp, src); \ + dmaStreamSetMemory0(dmastp, dst); \ + dmaStreamSetTransactionSize(dmastp, n); \ + dmaStreamSetMode(dmastp, (mode) | \ + STM32_DMA_CR_MINC | STM32_DMA_CR_PINC | \ + STM32_DMA_CR_DIR_M2M | STM32_DMA_CR_EN); \ +} + +/** + * @brief Polled wait for DMA transfer end. + * @pre The stream must have been allocated using @p dmaStreamAllocate(). + * @post After use the stream can be released using @p dmaStreamRelease(). + * + * @param[in] dmastp pointer to a stm32_dma_stream_t structure + */ +#define dmaWaitCompletion(dmastp) { \ + while ((dmastp)->channel->CNDTR > 0) \ + ; \ + dmaStreamDisable(dmastp); \ +} +/** @} */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#if !defined(__DOXYGEN__) +extern const stm32_dma_stream_t _stm32_dma_streams[STM32_DMA_STREAMS]; +#endif + +#ifdef __cplusplus +extern "C" { +#endif + void dmaInit(void); + bool_t dmaStreamAllocate(const stm32_dma_stream_t *dmastp, + uint32_t priority, + stm32_dmaisr_t func, + void *param); + void dmaStreamRelease(const stm32_dma_stream_t *dmastp); +#ifdef __cplusplus +} +#endif + +#endif /* _STM32_DMA_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32L1xx/stm32_isr.h b/os/hal/ports/STM32L1xx/stm32_isr.h new file mode 100644 index 000000000..d90d28c0b --- /dev/null +++ b/os/hal/ports/STM32L1xx/stm32_isr.h @@ -0,0 +1,92 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32L1xx/stm32_isr.h + * @brief ISR remapper driver header. + * + * @addtogroup STM32L1xx_ISR + * @{ + */ + +#ifndef _STM32_ISR_H_ +#define _STM32_ISR_H_ + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/** + * @name ISR names and numbers remapping + * @{ + */ +/* + * TIM units. + */ +#define STM32_TIM2_HANDLER TIM2_IRQHandler +#define STM32_TIM3_HANDLER TIM3_IRQHandler +#define STM32_TIM4_HANDLER TIM4_IRQHandler +#define STM32_TIM9_HANDLER TIM9_IRQHandler + +#define STM32_TIM2_NUMBER TIM2_IRQn +#define STM32_TIM3_NUMBER TIM3_IRQn +#define STM32_TIM4_NUMBER TIM4_IRQn +#define STM32_TIM9_NUMBER TIM9_IRQn + +/* + * USART units. + */ +#define STM32_USART1_HANDLER USART1_IRQHandler +#define STM32_USART2_HANDLER USART2_IRQHandler +#define STM32_USART3_HANDLER USART3_IRQHandler + +#define STM32_USART1_NUMBER USART1_IRQn +#define STM32_USART2_NUMBER USART2_IRQn +#define STM32_USART3_NUMBER USART3_IRQn + +/* + * USB units. + */ +#define STM32_USB1_HP_HANDLER Vector8C +#define STM32_USB1_LP_HANDLER Vector90 + +#define STM32_USB1_HP_NUMBER USB_HP_IRQn +#define STM32_USB1_LP_NUMBER USB_LP_IRQn +/** @} */ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#endif /* _STM32_ISR_H_ */ + +/** @} */ diff --git a/os/hal/ports/STM32L1xx/stm32_rcc.h b/os/hal/ports/STM32L1xx/stm32_rcc.h new file mode 100644 index 000000000..90cbd8fbe --- /dev/null +++ b/os/hal/ports/STM32L1xx/stm32_rcc.h @@ -0,0 +1,662 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +/** + * @file STM32L1xx/stm32_rcc.h + * @brief RCC helper driver header. + * @note This file requires definitions from the ST header file + * @p stm32l1xx.h. + * + * @addtogroup STM32L1xx_RCC + * @{ + */ + +#ifndef _STM32_RCC_ +#define _STM32_RCC_ + +/*===========================================================================*/ +/* Driver constants. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver pre-compile time settings. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Derived constants and error checks. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver data structures and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver macros. */ +/*===========================================================================*/ + +/** + * @name Generic RCC operations + * @{ + */ +/** + * @brief Enables the clock of one or more peripheral on the APB1 bus. + * + * @param[in] mask APB1 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAPB1(mask, lp) { \ + RCC->APB1ENR |= (mask); \ + if (lp) \ + RCC->APB1LPENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the APB1 bus. + * + * @param[in] mask APB1 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAPB1(mask, lp) { \ + RCC->APB1ENR &= ~(mask); \ + if (lp) \ + RCC->APB1LPENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the APB1 bus. + * + * @param[in] mask APB1 peripherals mask + * + * @api + */ +#define rccResetAPB1(mask) { \ + RCC->APB1RSTR |= (mask); \ + RCC->APB1RSTR = 0; \ +} + +/** + * @brief Enables the clock of one or more peripheral on the APB2 bus. + * + * @param[in] mask APB2 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAPB2(mask, lp) { \ + RCC->APB2ENR |= (mask); \ + if (lp) \ + RCC->APB2LPENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the APB2 bus. + * + * @param[in] mask APB2 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAPB2(mask, lp) { \ + RCC->APB2ENR &= ~(mask); \ + if (lp) \ + RCC->APB2LPENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the APB2 bus. + * + * @param[in] mask APB2 peripherals mask + * + * @api + */ +#define rccResetAPB2(mask) { \ + RCC->APB2RSTR |= (mask); \ + RCC->APB2RSTR = 0; \ +} + +/** + * @brief Enables the clock of one or more peripheral on the AHB bus. + * + * @param[in] mask AHB peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAHB(mask, lp) { \ + RCC->AHBENR |= (mask); \ + if (lp) \ + RCC->AHBLPENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the AHB bus. + * + * @param[in] mask AHB peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAHB(mask, lp) { \ + RCC->AHBENR &= ~(mask); \ + if (lp) \ + RCC->AHBLPENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the AHB bus. + * + * @param[in] mask AHB peripherals mask + * + * @api + */ +#define rccResetAHB(mask) { \ + RCC->AHBRSTR |= (mask); \ + RCC->AHBRSTR = 0; \ +} +/** @} */ + +/** + * @name ADC peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the ADC1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableADC1(lp) rccEnableAPB2(RCC_APB2ENR_ADC1EN, lp) + +/** + * @brief Disables the ADC1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableADC1(lp) rccDisableAPB2(RCC_APB2ENR_ADC1EN, lp) + +/** + * @brief Resets the ADC1 peripheral. + * + * @api + */ +#define rccResetADC1() rccResetAPB2(RCC_APB2RSTR_ADC1RST) +/** @} */ + +/** + * @name DMA peripheral specific RCC operations + * @{ + */ +/** + * @brief Enables the DMA1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableDMA1(lp) rccEnableAHB(RCC_AHBENR_DMA1EN, lp) + +/** + * @brief Disables the DMA1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableDMA1(lp) rccDisableAHB(RCC_AHBENR_DMA1EN, lp) + +/** + * @brief Resets the DMA1 peripheral. + * + * @api + */ +#define rccResetDMA1() rccResetAHB(RCC_AHBRSTR_DMA1RST) +/** @} */ + +/** + * @name PWR interface specific RCC operations + * @{ + */ +/** + * @brief Enables the PWR interface clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnablePWRInterface(lp) rccEnableAPB1(RCC_APB1ENR_PWREN, lp) + +/** + * @brief Disables PWR interface clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisablePWRInterface(lp) rccDisableAPB1(RCC_APB1ENR_PWREN, lp) + +/** + * @brief Resets the PWR interface. + * + * @api + */ +#define rccResetPWRInterface() rccResetAPB1(RCC_APB1RSTR_PWRRST) +/** @} */ + +/** + * @name I2C peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the I2C1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableI2C1(lp) rccEnableAPB1(RCC_APB1ENR_I2C1EN, lp) + +/** + * @brief Disables the I2C1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableI2C1(lp) rccDisableAPB1(RCC_APB1ENR_I2C1EN, lp) + +/** + * @brief Resets the I2C1 peripheral. + * + * @api + */ +#define rccResetI2C1() rccResetAPB1(RCC_APB1RSTR_I2C1RST) + +/** + * @brief Enables the I2C2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableI2C2(lp) rccEnableAPB1(RCC_APB1ENR_I2C2EN, lp) + +/** + * @brief Disables the I2C2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableI2C2(lp) rccDisableAPB1(RCC_APB1ENR_I2C2EN, lp) + +/** + * @brief Resets the I2C2 peripheral. + * + * @api + */ +#define rccResetI2C2() rccResetAPB1(RCC_APB1RSTR_I2C2RST) +/** @} */ + +/** + * @name SPI peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the SPI1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSPI1(lp) rccEnableAPB2(RCC_APB2ENR_SPI1EN, lp) + +/** + * @brief Disables the SPI1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableSPI1(lp) rccDisableAPB2(RCC_APB2ENR_SPI1EN, lp) + +/** + * @brief Resets the SPI1 peripheral. + * + * @api + */ +#define rccResetSPI1() rccResetAPB2(RCC_APB2RSTR_SPI1RST) + +/** + * @brief Enables the SPI2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSPI2(lp) rccEnableAPB1(RCC_APB1ENR_SPI2EN, lp) + +/** + * @brief Disables the SPI2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableSPI2(lp) rccDisableAPB1(RCC_APB1ENR_SPI2EN, lp) + +/** + * @brief Resets the SPI2 peripheral. + * + * @api + */ +#define rccResetSPI2() rccResetAPB1(RCC_APB1RSTR_SPI2RST) +/** @} */ + +/** + * @name TIM peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the TIM2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM2(lp) rccEnableAPB1(RCC_APB1ENR_TIM2EN, lp) + +/** + * @brief Disables the TIM2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM2(lp) rccDisableAPB1(RCC_APB1ENR_TIM2EN, lp) + +/** + * @brief Resets the TIM2 peripheral. + * + * @api + */ +#define rccResetTIM2() rccResetAPB1(RCC_APB1RSTR_TIM2RST) + +/** + * @brief Enables the TIM3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM3(lp) rccEnableAPB1(RCC_APB1ENR_TIM3EN, lp) + +/** + * @brief Disables the TIM3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM3(lp) rccDisableAPB1(RCC_APB1ENR_TIM3EN, lp) + +/** + * @brief Resets the TIM3 peripheral. + * + * @api + */ +#define rccResetTIM3() rccResetAPB1(RCC_APB1RSTR_TIM3RST) + +/** + * @brief Enables the TIM4 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM4(lp) rccEnableAPB1(RCC_APB1ENR_TIM4EN, lp) + +/** + * @brief Disables the TIM4 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM4(lp) rccDisableAPB1(RCC_APB1ENR_TIM4EN, lp) + +/** + * @brief Resets the TIM4 peripheral. + * + * @api + */ +#define rccResetTIM4() rccResetAPB1(RCC_APB1RSTR_TIM4RST) + +/** + * @brief Enables the TIM9 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM9(lp) rccEnableAPB2(RCC_APB2ENR_TIM9EN, lp) + +/** + * @brief Disables the TIM9 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM9(lp) rccDisableAPB2(RCC_APB2ENR_TIM9EN, lp) + +/** + * @brief Resets the TIM9 peripheral. + * + * @api + */ +#define rccResetTIM9() rccResetAPB2(RCC_APB2RSTR_TIM9RST) + +/** + * @brief Enables the TIM10 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM10(lp) rccEnableAPB2(RCC_APB2ENR_TIM10EN, lp) + +/** + * @brief Disables the TIM10 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM10(lp) rccDisableAPB2(RCC_APB2ENR_TIM10EN, lp) + +/** + * @brief Resets the TIM10 peripheral. + * + * @api + */ +#define rccResetTIM10() rccResetAPB2(RCC_APB2RSTR_TIM10RST) + +/** + * @brief Enables the TIM10 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM11(lp) rccEnableAPB2(RCC_APB2ENR_TIM11EN, lp) + +/** + * @brief Disables the TIM11 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM11(lp) rccDisableAPB2(RCC_APB2ENR_TIM11EN, lp) + +/** + * @brief Resets the TIM11 peripheral. + * + * @api + */ +#define rccResetTIM11() rccResetAPB2(RCC_APB2RSTR_TIM11RST) + +/** @} */ + +/** + * @name USART/UART peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the USART1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSART1(lp) rccEnableAPB2(RCC_APB2ENR_USART1EN, lp) + +/** + * @brief Disables the USART1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSART1(lp) rccDisableAPB2(RCC_APB2ENR_USART1EN, lp) + +/** + * @brief Resets the USART1 peripheral. + * + * @api + */ +#define rccResetUSART1() rccResetAPB2(RCC_APB2RSTR_USART1RST) + +/** + * @brief Enables the USART2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSART2(lp) rccEnableAPB1(RCC_APB1ENR_USART2EN, lp) + +/** + * @brief Disables the USART2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSART2(lp) rccDisableAPB1(RCC_APB1ENR_USART2EN, lp) + +/** + * @brief Resets the USART2 peripheral. + * + * @api + */ +#define rccResetUSART2() rccResetAPB1(RCC_APB1RSTR_USART2RST) + +/** + * @brief Enables the USART3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSART3(lp) rccEnableAPB1(RCC_APB1ENR_USART3EN, lp) + +/** + * @brief Disables the USART3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSART3(lp) rccDisableAPB1(RCC_APB1ENR_USART3EN, lp) + +/** + * @brief Resets the USART3 peripheral. + * + * @api + */ +#define rccResetUSART3() rccResetAPB1(RCC_APB1RSTR_USART3RST) +/** @} */ + +/** + * @name USB peripheral specific RCC operations + * @{ + */ +/** + * @brief Enables the USB peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSB(lp) rccEnableAPB1(RCC_APB1ENR_USBEN, lp) + +/** + * @brief Disables the USB peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSB(lp) rccDisableAPB1(RCC_APB1ENR_USBEN, lp) + +/** + * @brief Resets the USB peripheral. + * + * @api + */ +#define rccResetUSB() rccResetAPB1(RCC_APB1RSTR_USBRST) +/** @} */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif +#ifdef __cplusplus +} +#endif + +#endif /* _STM32_RCC_ */ + +/** @} */ diff --git a/os/nil/ports/ARMCMx/compilers/GCC/mk/port_stm32f37x.mk b/os/nil/ports/ARMCMx/compilers/GCC/mk/port_stm32f37x.mk new file mode 100644 index 000000000..710062615 --- /dev/null +++ b/os/nil/ports/ARMCMx/compilers/GCC/mk/port_stm32f37x.mk @@ -0,0 +1,15 @@ +# List of the ChibiOS/NIL Cortex-M4 STM32F37x port files. +PORTSRC = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/crt0.c \ + $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/vectors.c \ + ${CHIBIOS}/os/nil/ports/ARMCMx/nilcore.c \ + ${CHIBIOS}/os/nil/ports/ARMCMx/nilcore_v7m.c + +PORTASM = $(CHIBIOS)/os/nil/ports/ARMCMx/compilers/GCC/nilcoreasm_v7m.s + +PORTINC = ${CHIBIOS}/os/ext/CMSIS/include \ + ${CHIBIOS}/os/ext/CMSIS/ST \ + ${CHIBIOS}/os/common/ports/ARMCMx/devices/STM32F37x \ + ${CHIBIOS}/os/nil/ports/ARMCMx \ + ${CHIBIOS}/os/nil/ports/ARMCMx/compilers/GCC + +PORTLD = ${CHIBIOS}/os/common/ports/ARMCMx/compilers/GCC/ld diff --git a/os/nil/ports/ARMCMx/compilers/GCC/mk/port_stm32f4xx.mk b/os/nil/ports/ARMCMx/compilers/GCC/mk/port_stm32f4xx.mk new file mode 100644 index 000000000..6dacde089 --- /dev/null +++ b/os/nil/ports/ARMCMx/compilers/GCC/mk/port_stm32f4xx.mk @@ -0,0 +1,15 @@ +# List of the ChibiOS/NIL Cortex-M0 STM32F4xx port files. +PORTSRC = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/crt0.c \ + $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/vectors.c \ + ${CHIBIOS}/os/nil/ports/ARMCMx/nilcore.c \ + ${CHIBIOS}/os/nil/ports/ARMCMx/nilcore_v6m.c + +PORTASM = $(CHIBIOS)/os/nil/ports/ARMCMx/compilers/GCC/nilcoreasm_v6m.s + +PORTINC = ${CHIBIOS}/os/ext/CMSIS/include \ + ${CHIBIOS}/os/ext/CMSIS/ST \ + ${CHIBIOS}/os/common/ports/ARMCMx/devices/STM32F4xx \ + ${CHIBIOS}/os/nil/ports/ARMCMx \ + ${CHIBIOS}/os/nil/ports/ARMCMx/compilers/GCC + +PORTLD = ${CHIBIOS}/os/common/ports/ARMCMx/compilers/GCC/ld diff --git a/os/rt/ports/ARMCMx/compilers/GCC/mk/port_stm32f37x.mk b/os/rt/ports/ARMCMx/compilers/GCC/mk/port_stm32f37x.mk new file mode 100644 index 000000000..4b38231bb --- /dev/null +++ b/os/rt/ports/ARMCMx/compilers/GCC/mk/port_stm32f37x.mk @@ -0,0 +1,15 @@ +# List of the ChibiOS/RT Cortex-M4 STM32F37x port files. +PORTSRC = $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/crt0.c \ + $(CHIBIOS)/os/common/ports/ARMCMx/compilers/GCC/vectors.c \ + ${CHIBIOS}/os/rt/ports/ARMCMx/chcore.c \ + ${CHIBIOS}/os/rt/ports/ARMCMx/chcore_v7m.c + +PORTASM = $(CHIBIOS)/os/rt/ports/ARMCMx/compilers/GCC/chcoreasm_v7m.s + +PORTINC = ${CHIBIOS}/os/ext/CMSIS/include \ + ${CHIBIOS}/os/ext/CMSIS/ST \ + ${CHIBIOS}/os/common/ports/ARMCMx/devices/STM32F37x \ + ${CHIBIOS}/os/rt/ports/ARMCMx \ + ${CHIBIOS}/os/rt/ports/ARMCMx/compilers/GCC + +PORTLD = ${CHIBIOS}/os/common/ports/ARMCMx/compilers/GCC/ld