From d5fa815855e904a5928441a45a37b798a0d618e9 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sat, 5 Nov 2011 10:58:13 +0000 Subject: [PATCH] git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3469 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/STM32F1xx/stm32_rcc.h | 2 +- os/hal/platforms/STM32F4xx/hal_lld.c | 13 +- os/hal/platforms/STM32F4xx/stm32_rcc.h | 887 +++++++++++++++++++++++++ os/hal/platforms/STM32L1xx/stm32_rcc.h | 2 +- 4 files changed, 895 insertions(+), 9 deletions(-) create mode 100644 os/hal/platforms/STM32F4xx/stm32_rcc.h diff --git a/os/hal/platforms/STM32F1xx/stm32_rcc.h b/os/hal/platforms/STM32F1xx/stm32_rcc.h index 2a5daaadd..aa55d4fca 100644 --- a/os/hal/platforms/STM32F1xx/stm32_rcc.h +++ b/os/hal/platforms/STM32F1xx/stm32_rcc.h @@ -373,7 +373,7 @@ /** @} */ /** - * @brief I2c peripherals specific RCC operations + * @brief I2C peripherals specific RCC operations * @{ */ /** diff --git a/os/hal/platforms/STM32F4xx/hal_lld.c b/os/hal/platforms/STM32F4xx/hal_lld.c index 74afa4bdb..ae399242b 100644 --- a/os/hal/platforms/STM32F4xx/hal_lld.c +++ b/os/hal/platforms/STM32F4xx/hal_lld.c @@ -58,11 +58,12 @@ */ void hal_lld_init(void) { - /* Reset of all peripherals.*/ -// RCC->APB1RSTR = 0xFFFFFFFF; -// RCC->APB2RSTR = 0xFFFFFFFF; -// RCC->APB1RSTR = 0; -// RCC->APB2RSTR = 0; + /* Reset of all peripherals. AHB3 is not reseted because it could have + been initialized in the board initialization file (board.c).*/ + rccResetAHB1(!0); + rccResetAHB2(!0); + rccResetAPB1(!RCC_APB1RSTR_PWRRST); + rccResetAPB2(!RCC_APB2RSTR_SYSCFGRST); /* SysTick initialization using the system clock.*/ SysTick->LOAD = STM32_HCLK / CH_FREQUENCY - 1; @@ -71,8 +72,6 @@ void hal_lld_init(void) { SysTick_CTRL_ENABLE_Msk | SysTick_CTRL_TICKINT_Msk; - - #if defined(STM32_DMA_REQUIRED) dmaInit(); #endif diff --git a/os/hal/platforms/STM32F4xx/stm32_rcc.h b/os/hal/platforms/STM32F4xx/stm32_rcc.h new file mode 100644 index 000000000..3a10e57b2 --- /dev/null +++ b/os/hal/platforms/STM32F4xx/stm32_rcc.h @@ -0,0 +1,887 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011 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 STM32F4xx/stm32_rcc.h + * @brief RCC helper driver header. + * @note This file requires definitions from the ST header file + * @p stm32f4xx.h. + * + * @addtogroup STM32F4xx_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 AHB1 bus. + * + * @param[in] mask AHB1 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAHB1(mask, lp) { \ + RCC->AHB1ENR |= (mask); \ + if (lp) \ + RCC->AHB1LPENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the AHB1 bus. + * + * @param[in] mask AHB1 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAHB1(mask, lp) { \ + RCC->AHB1ENR &= ~(mask); \ + if (lp) \ + RCC->AHB1LPENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the AHB1 bus. + * + * @param[in] mask AHB1 peripherals mask + * + * @api + */ +#define rccResetAHB1(mask) { \ + RCC->AHB1RSTR |= (mask); \ + RCC->AHB1RSTR = 0; \ +} + +/** + * @brief Enables the clock of one or more peripheral on the AHB2 bus. + * + * @param[in] mask AHB2 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAHB2(mask, lp) { \ + RCC->AHB2ENR |= (mask); \ + if (lp) \ + RCC->AHB2LPENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the AHB2 bus. + * + * @param[in] mask AHB2 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAHB2(mask, lp) { \ + RCC->AHB2ENR &= ~(mask); \ + if (lp) \ + RCC->AHB2LPENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the AHB2 bus. + * + * @param[in] mask AHB2 peripherals mask + * + * @api + */ +#define rccResetAHB2(mask) { \ + RCC->AHB2RSTR |= (mask); \ + RCC->AHB2RSTR = 0; \ +} + +/** + * @brief Enables the clock of one or more peripheral on the AHB3 (FSMC) bus. + * + * @param[in] mask AHB3 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableAHB3(mask, lp) { \ + RCC->AHB3ENR |= (mask); \ + if (lp) \ + RCC->AHB3LPENR |= (mask); \ +} + +/** + * @brief Disables the clock of one or more peripheral on the AHB3 (FSMC) bus. + * + * @param[in] mask AHB3 peripherals mask + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableAHB3(mask, lp) { \ + RCC->AHB3ENR &= ~(mask); \ + if (lp) \ + RCC->AHB3LPENR &= ~(mask); \ +} + +/** + * @brief Resets one or more peripheral on the AHB3 (FSMC) bus. + * + * @param[in] mask AHB3 peripherals mask + * + * @api + */ +#define rccResetAHB3(mask) { \ + RCC->AHB3RSTR |= (mask); \ + RCC->AHB3RSTR = 0; \ +} +/** @} */ + +/** + * @brief 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) + +/** + * @brief Enables the ADC2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableADC2(lp) rccEnableAPB2(RCC_APB2ENR_ADC2EN, lp) + +/** + * @brief Disables the ADC2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableADC2(lp) rccDisableAPB2(RCC_APB2ENR_ADC2EN, lp) + +/** + * @brief Resets the ADC2 peripheral. + * + * @api + */ +#define rccResetADC2() rccResetAPB2(RCC_APB2RSTR_ADC2RST) + +/** + * @brief Enables the ADC3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableADC3(lp) rccEnableAPB2(RCC_APB2ENR_ADC3EN, lp) + +/** + * @brief Disables the ADC3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableADC3(lp) rccDisableAPB2(RCC_APB2ENR_ADC3EN, lp) + +/** + * @brief Resets the ADC3 peripheral. + * + * @api + */ +#define rccResetADC3() rccResetAPB2(RCC_APB2RSTR_ADC3RST) +/** @} */ + +/** + * @brief DMA peripheral specific RCC operations + * @{ + */ +/** + * @brief Enables the DMA1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableDMA1(lp) rccEnableAHB(RCC_AHB1ENR_DMA1EN, lp) + +/** + * @brief Disables the DMA1 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableDMA1(lp) rccDisableAHB(RCC_AHB1ENR_DMA1EN, lp) + +/** + * @brief Resets the DMA1 peripheral. + * + * @api + */ +#define rccResetDMA1() rccResetAHB(RCC_AHB1RSTR_DMA1RST) + +/** + * @brief Enables the DMA2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableDMA2(lp) rccEnableAHB(RCC_AHB1ENR_DMA2EN, lp) + +/** + * @brief Disables the DMA2 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableDMA2(lp) rccDisableAHB(RCC_AHB1ENR_DMA2EN, lp) + +/** + * @brief Resets the DMA2 peripheral. + * + * @api + */ +#define rccResetDMA2() rccResetAHB(RCC_AHB1RSTR_DMA2RST) +/** @} */ + +/** + * @brief 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) + +/** + * @brief Enables the I2C3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableI2C3(lp) rccEnableAPB1(RCC_APB1ENR_I2C3EN, lp) + +/** + * @brief Disables the I2C3 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableI2C3(lp) rccDisableAPB1(RCC_APB1ENR_I2C3EN, lp) + +/** + * @brief Resets the I2C3 peripheral. + * + * @api + */ +#define rccResetI2C3() rccResetAPB1(RCC_APB1RSTR_I2C3RST) +/** @} */ + +/** + * @brief 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. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableSPI3(lp) rccEnableAPB1(RCC_APB1ENR_SPI3EN, lp) + +/** + * @brief Disables the SPI3 peripheral clock. + * + * @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) +/** @} */ + +/** + * @brief TIM peripherals specific RCC operations + * @{ + */ +/** + * @brief Enables the TIM1 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM1(lp) rccEnableAPB2(RCC_APB2ENR_TIM1EN, lp) + +/** + * @brief Disables the TIM1 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM1(lp) rccDisableAPB2(RCC_APB2ENR_TIM1EN, lp) + +/** + * @brief Resets the TIM1 peripheral. + * + * @api + */ +#define rccResetTIM1() rccResetAPB2(RCC_APB2RSTR_TIM1RST) + +/** + * @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. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM5(lp) rccEnableAPB1(RCC_APB1ENR_TIM5EN, lp) + +/** + * @brief Disables the TIM5 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @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 TIM8 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableTIM8(lp) rccEnableAPB2(RCC_APB2ENR_TIM8EN, lp) + +/** + * @brief Disables the TIM8 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableTIM8(lp) rccDisableAPB2(RCC_APB2ENR_TIM8EN, lp) + +/** + * @brief Resets the TIM8 peripheral. + * + * @api + */ +#define rccResetTIM8() rccResetAPB2(RCC_APB2RSTR_TIM8RST) +/** @} */ + +/** + * @brief 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) + +/** + * @brief Enables the USART6 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUSART6(lp) rccEnableAPB2(RCC_APB2ENR_USART6EN, lp) + +/** + * @brief Disables the USART6 peripheral clock. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUSART6(lp) rccDisableAPB2(RCC_APB2ENR_USART6EN, lp) + +/** + * @brief Enables the UART4 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUART4(lp) rccEnableAPB1(RCC_APB1ENR_UART4EN, lp) + +/** + * @brief Disables the UART4 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUART4(lp) rccDisableAPB1(RCC_APB1ENR_UART4EN, lp) + +/** + * @brief Resets the UART4 peripheral. + * + * @api + */ +#define rccResetUART4() rccResetAPB1(RCC_APB1RSTR_UART4RST) + +/** + * @brief Enables the UART5 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccEnableUART5(lp) rccEnableAPB1(RCC_APB1ENR_UART5EN, lp) + +/** + * @brief Disables the UART5 peripheral clock. + * @note The @p lp parameter is ignored in this family. + * + * @param[in] lp low power enable flag + * + * @api + */ +#define rccDisableUART5(lp) rccDisableAPB1(RCC_APB1ENR_UART5EN, lp) + +/** + * @brief Resets the UART5 peripheral. + * + * @api + */ +#define rccResetUART5() rccResetAPB1(RCC_APB1RSTR_UART5RST) + +/** + * @brief Resets the USART6 peripheral. + * + * @api + */ +#define rccResetUSART6() rccResetAPB2(RCC_APB2RSTR_USART6RST) +/** @} */ + +/*===========================================================================*/ +/* External declarations. */ +/*===========================================================================*/ + +#ifdef __cplusplus +extern "C" { +#endif +#ifdef __cplusplus +} +#endif + +#endif /* _STM32_RCC_ */ + +/** @} */ diff --git a/os/hal/platforms/STM32L1xx/stm32_rcc.h b/os/hal/platforms/STM32L1xx/stm32_rcc.h index e2460a41f..9ffcc07b4 100644 --- a/os/hal/platforms/STM32L1xx/stm32_rcc.h +++ b/os/hal/platforms/STM32L1xx/stm32_rcc.h @@ -237,7 +237,7 @@ /** @} */ /** - * @brief I2c peripherals specific RCC operations + * @brief I2C peripherals specific RCC operations * @{ */ /**