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tinySA/os/hal/platforms/STM32F37x/adc_lld.h

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git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5445 35acf78f-673a-0410-8e92-d51de3d6d3f4
2013-03-17 07:37:18 +00:00
/*
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 <http://www.gnu.org/licenses/>.
*/
/**
* @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 Channels
* The SDADC channels are defined as follow:
* - in 16-bit LSB the channel mask is set
* - in 16-bit MSB the channel number is set
* e.g. for channel 5 definition:
* - the channel mask is 0x00000020 (bit 5 is set)
* - the channel number 5 is 0x00050000
* --> Consequently, channel 5 definition is 0x00000020 | 0x00050000 = 0x00050020
* @{*/
#define SDADC_Channel_0 ((uint32_t)0x00000001)
#define SDADC_Channel_1 ((uint32_t)0x00010002)
#define SDADC_Channel_2 ((uint32_t)0x00020004)
#define SDADC_Channel_3 ((uint32_t)0x00030008)
#define SDADC_Channel_4 ((uint32_t)0x00040010)
#define SDADC_Channel_5 ((uint32_t)0x00050020)
#define SDADC_Channel_6 ((uint32_t)0x00060040)
#define SDADC_Channel_7 ((uint32_t)0x00070080)
#define SDADC_Channel_8 ((uint32_t)0x00080100)
/* Just one channel of the 9 channels can be selected for regular conversion */
#define IS_SDADC_REGULAR_CHANNEL(CHANNEL) (((CHANNEL) == SDADC_Channel_0) || \
((CHANNEL) == SDADC_Channel_1) || \
((CHANNEL) == SDADC_Channel_2) || \
((CHANNEL) == SDADC_Channel_3) || \
((CHANNEL) == SDADC_Channel_4) || \
((CHANNEL) == SDADC_Channel_5) || \
((CHANNEL) == SDADC_Channel_6) || \
((CHANNEL) == SDADC_Channel_7) || \
((CHANNEL) == SDADC_Channel_8))
/* Any or all of the 9 channels can be selected for injected conversion */
#define IS_SDADC_INJECTED_CHANNEL(CHANNEL) (((CHANNEL) != 0) && ((CHANNEL) <= 0x000F01FF))
/** @} */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/**
* @name Configuration options
* @{
*/
/**
* @brief ADC common clock divider.
* @note This setting is influenced by the VDDA voltage and other
* external conditions, please refer to the datasheet for more
* info.<br>
* See section 5.3.20 "12-bit ADC characteristics".
*/
#if !defined(STM32_ADC_ADCPRE) || defined(__DOXYGEN__)
#define STM32_ADC_ADCPRE ADC_CCR_ADCPRE_DIV2
#endif
/**
* @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
#if !defined(STM32_ADC_USE_SDADC1) || defined(__DOXYGEN__)
#define STM32_ADC_USE_SDADC1 FALSE
#endif
#if !defined(STM32_ADC_USE_SDADC2) || defined(__DOXYGEN__)
#define STM32_ADC_USE_SDADC2 FALSE
#endif
#if !defined(STM32_ADC_USE_SDADC3) || defined(__DOXYGEN__)
#define STM32_ADC_USE_SDADC3 FALSE
#endif
/**
* @brief DMA stream used for ADC1 operations.
*/
#if !defined(STM32_ADC_ADC1_DMA_STREAM) || defined(__DOXYGEN__)
#define STM32_ADC_ADC1_DMA_STREAM STM32_DMA_STREAM_ID(1, 1)
#endif
/**
* @brief DMA stream used for SDADC1 operations.
*/
#if !defined(STM32_ADC_SDADC1_DMA_STREAM) || defined(__DOXYGEN__)
#define STM32_ADC_SDADC1_DMA_STREAM STM32_DMA_STREAM_ID(2, 3)
#endif
/**
* @brief DMA stream used for SDADC2 operations.
*/
#if !defined(STM32_ADC_SDADC2_DMA_STREAM) || defined(__DOXYGEN__)
#define STM32_ADC_SDADC2_DMA_STREAM STM32_DMA_STREAM_ID(2, 4)
#endif
/**
* @brief DMA stream used for SDADC3 operations.
*/
#if !defined(STM32_ADC_SDADC3_DMA_STREAM) || defined(__DOXYGEN__)
#define STM32_ADC_SDADC3_DMA_STREAM STM32_DMA_STREAM_ID(2, 5)
#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_IRQ_PRIORITY) || defined(__DOXYGEN__)
#define STM32_ADC_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
/** @} */
/*===========================================================================*/
/* 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_ADC2 && !STM32_HAS_ADC2
#error "ADC2 not present in the selected device"
#endif
#if STM32_ADC_USE_ADC3 && !STM32_HAS_ADC3
#error "ADC3 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_ADC1 && !STM32_ADC_USE_ADC2 && !STM32_ADC_USE_ADC3
#error "ADC driver activated but no ADC peripheral assigned"
#endif
#if STM32_ADC_USE_ADC1 && \
!STM32_DMA_IS_VALID_ID(STM32_ADC_ADC1_DMA_STREAM, STM32_ADC1_DMA_MSK)
#error "invalid DMA stream associated to ADC1"
#endif
#if STM32_ADC_USE_ADC2 && \
!STM32_DMA_IS_VALID_ID(STM32_ADC_ADC2_DMA_STREAM, STM32_ADC2_DMA_MSK)
#error "invalid DMA stream associated to ADC2"
#endif
#if STM32_ADC_USE_ADC3 && \
!STM32_DMA_IS_VALID_ID(STM32_ADC_ADC3_DMA_STREAM, STM32_ADC3_DMA_MSK)
#error "invalid DMA stream associated to ADC3"
#endif
#if STM32_ADC_USE_SDADC1 && \
!STM32_DMA_IS_VALID_ID(STM32_ADC_SDADC1_DMA_STREAM, STM32_SDADC1_DMA_MSK)
#error "invalid DMA stream associated to SDADC1"
#endif
#if STM32_ADC_USE_SDADC2 && \
!STM32_DMA_IS_VALID_ID(STM32_ADC_SDADC2_DMA_STREAM, STM32_SDADC2_DMA_MSK)
#error "invalid DMA stream associated to SDADC2"
#endif
#if STM32_ADC_USE_SDADC3 && \
!STM32_DMA_IS_VALID_ID(STM32_ADC_SDADC3_DMA_STREAM, STM32_SDADC3_DMA_MSK)
#error "invalid DMA stream associated 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. */
} 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 {
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 SMPR1 register initialization data.
* @details In this field must be specified the sample times for channels
* 10...18.
*/
uint32_t smpr1;
/**
* @brief ADC SMPR2 register initialization data.
* @details In this field must be specified the sample times for channels
* 0...9.
*/
uint32_t smpr2;
/**
* @brief ADC SQR1 register initialization data.
* @details Conversion group sequence 13...16 + sequence length.
*/
uint32_t sqr1;
/**
* @brief ADC SQR2 register initialization data.
* @details Conversion group sequence 7...12.
*/
uint32_t sqr2;
/**
* @brief ADC SQR3 register initialization data.
* @details Conversion group sequence 1...6.
*/
uint32_t sqr3;
} adc;
struct {
/**
* @brief SDADC CR1 register initialization data.
* @note All the required bits must be defined into this field
*/
uint32_t cr1;
/**
* @brief SDADC 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 SDADC JCHGR register initialization data.
* @details Bitfield indicating whether channel i is part of the injected group.
* 0 <= i <= 8. Highest channel, (8), is converted first
*/
uint32_t jchgr;
/**
* @brief SDADC CONF0R register initialization data.
* @details In this field are the parameters for configuration 0
*/
uint32_t conf0r;
/**
* @brief SDADC CONF1R register initialization data.
* @details In this field are the parameters for configuration 1
*/
uint32_t conf1r;
/**
* @brief SDADC CONF2R register initialization data.
* @details In this field are the parameters for configuration 2
*/
uint32_t conf2r;
/**
* @brief SDADC CONFCH1R register initialization data.
* @details In this field channels 0-7 are assigned to a configuration.
*/
uint32_t confchr1;
/**
* @brief SDADC CONFCH2R register initialization data.
* @details In this field channel 8 is assigned to a configuration.
* @details In this field are the parameters for configuration 2
*/
uint32_t confchr2;
} sdadc;
} ll; /* union */
} 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 the SDADCx registers block.
*/
SDADC_TypeDef *sdadc;
/**
* @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_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. */
#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_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.*/
/** @} */
/**
* @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 Channel config settings helper macros
* @{
*/
#define sdadcSTM32Channel1TO7Config(SDADC_Channel, SDADC_Conf) ((uint32_t) (SDADC_Conf << (( SDADC_Channel >> 16) << 2)))
#define sdadcSTM32Channel8Config(SDADC_Channel, SDADC_Conf) ((uint32_t) SDADC_CONF)
#define sdadcSTM32ChannelSelect(SDADC_Channel) ((uint32_t) (SDADC_Channel & 0xffff0000))
/** @} */
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#if STM32_ADC_USE_ADC1 && !defined(__DOXYGEN__)
extern ADCDriver ADCD1;
#endif
#if STM32_ADC_USE_ADC2 && !defined(__DOXYGEN__)
extern ADCDriver ADCD2;
#endif
#if STM32_ADC_USE_ADC3 && !defined(__DOXYGEN__)
extern ADCDriver ADCD3;
#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 adcSTM32EnableTSVREFE(void);
void adcSTM32DisableTSVREFE(void);
void adcSTM32EnableVBATE(void);
void adcSTM32DisableVBATE(void);
void sdadcSTM32SetInitializationMode(ADCDriver* adcdp, bool_t enterInitMode);
void sdadcSTM32VREFSelect(SDADC_VREF_SEL svs);
void sdadcSTM32Calibrate(ADCDriver* adcdp, SDADC_NUM_CALIB_SEQ numCalibSequences,
ADCConversionGroup* grpp);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_ADC */
#endif /* _ADC_LLD_H_ */
/** @} */