| /** |
| ****************************************************************************** |
| * @file stm32l4xx_ll_adc.c |
| * @author MCD Application Team |
| * @brief ADC LL module driver |
| ****************************************************************************** |
| * @attention |
| * |
| * Copyright (c) 2017 STMicroelectronics. |
| * All rights reserved. |
| * |
| * This software is licensed under terms that can be found in the LICENSE file |
| * in the root directory of this software component. |
| * If no LICENSE file comes with this software, it is provided AS-IS. |
| * |
| ****************************************************************************** |
| */ |
| #if defined(USE_FULL_LL_DRIVER) |
| |
| /* Includes ------------------------------------------------------------------*/ |
| #include "stm32l4xx_ll_adc.h" |
| #include "stm32l4xx_ll_bus.h" |
| |
| #ifdef USE_FULL_ASSERT |
| #include "stm32_assert.h" |
| #else |
| #define assert_param(expr) ((void)0U) |
| #endif |
| |
| /** @addtogroup STM32L4xx_LL_Driver |
| * @{ |
| */ |
| |
| #if defined (ADC1) || defined (ADC2) || defined (ADC3) |
| |
| /** @addtogroup ADC_LL ADC |
| * @{ |
| */ |
| |
| /* Private types -------------------------------------------------------------*/ |
| /* Private variables ---------------------------------------------------------*/ |
| /* Private constants ---------------------------------------------------------*/ |
| /** @addtogroup ADC_LL_Private_Constants |
| * @{ |
| */ |
| |
| /* Definitions of ADC hardware constraints delays */ |
| /* Note: Only ADC peripheral HW delays are defined in ADC LL driver driver, */ |
| /* not timeout values: */ |
| /* Timeout values for ADC operations are dependent to device clock */ |
| /* configuration (system clock versus ADC clock), */ |
| /* and therefore must be defined in user application. */ |
| /* Refer to @ref ADC_LL_EC_HW_DELAYS for description of ADC timeout */ |
| /* values definition. */ |
| /* Note: ADC timeout values are defined here in CPU cycles to be independent */ |
| /* of device clock setting. */ |
| /* In user application, ADC timeout values should be defined with */ |
| /* temporal values, in function of device clock settings. */ |
| /* Highest ratio CPU clock frequency vs ADC clock frequency: */ |
| /* - ADC clock from synchronous clock with AHB prescaler 512, */ |
| /* APB prescaler 16, ADC prescaler 4. */ |
| /* - ADC clock from asynchronous clock (PLLSAI) with prescaler 1, */ |
| /* with highest ratio CPU clock frequency vs HSI clock frequency: */ |
| /* CPU clock frequency max 72MHz, PLLSAI freq min 26MHz: ratio 4. */ |
| /* Unit: CPU cycles. */ |
| #define ADC_CLOCK_RATIO_VS_CPU_HIGHEST (512UL * 16UL * 4UL) |
| #define ADC_TIMEOUT_DISABLE_CPU_CYCLES (ADC_CLOCK_RATIO_VS_CPU_HIGHEST * 1UL) |
| #define ADC_TIMEOUT_STOP_CONVERSION_CPU_CYCLES (ADC_CLOCK_RATIO_VS_CPU_HIGHEST * 1UL) |
| |
| /** |
| * @} |
| */ |
| |
| /* Private macros ------------------------------------------------------------*/ |
| |
| /** @addtogroup ADC_LL_Private_Macros |
| * @{ |
| */ |
| |
| /* Check of parameters for configuration of ADC hierarchical scope: */ |
| /* common to several ADC instances. */ |
| #define IS_LL_ADC_COMMON_CLOCK(__CLOCK__) \ |
| (((__CLOCK__) == LL_ADC_CLOCK_SYNC_PCLK_DIV1) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_SYNC_PCLK_DIV2) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_SYNC_PCLK_DIV4) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV1) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV2) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV4) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV6) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV8) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV10) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV12) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV16) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV32) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV64) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV128) \ |
| || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV256) \ |
| ) |
| |
| /* Check of parameters for configuration of ADC hierarchical scope: */ |
| /* ADC instance. */ |
| #define IS_LL_ADC_RESOLUTION(__RESOLUTION__) \ |
| (((__RESOLUTION__) == LL_ADC_RESOLUTION_12B) \ |
| || ((__RESOLUTION__) == LL_ADC_RESOLUTION_10B) \ |
| || ((__RESOLUTION__) == LL_ADC_RESOLUTION_8B) \ |
| || ((__RESOLUTION__) == LL_ADC_RESOLUTION_6B) \ |
| ) |
| |
| #define IS_LL_ADC_DATA_ALIGN(__DATA_ALIGN__) \ |
| (((__DATA_ALIGN__) == LL_ADC_DATA_ALIGN_RIGHT) \ |
| || ((__DATA_ALIGN__) == LL_ADC_DATA_ALIGN_LEFT) \ |
| ) |
| |
| #define IS_LL_ADC_LOW_POWER(__LOW_POWER__) \ |
| (((__LOW_POWER__) == LL_ADC_LP_MODE_NONE) \ |
| || ((__LOW_POWER__) == LL_ADC_LP_AUTOWAIT) \ |
| ) |
| |
| /* Check of parameters for configuration of ADC hierarchical scope: */ |
| /* ADC group regular */ |
| #define IS_LL_ADC_REG_TRIG_SOURCE(__REG_TRIG_SOURCE__) \ |
| (((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_SOFTWARE) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM1_TRGO) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM1_TRGO2) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM1_CH1) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM1_CH2) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM1_CH3) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM2_TRGO) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM2_CH2) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM3_TRGO) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM3_CH4) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM4_TRGO) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM4_CH4) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM6_TRGO) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM8_TRGO) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM8_TRGO2) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM15_TRGO) \ |
| || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_EXTI_LINE11) \ |
| ) |
| |
| #define IS_LL_ADC_REG_CONTINUOUS_MODE(__REG_CONTINUOUS_MODE__) \ |
| (((__REG_CONTINUOUS_MODE__) == LL_ADC_REG_CONV_SINGLE) \ |
| || ((__REG_CONTINUOUS_MODE__) == LL_ADC_REG_CONV_CONTINUOUS) \ |
| ) |
| |
| #define IS_LL_ADC_REG_DMA_TRANSFER(__REG_DMA_TRANSFER__) \ |
| (((__REG_DMA_TRANSFER__) == LL_ADC_REG_DMA_TRANSFER_NONE) \ |
| || ((__REG_DMA_TRANSFER__) == LL_ADC_REG_DMA_TRANSFER_LIMITED) \ |
| || ((__REG_DMA_TRANSFER__) == LL_ADC_REG_DMA_TRANSFER_UNLIMITED) \ |
| ) |
| |
| #define IS_LL_ADC_REG_OVR_DATA_BEHAVIOR(__REG_OVR_DATA_BEHAVIOR__) \ |
| (((__REG_OVR_DATA_BEHAVIOR__) == LL_ADC_REG_OVR_DATA_PRESERVED) \ |
| || ((__REG_OVR_DATA_BEHAVIOR__) == LL_ADC_REG_OVR_DATA_OVERWRITTEN) \ |
| ) |
| |
| #define IS_LL_ADC_REG_SEQ_SCAN_LENGTH(__REG_SEQ_SCAN_LENGTH__) \ |
| (((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_DISABLE) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_2RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_3RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_4RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_5RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_6RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_7RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_8RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_9RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_10RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_11RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_12RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_13RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_14RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_15RANKS) \ |
| || ((__REG_SEQ_SCAN_LENGTH__) == LL_ADC_REG_SEQ_SCAN_ENABLE_16RANKS) \ |
| ) |
| |
| #define IS_LL_ADC_REG_SEQ_SCAN_DISCONT_MODE(__REG_SEQ_DISCONT_MODE__) \ |
| (((__REG_SEQ_DISCONT_MODE__) == LL_ADC_REG_SEQ_DISCONT_DISABLE) \ |
| || ((__REG_SEQ_DISCONT_MODE__) == LL_ADC_REG_SEQ_DISCONT_1RANK) \ |
| || ((__REG_SEQ_DISCONT_MODE__) == LL_ADC_REG_SEQ_DISCONT_2RANKS) \ |
| || ((__REG_SEQ_DISCONT_MODE__) == LL_ADC_REG_SEQ_DISCONT_3RANKS) \ |
| || ((__REG_SEQ_DISCONT_MODE__) == LL_ADC_REG_SEQ_DISCONT_4RANKS) \ |
| || ((__REG_SEQ_DISCONT_MODE__) == LL_ADC_REG_SEQ_DISCONT_5RANKS) \ |
| || ((__REG_SEQ_DISCONT_MODE__) == LL_ADC_REG_SEQ_DISCONT_6RANKS) \ |
| || ((__REG_SEQ_DISCONT_MODE__) == LL_ADC_REG_SEQ_DISCONT_7RANKS) \ |
| || ((__REG_SEQ_DISCONT_MODE__) == LL_ADC_REG_SEQ_DISCONT_8RANKS) \ |
| ) |
| |
| /* Check of parameters for configuration of ADC hierarchical scope: */ |
| /* ADC group injected */ |
| #define IS_LL_ADC_INJ_TRIG_SOURCE(__INJ_TRIG_SOURCE__) \ |
| (((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_SOFTWARE) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM1_TRGO) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM1_TRGO2) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM1_CH4) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM2_TRGO) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM2_CH1) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM3_TRGO) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM3_CH1) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM3_CH3) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM3_CH4) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM4_TRGO) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM6_TRGO) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM8_CH4) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM8_TRGO) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM8_TRGO2) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM15_TRGO) \ |
| || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_EXTI_LINE15) \ |
| ) |
| |
| #define IS_LL_ADC_INJ_TRIG_EXT_EDGE(__INJ_TRIG_EXT_EDGE__) \ |
| (((__INJ_TRIG_EXT_EDGE__) == LL_ADC_INJ_TRIG_EXT_RISING) \ |
| || ((__INJ_TRIG_EXT_EDGE__) == LL_ADC_INJ_TRIG_EXT_FALLING) \ |
| || ((__INJ_TRIG_EXT_EDGE__) == LL_ADC_INJ_TRIG_EXT_RISINGFALLING) \ |
| ) |
| |
| #define IS_LL_ADC_INJ_TRIG_AUTO(__INJ_TRIG_AUTO__) \ |
| (((__INJ_TRIG_AUTO__) == LL_ADC_INJ_TRIG_INDEPENDENT) \ |
| || ((__INJ_TRIG_AUTO__) == LL_ADC_INJ_TRIG_FROM_GRP_REGULAR) \ |
| ) |
| |
| #define IS_LL_ADC_INJ_SEQ_SCAN_LENGTH(__INJ_SEQ_SCAN_LENGTH__) \ |
| (((__INJ_SEQ_SCAN_LENGTH__) == LL_ADC_INJ_SEQ_SCAN_DISABLE) \ |
| || ((__INJ_SEQ_SCAN_LENGTH__) == LL_ADC_INJ_SEQ_SCAN_ENABLE_2RANKS) \ |
| || ((__INJ_SEQ_SCAN_LENGTH__) == LL_ADC_INJ_SEQ_SCAN_ENABLE_3RANKS) \ |
| || ((__INJ_SEQ_SCAN_LENGTH__) == LL_ADC_INJ_SEQ_SCAN_ENABLE_4RANKS) \ |
| ) |
| |
| #define IS_LL_ADC_INJ_SEQ_SCAN_DISCONT_MODE(__INJ_SEQ_DISCONT_MODE__) \ |
| (((__INJ_SEQ_DISCONT_MODE__) == LL_ADC_INJ_SEQ_DISCONT_DISABLE) \ |
| || ((__INJ_SEQ_DISCONT_MODE__) == LL_ADC_INJ_SEQ_DISCONT_1RANK) \ |
| ) |
| |
| #if defined(ADC_MULTIMODE_SUPPORT) |
| /* Check of parameters for configuration of ADC hierarchical scope: */ |
| /* multimode. */ |
| #define IS_LL_ADC_MULTI_MODE(__MULTI_MODE__) \ |
| (((__MULTI_MODE__) == LL_ADC_MULTI_INDEPENDENT) \ |
| || ((__MULTI_MODE__) == LL_ADC_MULTI_DUAL_REG_SIMULT) \ |
| || ((__MULTI_MODE__) == LL_ADC_MULTI_DUAL_REG_INTERL) \ |
| || ((__MULTI_MODE__) == LL_ADC_MULTI_DUAL_INJ_SIMULT) \ |
| || ((__MULTI_MODE__) == LL_ADC_MULTI_DUAL_INJ_ALTERN) \ |
| || ((__MULTI_MODE__) == LL_ADC_MULTI_DUAL_REG_SIM_INJ_SIM) \ |
| || ((__MULTI_MODE__) == LL_ADC_MULTI_DUAL_REG_SIM_INJ_ALT) \ |
| || ((__MULTI_MODE__) == LL_ADC_MULTI_DUAL_REG_INT_INJ_SIM) \ |
| ) |
| |
| #define IS_LL_ADC_MULTI_DMA_TRANSFER(__MULTI_DMA_TRANSFER__) \ |
| (((__MULTI_DMA_TRANSFER__) == LL_ADC_MULTI_REG_DMA_EACH_ADC) \ |
| || ((__MULTI_DMA_TRANSFER__) == LL_ADC_MULTI_REG_DMA_LIMIT_RES12_10B) \ |
| || ((__MULTI_DMA_TRANSFER__) == LL_ADC_MULTI_REG_DMA_LIMIT_RES8_6B) \ |
| || ((__MULTI_DMA_TRANSFER__) == LL_ADC_MULTI_REG_DMA_UNLMT_RES12_10B) \ |
| || ((__MULTI_DMA_TRANSFER__) == LL_ADC_MULTI_REG_DMA_UNLMT_RES8_6B) \ |
| ) |
| |
| #define IS_LL_ADC_MULTI_TWOSMP_DELAY(__MULTI_TWOSMP_DELAY__) \ |
| (((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_1CYCLE) \ |
| || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_2CYCLES) \ |
| || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_3CYCLES) \ |
| || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_4CYCLES) \ |
| || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_5CYCLES) \ |
| || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_6CYCLES) \ |
| || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_7CYCLES) \ |
| || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_8CYCLES) \ |
| || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_9CYCLES) \ |
| || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_10CYCLES) \ |
| || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_11CYCLES) \ |
| || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_12CYCLES) \ |
| ) |
| |
| #define IS_LL_ADC_MULTI_MASTER_SLAVE(__MULTI_MASTER_SLAVE__) \ |
| (((__MULTI_MASTER_SLAVE__) == LL_ADC_MULTI_MASTER) \ |
| || ((__MULTI_MASTER_SLAVE__) == LL_ADC_MULTI_SLAVE) \ |
| || ((__MULTI_MASTER_SLAVE__) == LL_ADC_MULTI_MASTER_SLAVE) \ |
| ) |
| |
| #endif /* ADC_MULTIMODE_SUPPORT */ |
| /** |
| * @} |
| */ |
| |
| |
| /* Private function prototypes -----------------------------------------------*/ |
| |
| /* Exported functions --------------------------------------------------------*/ |
| /** @addtogroup ADC_LL_Exported_Functions |
| * @{ |
| */ |
| |
| /** @addtogroup ADC_LL_EF_Init |
| * @{ |
| */ |
| |
| /** |
| * @brief De-initialize registers of all ADC instances belonging to |
| * the same ADC common instance to their default reset values. |
| * @note This function is performing a hard reset, using high level |
| * clock source RCC ADC reset. |
| * Caution: On this STM32 series, if several ADC instances are available |
| * on the selected device, RCC ADC reset will reset |
| * all ADC instances belonging to the common ADC instance. |
| * To de-initialize only 1 ADC instance, use |
| * function @ref LL_ADC_DeInit(). |
| * @param ADCxy_COMMON ADC common instance |
| * (can be set directly from CMSIS definition or by using helper macro @ref __LL_ADC_COMMON_INSTANCE() ) |
| * @retval An ErrorStatus enumeration value: |
| * - SUCCESS: ADC common registers are de-initialized |
| * - ERROR: not applicable |
| */ |
| ErrorStatus LL_ADC_CommonDeInit(ADC_Common_TypeDef *ADCxy_COMMON) |
| { |
| /* Check the parameters */ |
| assert_param(IS_ADC_COMMON_INSTANCE(ADCxy_COMMON)); |
| |
| /* Prevent unused argument compilation warning */ |
| (void)(ADCxy_COMMON); |
| |
| /* Force reset of ADC clock (core clock) */ |
| LL_AHB2_GRP1_ForceReset(LL_AHB2_GRP1_PERIPH_ADC); |
| |
| /* Release reset of ADC clock (core clock) */ |
| LL_AHB2_GRP1_ReleaseReset(LL_AHB2_GRP1_PERIPH_ADC); |
| |
| return SUCCESS; |
| } |
| |
| /** |
| * @brief Initialize some features of ADC common parameters |
| * (all ADC instances belonging to the same ADC common instance) |
| * and multimode (for devices with several ADC instances available). |
| * @note The setting of ADC common parameters is conditioned to |
| * ADC instances state: |
| * All ADC instances belonging to the same ADC common instance |
| * must be disabled. |
| * @param ADCxy_COMMON ADC common instance |
| * (can be set directly from CMSIS definition or by using helper macro @ref __LL_ADC_COMMON_INSTANCE() ) |
| * @param ADC_CommonInitStruct Pointer to a @ref LL_ADC_CommonInitTypeDef structure |
| * @retval An ErrorStatus enumeration value: |
| * - SUCCESS: ADC common registers are initialized |
| * - ERROR: ADC common registers are not initialized |
| */ |
| ErrorStatus LL_ADC_CommonInit(ADC_Common_TypeDef *ADCxy_COMMON, LL_ADC_CommonInitTypeDef *ADC_CommonInitStruct) |
| { |
| ErrorStatus status = SUCCESS; |
| |
| /* Check the parameters */ |
| assert_param(IS_ADC_COMMON_INSTANCE(ADCxy_COMMON)); |
| assert_param(IS_LL_ADC_COMMON_CLOCK(ADC_CommonInitStruct->CommonClock)); |
| |
| #if defined(ADC_MULTIMODE_SUPPORT) |
| assert_param(IS_LL_ADC_MULTI_MODE(ADC_CommonInitStruct->Multimode)); |
| if (ADC_CommonInitStruct->Multimode != LL_ADC_MULTI_INDEPENDENT) |
| { |
| assert_param(IS_LL_ADC_MULTI_DMA_TRANSFER(ADC_CommonInitStruct->MultiDMATransfer)); |
| assert_param(IS_LL_ADC_MULTI_TWOSMP_DELAY(ADC_CommonInitStruct->MultiTwoSamplingDelay)); |
| } |
| #endif /* ADC_MULTIMODE_SUPPORT */ |
| |
| /* Note: Hardware constraint (refer to description of functions */ |
| /* "LL_ADC_SetCommonXXX()" and "LL_ADC_SetMultiXXX()"): */ |
| /* On this STM32 series, setting of these features is conditioned to */ |
| /* ADC state: */ |
| /* All ADC instances of the ADC common group must be disabled. */ |
| if (__LL_ADC_IS_ENABLED_ALL_COMMON_INSTANCE(ADCxy_COMMON) == 0UL) |
| { |
| /* Configuration of ADC hierarchical scope: */ |
| /* - common to several ADC */ |
| /* (all ADC instances belonging to the same ADC common instance) */ |
| /* - Set ADC clock (conversion clock) */ |
| /* - multimode (if several ADC instances available on the */ |
| /* selected device) */ |
| /* - Set ADC multimode configuration */ |
| /* - Set ADC multimode DMA transfer */ |
| /* - Set ADC multimode: delay between 2 sampling phases */ |
| #if defined(ADC_MULTIMODE_SUPPORT) |
| if (ADC_CommonInitStruct->Multimode != LL_ADC_MULTI_INDEPENDENT) |
| { |
| MODIFY_REG(ADCxy_COMMON->CCR, |
| ADC_CCR_CKMODE |
| | ADC_CCR_PRESC |
| | ADC_CCR_DUAL |
| | ADC_CCR_MDMA |
| | ADC_CCR_DELAY |
| , |
| ADC_CommonInitStruct->CommonClock |
| | ADC_CommonInitStruct->Multimode |
| | ADC_CommonInitStruct->MultiDMATransfer |
| | ADC_CommonInitStruct->MultiTwoSamplingDelay |
| ); |
| } |
| else |
| { |
| MODIFY_REG(ADCxy_COMMON->CCR, |
| ADC_CCR_CKMODE |
| | ADC_CCR_PRESC |
| | ADC_CCR_DUAL |
| | ADC_CCR_MDMA |
| | ADC_CCR_DELAY |
| , |
| ADC_CommonInitStruct->CommonClock |
| | LL_ADC_MULTI_INDEPENDENT |
| ); |
| } |
| #else |
| LL_ADC_SetCommonClock(ADCxy_COMMON, ADC_CommonInitStruct->CommonClock); |
| #endif |
| } |
| else |
| { |
| /* Initialization error: One or several ADC instances belonging to */ |
| /* the same ADC common instance are not disabled. */ |
| status = ERROR; |
| } |
| |
| return status; |
| } |
| |
| /** |
| * @brief Set each @ref LL_ADC_CommonInitTypeDef field to default value. |
| * @param ADC_CommonInitStruct Pointer to a @ref LL_ADC_CommonInitTypeDef structure |
| * whose fields will be set to default values. |
| * @retval None |
| */ |
| void LL_ADC_CommonStructInit(LL_ADC_CommonInitTypeDef *ADC_CommonInitStruct) |
| { |
| /* Set ADC_CommonInitStruct fields to default values */ |
| /* Set fields of ADC common */ |
| /* (all ADC instances belonging to the same ADC common instance) */ |
| ADC_CommonInitStruct->CommonClock = LL_ADC_CLOCK_SYNC_PCLK_DIV2; |
| |
| #if defined(ADC_MULTIMODE_SUPPORT) |
| /* Set fields of ADC multimode */ |
| ADC_CommonInitStruct->Multimode = LL_ADC_MULTI_INDEPENDENT; |
| ADC_CommonInitStruct->MultiDMATransfer = LL_ADC_MULTI_REG_DMA_EACH_ADC; |
| ADC_CommonInitStruct->MultiTwoSamplingDelay = LL_ADC_MULTI_TWOSMP_DELAY_1CYCLE; |
| #endif /* ADC_MULTIMODE_SUPPORT */ |
| } |
| |
| /** |
| * @brief De-initialize registers of the selected ADC instance |
| * to their default reset values. |
| * @note To reset all ADC instances quickly (perform a hard reset), |
| * use function @ref LL_ADC_CommonDeInit(). |
| * @note If this functions returns error status, it means that ADC instance |
| * is in an unknown state. |
| * In this case, perform a hard reset using high level |
| * clock source RCC ADC reset. |
| * Caution: On this STM32 series, if several ADC instances are available |
| * on the selected device, RCC ADC reset will reset |
| * all ADC instances belonging to the common ADC instance. |
| * Refer to function @ref LL_ADC_CommonDeInit(). |
| * @param ADCx ADC instance |
| * @retval An ErrorStatus enumeration value: |
| * - SUCCESS: ADC registers are de-initialized |
| * - ERROR: ADC registers are not de-initialized |
| */ |
| ErrorStatus LL_ADC_DeInit(ADC_TypeDef *ADCx) |
| { |
| ErrorStatus status = SUCCESS; |
| |
| __IO uint32_t timeout_cpu_cycles = 0UL; |
| |
| /* Check the parameters */ |
| assert_param(IS_ADC_ALL_INSTANCE(ADCx)); |
| |
| /* Disable ADC instance if not already disabled. */ |
| if (LL_ADC_IsEnabled(ADCx) == 1UL) |
| { |
| /* Set ADC group regular trigger source to SW start to ensure to not */ |
| /* have an external trigger event occurring during the conversion stop */ |
| /* ADC disable process. */ |
| LL_ADC_REG_SetTriggerSource(ADCx, LL_ADC_REG_TRIG_SOFTWARE); |
| |
| /* Stop potential ADC conversion on going on ADC group regular. */ |
| if (LL_ADC_REG_IsConversionOngoing(ADCx) != 0UL) |
| { |
| if (LL_ADC_REG_IsStopConversionOngoing(ADCx) == 0UL) |
| { |
| LL_ADC_REG_StopConversion(ADCx); |
| } |
| } |
| |
| /* Set ADC group injected trigger source to SW start to ensure to not */ |
| /* have an external trigger event occurring during the conversion stop */ |
| /* ADC disable process. */ |
| LL_ADC_INJ_SetTriggerSource(ADCx, LL_ADC_INJ_TRIG_SOFTWARE); |
| |
| /* Stop potential ADC conversion on going on ADC group injected. */ |
| if (LL_ADC_INJ_IsConversionOngoing(ADCx) != 0UL) |
| { |
| if (LL_ADC_INJ_IsStopConversionOngoing(ADCx) == 0UL) |
| { |
| LL_ADC_INJ_StopConversion(ADCx); |
| } |
| } |
| |
| /* Wait for ADC conversions are effectively stopped */ |
| timeout_cpu_cycles = ADC_TIMEOUT_STOP_CONVERSION_CPU_CYCLES; |
| while ((LL_ADC_REG_IsStopConversionOngoing(ADCx) |
| | LL_ADC_INJ_IsStopConversionOngoing(ADCx)) == 1UL) |
| { |
| timeout_cpu_cycles--; |
| if (timeout_cpu_cycles == 0UL) |
| { |
| /* Time-out error */ |
| status = ERROR; |
| break; |
| } |
| } |
| |
| /* Flush group injected contexts queue (register JSQR): */ |
| /* Note: Bit JQM must be set to empty the contexts queue (otherwise */ |
| /* contexts queue is maintained with the last active context). */ |
| LL_ADC_INJ_SetQueueMode(ADCx, LL_ADC_INJ_QUEUE_2CONTEXTS_END_EMPTY); |
| |
| /* Disable the ADC instance */ |
| LL_ADC_Disable(ADCx); |
| |
| /* Wait for ADC instance is effectively disabled */ |
| timeout_cpu_cycles = ADC_TIMEOUT_DISABLE_CPU_CYCLES; |
| while (LL_ADC_IsDisableOngoing(ADCx) == 1UL) |
| { |
| timeout_cpu_cycles--; |
| if (timeout_cpu_cycles == 0UL) |
| { |
| /* Time-out error */ |
| status = ERROR; |
| break; |
| } |
| } |
| } |
| |
| /* Check whether ADC state is compliant with expected state */ |
| if (READ_BIT(ADCx->CR, |
| (ADC_CR_JADSTP | ADC_CR_ADSTP | ADC_CR_JADSTART | ADC_CR_ADSTART |
| | ADC_CR_ADDIS | ADC_CR_ADEN) |
| ) |
| == 0UL) |
| { |
| /* ========== Reset ADC registers ========== */ |
| /* Reset register IER */ |
| CLEAR_BIT(ADCx->IER, |
| (LL_ADC_IT_ADRDY |
| | LL_ADC_IT_EOC |
| | LL_ADC_IT_EOS |
| | LL_ADC_IT_OVR |
| | LL_ADC_IT_EOSMP |
| | LL_ADC_IT_JEOC |
| | LL_ADC_IT_JEOS |
| | LL_ADC_IT_JQOVF |
| | LL_ADC_IT_AWD1 |
| | LL_ADC_IT_AWD2 |
| | LL_ADC_IT_AWD3 |
| ) |
| ); |
| |
| /* Reset register ISR */ |
| SET_BIT(ADCx->ISR, |
| (LL_ADC_FLAG_ADRDY |
| | LL_ADC_FLAG_EOC |
| | LL_ADC_FLAG_EOS |
| | LL_ADC_FLAG_OVR |
| | LL_ADC_FLAG_EOSMP |
| | LL_ADC_FLAG_JEOC |
| | LL_ADC_FLAG_JEOS |
| | LL_ADC_FLAG_JQOVF |
| | LL_ADC_FLAG_AWD1 |
| | LL_ADC_FLAG_AWD2 |
| | LL_ADC_FLAG_AWD3 |
| ) |
| ); |
| |
| /* Reset register CR */ |
| /* - Bits ADC_CR_JADSTP, ADC_CR_ADSTP, ADC_CR_JADSTART, ADC_CR_ADSTART, */ |
| /* ADC_CR_ADCAL, ADC_CR_ADDIS, ADC_CR_ADEN are in */ |
| /* access mode "read-set": no direct reset applicable. */ |
| /* - Reset Calibration mode to default setting (single ended). */ |
| /* - Disable ADC internal voltage regulator. */ |
| /* - Enable ADC deep power down. */ |
| /* Note: ADC internal voltage regulator disable and ADC deep power */ |
| /* down enable are conditioned to ADC state disabled: */ |
| /* already done above. */ |
| CLEAR_BIT(ADCx->CR, ADC_CR_ADVREGEN | ADC_CR_ADCALDIF); |
| SET_BIT(ADCx->CR, ADC_CR_DEEPPWD); |
| |
| /* Reset register CFGR */ |
| MODIFY_REG(ADCx->CFGR, |
| (ADC_CFGR_AWD1CH | ADC_CFGR_JAUTO | ADC_CFGR_JAWD1EN |
| | ADC_CFGR_AWD1EN | ADC_CFGR_AWD1SGL | ADC_CFGR_JQM |
| | ADC_CFGR_JDISCEN | ADC_CFGR_DISCNUM | ADC_CFGR_DISCEN |
| | ADC_CFGR_AUTDLY | ADC_CFGR_CONT | ADC_CFGR_OVRMOD |
| | ADC_CFGR_EXTEN | ADC_CFGR_EXTSEL | ADC_CFGR_ALIGN |
| | ADC_CFGR_RES | ADC_CFGR_DMACFG | ADC_CFGR_DMAEN), |
| ADC_CFGR_JQDIS |
| ); |
| |
| /* Reset register CFGR2 */ |
| CLEAR_BIT(ADCx->CFGR2, |
| (ADC_CFGR2_ROVSM | ADC_CFGR2_TROVS | ADC_CFGR2_OVSS |
| | ADC_CFGR2_OVSR | ADC_CFGR2_JOVSE | ADC_CFGR2_ROVSE) |
| ); |
| |
| /* Reset register SMPR1 */ |
| CLEAR_BIT(ADCx->SMPR1, |
| (ADC_SMPR1_SMP9 | ADC_SMPR1_SMP8 | ADC_SMPR1_SMP7 |
| | ADC_SMPR1_SMP6 | ADC_SMPR1_SMP5 | ADC_SMPR1_SMP4 |
| | ADC_SMPR1_SMP3 | ADC_SMPR1_SMP2 | ADC_SMPR1_SMP1) |
| ); |
| |
| /* Reset register SMPR2 */ |
| CLEAR_BIT(ADCx->SMPR2, |
| (ADC_SMPR2_SMP18 | ADC_SMPR2_SMP17 | ADC_SMPR2_SMP16 |
| | ADC_SMPR2_SMP15 | ADC_SMPR2_SMP14 | ADC_SMPR2_SMP13 |
| | ADC_SMPR2_SMP12 | ADC_SMPR2_SMP11 | ADC_SMPR2_SMP10) |
| ); |
| |
| /* Reset register TR1 */ |
| MODIFY_REG(ADCx->TR1, ADC_TR1_HT1 | ADC_TR1_LT1, ADC_TR1_HT1); |
| |
| /* Reset register TR2 */ |
| MODIFY_REG(ADCx->TR2, ADC_TR2_HT2 | ADC_TR2_LT2, ADC_TR2_HT2); |
| |
| /* Reset register TR3 */ |
| MODIFY_REG(ADCx->TR3, ADC_TR3_HT3 | ADC_TR3_LT3, ADC_TR3_HT3); |
| |
| /* Reset register SQR1 */ |
| CLEAR_BIT(ADCx->SQR1, |
| (ADC_SQR1_SQ4 | ADC_SQR1_SQ3 | ADC_SQR1_SQ2 |
| | ADC_SQR1_SQ1 | ADC_SQR1_L) |
| ); |
| |
| /* Reset register SQR2 */ |
| CLEAR_BIT(ADCx->SQR2, |
| (ADC_SQR2_SQ9 | ADC_SQR2_SQ8 | ADC_SQR2_SQ7 |
| | ADC_SQR2_SQ6 | ADC_SQR2_SQ5) |
| ); |
| |
| /* Reset register SQR3 */ |
| CLEAR_BIT(ADCx->SQR3, |
| (ADC_SQR3_SQ14 | ADC_SQR3_SQ13 | ADC_SQR3_SQ12 |
| | ADC_SQR3_SQ11 | ADC_SQR3_SQ10) |
| ); |
| |
| /* Reset register SQR4 */ |
| CLEAR_BIT(ADCx->SQR4, ADC_SQR4_SQ16 | ADC_SQR4_SQ15); |
| |
| /* Reset register JSQR */ |
| CLEAR_BIT(ADCx->JSQR, |
| (ADC_JSQR_JL |
| | ADC_JSQR_JEXTSEL | ADC_JSQR_JEXTEN |
| | ADC_JSQR_JSQ4 | ADC_JSQR_JSQ3 |
| | ADC_JSQR_JSQ2 | ADC_JSQR_JSQ1) |
| ); |
| |
| /* Reset register DR */ |
| /* Note: bits in access mode read only, no direct reset applicable */ |
| |
| /* Reset register OFR1 */ |
| CLEAR_BIT(ADCx->OFR1, ADC_OFR1_OFFSET1_EN | ADC_OFR1_OFFSET1_CH | ADC_OFR1_OFFSET1); |
| /* Reset register OFR2 */ |
| CLEAR_BIT(ADCx->OFR2, ADC_OFR2_OFFSET2_EN | ADC_OFR2_OFFSET2_CH | ADC_OFR2_OFFSET2); |
| /* Reset register OFR3 */ |
| CLEAR_BIT(ADCx->OFR3, ADC_OFR3_OFFSET3_EN | ADC_OFR3_OFFSET3_CH | ADC_OFR3_OFFSET3); |
| /* Reset register OFR4 */ |
| CLEAR_BIT(ADCx->OFR4, ADC_OFR4_OFFSET4_EN | ADC_OFR4_OFFSET4_CH | ADC_OFR4_OFFSET4); |
| |
| /* Reset registers JDR1, JDR2, JDR3, JDR4 */ |
| /* Note: bits in access mode read only, no direct reset applicable */ |
| |
| /* Reset register AWD2CR */ |
| CLEAR_BIT(ADCx->AWD2CR, ADC_AWD2CR_AWD2CH); |
| |
| /* Reset register AWD3CR */ |
| CLEAR_BIT(ADCx->AWD3CR, ADC_AWD3CR_AWD3CH); |
| |
| /* Reset register DIFSEL */ |
| CLEAR_BIT(ADCx->DIFSEL, ADC_DIFSEL_DIFSEL); |
| |
| /* Reset register CALFACT */ |
| CLEAR_BIT(ADCx->CALFACT, ADC_CALFACT_CALFACT_D | ADC_CALFACT_CALFACT_S); |
| } |
| else |
| { |
| /* ADC instance is in an unknown state */ |
| /* Need to performing a hard reset of ADC instance, using high level */ |
| /* clock source RCC ADC reset. */ |
| /* Caution: On this STM32 series, if several ADC instances are available */ |
| /* on the selected device, RCC ADC reset will reset */ |
| /* all ADC instances belonging to the common ADC instance. */ |
| /* Caution: On this STM32 series, if several ADC instances are available */ |
| /* on the selected device, RCC ADC reset will reset */ |
| /* all ADC instances belonging to the common ADC instance. */ |
| status = ERROR; |
| } |
| |
| return status; |
| } |
| |
| /** |
| * @brief Initialize some features of ADC instance. |
| * @note These parameters have an impact on ADC scope: ADC instance. |
| * Affects both group regular and group injected (availability |
| * of ADC group injected depends on STM32 families). |
| * Refer to corresponding unitary functions into |
| * @ref ADC_LL_EF_Configuration_ADC_Instance . |
| * @note The setting of these parameters by function @ref LL_ADC_Init() |
| * is conditioned to ADC state: |
| * ADC instance must be disabled. |
| * This condition is applied to all ADC features, for efficiency |
| * and compatibility over all STM32 families. However, the different |
| * features can be set under different ADC state conditions |
| * (setting possible with ADC enabled without conversion on going, |
| * ADC enabled with conversion on going, ...) |
| * Each feature can be updated afterwards with a unitary function |
| * and potentially with ADC in a different state than disabled, |
| * refer to description of each function for setting |
| * conditioned to ADC state. |
| * @note After using this function, some other features must be configured |
| * using LL unitary functions. |
| * The minimum configuration remaining to be done is: |
| * - Set ADC group regular or group injected sequencer: |
| * map channel on the selected sequencer rank. |
| * Refer to function @ref LL_ADC_REG_SetSequencerRanks(). |
| * - Set ADC channel sampling time |
| * Refer to function LL_ADC_SetChannelSamplingTime(); |
| * @param ADCx ADC instance |
| * @param ADC_InitStruct Pointer to a @ref LL_ADC_REG_InitTypeDef structure |
| * @retval An ErrorStatus enumeration value: |
| * - SUCCESS: ADC registers are initialized |
| * - ERROR: ADC registers are not initialized |
| */ |
| ErrorStatus LL_ADC_Init(ADC_TypeDef *ADCx, LL_ADC_InitTypeDef *ADC_InitStruct) |
| { |
| ErrorStatus status = SUCCESS; |
| |
| /* Check the parameters */ |
| assert_param(IS_ADC_ALL_INSTANCE(ADCx)); |
| |
| assert_param(IS_LL_ADC_RESOLUTION(ADC_InitStruct->Resolution)); |
| assert_param(IS_LL_ADC_DATA_ALIGN(ADC_InitStruct->DataAlignment)); |
| assert_param(IS_LL_ADC_LOW_POWER(ADC_InitStruct->LowPowerMode)); |
| |
| /* Note: Hardware constraint (refer to description of this function): */ |
| /* ADC instance must be disabled. */ |
| if (LL_ADC_IsEnabled(ADCx) == 0UL) |
| { |
| /* Configuration of ADC hierarchical scope: */ |
| /* - ADC instance */ |
| /* - Set ADC data resolution */ |
| /* - Set ADC conversion data alignment */ |
| /* - Set ADC low power mode */ |
| MODIFY_REG(ADCx->CFGR, |
| ADC_CFGR_RES |
| | ADC_CFGR_ALIGN |
| | ADC_CFGR_AUTDLY |
| , |
| ADC_InitStruct->Resolution |
| | ADC_InitStruct->DataAlignment |
| | ADC_InitStruct->LowPowerMode |
| ); |
| |
| } |
| else |
| { |
| /* Initialization error: ADC instance is not disabled. */ |
| status = ERROR; |
| } |
| |
| return status; |
| } |
| |
| /** |
| * @brief Set each @ref LL_ADC_InitTypeDef field to default value. |
| * @param ADC_InitStruct Pointer to a @ref LL_ADC_InitTypeDef structure |
| * whose fields will be set to default values. |
| * @retval None |
| */ |
| void LL_ADC_StructInit(LL_ADC_InitTypeDef *ADC_InitStruct) |
| { |
| /* Set ADC_InitStruct fields to default values */ |
| /* Set fields of ADC instance */ |
| ADC_InitStruct->Resolution = LL_ADC_RESOLUTION_12B; |
| ADC_InitStruct->DataAlignment = LL_ADC_DATA_ALIGN_RIGHT; |
| ADC_InitStruct->LowPowerMode = LL_ADC_LP_MODE_NONE; |
| |
| } |
| |
| /** |
| * @brief Initialize some features of ADC group regular. |
| * @note These parameters have an impact on ADC scope: ADC group regular. |
| * Refer to corresponding unitary functions into |
| * @ref ADC_LL_EF_Configuration_ADC_Group_Regular |
| * (functions with prefix "REG"). |
| * @note The setting of these parameters by function @ref LL_ADC_Init() |
| * is conditioned to ADC state: |
| * ADC instance must be disabled. |
| * This condition is applied to all ADC features, for efficiency |
| * and compatibility over all STM32 families. However, the different |
| * features can be set under different ADC state conditions |
| * (setting possible with ADC enabled without conversion on going, |
| * ADC enabled with conversion on going, ...) |
| * Each feature can be updated afterwards with a unitary function |
| * and potentially with ADC in a different state than disabled, |
| * refer to description of each function for setting |
| * conditioned to ADC state. |
| * @note After using this function, other features must be configured |
| * using LL unitary functions. |
| * The minimum configuration remaining to be done is: |
| * - Set ADC group regular or group injected sequencer: |
| * map channel on the selected sequencer rank. |
| * Refer to function @ref LL_ADC_REG_SetSequencerRanks(). |
| * - Set ADC channel sampling time |
| * Refer to function LL_ADC_SetChannelSamplingTime(); |
| * @param ADCx ADC instance |
| * @param ADC_REG_InitStruct Pointer to a @ref LL_ADC_REG_InitTypeDef structure |
| * @retval An ErrorStatus enumeration value: |
| * - SUCCESS: ADC registers are initialized |
| * - ERROR: ADC registers are not initialized |
| */ |
| ErrorStatus LL_ADC_REG_Init(ADC_TypeDef *ADCx, LL_ADC_REG_InitTypeDef *ADC_REG_InitStruct) |
| { |
| ErrorStatus status = SUCCESS; |
| |
| /* Check the parameters */ |
| assert_param(IS_ADC_ALL_INSTANCE(ADCx)); |
| assert_param(IS_LL_ADC_REG_TRIG_SOURCE(ADC_REG_InitStruct->TriggerSource)); |
| assert_param(IS_LL_ADC_REG_SEQ_SCAN_LENGTH(ADC_REG_InitStruct->SequencerLength)); |
| if (ADC_REG_InitStruct->SequencerLength != LL_ADC_REG_SEQ_SCAN_DISABLE) |
| { |
| assert_param(IS_LL_ADC_REG_SEQ_SCAN_DISCONT_MODE(ADC_REG_InitStruct->SequencerDiscont)); |
| |
| /* ADC group regular continuous mode and discontinuous mode */ |
| /* can not be enabled simultenaeously */ |
| assert_param((ADC_REG_InitStruct->ContinuousMode == LL_ADC_REG_CONV_SINGLE) |
| || (ADC_REG_InitStruct->SequencerDiscont == LL_ADC_REG_SEQ_DISCONT_DISABLE)); |
| } |
| assert_param(IS_LL_ADC_REG_CONTINUOUS_MODE(ADC_REG_InitStruct->ContinuousMode)); |
| assert_param(IS_LL_ADC_REG_DMA_TRANSFER(ADC_REG_InitStruct->DMATransfer)); |
| assert_param(IS_LL_ADC_REG_OVR_DATA_BEHAVIOR(ADC_REG_InitStruct->Overrun)); |
| |
| /* Note: Hardware constraint (refer to description of this function): */ |
| /* ADC instance must be disabled. */ |
| if (LL_ADC_IsEnabled(ADCx) == 0UL) |
| { |
| /* Configuration of ADC hierarchical scope: */ |
| /* - ADC group regular */ |
| /* - Set ADC group regular trigger source */ |
| /* - Set ADC group regular sequencer length */ |
| /* - Set ADC group regular sequencer discontinuous mode */ |
| /* - Set ADC group regular continuous mode */ |
| /* - Set ADC group regular conversion data transfer: no transfer or */ |
| /* transfer by DMA, and DMA requests mode */ |
| /* - Set ADC group regular overrun behavior */ |
| /* Note: On this STM32 series, ADC trigger edge is set to value 0x0 by */ |
| /* setting of trigger source to SW start. */ |
| if (ADC_REG_InitStruct->SequencerLength != LL_ADC_REG_SEQ_SCAN_DISABLE) |
| { |
| MODIFY_REG(ADCx->CFGR, |
| ADC_CFGR_EXTSEL |
| | ADC_CFGR_EXTEN |
| | ADC_CFGR_DISCEN |
| | ADC_CFGR_DISCNUM |
| | ADC_CFGR_CONT |
| | ADC_CFGR_DMAEN |
| | ADC_CFGR_DMACFG |
| | ADC_CFGR_OVRMOD |
| , |
| ADC_REG_InitStruct->TriggerSource |
| | ADC_REG_InitStruct->SequencerDiscont |
| | ADC_REG_InitStruct->ContinuousMode |
| | ADC_REG_InitStruct->DMATransfer |
| | ADC_REG_InitStruct->Overrun |
| ); |
| } |
| else |
| { |
| MODIFY_REG(ADCx->CFGR, |
| ADC_CFGR_EXTSEL |
| | ADC_CFGR_EXTEN |
| | ADC_CFGR_DISCEN |
| | ADC_CFGR_DISCNUM |
| | ADC_CFGR_CONT |
| | ADC_CFGR_DMAEN |
| | ADC_CFGR_DMACFG |
| | ADC_CFGR_OVRMOD |
| , |
| ADC_REG_InitStruct->TriggerSource |
| | LL_ADC_REG_SEQ_DISCONT_DISABLE |
| | ADC_REG_InitStruct->ContinuousMode |
| | ADC_REG_InitStruct->DMATransfer |
| | ADC_REG_InitStruct->Overrun |
| ); |
| } |
| |
| /* Set ADC group regular sequencer length and scan direction */ |
| LL_ADC_REG_SetSequencerLength(ADCx, ADC_REG_InitStruct->SequencerLength); |
| } |
| else |
| { |
| /* Initialization error: ADC instance is not disabled. */ |
| status = ERROR; |
| } |
| return status; |
| } |
| |
| /** |
| * @brief Set each @ref LL_ADC_REG_InitTypeDef field to default value. |
| * @param ADC_REG_InitStruct Pointer to a @ref LL_ADC_REG_InitTypeDef structure |
| * whose fields will be set to default values. |
| * @retval None |
| */ |
| void LL_ADC_REG_StructInit(LL_ADC_REG_InitTypeDef *ADC_REG_InitStruct) |
| { |
| /* Set ADC_REG_InitStruct fields to default values */ |
| /* Set fields of ADC group regular */ |
| /* Note: On this STM32 series, ADC trigger edge is set to value 0x0 by */ |
| /* setting of trigger source to SW start. */ |
| ADC_REG_InitStruct->TriggerSource = LL_ADC_REG_TRIG_SOFTWARE; |
| ADC_REG_InitStruct->SequencerLength = LL_ADC_REG_SEQ_SCAN_DISABLE; |
| ADC_REG_InitStruct->SequencerDiscont = LL_ADC_REG_SEQ_DISCONT_DISABLE; |
| ADC_REG_InitStruct->ContinuousMode = LL_ADC_REG_CONV_SINGLE; |
| ADC_REG_InitStruct->DMATransfer = LL_ADC_REG_DMA_TRANSFER_NONE; |
| ADC_REG_InitStruct->Overrun = LL_ADC_REG_OVR_DATA_OVERWRITTEN; |
| } |
| |
| /** |
| * @brief Initialize some features of ADC group injected. |
| * @note These parameters have an impact on ADC scope: ADC group injected. |
| * Refer to corresponding unitary functions into |
| * @ref ADC_LL_EF_Configuration_ADC_Group_Regular |
| * (functions with prefix "INJ"). |
| * @note The setting of these parameters by function @ref LL_ADC_Init() |
| * is conditioned to ADC state: |
| * ADC instance must be disabled. |
| * This condition is applied to all ADC features, for efficiency |
| * and compatibility over all STM32 families. However, the different |
| * features can be set under different ADC state conditions |
| * (setting possible with ADC enabled without conversion on going, |
| * ADC enabled with conversion on going, ...) |
| * Each feature can be updated afterwards with a unitary function |
| * and potentially with ADC in a different state than disabled, |
| * refer to description of each function for setting |
| * conditioned to ADC state. |
| * @note After using this function, other features must be configured |
| * using LL unitary functions. |
| * The minimum configuration remaining to be done is: |
| * - Set ADC group injected sequencer: |
| * map channel on the selected sequencer rank. |
| * Refer to function @ref LL_ADC_INJ_SetSequencerRanks(). |
| * - Set ADC channel sampling time |
| * Refer to function LL_ADC_SetChannelSamplingTime(); |
| * @note Caution if feature ADC group injected contexts queue is enabled |
| * (refer to with function @ref LL_ADC_INJ_SetQueueMode() ): |
| * using successively several times this function will appear as |
| * having no effect. |
| * To set several features of ADC group injected, use |
| * function @ref LL_ADC_INJ_ConfigQueueContext(). |
| * @param ADCx ADC instance |
| * @param ADC_INJ_InitStruct Pointer to a @ref LL_ADC_INJ_InitTypeDef structure |
| * @retval An ErrorStatus enumeration value: |
| * - SUCCESS: ADC registers are initialized |
| * - ERROR: ADC registers are not initialized |
| */ |
| ErrorStatus LL_ADC_INJ_Init(ADC_TypeDef *ADCx, LL_ADC_INJ_InitTypeDef *ADC_INJ_InitStruct) |
| { |
| ErrorStatus status = SUCCESS; |
| |
| /* Check the parameters */ |
| assert_param(IS_ADC_ALL_INSTANCE(ADCx)); |
| assert_param(IS_LL_ADC_INJ_TRIG_SOURCE(ADC_INJ_InitStruct->TriggerSource)); |
| assert_param(IS_LL_ADC_INJ_SEQ_SCAN_LENGTH(ADC_INJ_InitStruct->SequencerLength)); |
| if (ADC_INJ_InitStruct->SequencerLength != LL_ADC_INJ_SEQ_SCAN_DISABLE) |
| { |
| assert_param(IS_LL_ADC_INJ_SEQ_SCAN_DISCONT_MODE(ADC_INJ_InitStruct->SequencerDiscont)); |
| } |
| assert_param(IS_LL_ADC_INJ_TRIG_AUTO(ADC_INJ_InitStruct->TrigAuto)); |
| |
| /* Note: Hardware constraint (refer to description of this function): */ |
| /* ADC instance must be disabled. */ |
| if (LL_ADC_IsEnabled(ADCx) == 0UL) |
| { |
| /* Configuration of ADC hierarchical scope: */ |
| /* - ADC group injected */ |
| /* - Set ADC group injected trigger source */ |
| /* - Set ADC group injected sequencer length */ |
| /* - Set ADC group injected sequencer discontinuous mode */ |
| /* - Set ADC group injected conversion trigger: independent or */ |
| /* from ADC group regular */ |
| /* Note: On this STM32 series, ADC trigger edge is set to value 0x0 by */ |
| /* setting of trigger source to SW start. */ |
| if (ADC_INJ_InitStruct->SequencerLength != LL_ADC_REG_SEQ_SCAN_DISABLE) |
| { |
| MODIFY_REG(ADCx->CFGR, |
| ADC_CFGR_JDISCEN |
| | ADC_CFGR_JAUTO |
| , |
| ADC_INJ_InitStruct->SequencerDiscont |
| | ADC_INJ_InitStruct->TrigAuto |
| ); |
| } |
| else |
| { |
| MODIFY_REG(ADCx->CFGR, |
| ADC_CFGR_JDISCEN |
| | ADC_CFGR_JAUTO |
| , |
| LL_ADC_REG_SEQ_DISCONT_DISABLE |
| | ADC_INJ_InitStruct->TrigAuto |
| ); |
| } |
| |
| MODIFY_REG(ADCx->JSQR, |
| ADC_JSQR_JEXTSEL |
| | ADC_JSQR_JEXTEN |
| | ADC_JSQR_JL |
| , |
| ADC_INJ_InitStruct->TriggerSource |
| | ADC_INJ_InitStruct->SequencerLength |
| ); |
| } |
| else |
| { |
| /* Initialization error: ADC instance is not disabled. */ |
| status = ERROR; |
| } |
| return status; |
| } |
| |
| /** |
| * @brief Set each @ref LL_ADC_INJ_InitTypeDef field to default value. |
| * @param ADC_INJ_InitStruct Pointer to a @ref LL_ADC_INJ_InitTypeDef structure |
| * whose fields will be set to default values. |
| * @retval None |
| */ |
| void LL_ADC_INJ_StructInit(LL_ADC_INJ_InitTypeDef *ADC_INJ_InitStruct) |
| { |
| /* Set ADC_INJ_InitStruct fields to default values */ |
| /* Set fields of ADC group injected */ |
| ADC_INJ_InitStruct->TriggerSource = LL_ADC_INJ_TRIG_SOFTWARE; |
| ADC_INJ_InitStruct->SequencerLength = LL_ADC_INJ_SEQ_SCAN_DISABLE; |
| ADC_INJ_InitStruct->SequencerDiscont = LL_ADC_INJ_SEQ_DISCONT_DISABLE; |
| ADC_INJ_InitStruct->TrigAuto = LL_ADC_INJ_TRIG_INDEPENDENT; |
| } |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* ADC1 || ADC2 || ADC3 */ |
| |
| /** |
| * @} |
| */ |
| |
| #endif /* USE_FULL_LL_DRIVER */ |
