Thomas Lyp
Initial commit
Diff: mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_ll_adc.c
- Revision:
- 0:bb348c97df44
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-dev-master/targets/TARGET_STM/TARGET_STM32F4/device/stm32f4xx_ll_adc.c Wed Sep 16 01:11:49 2020 +0000
@@ -0,0 +1,932 @@
+/**
+ ******************************************************************************
+ * @file stm32f4xx_ll_adc.c
+ * @author MCD Application Team
+ * @brief ADC LL module driver
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2>
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ * 3. Neither the name of STMicroelectronics nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ ******************************************************************************
+ */
+#if defined(USE_FULL_LL_DRIVER)
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32f4xx_ll_adc.h"
+#include "stm32f4xx_ll_bus.h"
+
+#ifdef USE_FULL_ASSERT
+ #include "stm32_assert.h"
+#else
+ #define assert_param(expr) ((void)0U)
+#endif
+
+/** @addtogroup STM32F4xx_LL_Driver
+ * @{
+ */
+
+#if defined (ADC1) || defined (ADC2) || defined (ADC3)
+
+/** @addtogroup ADC_LL ADC
+ * @{
+ */
+
+/* Private types -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Private constants ---------------------------------------------------------*/
+/* 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_DIV2) \
+ || ((__CLOCK__) == LL_ADC_CLOCK_SYNC_PCLK_DIV4) \
+ || ((__CLOCK__) == LL_ADC_CLOCK_SYNC_PCLK_DIV6) \
+ || ((__CLOCK__) == LL_ADC_CLOCK_SYNC_PCLK_DIV8) \
+ )
+
+/* 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_SCAN_SELECTION(__SCAN_SELECTION__) \
+ ( ((__SCAN_SELECTION__) == LL_ADC_SEQ_SCAN_DISABLE) \
+ || ((__SCAN_SELECTION__) == LL_ADC_SEQ_SCAN_ENABLE) \
+ )
+
+#define IS_LL_ADC_SEQ_SCAN_MODE(__SEQ_SCAN_MODE__) \
+ ( ((__SCAN_MODE__) == LL_ADC_SEQ_SCAN_DISABLE) \
+ || ((__SCAN_MODE__) == LL_ADC_SEQ_SCAN_ENABLE) \
+ )
+
+/* 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_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_CH2) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM2_CH3) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM2_CH4) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM2_TRGO) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM3_CH1) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM3_TRGO) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM4_CH4) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM5_CH1) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM5_CH2) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM5_CH3) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM8_CH1) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM8_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_FLAG_EOC_SELECTION(__REG_FLAG_EOC_SELECTION__) \
+ ( ((__REG_FLAG_EOC_SELECTION__) == LL_ADC_REG_FLAG_EOC_SEQUENCE_CONV) \
+ || ((__REG_FLAG_EOC_SELECTION__) == LL_ADC_REG_FLAG_EOC_UNITARY_CONV) \
+ )
+
+#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_CH4) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM1_TRGO) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM2_CH1) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM2_TRGO) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM3_CH2) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM3_CH4) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM4_CH1) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM4_CH2) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM4_CH3) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM4_TRGO) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM5_CH4) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM5_TRGO) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM8_CH2) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM8_CH3) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM8_CH4) \
+ || ((__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. */
+#if defined(ADC3)
+#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) \
+ || ((__MULTI_MODE__) == LL_ADC_MULTI_TRIPLE_REG_SIM_INJ_SIM) \
+ || ((__MULTI_MODE__) == LL_ADC_MULTI_TRIPLE_REG_SIM_INJ_ALT) \
+ || ((__MULTI_MODE__) == LL_ADC_MULTI_TRIPLE_INJ_SIMULT) \
+ || ((__MULTI_MODE__) == LL_ADC_MULTI_TRIPLE_REG_SIMULT) \
+ || ((__MULTI_MODE__) == LL_ADC_MULTI_TRIPLE_REG_INTERL) \
+ || ((__MULTI_MODE__) == LL_ADC_MULTI_TRIPLE_INJ_ALTERN) \
+ )
+#else
+#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) \
+ )
+#endif
+
+#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_1) \
+ || ((__MULTI_DMA_TRANSFER__) == LL_ADC_MULTI_REG_DMA_LIMIT_2) \
+ || ((__MULTI_DMA_TRANSFER__) == LL_ADC_MULTI_REG_DMA_LIMIT_3) \
+ || ((__MULTI_DMA_TRANSFER__) == LL_ADC_MULTI_REG_DMA_UNLMT_1) \
+ || ((__MULTI_DMA_TRANSFER__) == LL_ADC_MULTI_REG_DMA_UNLMT_2) \
+ || ((__MULTI_DMA_TRANSFER__) == LL_ADC_MULTI_REG_DMA_UNLMT_3) \
+ )
+
+#define IS_LL_ADC_MULTI_TWOSMP_DELAY(__MULTI_TWOSMP_DELAY__) \
+ ( ((__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) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_13CYCLES) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_14CYCLES) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_15CYCLES) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_16CYCLES) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_17CYCLES) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_18CYCLES) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_19CYCLES) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_20CYCLES) \
+ )
+
+#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.
+ * @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));
+
+
+ /* Force reset of ADC clock (core clock) */
+ LL_APB2_GRP1_ForceReset(LL_APB2_GRP1_PERIPH_ADC);
+
+ /* Release reset of ADC clock (core clock) */
+ LL_APB2_GRP1_ReleaseReset(LL_APB2_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 serie, 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) == 0U)
+ {
+ /* 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_ADCPRE
+ | ADC_CCR_MULTI
+ | ADC_CCR_DMA
+ | ADC_CCR_DDS
+ | ADC_CCR_DELAY
+ ,
+ ADC_CommonInitStruct->CommonClock
+ | ADC_CommonInitStruct->Multimode
+ | ADC_CommonInitStruct->MultiDMATransfer
+ | ADC_CommonInitStruct->MultiTwoSamplingDelay
+ );
+ }
+ else
+ {
+ MODIFY_REG(ADCxy_COMMON->CCR,
+ ADC_CCR_ADCPRE
+ | ADC_CCR_MULTI
+ | ADC_CCR_DMA
+ | ADC_CCR_DDS
+ | 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_5CYCLES;
+#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().
+ * @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;
+
+ /* Check the parameters */
+ assert_param(IS_ADC_ALL_INSTANCE(ADCx));
+
+ /* Disable ADC instance if not already disabled. */
+ if(LL_ADC_IsEnabled(ADCx) == 1U)
+ {
+ /* 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);
+
+ /* 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);
+
+ /* Disable the ADC instance */
+ LL_ADC_Disable(ADCx);
+ }
+
+ /* Check whether ADC state is compliant with expected state */
+ /* (hardware requirements of bits state to reset registers below) */
+ if(READ_BIT(ADCx->CR2, ADC_CR2_ADON) == 0U)
+ {
+ /* ========== Reset ADC registers ========== */
+ /* Reset register SR */
+ CLEAR_BIT(ADCx->SR,
+ ( LL_ADC_FLAG_STRT
+ | LL_ADC_FLAG_JSTRT
+ | LL_ADC_FLAG_EOCS
+ | LL_ADC_FLAG_OVR
+ | LL_ADC_FLAG_JEOS
+ | LL_ADC_FLAG_AWD1 )
+ );
+
+ /* Reset register CR1 */
+ CLEAR_BIT(ADCx->CR1,
+ ( ADC_CR1_OVRIE | ADC_CR1_RES | ADC_CR1_AWDEN
+ | ADC_CR1_JAWDEN
+ | ADC_CR1_DISCNUM | ADC_CR1_JDISCEN | ADC_CR1_DISCEN
+ | ADC_CR1_JAUTO | ADC_CR1_AWDSGL | ADC_CR1_SCAN
+ | ADC_CR1_JEOCIE | ADC_CR1_AWDIE | ADC_CR1_EOCIE
+ | ADC_CR1_AWDCH )
+ );
+
+ /* Reset register CR2 */
+ CLEAR_BIT(ADCx->CR2,
+ ( ADC_CR2_SWSTART | ADC_CR2_EXTEN | ADC_CR2_EXTSEL
+ | ADC_CR2_JSWSTART | ADC_CR2_JEXTEN | ADC_CR2_JEXTSEL
+ | ADC_CR2_ALIGN | ADC_CR2_EOCS
+ | ADC_CR2_DDS | ADC_CR2_DMA
+ | ADC_CR2_CONT | ADC_CR2_ADON )
+ );
+
+ /* Reset register SMPR1 */
+ CLEAR_BIT(ADCx->SMPR1,
+ ( ADC_SMPR1_SMP18 | ADC_SMPR1_SMP17 | ADC_SMPR1_SMP16
+ | ADC_SMPR1_SMP15 | ADC_SMPR1_SMP14 | ADC_SMPR1_SMP13
+ | ADC_SMPR1_SMP12 | ADC_SMPR1_SMP11 | ADC_SMPR1_SMP10)
+ );
+
+ /* Reset register SMPR2 */
+ CLEAR_BIT(ADCx->SMPR2,
+ ( ADC_SMPR2_SMP9
+ | ADC_SMPR2_SMP8 | ADC_SMPR2_SMP7 | ADC_SMPR2_SMP6
+ | ADC_SMPR2_SMP5 | ADC_SMPR2_SMP4 | ADC_SMPR2_SMP3
+ | ADC_SMPR2_SMP2 | ADC_SMPR2_SMP1 | ADC_SMPR2_SMP0)
+ );
+
+ /* Reset register JOFR1 */
+ CLEAR_BIT(ADCx->JOFR1, ADC_JOFR1_JOFFSET1);
+ /* Reset register JOFR2 */
+ CLEAR_BIT(ADCx->JOFR2, ADC_JOFR2_JOFFSET2);
+ /* Reset register JOFR3 */
+ CLEAR_BIT(ADCx->JOFR3, ADC_JOFR3_JOFFSET3);
+ /* Reset register JOFR4 */
+ CLEAR_BIT(ADCx->JOFR4, ADC_JOFR4_JOFFSET4);
+
+ /* Reset register HTR */
+ SET_BIT(ADCx->HTR, ADC_HTR_HT);
+ /* Reset register LTR */
+ CLEAR_BIT(ADCx->LTR, ADC_LTR_LT);
+
+ /* Reset register SQR1 */
+ CLEAR_BIT(ADCx->SQR1,
+ ( ADC_SQR1_L
+ | ADC_SQR1_SQ16
+ | ADC_SQR1_SQ15 | ADC_SQR1_SQ14 | ADC_SQR1_SQ13)
+ );
+
+ /* Reset register SQR2 */
+ CLEAR_BIT(ADCx->SQR2,
+ ( ADC_SQR2_SQ12 | ADC_SQR2_SQ11 | ADC_SQR2_SQ10
+ | ADC_SQR2_SQ9 | ADC_SQR2_SQ8 | ADC_SQR2_SQ7)
+ );
+
+
+ /* Reset register JSQR */
+ CLEAR_BIT(ADCx->JSQR,
+ ( ADC_JSQR_JL
+ | ADC_JSQR_JSQ4 | ADC_JSQR_JSQ3
+ | ADC_JSQR_JSQ2 | ADC_JSQR_JSQ1 )
+ );
+
+ /* Reset register DR */
+ /* bits in access mode read only, no direct reset applicable */
+
+ /* Reset registers JDR1, JDR2, JDR3, JDR4 */
+ /* bits in access mode read only, no direct reset applicable */
+
+ /* Reset register CCR */
+ CLEAR_BIT(ADC->CCR, ADC_CCR_TSVREFE | ADC_CCR_ADCPRE);
+ }
+
+ 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_SCAN_SELECTION(ADC_InitStruct->SequencersScanMode));
+
+ /* Note: Hardware constraint (refer to description of this function): */
+ /* ADC instance must be disabled. */
+ if(LL_ADC_IsEnabled(ADCx) == 0U)
+ {
+ /* Configuration of ADC hierarchical scope: */
+ /* - ADC instance */
+ /* - Set ADC data resolution */
+ /* - Set ADC conversion data alignment */
+ MODIFY_REG(ADCx->CR1,
+ ADC_CR1_RES
+ | ADC_CR1_SCAN
+ ,
+ ADC_InitStruct->Resolution
+ | ADC_InitStruct->SequencersScanMode
+ );
+
+ MODIFY_REG(ADCx->CR2,
+ ADC_CR2_ALIGN
+ ,
+ ADC_InitStruct->DataAlignment
+ );
+
+ }
+ 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;
+
+ /* Enable scan mode to have a generic behavior with ADC of other */
+ /* STM32 families, without this setting available: */
+ /* ADC group regular sequencer and ADC group injected sequencer depend */
+ /* only of their own configuration. */
+ ADC_InitStruct->SequencersScanMode = LL_ADC_SEQ_SCAN_ENABLE;
+
+}
+
+/**
+ * @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));
+ }
+ assert_param(IS_LL_ADC_REG_CONTINUOUS_MODE(ADC_REG_InitStruct->ContinuousMode));
+ assert_param(IS_LL_ADC_REG_DMA_TRANSFER(ADC_REG_InitStruct->DMATransfer));
+
+ /* Note: Hardware constraint (refer to description of this function): */
+ /* ADC instance must be disabled. */
+ if(LL_ADC_IsEnabled(ADCx) == 0U)
+ {
+ /* 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 */
+ /* Note: On this STM32 serie, ADC trigger edge is set when starting */
+ /* ADC conversion. */
+ /* Refer to function @ref LL_ADC_REG_StartConversionExtTrig(). */
+ if(ADC_REG_InitStruct->SequencerLength != LL_ADC_REG_SEQ_SCAN_DISABLE)
+ {
+ MODIFY_REG(ADCx->CR1,
+ ADC_CR1_DISCEN
+ | ADC_CR1_DISCNUM
+ ,
+ ADC_REG_InitStruct->SequencerLength
+ | ADC_REG_InitStruct->SequencerDiscont
+ );
+ }
+ else
+ {
+ MODIFY_REG(ADCx->CR1,
+ ADC_CR1_DISCEN
+ | ADC_CR1_DISCNUM
+ ,
+ ADC_REG_InitStruct->SequencerLength
+ | LL_ADC_REG_SEQ_DISCONT_DISABLE
+ );
+ }
+
+ MODIFY_REG(ADCx->CR2,
+ ADC_CR2_EXTSEL
+ | ADC_CR2_EXTEN
+ | ADC_CR2_CONT
+ | ADC_CR2_DMA
+ | ADC_CR2_DDS
+ ,
+ (ADC_REG_InitStruct->TriggerSource & ADC_CR2_EXTSEL)
+ | ADC_REG_InitStruct->ContinuousMode
+ | ADC_REG_InitStruct->DMATransfer
+ );
+
+ /* Set ADC group regular sequencer length and scan direction */
+ /* Note: Hardware constraint (refer to description of this function): */
+ /* Note: If ADC instance feature scan mode is disabled */
+ /* (refer to ADC instance initialization structure */
+ /* parameter @ref SequencersScanMode */
+ /* or function @ref LL_ADC_SetSequencersScanMode() ), */
+ /* this parameter is discarded. */
+ 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 serie, ADC trigger edge is set when starting */
+ /* ADC conversion. */
+ /* Refer to function @ref LL_ADC_REG_StartConversionExtTrig(). */
+ 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;
+}
+
+/**
+ * @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();
+ * @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) == 0U)
+ {
+ /* 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 serie, ADC trigger edge is set when starting */
+ /* ADC conversion. */
+ /* Refer to function @ref LL_ADC_INJ_StartConversionExtTrig(). */
+ if(ADC_INJ_InitStruct->SequencerLength != LL_ADC_REG_SEQ_SCAN_DISABLE)
+ {
+ MODIFY_REG(ADCx->CR1,
+ ADC_CR1_JDISCEN
+ | ADC_CR1_JAUTO
+ ,
+ ADC_INJ_InitStruct->SequencerDiscont
+ | ADC_INJ_InitStruct->TrigAuto
+ );
+ }
+ else
+ {
+ MODIFY_REG(ADCx->CR1,
+ ADC_CR1_JDISCEN
+ | ADC_CR1_JAUTO
+ ,
+ LL_ADC_REG_SEQ_DISCONT_DISABLE
+ | ADC_INJ_InitStruct->TrigAuto
+ );
+ }
+
+ MODIFY_REG(ADCx->CR2,
+ ADC_CR2_JEXTSEL
+ | ADC_CR2_JEXTEN
+ ,
+ (ADC_INJ_InitStruct->TriggerSource & ADC_CR2_JEXTSEL)
+ );
+
+ /* Note: Hardware constraint (refer to description of this function): */
+ /* Note: If ADC instance feature scan mode is disabled */
+ /* (refer to ADC instance initialization structure */
+ /* parameter @ref SequencersScanMode */
+ /* or function @ref LL_ADC_SetSequencersScanMode() ), */
+ /* this parameter is discarded. */
+ LL_ADC_INJ_SetSequencerLength(ADCx, 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 */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/