diff options
Diffstat (limited to 'bsps/arm/stm32h7/hal/stm32h7xx_ll_adc.c')
| -rw-r--r-- | bsps/arm/stm32h7/hal/stm32h7xx_ll_adc.c | 1080 |
1 files changed, 1080 insertions, 0 deletions
diff --git a/bsps/arm/stm32h7/hal/stm32h7xx_ll_adc.c b/bsps/arm/stm32h7/hal/stm32h7xx_ll_adc.c new file mode 100644 index 0000000000..59c4b10ede --- /dev/null +++ b/bsps/arm/stm32h7/hal/stm32h7xx_ll_adc.c @@ -0,0 +1,1080 @@ +/**
+ ******************************************************************************
+ * @file stm32h7xx_ll_adc.c
+ * @author MCD Application Team
+ * @brief ADC LL module driver
+ ******************************************************************************
+ * @attention
+ *
+ * <h2><center>© Copyright (c) 2017 STMicroelectronics.
+ * All rights reserved.</center></h2>
+ *
+ * This software component is licensed by ST under BSD 3-Clause license,
+ * the "License"; You may not use this file except in compliance with the
+ * License. You may obtain a copy of the License at:
+ * opensource.org/licenses/BSD-3-Clause
+ *
+ ******************************************************************************
+ */
+#if defined(USE_FULL_LL_DRIVER)
+
+/* Includes ------------------------------------------------------------------*/
+#include "stm32h7xx_ll_adc.h"
+#include "stm32h7xx_ll_bus.h"
+
+#ifdef USE_FULL_ASSERT
+#include "stm32_assert.h"
+#else
+#define assert_param(expr) ((void)0U)
+#endif
+
+/** @addtogroup STM32H7xx_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 (PLL) with prescaler 1, */
+/* with highest ratio CPU clock frequency vs HSI clock frequency */
+/* 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_16B) \
+ || ((__RESOLUTION__) == LL_ADC_RESOLUTION_14B) \
+ || ((__RESOLUTION__) == LL_ADC_RESOLUTION_12B) \
+ || ((__RESOLUTION__) == LL_ADC_RESOLUTION_10B) \
+ || ((__RESOLUTION__) == LL_ADC_RESOLUTION_8B) \
+ )
+
+#define IS_LL_ADC_LEFT_BIT_SHIFT(__LEFT_BIT_SHIFT__) \
+ ( ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_NONE) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_1) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_2) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_3) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_4) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_5) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_6) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_7) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_8) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_9) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_10) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_11) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_12) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_13) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_14) \
+ || ((__LEFT_BIT_SHIFT__) == LL_ADC_LEFT_BIT_SHIFT_15) \
+ )
+
+#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_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_TIM3_TRGO) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM4_CH4) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_EXTI_LINE11) \
+ || ((__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_TIM1_TRGO) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM1_TRGO2) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM2_TRGO) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM4_TRGO) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM6_TRGO) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM15_TRGO) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM3_CH4) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_HRTIM_TRG1) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_HRTIM_TRG3) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_LPTIM1_OUT) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_LPTIM2_OUT) \
+ || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_LPTIM3_OUT) \
+ )
+
+#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_DATA_TRANSFER_MODE(__REG_DATA_TRANSFER_MODE__) \
+ ( ((__REG_DATA_TRANSFER_MODE__) == LL_ADC_REG_DR_TRANSFER) \
+ || ((__REG_DATA_TRANSFER_MODE__) == LL_ADC_REG_DMA_TRANSFER_LIMITED) \
+ || ((__REG_DATA_TRANSFER_MODE__) == LL_ADC_REG_DMA_TRANSFER_UNLIMITED) \
+ || ((__REG_DATA_TRANSFER_MODE__) == LL_ADC_REG_DFSDM_TRANSFER) \
+ )
+
+#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_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_CH4) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM4_TRGO) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_EXTI_LINE15) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM8_CH4) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM1_TRGO2) \
+ || ((__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_TIM3_CH3) \
+ || ((__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_TIM6_TRGO) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM15_TRGO) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_HRTIM_TRG2) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_HRTIM_TRG4) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_LPTIM1_OUT) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_LPTIM2_OUT) \
+ || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_LPTIM3_OUT) \
+ )
+
+#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) \
+ )
+
+/* 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_RES_32_10B) \
+ || ((__MULTI_DMA_TRANSFER__) == LL_ADC_MULTI_REG_DMA_RES_8B) \
+ )
+#define IS_LL_ADC_MULTI_TWOSMP_DELAY(__MULTI_TWOSMP_DELAY__) \
+ ( ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_1CYCLE_5) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_2CYCLES_5) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_3CYCLES_5) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_4CYCLES_5) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_4CYCLES_5_8_BITS) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_5CYCLES_5) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_5CYCLES_5_10_BITS) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_6CYCLES) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_6CYCLES_5) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_6CYCLES_5_12_BITS) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_7CYCLES_5) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_8CYCLES) \
+ || ((__MULTI_TWOSMP_DELAY__) == LL_ADC_MULTI_TWOSMP_DELAY_9CYCLES) \
+ )
+
+#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) \
+ )
+
+/**
+ * @}
+ */
+
+
+/* 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 serie, 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));
+
+ if(ADCxy_COMMON == ADC12_COMMON)
+ {
+ /* Force reset of ADC clock (core clock) */
+ LL_AHB1_GRP1_ForceReset(LL_AHB1_GRP1_PERIPH_ADC12);
+
+ /* Release reset of ADC clock (core clock) */
+ LL_AHB1_GRP1_ReleaseReset(LL_AHB1_GRP1_PERIPH_ADC12);
+ }
+ else
+ {
+#if defined (ADC3)
+ /* Force reset of ADC clock (core clock) */
+ LL_AHB4_GRP1_ForceReset(LL_AHB4_GRP1_PERIPH_ADC3);
+
+ /* Release reset of ADC clock (core clock) */
+ LL_AHB4_GRP1_ReleaseReset(LL_AHB4_GRP1_PERIPH_ADC3);
+#endif
+ }
+
+ 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));
+
+ 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));
+ }
+
+ /* 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) == 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 (ADC_CommonInitStruct->Multimode != LL_ADC_MULTI_INDEPENDENT)
+ {
+ MODIFY_REG(ADCxy_COMMON->CCR,
+ ADC_CCR_CKMODE
+ | ADC_CCR_PRESC
+ | ADC_CCR_DUAL
+ | ADC_CCR_DAMDF
+ | 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_DAMDF
+ | ADC_CCR_DELAY
+ ,
+ ADC_CommonInitStruct->CommonClock
+ | LL_ADC_MULTI_INDEPENDENT
+ );
+ }
+ }
+ 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;
+
+ /* 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_5;
+}
+
+/**
+ * @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 serie, 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 */
+ CLEAR_BIT(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_RES
+ | ADC_CFGR_DMNGT )
+ );
+
+ SET_BIT(ADCx->CFGR, ADC_CFGR_JQDIS);
+
+ /* Reset register CFGR2 */
+ CLEAR_BIT(ADCx->CFGR2,
+ ( ADC_CFGR2_LSHIFT | ADC_CFGR2_OVSR | ADC_CFGR2_RSHIFT1
+ | ADC_CFGR2_RSHIFT4 | ADC_CFGR2_RSHIFT3 | ADC_CFGR2_RSHIFT2
+ | ADC_CFGR2_RSHIFT1 | ADC_CFGR2_ROVSM | ADC_CFGR2_TROVS
+ | ADC_CFGR2_OVSS | 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_SMP19 | 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 */
+ CLEAR_BIT(ADCx->LTR1, ADC_LTR_LT);
+ SET_BIT(ADCx->HTR1, ADC_HTR_HT);
+
+ CLEAR_BIT(ADCx->LTR2, ADC_LTR_LT);
+ SET_BIT(ADCx->HTR2, ADC_HTR_HT);
+ CLEAR_BIT(ADCx->LTR3, ADC_LTR_LT);
+ SET_BIT(ADCx->HTR3, ADC_HTR_HT);
+
+ /* 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 | ADC_OFR1_OFFSET1_CH | ADC_OFR1_SSATE);
+ /* Reset register OFR2 */
+ CLEAR_BIT(ADCx->OFR2, ADC_OFR2_OFFSET2 | ADC_OFR2_OFFSET2_CH | ADC_OFR2_SSATE);
+ /* Reset register OFR3 */
+ CLEAR_BIT(ADCx->OFR3, ADC_OFR3_OFFSET3 | ADC_OFR3_OFFSET3_CH | ADC_OFR3_SSATE);
+ /* Reset register OFR4 */
+ CLEAR_BIT(ADCx->OFR4, ADC_OFR4_OFFSET4 | ADC_OFR4_OFFSET4_CH | ADC_OFR4_SSATE);
+
+ /* 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);
+
+ /* Reset register CALFACT2 */
+ CLEAR_BIT(ADCx->CALFACT2, ADC_CALFACT2_LINCALFACT);
+ }
+ 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 serie, 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 serie, 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_LEFT_BIT_SHIFT(ADC_InitStruct->LeftBitShift));
+ 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_AUTDLY
+ ,
+ ADC_InitStruct->Resolution
+ | ADC_InitStruct->LowPowerMode
+ );
+
+ MODIFY_REG(ADCx->CFGR2, ADC_CFGR2_LSHIFT, ADC_InitStruct->LeftBitShift);
+ }
+ 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_16B;
+ ADC_InitStruct->LeftBitShift = LL_ADC_LEFT_BIT_SHIFT_NONE;
+ 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));
+ }
+ assert_param(IS_LL_ADC_REG_CONTINUOUS_MODE(ADC_REG_InitStruct->ContinuousMode));
+ assert_param(IS_LL_ADC_REG_DATA_TRANSFER_MODE(ADC_REG_InitStruct->DataTransferMode));
+ 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 serie, 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_DMNGT
+ | ADC_CFGR_OVRMOD
+ ,
+ ADC_REG_InitStruct->TriggerSource
+ | ADC_REG_InitStruct->SequencerDiscont
+ | ADC_REG_InitStruct->ContinuousMode
+ | ADC_REG_InitStruct->DataTransferMode
+ | 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_DMNGT
+ | ADC_CFGR_OVRMOD
+ ,
+ ADC_REG_InitStruct->TriggerSource
+ | LL_ADC_REG_SEQ_DISCONT_DISABLE
+ | ADC_REG_InitStruct->ContinuousMode
+ | ADC_REG_InitStruct->DataTransferMode
+ | 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 serie, 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->DataTransferMode = LL_ADC_REG_DR_TRANSFER;
+ 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();
+ * @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 serie, 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 */
+
+/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
|