projekt_wuest_steiner/stepper/steppermotor/Drivers/STM32L1xx_HAL_Driver/Src/stm32l1xx_ll_adc.c

/**
  ******************************************************************************
  * @file    stm32l1xx_ll_adc.c
  * @author  MCD Application Team
  * @brief   ADC LL module driver
  ******************************************************************************
  * @attention
  *
  * <h2><center>&copy; 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 "stm32l1xx_ll_adc.h"
#include "stm32l1xx_ll_bus.h"

#ifdef  USE_FULL_ASSERT
  #include "stm32_assert.h"
#else
  #define assert_param(expr) ((void)0U)
#endif

/** @addtogroup STM32L1xx_LL_Driver
  * @{
  */

#if defined (ADC1)

/** @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_ASYNC_DIV1)                                 \
   || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV2)                                 \
   || ((__CLOCK__) == LL_ADC_CLOCK_ASYNC_DIV4)                                 \
  )

/* 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_AUTOWAIT(__LOW_POWER__)                            \
  (   ((__LOW_POWER__) == LL_ADC_LP_AUTOWAIT_NONE)                             \
   || ((__LOW_POWER__) == LL_ADC_LP_AUTOWAIT)                                  \
   || ((__LOW_POWER__) == LL_ADC_LP_AUTOWAIT_7_APBCLOCKCYCLES)                 \
   || ((__LOW_POWER__) == LL_ADC_LP_AUTOWAIT_15_APBCLOCKCYCLES)                \
   || ((__LOW_POWER__) == LL_ADC_LP_AUTOWAIT_31_APBCLOCKCYCLES)                \
   || ((__LOW_POWER__) == LL_ADC_LP_AUTOWAIT_63_APBCLOCKCYCLES)                \
   || ((__LOW_POWER__) == LL_ADC_LP_AUTOWAIT_127_APBCLOCKCYCLES)               \
   || ((__LOW_POWER__) == LL_ADC_LP_AUTOWAIT_255_APBCLOCKCYCLES)               \
  )

#define IS_LL_ADC_LOW_POWER_AUTOPOWEROFF(__LOW_POWER__)                        \
  (   ((__LOW_POWER__) == LL_ADC_LP_AUTOPOWEROFF_NONE)                         \
   || ((__LOW_POWER__) == LL_ADC_LP_AUTOPOWEROFF_IDLE_PHASE)                   \
   || ((__LOW_POWER__) == LL_ADC_LP_AUTOPOWEROFF_AUTOWAIT_PHASE)               \
   || ((__LOW_POWER__) == LL_ADC_LP_AUTOPOWEROFF_IDLE_AUTOWAIT_PHASES)         \
  )

#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)                              \
  )

#define IS_LL_ADC_CHANNELS_BANK(__CHANNELS_BANK__)                             \
  (   ((__CHANNELS_BANK__) == LL_ADC_CHANNELS_BANK_A)                          \
   || ((__CHANNELS_BANK__) == LL_ADC_CHANNELS_BANK_B)                          \
  )

/* 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_TIM2_TRGO)                 \
   || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM2_CH3)                  \
   || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM3_TRGO)                 \
   || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM2_CH2)                  \
   || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM3_CH1)                  \
   || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM3_CH3)                  \
   || ((__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_TIM9_CH2)                  \
   || ((__REG_TRIG_SOURCE__) == LL_ADC_REG_TRIG_EXT_TIM9_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_TIM9_CH1)                  \
   || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM9_TRGO)                 \
   || ((__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_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_TIM10_CH1)                 \
   || ((__INJ_TRIG_SOURCE__) == LL_ADC_INJ_TRIG_EXT_TIM7_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)             \
  )

/**
  * @}
  */


/* 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_ADC1);
  
  /* Release reset of ADC clock (core clock) */
  LL_APB2_GRP1_ReleaseReset(LL_APB2_GRP1_PERIPH_ADC1);
  
  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));
  
  /* Note: Hardware constraint (refer to description of functions             */
  /*       "LL_ADC_SetCommonXXX()":                                           */
  /*       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)                                  */
    LL_ADC_SetCommonClock(ADCxy_COMMON, ADC_CommonInitStruct->CommonClock);
  }
  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_ASYNC_DIV2;
  
}

/**
  * @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_PDI     | ADC_CR1_PDD
               | 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 */
    #if defined(ADC_CR2_CFG)
    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_DELS
               | ADC_CR2_CFG      | ADC_CR2_CONT   | ADC_CR2_ADON   )
             );
    #else
    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_DELS
               | ADC_CR2_CONT     | ADC_CR2_ADON                    )
             );
    #endif /* ADC_CR2_CFG */
    
    /* Reset register SMPR1 */
    /* Note: On STM32L1, ADC channels 27, 28, 29, 30, 31 are not available    */
    /*       on all devices: only on STM32L1 Cat.4 and Cat.5.                 */
    #if defined(ADC_SMPR0_SMP31)
    CLEAR_BIT(ADCx->SMPR1,
              (  ADC_SMPR1_SMP29 | ADC_SMPR1_SMP28 | ADC_SMPR1_SMP27
               | ADC_SMPR1_SMP26 | ADC_SMPR1_SMP25 | ADC_SMPR1_SMP24
               | ADC_SMPR1_SMP23 | ADC_SMPR1_SMP22 | ADC_SMPR1_SMP21
               | ADC_SMPR1_SMP20                                    )
             );
    #else
    CLEAR_BIT(ADCx->SMPR1,
              (  ADC_SMPR1_SMP26 | ADC_SMPR1_SMP25 | ADC_SMPR1_SMP24
               | ADC_SMPR1_SMP23 | ADC_SMPR1_SMP22 | ADC_SMPR1_SMP21
               | ADC_SMPR1_SMP20                                    )
             );
    #endif /* ADC_SMPR0_SMP31 */
    
    /* 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 SMPR3 */
    CLEAR_BIT(ADCx->SMPR3,
              (  ADC_SMPR3_SMP9 | ADC_SMPR3_SMP8 | ADC_SMPR3_SMP7
               | ADC_SMPR3_SMP6 | ADC_SMPR3_SMP5 | ADC_SMPR3_SMP4
               | ADC_SMPR3_SMP3 | ADC_SMPR3_SMP2 | ADC_SMPR3_SMP1
               | ADC_SMPR3_SMP0                                  )
             );
    
    #if defined(ADC_SMPR0_SMP31)
    /* Reset register SMPR0 */
    CLEAR_BIT(ADCx->SMPR0, (ADC_SMPR0_SMP31 | ADC_SMPR0_SMP30));
    #endif /* ADC_SMPR0_SMP31 */
    
    /* 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
    #if defined(ADC_SQR1_SQ28)
               | ADC_SQR1_SQ28 | ADC_SQR1_SQ27
    #endif
               | ADC_SQR1_SQ26 | ADC_SQR1_SQ25)
             );
    
    /* Reset register SQR2 */
    CLEAR_BIT(ADCx->SQR2,
              (  ADC_SQR2_SQ24 | ADC_SQR2_SQ23 | ADC_SQR2_SQ22
               | ADC_SQR2_SQ21 | ADC_SQR2_SQ20 | ADC_SQR2_SQ19)
             );
    
    /* Reset register SQR3 */
    CLEAR_BIT(ADCx->SQR3,
              (  ADC_SQR3_SQ18 | ADC_SQR3_SQ17 | ADC_SQR3_SQ16
               | ADC_SQR3_SQ15 | ADC_SQR3_SQ14 | ADC_SQR3_SQ13)
             );
    
    /* Reset register SQR4 */
    CLEAR_BIT(ADCx->SQR4,
              (  ADC_SQR4_SQ12 | ADC_SQR4_SQ11 | ADC_SQR4_SQ10
               | ADC_SQR4_SQ9  | ADC_SQR4_SQ8  | ADC_SQR4_SQ7 )
             );
    
    /* Reset register SQR5 */
    CLEAR_BIT(ADCx->SQR5,
              (  ADC_SQR5_SQ6 | ADC_SQR5_SQ5 | ADC_SQR5_SQ4
               | ADC_SQR5_SQ3 | ADC_SQR5_SQ2 | ADC_SQR5_SQ1 )
             );
    
    
    /* 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));
  /* Note: On STM32L1, low power feature is set by concatenating              */
  /*       values of @ref ADC_LL_EC_LP_MODE_AUTOWAIT                          */
  /*       and @ref ADC_LL_EC_LP_MODE_AUTOPOWEROFF.                           */
  /*       Check of the parameter is done for each of group of values,        */
  /*       by excluding the other group of values.                            */
  assert_param(IS_LL_ADC_LOW_POWER_AUTOWAIT(ADC_InitStruct->LowPowerMode & ~(ADC_CR1_PDI | ADC_CR1_PDD)));
  assert_param(IS_LL_ADC_LOW_POWER_AUTOPOWEROFF(ADC_InitStruct->LowPowerMode & ~(ADC_CR2_DELS)));
  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                                 */
    /*    - Set ADC low power mode                                            */
    MODIFY_REG(ADCx->CR1,
                 ADC_CR1_RES
               | ADC_CR1_PDI
               | ADC_CR1_PDD
               | ADC_CR1_SCAN
              ,
                 ADC_InitStruct->Resolution
               | (ADC_InitStruct->LowPowerMode & (ADC_CR1_PDI | ADC_CR1_PDD))
               | ADC_InitStruct->SequencersScanMode
              );
    
    MODIFY_REG(ADCx->CR2,
                 ADC_CR2_ALIGN
               | ADC_CR2_DELS
              ,
                 ADC_InitStruct->DataAlignment
               | (ADC_InitStruct->LowPowerMode & ADC_CR2_DELS)
              );

  }
  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_AUTOWAIT_NONE | LL_ADC_LP_AUTOPOWEROFF_NONE);
  
  /* 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 */

/**
  * @}
  */

#endif /* USE_FULL_LL_DRIVER */

/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/