/**
  ******************************************************************************
  * @file    stm32g4xx_ll_comp.c
  * @author  MCD Application Team
  * @brief   COMP 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 "stm32g4xx_ll_comp.h"

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

/** @addtogroup STM32G4xx_LL_Driver
  * @{
  */



/** @addtogroup COMP_LL COMP
  * @{
  */

/* Private types -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private constants ---------------------------------------------------------*/
/* Private macros ------------------------------------------------------------*/

/** @addtogroup COMP_LL_Private_Macros
  * @{
  */

/* Check of parameters for configuration of COMP hierarchical scope:          */
/* COMP instance.                                                             */

/* Note: On this STM32 serie, comparator input plus parameters are            */
/*       the same on all COMP instances.                                      */
/*       However, comparator instance kept as macro parameter for             */
/*       compatibility with other STM32 families.                             */
#define IS_LL_COMP_INPUT_PLUS(__COMP_INSTANCE__, __INPUT_PLUS__)               \
  (   ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO1)                             \
   || ((__INPUT_PLUS__) == LL_COMP_INPUT_PLUS_IO2)                             \
  )
#if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx)
#define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__)           \
                  (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT)  || \
                   ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT)  || \
                   ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT)  || \
                   ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT)     || \
                   ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1)         || \
                   ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2)         || \
                   (((__COMP_INSTANCE__) == COMP1)                        && \
                    (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1)  || \
                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH1))     \
                   )                                                      || \
                   (((__COMP_INSTANCE__) == COMP2)                        && \
                    (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2)  || \
                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH2))     \
                   )                                                      || \
                   (((__COMP_INSTANCE__) == COMP3)                        && \
                    (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1)  || \
                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH1))     \
                   )                                                      || \
                   (((__COMP_INSTANCE__) == COMP4)                        && \
                    (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1)  || \
                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH2))     \
                   )                                                      || \
                   (((__COMP_INSTANCE__) == COMP5)                        && \
                    (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2)  || \
                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC4_CH1))     \
                   )                                                      || \
                   (((__COMP_INSTANCE__) == COMP6)                        && \
                    (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC2_CH1)  || \
                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC4_CH2))     \
                   )                                                      || \
                   (((__COMP_INSTANCE__) == COMP7)                        && \
                    (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC2_CH1)  || \
                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC4_CH1))     \
                   ))
#elif defined(STM32GBK1CB) || defined(STM32G431xx) || defined(STM32G441xx) || defined(STM32G471xx)
#define IS_LL_COMP_INPUT_MINUS(__COMP_INSTANCE__, __INPUT_MINUS__)           \
                  (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_4VREFINT)  || \
                   ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_1_2VREFINT)  || \
                   ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_3_4VREFINT)  || \
                   ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_VREFINT)     || \
                   ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO1)         || \
                   ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_IO2)         || \
                   (((__COMP_INSTANCE__) == COMP1)                        && \
                    (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1)  || \
                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH1))     \
                   )                                                      || \
                   (((__COMP_INSTANCE__) == COMP2)                        && \
                    (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH2)  || \
                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH2))     \
                   )                                                      || \
                   (((__COMP_INSTANCE__) == COMP3)                        && \
                    (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1)  || \
                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH1))     \
                   )                                                      || \
                   (((__COMP_INSTANCE__) == COMP4)                        && \
                    (((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC1_CH1)  || \
                    ((__INPUT_MINUS__) == LL_COMP_INPUT_MINUS_DAC3_CH2))     \
                   ))
#endif

#define IS_LL_COMP_INPUT_HYSTERESIS(__INPUT_HYSTERESIS__)                      \
  (   ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_NONE)                      \
   || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_10MV)                      \
   || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_20MV)                      \
   || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_30MV)                      \
   || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_40MV)                      \
   || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_50MV)                      \
   || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_60MV)                      \
   || ((__INPUT_HYSTERESIS__) == LL_COMP_HYSTERESIS_70MV)                      \
  )

#define IS_LL_COMP_OUTPUT_POLARITY(__POLARITY__)                               \
  (   ((__POLARITY__) == LL_COMP_OUTPUTPOL_NONINVERTED)                        \
   || ((__POLARITY__) == LL_COMP_OUTPUTPOL_INVERTED)                           \
  )

#if defined(STM32G474xx) || defined(STM32G484xx) || defined(STM32G473xx)
#define IS_LL_COMP_OUTPUT_BLANKING_SOURCE(__INSTANCE__, __OUTPUT_BLANKING_SOURCE__)  \
     ((((__INSTANCE__) == COMP1) &&                                                  \
      (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP1)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP1)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP1)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP1)))        \
      ||                                                                             \
      (((__INSTANCE__) == COMP2) &&                                                  \
      (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP2)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP2)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP2)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP2)))        \
      ||                                                                             \
      (((__INSTANCE__) == COMP3) &&                                                  \
      (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP3)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC4_COMP3)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP3)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP3)))        \
      ||                                                                             \
      (((__INSTANCE__) == COMP4) &&                                                  \
      (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP4)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC4_COMP4)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP4)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC1_COMP4)))       \
      ||                                                                             \
      (((__INSTANCE__) == COMP5) &&                                                  \
      (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP5)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP5)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP5)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP5)))        \
      ||                                                                             \
      (((__INSTANCE__) == COMP6) &&                                                  \
      (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP6)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC4_COMP6)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP6)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC2_COMP6)))       \
      ||                                                                             \
      (((__INSTANCE__) == COMP7) &&                                                  \
      (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP7)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP7)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP7)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC2_COMP7)))       \
      || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM20_OC5)             \
      || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC1)             \
      || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM4_OC3)              \
      )
#elif defined(STM32GBK1CB) || defined(STM32G431xx) || defined(STM32G441xx) || defined(STM32G471xx)
#define IS_LL_COMP_OUTPUT_BLANKING_SOURCE(__INSTANCE__, __OUTPUT_BLANKING_SOURCE__)  \
     ((((__INSTANCE__) == COMP1) &&                                                  \
      (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP1)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP1)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP1)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP1)))        \
      ||                                                                             \
      (((__INSTANCE__) == COMP2) &&                                                  \
      (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP2)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC3_COMP2)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP2)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP2)))        \
      ||                                                                             \
      (((__INSTANCE__) == COMP3) &&                                                  \
      (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP3)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM2_OC4_COMP3)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC3_COMP3)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP3)))        \
      ||                                                                             \
      (((__INSTANCE__) == COMP4) &&                                                  \
      (((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_NONE)            ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM1_OC5_COMP4)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM3_OC4_COMP4)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM8_OC5_COMP4)  ||      \
       ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC1_COMP4)))       \
      || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM15_OC1)             \
      || ((__OUTPUT_BLANKING_SOURCE__) == LL_COMP_BLANKINGSRC_TIM4_OC3)              \
      )
#endif
#define IS_LL_COMP_DEGLITCHER_MODE(__INSTANCE__, __DEGLITCHER__)               \
  (   ((__DEGLITCHER__) == LL_COMP_DEGLITCHER_DISABLED)                        \
   || ((__DEGLITCHER__) == LL_COMP_DEGLITCHER_ENABLED)                         \
  )

/**
  * @}
  */


/* Private function prototypes -----------------------------------------------*/

/* Exported functions --------------------------------------------------------*/
/** @addtogroup COMP_LL_Exported_Functions
  * @{
  */

/** @addtogroup COMP_LL_EF_Init
  * @{
  */

/**
  * @brief  De-initialize registers of the selected COMP instance
  *         to their default reset values.
  * @note   If comparator is locked, de-initialization by software is
  *         not possible.
  *         The only way to unlock the comparator is a device hardware reset.
  * @param  COMPx COMP instance
  * @retval An ErrorStatus enumeration value:
  *          - SUCCESS: COMP registers are de-initialized
  *          - ERROR: COMP registers are not de-initialized
  */
ErrorStatus LL_COMP_DeInit(COMP_TypeDef *COMPx)
{
  ErrorStatus status = SUCCESS;

  /* Check the parameters */
  assert_param(IS_COMP_ALL_INSTANCE(COMPx));

  /* Note: Hardware constraint (refer to description of this function):       */
  /*       COMP instance must not be locked.                                  */
  if (LL_COMP_IsLocked(COMPx) == 0UL)
  {
    LL_COMP_WriteReg(COMPx, CSR, 0x00000000UL);

  }
  else
  {
    /* Comparator instance is locked: de-initialization by software is         */
    /* not possible.                                                           */
    /* The only way to unlock the comparator is a device hardware reset.       */
    status = ERROR;
  }

  return status;
}

/**
  * @brief  Initialize some features of COMP instance.
  * @note   This function configures features of the selected COMP instance.
  *         Some features are also available at scope COMP common instance
  *         (common to several COMP instances).
  *         Refer to functions having argument "COMPxy_COMMON" as parameter.
  * @param  COMPx COMP instance
  * @param  COMP_InitStruct Pointer to a @ref LL_COMP_InitTypeDef structure
  * @retval An ErrorStatus enumeration value:
  *          - SUCCESS: COMP registers are initialized
  *          - ERROR: COMP registers are not initialized
  */
ErrorStatus LL_COMP_Init(COMP_TypeDef *COMPx, LL_COMP_InitTypeDef *COMP_InitStruct)
{
  ErrorStatus status = SUCCESS;

  /* Check the parameters */
  assert_param(IS_COMP_ALL_INSTANCE(COMPx));
  assert_param(IS_LL_COMP_INPUT_PLUS(COMPx, COMP_InitStruct->InputPlus));
  assert_param(IS_LL_COMP_INPUT_MINUS(COMPx, COMP_InitStruct->InputMinus));
  assert_param(IS_LL_COMP_INPUT_HYSTERESIS(COMP_InitStruct->InputHysteresis));
  assert_param(IS_LL_COMP_OUTPUT_POLARITY(COMP_InitStruct->OutputPolarity));
  assert_param(IS_LL_COMP_OUTPUT_BLANKING_SOURCE(COMPx, COMP_InitStruct->OutputBlankingSource));
  assert_param(IS_LL_COMP_DEGLITCHER_MODE(COMPx, COMP_InitStruct->DeglitcherMode));

  /* Note: Hardware constraint (refer to description of this function)        */
  /*       COMP instance must not be locked.                                  */
  if (LL_COMP_IsLocked(COMPx) == 0UL)
  {
    /* Configuration of comparator instance :                                 */
    /*  - InputPlus                                                           */
    /*  - InputMinus                                                          */
    /*  - InputHysteresis                                                     */
    /*  - OutputPolarity                                                      */
    /*  - OutputBlankingSource                                                */
    /*  - DeglitcherMode                                                      */
    MODIFY_REG(COMPx->CSR,
               COMP_CSR_INPSEL
               | COMP_CSR_SCALEN
               | COMP_CSR_BRGEN
               | COMP_CSR_INMSEL
               | COMP_CSR_HYST
               | COMP_CSR_POLARITY
               | COMP_CSR_BLANKING
               | COMP_CSR_DEGLITCHEN
               ,
               COMP_InitStruct->InputPlus
               | COMP_InitStruct->InputMinus
               | COMP_InitStruct->InputHysteresis
               | COMP_InitStruct->OutputPolarity
               | COMP_InitStruct->OutputBlankingSource
               | COMP_InitStruct->DeglitcherMode
              );

  }
  else
  {
    /* Initialization error: COMP instance is locked.                         */
    status = ERROR;
  }

  return status;
}

/**
  * @brief Set each @ref LL_COMP_InitTypeDef field to default value.
  * @param COMP_InitStruct Pointer to a @ref LL_COMP_InitTypeDef structure
  *                        whose fields will be set to default values.
  * @retval None
  */
void LL_COMP_StructInit(LL_COMP_InitTypeDef *COMP_InitStruct)
{
  /* Set COMP_InitStruct fields to default values */
  COMP_InitStruct->InputPlus            = LL_COMP_INPUT_PLUS_IO1;
  COMP_InitStruct->InputMinus           = LL_COMP_INPUT_MINUS_VREFINT;
  COMP_InitStruct->InputHysteresis      = LL_COMP_HYSTERESIS_NONE;
  COMP_InitStruct->OutputPolarity       = LL_COMP_OUTPUTPOL_NONINVERTED;
  COMP_InitStruct->OutputBlankingSource = LL_COMP_BLANKINGSRC_NONE;
  COMP_InitStruct->DeglitcherMode = LL_COMP_DEGLITCHER_DISABLED;
}

/**
  * @}
  */

/**
  * @}
  */

/**
  * @}
  */



/**
  * @}
  */

#endif /* USE_FULL_LL_DRIVER */

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