C++ (Cpp) HAL_CRC_MspDeInit Exemples

Exemple #1

Fichier : stm32f3xx_hal_crc.c Projet : 23chrischen/mbed

/**
  * @brief  DeInitializes the CRC peripheral. 
  * @param  hcrc: CRC handle
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_CRC_DeInit(CRC_HandleTypeDef *hcrc)
{ 
  /* Check the CRC handle allocation */
  if(hcrc == NULL)
  {
    return HAL_ERROR;
  }
  
  /* Check the parameters */
  assert_param(IS_CRC_ALL_INSTANCE(hcrc->Instance));
  
  /* Check the CRC peripheral state */
  if(hcrc->State == HAL_CRC_STATE_BUSY)
  {
    return HAL_BUSY;
  }
  
  /* Change CRC peripheral state */
  hcrc->State = HAL_CRC_STATE_BUSY;

  /* DeInit the low level hardware */
  HAL_CRC_MspDeInit(hcrc);

  /* Change CRC peripheral state */
  hcrc->State = HAL_CRC_STATE_RESET;

  /* Process unlocked */
  __HAL_UNLOCK(hcrc);

  /* Return function status */
  return HAL_OK;
}

Exemple #2

Fichier : stm32l1xx_hal_crc.c Projet : AlessandroA/mbed

/**
  * @brief  DeInitializes the CRC peripheral.
  * @param  hcrc: pointer to a CRC_HandleTypeDef structure that contains
  *         the configuration information for CRC
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_CRC_DeInit(CRC_HandleTypeDef *hcrc)
{
  /* Check the CRC handle allocation */
  if(hcrc == NULL)
  {
    return HAL_ERROR;
  }

  /* Check the parameters */
  assert_param(IS_CRC_ALL_INSTANCE(hcrc->Instance));

  /* Change CRC peripheral state */
  hcrc->State = HAL_CRC_STATE_BUSY;
  
  /* Reset IDR register content */
  CLEAR_BIT(hcrc->Instance->IDR, CRC_IDR_IDR) ;

  /* DeInit the low level hardware */
  HAL_CRC_MspDeInit(hcrc);

  /* Change CRC peripheral state */
  hcrc->State = HAL_CRC_STATE_RESET;

  /* Release Lock */
  __HAL_UNLOCK(hcrc);

  /* Return function status */
  return HAL_OK;
}