C++ (Cpp) HAL_RNG_MspDeInit 예제들

예제 #1

파일: stm32f7xx_hal_rng.c 프로젝트: 8bitgeek/caribou-rtos

/**
  * @brief  DeInitializes the RNG peripheral. 
  * @param  hrng: pointer to a RNG_HandleTypeDef structure that contains
  *                the configuration information for RNG.
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_RNG_DeInit(RNG_HandleTypeDef *hrng)
{ 
  /* Check the RNG handle allocation */
  if(hrng == NULL)
  {
    return HAL_ERROR;
  }
  /* Disable the RNG Peripheral */
  CLEAR_BIT(hrng->Instance->CR, RNG_CR_IE | RNG_CR_RNGEN);
  
  /* Clear RNG interrupt status flags */
  CLEAR_BIT(hrng->Instance->SR, RNG_SR_CEIS | RNG_SR_SEIS);
  
  /* DeInit the low level hardware */
  HAL_RNG_MspDeInit(hrng);
  
  /* Update the RNG state */
  hrng->State = HAL_RNG_STATE_RESET; 

  /* Release Lock */
  __HAL_UNLOCK(hrng);
  
  /* Return the function status */
  return HAL_OK;
}

예제 #2

파일: stm32f4xx_hal_rng.c 프로젝트: 1deus/tmk_keyboard

/**
  * @brief  DeInitializes the RNG peripheral. 
  * @param  hrng: pointer to a RNG_HandleTypeDef structure that contains
  *                the configuration information for RNG.
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_RNG_DeInit(RNG_HandleTypeDef *hrng)
{ 
  /* Check the RNG peripheral state */
  if(hrng->State == HAL_RNG_STATE_BUSY)
  {
    return HAL_BUSY;
  }
  
  /* Update the RNG state */  
  hrng->State = HAL_RNG_STATE_BUSY;
  
  /* Disable the RNG Peripheral */
  __HAL_RNG_DISABLE(hrng);
  
  /* Set the RNG registers to their reset values */
  hrng->Instance->CR &= 0xFFFFFFF3;
  hrng->Instance->SR &= 0xFFFFFF98;
  hrng->Instance->DR &= 0x0;
  
  /* DeInit the low level hardware */
  HAL_RNG_MspDeInit(hrng);
  
  /* Update the RNG state */
  hrng->State = HAL_RNG_STATE_RESET; 

  /* Release Lock */
  __HAL_UNLOCK(hrng);
  
  /* Return the function status */
  return HAL_OK;
}

예제 #3

파일: stm32h7xx_hal_rng.c 프로젝트: toyowata/mbed

/**
  * @brief  DeInitializes the RNG peripheral.
  * @param  hrng pointer to a RNG_HandleTypeDef structure that contains
  *                the configuration information for RNG.
  * @retval HAL status
  */
HAL_StatusTypeDef HAL_RNG_DeInit(RNG_HandleTypeDef *hrng)
{
  /* Check the RNG handle allocation */
  if (hrng == NULL)
  {
    return HAL_ERROR;
  }

  /* Clear Clock Error Detection bit */
  CLEAR_BIT(hrng->Instance->CR, RNG_CR_CED);
  /* Disable the RNG Peripheral */
  CLEAR_BIT(hrng->Instance->CR, RNG_CR_IE | RNG_CR_RNGEN);

  /* Clear RNG interrupt status flags */
  CLEAR_BIT(hrng->Instance->SR, RNG_SR_CEIS | RNG_SR_SEIS);

#if (USE_HAL_RNG_REGISTER_CALLBACKS == 1)
  if (hrng->MspDeInitCallback == NULL)
  {
    hrng->MspDeInitCallback = HAL_RNG_MspDeInit; /* Legacy weak MspDeInit  */
  }

  /* DeInit the low level hardware */
  hrng->MspDeInitCallback(hrng);
#else
  /* DeInit the low level hardware */
  HAL_RNG_MspDeInit(hrng);
#endif /* USE_HAL_RNG_REGISTER_CALLBACKS */

  /* Update the RNG state */
  hrng->State = HAL_RNG_STATE_RESET;

  /* Initialise the error code */
  hrng->ErrorCode = HAL_RNG_ERROR_NONE;

  /* Release Lock */
  __HAL_UNLOCK(hrng);

  /* Return the function status */
  return HAL_OK;
}