/**
* @brief Handles DAC interrupt request
* @param hdac: pointer to a DAC_HandleTypeDef structure that contains
* the configuration information for the specified DAC.
* @retval None
*/
void HAL_DAC_IRQHandler(DAC_HandleTypeDef* hdac)
{
/* Check Overrun flag */
if(__HAL_DAC_GET_FLAG(hdac, DAC_FLAG_DMAUDR1))
{
/* Change DAC state to error state */
hdac->State = HAL_DAC_STATE_ERROR;
/* Set DAC error code to chanel1 DMA underrun error */
hdac->ErrorCode |= HAL_DAC_ERROR_DMAUNDERRUNCH1;
/* Clear the underrun flag */
__HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR1);
/* Disable the selected DAC channel1 DMA request */
hdac->Instance->CR &= ~DAC_CR_DMAEN1;
/* Error callback */
HAL_DAC_DMAUnderrunCallbackCh1(hdac);
}
else
{
/* Change DAC state to error state */
hdac->State = HAL_DAC_STATE_ERROR;
/* Set DAC error code to channel2 DMA underrun error */
hdac->ErrorCode |= HAL_DAC_ERROR_DMAUNDERRUNCH2;
/* Clear the underrun flag */
__HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR2);
/* Disable the selected DAC channel1 DMA request */
hdac->Instance->CR &= ~DAC_CR_DMAEN2;
/* Error callback */
HAL_DACEx_DMAUnderrunCallbackCh2(hdac);
}
}
/**
* @brief Handles DAC interrupt request
* This function uses the interruption of DMA
* underrun.
* @param hdac pointer to a DAC_HandleTypeDef structure that contains
* the configuration information for the specified DAC.
* @retval None
*/
void HAL_DAC_IRQHandler(struct __DAC_HandleTypeDef* hdac)
{
if(__HAL_DAC_GET_IT_SOURCE(hdac, DAC_IT_DMAUDR1))
{
/* Check underrun flag of DAC channel 1U */
if(__HAL_DAC_GET_FLAG(hdac, DAC_FLAG_DMAUDR1))
{
/* Change DAC state to error state */
hdac->State = HAL_DAC_STATE_ERROR;
/* Set DAC error code to chanel1 DMA underrun error */
SET_BIT(hdac->ErrorCode, HAL_DAC_ERROR_DMAUNDERRUNCH1);
/* Clear the underrun flag */
__HAL_DAC_CLEAR_FLAG(hdac,DAC_FLAG_DMAUDR1);
/* Disable the selected DAC channel1 DMA request */
CLEAR_BIT(hdac->Instance->CR, DAC_CR_DMAEN1);
/* Error callback */
HAL_DAC_DMAUnderrunCallbackCh1(hdac);
}
}
}
