/**
  * @brief  DMA conversion complete callback. 
  * @param  hdma: pointer to a DMA_HandleTypeDef structure that contains
  *                the configuration information for the specified DMA module.
  * @retval None
  */
static void DCMI_DMAConvCplt(DMA_HandleTypeDef *hdma)
{
  uint32_t tmp = 0;
 
  DCMI_HandleTypeDef* hdcmi = ( DCMI_HandleTypeDef* )((DMA_HandleTypeDef* )hdma)->Parent;
  hdcmi->State= HAL_DCMI_STATE_READY;

  if(hdcmi->XferCount != 0)
  {
    /* Update memory 0 address location */
    tmp = ((hdcmi->DMA_Handle->Instance->CR) & DMA_SxCR_CT);
    if(((hdcmi->XferCount % 2) == 0) && (tmp != 0))
    {
      tmp = hdcmi->DMA_Handle->Instance->M0AR;
      HAL_DMAEx_ChangeMemory(hdcmi->DMA_Handle, (tmp + (8*hdcmi->XferSize)), MEMORY0);
      hdcmi->XferCount--;
    }
    /* Update memory 1 address location */
    else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) == 0)
    {
      tmp = hdcmi->DMA_Handle->Instance->M1AR;
      HAL_DMAEx_ChangeMemory(hdcmi->DMA_Handle, (tmp + (8*hdcmi->XferSize)), MEMORY1);
      hdcmi->XferCount--;
    }
  }
  /* Update memory 0 address location */
  else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) != 0)
  {
    hdcmi->DMA_Handle->Instance->M0AR = hdcmi->pBuffPtr;
  }
  /* Update memory 1 address location */
  else if((hdcmi->DMA_Handle->Instance->CR & DMA_SxCR_CT) == 0)
  {
    tmp = hdcmi->pBuffPtr;
    hdcmi->DMA_Handle->Instance->M1AR = (tmp + (4*hdcmi->XferSize));
    hdcmi->XferCount = hdcmi->XferTransferNumber;
  }

  if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_FRAMERI) != RESET)
  {
    /* Process Unlocked */
    __HAL_UNLOCK(hdcmi);

    /* FRAME Callback */
    HAL_DCMI_FrameEventCallback(hdcmi);
  }
}
/**
  * @brief  Handles DCMI interrupt request.
  * @param  hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
  *                the configuration information for the DCMI.
  * @retval None
  */
void HAL_DCMI_IRQHandler(DCMI_HandleTypeDef *hdcmi)
{  
  /* Synchronization error interrupt management *******************************/
  if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_ERRRI) != RESET)
  {
    if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_ERR) != RESET)
    {
      /* Disable the Synchronization error interrupt */
      __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_ERR); 

      /* Clear the Synchronization error flag */
      __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_ERRRI);

      /* Update error code */
      hdcmi->ErrorCode |= HAL_DCMI_ERROR_SYNC;

      /* Change DCMI state */
      hdcmi->State = HAL_DCMI_STATE_ERROR;

      /* Process Unlocked */
      __HAL_UNLOCK(hdcmi);

      /* Abort the DMA Transfer */
      HAL_DMA_Abort(hdcmi->DMA_Handle);
      
      /* Synchronization error Callback */
      HAL_DCMI_ErrorCallback(hdcmi);
    }
  }
  /* Overflow interrupt management ********************************************/
  if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_OVFRI) != RESET) 
  {
    if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_OVF) != RESET)
    {
      /* Disable the Overflow interrupt */
      __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_OVF);

      /* Clear the Overflow flag */
      __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_OVFRI);

      /* Update error code */
      hdcmi->ErrorCode |= HAL_DCMI_ERROR_OVF;

      /* Change DCMI state */
      hdcmi->State = HAL_DCMI_STATE_ERROR;

      /* Process Unlocked */
      __HAL_UNLOCK(hdcmi);

      /* Abort the DMA Transfer */
      HAL_DMA_Abort(hdcmi->DMA_Handle);

      /* Overflow Callback */
      HAL_DCMI_ErrorCallback(hdcmi);
    }
  }
  /* Line Interrupt management ************************************************/
  if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_LINERI) != RESET)
  {
    if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_LINE) != RESET)
    {
      /* Clear the Line interrupt flag */  
      __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_LINERI);

      /* Process Unlocked */
      __HAL_UNLOCK(hdcmi);

      /* Line interrupt Callback */
      HAL_DCMI_LineEventCallback(hdcmi);
    }
  }
  /* VSYNC interrupt management ***********************************************/
  if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_VSYNCRI) != RESET)
  {
    if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_VSYNC) != RESET)
    {
      /* Disable the VSYNC interrupt */
      __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_VSYNC);   

      /* Clear the VSYNC flag */
      __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_VSYNCRI);

      /* Process Unlocked */
      __HAL_UNLOCK(hdcmi);

      /* VSYNC Callback */
      HAL_DCMI_VsyncEventCallback(hdcmi);
    }
  }
  /* End of Frame interrupt management ****************************************/
  if(__HAL_DCMI_GET_FLAG(hdcmi, DCMI_FLAG_FRAMERI) != RESET)
  {
    if(__HAL_DCMI_GET_IT_SOURCE(hdcmi, DCMI_IT_FRAME) != RESET)
    {
      /* Disable the End of Frame interrupt */
      __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_FRAME);

      /* Clear the End of Frame flag */
      __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_FRAMERI);

      /* Process Unlocked */
      __HAL_UNLOCK(hdcmi);

      /* End of Frame Callback */
      HAL_DCMI_FrameEventCallback(hdcmi);
    }
  }
}
예제 #3
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/**
  * @brief  Handles DCMI interrupt request.
  * @param  hdcmi: pointer to a DCMI_HandleTypeDef structure that contains
  *                the configuration information for the DCMI.
  * @retval None
  */
void HAL_DCMI_IRQHandler(DCMI_HandleTypeDef *hdcmi)
{
  uint32_t isr_value = READ_REG(hdcmi->Instance->MISR);

  /* Synchronization error interrupt management *******************************/
  if((isr_value & DCMI_FLAG_ERRRI) == DCMI_FLAG_ERRRI)
  {
    /* Clear the Synchronization error flag */
    __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_ERRRI);

    /* Update error code */
    hdcmi->ErrorCode |= HAL_DCMI_ERROR_SYNC;

    /* Change DCMI state */
    hdcmi->State = HAL_DCMI_STATE_ERROR;
    
    /* Set the synchronization error callback */
    hdcmi->DMA_Handle->XferAbortCallback = DCMI_DMAError;

    /* Abort the DMA Transfer */
    HAL_DMA_Abort_IT(hdcmi->DMA_Handle);
  }
  /* Overflow interrupt management ********************************************/
  if((isr_value & DCMI_FLAG_OVRRI) == DCMI_FLAG_OVRRI)
  {
    /* Clear the Overflow flag */
    __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_OVRRI);

    /* Update error code */
    hdcmi->ErrorCode |= HAL_DCMI_ERROR_OVR;

    /* Change DCMI state */
    hdcmi->State = HAL_DCMI_STATE_ERROR;
    
    /* Set the overflow callback */
    hdcmi->DMA_Handle->XferAbortCallback = DCMI_DMAError;

    /* Abort the DMA Transfer */
    HAL_DMA_Abort_IT(hdcmi->DMA_Handle);
  }
  /* Line Interrupt management ************************************************/
  if((isr_value & DCMI_FLAG_LINERI) == DCMI_FLAG_LINERI)
  {
    /* Clear the Line interrupt flag */
    __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_LINERI);
    
    /* Line interrupt Callback */
    HAL_DCMI_LineEventCallback(hdcmi);
  }
  /* VSYNC interrupt management ***********************************************/
  if((isr_value & DCMI_FLAG_VSYNCRI) == DCMI_FLAG_VSYNCRI)
  {
    /* Clear the VSYNC flag */
    __HAL_DCMI_CLEAR_FLAG(hdcmi, DCMI_FLAG_VSYNCRI);
    
    /* VSYNC Callback */
    HAL_DCMI_VsyncEventCallback(hdcmi);
  }
  /* FRAME interrupt management ***********************************************/
  if((isr_value & DCMI_FLAG_FRAMERI) == DCMI_FLAG_FRAMERI)
  {
    /* When snapshot mode, disable Vsync, Error and Overrun interrupts */
    if((hdcmi->Instance->CR & DCMI_CR_CM) == DCMI_MODE_SNAPSHOT)
    { 
      /* Disable the Line, Vsync, Error and Overrun interrupts */
      __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_LINE | DCMI_IT_VSYNC | DCMI_IT_ERR | DCMI_IT_OVR);
    }

    /* Disable the Frame interrupt */
    __HAL_DCMI_DISABLE_IT(hdcmi, DCMI_IT_FRAME);

    /* Frame Callback */
    HAL_DCMI_FrameEventCallback(hdcmi);
  }
}