/**
* @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);
}
}
}
/**
* @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);
}
}