/**
* @brief SMARTCARD interrupt requests handling.
* @param hsc: SMARTCARD handle
* @retval None
*/
void HAL_SMARTCARD_IRQHandler(SMARTCARD_HandleTypeDef *hsc)
{
uint32_t isrflags = READ_REG(hsc->Instance->ISR);
uint32_t cr1its = READ_REG(hsc->Instance->CR1);
uint32_t cr3its = READ_REG(hsc->Instance->CR3);
uint32_t dmarequest = 0x00U;
uint32_t errorflags = 0x00U;
/* If no error occurs */
errorflags = (isrflags & (uint32_t)(USART_ISR_PE | USART_ISR_FE | USART_ISR_ORE | USART_ISR_NE));
if(errorflags == RESET)
{
/* SMARTCARD in mode Receiver -------------------------------------------------*/
if(((isrflags & USART_ISR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
{
SMARTCARD_Receive_IT(hsc);
return;
}
}
/* If some errors occur */
if((errorflags != RESET) && ((cr3its & (USART_CR3_EIE | USART_CR1_PEIE)) != RESET))
{
/* SMARTCARD parity error interrupt occurred ---------------------------*/
if(((isrflags & SMARTCARD_FLAG_PE) != RESET) && ((cr1its & USART_CR1_PEIE) != RESET))
{
hsc->ErrorCode |= HAL_SMARTCARD_ERROR_PE;
}
/* SMARTCARD frame error interrupt occurred ----------------------------*/
if(((isrflags & SMARTCARD_FLAG_FE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET))
{
hsc->ErrorCode |= HAL_SMARTCARD_ERROR_FE;
}
/* SMARTCARD noise error interrupt occurred ----------------------------*/
if(((isrflags & SMARTCARD_FLAG_NE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET))
{
hsc->ErrorCode |= HAL_SMARTCARD_ERROR_NE;
}
/* SMARTCARD Over-Run interrupt occurred -------------------------------*/
if(((isrflags & SMARTCARD_FLAG_ORE) != RESET) && ((cr3its & USART_CR3_EIE) != RESET))
{
hsc->ErrorCode |= HAL_SMARTCARD_ERROR_ORE;
}
/* Call the Error call Back in case of Errors */
if(hsc->ErrorCode != HAL_SMARTCARD_ERROR_NONE)
{
/* SMARTCARD in mode Receiver -----------------------------------------------*/
if(((isrflags & USART_ISR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET))
{
SMARTCARD_Receive_IT(hsc);
}
/* If Overrun error occurs, or if any error occurs in DMA mode reception,
consider error as blocking */
dmarequest = HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAR);
if(((hsc->ErrorCode & HAL_SMARTCARD_ERROR_ORE) != RESET) || dmarequest)
{
/* Blocking error : transfer is aborted
Set the SMARTCARD state ready to be able to start again the process,
Disable Rx Interrupts, and disable Rx DMA request, if ongoing */
SMARTCARD_EndRxTransfer(hsc);
/* Disable the SMARTCARD DMA Rx request if enabled */
if (HAL_IS_BIT_SET(hsc->Instance->CR3, USART_CR3_DMAR))
{
CLEAR_BIT(hsc->Instance->CR3, USART_CR3_DMAR);
/* Abort the SMARTCARD DMA Rx channel */
if(hsc->hdmarx != NULL)
{
/* Set the SMARTCARD DMA Abort callback :
will lead to call HAL_SMARTCARD_ErrorCallback() at end of DMA abort procedure */
hsc->hdmarx->XferAbortCallback = SMARTCARD_DMAAbortOnError;
if(HAL_DMA_Abort_IT(hsc->hdmarx) != HAL_OK)
{
/* Call Directly XferAbortCallback function in case of error */
hsc->hdmarx->XferAbortCallback(hsc->hdmarx);
}
}
else
{
/* Call user error callback */
HAL_SMARTCARD_ErrorCallback(hsc);
}
}
else
{
/* Call user error callback */
HAL_SMARTCARD_ErrorCallback(hsc);
}
}
else
{
/* Call user error callback */
HAL_SMARTCARD_ErrorCallback(hsc);
hsc->ErrorCode = HAL_SMARTCARD_ERROR_NONE;
}
}
return;
} /* End if some error occurs */
/* SMARTCARD in mode Transmitter -------------------------------------------*/
if(((isrflags & SMARTCARD_FLAG_TXE) != RESET) && ((cr1its & USART_CR1_TXEIE) != RESET))
{
SMARTCARD_Transmit_IT(hsc);
return;
}
/* SMARTCARD in mode Transmitter (transmission end) ------------------------*/
if(((isrflags & SMARTCARD_FLAG_TC) != RESET) && ((cr1its & USART_CR1_TCIE) != RESET))
{
/* Disable the SMARTCARD Transmit Complete Interrupt */
CLEAR_BIT(hsc->Instance->CR1, USART_CR1_TCIE);
/* Disable the SMARTCARD Error Interrupt: (Frame error, noise error, overrun error) */
CLEAR_BIT(hsc->Instance->CR3, USART_CR3_EIE);
/* Tx process is ended, restore hsmartcard->gState to Ready */
hsc->gState = HAL_SMARTCARD_STATE_READY;
HAL_SMARTCARD_TxCpltCallback(hsc);
return;
}
}
/**
* @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);
}
}
