/** * @brief This function handles SMARTCARD interrupt request. * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains * the configuration information for SMARTCARD module. * @retval None */ void HAL_SMARTCARD_IRQHandler(SMARTCARD_HandleTypeDef *hsc) { uint32_t tmp1 = 0, tmp2 = 0; tmp1 = hsc->Instance->SR; tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_PE); /* SMARTCARD parity error interrupt occurred --------------------------------*/ if(((tmp1 & SMARTCARD_FLAG_PE) != RESET) && (tmp2 != RESET)) { __HAL_SMARTCARD_CLEAR_PEFLAG(hsc); hsc->ErrorCode |= HAL_SMARTCARD_ERROR_PE; } tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR); /* SMARTCARD frame error interrupt occurred ---------------------------------*/ if(((tmp1 & SMARTCARD_FLAG_FE) != RESET) && (tmp2 != RESET)) { __HAL_SMARTCARD_CLEAR_FEFLAG(hsc); hsc->ErrorCode |= HAL_SMARTCARD_ERROR_FE; } tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR); /* SMARTCARD noise error interrupt occurred ---------------------------------*/ if(((tmp1 & SMARTCARD_FLAG_NE) != RESET) && (tmp2 != RESET)) { __HAL_SMARTCARD_CLEAR_NEFLAG(hsc); hsc->ErrorCode |= HAL_SMARTCARD_ERROR_NE; } tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_ERR); /* SMARTCARD Over-Run interrupt occurred ------------------------------------*/ if(((tmp1 & SMARTCARD_FLAG_ORE) != RESET) && (tmp2 != RESET)) { __HAL_SMARTCARD_CLEAR_OREFLAG(hsc); hsc->ErrorCode |= HAL_SMARTCARD_ERROR_ORE; } tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_RXNE); /* SMARTCARD in mode Receiver ----------------------------------------------*/ if(((tmp1 & SMARTCARD_FLAG_RXNE) != RESET) && (tmp2 != RESET)) { SMARTCARD_Receive_IT(hsc); } tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_TXE); /* SMARTCARD in mode Transmitter -------------------------------------------*/ if(((tmp1 & SMARTCARD_FLAG_TXE) != RESET) && (tmp2 != RESET)) { SMARTCARD_Transmit_IT(hsc); } tmp2 = __HAL_SMARTCARD_GET_IT_SOURCE(hsc, SMARTCARD_IT_TC); /* SMARTCARD in mode Transmitter (transmission end) ------------------------*/ if(((tmp1 & SMARTCARD_FLAG_TC) != RESET) && (tmp2 != RESET)) { SMARTCARD_EndTransmit_IT(hsc); } /* Call the Error call Back in case of Errors */ if(hsc->ErrorCode != HAL_SMARTCARD_ERROR_NONE) { /* Set the SMARTCARD state ready to be able to start again the process */ hsc->State= HAL_SMARTCARD_STATE_READY; HAL_SMARTCARD_ErrorCallback(hsc); } }
/** * @brief This function handles SMARTCARD interrupt request. * @param hsc: pointer to a SMARTCARD_HandleTypeDef structure that contains * the configuration information for SMARTCARD module. * @retval None */ void HAL_SMARTCARD_IRQHandler(SMARTCARD_HandleTypeDef *hsc) { uint32_t isrflags = READ_REG(hsc->Instance->SR); 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_SR_PE | USART_SR_FE | USART_SR_ORE | USART_SR_NE)); if(errorflags == RESET) { /* SMARTCARD in mode Receiver -------------------------------------------------*/ if(((isrflags & USART_SR_RXNE) != RESET) && ((cr1its & USART_CR1_RXNEIE) != RESET)) { SMARTCARD_Receive_IT(hsc); return; } } /* If some errors occur */ if((errorflags != RESET) && (((cr3its & USART_CR3_EIE) != RESET) || ((cr1its & (USART_CR1_RXNEIE | 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_SR_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)) { SMARTCARD_EndTransmit_IT(hsc); return; } }