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void USART3_IRQHandler(void)
{
? /* USER CODE BEGIN USART3_IRQn 0 */
? /* USER CODE END USART3_IRQn 0 */
? HAL_UART_IRQHandler(&huart3);
? /* USER CODE BEGIN USART3_IRQn 1 */
? HAL_UART_IDLE_IRQHandler(&huart3);
? /* USER CODE END USART3_IRQn 1 */
}
?
?void HAL_UART_IDLE_IRQHandler(UART_HandleTypeDef *huart)
?{
?? ?uint32_t isrflags?? ?= ?READ_REG(huart->Instance->SR);?
?? ?//if((USART_SR_IDLE & isrflags) != RESET && ( huart->RxXferCount > 0))
?? ?if( __HAL_UART_GET_FLAG(huart, UART_FLAG_IDLE))?
?? ?{
?? ??? ?__HAL_UART_CLEAR_IDLEFLAG(huart);
?? ? ? /* Disable the UART Data Register not empty Interrupt */
?? ? ? __HAL_UART_DISABLE_IT(huart, UART_IT_RXNE);
?? ? ? /* Disable the UART Parity Error Interrupt */
?? ? ? __HAL_UART_DISABLE_IT(huart, UART_IT_PE);
?? ? ? /* Disable the UART Error Interrupt: (Frame error, noise error, overrun error) */
?? ? ? __HAL_UART_DISABLE_IT(huart, UART_IT_ERR);
?? ? ? /* Rx process is completed, restore huart->RxState to Ready */
?? ? ? huart1.RxState = HAL_UART_STATE_READY; ?
?? ? ? HAL_UART_RxCpltCallback(huart);?
?? ?}else if((USART_SR_IDLE & isrflags) != RESET && ( huart->RxXferCount == 0 ))
?? ?{?
?? ??? ?__HAL_UART_CLEAR_IDLEFLAG(huart);
?? ?}?
?}
void uart_rx_setting(UART_HandleTypeDef *huart)
{
?? ?if(huart == &huart1)
?? ?{
?? ??? ?HAL_UART_Receive_DMA(huart, stUart1Rx.rx_buf,MAX_RX_SIZE);
?? ??? ?
?? ?}
?? ?else if(huart == &huart2)
?? ?{
?? ??? ?HAL_UART_Receive_DMA(huart, stUart2Rx.rx_buf,MAX_RX_SIZE);
?? ?}
?? ?else if(huart == &huart3)
?? ?{
?? ??? ?HAL_UART_Receive_DMA(huart, stUart3Rx.rx_buf,MAX_RX_SIZE);
?? ?}
?? ?__HAL_UART_ENABLE_IT(huart, UART_IT_IDLE);
?? ?__HAL_UART_CLEAR_FLAG(huart, UART_FLAG_IDLE);
}
?void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)
{
?? ?
?? ?if(huart == &huart1)
?? ?{
?? ??? ?test1++;
?? ??? ?stUart1Rx.rx_len = MAX_RX_SIZE - __HAL_DMA_GET_COUNTER(&hdma_usart1_rx);
?? ??? ?stUart1Rx.rx_cnt = stUart1Rx.rx_len;
?? ??? ?stUart1Rx.rx_len = 0;
?? ?}
?? ?else if(huart == &huart2)
?? ?{
?? ??? ?test2++;
?? ??? ?stUart2Rx.rx_len = MAX_RX_SIZE - __HAL_DMA_GET_COUNTER(&hdma_usart2_rx);
?? ??? ?stUart2Rx.rx_cnt = stUart2Rx.rx_len;
?? ??? ?stUart2Rx.rx_len = 0;
?? ??? ?__HAL_DMA_SET_COUNTER(&hdma_usart2_rx, MAX_RX_SIZE);
?? ?}
?? ?else if(huart == &huart3)
?? ?{
?? ??? ?test3++;
?? ??? ?stUart3Rx.rx_len = MAX_RX_SIZE - __HAL_DMA_GET_COUNTER(&hdma_usart3_rx);
?? ??? ?stUart3Rx.rx_cnt = stUart3Rx.rx_len;
?? ??? ?stUart3Rx.rx_len = 0;
?? ??? ?__HAL_DMA_SET_COUNTER(&hdma_usart3_rx, MAX_RX_SIZE);
?? ?}
?? ?HAL_UART_DMAStop(huart);
?? ?uart_rx_setting(huart);
}
?void HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart)
?{
?? ? if(huart == &huart1)
?? ? {
?? ??? ?
?? ??
?? ? }
?? ? else if(huart == &huart2)
?? ? {
?? ??
?? ? }
?? ? else if(huart == &huart3)
?? ? {
?? ??
?? ??
?? ? }
?}
?
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