发送函数功能最简单,轻松TC中断标记,将数据放入DR数据寄存器中,while循环等待TC中断触发(DR数据寄存器为空): staticintstm32_putc(structrt_serial_device*serial,charc){structstm32_uart*uart;RT_ASSERT(serial!=RT_NULL);uart=rt_container_of(serial,s
接收中断函数如下：//串口接收中断回调函数uint8_t RevByte;uint16_t RevTick = 0;void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart){ static uint16_t Rx_len; if(huart->Instance==USART1) { Uart1.RxBuf[Uart1.RxCnt]=RevByte; switch(Uart1.RxCnt) { case 0: if(...
/* check if receiver FIFO empty */if (UartSrValue & XUARTPS_IXR_RXEMPTY){/* do nothing */}/* check if it is a timeout interrupt */if (UartSrValue & XUARTPS_IXR_TOUT){_uart0_msg->ReceivedFlag = 1;}/* clear trigger interrupt */XUartPs_WriteReg(UartInstancePtr->Config.BaseAdd...
HAL_UART_CLEAR_FLAG(huart, UART_CLEAR_FEF);// 恢复错误中断使能ATOMIC_SET_BIT(huart->Instance...
/* USART3 init function */ void MX_USART3_UART_Init(void) { /* USER CODE BEGIN USART3_Init 0 */ /* USER CODE END USART3_Init 0 */ /* USER CODE BEGIN USART3_Init 1 */ /* USER CODE END USART3_Init 1 */ huart3.Instance = USART3; ...
__HAL_UART_CLEAR_IDLEFLAG(huart); ATOMIC_SET_BIT(huart->Instance->CR1, USART_CR1_IDLEIE); } else { /* In case of errors already pending when reception is started, Interrupts may have already been raised and lead to reception abortion. ...
Init 1 *//* USER CODE END SPI2_Init 1 *//* SPI2 parameter configuration*/hspi2.Instance ...
CLEAR_BIT(uart->handle.Instance->CR3, USART_CR3_EIE); __HAL_UART_ENABLE_IT(&(uart->handle), UART_IT_IDLE); } /DMA irq should set in DMA TX mode, or HAL_UART_TxCpltCallback function will not be called*/ HAL_NVIC_SetPriority(dma_config->dma_irq, 0, 0); ...
uart1RxBuf[uart1RxCounter] =(char)( huart1.Instance->DR & 0xff); uart1RxCounter++; } __HAL_UART_CLEAR_FLAG (&huart1, UART_FLAG_RXNE); } if(__HAL_UART_GET_FLAG (&huart1, UART_FLAG_TXE) != RESET) //可以发送下个字节 ...
但是，如果手动实现自己基于中断和基于循环缓冲区的UART和Rx调用，这是首选的方法，这个成员完全没有意义...