举例:HAL_UART_Receive_IT(&huart1,(uint8_t*)&value,1);//中断接收一个字符,存储到value中 2、串口中断函数 HAL_UART_IRQHandler(UART_HandleTypeDef *huart); //串口中断处理函数 HAL_UART_TxCpltCallback(UART_HandleTypeDef *huart); //
I have 2 MODBUS 485 ports, one in UART1, the another in UART3, both in DMA mode. Testing frame collisions with Docklight I see the function HAL_UART_ErrorCallback called with an Error code of 1 (Parity error), 8(Overrin error) or 11 (Parity+Noise+Overrun error). In case of UART...
/* 中断错误处理函数,在此处理overrun错误 */ void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart) { uint8_t i = 0; if(__HAL_UART_GET_FLAG(huart,UART_FLAG_ORE) != RESET) { __HAL_UART_CLEAR_OREFLAG(huart); HAL_UART_Receive_IT(huart,(u8 *)&i,1); } } 问题2:串口同时收发,...
实现UART错误回调函数,处理HAL_UART_ERROR_ORE错误。 voidHAL_UART_ErrorCallback(UART_HandleTypeDef *huart) { if (huart->ErrorCode & HAL_UART_ERROR_ORE) {__HAL_UART_CLEAR_OREFLAG(huart);// 清除ORE错误标志// 重新启动DMA接收HAL_UART_Receive_DMA(huart, RxBuffer, sizeof(RxBuffer)); } } ...
手册上写到,清ORE位需要先读SR寄存器,再读DR寄存器 voidHAL_UART_ErrorCallback(UART_HandleTypeDef *huart) {if(HAL_UART_GetError(huart) &HAL_UART_ERROR_ORE) { __HAL_UART_FLUSH_DRREGISTER(huart);//读DR寄存器,就可以清除ORE错误标志位} ...
__HAL_UART_ENABLE_IT(&huart2, UART_IT_ERR); ... } 接着,在usart.c中加入串口错误中断回调函数的定义: /* 中断错误处理函数,在此处理overrun错误*/ void HAL_UART_ErrorCallback(UART_HandleTypeDef*huart) { uint8_t i=0; if(__HAL_UART_GET_FLAG(huart,UART_FLAG_ORE) !=RESET) ...
if(__HAL_UART_GET_FLAG(&huart1,UART_FLAG_ORE))//溢出标志 { uint32_t temp = USART1->SR; temp = USART1->DR; } 1. 2. 3. 4. 5. 6. 对于使用STM32CubeMX生成的程序,编写串口错误回调函数即可。 void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart) ...
void HAL_UART_ErrorCallback(UART_HandleTypeDef *huart){ uint32_t isrflags = READ_REG(huart...
uint32_t uart_error_cnt = 0; //记录是否进入串口错误中断 void HAL_UART_ErrorCallback(UART_...