【修复】复位后串口打印第一个字节丢失的问题 | The loss of the first byte of serial port printing after reset.

2018-12-06 09:07:55 +08:00 · 2018-12-06 09:07:55 +08:00 · 18bcd2b2c6
parent 27cd03d454
commit 18bcd2b2c6
1 changed files with 2 additions and 0 deletions
--- a/bsp/stm32f10x/drivers/usart.c
+++ b/bsp/stm32f10x/drivers/usart.c
@ -101,6 +101,8 @@ static rt_err_t stm32_configure(struct rt_serial_device *serial, struct serial_c
    /* Enable USART */
    USART_Cmd(uart->uart_device, ENABLE);
    
+    USART_ClearFlag(uart->uart_device,USART_FLAG_TC);
+
    return RT_EOK;
 }