STM32串口初始化

#include"stm32f10x.h"

void USART_Config(void)

{

USART_InitTypeDef USART_InitStructure;

USART_ART_BaudRate = 9600; //波特率为9600Hz

USART_ART_WordLength = USART_WordLength_8b; //8位数据

USART_ART_StopBits = USART_StopBits_1; //在帧结尾传输1 个停止位

USART_ART_Parity = USART_Parity_No; //奇偶失能

USART_ART_HardwareFlowControl =USART_HardwareFlowControl_None; //硬件流控制失能

USART_ART_Mode = USART_Mode_Tx | USART_Mode_Rx; //发送使能,接收使能

USART_Init(USART1, &USART_InitStructure);

USART_ITConfig(USART1, USART_IT_RXNE, ENABLE); //USART_ITConfig:使能或者失能指定的USART中断USART_IT_RXNE, ENABLE:接收中断

USART_Cmd(USART1, ENABLE); //使能USART 外设

USART_ClearFlag(USART1,USART_FLAG_TC); //清除USARTx 的待处理标志位USART_FLAG_TC:发送完成标志位

}