1、串口自发自收设定串口时钟设定引脚功能中断优先级设定串口Main 文件#include “stm32f10x.h“void RCC_Configuration(void);void GPIO_Configuration(void);void USART_Configuration(void);void NVIC_Configuration(void);int main(void)RCC_Configuration();GPIO_Configuration();NVIC_Configuration();USART_Configuration();while(1);void RCC_Configur
2、ation(void) RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);void GPIO_Configuration(void)GPIO_InitTypeDef GPIO_InitStructure;GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;GPIO_Init(GPIOA, GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;GPIO_InitStructu
3、re.GPIO_Speed = GPIO_Speed_50MHz;GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;GPIO_Init(GPIOA, void USART_Configuration(void)USART_InitTypeDef USART_InitStructure;USART_InitStructure.USART_BaudRate = 115200;USART_InitStructure.USART_WordLength = USART_WordLength_8b;USART_InitStructure.USART_StopBi
4、ts = USART_StopBits_1;USART_InitStructure.USART_Parity = USART_Parity_No;USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;USART_InitStructure.USART_Mode = USART_Mode_Tx | USART_Mode_Rx;USART_Init(USART1 , USART_Cmd(USART1, ENABLE);USART_ITConfig(USART1, USART_IT_RXNE, E
5、NABLE); /*接收中断使能*/void NVIC_Configuration(void) NVIC_InitTypeDef NVIC_InitStructure;NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0); NVIC_InitStructure.NVIC_IRQChannel = USART1_IRQn; /*3.4 的库不是使用USART1_IRQChannel，看 stm32f10x.h 吧*/NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0; NVIC_InitStructure.N
6、VIC_IRQChannelCmd = ENABLE; NVIC_Init( Stm32f10x_it.c 加入void USART1_IRQHandler(void) unsigned int i; if(USART_GetFlagStatus(USART1,USART_IT_RXNE)=SET) i = USART_ReceiveData(USART1); USART_SendData(USART1,i); while(USART_GetFlagStatus(USART1, USART_FLAG_TC) = RESET) ; if(USART_GetITStatus(USART1, USART_IT_RXNE) != RESET) /* 清楚接收中断标志*/ USART_ClearITPendingBit(USART1, USART_IT_RXNE);
