main.c

stm32 USART1口配置与使用

#include <stm32f10x_lib.h>
#include "stdio.h"
extern SetupClock(void);
extern SetupNVIC(void);
extern SetupGPIO(void);
extern SetupUSART(void);
//void printf(u8 *p);

u8 Uart0_rev_buff[100];//串口接收缓冲区
//u8 Uart0_send_buff[100]; //串口发送缓冲区
vs16 Uart0_send_counter=0;
//vu8 Crc_counter = 0;//com0校验计数器
vu8 Uart0_rev_count;
u8 flag;
//vu8 Uart0_rev_comflag;
//vu8 *Uart0_send_pointer=Uart0_send_buff;  //串口发送指针
int main(void)
{				 
u16 i=0;
SetupClock();
SetupNVIC();
SetupGPIO();
SetupUSART();
printf("\n Please Input Character From Keyboard\n");

while(1)
{
	if(flag==1)
	{
		for(i=0;i<Uart0_rev_count;i++)
		{
		printf(" %c",Uart0_rev_buff[i]);
		}
		flag=0;
	}
	
	
	/*if(USART_GetFlagStatus(USART1,USART_IT_RXNE)==SET)
	{
//	USART_SendData(USART1,USART_ReceiveData(USART1));
//	i=USART_ReceiveData(USART1);
	printf(" %c",i&0xFF);
	GPIO_WriteBit(GPIOF,GPIO_Pin_6,(BitAction)(1-GPIO_ReadOutputDataBit(GPIOF,GPIO_Pin_6)));//检测是否接到数据 
	}  */
}
}
/*void printf(u8 *p)
{
while(*p)
{
	USART_SendData(USART1,*p++);
	while(USART_GetFlagStatus(USART1,USART_FLAG_TC)==RESET)
	{
	}
}
}  */ 
int fputc(int ch,FILE *f)
{
	USART_SendData(USART1,(u8)ch);
	while(USART_GetFlagStatus(USART1,USART_FLAG_TC)==RESET)
	{
	}
	return ch;
}