main.c

以中断,触发方式实现51单片机的串口通信程序,可用串口精灵调试

#include <reg52.h>

void Int_Serial(void) interrupt 4
{
	unsigned char temp;

	if (RI == 1)
	{
		temp = SBUF;
		RI = 0;
		SBUF = temp;
	}
	else if (TI == 1) 
	{
		TI=0;
	}
	else
	{
	}
}

void Init_Serial(void)
{
	TMOD = 0x20;
	TH1 = 0xfd;
	TCON = 0x40;
	SCON = 0x50;
	IE = 0x90;
}

void main(void)
{

	Init_Serial();
	while (1);

}