re.c

来自「个人单片机入门程序集合 。很适合刚学单片机的人。用的是keil proteus」· C语言 代码 · 共 49 行

#include <reg51.h>
#include<intrins.h>
#define uint unsigned int
#define uchar unsigned char
#define out P1
unsigned char idata  buf[10];
unsigned char pf;

void main()
{
unsigned char i;
TMOD=0X20;
TL1=0XE6;
TH1=0XE6;
PCON=0;
TR1=1;
SCON=0X50;
do {
	while(RI==0);
	RI=0;
	} while(SBUF^0xaa!=0);
SBUF=0xbb;
while(TI==0);
TI=0;
while(1)
	{
		pf=0;
		for (i=0;i<10;i++)
		{
		while (RI==0);
		RI=0;
		buf[i]=SBUF;
		pf+=buf[i];
		}
	while(RI==0);
	RI=0;
	if ((SBUF^pf)==0)
		{
		SBUF=0x00;break;
		}
	else
		{
		SBUF=0xff;
		while(TI==0);
		TI=0;
		}
	out=buf[5]*0xaa;
	}
}