hongwai.c

来自「单片机红外解码及无线解码的应用」· C语言 代码 · 共 39 行

#include <reg51.h>
#define uchar unsigned char
#define uint unsigned int
sbit OUT=P1^6;
sbit IN=P3^5;
uchar Time;

void interruptT1() interrupt 3
{
TH1=0x3C;
TL1=0xb0;
if (++Time>100)//5970
	{
	TR1=0;
	Time=0;
	OUT=1;
	}
}

void main(void)
{
P1=0XFF;
P3=0XFF;
Time=0;
TMOD=0x10;
TH1=0x3C;//12m 50ms
TL1=0xb0;
ET1=1;
EA=1;

while(1)
if (IN==1)
	{
	TR1=1;
	OUT=0;
	Time=0;
	}
}