#include <reg51.h>
//#include <intrins.h>
//#define NOP _nop_()
sbit KEY=P1^0; //键盘
sbit IRB=P1^1; //红外
sbit GREEN=P2^4;//绿灯
sbit RED=P2^3;//红灯
sbit UP=P2^1;//升栏杆机
sbit DOWN=P2^2;//降栏杆机
void delay(int );
void main()
{
unsigned char dat1,dat2;
unsigned char i,zt,num;
unsigned char address;
delay(1000);
//定时器设置
TH0=0xfb;
TL0=0x30;
IE=0x82;
TMOD=0x21;//
zt=0;
GREEN =1;/*绿灯*/RED=0;/*红灯*/UP=1;/*栏杆机升*/DOWN=0;/*栏杆机降*/
P0=0x00;
while (1){
if(KEY==0){
EA=0; //禁止中断
TR0=0;
while(1)
if ((zt==2)||(zt==0)){
GREEN=0;/*绿灯*/RED=1;/*红灯*/UP=0;/*栏杆机升*/DOWN=1;/*栏杆机降*/ break; }
}
delay(100);
dat1=0x00;dat2=0x00;
}
}
void delay(int time) {
int i,j;
for (i=0;i<time;i++)
{
for (j= 0;j<10;j++) ;}
}