#include <reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit s1=P3^5;
sbit LR=P1^3;
sbit Feng=P2^3;
sbit HR=P0^3;
sbit LG=P1^5;
void delay(uint x)
{
uint i,j;
for(i=x;i>0;i--)
for(j=110;j>0;j--);
}
void main()
{
LR=1;
Feng=1;
while(1)
{
if(s1==0)
{
delay(10);
if(s1==0)
{
Feng=~Feng;
while(s1==0);
Feng=1;
LR=~LR;
}
}
if(HR==0)
{
Feng=0;
LG=0;
delay(10);
}
else
{
Feng=1;
}
}
}
