两个按键控制一个led灯c51程序

#include <reg52.h>
sbit led = P1^0;
sbit key1 = P2^0;
sbit key2 = P2^1;

void delay(unsigned int cnt) //简单的延时
{
while(--cnt);
}
/*------------------------------------------------
MAIN C Function
------------------------------------------------*/
void main (void)
{
while (1)
{
if(key1 == 0) /*按键1按下*/
{
led = 0; /*灯亮*/
delay(1000);
while(!key1); /*消抖*/
}
else if(key2 == 0) /*按键2按下*/
{
led = 1; /*灯灭*/
delay(1000);
while(!key2);
}
}
}

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