内容简介:int state = 0;if(press) //if the key is pressed { if(state==0){ state = 1;LED = 1; //turn on;} else { state = 0;LED = 0; //turn off } } 以51为例子,假如低电平灯亮 include sbit K1=P1^0 //P^0接开关 sbit LED=P1^1...
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