3-江科大-按键控制LED

目录

正文

image-20240416225241997

image-20240416225403237

image-20240416230709612

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//按键控制LED

void main(){

	while(1){
		
		if(P3_1 == 0){
			DelayMs(20);
			while(P3_1 == 0);
			if(P3_1 == 1){
				P2_0  = ~P2_0;
			}
		}
		
	}
	
	
}
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//按键控制流水灯
void main(){

	
	unsigned char LEDNum;
	while(1){
		if(P3_1 == 0){
			DelayMs(20);
			while(P3_1 == 0);
			LEDNum ++;
			P2 = ~LEDNum;
		}
		
	}
	
	
}
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/*
	按键控制LED流水灯(按下按键左移)
	TODO 按下另外一个按键右移
*/
unsigned char LEDNum;

void main(){

	
	while(1){
		if(P3_1 == 0){
			DelayMs(20);
			while(P3_1 == 0);
			DelayMs(20);
			LEDNum++;
			if(LEDNum >= 8){
				LEDNum = 0;
			}
			P2 = ~(0x01 << LEDNum);
			
		}
		
	}
}