【51单片机2个按键控制流水灯转向】2022-10-25

缘由51单片机按键流水灯-嵌入式-CSDN问答

#include "REG52.h"
sbit k1=P3^0;
sbit k2=P3^1;
void main()
{
	unsigned char l=0,xd=0,ys1=0,ys2=0,z=0;
	P1=l;
	while(1)
	{
		if(k1==0&&++xd==0)
		{
			z=0;
			while(k1==0);
		}
		if(k2==0&&++xd==0)
		{
			z=1;
			while(k2==0);
		}
		if(++ys1==0)if(++ys2==0)
		{
			if(z==0)if(l==0)l=1;else l*=2;
			else if(l==0)l=128;else l/=2;
			P1=l;
		}
	}
}