ledls.c

来自「学习单片机的程序集」· C语言 代码 · 共 29 行

 #include<reg51.h>

sbit K1=P0^1;  
void delay(unsigned int z)
{
	unsigned int x,y;
	for(x=z;x>0;x--)
		for(y=110;y>0;y--);	
}
main()
{
	K1=1;

	delay(2000);
	K1=0;

	delay(2000);
	
/*	unsigned char LED;
	LED = 0xfe;
	K1 = LED;
	
	while(1)
	{
		delayms(250);			
		LED = _crol_(LED,1);		//循环右移1位，点亮下一个LED
		K1 = LED;
	}	*/
}