/***************************************************************
功能:實現多只LED依次點亮實現跑馬燈效果
***************************************************************/
#include <intrins.h>
#include <reg51.h>
//sbit  led_c= P1^7;
sbit _Led1 = P1^0;				//對應CPU管腳P1.0
sbit _Led2 = P1^1;				//對應CPU管腳P1.1
sbit _Led3 = P1^2;				//對應CPU管腳P1.2
sbit _Led4 = P1^3;				//對應CPU管腳P0.3
sbit _Led5 = P1^4;				//對應CPU管腳P0.4
sbit _Led6 = P1^5;				//對應CPU管腳P0.5
sbit _Led7 = P1^6;				//對應CPU管腳P0.6
sbit _Led8 = P1^7;				//對應CPU管腳P0.7
/*-------------------------------------------------
功能:1MS延時子程序
-------------------------------------------------*/
void Delay_xMs(unsigned int x)
{
    unsigned int i,j;
    for( i =0;i < x;i++ )
    {
        for( j =0;j<500;j++ );
    }
}

/*-------------------------------------------
主程序
功能:LED1--LED8發光二極管依次點亮實現跑馬燈效果
--------------------------------------------*/
void main()
{
   	while(1)
   	{    //led_c= 0;
	     Delay_xMs(100);
   	   	_Led1 = 0;				//點亮LED1,熄滅LED2,LED3,LED4
   	   	_Led2 = 1;
   	   	_Led3 = 1;
   	   	_Led4 = 1;
   	  	_Led5 = 1;
   	  	_Led6 = 1;
   	  	_Led7 = 1;
   	  	_Led8 = 1;
   	   	Delay_xMs(100);	
   	   	_Led1 = 1;				//點亮LED2,熄滅LED1,LED3,LED4
   	   	_Led2 = 0;
   	   	_Led3 = 1;
   	   	_Led4 = 1;
   	  	_Led5 = 1;
   	  	_Led6 = 1;
   	  	_Led7 = 1;
   	  	_Led8 = 1;
   	   	Delay_xMs(100);
   	   	_Led1 = 1;				//點亮LED3,熄滅LED2,LED1,LED4
   	   	_Led2 = 1;
   	   	_Led3 = 0;
   	   	_Led4 = 1;
   	  	_Led5 = 1;
   	  	_Led6 = 1;
   	  	_Led7 = 1;
   	  	_Led8 = 1;
   	   	Delay_xMs(100);
   	   	_Led1 = 1;				//點亮LED4,熄滅LED2,LED3,LED1
   	   	_Led2 = 1;
   	   	_Led3 = 1;
   	   	_Led4 = 0;
   	  	_Led5 = 1;
   	  	_Led6 = 1;
   	  	_Led7 = 1;
   	  	_Led8 = 1;
   	   	Delay_xMs(100);
         
   	   	_Led1 = 1;				//,熄滅LED2,LED3,LED4,Led1
   	   	_Led2 = 1;
   	   	_Led3 = 1;
   	   	_Led4 = 1;
   	  	_Led5 = 0;
   	  	_Led6 = 1;
   	  	_Led7 = 1;
   	  	_Led8 = 1;
		Delay_xMs(100);			//延時一段時間
   	   	_Led1 = 1;				//,熄滅LED2,LED3,LED4,Led1
   	   	_Led2 = 1;
   	   	_Led3 = 1;
   	   	_Led4 = 1;
   	  	_Led5 = 1;
   	  	_Led6 = 0;
   	  	_Led7 = 1;
   	  	_Led8 = 1;	
		Delay_xMs(100);			//延時一段時間
   	   	_Led1 = 1;				//,熄滅LED2,LED3,LED4,Led1
   	   	_Led2 = 1;
   	   	_Led3 = 1;
   	   	_Led4 = 1;
   	  	_Led5 = 1;
   	  	_Led6 = 1;
   	  	_Led7 = 0;
   	  	_Led8 = 1;
		Delay_xMs(100);			//延時一段時間
   	   	_Led1 = 1;				//,熄滅LED2,LED3,LED4,Led1
   	   	_Led2 = 1;
   	   	_Led3 = 1;
   	   	_Led4 = 1;
   	  	_Led5 = 1;
   	  	_Led6 = 1;
   	  	_Led7 = 1;
   	  	_Led8 = 0;
		Delay_xMs(100);			//延時一段時間
   	}
}