闪烁灯.c

基于Proteus的51系列单片机设计与仿真

/*****************************************************************************
LED闪烁灯
******************************************************************************/
#include"reg51.h"
#define uint unsigned int
#define uchar unsigned char
sbit DIPswitch1=P1^0;
sbit DIPswitch2=P1^1;
sbit redLED1=P0^0;
sbit blueLED1=P0^1;
sbit greenLED1=P0^2;
sbit rellowLED1=P0^3;
sbit redLED2=P0^4;
sbit blueLED2=P0^5;
sbit greenLED2=P0^6;
sbit rellowLED2=P0^7;
void delay(void)    //延时
{
      uint i;
	       for(i=0;i<35530;i++);  
}
void main(void)
{
              P0=0XFF;
		      P1=0XFF;
         while(1)            
         {           //灯亮
			if (DIPswitch1==0)
			  {redLED1=~redLED1;
			  rellowLED2=~rellowLED2;
			  delay();}   
              else if(DIPswitch2==0)
		             {P0=~P0;}
			  else {P0=0x00;} 			 	      
         }
}