100道KEIL+Proteus仿真實例

001：閃爍的LED

#include<reg51.h>
#define u8 unsigned char
#define u16 unsigned int
sbit LED=P2^0;
void delay(u16 x)
{
	uchar i;
	while(x--)
	{
		for(i=0;i<120;i++);
	}
}
void main()
{
	while(1)
	{
		LED=~LED;
		delay(150);
	}
}

002：從左到右的流水

#include<reg51.h>
#include<intrins.h>
#define u8 unsigned char
#define u16 unsigned int
void delay(u16 n)
{
	while(n--);
	
}

void main()

{	u8 i=0;
	P2=0xfe;
	delay(50000);
	P2=0xfe;
	while(1)
	{
		P2=_crol_(P2,1); //P2的值向左循環移動
		delay(50000);
	}
}

003：8只LED左右來回點亮

#include <reg51.h>
#include <intrins.h>
typedef unsigned char u8;
typedef unsigned int u16;

#define led P2 
void delay(u16 i)
{
	while(i--);
	}
void main()
{	u8 i=0;
	led=0xfe;
	delay(50000);
   while(1)
   {
   	for(i=0;i<7;i++)
	{
	  led=_crol_(led,1);
	  delay(50000);
	}
		for(i=0;i<7;i++)
		{
	  	 led=_cror_(led,1);
	 	 delay(50000);

		}
	}
}

004開關控制LED

#include<reg51.h>
sbit SW1=P1^4;
sbit SW2=P1^5;
sbit LED1=P2^0;
sbit LED2=P2^1;
void main()
{
	while(1)
	{
		LED1=SW1;
		LED2=SW2;
	}
}

005：花樣流水燈

#include "reg51.h"
#define u8 unsigned char
#define u16 unsigned int
u8 code sng_P0[]={	0xfc,0xf9,0xf3,0xe7,0xcf,0x9f,0x3f,0x7f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xe7,0xdb,0xbd,0x7e,0xbd,0xdb,0xe7,0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7,0xff,0xaa,0x55,0x18,0xff,0xf0,0x0f,0x00,0xff,0xf8,0xf1,0xe3,0xc7,0x8f,0x1f,0x3f,0x7f,0x7f,0x3f,0x1f,0x8f,0xc7,0xe3,0xf1,0xf8,0xff,0x00,0x00,0xff,0xff,0x0f,0xf0,0xff,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff};
u8 code sng_P3[]= {
0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfc,0xf9,0xf3,0xe7,0xcf,0x9f,0x3f,0xff,0xe7,0xdb,0xbd,0x7e,0xbd,0xdb,0xe7,0xff,0xe7,0xc3,0x81,0x00,0x81,0xc3,0xe7,0xff,0xaa,0x55,0x18,0xff,0xf0,0x0f,0x00,0xff,0xf8,0xf1,0xe3,0xc7,0x8f,0x1f,0x3f,0x7f,0x7f,0x3f,0x1f,0x8f,0xc7,0xe3,0xf1,0xf8,0xff,0x00,0x00,0xff,0xff,0x0f,0xf0,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f,0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xfe,0xfc,0xf8,0xf0,0xe0,0xc0,0x80,0x00,0x00,0x80,0xc0,0xe0,0xf0,0xf8,0xfc,0xfe,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x00,0xff,0x00,0xff,0x00,0xff,0x00,0xff};
void delay(u8 n)
{	 u8 e=0;
	while(n--) for(e=0;e<120;e++);
	}
	void main()
{	 u8 i;
	while(1)
	{   	
	for(i=0;i<136;i++)
			{
			P0=sng_P0[i];
			P3=sng_P3[i];
			delay(200)	;
			}
		}	}

006：交通信號燈

#include "reg51.h"
#define u8  unsigned char
#define u16 unsigned int
sbit	RDX=P0^0;	  //東西
sbit	YDX=P0^1;	 
sbit	GDX=P0^2;	
sbit	RNB=P0^3;	   //南北
sbit	YNB=P0^4;	  
sbit	GNB=P0^5;
u16		s=0,c=1;

void delay(u16 n)
{	
	u8 i ;
	while(n--)
	for(i=0;i<120;i++);
}


void change()
{
  switch(c)
	  {	
	  	case 1: RDX=1;YDX=1;GDX=0;
				RNB=0;YNB=1;GNB=1;
				delay(2000);
				c=2;
				break;
		case 2:	delay(300);
				YDX=~YDX; GDX=1;
				if(++s!=10)return;
				s=0;
				c=3;
				break;
		case 3:	RDX=0;YDX=1;GDX=1;
				RNB=1;YNB=1;GNB=0;
				delay(2000);
				c=4;break;
		case 4:	delay(300);
				YNB=~YNB; GDX=1;
				if(++s!=10) return;
				s=0;
				c=1;
		 }
}
void main()
{
	while(1) 
	change();
}				

007：數碼管顯示0~9

#include "reg51.h"
typedef unsigned int u16;
unsigned char s[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,};
 void delay(u16 n)   
{
   while(n--);
}
 void seg()
{
	u16 i=0;	 
	for(i=0;i<11;i++)
 	{
		P2=s[i];
		   delay(50000);
		}
	}
  void main()
  {
  
   while(1)
   {
   	 seg();
	  }

  }

008：數碼管顯示HELLO

#include "reg51.h"			 

typedef unsigned int u16;	  
typedef unsigned char u8;

sbit LSA=P3^0;
sbit LSB=P3^1;
sbit LSC=P3^2;

u8 code smgduan[5]={0x76,0x79,0x38,0x38,0x3f};
void delay(u16 i)
{
	while(i--);	
}

void DigDisplay()
{
	u8 i;
	for(i=0;i<8;i++)
	{
		switch(i)	 
		{
		   case(0):
				LSA=0;LSB=0;LSC=0; break;
			case(1):
				LSA=1;LSB=0;LSC=0; break;
			case(2):
				LSA=0;LSB=1;LSC=0; break;
			case(3):	
				LSA=1;LSB=1;LSC=0; break;
			case(4):
				LSA=0;LSB=0;LSC=1; break;
			case(5):
				LSA=1;LSB=0;LSC=1; break;
			case(6):
				LSA=0;LSB=1;LSC=0; break;
			case(7):
				LSA=1;LSB=1;LSC=1; break;	
		}
		P2=smgduan[i];
		delay(100);
		P2=0x00;
	}
}

void main()
{	
	while(1)
	{	
		DigDisplay(); 	
	}		
}

看完添加一下