AT89C51单片机开发板程序.doc

AT89C51单片机开发板程序1个LED数码管静态显示（0-9）include#define uchar unsigned char#define uint unsigned intuchar i;uchar code a=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90;void delay(uint z);void main()while(1)for(i=0;i0;x-)for(y=122;y0;y-);LED数码管显示（0-99）#includeunsigned char count,num;unsigned char code table=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90;void main()P2=0xfe;IE=0x82;TMOD=0x01;TCON=0x30;while(1);void TOINT() interrupt 1TH0=0xd8;TL0=0xf0;if(P2&1)P1=tablenum/10;else P1=tablenum%10;P2=3;if(+count99)num=0;定时控制一只闪亮的灯#include#define uchar unsigned char#define uint unsigned intuint n;sbit led=P00;void main ()TMOD&=0xf1;TMOD|=0x01;TH0=(65536-10000)/256;TL0=(65536-10000)%256;EA=1;ET0=1;TR0=1;while(1)void timer0() interrupt 1TH0=(65536-10000)/256;TL0=(65536-10000)%256;n+;if(n=100)n=0;led=led;用独立键盘显示LED数码管（1-4）#include#define uchar unsigned char#define uint unsigned intuchar code a=0xc0,0xf9,0xa4,0xb0,0x99,0xff;void delay(uint z);void main() uchar b,c;c=5;while(1)P0|=0x0f;b=P0;b&=0x0f;if(b!=0x0f)delay(20);P0|=0x0f;b=P0;b&=0x0f;if(b!=0x0f)switch(b)case 0x0e:c=1;break;case 0x0d:c=2;break;case 0x0b:c=3;break;case 0x07:c=4;break;default:c=0;P1&=0xfe;P2=ac;void delay(uint z)uint x,y;for(x=z;x0;x-)for(y=122;y0;y-);用矩阵键盘显示LED数码管（0-9，A-F）#include#define uint unsigned int#define uchar unsigned charuchar code a=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x88,0x83,0xc6,0xa1,0x86,0x8e,0xff;void delay(uint z);sbit hang1=P03;sbit hang2=P02;sbit hang3=P01;sbit hang4=P00;void main()uchar b,c;c=16;while(1) hang1=0;hang2=1;hang3=1;hang4=1; P0|=0xf0;b=P0;b&=0xf0;if(b!=0xf0)delay(10);P0|=0xf0;b=P0;b&=0xf0;if(b!=0xf0)switch(b)case 0xe0:c=0;break;case 0xd0:c=1;break;case 0xb0:c=2;break;case 0x70:c=3;break;default:c=16;P3&=0xf0;P2=ac;hang1=1;hang2=0;hang3=1;hang4=1;P0|=0xf0;b=P0;b&=0xf0;if(b!=0xf0)delay(10);P0|=0xf0;b=P0;b&=0xf0;if(b!=0xf0)switch(b)case 0xe0:c=4;break;case 0xd0:c=5;break;case 0xb0:c=6;break;case 0x70:c=7;break;default:c=16;P3&=0xf0;P2=ac;hang1=1;hang2=1;hang3=0;hang4=1;P0|=0xf0;b=P0;b&=0xf0;if(b!=0xf0)delay(10);P0|=0xf0;b=P0;b&=0xf0;if(b!=0xf0)switch(b)case 0xe0:c=8;break;case 0xd0:c=9;break;case 0xb0:c=10;break;case 0x70:c=11;break;default:c=16;P3&=0xf0;P2=ac;hang1=1;hang2=1;hang3=1;hang4=0;P0|=0xf0;b=P0;b&=0xf0;if(b!=0xf0)delay(10);P0|=0xf0;b=P0;b&=0xf0;if(b!=0xf0)switch(b)case 0xe0:c=12;break;case 0xd0:c=13;break;case 0xb0:c=14;break;case 0x70:c=15;break;default:c=16;P3&=0xf0;P2=ac;void delay(uint z)uint x,y;for(x=z;x0;x-)for(y=122;y0;y-);一只闪亮的灯#include#define uchar unsigned char#define uint unsigned intsbit led=P20;void delay (uint z);void main()led=0;delay(1000);led=1;delay(1000);void delay(uint z)uint x;uint y;for(x=z;x0;x-)for(y=122;y0;y-);中断控制流水灯(从右向左)#include#include#define uchar unsigned char#define uint unsigned intuchar led,temp;void delay(uint z);void main()EA=1;EX1=1;temp=0x7f;while(1)P2=temp;temp=_cror_(temp,1);delay(1000);void delay(uint z)uint x,y;for(x=z;x0;x-)for(y=122;y0;y-);void extern1() interrupt 2 P2=0x00; delay(2000);P2=0xff;delay(2000);中断控制流水灯(从左向右)#include#include#define uchar unsigned char#define uint unsigned intuchar led,temp;void delay(uint z);void main()EA=1;EX1=1;temp=0xfe;while(1)P2=temp;temp=_crol_(temp,1);delay(1000);void delay(uint z)uint x,y;for(x=z;x0;x-)for(y=122;y0;y-);void extern1() interrupt 2 P2=0x00; delay(2000);P2=0xff;delay(2000);1位密码锁#include#define uchar unsigned char#define uint unsigned int#define mima 3#define duanma P1sbit weima=P30;sbit redled=P05;sbit greenled=P06;uchar key=0xff;void scankey();void delay(uint z);void main()weima=0;while(1)duanma=0xbf;redled=1;greenled=1;scankey();if(key=mima)duanma=0x8c;greenled=0;delay(3000);key=0xff;if(key!=0xff)duanma=0x86;redled=0;delay(3000);key=0xff;elseduanma=0xbf;redled=1;greenled=1;void scankey()uchar keyinput;P0|=0x0f;keyinput=P0;keyinput&=0x0f;if(keyinput!=0x0f)delay(10);P0|=0x0f;keyinput=P0;keyinput&=0x0f;if(keyinput!=0x0f)switch(keyinput)case 0x0e:key=0;break;case 0x0d:key=1;break;case 0x0b:key=2;break;case 0x07:key=3;break;default:key=0xff; void delay(uint z)uint x,y;for(x=z;x0;x-)for(y=122;y0;y-);电子钟#include#define uchar unsigned char#define uint unsigned intuchar code duan=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90;uchar code wei=0xfe,0xfd,0xfb,0xf7;uchar tt,i,sec,min;uchar xianshi4;void delay(uint z);void init();void main()init();while(1)if(tt=20)tt=0;sec+;if(sec=60)sec=0;min+;if(min=60)min=0;xianshi0=duansec%10;xianshi1=duansec/10;xianshi2=duanmin%10;xianshi3=duanmin/10;for(i=0;i0;x-)for(y=122;y0;y-);交通灯#include#define uint unsigned int#define uchar unsigned charuchar code duan=0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0xbf;uchar code weitable=0xFE,0xFD,;uchar code chushi=0x7e,15,0x7d,5,0xdb,15,0xbb,5;uchar xianshi2;uint time,tt;void display();void delay(uint z);void init();void main()init();while(1) uchar j; for(;time=0&j=10)tt=0;time-;xianshi0=duantime/10;xianshi1=duantime%10;display();void init()TMOD&=0xf1;TMOD|=0x01;TH0=(65536-50000)/256;TL0=(35536-50000)%256;EA=1;ET0=1;TR0=1;void display() uchar i;for(i=0;i0;x-)for(y=122;y0;y-);void timer0() interrupt 1TH0=(65536-50000)/256;TL0=(35536-50000)%256;tt+;4个LED数码管动态显示（0-9）#include#define uchar unsigned char#define uint unsigned intvoid delay(uint z);void main()P2=0xfe;P0=0xc0;delay(1000);P2=0xfd;P0=0xf9;delay(1000);P2=0xfb;P0=0xa4;delay(1000);P2=0xf7;P0=0xb0;delay(1000);P2=0xfe;P0=0x99;delay(1000);P2=0xfd;P0=0x92;delay(1000);P2=0xfb;P0=0x82;delay(1000);P2=0xf7;P0=0xf8;delay(1000);P2=0xfe;P0=0x80;delay(1000);P2=0xfd;P0=0x90;delay(1000);void delay(uint z)uint x,y;for(x=z;x0;x-)for(y=122;y0;y-);4个LED数码管依次显示（0-9）#include#define uchar unsigned char#define uint unsigned intvoid delay(uint z);void main()P2=0xf7;P0=0xc0;delay(1000);P2=0xf7;P0=0xf9;delay(1000);P2=0xf7;P0=0xa4;delay(1000);P2=0xf7;P0=0xb0;delay(1000);P2=0xf7;P0=0x99;delay(1000);P2=0xf7;P0=0x92;delay(1000);P2=0xf7;P0=0x82;delay(1000);P2=0xf7;P0=0xf8;delay(1000);P2=0xf7;P0=0x80;delay(1000);P2=0xf7;P0=0x90;delay(1000);P2=0xfb;P0=0xf9;delay(1000);P2=0xfb;P0=0xa4;delay(1000);P2=0xfb;P0=0xb0;delay(1000);P2=0xfb;P0=0x99;delay(1000);P2=0xfb;P0=0x92;delay(1000);P2=0xfb;P0=0x82;delay(1000);P2=0xfb;P0=0xf8;delay(1000);P2=0xfb;P0=0x80;delay(1000);P2=0xfb;P0=0x90;delay(1000);P2=0xfd;P0=0xf9;delay(1000);P2=0xfd;P0=0xa4;delay(1000);P2=0xfd;P0=0xb0;delay(1000);P2=0xfd;P0=0x99;delay(1000);P2=0xfd;P0=0x92;delay(1000);P2=0xfd;P0=0x82;delay(1000);P2=0xfd;P0=0xf8;delay(1000);P2=0xfd;P0=0x80;delay(1000);P2=0xfd;P0=0x90;delay(1000);P2=0xfe;P0=0xf9;delay(1000);P2=0xfe;P0=0xa4;delay(1000);P2=0xfe;P0=0xb0;delay(1000);P2=0xfe;P0=0x99;delay(1000);P2=0xfe;P0=0x92;delay(1000);P2=0xfe;P0=0x82;delay(1000);P2=0xfe;P0=0xf8;delay(1000);P2=0xfe;P0=0x80;delay(1000);P2=0xfe;P0=0x90;delay(1000);void delay(uint z)uint x,y;for(x=z;x0;x-)for(y=122;y0;y-);LED单向流水灯（从右向左）#include#define uchar unsigned char#define uint unsigned intvoid delay (uint z);void main()P2=0x7f;delay(1000);P2=0xbf;delay(1000);P2=0xdf;delay(1000);P2=0xef;delay (1000);P2=0xf7;delay(1000);P2=0xfb;delay(1000);P2=0xfd;delay(1000);P2=0xfe;delay (1000);void delay (uint z)uint x,y;for(x=z;x0;x-)for(y=122;y0;y-);LED单向流水灯（从左向右）#include#define uchar unsigned char#define uint unsigned intvoid delay (uint z);void main()P2=0xfe;delay(1000);P2=0xfd;delay(1000) ;P2=0xfb;delay(1000) ;P2=0xf7;delay (1000);P2=0xef;delay(1000);P2=0xdf;delay(1000) ;P2=0xbf;delay(1000) ;P2=0x7f;delay (1000);void delay (uint z)uint x,y;for(x=z;x0;x-)for(y=122;y0;y-)LED双向流水灯（从里向外）#include#define uchar unsigned char#define uint unsigned intvoid delay (uint z);void main()P2=0xe7;delay(1000);P2=0xdb;delay(1000) ;P2=0xbd;delay(1000) ;P2=0x7e;delay (1000);void delay (uint z)uint x,y;for(x=z;x0;x-)for(y=122;y0;y-);LED双向流水灯（从外向里）#include#define uchar unsigned char#define uint unsigned intvoid delay (uint z);void main()P2=0x7e;delay(1000);P2=0xbd;delay(1000) ;P2=0xdb;delay(1000) ;P2=0xe7;delay (1000);void delay (uint z)uint x,y;for(x=z;x0;x-)for(y=122;y0;y-);一只闪亮的灯#include#define uchar unsigned char#define uint unsigned intvoid delay (uint z);void main()P2=0xfe;delay(1000);P2=0xff;delay(1000);void delay(uint z)uint x;uint y;for(x=z;x0;x-)for(y=122;y0;y-);八只会闪亮的灯#include#define uchar unsigned char#define uint unsigned intvoid delay (uint z);void main()P2=0x00;delay(1000);P2=0xff;delay(1000);void delay(uint z)uint x;uint y;for(x=z;x0;x-)for(y=122;y0;y-);中断控制数码管动态显示#include#include#define uchar unsigned char#define uint unsigned intuchar code duantable=0xc0,0xf9,0xa4,0xb0;ucha