AT89C51单片机开发板程序

A T89C51单片机开发板程序1个LED数码管静态显示（0-9）include<reg52.h>#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;i<10;i++){P2=0xfe;P0=a[i];delay(1000);}}}void delay(uint z){uint x,y;for(x=z;x>0;x--)for(y=122;y>0;y--);}LED数码管显示（0-99）#include<reg52.h>unsigned 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 1{TH0=0xd8;TL0=0xf0;if(P2&1)P1=table[num/10];else P1=table[num%10];P2^=3;if(++count<100)return;count=0;if(++num>99)num=0;}定时控制一只闪亮的灯#include<reg51.h>#define uchar unsigned char#define uint unsigned intuint n;sbit led=P0^0;void main (){TMOD&=0xf1;TMOD|=0x01;EA=1;ET0=1;TR0=1;while(1){}}void timer0() interrupt 1{n++;if(n==100){n=0;led=~led;}}用独立键盘显示LED数码管（1-4）#include<reg52.h>#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;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=a[c];}}void delay(uint z){uint x,y;for(x=z;x<0;x--)for(y=122;y<0;y--);}用矩阵键盘显示LED数码管（0-9，A-F）#include<reg52.h>#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=P0^3;sbit hang2=P0^2;sbit hang3=P0^1;sbit hang4=P0^0;void main(){uchar b,c;c=16;{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=a[c];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){{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=a[c];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=a[c];hang1=1;hang2=1;hang3=1;hang4=0;P0|=0xf0;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=a[c];}}void delay(uint z){uint x,y;for(x=z;x>0;x--)for(y=122;y>0;y--);}一只闪亮的灯#include<reg52.h>#define uchar unsigned char #define uint unsigned int sbit led=P2^0;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;x>0;x--)for(y=122;y>0;y--);}中断控制流水灯(从右向左) #include<reg52.h>#include<intrins.h>#define uchar unsigned char #define uint unsigned int uchar 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;x>0;x--)for(y=122;y>0;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<reg52.h>#include<intrins.h>#define uchar unsigned char #define uint unsigned int uchar 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;x>0;x--)for(y=122;y>0;y--);}void extern1() interrupt 2 {P2=0x00;delay(2000);P2=0xff;delay(2000);}1位密码锁#include<reg52.h>#define uchar unsigned char #define uint unsigned int#define mima 3#define duanma P1sbit weima=P3^0;sbit redled=P0^5;sbit greenled=P0^6;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;}else{duanma=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;x>0;x--)for(y=122;y>0;y--);}电子钟#include<reg52.h>#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 xianshi[4];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;}}}xianshi[0]=duan[sec%10];xianshi[1]=duan[sec/10];xianshi[2]=duan[min%10];xianshi[3]=duan[min/10];for(i=0;i<4;i++){P2=xianshi[i];P0=wei[i];delay(5);}}}void init(){TMOD&=0XF1;TMOD|=0X01;EA=1;ET0=1;TR0=1;}void timer0() interrupt 1{tt++;}void delay(uint z){uint x,y;for(x=z;x>0;x--)for(y=122;y>0;y--);}交通灯#include<reg52.h>#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 xianshi[2];uint time,tt;void display();void delay(uint z);void init();void main(){init();while(1){uchar j;for(;time==0&&j<8;j=j+2) {time=chushi[j+1];P1=chushi[j];}if(j==8)j=0;if(tt>=10){tt=0;time--;}xianshi[0]=duan[time/10]; xianshi[1]=duan[time%10]; display();}}void init(){TMOD&=0xf1;TMOD|=0x01;EA=1;ET0=1;TR0=1;}void display(){uchar i;for(i=0;i<2;i++){P2=weitable[i];P0=xianshi[i];delay(5);}}void delay(uint z){uint x;uchar y;for(x=z;x>0;x--)for(y=122;y>0;y--);}void timer0() interrupt 1 {tt++;}4个LED数码管动态显示（0-9）#include<reg52.h>#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;x>0;x--)for(y=122;y>0;y--);}4个LED数码管依次显示（0-9）#include<reg52.h>#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;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;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;x>0;x--)for(y=122;y>0;y--);}LED单向流水灯（从右向左）#include<reg52.h>#define uchar unsigned char#define uint unsigned intvoid delay (uint z);{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;x>0;x--)for(y=122;y>0;y--);}LED单向流水灯（从左向右）#include<reg52.h>#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) ;delay(1000) ;P2=0x7f;delay (1000);}void delay (uint z){uint x,y;for(x=z;x>0;x--)for(y=122;y>0;y--)}LED双向流水灯（从里向外）#include<reg52.h>#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;x>0;x--)for(y=122;y>0;y--);}LED双向流水灯（从外向里）#include<reg52.h>#define uchar unsigned char#define uint unsigned intvoid delay (uint z);void main(){P2=0x7e;delay(1000);P2=0xbd;delay(1000) ;delay(1000) ;P2=0xe7;delay (1000);}void delay (uint z){uint x,y;for(x=z;x>0;x--)for(y=122;y>0;y--);}一只闪亮的灯#include<reg52.h>#define uchar unsigned char #define uint unsigned int void delay (uint z);void main(){P2=0xfe;delay(1000);P2=0xff;delay(1000);}void delay(uint z){uint x;uint y;for(x=z;x>0;x--)for(y=122;y>0;y--);}八只会闪亮的灯#include<reg52.h>#define uchar unsigned char #define uint unsigned int void delay (uint z);void main(){P2=0x00;delay(1000);P2=0xff;delay(1000);}void delay(uint z){uint y;for(x=z;x>0;x--)for(y=122;y>0;y--);}中断控制数码管动态显示#include<reg52.h>#include<intrins.h>#define uchar unsigned char#define uint unsigned intuchar code duantable[]={0xc0,0xf9,0xa4,0xb0}; uchar code weitable[]={0xfe,0xfd,0xfb,0xf7}; uchar led,temp;void delay(uint z);void main(){EA=1;EX1=1;temp=0x7f;while(1){P1=temp;temp=_cror_(temp,1);delay(1000);P2=0xff;}}void extern1() interrupt 2{uchar i;for(i=0;i<4;i++){P1=0xff;P0=duantable[i];P2=weitable[i];delay(1000);}}void delay(uint z){uint x,y;for(x=z;x>0;x--)for(y=122;y>0;y--);}数码管动态显示#include<reg52.h>#define uint unsigned int#define uchar unsigned charuchar code duantable[]={0xc0,0xf9,0xa4,0xb0};uchar code weitable[]={0xfe,0xfd,0xfb,0xf7};void delay(uint z){uint x,y;for(x=z;x>0;x--)for(y=122;y>0;y--);}void main(){while(1){uchar i;for(i=0;i<4;i++){P0=duantable[i];P2=weitable[i];delay(1000);}}}多功能中断控制数码管动态显示#include<reg52.h>#include<intrins.h>#define uchar unsigned char#define uint unsigned intuchar code duantable[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; uchar code weitable[]={0xfe,0xfd,0xfb,0xf7,0xfe,0xfd,0xfb,0xf7,0xfe,0xfd,0xf0}; uchar led,temp;void delay(uint z);void main(){EA=1;EX1=1;temp=0x7f;while(1){P1=temp;temp=_cror_(temp,1);delay(1000);P2=0xff;}}void extern1() interrupt 2 {uchar i;for(i=0;i<10;i++){P1=0xff;P0=duantable[i];P2=weitable[i];delay(1000);}}void delay(uint z){uint x,y;for(x=z;x>0;x--)for(y=122;y>0;y--);}。