数码管系统测试程序

1、#include<reg52.h>#include<intrins.h>sbit S1=P1A0sbit S2=P1A1sbit S3=P1A2sbit S4=P1A3sbit S5=P1A4sbit S6=P1A5sbit S7=P1A6sbit S8=P1A7/流水灯顺时针流水/流水灯逆时针/数码管显示数字0-7/显示数字钟/显示八个8.和流水灯流水/数码管各段循环/位控从p2.0-p2.7循环/#defineuintunsignedint#defineucharunsignedcharucharcodediscode=0xC0,0xF9,0xA4,0xB0,0x9

2、9,0x92,0x82,0xF8,0x80,0x90,0xBF;/送段码0-9和-uchardisbitcode=0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe;/送位码uchartable=0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe;uchardisbuf8=0,0,10,0,0,10,0,0;/显示缓冲区ucharcent,second,minite,hour,i,a;/*函数申明*/voiddisplay(void);voidini(void);voidt0(void);/延时/voiddelay(uintm)while

3、(-m);/初始化/voidini(void)/TMOD=0x01;TH0=(65536-46082)/256;TL0=(65536-46082)%6;/TR0=1;ET0=1;EA=1;/显示函数voiddisplay(void)uchari;for(i=0;i<8;i+)P0=discodedisbufi;P2=disbitcodei;delay(100);/中断/voidt0(void)interrupt1using0/用第0组寄存器cent+;if(cent=20)P3=P3;cent=0;second+;if(second=60)second=0;minite+;if(mini

4、te=60)minite=0;hour+;if(hour=24)hour=0;disbuf7=second_x0010_;/*更新显示缓冲区*/disbuf6=second/10;disbuf4=minite_x0010_;disbuf3=minite/10;disbuf1=hour_x0010_;disbuf0=hour/10;TH0=(65536-46082)/256;TL0=(65536-46082)%6;voidmain(void)uchari;uintii;ini();while(1)/if(S1=0)delay(50);if(S1=0)while(1)uchartemp;temp=

5、0xfe;for(i=0;i<200;i+)delay(15000);temp=_crol_(temp,1);P3=temp;if(i=200)break;P3=0xff;while(S1=0);/判释放/if(S2=0)delay(50);if(S2=0)while(1)for(ii=0;ii<100;ii+)for(i=0;i<8;i+)delay(15000);P3=tablei;if(ii=100)break;P3=0xff;判释放while(S2=0);/if(S3=0)delay(50);if(S3=0)while(1)P3=0x00;for(ii=0;ii<

6、;10000;ii+)for(i=0;i<8;i+)P0=discodei;/取显示数据P2=disbitcodei;/取段码delay(100);/扫描间隙延时if(ii=10000)break;P0=0xff;P3=0xff;while(S3=0);/判释放/if(S4=0)delay(50);if(S4=0)P3=0xff;TR0=1;while(1)for(ii=0;ii<3;ii+)display();if(ii=3)break;while(S4=0);/判释放/if(S5=0)delay(50);if(S5=0)uchartemp=0xfe;<、'?、？?

7、爬段码P2=0x00;/静态显示for(i=0;i<200;i+)P3=temp;delay(60000);temp=_crol_(temp,1);if(i=200)break;while(S5=0);/判释放/if(S6=0)delay(50);if(S6=0)uchartemp=0xfe;P3=0xff;P2=0x00;for(ii=0;ii<200;ii+)P0=temp;delay(50000);temp=_crol_(temp,1);if(ii=200)break;P0=0xff;while(S6=0);/判释放/if(S7=0)delay(50);if(S7=0)uchartemp=0xfe;P3=0xff;P0=0xff;for(ii=0;ii<200;ii+