数码管系统测试程序.doc

#include#includesbit S1=P10; /流水灯顺时针流水sbit S2=P11; /流水灯逆时针sbit S3=P12; /数码管显示数字0-7sbit S4=P13; /显示数字钟sbit S5=P14; /显示八个8.和流水灯流水sbit S6=P15; /数码管各段循环sbit S7=P16; /位控从p2.0-p2.7循环sbit S8=P17; /#define uint unsigned int #define uchar unsigned char uchar code discode=0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0xBF;/送段码0-9和- uchar disbitcode=0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe; /送位码 uchar table=0x7f,0xbf,0xdf,0xef,0xf7,0xfb,0xfd,0xfe; uchar disbuf8=0,0,10,0,0,10,0,0;/显示缓冲区 uchar cent,second,minite,hour,i,a;/*函数申明*/void display(void);void ini(void);void t0(void);/延时/ void delay(uint m) while(-m); / /初始化/ void ini(void)/ TMOD=0x01; TH0=(65536-46082)/256; TL0=(65536-46082)%256;/ TR0=1; ET0=1; EA=1; /显示函数 void display(void) uchar i; for(i=0;i8;i+)P0=discodedisbufi; P2=disbitcodei;delay(100); /中断/ void t0(void) interrupt 1 using 0/用第0组寄存器 cent+; if(cent=20) P3=P3;cent=0;second+;if(second=60) second=0; minite+; if(minite=60)minite=0;hour+;if(hour=24)hour=0;disbuf7=second%10; /*更新显示缓冲区*/ disbuf6=second/10;disbuf4=minite%10;disbuf3=minite/10; disbuf1=hour%10;disbuf0=hour/10; TH0=(65536-46082)/256; TL0=(65536-46082)%256; void main(void) uchar i; uint ii; ini(); while(1) / if(S1=0) delay(50);if(S1=0)while(1)uchar temp;temp=0xfe;for(i=0;i200;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;ii100;ii+)for(i=0;i8;i+)delay(15000);P3=tablei;if(ii=100)break; P3=0xff;while(S2=0);/判释放/if(S3=0)delay(50);if(S3=0)while(1) P3=0x00;for(ii=0;ii10000;ii+) for(i=0;i8;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;ii3;ii+) display();if(ii=3)break; while(S4=0);/判释放/ if(S5=0)delay(50); if(S5=0)uchar temp=0xfe; P0=0x00;/8.段码 P2=0x00;/静态显示 for(i=0;i200;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)uchar temp=0xfe;P3=0xff;P2=0x00; for(ii=0;ii200;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)uchar temp=0xfe;P3=0xff;P0=0xff; for(ii=0;ii200;ii