数码管显示的电子时钟C51程序
时间:11-29
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功能: 实现电子时钟显示(C)定义: P3口位选,P1口段选,P0.0,P0.1,P0.2为调时口时间: 2010—11—26说明: 仿真存在问题,这可能是仿真软件的问题,需要将段位扫描反调实际运行的结果是正确的*************************************************************/#include unsigned char code dispcode[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0x00};unsigned char dispbitcode[]={0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f};unsigned char dispbuf[8]={0,0,16,0,0,16,0,0};unsigned char dispbitcnt;unsigned char second;unsigned char minite;unsigned char hour;unsigned int tcnt;unsigned char mstcnt;unsigned char i,j;void main(void){TMOD=0x02;TH0=0x06;TL0=0x06;TR0=1;ET0=1;EA=1;while(1){if(P0_0==0){for(i=5;i>0;i--)for(j=248;j>0;j--);if(P0_0==0){second++;if(second==60){second=0;}dispbuf[0]=second%10;dispbuf[1]=second/10;while(P0_0==0);}}if(P0_1==0){for(i=5;i>0;i--)for(j=248;j>0;j--);if(P0_1==0){minite++;if(minite==60){minite=0;}dispbuf[3]=minite%10;dispbuf[4]=minite/10;while(P0_1==0);}}if(P0_2==0){for(i=5;i>0;i--)for(j=248;j>0;j--);if(P0_2==0){hour++;if(hour==24){hour=0;}dispbuf[6]=hour%10;dispbuf[7]=hour/10;while(P0_2==0);}}}}void t0(void) interrupt 1 using 0{mstcnt++;if(mstcnt==8){mstcnt=0;P1=dispcode[dispbuf[dispbitcnt]];P3=dispbitcode[dispbitcnt];dispbitcnt++;if(dispbitcnt==8){dispbitcnt=0;}}tcnt++;if(tcnt==4000){tcnt=0;second++;if(second==60){second=0;minite++;if(minite==60){minite=0;hour++;if(hour==24){hour=0;}}}dispbuf[0]=second%10;dispbuf[1]=second/10;dispbuf[3]=minite%10;dispbuf[4]=minite/10;dispbuf[6]=hour%10;dispbuf[7]=hour/10;}}/*************************************************************功能: 实现电子时钟显示(C)定义: P2口位选,P0口段选 时间: 2010—11—26*************************************************************/#includecode unsigned char tab[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90}; unsigned char StrTab[6]; unsigned char minute=30,hour=12,second=0; void Displaypro(void){ StrTab[0]=tab[second%10]; StrTab[1]=tab[second/10]; StrTab[2]=tab[minute%10]; StrTab[3]=tab[minute/10]; StrTab[4]=tab[hour%10]; StrTab[5]=tab[hour/10]; }main(){ TMOD |=0x01; TH0=0xd8; TL0=0xf0; ET0=1; TR0=1; TMOD |=0x10; TH1=0xF8; TL1=0xf0; ET1=1; TR1=1; EA =1; while(1){;} }void time1_isr(void) interrupt 3{ static unsigned char num; TH1=0xf8; TL1=0xf0; switch (num) { case 0:P2=0x01;P0=StrTab[num];break; case 1:P2=0x02;P0=StrTab[num];break; case 2:P2=0x04;P0=StrTab[num];break; case 3:P2=0x08;P0=StrTab[num];break; case 4:P2=0x10;P0=StrTab[num];break; case 5:P2=0x20;P0=StrTab[num];break; default:break; } num++; if(num==6) num=0;}void tim(void) interrupt 1{ static unsigned char count; TH0=0xd8; TL0=0xf0; count++; switch (count) { case 0: case 20: case 40: case 60: case 80:Displaypro();break; default:break; } if (count==100) { count=0; second++; if(second==60) { second=0; minute++; if(minute==60) { minute=0; hour++; if(hour==24) hour=0; } } }}//源代码下载 :http://www.51hei.com/f/szc511.rar
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