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【51单片机6位数码管显示时间与秒表】2022-5-8

news 来源：原创 2025/5/5 9:29:24

缘由数码管 keil proteus 为什么出现这种情况呢？-编程语言-CSDN问答

#include "reg52.h"
unsigned char code smgduan[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x77,0x7c,0x39,0x5e,0x79,0x71,0,64}; //共阴0~F消隐减号
unsigned char code DuLiAnJian[]={1,2,4,8,16,32,64,128,254,253,251,247,239,223,191,127};
unsigned char Js=0, Miao=59, Fen=59, Shi=11, Hm=0;//中断计时 秒 分 时 毫秒
unsigned int MiaoBiao=0;
bit QhShi=0,Mb=0;//12/24切换 秒表
void ZhongDuanSheZhi()
{TH0+=0X4c;/*定时器赋初值，定时50ms触发中断，自动补偿方式*/TL0+=0X00; TMOD=0X01;//16位定时器/计数器TR0=1; //启动定时器T0。ET0=1; //开启定时器EA=1; //全局中断开关
}
void ZhongDuan() interrupt 1
{++Js;TH0+=0X4c;TL0+=0X00;        
}
void JiShi(/*时间计算*/)
{if(Js==2){if(++Hm==10){Hm=0;if(++MiaoBiao==1000)MiaoBiao=0;++Miao;}if(Miao==60){Miao=0;++Fen;}if(Fen==60){Fen=0;++Shi;}if(Shi==24)Shi=0;Js=0;}
}
void main()
{unsigned char Ys=0,wei=1,Xd=0;//延时 数码位 消抖ZhongDuanSheZhi(/*中断设置*/);while(1){JiShi(/*时间计算*/);if(P1==DuLiAnJian[11]&&!++Xd){++Miao;while(P1==DuLiAnJian[11]);}else if(P1==DuLiAnJian[15]&&!++Xd){Miao=(Miao?--Miao:59);while(P1==DuLiAnJian[15]);}else if(P1==DuLiAnJian[10]&&!++Xd){++Fen;while(P1==DuLiAnJian[10]);}else if(P1==DuLiAnJian[14]&&!++Xd){(Fen=Fen?--Fen:59);while(P1==DuLiAnJian[14]);}else if(P1==DuLiAnJian[9]&&!++Xd){++Shi;while(P1==DuLiAnJian[9]);}else if(P1==DuLiAnJian[13]&&!++Xd){(Shi=Shi?--Shi:23);while(P1==DuLiAnJian[13]);}else if(P1==DuLiAnJian[8]&&!++Xd){QhShi=~QhShi;while(P1==DuLiAnJian[8]);}else if(P1==DuLiAnJian[12]&&!++Xd){Mb=~Mb;if(Mb)MiaoBiao=Hm=0;while(P1==DuLiAnJian[12]);}if(!++Ys){P2=wei;if(Mb==0){if(wei==1)P0=~smgduan[(QhShi&&Shi>12?Shi-12:Shi)/10];else if(wei==2)P0=~(smgduan[(QhShi&&Shi>12?Shi-12:Shi)-(QhShi&&Shi>12?Shi-12:Shi)/10*10]|0X80);else if(wei==4)P0=~smgduan[Fen/10];else if(wei==8)P0=~(smgduan[Fen-Fen/10*10]|0X80);//(Mb?0X00:0X80)else if(wei==16)P0=~smgduan[Miao/10];else if(wei==32)P0=~smgduan[Miao-Miao/10*10];}else{if(wei==1)P0=255;else if(wei==2)P0=~smgduan[MiaoBiao/100];else if(wei==4)P0=~smgduan[MiaoBiao/10-MiaoBiao/10/10*10];else if(wei==8)P0=~(smgduan[MiaoBiao-MiaoBiao/10*10]|0X80);else if(wei==16)P0=~smgduan[Hm];else if(wei==32)P0=255;}if((wei*=2)>32)wei=1;//数码管动态显示Ys=147;}}
}