51单片机时钟（附源码仿真） -

标题: 51单片机时钟（附源码仿真） [打印本页]

作者: bxyyhan 时间: 2015-12-26 18:35
标题: 51单片机时钟（附源码仿真）
单片机用手里闲置的STC89C52RC.并在开发板上调试成功。

#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
uchar code table[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90};
sbit d1=P1^0;//定义d1
sbit d2=P1^7;//定义d1
sbit key1=P3^2;//按键定义
sbit key2=P3^3;
sbit key3=P3^4;
sbit key4=P3^5;
sbit LED1=P2^3;
sbit LED2=P2^2;
sbit LED3=P2^1;
sbit LED4=P2^0;

uchar temp,aa,miaos,miaog,qian,bai,shi,ge,fen,sh,bb,mh;
void display(uchar qian,uchar bai,uchar shi,
uchar ge);
void delay(uint z)
{
      uint x,y;
      for(x=z;x>0;x--)
      for(y=110;y>0;y--);
}
void init();
void main()
{
      init();//初始化子程序
      mh=1;
      while(1)
      {
            if(key1==0)
            {
                     delay(200);
                     while(key1==0);
                     fen++;
                     if(fen==59)
                     {
                              fen=0;
                     }
            }
            if(key2==0)
            {
                     delay(200);
                     while(key2==0);
                     if(fen!=0)
                     {
                              fen--;
                     }
                     if(fen==0)
                     {
                              fen=59;
                     }
            }
            if(key3==0)
            {
                     delay(200);
                     while(key3==0);
                     sh++;
                     if(sh==23)
                     {
                              sh=0;
                     }
            }
            if(key4==0)
            {
                     delay(200);
                     while(key4==0);
                     if(sh!=0)
                     {
                              sh--;
                     }
                     if(sh==0)
                     {
                              sh=23;
                     }

            }
            if(aa==20)
            {
                     bb++;
                     aa=0;
                     miaog=bb%10;
                     miaos=bb/10%6;
                     mh=~mh;
            }
            if(bb==60)
            {
                     fen++;
                     bb=0;
            }
            ge=fen%10;
            shi=fen/10%6;
            if(fen==60)
            {       sh++;
                     fen=0;
                     fen=0;

            }
            bai=sh%10;
            qian=sh/10;
            if(bai==10)
            bai=0;
            if(qian==2)
            {
                     if(bai==4)
                     {
                              qian=0;
                              bai=0;
                     }
            }
            if(sh==24)
            {
                     sh=0;
            }
            display(qian,bai,shi,ge);
      }
}

void display(uchar qian,uchar bai,uchar shi,
uchar ge)
{
      LED1=1;
      P0=table[qian];
      LED1=0;
      delay(1);
      LED1=1;

      LED2=1;
      P0=table[bai];
      LED2=0;
      delay(1);
      LED2=1;

      LED2=1;
      if(mh==1)
      {
         P0=0x7F;
      }
      else P0=0xFF;
      LED2=0;
      delay(3);
      LED2=1;

      LED3=1;
      P0=table[shi];
      LED3=0;
      delay(1);
      LED3=1;

      LED4=1;
      P0=table[ge];
      LED4=0;
      delay(1);
      LED4=1;
}

void init()
{
      d1=1;
      d2=1;
      fen=0;
      sh=0;
      temp=0;
      TMOD=0x01;
      TH0=(65536-50000)/256;
      TL0=(65536-50000)%256;
      EA=1;
      ET0=1;
      TR0=1;
}

void timer0() interrupt 1
{
      TH0=(65536-50000)/256;
      TL0=(65536-50000)%256;
      aa++;
}

LED 大时钟.part1.rar

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LED 大时钟.part2.rar

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