时钟程序

ID:117161 · 发表于 2016-5-14 17:16

#include<reg52.h>
#define uchar unsigned char
#define uint unsigned int
sbit dula=P0;
sbit wela=P2;
uchar code table[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0X80,0X90};
void delay(ms);
uint num,shi,ge,fshi,fge,sshi,sge,aj,a,b;
unsigned char num1,num2,num3,dfg,dfs,dsg,dss;
void display()
{
   P2=0x80;
   P0=table[ge];
   delay(5);
   P0=0xff;

   P2=0x40;
   P0=table[shi];
   delay(5);
   P0=0xff;

   P2=0x20;
   P0=0xbf;
   delay(5);
   P0=0xff;

   P2=0x10;
   P0=table[fge];
   delay(5);
   P0=0xff;

   P2=0x08;
   P0=table[fshi];
   delay(5);
   P0=0xff;

   P2=0x04;
   P0=0xbf;
   delay(5);
   P0=0xff;

   P2=0x02;
   P0=table[sge];
   delay(5);
   P0=0xff;

   P2=0x01;
   P0=table[sshi];
   delay(5);
   P0=0xff;
}
void delay(ms)
{
uint i,j;
   for(i=ms;i>0;i--)
   for(j=10;j>0;j--);
}
void TO_time()interrupt 1
{
   num++;
      if(num==5000)
{
num=0;
num1++;
if(num1==60)
{num1=0;
num2++;
      if(num2==60)
{  num2=0;
num3++;
if(num3==24)
   {num3=0;
   }
   }
}
}
shi=num1/10;
   ge=num1%10;
fshi=num2/10;
   fge=num2%10;
   sshi=num3/10;
sge=num3%10;

}
void main()
{    TMOD=0x02;
      TH0=(256-200);
      TL0=(256-200);
      EA=1;
      ET0=1;
      TR0=1;
num1=30;
   num2=59;
   num3=23;
      while(1)
{
display();
}

  }

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时钟程序

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