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標題: 兩位秒表 [打印本頁]

作者: 157359 時間: 2018-10-26 15:56
標題: 兩位秒表
#include<STC15.H>#define uchar unsigned char#define uint unsigned intuchar code DSY_DUAN[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f,0x40};
unsigned char digbuf[]={0,0};
uint cnt,second;void delayms(uint z)
{
   uint i,j;
   for(i=z;i>0;i--)
for(j=115;j>0;j--);
}
void shujuchuli()
{
digbuf[0]=second%10;
digbuf[1]=second/10;
}
void display()
{    uint t;
      for(t=0;t<2;t++)
{
      P2=~(0x01<<t);
      P0=DSY_DUAN[digbuf[t]];
      delayms(1);
      P0=0x00;
}
}
void Timer0() interrupt 1
{       TH0=(65536-50000);
      TL0=(65536-50000);
      cnt++;
      if(cnt==40)
         {
            cnt=0;
            second++;
            if(second==99)
{
            second=0;
}
}
}
void main()
{
   TMOD=0x01;
   TH0=(65536-50000);
   TL0=(65536-50000);
      EA=1;
      ET0=1;
      TR0=1;
      while(1)
{
         shujuchuli();
         display();
}
}

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