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标题: 如何确保不会出现抖动且按紧不会熄灭代码 [打印本页]

作者: バ幸福De右岸 时间: 2016-3-15 13:52
标题: 如何确保不会出现抖动且按紧不会熄灭代码
#include<reg52.h>
#define uint unsigned int
#define uchar unsigned char
uchar code du[] = {0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
uchar code we[] = {0xfe,0xfd,0xfb,0xf7,0xef,0xdf};
sbit dula = P2^6;
sbit wela = P2^7;
sbit coke = P2^3;
uchar shi,fen,miao,aa;
void display(uchar);
void delay(uint z)
{
      uint x;
      for(;z>0;z--)
            for(x=110;x>0;x--);
}

void mm(uchar a,k)
{
      wela=1;
      P0=we[a];
      wela=0;
      dula=1;
      P0=du[k];
      dula=0;
      delay(1);
      P0=0xff;
}
void main()
{

      uchar temp;
      uchar miao_ge,miao_shi,fen_ge,fen_shi;
      uchar shi_ge,shi_shi;
      aa=0;
      TMOD=0x01;
      TH0=(65536-50000)/256;
      TL0=(65536-50000)%256;
      EA=1;
      ET0=1;
      TR0=1;
      while(1)
      {
            miao_ge       =(miao%10);
            miao_shi=(miao/10);
            fen_ge=(fen%10);
            fen_shi=(fen/10);
            shi_ge=(shi%10);
            shi_shi=(shi/10);

            dula=1;
            wela=1;
      mm(5,miao_ge);
            mm(4,miao_shi);
            mm(3,fen_ge);
            mm(2,fen_shi);
            mm(1,shi_ge);
            mm(0,shi_shi);
            dula = 0;
            wela = 0;
            P0 = 0xff;

            if(aa<10)
            {
                     dula = 1;
                     P0 = 0x80;
                     dula = 0;
                     wela = 1;
                     P0 = 0x15;
                     wela = 0;
                     P0 = 0xff;
            }
      }
}

void timer0() interrupt 1
{
      TH0=(65536-50000)/256;
      TL0=(65536-50000)%256;
      aa++;
      if(aa==20)
      {
            aa=0;
            miao++;
            if(miao>59)
                     {
                              fen++;
                     miao=0;
                     }
            if(fen>59)
                     {
                              shi++;
                     fen=0;
                     }
            if(shi>23)
                     {
                     shi=0;
                     }
      }
      if(fen==0&&miao==0)
            {
                     coke=0;
            }
            else
            {
                     coke=1;
            }
}

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