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標題: ds12887仿真顯示為什么不走求幫助 [打印本頁]

作者: 高占國 時間: 2021-3-9 13:49
標題: ds12887仿真顯示為什么不走求幫助
#include<reg51.h>
#define uchar unsigned char
#define uint unsigned int
sbit e=P2^0;
sbit rw=P2^1;
sbit rs=P2^2;
sbit sas=P2^6;
sbit srw=P3^6;
sbit scs=P2^7;
sbit sds=P3^7;
uchar fen,shi,miao;
void yanshi(uint x)
{
      uchar y,s;
      for(y=x;y>0;y--)
      for(s=110;s>0;s--);
}
void zhiling(uchar x)
{
      rs=0;
      rw=0;
      e=0;
      P1=x;
      yanshi(5);
      e=1;
      yanshi(5);
      e=0;
}
void shuju(uchar x)
{
      rs=1;
      rw=0;
      e=0;
      P1=x;
      yanshi(5);
      e=1;
      yanshi(5);
      e=0;
}
void chushi()
{
      zhiling(0x38);
      zhiling(0x0c);
      zhiling(0x06);
      zhiling(0x80);
      zhiling(0x01);
      zhiling(0x80+0x40+11);
      shuju(':');
      zhiling(0x80+0x40+8);
      shuju(':');

}
void msf(uchar x,y)
{
      uchar ge,shi;
      ge=x%10;
      shi=x/10;
      zhiling(0x80+0x40+y);
      shuju(0x30+shi);
      shuju(0x30+ge);
}
void xieshi(uchar x,y)//寫ds12887
{
      scs=0;
      srw=1;
      sds=1;
      sas=1;
      P0=x;
      sas=0;
      srw=0;
      P0=y;
      srw=1;
      sas=1;
      scs=1;

}
uchar dushi(uchar x)  //讀12887
{
      uchar y;
      scs=0;
      srw=1;
      sds=1;

      sas=1;
      P0=x;
      sas=0;
      sds=0;
      P0=0xff;
      y=P0;
      sds=1;
      sas=1;
      scs=1;
      return y;
}

void main()
{
      chushi();
      xieshi(0x0b,0x02);
      xieshi(0x0a,0x20);
      while(1)
      {
            miao=dushi(0);
            fen=dushi(2);
            shi=dushi(4);
            msf(miao,12);
            msf(fen,9);
            msf(shi,6);

      }
}

作者: 高占國 時間: 2021-3-9 13:53
小弟選謝謝了,

歡迎光臨 (http://www.raoushi.com/bbs/)