电子密码锁的设计 第4页
bit alarmflag;
bit exchangeflag;
unsigned int cc;
unsigned int dd;
bit okflag;
unsigned char oka;
unsigned char okb;
void main(void)
{
  unsigned char i,j;
  P2=dispcode[digitcount];
  TMOD=0x01;
  TH0=(65536-500)/256;
  TL0=(65536-500)%6;
  TR0=1;
  ET0=1;
  EA=1;
  while(1)
    {
      if(cmpflag==0)
        {
          if(P3_6==0)
{
              for(i=10;i>0;i--)
              for(j=248;j>0;j--);
              if(P3_6==0)
                {
                  if(hibitflag==0)
                    {
                      funcount++;
                      if(funcount==pslen+2)
                        {
                          funcount=0;
                          cmpflag=1;
                         }
                       P1=dispcode[funcount];
                    }
                    else
                      {
                         second3=0;
                      }
                  while(P3_6==0);
                }
            }
          if(P3_7==0)
            {
              for(i=10;i>0;i--)
              for(j=248;j>0;j--);
              if(P3_7==0)
                {
                  if(hibitflag==0)
                    {
                      digitcount++;                     
                      if(digitcount==10)
                        {
                          digitcount=0;
                        }
                      P2=dispcode[digitcount];
                      if(funcount==1)
                        {
                          pslen=digitcount;
                          templen=pslen;
                        }
                        else if(funcount>1)
                          {
                            psbuf[funcount-2]=digitcount;
                          }
                    }
                    else
                      {
                        second3=0;
                      }
                  while(P3_7==0);
                }
            }
        }
        else
          {
            cmpflag=0;
            for(i=0;i
              {
                if(ps[i]!=psbuf[i])
                  {
                    hibitflag=1; 
            www.751com.cn
                    cmpflag=0;
                    second3=0;
                    goto a;
                  }
              }
            cc=0;
            errorflag=0;
            rightflag=1;
            hibitflag=0;
a:          cmpflag=0;
          }
    }
}
void t0(void) interrupt 1 using 0
{
  TH0=(65536-500)/256;
  TL0=(65536-500)%6;
  if((errorflag==1) && (rightflag==0))
    {
      bb++;
      if(bb==800)
        {
          bb=0;
          alarmflag=~alarmflag;
        }
      if(alarmflag==1)
        {
          P0_0=~P0_0;

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