电子密码锁设计资料

                    break;
                  case 0x07:
                    key=12;
                    break;
                }
              temp=P3;
              P1_1=~P1_1;
              if((key>=0) && (key<10))
                {
                  if(keycount<6)
                    {
                      getps[keycount]=key;
                      dispbuf[keycount+2]=19;
                    }
                  keycount++;
                  if(keycount==6)
                    {
                      keycount=6;
                    }
                    else if(keycount>6)
                      {
                        keycount=6;
                        keyoverflag=1;//key overflow                       
                      }
                }
                else if(key==12)//delete key
                  {
                    if(keycount>0)
                      {
                        keycount--;
                        getps[keycount]=0;
                        dispbuf[keycount+2]=16;
                      }
                      else
                        {
                          keyoverflag=1;
                        }
                  }
                  else if(key==15)//enter key
                    {
                      if(keycount!=pslen)
                        {
                          errorflag=1;
                          rightflag=0;
                          second3=0;
                        }
                        else
                          {
                            for(i=0;i
                              {
                                if(getps[i]!=ps[i])
                                  {
                                    i=keycount;
                                    errorflag=1;
                                    rightflag=0;

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