基于51单片机的计数器设计

              if(curcount>=15)
                {
                  curcount=15;
                }
                else
                  {
                    curcount++;
                  }
               P1=~curcount;
               while(P3_6==0);
            }
        }
      if(P3_7==0)
        {
          delay10ms();
          if(P3_7==0)
            {
              if(curcount<=0)
                {
                  curcount=0;
                }
                else
                  {
                    curcount--;
                  }
               P1=~curcount;
               while(P3_7==0);
            }
        }
    }
}

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本文关键字：单片机  计数器  51单片机，单片机-工控设备 - 51单片机