buzzer did not work?pls help

• • Reply

  13 years ago

  by gleens

  toh wei wei

  , Singapore

  Joined 13 years ago

  void alarm()
  {
   TR1=1; //turn on timer 1

   for (;;)
   {
    TH1 = 0xFC;
    TL1 = 0x45;

    while (TF1 == 0); //wait

    TF1 = 0;
    P14 = ~P14; //buzzer cont to play
    LED=1;   
    delay(30000);

    if (PB1==0 || PB2==0 || PB3==0 || PB4==0 )
    {
     break;
    }
   }
   buzzer=0;
  }     
  

  when i load this code to my hardware the buzzer did not work.did my code is correct?

  Report abuse