main.c

Simple Timer/Counter application for cock fighting

       PORTA = PORTA | 0x0d; //enable the display of ones millisecond
       Short_delay();
       PORTB = 0;
       PORTA = PORTA & 0xff; //disable the display

       PORTB = mask (down_time[4]);
       PORTA = PORTA | 0x09; //enable the display of ones millisecond
       Short_delay();
       PORTB = 0;
       PORTA = PORTA & 0xff; //disable the display

       PORTB = mask (down_time[3]);
       PORTA = PORTA | 0x0e; //enable the display of ones millisecond
       Short_delay();
       PORTB = 0;
       PORTA = PORTA & 0xff; //disable the display

       PORTB = mask (down_time[2]);
       PORTA = PORTA | 0x0b; //enable the display of ones millisecond
       Short_delay();
       PORTB = 0;
       PORTA = PORTA & 0xff; //disable the display

       PORTB = mask(down_time[1]);
       PORTA = PORTA | 0x0c; //enable the display of ones millisecond
       Short_delay();
       PORTB = 0;
       PORTA = PORTA & 0xff; //disable the display

       if (down_time[0]== 0)Short_delay();
       else
          {
          PORTA = PORTA | 0x0a; //enable the display of ones millisecond
          Short_delay();
          PORTA = PORTA & 0xff; //disable the display
          }
       }


  void Delay_sec()
       {
       Delay_ms (350);
       }

  void load_default_values()
      {
      up_time [0] = 0;
      up_time [1] = 0;
      up_time [2] = 0;
      up_time [3] = 0;
      up_time [4] = 0;
      up_time [5] = 0;
      down_time[0] = 1;
      down_time[1] = 0;
      down_time[2] = 0;
      down_time[3] = 0;
      down_time[4] = 0;
      down_time[5] = 0;
      lapsed_count == 0;
      }

void alarm()
     {
     delay = 2000;
     do {
        if (!flag.f0)
           {
           offset_up_time2();
           }
        if (flag.f0)
           {
           offset_down_time2();
           }
        delay--;
        } while (delay > 0);
     PORTA.F3 = 0;
     }


  void oem_limit()
       {
       check_value = EEprom_Read(0x00);
       Delay_ms (50);
       if (check_value == 0)
          {
          do {
             PORTB = 0;
             PORTA = 0;
             } while(1);
          }
       else
           {
           check_value--;
           EEprom_Write (0x00,check_value);
           Delay_ms (50);
           }
       }

  void main ()
       {
       PORTA = 0;    // clear porta
       PORTB = 0;    // clear portb
       TRISA = 0x30; // PORTA <4:5> as inputs the rest as outputs
       TRISB = 0;    // make PORTB as outputs
       PORTA = 0x07; // initialize the multiplexer
       PORTB = 0;    // clear  portb
       OPTION_REG = 0x08; // used WDT for the prescale at 1:1
       INTCON.GIE = 1; // enable global interrupts
       load_default_values(); // intialize registers
       flag.f0 = 0; // set default mode as up counter
       flag.f1 = 0; // clear lapsed flag
       oem_limit(); // for safety purposes value must be set manually


       delay = 3;
       do {
          repitition = 250;
          do {
             PORTB = mask (11); //load millisecond value to PORTB
             PORTA = PORTA | 0x01; //enable the display of ones millisecond
             Short_delay();
             PORTB = 0;
             PORTA = PORTA & 0xff; //disable the display
             PORTB = mask (1); //load millisecond value to PORTB
             PORTA = PORTA | 0x05; //enable the display of ones millisecond
             Short_delay();
             PORTB = 0;
             PORTA = PORTA & 0xff; //disable the display
             repitition--;
             } while (repitition > 0);
          Delay_sec();
          delay--;
          } while (delay > 0); //repeat until  delay is zero

       while (1)
             {
             if (!flag.f0) offset_up_time();
             if (flag.f0) offset_down_time();

             if ((PORTA & 0x30) == 0x30)// change mode button has been triggered
                {
                if (!INTCON.T0IE) // if the timer is off
                   {
                   delay = 3;
                   if (!flag.f0)
                      {
                      flag.f0 = 1; //change mode as down counter
                      do {
                          repitition = 250;
                          do {
                             PORTB = mask (11); //load millisecond value to PORTB
                             PORTA = PORTA | 0x01; //enable the display of ones millisecond
                             Short_delay();
                             PORTB = 0;
                             PORTA = PORTA & 0xff; //disable the display
                             PORTB = mask (2); //load millisecond value to PORTB
                             PORTA = PORTA | 0x05; //enable the display of ones millisecond
                             Short_delay();
                             PORTB = 0;
                             PORTA = PORTA & 0xff; //disable the display
                             repitition--;
                             } while (repitition > 0);
                         Delay_sec();
                         delay--;
                         } while (delay > 0);
                         goto exit1
                      }
                   if (flag.f0)
                      {
                      flag.f0 = 0; //change mode as up counter
                      do {
                         repitition = 250;
                          do {
                             PORTB = mask (11); //load millisecond value to PORTB
                             PORTA = PORTA | 0x01; //enable the display of ones millisecond
                             Short_delay();
                             PORTB = 0;
                             PORTA = PORTA & 0xff; //disable the display
                             PORTB = mask (1); //load millisecond value to PORTB
                             PORTA = PORTA | 0x05; //enable the display of ones millisecond
                             Short_delay();
                             PORTB = 0;
                             PORTA = PORTA & 0xff; //disable the display
                             repitition--;
                             } while (repitition > 0);
                         Delay_sec();
                         delay--;
                         } while (delay > 0);
                      }
                   exit1: load_default_values();
                   flag.f2 = 1;//set reset flag
                   }
                }

//------------------------------------------------------------------------------

             if ((PORTA & 0x30)== 0x20) // stop/show button has been triggered
                {
                if (INTCON.T0IE)
                   {
                   INTCON.T0IE = 0;
                   flag.f1 = 0; // flag.f1 is used as the the lapsed flag
                   alarm();
                   goto exit2
                   }
                if (!INTCON.T0IE)
                   {
                   delay = 500;
                   do {
                      if (flag.f0) offset_up_time();
                      if (!flag.f0) offset_down_time();
                      delay--;
                      if ((PORTA & 0x20) == 0x20) delay = 500;
                      } while (delay >0);
                   }
                exit2: PORTA.F3 = 0;
                }

 //-----------------------------------------------------------------------------

             if ((PORTA & 0x30) == 0x10) // start button bas been triggered
                {
                if (!INTCON.T0IE && flag.f2 )
                   {
                   lapsed_count = 0;
                   INTCON.T0IE = 1;
                   TMR0 = 0;
                   flag.f1 = 0;
                   flag.f2 = 0;
                   }
                }

//------------------------------------------------------------------------------

             if (PORTB.F0) // reset button has been triggerred
                {
                if (!INTCON.T0IE)
                   {
                   load_default_values();
                   flag.f2 = 1;//set the reset flag
                   }
                }
//------------------------------------------------------------------------------

             if (flag.f1 && !INTCON.T0IE)// lapsed time indication
                {
                INTCON.T0IE = 0;
                flag.f1 = 0; // flag.f1 is used as the the lapsed flag
                alarm();
                PORTA.F3 = 0;
                }
//------------------------------------------------------------------------------
             }
       }