MCE_Lester_2

#define BUTTON_1_2_PRESSED 0
#define BUTTON_1_PRESSED 4
#define BUTTON_2_PRESSED 8

#define LED_1  LATA.F0
#define LED_2  LATA.F1

#define EVERLOOP while (1)

#define FALSE 0
#define TRUE 1

#define STATE_LOW 0
#define STATE_HIGH 1

unsigned int _FreqLed1;
unsigned int _FreqLed2;

unsigned int _DelayLed1;
unsigned int _DelayLed2;

unsigned int _DurationLed1;
unsigned int _DurationLed2;

unsigned int _ButtonPressed1;
unsigned int _ButtonPressed2;

void initMCU() {
  ANCON0 = ANCON1 = 0;

  TRISA = 0;

  TRISD = 12;

  LATA = LATD = 0;

  PORTA = PORTD = 0;

  _FreqLed1 = 1;
  _FreqLed2 = 1;

  _DurationLed1 = 2000;
  _DurationLed2 = 2000;

  _DelayLed1 = _DurationLed1;
  _DelayLed2 = _DurationLed2;
}

void main() {
  initMCU();

  EVERLOOP {
    delay_ms(1);

    if (_FreqLed1 != 0) {
      _DelayLed1--;

      if (_DelayLed1 == 0) {
        LED_1 = ~LED_1;

        _DelayLed1 = _DurationLed1;
      }
    }

    if (_FreqLed2 != 0) {
      _DelayLed2--;

      if (_DelayLed2 == 0) {
        LED_2 = ~LED_2;

        _DelayLed2 = _DurationLed2;
      }
    }

    switch (PORTD) {
      case BUTTON_1_PRESSED:
        if (_ButtonPressed1 == FALSE) {
          _ButtonPressed1 = TRUE;

          LED_1 = ~LED_1;

          if (_FreqLed1 == 5) {
            _FreqLed1 = 0;
          } else {
            _FreqLed1++;
          }

          switch (_FreqLed1) {
            case 0:
              LED_1 = STATE_LOW;

              _DurationLed1 = 0;
              break;

            case 1:
              _DurationLed1 = 2000;
              break;

            case 2:
              _DurationLed1 = 1500;
              break;

            case 3:
              _DurationLed1 = 1000;
              break;

            case 4:
              _DurationLed1 = 750;
              break;

            case 5:
              _DurationLed1 = 500;
              break;
          }

          _DelayLed1 = _DurationLed1;
        }
        break;

      case BUTTON_2_PRESSED:
        if (_ButtonPressed2 == FALSE) {
          _ButtonPressed2 = TRUE;

          LED_2 = ~LED_2;

          if (_FreqLed2 == 5) {
            _FreqLed2 = 0;
          } else {
            _FreqLed2++;
          }

          switch (_FreqLed2) {
            case 0:
              LED_2 = STATE_LOW;

              _DurationLed2 = 0;
              break;

            case 1:
              _DurationLed2 = 2000;
              break;

            case 2:
              _DurationLed2 = 1500;
              break;

            case 3:
              _DurationLed2 = 1000;
              break;

            case 4:
              _DurationLed2 = 750;
              break;

            case 5:
              _DurationLed2 = 500;
              break;
          }

          _DelayLed2 = _DurationLed2;
        }
        break;

      case 12:
        _ButtonPressed1 = FALSE;
        _ButtonPressed2 = FALSE;
        break;

      default:
        break;
    }
  }
}