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Kod: Markera allt

  /* Introduktion */
 
#define ON  1
#define OFF 0

#define femtio PORTA.0
#define sextio PORTA.1
#define frekvens femtio,sextio
#define Hcount100Hz 0b00100111;   // 0b0010011100010000=10000
#define Lcount100Hz 0b00010000;
#define Hcount120Hz 0b00100000; // 0b0010000010001101=8333
#define Lcount120Hz 0b10001101;

void main(void)
  {
  ANSEL = 0;               // Clear ANSEL file registry
  ANSEL.ANS2 = 1;            // Configure AN2 as analog I/O
  TRISA = 0b00000111;         // Configure AN0, AN1 and AN2 as inputs, the rest as outputs.
                           // Bit TRISA<3> is a read only input pin, for MCLR (active low) input.
  TRISB = 0x00;             // Configure I/O, all available PORTB pins as outputs
  TRISC = 0;                // Configure I/O, all available PORTC pins as outputs
 
  CCPR1H = 0;             // Clear both Timer 1 holding registers
  CCPR1L = 0;
  TMR1L = 0;               // Clear both Timer 1 holding registers
  TMR1H = 0;                   

  PIE1.CCP1IE = 1;          // Enable CCP1 interrupt flag
  PIR1.CCP1IF = 0;         // Clear CCP1 interrupt flag
  PIE2.OSFIE = 1;            // Enable oscillator interrupt flag
  OSCCON = 0b01100001;      // Configure internal oscillator (HFINTOSC) to 4 MHz and to start oscillating.
  T2CON =  0b00100001;      // Set TMR2 prescaler 4, postscaler 5
  ADCON0.ADFM = 0;         // (ADFM=0) ADC "delay" look at ADRESH 8 most significant bits  */
  CCP1CON=0b00001011;         // Configure CCP1CON to trigger a special event on TMR1=CCPR match
  while(true)
    {
    if (Port A.0) while (I1);
         /* Operation XOR */
    else      while (I2);
         /* Operation XOR */
       /* A/D conversion */
       /* Delay */

    } // while true (always)
  } // main