Entwicklungsboard Easy PIC v7 (PIC18F45K22)

#include <p18f4550.h>

#include <portb.h>

#include <timers.h>

#include <delays.h>

/* low voltage programming off*/

#pragma config LVP = OFF

/* wathdog timer off*/

#pragma config WDT = OFF

/* portb komplett digital */

#pragma config PBADEN = OFF

#pragma config DEBUG = ON

void isr_high();

void isr_low();

#pragma code high_vector= 0x08

 void high_isr (void){

  _asm

    goto isr_high

  _endasm

}

#pragma code

#pragma code low_vector= 0x18

 void low_isr (void){

  _asm

    goto isr_low

  _endasm

}

#pragma code

#pragma interrupt isr_high  

void isr_high(){

  if(INTCONbits.INT0IF== 1){

    INTCONbits.INT0IF= 0;

    PORTD= 0x0F;

    Delay10KTCYx(255);

  }

}

#pragma interruptlow isr_low

void isr_low(){

  static unsigned char counter= 0;

  if(INTCONbits.TMR0IF== 1){

    INTCONbits.TMR0IF= 0;

    if(counter %2)

      PORTD= 0x30;

    else{

      PORTD= 0xC0;

      counter= 0;

    }

    counter++;

  }

}

void main(){

  static unsigned char counter= 0;

  TRISD= 0x00;

  TRISC= 0x00;

  TRISB= 0x01;  

  PORTD= 0x00;

  PORTC= 0x01;

  RCONbits.IPEN= 1; /*enable low interrupts generally*/

  INTCON2bits.TMR0IP= 0;  /*timer0 auf low int*/

   INTCONbits.PEIE = 1; // Enable Peripheral interrupt

  INTCONbits.GIEL = 1; // Enble Global interrupt low

  INTCONbits.GIEH = 1; // Enble Global interrupt high

  OpenTimer0(TIMER_INT_ON & T0_SOURCE_INT & T0_16BIT & T0_PS_1_128);

  OpenRB0INT(PORTB_CHANGE_INT_ON & FALLING_EDGE_INT &PORTB_PULLUPS_OFF);

  WriteTimer0(0);

  while(1){

    if(counter %2)

      PORTC= 0xF0;

    else{

      PORTC= 0x0F;

      counter= 0;

    }

    Delay10KTCYx(255);

    counter++;

  }

}