//------------------------------------------------------------------------------
//
// Projekt:             Meine Projektname
//
// Dateiame:            main.c
// Version:             Versionsnummer
// Beschreibung:        Meine Projektbeschreibung
//
// Autor:               Mein Name
//
// Erstellt:            Erstelldatum der Datei
// Geändert:            Änderungsdatum der Datei
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
// Header files
//------------------------------------------------------------------------------

#include <p18f4550.h>
#include "LCD.h"
#include "stdio.h"

extern void _startup (void);            // See c018i.c in your C18 compiler dir
#pragma code _RESET_INTERRUPT_VECTOR = 0x000800
void _reset (void)
{
    _asm goto _startup _endasm
}
#pragma code

/*#pragma code _HIGH_INTERRUPT_VECTOR = 0x000808
void _high_ISR (void)
{
    ;
}

#pragma code _LOW_INTERRUPT_VECTOR = 0x000818
void _low_ISR (void)
{
    ;
}
*/

//------------------------------------------------------------------------------
//  Variable Declarations
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
//  Constants Declarations
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
// I/O Port Definitions
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
// Support Function Prototypes
//------------------------------------------------------------------------------

//------------------------------------------------------------------------------
// MAIN FUNCTION
//------------------------------------------------------------------------------

void main(void)
{
  unsigned int ms;
  unsigned int h;
  unsigned int m;
  unsigned int s;
  char buffer[32];

  h = 0;
  m = 0;

  // Initialisierung
  ADCON1 = 0x0F;
  TRISB = 0x00;
  PORTB = 0x00;

  T0CON = 0b10000100;
  TMR0H = 0xFE;
  TMR0L = 0x89;

  ms = 0;

  OpenXLCD();
  putrsXLCD("...");

  while(1)
  {
    if(INTCONbits.TMR0IF)
    {
      ms++;
      INTCONbits.TMR0IF = 0;
      TMR0H = 0xFE;
      TMR0L = 0x89;

      if(ms % 50 == 0)
      {
        if(ms / 1000 % 3600 % 60 == 60)
        {
          m++;
          ms = 0;
          if(m == 60)
          {
            h++;
            m = 0;
          }
        }
        sprintf(buffer, "%02d:%02d:%02d.%d", h, m, ms / 1000 % 3600 % 60,ms % 1000 % 3600 % 60);
        WriteCmdXLCD(DISPLAY_CLEAR);
        putsXLCD(buffer);
      }
    }
  }
}