#include "IO-reg.h"
#include "Vectors.h"
#include "intr6811.h"
#include "menu.h"
#include "LCD.h"
#include "X25128.h"
#include "ds1820.h"

char ms;
char secs;
char mins;
char hours;
char days;
char loggfrekvens[2];
char loggf_address[2];
char loggcount;
char temp[1];
char buttons;
char button_count;

void init_clock(void){
  int tmp;
  char nbr;
  TCTL1 &= ~0xC0;    //OM2 och OL2 ska vara noll
  TMSK1 |= 0x40;     //OC2 ska vara ett
  nbr = ds1820_nbr_of_thermos();
  tmp = 1 + (8 + 14 + 4*4) * nbr + 2 + 1;
  loggf_address[0] = tmp/256;
  loggf_address[1] = tmp%256;
  loggcount = 0;
  X25128_read_data(loggfrekvens, 2, loggf_address);
}

interrupt void OC2_interrupt(void){
  char i;
  char nbr;

  if(ms < 100 - 1){
    ms++;
    if(loggfrekvens[0] == 1)
      loggcount--;
  }
  else{
    ms = 0;
    menu_update();
    temp[0] = loggcount;
    X25128_read_data(loggfrekvens, 2, loggf_address);
    if(secs < 60 - 1){
      secs++;
      if(loggfrekvens[0] == 1)
        loggcount--;
      else if(loggfrekvens[0] == 2)
        loggcount--;
    }
    else{
      secs = 0;
      if(mins < 60 - 1){
        mins++;
        if(loggfrekvens[0] == 2)
          loggcount--;
        else if(loggfrekvens[0] == 3)
          loggcount--;
      }
      else{
        mins = 0;
        if(hours < 24 - 1){
          hours++;
          if(loggfrekvens[0] == 3)
            loggcount--;
          else if(loggfrekvens[0] == 4)
            loggcount--;
        }
        else{
          hours = 0;
          days++;
          if(loggfrekvens[0] == 4)
            loggcount--;
          else if(loggfrekvens[0] == 5)
            loggcount--;
        }
      }
    }
  }

  if(loggcount == 0){
    ds1820_logg_values();
    loggcount = loggfrekvens[1];
  }

  if(!(PORTE & 0x01)){
    if(!(buttons & 0x01)){
      menu_next_main_menu();
      buttons |= 0x01;
      button_count = 50;
    }
    button_count--;
    if(button_count == 0)
      buttons &= ~0x01;
  }
  else if(!(PORTE & 0x02)){
    if(!(buttons & 0x02)){
      menu_last_main_menu();
      buttons |= 0x02;
      button_count = 50;
    }
    button_count--;
    if(button_count == 0)
      buttons &= ~0x02;
  }
  else if(!(PORTE & 0x04)){
    if(!(buttons & 0x04)){
      menu_next_sub_menu();
      buttons |= 0x04;
      button_count = 50;
    }
    button_count--;
    if(button_count == 0)
      buttons &= ~0x04;
  }

  else if(!(PORTE & 0x08)){
    if(!(buttons & 0x08)){
      menu_last_sub_menu();
      buttons |= 0x08;
      button_count = 50;
    }
    button_count--;
    if(button_count == 0)
      buttons &= ~0x08;
  }

  else if(!(PORTE & 0x80)){
    i = menu_get_current_main_menu();
    if(i != 0xFF){
      if(!(buttons & 0x80)){
        X25128_delete_min_max_values(i);
        buttons |= 0x80;
        button_count = 100;
      }
      LCD_write_string(0x00, " ");
      LCD_write_string(0x0F, " ");
      LCD_write_string(0x40, " Raderar min/max");
      button_count--;
      if(button_count == 0){
        LCD_write_string(0x00, "  Raderar alla  ");
        LCD_write_string(0x40, " min/max-varden ");
        LCD_write_character(0x4A, 0xE1);            //ä
        buttons &= ~0x02;
        nbr = ds1820_nbr_of_thermos();
        for(i=0; i<nbr; i++){
          X25128_delete_min_max_values(i);
        }
        ds1820_read_all_temps();
        while(!(PORTE & 0x80));
      }
    }
  }
  else{
    buttons = 0x00;
  }
  TFLG1 |= 0x40;     //Kvittera avbrottet
  TOC2 += 15000;
}