#include <LiquidCrystal_I2C.h>     // if you don´t have I2C version of the display, use LiquidCrystal.h library instead
LiquidCrystal_I2C lcd(0x27,16,2);  // set the LCD address to 0x27 for a 16 chars and 2 line display
#include "PK_UNO_PIN.h"
#include <EEPROM.h>


void timer_1_init( void )
{
  TIMSK1 |= (1 << TOIE1);           // enable overflow interrupt
  TCCR1B &= (0 << CS10);
  TCCR1B |= (1 << CS11) | (1 << CS12); // enable external clock source & rising edge
  TCNT1   = 0;                // clear the 16 bit register
}

volatile unsigned long T1_overflow;

ISR( TIMER1_OVF_vect ) {
  T1_overflow++;
}



void setup()
{
  lcd.init();                       // initialize the 16x2 lcd module
  lcd.backlight();                  // enable backlight for the LCD module
  PLC_SETUP();
  OUTPUT_CL();
  timer_1_init();
}

byte MODE=0;
byte OLD_MODE=0;
byte MAX_STEP=9;
byte STEP_NOW=2;
byte LECK[10];
byte MCHUL[10];


void loop()
{

 byte BTN_SET=FT0(X0); 
 byte BTN_UP=FT1(X1); 
 byte BTN_DOWN=FT2(X2);   

  if(MODE==1){

    if(MODE!=OLD_MODE){
      lcd.setCursor(2,0);
      lcd.print("OUTO (");
      lcd.print("1->");
      lcd.print(MAX_STEP);
      lcd.print(")");
      lcd.setCursor(0,1);
      lcd.print(STEP_NOW); 
      lcd.print(">>"); 
      lcd.print(MAX_STEP);
      lcd.setCursor(13,1);
      lcd.print("[1]");      
    }
   
   if(CK0==0){MODE=2;lcd.clear();}
 }
 else if(MODE==2){
  if(MODE!=OLD_MODE){
    lcd.setCursor(5,0);
    lcd.print("NORMAL");
    lcd.setCursor(3,1);
    lcd.print(BTN_SET);
  }
  if(CK0==0){MODE=1;lcd.clear();}
 }
 else if(MODE==3){

 }
 else if(MODE==4){

 }
 else{
  MODE=1;   
 }

}