#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 20, 4);

#define BUTTONS_PIN A3

#define CLKP A2
#define DT A1

int butdeger;


int counterBE = 0;
int currentStateCLK;
int lastStateCLK;
String currentDir = "";

void setup() {
  // put your setup code here, to run once:

pinMode (BUTTONS_PIN,   INPUT);

pinMode (CLKP,    INPUT);
pinMode (DT,      INPUT);

 lcd.init();
    lcd.clear();

    lcd.setCursor(0,0);
    lcd.print("VEGA");
    delay(800);

}

void loop() {
  // put your main code here, to run repeatedly:


currentStateCLK = digitalRead(CLKP);  // Read the current state of CLK
  if (currentStateCLK != lastStateCLK  && currentStateCLK == 1) 
  {
    if (digitalRead(DT) != currentStateCLK) 
    {
      counterBE --;
      currentDir = "CCW";
    } else 
    {
      counterBE ++;
      currentDir = "CW";
    }
    
    lcd.setCursor (0,2);
    lcd.print("   ");
    lcd.setCursor (0,2);
    lcd.print(currentDir);
    lcd.setCursor (4,2);
    lcd.print("   ");
    lcd.setCursor (4,2);
    lcd.print(counterBE);

  }

  lastStateCLK = currentStateCLK;


butdeger = analogRead(BUTTONS_PIN);
/*
if (butdeger == 0)
{
 
    lcd.setCursor(0,0);
    lcd.print("YESIL BUTONA BASILDI");

  
}
else if (butdeger != 0)
  {
    lcd.clear();
  }
*/

}