/* Hello Wokwi! */

#include <LiquidCrystal_I2C.h>

LiquidCrystal_I2C lcd(0x27, 16, 2);

//Encoder
const int encoder_sw = 2;
const int encoder_clk = 3;
const int encoder_dt = 4;

//Menü

int wert = 0;
bool state = LOW;

void setup() {
  
  Serial.begin(9600);

  pinMode(encoder_sw, INPUT_PULLUP);
  pinMode(encoder_clk, INPUT_PULLUP);
  pinMode(encoder_dt, INPUT_PULLUP);
  pinMode(LED_BUILTIN, OUTPUT);

  attachInterrupt(digitalPinToInterrupt(encoder_sw), encoder_push, FALLING);
  attachInterrupt(digitalPinToInterrupt(encoder_clk), encoder_turn, FALLING);

  lcd.init();
  lcd.backlight();

}

void loop() {
  Serial.println(wert);
  delay(100);

  if (state == HIGH) {
    digitalWrite(LED_BUILTIN, !digitalRead(LED_BUILTIN));
    state = LOW;
  }
}

void encoder_turn() {

  if (digitalRead(encoder_dt) == HIGH) {
    wert++;
  }

  else {
    wert--;
  }
  
}

void encoder_push() {
  state = HIGH;
  Serial.println("test");
}

void update_menu() {

}