#include <LiquidCrystal_I2C.h>
#include <Wire.h>
#include <TimeOut.h>


// Set the LCD address to 0x27 for a 16 chars and 2 line display
LiquidCrystal_I2C lcd(0x27, 16, 2);

//////////
//GATE///
/////////
//set pin d12 as the input pin
const int gateSensor = 12;

bool showed = false;

//buzzer pins
const int buzzer = 11;

//timeout
TimeOut timeout;

void function(){
    if(showed == true)
    {
      lcd.clear();
      lcd.backlight();
    }
    return;
  }



void setup() {
  //lcd.begin(16,2);
  lcd.init();
  lcd.backlight();
  lcd.clear();
  //lcd.print("hello, world!");

  //set the pin d12 as the inputPULLUP pin
  pinMode(gateSensor, INPUT_PULLUP);

  //control pins
  Serial.begin(9600);
  Serial.print("START");
}

void loop() {

  Serial.print(digitalRead(gateSensor));
  
  if(digitalRead(gateSensor) == LOW){
    if(showed == false){
      lcd.clear();
      lcd.print("Gate is CLOSE");
      showed = true;
      timeout.timeOut(3000, function);
    }
  }
  else{
    if(showed == true){
      lcd.clear();
      lcd.print("Gate is OPEN");
      showed = false;
      tone(11, 262, 2000); // Plays 262Hz tone for 0.250 seconds
    }
  }

  TimeOut::handler();
  
  delay(200);
}