#include <SPI.h>
#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>

#define SCREEN_WIDTH 128
#define SCREEN_HEIGHT 64

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

int Sensor_1 = 19;
int value_Sensor_1 = 0;
int Led_Pin = 2;
bool irReceived = true; 

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

  display.begin(SSD1306_SWITCHCAPVCC, 0x3C);
  
  pinMode(Sensor_1, INPUT);
  pinMode(Led_Pin, OUTPUT);
  value_Sensor_1 = 0;

  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(0, 25); 
  display.println("Loading...");
  display.display();
  delay(2000);
}

void loop() 
{
  //-------------------------------IR Sensor 1------------------------------// 
  value_Sensor_1 = digitalRead(Sensor_1);
  Serial.print("Garage = ");
  Serial.println(value_Sensor_1);

  if (value_Sensor_1 == 0) 
  {  
    while(irReceived == true)
    {
      Serial.println("Full");
      digitalWrite(Led_Pin, HIGH);
      delay(500);
      irReceived = false; 
    }
  } 
  else
  {
    while(irReceived == false)
    {
      Serial.println("Empty");
      digitalWrite(Led_Pin, LOW);
      delay(500);
      irReceived = true; 
    }
  }


  //--------------------------------Display---------------------------------//
  display.clearDisplay();
  display.setTextSize(2);
  display.setTextColor(WHITE);
  display.setCursor(30, 0);
  display.print("Garage");

  display.setTextSize(1);
  display.setCursor(40, 50);
  display.print("Empty = ");
    if (value_Sensor_1 == 0)
  {
    display.print(value_Sensor_1);
  }
  else 
  {
    display.print(value_Sensor_1);
  }

  display.setCursor(43, 29);
  display.print("Full = ");
  if (value_Sensor_1 == 0)
  {
    value_Sensor_1++;
    display.print(value_Sensor_1);
  }
  else
  {
    value_Sensor_1--;
     display.print(value_Sensor_1);
  } 
  display.display();
}