#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include "Adafruit_ADT7410.h"


#define SCREEN_WIDTH 128 // OLED display width, in pixels
#define SCREEN_HEIGHT 64 // OLED display height, in pixels

// Declaration for an SSD1306 display connected to I2C (SDA, SCL pins)
// The pins for I2C are defined by the Wire-library. 
// On an arduino UNO:       A4(SDA), A5(SCL)
// On an arduino MEGA 2560: 20(SDA), 21(SCL)
// On an arduino LEONARDO:   2(SDA),  3(SCL), ...
#define OLED_RESET     -1 // Reset pin # (or -1 if sharing Arduino reset pin)
#define SCREEN_ADDRESS 0x3C ///< See datasheet for Address; 0x3D for 128x64, 0x3C for 128x32

Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, OLED_RESET);


#define TEMP_ADDRESS 0x48

// Create the ADT7410 temperature sensor object
Adafruit_ADT7410 tempsensor = Adafruit_ADT7410();






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

 
  // SSD1306_SWITCHCAPVCC = generate display voltage from 3.3V internally
  if(!display.begin(SSD1306_SWITCHCAPVCC, SCREEN_ADDRESS)) {
    Serial.println(F("SSD1306 allocation failed"));
    for(;;); // Don't proceed, loop forever
  }

  // setup temp sensor
  if (!tempsensor.begin(TEMP_ADDRESS)) {
    Serial.println("Couldn't find ADT7410!");
    while (1);
  }
  

  Wire.begin();


  

  display.display();
  delay(2000); // Pause for 2 seconds

  // Clear the buffer
  display.clearDisplay();

  // Draw a single pixel in white
  display.println("FabAcademy 2021");

  // Show the display buffer on the screen. You MUST call display() after
  // drawing commands to make them visible on screen!
  display.display();
  delay(2000);


}

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

  if (tempsensor.readTempC() > 24.0) {
    
    Wire.beginTransmission(0x09);
    Wire.write(1);
    Wire.endTransmission();

  } else {

    Wire.beginTransmission(0x09);
    Wire.write(0);
    Wire.endTransmission();
    
  }

 
  
  
  display.clearDisplay();

  display.setTextSize(3);
  display.setTextColor(SSD1306_WHITE);
  display.setCursor(0,0);
  display.println("Temp:");
  display.print(tempsensor.readTempC());


  display.display(); // actually display all of the above

/*
  display.setTextSize(2);
  display.setTextColor(SSD1306_WHITE);
  display.println("");
  display.print("Temperature:");
  display.print(random(20, 40));
  display.println(" ºC");
  display.display(); // actually display all of the above
*/


  delay(2000);

}