// nano "thermo" project v1.2
// GyverOLED library used
// sensors: dht22
// display: ssd1306

#include <GyverOLED.h>
#include <DHT.h>
#include <DHT_U.h>

#define DHT_A_PIN 2    // Digital pin connected to the DHT sensor A
#define DHT_B_PIN 3    // Digital pin connected to the DHT sensor B

#define DHT_A_TYPE DHT22    // DHT 22 (AM2302)
#define DHT_B_TYPE DHT22    // DHT 22 (AM2302)

GyverOLED<SSD1306_128x64, OLED_NO_BUFFER> oled;
// GyverOLED oled(0x3C);

DHT_Unified dht_A(DHT_A_PIN, DHT_A_TYPE);
DHT_Unified dht_B(DHT_B_PIN, DHT_B_TYPE);

void setup() {
  oled.init();         // Initialize Display
  oled.clear();
  oled.setScale(1);
  oled.setCursorXY(16, 17);
  oled.print ("Lilyhammer Meteo");
  oled.setCursorXY(16, 25);
  oled.print ("by Andrey Sobina");
  oled.update();
  delay(2000);

  oled.clear();
  oled.setCursorXY(4, 9);
  oled.println ("Initializing sensors");
  oled.update();
  delay(1000);
  oled.roundRect(16, 25, 112, 41, OLED_STROKE);
  oled.update();
  delay(150);
  oled.rect(20, 28, 27, 38, OLED_FILL);
  oled.update();
  delay(150);
  oled.rect(29, 28, 36, 38, OLED_FILL);
  oled.update();
  delay(150);
  oled.rect(38, 28, 45, 38, OLED_FILL);
  oled.update();
  delay(150);
  oled.rect(47, 28, 54, 38, OLED_FILL);
  oled.update();
  delay(150);
  oled.rect(56, 28, 63, 38, OLED_FILL);
  oled.update();
  delay(150);
  oled.rect(65, 28, 72, 38, OLED_FILL);
  oled.update();
  delay(150);
  oled.rect(74, 28, 81, 38, OLED_FILL);
  oled.update();
  delay(150);
  oled.rect(83, 28, 90, 38, OLED_FILL);
  oled.update();
  delay(150);
  oled.rect(92, 28, 99, 38, OLED_FILL);
  oled.update();
  delay(150);
  oled.rect(101, 28, 108, 38, OLED_FILL);
  oled.update();
  delay(1000);
  oled.clear();

  dht_A.begin();       // Initialize Sensor A
  dht_B.begin();       // Initialize Sensor B

  Serial.begin(9600);  // Initialize device
  Serial.println(F("nano thermo project v1.2"));
  Serial.println(F("GyverOLED library used"));

  delay(2000);
  oled.clear();
}

void loop() {
  dht22();
}

void dht22() {
  oled.clear(70, 1, 128, 64);
  oled.home();

  // Get temperature event from sensor A and print its value
  sensors_event_t event;
  dht_A.temperature().getEvent(&event);
  if (isnan(event.temperature)) {
    oled.println("Sauna:");
    oled.println("Error reading temp");
  }
  else {
    oled.println("Sauna:");
    oled.print("Temperature: ");
    oled.println(event.temperature);
  }

  // Get humidity event from sensor A and print its value
  dht_A.humidity().getEvent(&event);
  if (isnan(event.relative_humidity)) {
    oled.print("Error reading humid");
    oled.println("");
  }
  else {
    oled.print("Humidity:    ");
    oled.println(event.relative_humidity);
    oled.println("");
  }
  
  // Get temperature event from sensor B and print its value
  dht_B.temperature().getEvent(&event);
  if (isnan(event.temperature)) {
    oled.println("Sauna:");
    oled.println("Error reading temp");
  }
  else {
    oled.println("Room:");
    oled.print("Temperature: ");
    oled.println(event.temperature);
  }
  
  // Get humidity event from sensor B and print its value
  dht_B.humidity().getEvent(&event);
  if (isnan(event.relative_humidity)) {
    oled.print("Error reading humid");
    oled.println("");
  }
  else {
    oled.print("Humidity:    ");
    oled.println(event.relative_humidity);
    oled.println("");
  }

  oled.update();
  delay(5000);
}