#include <Wire.h>
#include <Adafruit_GFX.h>
#include <Adafruit_SSD1306.h>
#include "DHTesp.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)
Adafruit_SSD1306 display(SCREEN_WIDTH, SCREEN_HEIGHT, &Wire, -1);

#define intervallo 10000
unsigned int long tempo;
unsigned int long tempoUpdate;
const int DHT_PIN = D0;

DHTesp dhtSensor;
void setup() {
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);

  if (!display.begin(SSD1306_SWITCHCAPVCC, 0x3C)) { // Address 0x3D for 128x64
    Serial.println(F("SSD1306 allocation failed"));
    for (;;);
  }
  //delay(2000);
  display.clearDisplay();

  display.setTextSize(1);
  display.setTextColor(WHITE);
  display.setCursor(0, 10);
  // Display static text
  display.println("Hello, world!");
  display.display();
  delay(2000);
  display.clearDisplay();


}

void loop() {
  tempo = millis();
  if (tempo - tempoUpdate >= intervallo) {

    TempAndHumidity  data = dhtSensor.getTempAndHumidity();
    Serial.println("Temp: " + String(data.temperature, 2) + " C.");
    Serial.println("Humidity: " + String(data.humidity, 1) + "%");
    Serial.println("---");
    tempoUpdate = millis();
    display.clearDisplay();
    //display.display();
    display.setTextSize(1);
    display.setTextColor(WHITE);
    display.setCursor(0, 10);
    display.println("Temp: " + String(data.temperature, 2) + " C");
    // display.display();
    display.setCursor(0, 40);
    display.println("Humidity: " + String(data.humidity, 1) + "%");
    display.display();
  }

  

}