/*librerie*/
#include "DHTesp.h"

#include <LiquidCrystal_I2C.h>

#include "pitches.h"

/*variabili e pin*/
const int DHT_PIN = 15;

#define SPEAKER_PIN 13

DHTesp dhtSensor;
LiquidCrystal_I2C lcd(0x27, 16, 2);
int contalatemperatura=0;
int contalumidit=0;
#define massimatemperatura 25
#define massimaumidità 60
/* creando questo carattere a 8 bit, gradi[8] (l'8 sarebbe i bit)*/
byte gradi[8] = {
  0b00110,
  0b01001,
  0b01001,
  0b00110,
  0b00000,
  0b00000,
  0b00000,
  0b00000
};

void setup() {
  lcd.begin(16, 2);
  lcd.init() ;
  lcd.backlight() ;
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  lcd.createChar(0, gradi); /*dicendo al programma del carattere speciale*/
  pinMode(SPEAKER_PIN, OUTPUT); //speaker
}

void loop() {
  int gradiarrivo;
  TempAndHumidity data = dhtSensor.getTempAndHumidity();
  /*Serial.println("Temp " +String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");*/
  delay(10);
  lcd.setCursor(0, 0);
  lcd.print(data.temperature);
  lcd.setCursor(5, 0);
  lcd.write(byte(0)); /*carattere speciale creato in precedenza*/
  lcd.print("C attuali");
  if (data.temperature<10) {
    lcd.setCursor(0, 1);
    lcd.print("evacuare!       ");
    tone(SPEAKER_PIN, NOTE_D5);
    delay(300);
    tone(SPEAKER_PIN, NOTE_C5);
    delay(300);
    noTone(SPEAKER_PIN);
    }
  else if (data.temperature<45) {
    lcd.setCursor(0, 1);
    lcd.print("tutto tranquillo");
  } 
  else {
    lcd.setCursor(0, 1);
    lcd.print("evacuare!       ");
    tone(SPEAKER_PIN, NOTE_D5);
    delay(300);
    tone(SPEAKER_PIN, NOTE_C5);
    delay(300);
    noTone(SPEAKER_PIN);
    }
}