//*******************************************************************
/*
 * Filename    : Temperature Humidity and Light Meter
 * Description : LCD displays the value of temperature, humidity, and light level.
 * Author      : josepepe
 */

#include <Wire.h>
#include <stdlib.h>
#include "DHTesp.h"
#include <LiquidCrystal_I2C.h>

// Definiciones de pines
#define DHTPIN 15      // Pin donde se conecta el DHT22
#define LDRPIN A0      // Pin analógico donde se conecta el fotorresistor (LDR)

DHTesp dht;           // Crear objeto para manejar el DHT22
LiquidCrystal_I2C LCD = LiquidCrystal_I2C(0x27, 16, 2);
// I2C_LCD12864 lcd(&Wire); // Crear LCD128*64 I2C, SDA -> 21, SCL -> 22

char buff[20];
const char* glyphs = "\xa1\xa5\xdb";
float temperature;
float humidity;

///////////////////////////////////////////////////////////////////////
void setup() {
  Serial.begin(115200);
  Wire.begin();

  LCD.init();
  LCD.backlight();
  LCD.setCursor(0, 0);

  dht.setup(DHTPIN, DHTesp::DHT22);  // Inicializar DHT22 en el pin DHTPIN
}

///////////////////////////////////////////////////////////////////////
void loop() {
  static int8_t counter = 0;

  // Leer temperatura y humedad del DHT22
  TempAndHumidity data = dht.getTempAndHumidity();
  // Serial.println(data.temperature);
  // Serial.println(data.humidity);

  // LCD.clear();
  LCD.setCursor(0, 0);
  LCD.print("Temp: ");
  LCD.setCursor(6, 0);
  dtostrf(data.temperature, 5, 2, buff);
  LCD.print(buff);
  // LCD.print(data.temperature);
  // LCD.setCursor(11, 0);
  // LCD.print("\xb0");
  // LCD.print(chr(176));
  // LCD.print('{t} \xb0');
  LCD.setCursor(12, 0);
  // LCD.print("°C");
  LCD.print("C");

  LCD.setCursor(15, 0);
  LCD.print(glyphs[counter++]);
  if (counter == strlen(glyphs)) {
    counter = 0;
  }

  LCD.setCursor(0, 1);
  LCD.print("Humd: ");
  if (data.humidity == 100.0)
    LCD.setCursor(5, 1);
  else
    LCD.setCursor(6, 1);
  dtostrf(data.humidity, 5, 2, buff);
  // LCD.print(data.humidity);
  LCD.print(buff);
  LCD.setCursor(12, 1);
  LCD.print("%");

  delay(1000);  // Esperar 2 segundos antes de la siguiente lectura
}
//*******************************************************************