/**
   ESP32 + DHT22 Example for Wokwi
   
   https://wokwi.com/arduino/projects/322410731508073042
*/
/* Fill-in information from Blynk Device Info here */
//#define BLYNK_TEMPLATE_ID "TMPL3v8MH4REN"
//#define BLYNK_TEMPLATE_NAME "AquaMaster"
//#define BLYNK_AUTH_TOKEN "9BFaOd87xrkN4tudGsISQaR_dg5e-MdI"

// #define BLYNK_TEMPLATE_ID "TMPL3wpuGOyyt"
// #define BLYNK_TEMPLATE_NAME "Quickstart Template"
// #define BLYNK_AUTH_TOKEN "DFONlrcJcTEhvNZ2NCgeLC0MUp4m4u4Z"


#define BLYNK_TEMPLATE_ID           "TMPL3wpuGOyyt"
#define BLYNK_TEMPLATE_NAME         "Quickstart Template"
#define BLYNK_AUTH_TOKEN            "szzD-DoQ1CS-R9GluslkZKvb_rjowwrT"

/* Comment this out to disable prints and save space */
#define BLYNK_PRINT Serial

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>


// Your WiFi credentials.
// Set password to "" for open networks.

// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";


BlynkTimer timer;

#include <Wire.h>               /*~ Librería I2C ~*/
#include <LiquidCrystal_I2C.h>  /*~ Librería LCD ~*/
LiquidCrystal_I2C lcd ( 0x27, 16, 2 );

int led2=4;
int led1=2;
#include "DHTesp.h"

const int DHT_PIN = 15;

DHTesp dhtSensor;

// This function is called every time the Virtual Pin 0 state changes
BLYNK_WRITE(V0)// button V0
{
  // Set incoming value from pin V0 to a variable
  int value = param.asInt();
  digitalWrite(led1,value);
  // Update state

}

// This function is called every time the device is connected to the Blynk.Cloud


// This function sends Arduino's uptime every second to Virtual Pin 2.
void myTimerEvent()
{
  // You can send any value at any time.
  // Please don't send more that 10 values per second.
  Blynk.virtualWrite(V2, millis() / 1000);// uptime value display V2
}

void setup() {

  lcd.init ( );
  lcd.setCursor ( 0, 0 );
  lcd.print ( "Irrigation System" );
  lcd.setCursor ( 0, 1 );
  lcd.print ( "   using IOT     " );
  delay ( 1000 );
  lcd.clear();
  Serial.begin(115200);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  Serial.begin(115200);
  pinMode(led1,OUTPUT);
  pinMode(led2,OUTPUT);// optional 
  Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass);
  // You can also specify server:
  //Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass, "blynk.cloud", 80);
  //Blynk.begin(BLYNK_AUTH_TOKEN, ssid, pass, IPAddress(192,168,1,100), 8080);

  // Setup a function to be called every second
  timer.setInterval(1000L, myTimerEvent);
}
void DHT_sensor()
{
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Serial.println("---");
  
  Blynk.virtualWrite(V1,String(data.humidity, 1));
  Blynk.virtualWrite(V3,String(data.temperature, 2));
  lcd.setCursor ( 0, 0 );
  lcd.print ( "Temp: " );
  lcd.print ( String(data.temperature, 2)+ "°C");
  lcd.setCursor ( 0, 1 );
  lcd.print ( "Humidity:" );
  lcd.print ( String(data.humidity, 1) + "%");
  
  delay(2000); // Wait for a new reading from the sensor (DHT22 has ~0.5Hz sample rate)
}
void loop() {
  Blynk.run();
  timer.run();
  DHT_sensor();
  
}