Main code 1.3

#include <FirebaseArduino.h>
#include <ESP8266WiFi.h>
#include <Wire.h>
#include <BH1750.h>
const char* ssid     = /*"chaiyawat6636"*/"My ASUS";
const char* password = /*"0878202424"*/"Jesus123";
#define FIREBASE_HOST  "espdemo-551fa.firebaseio.com"
#define FIREBASE_AUTH  "XWjA9bS3HxjNSBieqKWzAPXMEps2pDUR92dlqzwH"
//BH1750 lightMeter;

void setup()
{
  Initialization();
  wifiConfig();
  Firebase.begin(FIREBASE_HOST, FIREBASE_AUTH);
  Firebase.stream("/Lightstatus");
}


void loop()
{
  onOffLight(int pin);
  delay(1000);
}

void Initialization()
{
    Serial.begin(9600);
    pinMode(13, OUTPUT); // Initialize the I2C bus (BH1750 library doesn't do this automatically)
    Wire.begin(2,0); // On esp8266 you can select SCL and SDA pins using Wire.begin(D4, D3);
//    lightMeter.begin();
    Serial.println(F("Measure Light Test begin"));
}

void wifiConfig()
{
  int count = 0;
  Serial.println("Starting....");
  WiFi.begin(ssid, password);
  Serial.println("Connecting wifi..");
   while (WiFi.status() != WL_CONNECTED)
   {
      delay(250);
      Serial.print(".");
      count++;
      if(count == 30)
      {
        Serial.println("Wifi Connection Failed");
        exit;
      }
   }
   Serial.println("WiFi connected");
   Serial.println("IP address: ");
   Serial.println(WiFi.localIP());
  if(WiFi.status() == WL_CONNECTED)
  { Serial.println("Wifi Connection Success"); }
  else
  { Serial.println("Wifi Connection Failed"); exit; }
}

bool onOffLight(int pin)
{
  int light;
  Firebase.getInt("/Lightstatus",&light);
  if(light){ digitalWrite(pin,lightCommand); return true; }
  else{ Serial.print("onOffLight ERROR"); return false; }
}

void measureLight()
{
  float lux = lightMeter.readLightLevel();
  Firebase.setFloat("/Lux",lux);
  Serial.print("Light: ");
  Serial.print(lux);
  Serial.println(" lx");
  analogWrite(13,255);
  if(lux < 50)
  {
    Serial.println("too less light");
    analogWrite(13,255);
  }
  if(lux > 100)
  {
    Serial.println("too much light");
    analogWrite(13,0);
    analogWrite(13,255);
  }
//  float lux_ratio = (40.0-lux)/40.0;
//  if(lux_ratio < 0) lux_ratio = 0;
//  analogWrite(13,255*lux_ratio);
//  Serial.println(255*lux_ratio);
}