node_wifi.ino

#include <ESP8266WiFi.h>
#include <ESP8266HTTPClient.h>
#include <Servo.h>
#include <ArduinoJson.h>


Servo servox;
const char *ssid =  "hehehe";     // replace with your wifi ssid and wpa2 key
const char *pass =  "vayujkandoi";

WiFiClient client;
int sensor_pin = A0;
int output_value;
const int MotorInPin1 = D0;
const int MotorInPin2 = D1;

 
void setup() 
{
       Serial.begin(115200);
       delay(100);
       pinMode(sensor_pin, OUTPUT);
       pinMode(MotorInPin1, OUTPUT);
       pinMode(MotorInPin2, OUTPUT);
         
       Serial.println("Connecting to ");
       Serial.println(ssid); 
 
       WiFi.begin(ssid, pass); 
       while (WiFi.status() != WL_CONNECTED) 
          {
            delay(500);
            Serial.print(".");
          }
      Serial.println("");
      Serial.println("WiFi connected");
      servox.attach(2); //D4
      servox.write(0);
    //  2000);
 
}



void pump();

int  soilsensor();

void servomotor();

int cal(int *,int *);    

int weather_out(String *);

int request(String *,String *,String *);

void loop() 
{   
  int moisture = soilsensor();
  String url="http://devsoc-nikhiljainjain17.c9users.io/pump/controller";
  //String something = String(output_value);
  String value= "value=" + String(moisture);
  String func="post";
  int other_constraints = request(url,value,func);
  //delay(500);    //Send   

    
  
  //delay(500); 
  //Serial.println("Soil: ");
  Serial.println(value);
  
  int p=0;
 //int y=cal(p,12.60);//other_constraints);
  //count++;
  //if (count%15==0){
    Serial.println("Something happening here");
     p= soilsensor();
    //int y=cal(p,other_constraints);
//    if (p<50)
//     {
//      
//     }
  int y=0.4*p+other_constraints; 
    Serial.println("Y:");
    Serial.println(y);
     if (y<38){
          digitalWrite(MotorInPin1, HIGH);
          digitalWrite(MotorInPin2, LOW);
     }
     else {
          digitalWrite(MotorInPin1, LOW);
          digitalWrite(MotorInPin2, LOW);  
    }
  //}
    
 delay(5000);
 
  }
  


void pump()
{
  digitalWrite(MotorInPin1, HIGH);
  digitalWrite(MotorInPin2, LOW);
 // 90);
   
}

int  soilsensor()
{
   //Moisture Sensor
   output_value= analogRead(sensor_pin);

   //output_value = 
   //90);
   Serial.println("Inside soil");
   Serial.println(output_value);
   return map(output_value,550,0,0,100);  
}

void servomotor()
{
  servox.write(90);
  delay(1000);
  servox.write(0);
}

    

int weather_out(String weather)
{
  if(weather=="rainy")
    return 10;
    
  else if(weather=="cloudy")
    return 5;
    
  else if(weather=="haze")
    return 4;
    

  else if(weather=="cloudy")
    return 3;
    

 else  if(weather=="Sunny")
    return 2;
    
 else if(weather=="Too Sunny")
    return 1;
  //100);    
} 


int request(String url,String postData,String func)
{
    int temp1=0;
      
  HTTPClient http;  //Declare an object of class HTTPClient
    
    http.begin(url);  //Specify request destination
    http.addHeader("Host", "devsoc-nikhiljainjain17.c9users.io");
    http.addHeader("User-Agent","Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv","66.0) Gecko/20100101 Firefox/66.0");
    http.addHeader("Accept","text/html,application/xhtml+xml,application/xml;q=0.9,/;q=0.8");
    http.addHeader("Accept-Language","en-US,en;q=0.5");
    http.addHeader("Accept-Encoding","gzip, deflate, br");
    http.addHeader("DNT","1");
    http.addHeader("Connection","keep-alive");
    http.addHeader("Cookie","c9.live.user.click-through=ok");
    http.addHeader("Upgrade-Insecure-Requests","1");
    http.addHeader("Cache-Control","max-age=0");
   
    //String  postData = "status=Ok&station=9";

//    if(func=="post"){
//    http.addHeader("Content-Type", "application/x-www-form-urlencoded");   
//    int httpCode = http.POST(postData);                 
//    //Send the request
//    //http.addHeader("Content-Type", "text/plain");
//    if (httpCode > 0) { //Check the returning code
//     
//      String payload = http.getString();   //Get the request response payload
//    //  Serial.println(payload);                     //Print the response payload
// 
//    }
//    }

    if(func=="post"){
                  http.addHeader("Content-Type", "application/x-www-form-urlencoded");   
                  int httpCode = http.POST(postData); 
                                    
                  String payload = http.getString();   //Get the request response payload
                  Serial.println(payload); 
            
      if(httpCode == 200)
              {  
                  StaticJsonBuffer<300> jsonBuffer;
                  JsonObject&root = jsonBuffer.parseObject(payload);
            
                int  x2=root["data"]["observations"]["tempC"];
                int  x4=root["data"]["observations"]["humidity"];
                String weather=root["data"]["observations"]["weather"];
            
                int x3=weather_out(weather);
            
                if (weather == "rainy" || (weather == "sunny" && x2 > 25))
                {
                    servox.write(90);
                  }else{
                     servox.write(0);
                    }
                
                //.as<char*>();  
               
                // Decode JSON/Extract values
                Serial.println(F("Response:"));
                Serial.println(x2);
                Serial.println("other contrainsts value ");
                Serial.println(0.3*x2+0.1*x3+0.1*x4);
               // http.end();
                return 0.3*x2+0.2*x3+0.1*x4;
                
       
  }
//  else
//  {
//    Serial.println("Error in response");
//  }
 
            
      }
    
    http.end();   //Close connection

    //return temp1;
  
  }

 



  
  //TODO : CALL Pump,Soil sensor