IoT_Project

/////////////////////////////////
// Generated with a lot of love//
// with TUNIOT FOR ESP32     //
// Website: Easycoding.tn      //
/////////////////////////////////



#include <WiFi.h>

#include <ArduinoJson.h>

WiFiClient client;

String thingSpeakAddress= "YR5YX6E28NJA3EWO";
String tsfield1Name;
String request_string;
String apiKey="YR5YX6E28NJA3EWO";

String ThingSpeakGet(String IPcache, String monmessagecache,String field) {
DynamicJsonBuffer jsonBuffer(3000);
String line="";
String myurl = "/";
line="";
client.print(String("GET ") + myurl +monmessagecache + " HTTP/1.1\r\n" +
"Host: " + IPcache + "\r\n" +
 "Connection: close\r\n\r\n");
unsigned long timeout = millis();
while (client.available() == 0) {
if (millis() - timeout > 5000) {
client.stop();
return "Client Timeout!";
}
}
while(client.available()) {line += client.readStringUntil('\r');}
//////HERE PROCESSING THE REQUEST
 line = (line.substring((line.indexOf("{") - 1)));
JsonObject& JsonResultat = jsonBuffer.parseObject(line);
line = JsonResultat["feeds"][0]["field"+field].as<char*>();
return line;
}

int parsing_result (JsonObject& monparam){
if (!monparam.success())return 0;
else
return 1;
}

void setup()
{
Serial.begin(9600);

  WiFi.disconnect();
  delay(3000);
  Serial.println("============ Program Started ============");
  WiFi.begin("TP-Link_BBCC","402805477");
  while ((!(WiFi.status() == WL_CONNECTED))){
    delay(300);
    Serial.print("..");

  }
  Serial.println("You are successfully connected to TP_Link_BBCC");
  Serial.println("Your IP is");
  Serial.print((WiFi.localIP()));

}


void loop()
{

    if (client.connect("api.thingspeak.com",80)) {
      Serial.println("Sending data to Thingspeak.....");
      request_string = thingSpeakAddress;
      request_string += "&field1=";
      request_string += (random(1,100));
      request_string += "&field2=";
      request_string += random(0,100);
      client.print("POST /update HTTP/1.1\n");
      client.print("Host: api.thingspeak.com\n");
      client.print("Connection: close\n");
      client.print("X-THINGSPEAKAPIKEY: "+apiKey+"\n");
      client.print("Content-Type: application/x-www-form-urlencoded\n");
      client.print("Content-Length: ");
      client.print(request_string.length());
      client.print("\n\n");
      client.print(request_string);
      Serial.println("Recieving data from thingspeak.....");
      Serial.print("Temparature: ");
      Serial.println((ThingSpeakGet("api.thingspeak.com","channels/1598398/fields/1.json?api_key=0UFZICAXKLBEBQXH&results=1","1")));
      Serial.print("Humidity: ");
      Serial.println((ThingSpeakGet("api.thingspeak.com","channels/1598398/fields/2.json?api_key=0UFZICAXKLBEBQXH&results=1","2")));

    } else {
      Serial.println("Error occured while connecting to Thingspeak");

    }
    if (client.connect("api.thingspeak.com",80)) {
      Serial.println("Recieving data from thingspeak.....");
      Serial.print("Temparature: ");
      Serial.println((ThingSpeakGet("api.thingspeak.com","channels/1598398/fields/1.json?api_key=0UFZICAXKLBEBQXH&results=1","1")));

    } else {
      Serial.println("Error occured while connecting to Thingspeak");

    }
    if (client.connect("api.thingspeak.com",80)) {
      Serial.print("Humidity: ");
      Serial.println((ThingSpeakGet("api.thingspeak.com","channels/1598398/fields/2.json?api_key=0UFZICAXKLBEBQXH&results=1","2")));

    } else {
      Serial.println("Error occured while connecting to Thingspeak");

    }
    delay(15000);

}