#ifndef __CC3200R1M1RGC__
// Do not include SPI for CC3200 LaunchPad
#include <SPI.h>
#endif
#include <WiFi.h>
#include <Wire.h>
#include <stdlib.h>

// ThingSpeak Settings
char thingSpeakAddress[] = "api.thingspeak.com";
String writeAPIKey = "O6**********M4";    //your Thing speak write API key
const int updateThingSpeakInterval = 16 * 1000;      // Time interval in milliseconds to update ThingSpeak (number of seconds * 1000 = interval)

//buffer for float to string
char buffer[25];


// your network name also called SSID
char ssid[] = "YOUR SSID";
// your network password
char password[] = "YOUR PASSWORD";

// initialize the library instance:
WiFiClient client;

unsigned long lastConnectionTime = 0;          // last time you connected to the server, in milliseconds
boolean lastConnected = false;                 // state of the connection last time through the main loop
const unsigned long postingInterval = 10*1000; 
int failedCounter = 0;


void setup() {
  Serial.begin(9600);
  Serial.print("Attempting to connect to Network named: ");
  Serial.println(ssid); 
  WiFi.begin(ssid, password);
  while ( WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(300);
  }


  Serial.println("\nYou're connected to the network");
  Serial.println("Waiting for an ip address");

  while (WiFi.localIP() == INADDR_NONE) {
    // print dots while we wait for an ip addresss
    Serial.print(".");
    delay(300);
  }

  Serial.println("\nIP Address obtained");
  //printWifiStatus();
}


void loop() {

  while (client.available()) {
    char c = client.read();
    Serial.print(c);
  }

  if (!client.connected() && lastConnected) {
    Serial.println();
    Serial.println("disconnecting.");
    client.stop();
  }
  
Serial.println("----------------------------------------------------------------------------------------------------------------------------------------------------");
    
    Serial.print("Level Sensor: "); 
    
    String sobjt = String(analogRead(6), DEC);
    
   Serial.print(sobjt); 
Serial.println("----------------------------------------------------------------------------------------------------------------------------------------------------");

    
  
    updateThingSpeak("field1=" + sobjt);
  
  lastConnected = client.connected();
}


void updateThingSpeak(String tsData)
{
  if (client.connect(thingSpeakAddress, 80))
  {         
    client.print("POST /update HTTP/1.1\n");
    client.print("Host: api.thingspeak.com\n");
    client.print("Connection: close\n");
    client.print("X-THINGSPEAKAPIKEY: "+writeAPIKey+"\n");
    client.print("Content-Type: application/x-www-form-urlencoded\n");
    client.print("Content-Length: ");
    client.print(tsData.length());
    Serial.println(">>TSDATALength=" + tsData.length());
    client.print("\n\n");

    client.print(tsData);
    Serial.println(">>TSDATA=" + tsData);

    lastConnectionTime = millis();

    if (client.connected())
    {
      Serial.println("Connecting to ThingSpeak...");
      Serial.println();

      failedCounter = 0;
    }
    else
    {
      failedCounter++;

      Serial.println("Connection to ThingSpeak failed ("+String(failedCounter, DEC)+")");   
      Serial.println();
    }

  }
  else
  {
    failedCounter++;

    Serial.println("Connection to ThingSpeak Failed ("+String(failedCounter, DEC)+")");   
    Serial.println();

    lastConnectionTime = millis(); 
  }
}


int getLength(int someValue) {
  int digits = 1;
  int dividend = someValue / 10;
  while (dividend > 0) {
    dividend = dividend / 10;
    digits++;
  }
  return digits;
}