RFID Reader + Octoblu

rfid_reader_octoblu.ino

#include <Bridge.h>
#include <YunClient.h>
#include <SoftwareSerial.h>

//static const char uuid[]  = "ef462118-69f4-4ed9-ba12-20ce4f8ee8f9";
//static const char token[] = "6631d217cfc81157752dfc151820bb04debaab20";

static const char uuid[]  = "b04c9213-79db-44a4-a3bf-3838e9df3274";
static const char token[] = "4cc7e83ec5003e657e6234a5b1cb78ad5bb91035";

SoftwareSerial rfid_reader(10, 11); // RX, TX
int count = 0; // A variable to count the length of the Tag DATA
char input[11] = "";

#define mesh_server "meshblu.octoblu.com"
#define tentacle_server "tentacle.octoblu.com"
#define port 80

int send = 0;
YunClient conn;

int val;
String val2;
String payload;
char serverurl[] = "meshblu.octoblu.com";
long lastRequest = 0;
long now = 0;
String tag;

void setup() {
  rfid_reader.begin(9600);
  Serial.begin(9600);
  Bridge.begin();
  Serial.println("setup.");
  connectToMeshServer();
}

void loop() {
  connectToMeshServer();

  if (rfid_reader.available()) // Check if there is Incoming Data in the RFID Reader Serial Buffer.
  {
    count = 0; // Reset count to zero
    while (rfid_reader.available()) // Keep reading Byte by Byte from the Buffer till the RFID Reader Buffer is empty
    {
      input[count] = rfid_reader.read();
      Serial.print(input[count]); // Print the Byte
      Serial.print("\t");
      String tag(input);
      Serial.print(tag);
      Serial.print("\n");
      count++; // Increment the Byte count after every Byte Read
      delay(5); // A small delay - Removing this might make the Program run faster and not respond properly as data from the reader could be slow
      val2 = tag;
      send += 1;

    }
    // Print Tag Length
    Serial.println();

    Serial.print("Tag Length : ");
    Serial.print(count);
    val = count;
    Serial.println(" Bytes");

    postData();
    /*
    if (count == 57)
    {

      //disconnect from tentacle
      conn.stop();
      connectToMeshServer();
      
      postData();
      count = 0;
    }
    */
  }

  delay(3000);
}

void connectToMeshServer() {
  //Serial.println(F("Connecting to the server."));
  Serial.flush();

  while (!conn.connect(mesh_server, port)) {
    Serial.println(F("Can't connect to the server."));
    Serial.flush();
    conn.stop();
  }
}

void postData()
{
  //  val = 111;
  //  val2 = "hungama";
  now = millis();
  long tsDiff = 0;
  if (lastRequest > 0) {
    tsDiff = now - lastRequest;
  }
  Serial.println("now");
  Serial.println(now);
  //Serial.println("lastRequest");
  //Serial.println(lastRequest);
  //Serial.println("tsDiff");
  //Serial.println(tsDiff);
  payload = "{\"tsDiff\": " + String(tsDiff) + ", \"rfidTag\": " + "\"" + val2 + "\"" + "}";
  //UUID you want to send this message to. * to broadcast to all listening
  String target = "*";

  //*******************************************************

  // construct a HTTP PUT request
  String PostData = "{\"devices\": \"" + target + "\", \"payload\" : " + payload + "}";

  Serial.println(PostData);
  // if there's a successful connection:

  // send the HTTP PUT request:
  conn.println("POST /messages HTTP/1.1");
  conn.println("Host: meshblu.octoblu.com");
  // conn.print(server);
  conn.println("User-Agent: chrome");
  conn.print("skynet_auth_uuid: ");
  conn.println(uuid);
  conn.print("skynet_auth_token: ");
  conn.println(token);
  conn.println("Content-Type: application/json");
  conn.println("Connection: close");
  conn.print("Content-Length: ");
  conn.println(PostData.length());
  conn.println();
  conn.println(PostData);
  conn.println();

  // this is required delay, to allow server response
  delay(300);
  // disconnect from server
  // client.close();
  // add delay to prevent connect again too fast
  //delay(300);

  lastRequest = now;
}