tentacle-yun-rfid-payload.ino

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

#include "tentacle-build.h"
#include <SoftwareSerial.h>

#define server "tentacle.octoblu.com"

#define port 80

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

YunClient conn;

TentacleArduino tentacle;
Pseudopod pseudopod(conn, conn, tentacle);

SoftwareSerial rfid_reader(10, 11); // RX, TX
int count = 0;


void setup() {
  rfid_reader.begin(9600); // Initialise Serial Communication with the RFID reader
  Serial.begin(9600);
  Serial.println(F("The Day of the Tentacle has begun!"));
  Bridge.begin();
  connectToServer();
}

void loop() {
  if (!conn.connected()) {
    conn.stop();
    connectToServer();
  }

  readData();

  if (pseudopod.shouldBroadcastPins() ) {
    delay(pseudopod.getBroadcastInterval());
    Serial.println(F("Sending pins"));
    pseudopod.sendConfiguredPins();
  }

  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
    {
      char input = rfid_reader.read(); // Read 1 Byte of data and store it in a character variable
      Serial.print(input); // Print the Byte
      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
    }
    // Print Tag Length
    Serial.println();
    Serial.print("Tag Length : ");
    Serial.print(count);
    Serial.println(" Bytes");
    //post RFID data to server once it reads RFID tag
    postData();
  }

}

void readData() {

  while (conn.available()) {
    Serial.println(F("Received message"));
    Serial.flush();

    if (pseudopod.readMessage() == TentacleMessageTopic_action) {
      pseudopod.sendPins();
    }
  }

}

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

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

  size_t authSize = pseudopod.authenticate(uuid, token);
  Serial.print(authSize);
  Serial.println(F(" bytes written for authentication"));


}




unsigned long time = 0;
int val;
int val2;
String payload;
char serverurl[] = "meshblu.octoblu.com";

void postData()
{
  val = 10238;
  val2 = "110077E937B8";
  //using hardcoded values for time being
  payload = "{\"tsDiff\": " + val + ", \"rfidTag\": " + String(val2) + "}";
  
  //UUID you want to send this message to. * to broadcast to all listening
  String target = "*";

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

  unsigned long t1 = millis();

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

  String PostData3 = "{\"devices\": \"b04c9213-79db-44a4-a3bf-3838e9df3274\",  \"payload\": {\"pins\": [{ \"action\" : \"digitalRead\", \"number\": 10},  { \"action\" : \"digitalWrite\", \"number\": 13, \"value\": 1}] }, \"customData\" : \"You can put whatever you want here\"}";

  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);

  unsigned long t2 = millis();
  time = t2 - t1;
  Serial.print("Total time spend (we will send this to serverurl next time): ");
  Serial.println(time);

}