PubNub IOT House (Ethernet Shield)

arduino.ino

#include <PubNub.h>
#include <SPI.h>
#include <EthernetV2_0.h>
#include <string.h>
#include <Servo.h>

Servo frontDoor;
Servo garageDoor;

// Some Ethernet shields have a MAC address printed on a sticker on the shield;
// fill in that address here, or choose your own at random:
byte mac[] = {0x68, 0x5b, 0x35A, 0xCF, 0xA6, 0x4E};

int lightLeft =8;
int lightRight = 7;
int lightRoom = 6;
int lightGarage = 5;

int i;

EthernetClient *client;

#define W5200_CS  3
#define SDCARD_CS 4

char pubkey[] = "demo";
char subkey[] = "demo";
char channel[] = "iot_house";

void setup()
{

  pinMode(SDCARD_CS,OUTPUT);
  digitalWrite(SDCARD_CS,HIGH);//Deselect the SD card

    Serial.begin(9600);
    Serial.println("Serial set up");

    while (!Ethernet.begin(mac)) {
        Serial.println("Ethernet setup error");
                blink(1000, 999999);
        delay(1000);
    }
    Serial.println("Ethernet set up");

    PubNub.begin(pubkey, subkey);
    Serial.println("PubNub set up");

  frontDoor.attach(18);
  garageDoor.attach(19); 

  pinMode(lightLeft, OUTPUT);
  pinMode(lightRight, OUTPUT);
  pinMode(lightRoom, OUTPUT);
  pinMode(lightGarage, OUTPUT);

  blink(100, 999);
  reset();

  while(true) {

    open();
    delay(1000);
    close();
    delay(1000); 
  }

}

void flash(int ledPin)
{
    /* Flash LED three times. */
    for (int i = 0; i < 3; i++) {
        digitalWrite(ledPin, HIGH);
        delay(100);
        digitalWrite(ledPin, LOW);
        delay(100);
    }
}

void loop() {
 
  Ethernet.maintain();

  PubSubClient *client;

    Serial.println("waiting for a message (subscribe)");
    client = PubNub.subscribe(channel);

    if (!client) {
        Serial.println("subscription error");
        return;
    }

  String messages[10];

  boolean inside_command = false;
  int num_commands = 0;

  String message = "";
  char c;

  while (client->wait_for_data()) {

    c = client->read();

    if(inside_command && c != '"') {
      messages[num_commands] += c;
    }

    if(c == '"') {

      if(inside_command) {         

        num_commands = num_commands + 1;
        inside_command = false;

      } else {    
        inside_command = true;
      }

    }

    message += c;

  }
  client->stop();

  for (i = 0; i < num_commands; i++){

    int colonIndex = messages[i].indexOf(':');

    String subject = messages[i].substring(0, colonIndex);
    String valueString = messages[i].substring(colonIndex + 1, messages[i].length());
    boolean value = false;

    if(valueString == "1") {
      value = true;
    }

    if(subject == "door") {
      door(value);
    }

    if(subject == "garage") {
      garage(value);
    }

    if(subject == "lightLeft") {
      light(lightLeft, value);
    }

    if(subject == "lightRight") {
      light(lightRight, value);
    }

    if(subject == "lightRoom") {
      light(lightRoom, value);
    }

    if(subject == "lightGarage") {
      light(lightGarage, value);
    }

    if(subject == "blink") {
      blink(100, valueString.toInt());
    }

    if(subject == "pingpong") {
      pingpong(valueString.toInt());
    }

    Serial.println(subject);
    Serial.println(value);

  }

  Serial.print(message);

  Serial.println();

  delay(2000);

}

void light(int ledPin, boolean on) {

  Serial.println("led");

  if(on) {
    digitalWrite(ledPin, HIGH);
  } else {
    digitalWrite(ledPin, LOW);
  }

}

void garage(boolean open){

  Serial.println("garage");

  if(open) {
     garageDoor.write(30);
  } else {
     garageDoor.write(80);
  }

}

void door(boolean open){

  Serial.println("door");

  if(open) {
     frontDoor.write(80);
  } else {
     frontDoor.write(20);
  }

}

void reset() {
  garage(false);
  door(false);
  light(lightLeft, false);
  light(lightRight, false);
  light(lightRoom, false);
  light(lightGarage, false);
}

void on() {
  light(lightLeft, true);
  light(lightRight, true);
  light(lightRoom, true);
  light(lightGarage, true);
}

void off() {
  light(lightLeft, false);
  light(lightRight, false);
  light(lightRoom, false);
  light(lightGarage, false);
}

void blink(int delayn, int count) {

  for (int j=0; j <= count; j++){
    on();
    delay(delayn);
    off();
    delay(delayn);
  } 

}

void pingpong(int count) {

  for (int j=0; j <= count; j++){
    ping(100);
    pong(100);
  }

}

void demo() {

  blink(100, 5);

  delay(1000);

  open();
  delay(1000);
  close();
}

void open() {
  door(1);
  garage(1);
}

void close() {
  door(0);
  garage(0);
}

void ping(int delayn) {

  off();

  light(lightLeft, true);
  delay(delayn);

  light(lightRight, true);
  light(lightLeft, false);
  delay(delayn);

  light(lightRight, false);
  light(lightRoom, true);
  delay(delayn);

  light(lightRoom, false);
  light(lightGarage, true);
  delay(delayn);

  delay(delayn);

}

void pong(int delayn) {

  off();

  light(lightGarage, true);
  delay(delayn);

  light(lightGarage, false);
  light(lightRoom, true);
  delay(delayn);

  light(lightRoom, false);
  light(lightRight, true);
  delay(delayn);

  light(lightRight, false);
  light(lightLeft, true);
  delay(delayn);

  delay(delayn);

}

remote.html

<head>
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <link href='http://fonts.googleapis.com/css?family=Roboto:400,700,300' rel='stylesheet' type='text/css'>
  <link rel="stylesheet" href="//ajax.googleapis.com/ajax/libs/jquerymobile/1.4.3/jquery.mobile.min.css" />
  <script src="//ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
  <script src="//ajax.googleapis.com/ajax/libs/jquerymobile/1.4.3/jquery.mobile.min.js"></script>
  <script src="http://cdn.pubnub.com/pubnub.min.js"></script>
  <style type="text/css">
    * {
    font-family: 'Roboto', sans-serif !important;
    font-weight: 300;
    }
    .ui-header {
      background-color: #ce1126 !important;
      color: #fff !important;
      text-shadow: 0px 2px 1px #88000F !important;
      border-top: 1px solid #DB5362 !important;
      border-bottom: 1px solid #88000F !important;
    }
    a {
      color: #ce1126 !important;
      text-decoration: none;
    }
    .ui-bar-a {
      background-color: #f2f2f2 !important;
    }
    .ui-header h1.ui-title {
      font-weight: bold;
      margin: 0px !important;
      font-size: 24px;
    }
    h3.ui-bar {
      padding-top: 15px;
      padding-bottom: 15px;
    }
    .ui-block-b {
      text-align: right;
    }
    .ui-bar:first-of-type {
      margin-top: 0px;
    }
    .ui-body .ui-grid-a {
      border-bottom: 1px solid #efefef;
      padding-bottom: 10px;
      padding-top: 6px;
    }
    .ui-body .ui-grid-a:last-child {
      border-bottom: none;
    }
    legend {
      padding-top: 19px !important;
    }
    .ui-block-b {
      font-size: 0px;
    }
    .toggle .ui-block-b button:first-of-type {
      border-top-right-radius: 0px;
      border-bottom-right-radius: 0px;
      margin-right: 0px !important;
      border-right: 0px;
    }
    .toggle .ui-block-b button:last-of-type {
      border-top-left-radius: 0px;
      border-bottom-left-radius: 0px;
      margin-lefT: 0px !important;
    }
    .ui-grid-a>.ui-block-a {
      width: 25% !important;
    }
    .ui-grid-a>.ui-block-b {
      width: 75% !important;
    }
  </style>
</head>
<body>
  <div data-role="page">

    <div data-role="header">
      <h1>The PubNub IOT House</h1>
    </div>

    <div data-role="content">
      <h3 class="ui-bar ui-bar-a ui-corner-all">Lights</h3>
      <div class="ui-body ui-body-a ui-corner-all">
        <div class="ui-grid-a toggle" id="lightLeft">
          <legend class="ui-block-a">Left:</legend>
          <div class="ui-block-b">
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="1">On</button>
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="0">Off</button>
          </div>
        </div>
        <div class="ui-grid-a toggle" id="lightRight">
          <legend class="ui-block-a">Right:</legend>
          <div class="ui-block-b">
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="1">On</button>
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="0">Off</button>
          </div>
        </div>
        <div class="ui-grid-a toggle" id="lightRoom">
          <legend class="ui-block-a">Kitchen:</legend>
          <div class="ui-block-b">
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="1">On</button>
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="0">Off</button>
          </div>
        </div>
        <div class="ui-grid-a toggle" id="lightGarage">
          <legend class="ui-block-a">Garage:</legend>
          <div class="ui-block-b">
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="1">On</button>
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="0">Off</button>
          </div>
        </div>
      </div>
      <h3 class="ui-bar ui-bar-a ui-corner-all">Doors</h3>
      <div class="ui-body ui-body-a ui-corner-all">
        <div class="ui-grid-a toggle" id="door">
          <legend class="ui-block-a">Front:</legend>
          <div class="ui-block-b">
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="1">Open</button>
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="0">Close</button>
          </div>
        </div>
        <div class="ui-grid-a toggle" id="garage">
          <legend class="ui-block-a">Garage:</legend>
          <div class="ui-block-b">
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="1">Open</button>
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="0">Close</button>
          </div>
        </div>
      </div>
      <h3 class="ui-bar ui-bar-a ui-corner-all">Functions</h3>
      <div class="ui-body ui-body-a ui-corner-all">
        <div class="ui-grid-a" id="blink">
          <legend class="ui-block-a">Blink:</legend>
          <div class="ui-block-b">
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="5">Blink</button>
          </div>
        </div>
        <div class="ui-grid-a" id="demo">
          <legend class="ui-block-a">Demo:</legend>
          <div class="ui-block-b">
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="1">Demo</button>
          </div>
        </div>
        <div class="ui-grid-a toggle" id="async">
          <legend class="ui-block-a">Async:</legend>
          <div class="ui-block-b">
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="1">On</button>
            <button type="button" class="ui-shadow ui-btn ui-corner-all ui-btn-inline" value="0">Off</button>
          </div>
        </div>
      </div>
    </div>

    <div data-role="footer">
      <h4>Powered by <a href="http://pubnub.com">PubNub</a></h4>
    </div>

  </div>

  <script>
    $(function() {

      var channel = "iot_house";

      var pubnub = PUBNUB.init({
        publish_key: 'demo',
        subscribe_key: 'demo'
      });

      $('button').click(function(){

        var value = $(this).val();
        var module = $(this).parent().parent().attr('id');

        pubnub.publish({
          channel: channel,
          message: {
            name: module,
            value: value
          }
        });

      });

    });
  </script>
</body>