Leveraging Android for the Internet of Things with Eclipse M2M
Droidcon London 24-27th October 2013 Benjamin Cabé | Sierra Wireless
Who I am
• Benjamin Cabé • Open Source M2M
Evangelist at Sierra Wireless • Eclipse M2M WG chairperson
M2M?
M2M? IoT?
❝ Technology that supports wired or wireless communication between devices
Typical architecture Healthcare example
IOT
IOT
However… It’s not as easy as it looks
Network is unreliable
Network is unreliable
Objects need to be ID’d
Network is unreliable
Objects need to be ID’d
Embedded is complex
When all you want to do…
POST /turnOn
GET /temperature
Eclipse M2M building blocks
protocols
frameworks
tools
Eclipse M2M building blocks
Network is unreliable
MQTT
MQTT?
MQTT? M = Messaging
MQTT? M = Messaging
Publish/subscribe protocol
MQTT? M = Messaging
Publish/subscribe protocol
Lightweight (bandwidth, battery, …)
72.2
72.2
Show me the code! embedded device
Show me the code!
var mqtt = require('mqtt');var c = mqtt.createClient(1883, 'm2m.eclipse.org');
client.on('message’, cb);client.subscribe('/kettle232/switch');client.publish('/kettle232/temp’, '72.2');var cb = function(topic, message) {// turn the kettle on/off
}
Show me the code!
var mqtt = require('mqtt');var c = mqtt.createClient(1883, 'm2m.eclipse.org');
client.on('message’, cb);client.subscribe('/kettle232/switch');client.publish('/kettle232/temp’, '72.2');var cb = function(topic, message) {// turn the kettle on/off
}
Show me the code!
var mqtt = require('mqtt');var c = mqtt.createClient(1883, 'm2m.eclipse.org');
client.on('message’, cb);client.subscribe('/kettle232/switch');client.publish('/kettle232/temp’, '72.2');var cb = function(topic, message) {// turn the kettle on/off
}
Show me the code!
var mqtt = require('mqtt');var c = mqtt.createClient(1883, 'm2m.eclipse.org');
client.on('message’, cb);client.subscribe('/kettle232/switch');client.publish('/kettle232/temp’, '72.2');var cb = function(topic, message) {// turn the kettle on/off
}
Show me the code! Android device
Show me the code!
MqttClient c = new MqttClient ( "tcp://m2m.eclipse.org:1883", MqttClient.generateClientId() );
mqttClient.setCallback(…);mqttClient.connect();mqttClient.subscribe("/teapot24232/#");// the rest of your app
Show me the code!
MqttClient c = new MqttClient ( "tcp://m2m.eclipse.org:1883", MqttClient.generateClientId() );
mqttClient.setCallback(…);mqttClient.connect();mqttClient.subscribe("/teapot24232/#");// the rest of your app
Show me the code!
MqttClient c = new MqttClient ( "tcp://m2m.eclipse.org:1883", MqttClient.generateClientId() );
mqttClient.setCallback(…);mqttClient.connect();mqttClient.subscribe("/teapot24232/#");// the rest of your app
Show me the code!
MqttClient c = new MqttClient ( "tcp://m2m.eclipse.org:1883", MqttClient.generateClientId() );
mqttClient.setCallback(…);mqttClient.connect();mqttClient.subscribe("/teapot24232/#");// the rest of your app
Show me the code!
mqttClient.setCallback(new MqttCallback() {@Overridepublic void messageArrived(String topic, MqttMessage message) throws Exception { // process received message // e.g. display temperature value}// ...
});
Callback code:
Show me the code!
mqttClient.setCallback(new MqttCallback() {@Overridepublic void messageArrived(String topic, MqttMessage message) throws Exception { // process received message // e.g. display temperature value}// ...
});
Callback code:
Simple but not Stupid
• QoS – at most once, at least once, exactly once, …
• “Last will & Testament” – automatically publish a message when a client
goes offline
More about MQTT
http://mqtt.org http://eclipse.org/paho
Network is unreliable
Objects need to be ID’d
So… now my objects talk … to me?
NFC RFID
Bluetooth LE QR Code
How about AR*? * Augmented Reality
Demo! Connected greenhouse
Raspberry Pi + NodeJS MQTT client
Raspberry Pi + NodeJS MQTT client
MQTT broker m2m.eclipse.org
Raspberry Pi + NodeJS MQTT client
MQTT broker m2m.eclipse.org
Raspberry Pi + NodeJS MQTT client
MQTT broker m2m.eclipse.org
Raspberry Pi + NodeJS MQTT client
Nexus 10 + Java MQTT client +
metaio SDK
Network is unreliable
Objects need to be ID’d
Embedded is complex
Simplifying embedded for home automation
with .
http://www.deviantart.com/art/Android-Version-Cupcake-150995350
Eclipse Smart Home
• A flexible framework for smart home and ambient assisted living (AAL) solutions.
• Easy to extend (based on OSGi)
• Smooth Android integration
Ready to Play?
Data consolidation
Ready to Play?
Data consolidation
Alerting
Ready to Play?
Data consolidation
Alerting
User management
Ready to Play?
Data consolidation
Alerting
User management
etc.
Ready to Play?
Management dashboards
System diagnostics
(Big!) Data history
Register for a free trial!
http://airvantage.net
Get a greenhouse kit!
http://airvantage.github.io/devkit
http://m2m.eclipse.org
