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MVD - Android

Libraries

The MVD Android client uses the following libraries:

Requirements

To work with this application you need the Android Developer Tools installed. You can find them here. Scroll down to "Other Download Options" and select the SDK Tools for your system.

Note: You may need to perform other installation options to get the development tools setup properly on your computer

Note: You do not need to install the Android Studio Development environment unless you intend on altering the MVD Android component setup.

Getting the MVD to show up in ADB

Windows

  1. Copy the file "android_winusb.inf" in C:\PATH\TO\ANDRIOD\android-sdk\extras\google\usb_driver, overwriting the original one.
  2. Follow the instructions described here to install unsigned driver in Windows 8.
  3. Navigate to C:\PATH\TO\ANDRIOD\android-sdk\extras\google\usb_driver.
  4. Right-click on "android_winusb.inf" and click "Install".
  5. Copy the file "adb_usb.ini" into C:\PATH\TO\USER\.android, overwriting the original one as well.
  6. Launch cmd and navigate to C:\PATH\TO\ANDROID\android-sdk\platform-tools\ .
  7. Run adb devices

Linux

  1. Run ​echo 0x0a5c >> ~/.android/adb_usb.ini
  2. Run adb kill-server
  3. Run adb start-server
  4. Run adb devices

Mac

  1. Run ​echo 0x0a5c >> ~/.android/adb_usb.ini
  2. Run adb kill-server
  3. Run adb start-server
  4. Run adb devices

Installing

If you've only got one ADB device on your system:

adb -d install mvd-v.0.1.0.apk

If you've got more than one ADB device on your system:

adb -s MC000090 install mvd-v.0.1.0.apk

General description

The MVD can be described, in a simple way, as a network proxy. It can connect to multiple services and pass information between them. The following diagram simplifies the position of the MVD in the network.

(Arduino Bean) -- [MVD] -- (Cloud Service)

Services

The connection/s that goes through the MVD are controlled by a set of services, each with its own specific usecase.

The following cloud services are included:

| Service | MVD service name | Type | Description | |---|---|---|---|---| | Firebase | FirebaseService | Firebase | Firebase is an increasingly popular SaaS for building real-time applications on mobile and web platforms. Read more here | | HTTP | HttpService | HTTP | This service allows for simple connections to REST-like web API:s. There's an example Laravel implementation here | | MQTT | MqttService | MQTT | MQTT is a lightweight messaging protocol originally developed for use by remote sensors. It's most notable implementation to day is the Facebook messenger. Read more here | | Xively | XivelyService | MQTT | Xively is an Internet of Things Platform-as-a-Service (PaaS). Read more here | | Elis | ElisService | Websocket | This project focuses on exploring the potential of mobile services on mobile devices (e.g. smart phones and tablets) to promote energy efficiency in existing buildings. Read more here |

There is also a specific Bean service, used to connect to the Arduino compatible "Beans".

| Service | MVD service name | Type | Description | |---|---|---|---|---| | Bean | BeanService | Bluetooth | ... |

Note that from the perspective of the MVD the Bean service is no different from any other service, it acts in an identical way.

Configuring the MVD

To set the different configuration options for your MVD you would use the SET_CONFIGURATION action and pass in the values you wish to set.

adb shell am broadcast -a cc.arduino.mvd.helper.actions.SET_CONFIGURATION
<...configuration extras...>

Debugging

The MVD will also, if instructed, print debug messages to the logcat. Use the following commands to enable and disable debug messaging. To persist the debug setting pass the optional PERSIST extra.

Enable debugging

adb shell am broadcast -a cc.arduino.mvd.helper.actions.ENABLE_DEBUG
--ez cc.arduino.mvd.helper.extras.PERSIST true

Disable debugging

adb shell am broadcast -a cc.arduino.mvd.helper.actions.DISABLE_DEBUG
--ez cc.arduino.mvd.helper.extras.PERSIST true

Setting the MVD identifier

The identifier is used by services to distinguish this particular MVD from other MVD's. This should always be set.

adb shell am broadcast -a cc.arduino.mvd.helper.actions.SET_CONFIGURATION
--es cc.arduino.mvd.helper.extras.ID "mvd-team-1"

TODO: Add more config options?

Controlling the MVD

The Services are controlled using broadcast intents with a predefined set of extra values that you can pass to the broadcast.

Currently you can perform the following actions using broadcasts:

Starting and Stopping the MVD app

Start

adb shell am start -n cc.arduino.mvd/cc.arduino.mvd.MainActivity

Stop

adb shell am force-stop cc.arduino.mvd

Starting a service

Generally speaking a service is started with the START_SERVICE action. All services are started with as STICKY services.

adb shell am broadcast -a cc.arduino.mvd.services.actions.START_SERVICE 
--es cc.arduino.mvd.services.extras.NAME "<MVD Service name>"

Each service may require extra values, see each service description for details on starting that service.

Stopping a service

To stop a service you send the STOP_SERVICE action.

adb shell am broadcast -a cc.arduino.mvd.services.actions.STOP_SERVICE 
--es cc.arduino.mvd.services.extras.NAME "<MVD Service name>"

Sending values to services

Values can be passed through the MVD either in the UP direction or the DOWN direction. UP are connections towards a service while DOWN are from a service.

Each service will listen for both UP (someone else wrote to me) and DOWN (I wrote to someone else) broadcasts. Depending on the TARGET and SENDER values the Services will react either by:

  1. Ignoring the value when the service was not mentioned as either TARGET or SENDER.
  2. Assuming the role as the SENDER and not reacting to the broadcast, merely noticing that itself sent the broadcast.
  3. Assuming the role as the TARGET and reading the value and forwarding it to the service it is connected to (f.ex. MQTT, Xively, or Bean).

UP

[MVD] --UP--> (Service)

This command is for internal use only. It can also be used to debug connections - verifying that values are being sent to the target service from the MVD.

adb shell am broadcast -a cc.arduino.mvd.helper.actions.UP 
--es cc.arduino.mvd.helper.extras.TARGET "<MVD Service name>" 
--es cc.arduino.mvd.helper.extras.SENDER "<MVD Service name>" 
--es cc.arduino.mvd.helper.extras.CODE "<code>" 
--es cc.arduino.mvd.helper.extras.PIN "<pin>" 
--es cc.arduino.mvd.helper.extras.VALUE "<value>"

DOWN

[MVD] <--DOWN-- (Service)

This command is for internal use only. It can also be used to debug connections - verifying that the service is reacting properly to the sent broadcast.

adb shell am broadcast -a cc.arduino.mvd.helper.actions.DOWN 
--es cc.arduino.mvd.helper.extras.TARGET "<MVD Service name>" 
--es cc.arduino.mvd.helper.extras.SENDER "<MVD Service name>" 
--es cc.arduino.mvd.helper.extras.CODE "<code>" 
--es cc.arduino.mvd.helper.extras.PIN "<pin>" 
--es cc.arduino.mvd.helper.extras.VALUE "<value>"

Sensor Binding

The main use case for MVD is sensor binding from Bean to cloud services. These bindings are set up using broadcasts.

Creating a binding

To create a binding you would pass the bean mac address, the component code and the pin it is connected to. You also need to add a descriptive name to the binding.

db shell am broadcast -a cc.arduino.mvd.services.actions.CREATE_BINDING
--es cc.arduino.mvd.helper.extras.BINDING_NAME "<name for this binding>"
--es cc.arduino.mvd.services.extras.MAC "<Bean MAC>"
--es cc.arduino.mvd.services.extras.NAME "<MVD Service name>"
--es cc.arduino.mvd.helper.extras.CODE "<code>"
--es cc.arduino.mvd.helper.extras.PIN "<pin>"

List all bindings

adb shell am broadcast -a cc.arduino.mvd.services.actions.LIST_BINDINGS

Delete a binding

There are two ways to delete a binding, either by selecting the service to remove bindings for:

db shell am broadcast -a cc.arduino.mvd.services.actions.DELETE_BINDING
--es cc.arduino.mvd.services.extras.NAME "<MVD Service name>"

Or by declaring the combination of the mac, component code and pin number.

db shell am broadcast -a cc.arduino.mvd.services.actions.DELETE_BINDING
--es cc.arduino.mvd.services.extras.MAC "<Bean MAC>"
--es cc.arduino.mvd.helper.extras.CODE "<code>"
--es cc.arduino.mvd.helper.extras.PIN "<pin>"

Clear all bindings

adb shell am broadcast -a cc.arduino.mvd.services.actions.CLEAR_BINDINGS

Service Routing

Last tested: 2015-04-10

MVD is also built on the premise that services can be connected, when two services are connected all information from either of the two services are passed to the other.

Note: Because of the nature of HTTP it's impossible to route DOWNupdates from HttpService to other services. However, you can route other services updates to the HttpService.

Add Service Route

To create a service route use the ADD_ROUTE action and pass two service names using the NAMES extra.

adb shell am broadcast -a cc.arduino.mvd.services.actions.ADD_ROUTE
--esa cc.arduino.mvd.services.extras.NAMES "<MVD Service name1>, <MVD Service name2>"

List Service Routes

adb shell am broadcast -a cc.arduino.mvd.services.actions.LIST_ROUTES

Delete Service Route

To delete a service route use the DELETE_ROUTE action and pass two service names using the NAMES extra.

adb shell am broadcast -a cc.arduino.mvd.services.actions.DELETE_ROUTE
--esa cc.arduino.mvd.services.extras.NAMES "<MVD Service name1>, <MVD Service name2>"

Clear all Service Routes

adb shell am broadcast -a cc.arduino.mvd.services.actions.CLEAR_ROUTES

Service Broadcast Details

Each service may require special values when sending a broadcast, here you'll find all the details, including examples, for interacting with each of the services.

BeanService (Bluetooth LE)

Starting the service

Last tested: 2015-04-09

To start the service you would send a simple START_SERVICE broadcast. Because of limitations in the BT stack we cannot rely on standard GATT connection characteristics, instead we need to poll the connected Bean's at an interval - you should pass a DELAY extra when starting the service.

adb shell am broadcast -a cc.arduino.mvd.services.actions.START_SERVICE 
--es cc.arduino.mvd.services.extras.NAME "BeanService"
--ei cc.arduino.mvd.services.extras.DELAY 1000

Stopping the service

Last tested: 2015-04-09

adb shell am broadcast -a cc.arduino.mvd.services.actions.STOP_SERVICE
--ex cc.arduino.mvd.services.extras.NAME "BeanService"

Initiating an LE scan

Last tested: 2015-04-09

To start an LE scan issue you send SCAN broadcast and include the TIMEOUT which decided for how many milliseconds you want to perform the scan.

adb shell am broadcast -a cc.arduino.mvd.helper.actions.SCAN
--ei cc.arduino.mvd.services.extras.TIMEOUT 5000

The result will be posted to Logcat under tag "BeanService".

Adding a new Bean to the MVD

Last tested: 2015-04-09

To add a new Bean (Arduino) to the MVD library you would use the ADD_BEAN action, and pass the MAC as an extra. The Bean will now which services (Sensors and Actuators) it supports and the MVD will act accordingly.

Note: Before you can add any Bean you actually need to make a scan, otherwise the Bean service will not have any knowledge of the available Beans nearby.

adb shell am broadcast -a cc.arduino.mvd.services.actions.ADD_BEAN
--es cc.arduino.mvd.services.extras.MAC "D0:39:72:D3:4A:C6"

Removing a Bean from the MVD

To remove a Bean you use the REMOVE_BEAN action and pass the same MAC address.

adb shell am broadcast -a cc.arduino.mvd.services.actions.REMOVE_BEAN
--es cc.arduino.mvd.services.extras.MAC "D0:39:72:D3:4A:C6"

Sending a simple value (testing UP connection)

adb shell am broadcast -a cc.arduino.mvd.helper.actions.UP 
--es cc.arduino.mvd.helper.extras.TARGET "BeanService" 
--es cc.arduino.mvd.helper.extras.SENDER "mvd" 
--es cc.arduino.mvd.services.extras.MAC "00:11:22:AA:BB:CC"
--es cc.arduino.mvd.helper.extras.CODE "T" 
--es cc.arduino.mvd.helper.extras.PIN "2" 
--es cc.arduino.mvd.helper.extras.VALUE "audio.wav"

Note: We're telling the system that the SENDER is mvd this is just for debugging. Making sure that we're not using any of the other service names will create a clean, orphaned, call.

Sending a simple value (testing DOWN connection)

adb shell am broadcast -a cc.arduino.mvd.helper.actions.DOWN 
--es cc.arduino.mvd.helper.extras.TARGET "mvd" 
--es cc.arduino.mvd.helper.extras.SENDER "BeanService"
--es cc.arduino.mvd.services.extras.MAC "00:11:22:AA:BB:CC"
--es cc.arduino.mvd.helper.extras.CODE "L" 
--es cc.arduino.mvd.helper.extras.PIN "10" 
--es cc.arduino.mvd.helper.extras.VALUE "100"

Note: We're telling the system that the TARGET is mvd this is just for debugging. Making sure that we're not using any of the other service names will create a clean, orphaned, call.

Firebase

Starting the service

Last tested: 2015-04-09

To start the service you would send a simple START_SERVICE broadcast which includes a value META_URL pointing to the Firebase URL that is of interest. The participants can freely sign up for their own Firebase instances at https://www.firebase.com/.

adb shell am broadcast -a cc.arduino.mvd.services.actions.START_SERVICE 
--es cc.arduino.mvd.services.extras.NAME "FirebaseService" 
--es cc.arduino.mvd.services.extras.URL "https://mvdtest.firebaseio.com/"

Stopping the service

Last tested: 2015-04-09

Stopping the service is done through a simple STOP_SERVICE intent.

adb shell am broadcast -a cc.arduino.mvd.services.actions.STOP_SERVICE 
--es cc.arduino.mvd.services.extras.NAME "FirebaseService"

Sending a simple value (testing UP connection)

Last tested: 2015-04-09

MVD allows to send values to Firebase after the service is set up through broadcasts. This can be useful for debugging. The action is UP.

The intent requires 5 values to be set. The first is TARGET and it's the service that should handle the intent (FirebaseService in this case), the second is SENDER which can be any name (mvd will be good for debugging). The last three values are connected to the sensor/actuator that we're mocking: CODE, PIN, and VALUE.

adb shell am broadcast -a cc.arduino.mvd.helper.actions.UP 
--es cc.arduino.mvd.helper.extras.TARGET "FirebaseService" 
--es cc.arduino.mvd.helper.extras.SENDER "mvd" 
--es cc.arduino.mvd.helper.extras.CODE "L" 
--es cc.arduino.mvd.helper.extras.PIN "7" 
--es cc.arduino.mvd.helper.extras.VALUE "124"

Note: We're telling the system that the SENDER is mvd this is just for debugging. Making sure that we're not using any of the other service names will create a clean call.

Sending a simple value (testing DOWN connection)

Last tested: 2015-04-09

The intent requires 5 values to be set. The first is TARGET and it's the service that should handle the intent (mvd will be good for debugging ), the second is SENDER which should be the service where the value originated from (FirebaseService in this case). The last three values are connected to the sensor/actuator that we're mocking: CODE, PIN, and VALUE.

adb shell am broadcast -a cc.arduino.mvd.helper.actions.DOWN 
--es cc.arduino.mvd.helper.extras.TARGET "mvd" 
--es cc.arduino.mvd.helper.extras.SENDER "FirebaseService" 
--es cc.arduino.mvd.helper.extras.CODE "L" 
--es cc.arduino.mvd.helper.extras.PIN "7" 
--es cc.arduino.mvd.helper.extras.VALUE "124"

Note: We're telling the system that the TARGET is mvd this is just for debugging. Making sure that we're not using any of the other service names will create a clean call.

Connecting Firebase to Bean through MVD

TODO

HTTP

Starting the service

Last tested: 2015-04-08

To start the service you would send a simple START_SERVICE broadcast including the URL and DELAY extras. The DELAY defines the polling interval that the MVD will use for the lifetime of the service. Default delay is 5000 milliseconds.

There is an example implementation for a HTTP REST-like API at mvd-forge-demo.

In DOWN direction the HttpService will only react to registered bindings, service forwarding FROM the HttpService is currently not available.

Note: The service can be a bit sensitive to url formatting, make sure to specify the whole "http://.../", otherwise the MVD app may become unresponsive

adb shell am broadcast -a cc.arduino.mvd.services.actions.START_SERVICE 
--es cc.arduino.mvd.services.extras.NAME "HttpService" 
--es cc.arduino.mvd.services.extras.URL "http://188.226.207.177/"
--ei cc.arduino.mvd.services.extras.DELAY 2000

Stopping the service

Last tested: 2015-04-08

Stopping the service is done through a simple STOP_SERVICE intent.

adb shell am broadcast -a cc.arduino.mvd.services.actions.STOP_SERVICE
--es cc.arduino.mvd.services.extras.NAME "HttpService"

Sending a simple value (testing UP connection)

Last tested: 2015-04-08

adb shell am broadcast -a cc.arduino.mvd.helper.actions.UP 
--es cc.arduino.mvd.helper.extras.TARGET "HttpService" 
--es cc.arduino.mvd.helper.extras.SENDER "mvd"
--es cc.arduino.mvd.helper.extras.CODE "L"
--es cc.arduino.mvd.helper.extras.PIN "7"
--es cc.arduino.mvd.helper.extras.VALUE "124"

Sending a simple value (testing DOWN connection)

Last tested: 2015-04-08

adb shell am broadcast -a cc.arduino.mvd.helper.actions.DOWN 
--es cc.arduino.mvd.helper.extras.TARGET "mvd" 
--es cc.arduino.mvd.helper.extras.SENDER "MqttService"
--es cc.arduino.mvd.helper.extras.CODE "L"
--es cc.arduino.mvd.helper.extras.PIN "7"
--es cc.arduino.mvd.helper.extras.VALUE "124"

Connecting Http to Bean through MVD

TODO

MQTT

Starting the service

Last tested: 2015-04-08

To start the service you would send a simple START_SERVICE broadcast which includes a value URL pointing to the MQTT Broker address that is of interest. There is an open broker at iot.eclise.org, on port 1883, that is available for use.

adb shell am broadcast -a cc.arduino.mvd.services.actions.START_SERVICE 
--es cc.arduino.mvd.services.extras.NAME "MqttService" 
--es cc.arduino.mvd.services.extras.URL "iot.eclipse.org" 
--ei cc.arduino.mvd.services.extras.PORT 1883

Stopping the service

Last tested: 2015-04-08

Stopping the service is done through a simple STOP_SERVICE intent.

adb shell am broadcast -a cc.arduino.mvd.services.actions.STOP_SERVICE
--es cc.arduino.mvd.services.extras.NAME "MqttService"

Sending a simple value (testing UP connection)

Last tested: 2015-04-08

adb shell am broadcast -a cc.arduino.mvd.helper.actions.UP 
--es cc.arduino.mvd.helper.extras.TARGET "MqttService" 
--es cc.arduino.mvd.helper.extras.SENDER "mvd"
--es cc.arduino.mvd.helper.extras.CODE "L"
--es cc.arduino.mvd.helper.extras.PIN "7"
--es cc.arduino.mvd.helper.extras.VALUE "124"

Sending a simple value (testing DOWN connection)

Last tested: 2015-04-08

adb shell am broadcast -a cc.arduino.mvd.helper.actions.DOWN 
--es cc.arduino.mvd.helper.extras.TARGET "mvd" 
--es cc.arduino.mvd.helper.extras.SENDER "MqttService"
--es cc.arduino.mvd.helper.extras.CODE "L"
--es cc.arduino.mvd.helper.extras.PIN "7"
--es cc.arduino.mvd.helper.extras.VALUE "124"

Connecting MQTT to Bean through MVD

TODO

Xively

Starting the service

Last tested: 2015-04-08

To start the service you would send a simple START_SERVICE broadcast which includes a value API_KEY which is your Xively API Key (found on your product page) and the FEED_ID for your specific feed.

Only one Xively feed can be connected at a time to the MVD.

adb shell am broadcast -a cc.arduino.mvd.services.actions.START_SERVICE 
--es cc.arduino.mvd.services.extras.NAME "XivelyService" 
--es cc.arduino.mvd.services.extras.API_KEY "E90BxBbVsWxBZyiCepmoT65vswM1UDktpVpkoBBl3k2Vn8BY" 
--es cc.arduino.mvd.services.extras.FEED_ID "1822884493"

Stopping the service

Last tested: 2015-04-08

Stopping the service is done through a simple STOP_SERVICE intent.

adb shell am broadcast -a cc.arduino.mvd.services.actions.STOP_SERVICE
--es cc.arduino.mvd.services.extras.NAME "XivelyService"

Sending a simple value (testing UP connection)

Last tested: 2015-04-08

adb shell am broadcast -a cc.arduino.mvd.helper.actions.UP 
--es cc.arduino.mvd.helper.extras.TARGET "XivelyService" 
--es cc.arduino.mvd.helper.extras.SENDER "mvd"
--es cc.arduino.mvd.helper.extras.CODE "L"
--es cc.arduino.mvd.helper.extras.PIN "7"
--es cc.arduino.mvd.helper.extras.VALUE "124"

Sending a simple value (testing DOWN connection)

Last tested: 2015-04-08

The DOWN connection will send a value from the XivelyService to another service. If no valid TARGET service is given this will be an orphaned broadcast - no one will recieve the value.

adb shell am broadcast -a cc.arduino.mvd.helper.actions.DOWN
--es cc.arduino.mvd.helper.extras.TARGET "mvd"
--es cc.arduino.mvd.helper.extras.SENDER "XivelyService"
--es cc.arduino.mvd.helper.extras.CODE "T"
--es cc.arduino.mvd.helper.extras.PIN "12"
--es cc.arduino.mvd.helper.extras.VALUE "55"

Connecting Xively to Bean through MVD

TODO

Elis

Starting the service

Last tested: 2015-04-09

To start the service you would send a simple START_SERVICE broadcast which includes a value URL which is your Elis URL and the PORT. The URL should be formatted as ws://<hostname>. Default port is 11414.

adb shell am broadcast -a cc.arduino.mvd.services.actions.START_SERVICE 
--es cc.arduino.mvd.services.extras.NAME "ElisService" 
--es cc.arduino.mvd.services.extras.URL "ws://echo.websocket.org" 
--ei cc.arduino.mvd.services.extras.PORT 80

Stopping the service

Last tested: 2015-04-09

Stopping the service is done through a simple STOP_SERVICE intent.

adb shell am broadcast -a cc.arduino.mvd.services.actions.STOP_SERVICE
--es cc.arduino.mvd.services.extras.NAME "ElisService"

Sending a simple value (testing UP connection)

Last tested: 2015-04-09

adb shell am broadcast -a cc.arduino.mvd.helper.actions.UP 
--es cc.arduino.mvd.helper.extras.TARGET "ElisService" 
--es cc.arduino.mvd.helper.extras.SENDER "mvd"
--es cc.arduino.mvd.helper.extras.CODE "L"
--es cc.arduino.mvd.helper.extras.PIN "7"
--es cc.arduino.mvd.helper.extras.VALUE "124"

adb shell am broadcast -a cc.arduino.mvd.helper.actions.UP --es cc.arduino.mvd.helper.extras.TARGET "ElisService" --es cc.arduino.mvd.helper.extras.SENDER "mvd" --es cc.arduino.mvd.helper.extras.CODE "L" --es cc.arduino.mvd.helper.extras.PIN "7" --es cc.arduino.mvd.helper.extras.VALUE "124"

Sending a simple value (testing DOWN connection)

Last tested: 2015-04-08

The DOWN connection will send a value from the XivelyService to another service. If no valid TARGET service is given this will be an orphaned broadcast - no one will recieve the value.

adb shell am broadcast -a cc.arduino.mvd.helper.actions.DOWN
--es cc.arduino.mvd.helper.extras.TARGET "mvd"
--es cc.arduino.mvd.helper.extras.SENDER "XivelyService"
--es cc.arduino.mvd.helper.extras.CODE "T"
--es cc.arduino.mvd.helper.extras.PIN "12"
--es cc.arduino.mvd.helper.extras.VALUE "55"

Connecting Elis to Bean through MVD

TODO

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