Integration Guide

This document describes specific configuration required to integrate with the following IoT cloud platforms:

Amazon AWS IoT
IBM Watson IoT Platform
MathWorks ThingSpeak
Microsoft Azure IoT Hub
ThingsBoard Open-source IoT Platform
Adafruit IO
Orange Live Objects

Please refer to Connectors guide for a generic description if you need to integrate with another platform.

AWS IoT

Amazon Web Services (AWS) can be integrated via MQTT. All Nodes can share the same connection to the server.

First, follow the AWS IoT guidelines to configure your IoT device:

Create and activiate a Security Certificate. Make sure you download the certificate (xxx-certificate.pem.crt) as well as the private key (xxx-private.pem.key).
Create a policy and link it to the certificate. For example, to allow all actions you can set:
```
"Statement": [{
  "Action": "iot:*",
  "Resource": "*",
  "Effect": "Allow"
}]
```
Create a device and link it to the same certificate.

Then, open the lorawan-server web-administration and create an Backend Connector:

URI is the AWS Endpoint with the mqtts:// prefix
Publish Uplinks is a pattern for the publication topic, e.g. out/{devaddr}. Make sure you added devaddr to your Handler Fields.
Subscribe is a topic to be subscribed by the lorawan-server, e.g. in/#.
Received Topic is a template for parsing the topic of received messages, e.g. in/{devaddr}.

On the Authentication tab:

Client ID is the AWS Account Id
Auth shall be set to Username+Password
User Certificate is the xxx-certificate.pem.crt file you downloaded
Private Key is the xxx-private.pem.key file

Instead of creating a Security Certificate and then attaching it to the Thing you can alternatively create a Thing Security Certificate. In such case the Client ID shall be the Thing name.

IBM Watson IoT Platform

IBM Watson IoT Platform can be integrated via MQTT. The lorawan-server can act as a Gateway acting on behalf of multiple devices.

First, follow the IBM Bluemix documentation to configure the IoT Gateway:

Create a device type for your devices, e.g. "loramote"
Create a gateway type for the lorawan-server, e.g. "loraserver"
Create one gateway of the gateway type you just created using an arbitrary Device ID. After you click Add don't close the web-page displaying the auto-generated Authentication Token.
Do not create any devices; these will be created automatically once they send some data.

Then, open the lorawan-server web-administration and create an Backend Connector:

URI shall be mqtt://orgid.messaging.internetofthings.ibmcloud.com, where orgid is your Organization ID displayed on the web-page you didn't close.
Publish Uplinks is a pattern for the publication topic, e.g. iot-2/type/loramote/id/{deveui}/evt/status/fmt/json, where loramote is the device type you created.
Subscribe is a topic to be subscribed by the lorawan-server, e.g. iot-2/type/loramote/id/+/cmd/+/fmt/+.
Received Topic is a template for parsing the topic of received messages, e.g. iot-2/type/loramote/id/{deveui}/cmd/status/fmt/json.

On the Authentication tab:

Client ID shall be g:orgid:loraserver:test, where orgid is the Organization ID, loraserver is gateway type you created and test is the gateway Device ID.
Auth shall be set to Username+Password
Name shall always be use-token-auth
Password/Key is the gateway Authentication Token displayed on the page you didn't close.

MathWorks ThingSpeak

MathWorks ThingSpeak can be integrated via MQTT. It supports only publishing to channels using MQTT, subscriptions are not supported by ThingSpeak.

First, follow the ThingSpeak guidelines and create a New Channel:

Set a channel Name;
Define one or more Field labels;
Once you Save Channel, display the Write API Key.

Open the lorawan-server web-administration and create an Backend Connector:

URI shall be either mqtt://mqtt.thingspeak.com or mqtts://mqtt.thingspeak.com
Publish Uplinks shall be channels/<channelID>/publish/<apikey>, where
- <channelID> is the numeric Channel ID
- <apikey> is the Write API Key
Subscribe and Received Topic shall be left empty.

Then, create a new Handler:

Group shall correspond to a Group attribute of some Nodes.
Format shall be Web Form.
Parse Uplink shall include a data parsing function. See the Backends guide for more information, but make sure the values are named "field1", "field2" etc.
Connector shall link to the Backend Connector you just created.

For example, a Parse Uplink for the Semtech LoRaMote could be:

fun(Vars, <<LED, Press:16, Temp:16, AltBar:16, Batt, Lat:24, Lon:24, AltGps:16>>) ->
  #{field1 => LED, field2 => Press, field3 => Temp/100, field4 => AltBar, field5 => Batt}
end.

Microsoft Azure IoT Hub

Microsoft Azure IoT Hub can be integrated via MQTT. Azure uses per-device credentials so the Connector will create one connection for each Node (each with its own credentials).

First, follow the Azure IoT Hub guidelines to configure your IoT devices:

Create a new Device:
- Device ID shall be set to Device DevEUI or Node *DevAddr.
- Authentication Type shall be Symmetric Key.
- Auto Generate Keys shall be checked.
It is recommended to create also a Shared access policy, allowing Device connect.
Instead creating the access policy you may copy-paste the auto-generated device Primary key (encoded using Base64) to App Arguments in the Node config.

Then, open the lorawan-server web-administration and create an Backend Connector:

URI is the IoT Hub Hostname with the mqtts:// prefix
Publish Uplinks shall be devices/{devaddr}/messages/events/. The trailing slash is mandatory.
Subscribe shall be devices/{devaddr}/messages/devicebound/#.
Received Topic shall be the same as Subscribe.

On the Authentication tab:

Client ID is the {devaddr}
Auth shall be set to Shared Access Signature
When authenticating using a Shared access policy:
- Name is the Access policy name you created above
- Password/Key is the access policy Primary key (encoded using Base64)
When authenticating using the device key:
- Name shall be empty
- Password/Key shall be {appargs}. Make sure you added appargs to your Handler Fields.

ThingsBoard Open-source IoT Platform

The ThingsBoard can be integrated via MQTT. The platform uses per-device credentials so the Connector will create one connection for each Node.

First, follow the ThingsBoard documentation to configure your devices

Add new device:
- Name shall be set to Device DevEUI or Node *DevAddr.
When created, enter the Manage Credentials tab and copy-paste Access token to App Arguments in the Node config.

Then, open the lorawan-server web-administration and create an Backend Connector:

URI shall be mqtt://demo.thingsboard.io or URL of your local ThingsBoard.
Publish Uplinks shall be v1/devices/me/telemetry.
Publish Events can be left empty, or set to v1/devices/me/attributes.

On the Authentication tab:

Auth shall be set to Username+Password
Name shall be {appargs}. Make sure you added appargs to your Handler Fields.
Other fields are left empty.

Make sure that your Handler Parse Uplink and Parse Event produce a flat list of string, boolean and numeric fields only.

Adafruit IO

Adafruit IO supports MQTT and MQTT/SSL. Before doing the integration, make sure you consult the following Adafruit articles:

Adafruit IO
Adafruit IO Basics: Feeds
Adafruit IO Basics: Dashboards
MQTT, AdafruitIO & You!

Once your Adafruit account, dashboards and feeds are set up, go to the lorawan-server web-administration and create a Backends->Connector:

URI - mqtt://io.adafruit.com or mqtts://io.adafruit.com.
Publish Uplinks - Name of the topic you will be publishing to in the form YourUserName/feeds/YourFeed.
Subscribe - Name of the topic you want to receive data from in the form YourUserName/feeds/YourFeed.

On the Authentication tab:

Client ID - can be anything, but try to keep it unique among connectors.
Auth should be set to Username+Password:
- Name - Your Adafruit account name (see the last article in the list above).
- Password/Key - Your Adafruit Key, NOT your account password (see above).

Adafruit supports only a single value feeds, so it is a limitation, if your mote sends multiple values in one packet. Also, Adafruit IO expects the payload of the MQTT message to be either a simple string value, like "17" or "string", or a proper formatted JSON of the form { "value": data } (ex. {"value": 23.5}, {"value": "sometext"}, etc). It should be noted, that if the source of data, especially string data, is not really trustworthy or predictable it is safer to wrap the message into JSON packing, then to rely on the fact that normally the messages are not JSON-like.

To achieve that you need to create a Handler with the Format field set to Raw Data, Connector field set to your Connector and Parse Uplink function with the code to parse your sensor data and create a simple string or a JSON string expected by Adafruit.

This example function expects that the sensor is sending 16 bits of humidity, 16 bits of temperature (in tenths of a degree) and 1 byte checksum. It uses only temperature, because, as stated above, Adafruit feeds are single value. Temperature sign is encoded in the 16th bit.

fun(_Port, <<_Humid:16, Temp0:16, _Csum>>) -> % Point 1
TSign = Temp0 band 16#8000, % Point 2
TVal = Temp0 band 16#7FFF, % Point 3
case TSign of % Point 4
  0 -> Temp = TVal / 10;
  _ -> Temp = -(TVal / 10)
end,
[H|_] = io_lib:format("~w", [Temp]), % Point 5
 <<"{\"value\":", (list_to_binary(H))/bytes, "}">> % Point 6
end.

What this code does:

Parse the data packet from the sensor into three fields: Humid, Temp0 and Csum. 16-bit, big-endian. Humid and Csum are not used, so their names are prefixed with _ sign.
Get the sign indication (+/-) from the temperature value.
Strip off the sign indication from the temperature value.
According to the sign indication, get the temperature value in degrees instead of their tenths.
io_lib:format() function converts a given value into text representation, but returns a list. So, as we have only one value, we take the first element of its result and drop everything else, resulting our value being a proper stringlist (H).
Build the resulting binary value to be sent to Adafruit IO: {"value": temperature}.

After all of this is ready, you need to select this Handler as a Group on your Devices or Nodes configuration page. And don't forget to set your Application field to backend there.

Orange Live Objects

Define a new Handler:

Set Uplink Fields to deveui and datetime.

The Parse Uplink shall be as follows:

fun(#{deveui := DevEui, datetime := DateTime}=Fields, Data) ->
  [[
    #{metadata => #source => {<<"urn:lora:", (lorawan_utils:binary_to_hex(DevEui))/binary>>},
      model => <<"your_model">>,
      streamId => <<"urn:lora:", (lorawan_utils:binary_to_hex(DevEui))/binary, "!uplink">>,
      tags => [],
      timestamp => DateTime,
      value => Fields#{payload => lorawan_utils:binary_to_hex(Data)}
    }
  ]]
end.

Then, define a new Connector:

URI set to https://liveobjects.orange-business.com
Publish Uplinks set to /api/v0/data/bulk
Authetification tab shall define
- Auth Header+Token
- Name X-API-Key
- Password/Key shall be set to your key

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Integration.md

Integration.md

Integration Guide

AWS IoT

IBM Watson IoT Platform

MathWorks ThingSpeak

Microsoft Azure IoT Hub

ThingsBoard Open-source IoT Platform

Adafruit IO

Orange Live Objects

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Integration Guide

AWS IoT

IBM Watson IoT Platform

MathWorks ThingSpeak

Microsoft Azure IoT Hub

ThingsBoard Open-source IoT Platform

Adafruit IO

Orange Live Objects