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MOSAIC-LoPoW/oss7-thingsboard-backend-example

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Introduction

This project is closely related to the oss7-thingsboard-gateway project, which allows to integrate an OSS-7 gateway with ThingsBoard. This project builds on top of the gateway and ThingsBoard platform and show how to build an application on top of this platform. Thingsboard is configured to forward all DASH7 ALP commands to an external MQTT broker.

The backend-example.py example subscribes to this broker and parser the ALP commands. The parsing happens here so we don't need to integrate the business logic and parsing logic in ThingsBoard. However, after the sensor value is parsed it is stored as an attribute attached to the device in ThingsBoard using it's API. In this way ThingsBoard contains all data (ie a digital twin of the devices).

The gateway-command-example.py shows how you can execute custom ALP commands on the modem in the GW (or the remote nodes reachable by the GW over DASH7), using thingsboard RPC API. In this example the ALP command used will switch the active access profile of the GW, allowing for instance to switch frequency band which is used for scanning.

Installation

  • clone the repository, including the submodules: $ git clone --recurse-submodules https://github.com/MOSAIC-LoPoW/oss7-thingsboard-backend-example.git
  • install the requirements: $ sudo pip2 install -r requirements.txt

Running

$ PYTHONPATH=lib/pyd7a/ python2 backend-example.py --help
usage: backend-example.py [-h] [-v] [-b BROKER] [-u URL] -t TOKEN

optional arguments:
  -h, --help            show this help message and exit
  -v, --verbose         verbose
  -b BROKER, --broker BROKER
                        mqtt broker hostname
  -u URL, --url URL     URL of the thingsboard server
  -t TOKEN, --token TOKEN
                        token to access the thingsboard API

The example will parse the sensor data as transmitted by OSS-7 sensor nodes by default, and store this in the my-sensor of the device.

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An example on how to add custom parsing logic on top of TB with oss7-thingsboard gateways

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