A Lightwave RF Proxy
Lightwave TRV Integration for HomeAssistant
This adds support for Thermostatic Radiator Valves (TRVs) to the LightwaveRF integration into HomeAssistant.
This is for Series 1 Lightwave
Lightwave does not provide an interface, via the API, to query the Lightwave Hub for the current TRV status. Instead the status is broadcast to the LAN. Thus this integration comes in two components. A HomeAssistant custom configurations, and a proxy. The proxy captures the TRV broadcast messages, and makes them available to a HomeAssistant polling loop.
git clone https://github.com/ColinRobbins/Homeassistant-Lightwave-TRV.git
pip3 install lw-trv-proxy
Set up HomeAssistant
Copy the folder, and all its contents to the HomeAssistant configuration area.
cp -r customer_components ~homeassistant/.homeassistant
The TRV broadcasts its status with the device serial number as the only identifier. This needs to be put into the HA configuration file. The file sample_configuration.yaml gives an example.
lightwave: host: 192.168.10.10 # Lightwave Hub trv_proxy_ip: 127.0.0.1 # Proxy address, do not change unless running on a different server trv_proxy_port: 7878 # Do not change, unless a port clash lights: R99D1: name: Bedroom Light trv: R1Dh: # The ID of the TRV. name: Bedroom TRV serial: E84902 # Serial number of the TRV - found in the Lightwave App, or web site
A modification is required to
to add TRV support. To replace the file...
sudo cp lightwave/lightwave.py <PATH>/lib/python3.7/site-packages/lightwave/lightwave.py
<PATH> to the appropriate HomeAssistant folder.
Run the proxy
The proxy is (by default) configured to run on the same server as HA. No configuration should be needed. Simply run it...
python3 lwproxy.py &
You will need to run this as a service to survive reboots etc. I've created a
systemctl template service description in
Restart hass. (A restart is required, simply re-reading config is not sufficient)
- Colin Robbins - Initial work - ColinRobbins
This project is licensed under the same term as HomeAssistant - see the LICENSE.md file for details
- GeoffAtHome for the initial work that started me investigating how to do this!
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