James Pattinson schrieb am Montag, 30. September 2024 um 09:08:00 UTC+2:
That's a good idea. My Python skills aren't brilliant (I still write
scripts like I'm in the 1990s) but I had considered writing a script
totally outside of WeeWX to subscribe to the MQTT topics, perform this
calculation, and emit the average. Doing with a WeeWX service would be a
more elegant solution, so I will take a look at some examples.
Such a service would look like this:
*class *YourService(StdService):
*def *__init__(self, engine, conf_dict):
super(YourService,self).__init__(engine, conf_dict)
self.wind_readings_cache = []
self.bind(weewx.NEW_LOOP_PACKET, self.new_loop_packet)
*def *new_loop_packet(self, event):
wind = event.packet.get('windSpeed')
if wind is not None:
# do some calculations involving self.wind_readings_cache
event.packet['windSpeedAvg'] = ...
This is a rough sketch. There are more details to consider to complete it.
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