[ECOWITT] rain start detection binary sensor support

[luzik]

The problem

After upgrading Ecowitt gateway to GW2000A_V3.1.5, there is new sensor called 'srain_piezo' with values 0 and 1. Please make it available in this integration.

More information there: https://meshka.eu/Ecowitt/dokuwiki/doku.php?id=start#ws90_wittboy at the end of chapter.

What version of Home Assistant Core has the issue?

2024.9.1

What was the last working version of Home Assistant Core?

No response

What type of installation are you running?

Home Assistant Container

Integration causing the issue

Ecowitt

Link to integration documentation on our website

https://www.home-assistant.io/integrations/ecowitt/

Diagnostics information

rain start detection the WS90 and WS85 now have a rain start detection (detection of first raindrops) implemented. The GW2000 is the first console where this feature is implemented with firmware 3.1.5 - other IoT-enabled consoles to follow.

in the customized server post string, the observation will show as srain_piezo it can have the stus “1” - raining or “0” - no rain status 1 will be reset to 0

• once the top is dry
• after the amount of water on the top has remained unchanged for two hours

Example YAML snippet

No response

Anything in the logs that might be useful for us?

No response

Additional information

No response

[home-assistant[bot]]

Hey there @pvizeli, mind taking a look at this issue as it has been labeled with an integration (ecowitt) you are listed as a code owner for? Thanks!

Code owner commands

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[damianbartos]

Same issue, but in my case (Wittboy - WS90) I go additional "2" value for srain_piezo

logs:

2024-09-15 17:31:06.298 WARNING (MainThread) [aioecowitt.server] Unhandled sensor type srain_piezo value 2
2024-09-15 19:03:28.575 WARNING (MainThread) [aioecowitt.server] Unhandled sensor type srain_piezo value 0
2024-09-15 19:03:47.287 WARNING (MainThread) [aioecowitt.server] Unhandled sensor type srain_piezo value 0
2024-09-15 19:04:03.168 WARNING (MainThread) [aioecowitt.server] Unhandled sensor type srain_piezo value 1