Adjust wifi based proxies for coexistence

[bdraco]

fixes #67

https://espressif-docs.readthedocs-hosted.com/projects/espressif-esp-faq/en/latest/software-framework/ble-bt.html#how-do-esp32-bluetooth-and-wi-fi-coexist

If the Bluetooth LE and Wi-Fi coexistence is required.....However, if this option is not enabled, please note that the Bluetooth LE scan window should be larger than 150 ms, and the Bluetooth LE scan interval should be less than 500 ms.

https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/coexist.html

We will use the defaults for the wifi versions leave the 1100ms for ethernet as this makes the devices stable and avoids the wifi disconnect problem.

In a future PR we may be able to enable the built-in coexistence logic in the ESP-IDF code, but that is a more involved change.

[bdraco]

450ms/450ms still doesn't work.

Might need to be 450ms interval, 160ms window?

[bdraco]

It may make more sense to enable the coexistence configurations instead of this.

Ideally we land on a config that works for Wi-Fi and can still operate Erik's lock as that's going to be a great test case for this.

Will come back to this after beta and release. I want to get home-assistant/core#88603 in first as well

[bdraco]

Looks like the defaults work well for wifi devices but much more and things get a bit unstable.

home-assistant/core#87158 (comment)

Still need to collect more feedback and look into if the built in coexistence settings will improve the situation.

[bdraco]

Some more interesting reads https://esp32.com/viewtopic.php?t=2291

[bdraco]

https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/coexist.html#setting-coexistence-compile-time-options

[nagyrobi]

@bdraco by coexistence you mean a new configurable option, or just fine-tuned numbers for existing params?

[bdraco]

Now have reports that the defaults fix the Wi-Fi stability and active connections.

I still want to do some testing with the coexistence flags but it might be the best interim solution to make the Wi-Fi ones the defaults and use the enhanced values for Ethernet

[bdraco]

esphome/issues#2941 (comment)

https://www.reddit.com/r/Esphome/comments/119jy9o/esp32_ble_tracker_prevents_wifi_from_connecting/?utm_source=share&utm_medium=ios_app&utm_name=iossmf

Additional related posts

[nagyrobi]

it might be the best interim solution to make the Wi-Fi ones the defaults and use the enhanced values for Ethernet

Sounds good

[bdraco]

@bdraco by coexistence you mean a new configurable option, or just fine-tuned numbers for existing params?

It would likely have to first be a change in the esphome code to add support for the underlying compile flags, and than a change here to enable them.

[nagyrobi]

That would be awesome.