Hi,
i reverse engineered the procedure for reading the RSSI of an unpaired and non-discoverable bluetooth device (linux hcitool).
It will sometimes return a reasonable value, but half of the time it returns 0, although it's pretty far away, which is why I think this is incorrect. The ratio of reasonable_values/0 changes with the delay that is done between the different commands, but I couldn't really find a sweet spot with a >50% chance of not getting 0.
I guess something needs to be done on espressif side. Ideally in that case it should return a status code !=0.
Any espressif developers here?
BR
ESP32 Bluetooth Classic RSSI unreliable
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