I want to get rssi about bluepad32 HOT 10 OPEN

@apoll2000 good finding. It seems to be an async functions, so I need listen to the RSSI event, and then update the value internally, so that Arduino can read it.

Not a trivial change, but I'll think what's the best way to integrrate it into BP32

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could you be more specific ? which platform ? use case ? etc ( https://tinyurl.com/bluepad32-help )

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I'm using an ESP32 Dev kit and an Android TV Game controller.
BTstack can get the RSSI value, but how do I get the RSSI value when using Bluepad32?
I would like to check the Bluetooth signal quality by checking the Received Signal Strength Indicator.

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I guess are you using Arduino, correct ?

I guess I can put that info in uni_bt_conn... and you should be able to get that info.

But I'd like to understand the use case a bit more.... what do you plan to do with the RSSI ? close the connection if not strong enough ? inform the user ?... the more details you add, easier for me to implement a feature that would be useful for you

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I would like to record the rssi when input lag is measured.

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Hi, this feature would also be really helpful for me. I am using a PS5 controller as a remote controller with an ESP32 running the bluepad32 arduino library, and reading out the RSSI would be useful as a safety feature so that a drop in signal strength can be detected.
Is it possible to access the RSSI somehow? Thank you very much in advance!

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@apoll2000 as a safety measure you can do something similar to what I described here:
#45 (comment)

Regarding RSSI, the entire BTstack API is avaiable for Arduino users... you can call any API.
Wondering what is the API that returns the RSSI... I know the RSSI appears for BR/EDR connections when they advertise...

Not sure how to get it runtime... but if BTstack has that API, then you should be able to call it.
You might need the connection handle, which is not available to the Arduino API, but I can expose it so you can use.... if you can tell me which BTstack API you need to call, I can provide the needed arguments for that API

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Thank you very much for your quick response, I had to read into everything a bit to understand.

The RSSI readout is implemented in the BTStack GAP API, with the function int gap_read_rssi(hci_con_handle_t con_handle), and it indeed requires the connection handle (function listed here in the documentation).

It would be great if you could help me access that from within Arduino.

Also just wanted to say thank you for this great library, it's already helping me a lot!

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I've just added some changes so that this issue can be mitigated:

• BP32.update() returns whether data has been received in any of the controllers.
• Controller.hasData() returns whether data has been received since BP32.update() was called.

Sketch updated:
https://github.com/ricardoquesada/esp-idf-arduino-bluepad32-template/blob/develop/main/sketch.cpp#L274

and here:
https://github.com/ricardoquesada/esp-idf-arduino-bluepad32-template/blob/develop/main/sketch.cpp#L229

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Thank you for this, the update() method seems to solve exactly the issue I was having when data did not come through.

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