It looks to me like ble_hid_keyboard and ble_hid_controls might be mutually-exclusive. Is it feasible to send commands in both "mechanisms" without a rewrite of those modules?
In the Adafruit Bluefruit LE services AT command API, I seem to remember it's possible to send both AT+BLEHIDCONTROLKEY and AT+BLEKEYBOARDCODE in the same "session" (so to speak). And, a typical Bluetooth keyboard with media keys can obviously do both media controls and keyboard presses simultaneously.
I want to be able to send:
0xb8 is the "Show Keyboard / Eject" key, which should reveal the keyboard on iOS; if you connect even a one-button keyboard in iOS, it assumes you don't want the on-screen keyboard. I don't know of a way to tell iOS that it's a limited "auxiliary" keyboard, so without that, offering the Eject key is a workaround.
I assume this is part of the HID report definition -- writing a comprehensive definition encompassing both -- but it's a bit beyond me. I'm wondering if @Gordon might know how to create a unified report definition capable of both, having written the two existing HID modules.
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