How to use Bluetooth hid

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Humpelstilzchen

At least now I understand why hidkbd.app.js sends 9 bytes instead of 8: Since there are now two collections instead of only one as in ble_hid_keyboard.js the report id (2 for keyboard) needs to be prefixed. Unfortunately Linux still seem to think it is 0:

drivers/hid/hid-core.c: undefined report_id 0 received

What Linux receives is:

cat /sys/kernel/debug/hid/0005:0000:0000.0003/events
report (size 10) (numbered) = 00 02 00 00 52 00 00 00 00 00

..10 bytes

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