> > A notification should appear within a second of the request. > > 17:33:40.645 Send report_id=10 short device=02 DEV2 > type=09 params=0F 01 01 00 17:33:40.676 > Recv report_id=11 long device=02 DEV2 > type=09 params=0F 01 01 00 00 00 00 00 00 00 00 > 00 00 00 00 00 00 17:33:41.542 Recv report_id=11 long device=02 > DEV2 type=09 params=10 22 01 11 05 FA 47 4F 4F 44 > 00 00 00 00 00 00 00 > > Ah I recognize this! > > If I'm not mistaken the battery level is 0x22 so should be 34 % > And the light 0x0111 so 273 lux (which seems correct to me).
Makes sense, please test the updated code in https://git.lekensteyn.nl/upower/?h=hidpp-rework . There is still a FIXME, currently I assume that the device is charging whenever there is light, but this is very likely wrong. There is also a possibility to add battery voltage, but it is not documented. 22 - battery percentage (34%) 01 11 - lumenosity (273 lux) 05 fa - battery voltage with unknown conversion rules? 47 4f 4f 44 - ASCII "GOOD" (??) 0x672 is known to be 2.67793237653V (from the K750 spec[1]), I do not know what the use is for that "GOOD" text. Peter [1]: https://lekensteyn.nl/files/logitech/4301_k750_solarkeyboard_lightandbattery.pdf
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