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Working on my Logitech G105 keyboard, to hopefully implement a userspace driver to activate some of its specialized features.

I've captured the usb traffic it outputs when using a windows vm with the official logitech drivers, output of starting the software and setting the m1 led active are in this gist (usbmon-boot and usbmon-m1 respectively).

Replaying the packets with in python with dev.ctrl_transfer(0x21, 0x09, 0x0200, 0x0000, 0x0001) and so on results in almost the exact results, however, the data words after = in usbmon are all 00, and the led on the keyboard does not activate.

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  • No experience with pyusb, but sourceforge.net/projects/g15daemon might save you some work. Nov 5 '15 at 9:15
  • I've looked into it, it doesn't seem to be very active at the moment and as of right now doesn't support my keyboard
    – hanetzer
    Nov 5 '15 at 10:01
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Ah, figured out my problem. I was doing

dev.ctrl_transfer(0x21, 0x09, 0x0306, 0x0001, 0x0002)

in response to

ffff8800822bbcc0 1231215925 S Co:7:009:0 s 21 09 0306 0001 0002 2 = 0601

but what I should have done is

dev.ctrl_transfer(0x21, 0x09, 0x0306, [0x06, 0x01])

Issue is resolved :D

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