dokutan / rgb_keyboard

Controls the RGB lighting on some keyboards (GMMK and others).

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rgb_keyboard

Controls the RGB lighting on some keyboards. Tested on Linux and FreeBSD, should work on other operating systems.

Disclaimer: This software is not supported by the manufacturer of the hardware in any way, and relies completely on information from reverse-engineering. There is no warranty, especially in case of damage to the hardware.

Supported keyboards

USB keyboards with VID 0x0c45, maybe others.

Name PID Tested Uses control transfer mode
Tecware Phantom RGB TKL ANSI and TKL ISO
Glorious GMMK full-size ANSI and TKL ANSI
0x652f Yes No
Ajazz AK33 0x7903 Yes Yes
Redragon K550 Yama 0x5204 Yes Yes
Redragon K556 Devarajas
Redragon K587 PRO Magic Wand
Redragon Mitra RGB
Redragon SURARA K582
0x5004 Yes Yes
Redragon K552 Kumara 0x5104 Yes Yes
Warrior Kane TC235 0x8520 No (Yes)

See --control option for details on the control transfer mode.

You can help to expand this list by providing information whether this software works correctly or not.

Known issues that require your help (please open an issue or pull request if you want to contribute):

  • Remapping keys on the Ajazz AK33 and some ISO boards is broken (all keys are shifted around). Remapping works on the Tecware Phantom TKL ISO, but there might be different firmware versions, so be careful when trying this.
  • Setting the USB report/poll rate on the Ajazz AK33 is untested
  • Custom led patterns don't work correctly on the Redragon K550 Yama, K556 Devarajas and K587 PRO Magic Wand.

Installing

  • Clone this repository or download a release
git clone https://github.com/dokutan/rgb_keyboard
cd ./rgb_keyboard
  • Make sure you have libusb installed (on some distros (e.g. Ubuntu) you might need a dev package)

Arch Linux

An AUR package is available.

Linux

  • compile and copy everything to the right place with (not required: replace the 4 with the number of cpu cores you have)
make -j4
sudo make install
  • restart for the udev rule to take effect (without this you probably won't be able to use this softwate without root)

FreeBSD

  • install pkgconf
  • compile with
make CC=clang++ -j4
  • copy rgb_keyboard to some directory in your $PATH, or execute it directly with
./rgb_keyboard
  • Current limitations on FreeBSD:
    • You need root privileges to use the program
    • After the program has finished, the keyboard won't work and needs to be unplugged and plugged back in.

OS X

Compiling and running on OS X is not properly tested or supported because i don't have access to a machine with OS X. However all dependencies are available and compiling with clang should work (more information), your feedback and contributions are welcome.

Usage

rgb_keyboard --help

to see all options

rgb_keyboard --list-keys arg

to see all keynames (arg = led, map, option)

For the gui see the appropriate section below

Profiles

Three individual profiles (1-3) are stored on the keyboard. Examples:

rgb_keyboard --active 2

to change to the second profile.

rgb_keyboard --profile 3 ⟨further options⟩

to apply settings to profile 3. Without this option profile 1 is used.

Examples

rgb_keyboard --brightness 5 --speed 2 --color 00ff00 --leds rain

to set a specific pattern.

rgb_keyboard --custom-pattern example.conf

to set a custom pattern from a file.

rgb_keyboard --keymap example.keymap

to set a custom keymap from a file.

Config files (Key mapping and color)

Take a look at example.conf and example.keymap. Use the --layout option if your keyboard is not an ANSI one, e.g. --layout brazil.

Change custom key colors from the commandline

Similar to the config file, instead of a tab an equal sign and instead of a newline a semicolon is being used. Comments are not allowed. The string must end with a semicolon.

rgb_keyboard --custom-keys "key_name=color;key_name=color;"

--bus and --device options

In case you have multiple keyboards attached or you suspect a keyboard with a different vendor id or product id might be compatible, the keyboard can also be opened by specifying the bus number and device id. These can be found by running lsusb.

rgb_keyboard --bus ⟨bus id⟩ --device ⟨device number⟩ ...

--kernel-driver option

On some systems libusb might no be able to properly detach the kernel driver, and the program will fail to open the keyboard. The --kernel-driver option skips this step and is intended for better compatibility.

--interface0 option

Don't open usb interface 0 on the keyboard. This allows input to happen while settings are applied, and is primarily intended for scripting purposes. Because compatibility is untested, this needs to be specifically enabled with this option.

--control option

This is the replacement for the --ajazzak33 or -A option. This option expects true or false as an argument and toggles the control transfer mode to send data. Normally this shouldn't be required as the program attempts to use the right mode automatically.

GUI

A separate frontend written in Tcl/Tk exists, however not all features are implemented. Running the gui:

chmod +x rgb_keyboard-gui.tcl
./rgb_keyboard-gui.tcl

The gui is not copied to /usr/bin by default, you can do so manually.

TODO

TODO.md

License

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

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Controls the RGB lighting on some keyboards (GMMK and others).

License:GNU General Public License v3.0


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