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Luke 9fea5a4126
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README.md

ROG-Core

rog-core is a utility for Linux to control many aspects (eventually) of the ASUS ROG laptops like the Zephyrus GX502GW.

One of the benefits of this app (for me at least) is that you don’t require a kernel with correct support for the laptop keyboard EC. The app reads and writes direct to the device interrupts, and can be customised (in source) quite extensively to do what you want such as directly controlling your laptop backlight rather than emitting a key-press for the DE to handle. There is also the possibility of rebinding fn keys to be macros which emit a series of keyboard presses.

Other laptop functions such as fan modes or battery charge limiting will need kernel level support.

Discord

Discord server link

SUPPORTED LAPTOPS

  • GM501
  • GX502
  • GX531
  • G512
  • G712
  • GX531
  • G531
  • GA14/GA401 is supported, including the AniMe display. You will need kernel patches.
  • GA15/GA502/GU502 appears to have most things working

Please help test or provide info for:

  • GL703(0x1869)
  • GL553/GL753 (device = 0x1854) (attempted support from researching 2nd-hand info, multizone may work)

Laptop support is added on a per-case basis as the EC for the keyboard varies a little between models, e.g, some RGB modes are missing, or it’s a single colour. As far as I can see, the EC does not give us a way to find what modes are supported.

Implemented

Requirements for compiling

  • rustc + cargo + make
  • libusb-1.0-0-dev
  • libdbus-1-dev
  • llvm
  • libclang-dev

Installing

Run make then sudo make install then reboot.

The default init method is to use the udev rule, this ensures that the service is started when the device is initialised and ready.

If you are upgrading from a previous installed version, you will need to restart the service or reboot.

$ systemctl daemon-reload && systemctl restart rog-core

You may also need to activate the service for debian install. If running Pop!_OS, I suggest disabling system76-power gnome-shell extension, or at least limiting use of the power-management parts as rog-core lets you set the same things (one or the other will overwrite pstates). I will create a shell extension at some point similar to system76, but using the rog-core parts. It is safe to leave system76-power.service enabled and use for switching between graphics modes.

Ubuntu PPA

Alternatively, instead of building manually you can use the PPA.

sudo add-apt-repository ppa:lukedjones/rog-core
sudo apt-get update
sudo apt-get install rog-core

the rog-core service will run when the device is initialised.

Gentoo ebuild

Thanks to @aspann you can grab it here sys-power/rog-core

Arch AUR

You can find the thingimajig here. If you are using a GA14 or GA15 series, you may need kernel patches.

Updating

Occasionally I might break things for you by tweaking or changing the config file layout. Usually this will mean you need to remove /etc/rog-core.conf and restart the daemon to create a new one. You can back up the old one and copy settings back over (then restart daemon again).

Usage

NOTE! Fan mode toggling requires a newer kernel. I’m unsure when the patches required for it got merged - I’ve tested with the 5.6.6 kernel and above only. To see if the fan-mode changed cat either:

  • cat /sys/devices/platform/asus-nb-wmi/throttle_thermal_policy or
  • cat /sys/devices/platform/asus-nb-wmi/fan_boost_mode

The numbers are 0 = Normal/Balanced, 1 = Boost, 2 = Silent.

Running the program as a daemon manually will require root. Standard (non-daemon) mode expects to be communicating with the daemon mode over dbus.

Commands are given by:

rog-core <option> <command> <command-options>

Help is available through:

rog-core --help
rog-core <command> --help

Some commands may have subcommands:

rog-core <command> <subcommand> --help

Example

$ rog-core --help
Usage: rog-core [OPTIONS]

Optional arguments:
  -h, --help          print help message
  -v, --version       show program version number
  -d, --daemon        start daemon
  -b, --bright VAL    <off, low, med, high>
  -f, --fan-mode FAN  <silent, normal, boost>

Available commands:
  led-mode  Set the keyboard lighting from built-in modes

$ rog-core led-mode --help
Usage: rog-core led-mode [OPTIONS]

Optional arguments:
  -h, --help  print help message

Available commands:
  stable        set a single static colour
  breathe       pulse between one or two colours
  strobe        strobe through all colours
  rainbow       rainbow cycling in one of four directions
  star          rain pattern mimicking raindrops
  rain          rain pattern of three preset colours
  highlight     pressed keys are highlighted to fade
  laser         pressed keys generate horizontal laser
  ripple        pressed keys ripple outwards like a splash
  pulse         set a rapid pulse
  comet         set a vertical line zooming from left
  flash         set a wide vertical line zooming from left
  multi-static  4-zone multi-colour

$ rog-core led-mode stable --help
Usage: rog-core led-mode stable [OPTIONS]

Optional arguments:
  -h, --help  print help message
  -c HEX      set the RGB value e.g, ff00ff

$ rog-core led-mode star --help
Usage: rog-core led-mode star [OPTIONS]

Optional arguments:
  -h, --help  print help message
  -c HEX      set the first RGB value e.g, ff00ff
  -C HEX      set the second RGB value e.g, ff00ff
  -s SPEED    set the speed: low, med, high

ROG Key

The ROG key can be customized in a limited way by use of presets:

  • Power
  • Sleep
  • MediaRecord
  • MediaFastFwd
  • MediaRewind
  • MediaNext
  • MediaPrev
  • MediaStop
  • MediaPlayPause
  • MediaVolMute
  • MediaVolUp
  • MediaVolDown
  • BacklightInc
  • BacklightDec
  • ControlConfig
  • LaunchTextEditor
  • LaunchEmailApp
  • LaunchNewsReader
  • LaunchCalendar
  • LaunchCalculator
  • LaunchWebBrowser
  • FileBrowser

This key can be changed in /etc/rogcore.conf, for example:

{
  "rog_key": "FileBrowser",

Daemon mode

If the daemon service is enabled then on boot the following will be reloaded from save:

  • LED brightness
  • Last used built-in mode
  • fan-boost/thermal mode
  • battery charging limit

The daemon also saves the settings per mode as the keyboard does not do this itself - this means cycling through modes with the Aura keys will use the settings that were used via CLI.

Daemon mode creates a config file at /etc/rogcore.conf which you can edit a little of. Most parts will be byte arrays, but you can adjust things like mode_performance.

DBUS Input

See README_DBUS.md.

AniMe input

You will want to look at what MeuMeu has done with https://github.com/Meumeu/ZephyrusBling/

Wireshark captures

TODO: see ./wireshark_data/ for some captures.

Supporting more laptops

At a minimum it probably needs to be a Zephyrus laptop. If there is enough interest I will remove the restriction on board names so that anyone can try the app.

From there I’ll need wireshark captures from Windows using Armoury Crate if possible:

  • No USB devices plugged in
  • One action per capture, 2 or 3 times
  • An action may be switching a mode or pressing a button

The real ticket items are:

  • Captures from installing Armoury Crate. To do this you need to uninstall almost all ASUS junkware and such
  • Byte sequence captures from hotkeys pressed in linux (which I need to make a tool for)
  • lsusb output

lsusb:

First do lsusb |grep 0b05 and check the part after 0b05:, output looks like:

Bus 001 Device 005: ID 0b05:1866 ASUSTek Computer, Inc. N-KEY Device

Then do sudo lsusb -vd 0b05:1866 > ~/laptop_info and give that to me.

Other helpful info can be gained from sudo usbhid-dump, for which you may need to unload kernel drivers. Please google this.

Also required (for my book-keeping of data):

  • cat /sys/class/dmi/id/product_name
  • cat /sys/class/dmi/id/product_family
  • cat /sys/class/dmi/id/board_name

License

Mozilla Public License 2 (MPL-2.0)

Credits