Handheld Daemon is a project that aims to provide utilities for managing handheld devices. It features a fully functional controller emulator that exposes gyro, paddles, LEDs and QAM across Steam, RPCS3, Dolphin and others. In addition, it features TDP controls all Ryzen devices and bespoke manufacturer controls for the Legion Go and ROG Ally. It brings all supported devices up to parity with Steam Deck. Read supported devices to see if your device is supported.
Handheld Daemon exposes configuration through an API, with a gamemode overlay (double press/hold Side Menu), Decky plugin (hhd-decky), web app (hhd.dev) and desktop app (hhd-ui).
Current Features:
acpi_call while the kernel driver is being developedacpi_call + AMD's official manufacturer TDP ACPI bindings
The following devices have been verified to work correctly, with TDP, QAM, Paddles/extra buttons, RGB remapping, Touchpad, and Gyro support. The gyro axis might be incorrect for some of those devices, and can be easily fixed in the configuration menu by following these steps. If you do take the time, please open an issue with the correct mapping so it is added to your device.
In addition, Handheld Daemon will attempt to work on Ayaneo, Ayn, Onexplayer, and GPD Win devices that have not been verified to work (controller emulation will be off on first start). If everything works and you fix the gyro axis for your device, open an issue so that your device can be added to the supported list. Touchpad emulation will not work for devices not on the supported list.
For Arch and Fedora see here. For others, you can use the following script to install a local version of Handheld Daemon that updates independently of the system.
curl -L https://github.com/hhd-dev/hhd/raw/master/install.sh | bash
This script does not automatically install system dependencies.
A partial list for Ubuntu/Debian can be found here.
Then see here for a partial list of kernel
patches. This includes acpi_call for TDP on devices other than the Ally.
As Handheld Daemon matures, this list will continue to grow, so consider a gaming distro such as Bazzite for your gaming needs.
We are sorry to see you go, use the following to uninstall:
curl -L https://github.com/hhd-dev/hhd/raw/master/uninstall.sh | bash
If you find any issues with the latest version of Handheld Daemon you can use any version by specifying it with the command below.
sudo systemctl stop hhd_local@$(whoami)
~/.local/share/hhd/venv/bin/pip install hhd==2.6.0
sudo systemctl start hhd_local@$(whoami)
You can hold the ROG Crate button to switch to the ROG Ally's Mouse mode to turn the right stick into a mouse.
Combinations with the ROG, Armory Crate buttons is not supported in the Ally, you can swap them with start/select for this functionality.
For Ally X, kernel 6.11+ is required, with a few caveats. See here for details.
In order for the back buttons in GPD Win Devices to work, you need to map the back buttons to Left: PrintScreen, Right: Pausc using Windows (onscreen keyboard?). This is the default mapping, so if you never remapped them using Windows you will not have to. Handheld Daemon automatically handles the interval to enable being able to hold the buttons.
Here is how the button settings should look:
Left-key: PrtSc + 0ms + NC + 0ms + NC + 0ms + NC
Right-key: Pausc + 0ms + NC + 0ms + NC + 0ms + NC
Unfortunately, it is not possible to rapid double tap the buttons due to their implementation. The R4 button is mapped to Side Menu (QAM) by default.
You might experience a tiny amount of lag with the Ayaneo LEDs. The paddles of the Ayn Loki Max are not remappable as far as we know.
If you have set any mappings on Legion Space, they will interfere with Handheld Daemon. You can factory reset the Controllers from the Handheld Daemon settings.
The controller gyros of the Legion Go tend to drift and have noise. However, they are excellent after calibration. Calibrate them using steam calibration and be patient, as they will fail a lot. Depending on their state in rare cases they might not be possible to calibrate.
If you are using a kernel older than 6.8, and you are not on a gaming distro (Nobara, Bazzite), you need the following rule for the controllers to be recognized.
# Enable xpad for the Legion Go controllers
ATTRS{idVendor}=="17ef", ATTRS{idProduct}=="6182", RUN+="/sbin/modprobe xpad" RUN+="/bin/sh -c 'echo 17ef 6182 > /sys/bus/usb/drivers/xpad/new_id'"
By default, the Dualsense kernel driver exposes the Dualsense trackpad as a normal
trackpad.
This means that if you go to use it as steam input, you still get the normal
trackpad input.
This leads to double input.
You should use the package ds-inhibit to fix that, which detects steam and mutes
the trackpad while Steam is running.
The package ds-inhibit is available in AUR, packaged for Nobara, and enabled
by default in Bazzite.
New steam versions allow for universal glyphs that are controller agnostic, for when using the Dualsense output option. In addition, the new default Xbox option has the familiar Xbox layout. If you are willing to install Decky, which has certain stability issues as steam updates, Bazzite vendors a controller css theme for Decky that changes playstation glyphs.
Open the overlay (double press side button), or open the desktop app (Handheld Daemon/$ hhd-ui),
or go to hhd.dev and enter your device token (~/.config/hhd/token).
Then just start configuring!
While deprecated, the Decky plugin is still available:
curl -L https://github.com/hhd-dev/hhd-decky/raw/main/install.sh | sh
The configuration files are stored under ~/.config/hhd with the main one being
state.yml, which can be edited and will hot reload.
You can install Handheld Daemon from AUR (Arch) or COPR (Fedora). Both update automatically every time there is a new release. For Debian/Ubuntu see below.
# Arch
yay -S hhd adjustor hhd-ui
# Fedora
sudo dnf copr enable hhd-dev/hhd
sudo dnf install hhd adjustor hhd-ui
sudo systemctl enable hhd@$(whoami)
The following packages are required for local install to work on Ubuntu/Debian. Handheld daemon is not packaged for apt yet.
sudo apt install \
libgirepository1.0-dev \
libcairo2-dev \
libpython3-dev \
python3-venv \
libhidapi-hidraw0
Handheld Daemon (core and overlay, no TDP) is on nixpkgs in the unstable channel.
Add the following to your configuration.nix to enable:
services.handheld-daemon = {
enable = true;
user = "<your-user>";
ui.enable = true;
};
Handheld Daemon comes pre-installed on Bazzite and updates along-side the system. Most users of Handheld Daemon are on Bazzite and Bazzite releases often happen for Handheld Daemon to update. Bazzite contains all kernel patches and quirks required for all supported handhelds to work (to the extent they can; certain Ayaneo devices have issues).
If you want to test the development Handheld Daemon version you
can use ujust _hhd-dev and give feedback.
It will only last until you reboot and leave no changes to your system.
After changes are deemed stable, they usually are incorporated to Bazzite
after a few days.
See supported devices to check the status of your device and after install for specific device quirks.
To figure the correct axis from your device, go to steam calibration settings.
Then, in the overlay (double press/hold side button) switch Motion Axis to
Override and tweak only the axis (without invert) of your device until they
match the glyphs in steam.
Then, jump in a first person game and turn on Gyro to Mouse or Camera.
By default (Yaw), rotating your device like a steering wheel should turn left
to right,
and rotating it to face down or up should look up or down.
Fix the invert settings of the axis so that it is intuitive.
Finally, switch the setting Gyro Turning Axis from Yaw (rotate like a steering
wheel) to Roll (turn left to right), and fix the remaining axis inversion.
You can now either take a picture of your screen or translate the settings into text (e.g., x is k, y is l inverted, z is j) and open an issue. The override setting also displays the make and model of your device, which are required to add the mappings to Handheld Daemon.
Handheld Daemon fully supports localization through standard PO, POT files.
Contribution instructions in progress!!!
You can find pot and po files for Handheld Daemon under the i18n directory.
You can clone/download this repository and open the ./i18n directory.
Then, just copy the *.pot files into <your_locale>/LC_MESSAGES/*.po
and begin translating with your favorite text editor, or by using
tool such as Lokalize.
As far as your locale goes, unless you have a good reason to, skip the territory
code (e.g., el instead of el_GR).
The files can be updated for a new version with the following commands:
# Prepare dev environment
git clone https://github.com/hhd-dev/hhd
cd hhd
python -m venv venv
pip install babel
pip install -e .
# Regenerate POT files
pybabel extract --no-location -F i18n/babel.cfg -o i18n/hhd.pot src/hhd
# Assuming adjustor is in an adjacent directory
pybabel extract --no-location -F i18n/babel.cfg -o i18n/adjustor.pot ../adjustor/src/adjustor
# Generate PO files for your language if they do not exist
pybabel init -i i18n/hhd.pot -d i18n -D hhd -l YOUR_LANG
pybabel init -i i18n/adjustor.pot -d i18n -D adjustor -l YOUR_LANG
# Update current PO files for your language
pybabel update -i i18n/hhd.pot -d i18n -D hhd -l YOUR_LANG
pybabel update -i i18n/adjustor.pot -d i18n -D adjustor -l YOUR_LANG
Either follow Automatic Install or Manual Local Install to install the base rules.
Then, clone, optionally install the userspace rules, and run.
# Clone Handheld Daemon
git clone https://github.com/hhd-dev/hhd
cd hhd
python -m venv venv
source venv/bin/activate
pip install -e .
# Install udev rules to allow running without sudo (optional)
# but great for debugging (not all devices will run properly, the rules need to be expanded)
sudo curl https://raw.githubusercontent.com/hhd-dev/hhd/master/usr/lib/udev/rules.d/83-hhd-user.rules -o /etc/udev/rules.d/83-hhd-user.rules
# Modprobe uhid to avoid rw errors
sudo curl https://raw.githubusercontent.com/hhd-dev/hhd/master/usr/lib/modules-load.d/hhd-user.conf -o /etc/modules-load.d/hhd-user.conf
# You can now run hhd in userspace!
hhd
# Use the following to run with sudo
sudo hhd --user $(whoami)
Handheld Daemon is licensed under THE GNU GPLv3+. See LICENSE for details. A small number of files are dual licensed with MIT, and contain SPDX headers denoting so. Versions prior to and excluding 2.0.0 are licensed using MIT.
Much like a lot of open-source projects, Handheld Daemon is a community effort. It relies on the kernel drivers oxp-sensors, ayn-platform, ayaneo-platform, bmi260, and asus-wmi. In addition, certain parts of Handheld Daemon reference the reverse engineering efforts of asus-linux, the Handheld Companion project, the ValvePython project, and the HandyGCCS project. Finally, its functionality is made possible thanks to thousands of hours of volunteer testing, who have provided feedback and helped shape the project. Some of those volunteers integrated support for their devices directly, especially in the case of Ayaneo, GPD, and for the initial support of OneXPlayer, and ROG Ally devices.
FAQs
Handheld Daemon, a tool for configuring handheld devices.
We found that hhd demonstrated a healthy version release cadence and project activity because the last version was released less than a year ago. It has 1 open source maintainer collaborating on the project.
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