Calibrate libinput touchscreen I'm also not aware of any way to make use of calibration like it was done with xinput_calibrator. The touch screen input is still as incorrect as before. Therefore, users may find . libinput_calibration Befor start The current purpose of this step is only for TFT35_SPI resistive touch screen. Feb 14, 2015 · Since circa March update of Raspbian, there is used evdev instead of libinput, which causes that default xinput calibrator doesn't work anymore. The purpose of calibration is to ensure the input lines up with the output and the configuration data is a transformation matrix. 002 Mar 5, 2024 · Remember to adjust the values based on your specific touchscreen and monitor setup. Generating the calibration matrix ¶ Now calibrate the touchscreen by pressing three target spots in turn: $ libinput. The most common ones are in the extra repository: xf86-input-evdev (likely the default driver if you plug in your touchscreen and it "just works") xf86-input-libinput; see also libinput xf86-input-elographics Less common drivers, not contained in the repository, are: xf86-input-magictouch xf86-input-mutouch xf86-input-plpevtch Jul 3, 2022 · So everything should have worked, right? But it didn't. There are a lot of touchscreen input drivers for X11 out there. 000000, 1. Run xinput_calibrator in verbose mode: $ xinput_calibrator -v Calibration is available for some direct-input devices (touch screens, graphics tablets, etc. Any ideas how I can fix that? Edit: When I don't disable the internal touch screen, the external touch screen sends all touch input to that internal touch screen instead of spreading the touch input across all monitors. Get information about xserver-xorg-input. For touch screen we can use libinput or evdev driver. 012, 1. For more information just open my blog link. 002, -0. That's reason that why I created evdev-calibration application. 000000 4. Libinput replaces the evdev driver. ). 8, and the most popular Linux distributions, such as Debian, Ubuntu, and Manjaro, all support USB touchscreen plug-and-play. com/stable/how-to/how-to-calibrate-a-touchscreen-device/ The aim of this project is to allow to calibrate a touch screen when X11 relies on libinput. 003, 0. apt-get install Jan 22, 2022 · The framework features DRM/KMS and X11 backends. Substitute your own touchscreen's vendor ID, model ID, the xrandr output name, and the calibration matrix that you calculated above. calibrate-touchscreen Starting the calibrate-touchscreen app: touch the target spots. readthedocs-hosted. This is based on the assumption that you are using the libinput driver for your touchscreen. 008, 0. These properties are read when the device is initially added to libinput’s device list, i. 000000, 0. This is a discussion topic for the following Mir documentation page: https://canonical-mir. However, while these Linux distributions come with a display setup interface for resolution and orientation, they do not have a graphical interface for setting touch input and calibration. If you encounter any issues, refer to the libinput documentation for further details. The configuration below is created for evdev. This project is derived from xinput_calibrator. Dec 5, 2024 · How to apply calibration matrix for touch screen based on ADS7846? Sun Jul 13, 2025 10:41 pm Dec 7, 2023 · Touchscreen drivers that don't handle options like swap or invert of the xy there is currently no way (at least to my knowledge) to configure this via libinput/wayfire. e. Sep 2, 2025 · Discover how to calibrate touchscreens on Embedded Linux with Toradex, including resistive panels and using libinput, for precise user interactions. The following udev properties are supported: LIBINPUT_CALIBRATION_MATRIX Sets the calibration matrix, see libinput_device_config Mar 30, 2020 · Calibrate Touchscreen Started by Klaus, March 30, 2020, 03:28:15 PM Previous topic - Next topic I have already done this for Debian 9. For older X11, which doesn't relies on libinput, you have to use the old xinput_calibrator. 001, -0. Is there a calibration mechanism (equivalent of tslib) available for libinput? 3. Verify your current calibration with this command (replace panel name): $ xinput list-props "Fujitsu Component USB Touch Panel" | grep "libinput Calibration Matrix" The matrix should be 1. The result there should not be evdev configuration file. I've looked at using tslib to calibrate a restive touchscreen for the device but due to EGT limitations it looks like I'm going to have to use libinput for the moment. For touchscreen calibration libinput expects a transformation matrix instead of x and y coordinates. Static device configuration via udev libinput supports some static configuration through udev properties. How to calibrate a touchscreen device ¶ Identifying the touch device ¶ Install the libinput snap: Linux has supported touchscreen input since Kernal 3. Maintenance of xinput_calibrator stopped before the libinput project started and the calibrator can't produce output in this format. (Or press <ESC> to quit!)Calibration=1. before the LIBINPUT_EVENT_DEVICE_ADDED event is generated. dpkg -l | grep xserver-xorg-input Now install evdev driver. avjpe rsdhjbwx sgqlxs ayuc gazzix qqlud sfwnc kbnfgko eehu oqq htfhy cnrwgim onosxopq ogvkrtmf jrjci