124 lines
4.4 KiB
Markdown
124 lines
4.4 KiB
Markdown
# Hardware
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There are no recommended screens, but the minimum supported resolution is 480x320
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#### Hardware known to work
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* [BTT PI TFT50](https://www.biqu.equipment/collections/lcd/products/bigtreetech-pi-tft50-v1-0-tft-display-for-raspberry-pi-3d-printer-part)
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* [BTT HDMI5/7](https://biqu.equipment/products/bigtreetech-hdmi5-v1-0-hdmi7-v1-0)
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* [Raspberry PI 7" Touchscreen](https://www.raspberrypi.org/products/raspberry-pi-touch-display/)
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* [Hyperpixel 4](https://shop.pimoroni.com/products/hyperpixel-4)
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* [3.5" Elegoo](https://www.elegoo.com/de/products/elegoo-3-5-inch-tft-lcd-screen)
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* [3.5" RPi Display](http://www.lcdwiki.com/3.5inch_RPi_Display)
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* [5" HDMI Display-B](http://lcdwiki.com/5inch_HDMI_Display-B)
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* [VoCore](https://klipper.discourse.group/t/hardware-known-to-work-with-klipperscreen/35/7)
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* [WAVESHARE 4.3 inch DSI LCD](https://www.waveshare.com/4.3inch-dsi-lcd.htm)
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* [DFrobot DFR0550](https://wiki.dfrobot.com/5%27%27TFT-Display_with_Touchscreen_V1.0_SKU_DFR0550)
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* [Android phone](Android.md)
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* [More known hardware in the klipper discourse](https://klipper.discourse.group/t/hardware-known-to-work-with-klipperscreen/35)
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### Configuration
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Follow the manufacturer instructions on how to install your screen. In general if you see a white screen, then it's not properly installed, ensure that you at least see a console, Then [install](Installation.md) KlipperScreen, if you are having troubles refer to the [troubleshooting page](Troubleshooting.md) for further information.
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## Screen rotation
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Currently there is no support for rotation at runtime, do not use xrandr to rotate the screen.
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Configure the server to start in the desired orientation, there are many ways to achieve this, here is one:
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Create /usr/share/X11/xorg.conf.d/90-monitor.conf
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```bash
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sudo nano /usr/share/X11/xorg.conf.d/90-monitor.conf
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```
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Paste this section modifying the options to suit your needs:
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```
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Section "Monitor"
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Identifier "DPI-1"
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# This identifier would be the same as the name of the connector printed by xrandr.
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# it can be "HDMI-0" "DisplayPort-0", "DSI-0", "DVI-0", "DPI-0" etc
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Option "Rotate" "left"
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# Valid rotation options are normal,inverted,left,right
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Option "PreferredMode" "1920x1080"
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# May be necesary if you are not getting your prefered resolution.
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EndSection
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```
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Save the file and restart KlipperScreen.
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```bash
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sudo service KlipperScreen restart
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```
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## Touchscreen touch rotation
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If your touchscreen isn't registering touches properly after the screen has been rotated, you will need to apply a
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transformation matrix.
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First you will need your device name, on a terminal run:
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```sh
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DISPLAY=:0 xinput
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```
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Output:
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```sh
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⎡ Virtual core pointer id=2 [master pointer (3)]
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⎜ ↳ Virtual core XTEST pointer id=4 [slave pointer (2)]
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⎜ ↳ ADS7846 Touchscreen id=6 [slave pointer (2)]
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⎣ Virtual core keyboard id=3 [master keyboard (2)]
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↳ Virtual core XTEST keyboard id=5 [slave keyboard (3)]
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```
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In this case the device is the ADS7846 Touchscreen, yours may be different
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You can test a change by running:
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```sh
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DISPLAY=:0 xinput set-prop "<device name>" 'Coordinate Transformation Matrix' <matrix>
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```
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Where the matrix can be one of the following options:
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* 0°: `1 0 0 0 1 0 0 0 1`
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* 90° Clockwise: `0 -1 1 1 0 0 0 0 1`
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* 90° Counter-Clockwise: `0 1 0 -1 0 1 0 0 1`
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* 180° (Inverts X and Y): `-1 0 1 0 -1 1 0 0 1`
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* invert Y: `-1 0 1 1 1 0 0 0 1`
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* invert X: `-1 0 1 0 1 0 0 0 1`
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For example:
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```sh
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DISPLAY=:0 xinput set-prop "ADS7846 Touchscreen" 'Coordinate Transformation Matrix' -1 0 1 0 -1 1 0 0 1
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```
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To make this permanent, modify the file `/etc/udev/rules.d/51-touchscreen.rules` and add following line:
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```sh
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ACTION=="add", ATTRS{name}=="<device name>", ENV{LIBINPUT_CALIBRATION_MATRIX}="<matrix>"
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```
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As an alternative if the above doesn't work:
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edit /usr/share/X11/xorg.conf.d/40-libinput.conf
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for example:
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```sh
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Section "InputClass"
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Identifier "libinput touchscreen catchall"
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MatchIsTouchscreen "on"
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MatchDevicePath "/dev/input/event*"
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Driver "libinput"
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Option "TransformationMatrix" "0 -1 1 1 0 0 0 0 1"
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EndSection
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```
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More info about input transformation can be found in:
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* [Ubuntu wiki InputCoordinateTransformation](https://wiki.ubuntu.com/X/InputCoordinateTransformation)
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* [Libinput docs](https://wayland.freedesktop.org/libinput/doc/1.9.0/absolute_axes.html)
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