Screen rotation (for KlipperScreen)

Contents:

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• Rotation: Edit /etc/X11/xorg.conf.d/01-armbian-defaults.conf
  • default:

    Section "Device"
      Identifier "default"
      Driver "fbdev"
      Option "Rotate" "CW" #这里是翻转的方向，"CW" (clockwise, 90 degrees), "UD" (upside down, 180 degrees) and "CCW" (counter clockwise, 270 degrees)
    EndSection
    

  • rotated left 90°

    Section "Device"
      Identifier "default"
      Driver "fbdev"
      #Option "Rotate" "CW" #这里是翻转的方向，"CW" (clockwise, 90 degrees), "UD" (upside down, 180 degrees) and "CCW" (counter clockwise, 270 degrees)
    EndSection
    Section "InputClass"
      Identifier "libinput touchscreen catchall"
      MatchIsTouchscreen "on"
      MatchDevicePath "/dev/input/event*"
      Driver "libinput"
      Option "TransformationMatrix" "1 0 0 0 1 0 0 0 1"
    EndSection
    # 0°                                      1 0 0 0 1 0 0 0 1
    # 90° Clockwise                           0 -1 1 1 0 0 0 0 1
    # 90° Counter-Clockwise                   0 1 0 -1 0 1 0 0 1
    # 180° (Inverts X and Y)                  -1 0 1 0 -1 1 0 0 1
    # invert Y                                -1 0 1 1 1 0 0 0 1
    # invert X                                -1 0 1 0 1 0 0 0 1
    # expand to twice the size horizontally   0.5 0 0 0 1 0 0 0 1
    

  • portrait mode for redrathnure’s image:

    Section "Device"
      Identifier "default"
      Driver "fbdev"
      Option "Rotate" "CW"
    EndSection
    Section "InputClass"
      Identifier "libinput touchscreen catchall"
      MatchIsTouchscreen "on"
      MatchDevicePath "/dev/input/event*"
      Driver "libinput"
      Option "TransformationMatrix" "0 1 0 -1 0 1 0 0 1"
    EndSection
    

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