KlipperScreen HDMI 屏幕旋转

## KlipperScreen HDMI 屏幕旋转

1. 屏幕显示旋转90度

```bash
   sudo vim /usr/share/X11/xorg.conf.d/90-monitor.conf
   
   # 90-monitor.conf
   ##########################################################
   Section "Monitor"
       Identifier "HDMI-1"
       # Option "Rotate" "normal"
       Option "Rotate" "left"	# 显示旋转90度
   EndSection
   ##########################################################
   ```

2. 触摸旋转90度

```bash
   sudo vim /usr/share/X11/xorg.conf.d/40-libinput.conf
   
   # 90-monitor.conf
   # 找到 Identifier "libinput touchscreen catchall"
   ##########################################################

# Option "CalibrationMatrix"     校正触摸屏的坐标偏差或旋转触摸输入
   
   Section "InputClass"
           Identifier "libinput touchscreen catchall"
           #Option "CalibrationMatrix" "1 0 0 0 1 0 0 0 1"
           Option "CalibrationMatrix" "0 -1 1 1 0 0 0 0 1"		# 触摸旋转90度
           #Option "CalibrationMatrix" "-1 0 1 0 -1 1 0 0 1"  # 旋转180°
           #Option "CalibrationMatrix" "0 1 0 -1 0 1 0 0 1"  # 旋转270°
           MatchIsTouchscreen "on"
           MatchDevicePath "/dev/input/event*"
           Driver "libinput"
   EndSection
   
   ##########################################################
   ```

``` bash
     # 也可使用 Option "TransformationMatrix" 配置旋转触摸输入
    Option "TransformationMatrix" "0 -1 1 1 0 0 0 0 1" # 90°对应left
    Option "TransformationMatrix" "-1 0 1 0 -1 1 0 0 1" # 180°对应inverted
    Option "TransformationMatrix" "0 1 0 -1 0 1 0 0 1" # 270°对应right
   ```

# 参考文档
[树莓派4B的屏幕旋转和触控旋转](https://blog.csdn.net/t13506920069/article/details/121359178)
[微雪7.9inch HDMI LCD 配置](https://www.waveshare.net/wiki/7.9inch_HDMI_LCD)