System wide rotation settings#

For your setup it might be needed to rotate the screen, for this purpose SimpleCore™ based distributions do offer a setting in

/boot/branding

Tip

The file(s) can be as well created on a Windows PC, by inserting the SD-Card/USB Stick and creating the files on an available partition called boot, which is FAT formatted and can be edited from Windows.

Do not forget to properly unmount the SD-Card or USB Stick.

Set rotation of weston desktop and splash screen at runtime#

  • No rotation
  • 90° counter clockwise rotation
  • 180° counter clockwise rotation
  • 270° counter clockwise rotation
    $ echo "ROTATION=0" > /boot/branding

    $ echo "ROTATION=90" > /boot/branding

    $ echo "ROTATION=180" > /boot/branding

    $ echo "ROTATION=270" > /boot/branding

Setting the rotation of a specific display#

To enable a rotation for a specific display in weston only. You can suffix the ROTATION setting by the display name.

The display specific settings have precedence over the general ROTATION setting.

Caution

- characters in the display need to be replaced by _.

e.g. LVDS-1 becomes LVDS_1 and HDMI-A-1 becomes HDMI_A_1

  • No rotation LVDS-1
  • 90° counter clockwise rotation LVDS-1
  • 180° counter clockwise rotation LVDS-1
  • 270° counter clockwise rotation LVDS-1
    $ echo "ROTATION_LVDS_1=0" > /boot/branding

    $ echo "ROTATION_LVDS_1=90" > /boot/branding

    $ echo "ROTATION_LVDS_1=180" > /boot/branding

    $ echo "ROTATION_LVDS_1=270" > /boot/branding

Set rotation of kernel console at runtime (iMX8)#

  • No rotation
  • 90° counter clockwise rotation
  • 180° counter clockwise rotation
  • 270° counter clockwise rotation
    $ echo 'optargs=${optargs} fbcon=rotate:0' >> /boot/uEnv.txt

    $ echo 'optargs=${optargs} fbcon=rotate:3' >> /boot/uEnv.txt

    $ echo 'optargs=${optargs} fbcon=rotate:2' >> /boot/uEnv.txt

    $ echo 'optargs=${optargs} fbcon=rotate:1' >> /boot/uEnv.txt

Set rotation of kernel console at runtime (Intel/qemu)#

Todo

Section still needs to be written

Set rotation from a Yocto build#

In your local.conf or in your custom distribution set

  • No rotation
  • 90° counter clockwise rotation
  • 180° counter clockwise rotation
  • 270° counter clockwise rotation
    LOGO_ROTATION="0"

    LOGO_ROTATION="90"

    LOGO_ROTATION="180"

    LOGO_ROTATION="270"

See also