rpdom wrote:You have a NOOBS installation. You won't be able to see config.txt on a PC. You could access it from your Pi with "sudo nano /boot/config.txt", or you can use the NOOBS Recovery/Config editor - Press the Shift key when prompted during the boot, then go to the config editor and add that line. Save and exit and reboot.
That only works with the official Raspberry Pi Foundation 7" display.
It works on my RPF display. Picture and touch are both rotated with lcd_rotate=2.
Such a feature is available from the dispalys TCON --> many displays have control inputs for rotating/flipping Image --> changing the scan direction.lcd_rotate
This flips the display using the LCD's inbuilt flip functionality, which is a cheaper operation that using the GPU-based rotate operation.
For example, lcd_rotate=2 will compensate for an upside down display.
Full test is here https://www.raspberrypi.org/documentati ... t/video.mddisplay_hdmi_rotate
Use display_hdmi_rotate to rotate or flip the HDMI display orientation. The default value is 0.
0 - no rotation
1 - rotate 90 degrees clockwise
2 - rotate 180 degrees clockwise
3 - rotate 270 degrees clockwise
0x10000 horizontal flip
0x20000 vertical flip
Note that the 90 and 270 degree rotation options require additional memory on the GPU, so these will not work with the 16MB GPU split.
Use display_lcd_rotate to rotate or flip the LCD orientation. Parameters are the same as display_hdmi_rotate.
display_rotate is deprecated in the latest firmware but has been retained for backwards compatibility. Please use display_lcd_rotate and display_hdmi_rotate instead.
Use display_rotate to rotate or flip the screen orientation. Parameters are the same as display_hdmi_rotate.
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