Problem with switching displays



  • Hi all,

    Right now I'm working on a little project. I want to build me a recalbox handheld which I still can connect to a TV or Monitor. Think the Nintendo Switch and you know what I want to do.

    I already bought myself a display (http://wiki.52pi.com/index.php/5-Inch-800x480-Capacitive-Touch-Screen_SKU:_EP-0081) and got it working with the mentioned settings in /boot/config.txt:

    framebuffer_width=800
    framebuffer_height=480
    hdmi_force_hotplug=1
    hdmi_group=2
    hdmi_mode=87
    hdmi_cvt 800 480 60 6 0 0 0

    My problem is that when I now connect the pi with my TV and not the display, I get a black screen after the boot screen. Obviously this is because I forced a resolution and other settings, which my TV can't display.
    So now I'm wondering if there is an easy way to turn off these settings, when I don't use my handheld display?
    Or maybe there is a better way to automatically recognize my handheld display? When I don't use these settings it displays in 640x480 with a big black border on the left.

    Thanks for your help and advice so far.


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