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viktorgino / headunit-desktop

HeadUnit Desktop is a car PC software built with Qt 5 and QML
https://github.com/viktorgino/headunit-desktop/wiki
GNU General Public License v3.0
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Compatible screen #16

Closed MrNHQ closed 5 years ago

MrNHQ commented 6 years ago

Hello,

I would like to try to put your project in my car. I dowloaded your image and tested it on my TV and an old VGA screen, both were working fine.

Then I tried on a 3,5 inch TFT screen (connected with gpio pins). using the xinit I got an error Fatal server error: (EE) no screen found(EE) and using QT_QPA_PLATFORM=eglfs /opt/headunit-desktop/headunit-app I got: QXcbConnection: Could not connect to display I also read the question about the official 7' inch screen not yet compatible. Would you know how I can use these screens? or which screens can I use?

viktorgino commented 6 years ago

@MrNHQ Should be working with most displays, I'll double check it on my Pi setup in the next couple of days to make sure everything is as it should be.

viktorgino commented 6 years ago

To get it working with the Pi screen you need to edit /boot/config.txt and change dtoverlay=vc4-kms-v3d to dtoverlay=vc4-fkms-v3d and add lcd_rotate=2

Headunit should work with QT_QPA_PLATFORM=eglfs /opt/headunit-desktop/headunit-app only without xinit or sudo.

joshsoucie commented 6 years ago

Getting this setup now similarly with a 3.5in backpack lcd

Hardware: Raspi 3b 3.5in lcd from waveshare

Using xinit, I got the same error:

Fatal server error: (EE) no screen found(EE)

And on running QT_QPA_PLATFORM=eglfs [loc of headunit-app], received the error:

Could not find DRM device!

Thoughts?

Looks like this guy rebuilt everything but I'd rather not...-___-