My /boot/cmdline.txt: console=serial0,115200 root=PARTUUID=7c3daeaf-02 rootfstype=ext4 elevator=deadline fsck.repair=yes rootwait silent quiet loglevel=0 consoleblank=1 logo.nologo vt.global_cursor_default=0 splash plymouth.ignore-serial-consoles plymouth.enable-splash When I searched on the web there is a solution for python. Sudo plymouth-set-default-theme -R blank sudo update-alternatives -install /usr/share/plymouth/themes/ymouth ymouth /usr/share/plymouth/themes/blue/ymouth 100 sudo update-initramfs -u sudo reboot I want to make my qt project run while booting raspberry pi3. Ive compiled Qt5.15.0 and set up cross-compiler on my host machine (Ubuntu 20. QTQPAEGLFSPHYSICALHEIGHT170 QTQPAEGLFSPHYSICALWIDTH270 QTQPAEVDEVTOUCHSCREEN. I have declare the following environment variables in order to configure EGLFS. Now this next part is a combo of Google and ChatGPT. Raspberry pi 3 Lilliput OF1011/C/T- 10.1' HDMI touchscreen 1024圆00 My environment: The qt5 is cross compiled with the EGLFS plugin, on Raspbian Stretch Lite image. Then I created /usr/share/plymouth/themes/blue/blue.script: screen_width = Window.GetWidth() īlue = CreateSolidColourLayer(0.0, 0.0, 0.1, 1.0) ScriptFile=/usr/share/plymouth/themes/blue/blue.script

I created /usr/share/plymouth/themes/blue/ymouth: ĭescription=A theme that shows a blue screen

When I disable the QFrame, the application is launched in full-screen by default, whereas I didnt set it. EGLFS: Unable to query screen depth, defaulting to 32. I know the splash screen will appear for a small amount of time between the RPi usual boot logs and the desktop and I've managed to do that at some point and actually see it but right now it's just not showing anything. EGLFS: To override, set QTQPAEGLFSPHYSICALWIDTH and QTQPAEGLFSPHYSICALHEIGHT (in millimeters). Right now, only a blank screen is shown until the desktop appears. Setting up an LCD screen on the Raspberry Pi, 2018 edition Setting up a 3.5' TFT screen was harder than I thought, with many resources being outdated. Cross Compile Qt - Build Qt on the host machine and move these binaries, libraries, and plugins to the Raspberry Pi to support the executable we want to run. I want my Raspberry Pi 4 to show a blue splash when powered up, until the desktop is shown.

Raspberry pi qt full screen problems