linux demo for raspberry pi 4
Implemented the framebuffer example for raspberry pi4 with 5inch display and touch screen. There was an bug in the lvgl device driver for touch changed endev_read to return a void.
you can use sudo raspi-config to configure the boot option to 'console automatic logon' and add 'vt.global_cursor_default=0' to /boot/cmdline.txt to get rid of the blinking cursor.
last option is to autostart the lvgl application in /etc/rc.local like su -pi -c yourapp