The post details how to write GUI applications on a Raspberry Pi without using a desktop environment. It covers the setup of framebuffers, configuring resolutions for different screens, using ioctl system calls, and accessing framebuffers without root permissions. The use of Raylib for hardware-accelerated GUI development and managing permissions for input devices is also discussed. It provides practical examples and code snippets to help accomplish these tasks.
Table of contents
Set up framebuffersDisplaying graphics via the framebufferMirroring one framebuffer onto anotherUsing RaylibConfigure the touchscreenSort: