Chapter 5. Basic Programming Recipes with the Linux Kernel
In this chapter, we will cover the following recipes:
- Kernel application binary interface
- Installing the latest kernel image
- Installing and building a custom kernel
- Interactions with the kernel – sysfs entries and controlling the GPIOs
- Device Tree and its roots
- Device Tree / basic build
- Device Tree / advanced – adding DT overlay to run a custom cape
- Universal cape overlay
- Running a script to check DT usage on GPIO pins