Skip to Main Content
Mastering Embedded Linux Programming - Third Edition
book

Mastering Embedded Linux Programming - Third Edition

by Frank Vasquez, Chris Simmonds
May 2021
Intermediate to advanced content levelIntermediate to advanced
758 pages
16h 17m
English
Packt Publishing
Content preview from Mastering Embedded Linux Programming - Third Edition

Chapter 11: Interfacing with Device Drivers

Kernel device drivers are the mechanism through which the underlying hardware is exposed to the rest of the system. As a developer of embedded systems, you need to know how these device drivers fit into the overall architecture and how to access them from user space programs. Your system will probably have some novel pieces of hardware, and you will have to work out a way of accessing them. In many cases, you will find that there are device drivers provided for you, and you can achieve everything you want without writing any kernel code. For example, you can manipulate GPIO pins and LEDs using files in sysfs, and there are libraries you can use to access serial buses, including SPI (Serial Peripheral ...

Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

Mastering Embedded Linux Programming - Second Edition

Mastering Embedded Linux Programming - Second Edition

Chris Simmonds
Understanding the Linux Kernel, 3rd Edition

Understanding the Linux Kernel, 3rd Edition

Daniel P. Bovet, Marco Cesati

Publisher Resources

ISBN: 9781789530384Supplemental Content