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Mastering Embedded Linux Programming - Third Edition

You're reading from  Mastering Embedded Linux Programming - Third Edition

Product type Book
Published in May 2021
Publisher Packt
ISBN-13 9781789530384
Pages 758 pages
Edition 3rd Edition
Languages
Concepts
Authors (2):
Frank Vasquez Frank Vasquez
Profile icon Frank Vasquez
LinkedIn
Frank Vasquez is an independent software consultant specializing in consumer electronics. He has over a decade of experience designing and building embedded Linux systems. During that time, he has shipped numerous devices including a rackmount DSP audio server, a diver-held sonar camcorder, and a consumer IoT hotspot. Before his career as an embedded Linux engineer, Frank was a database kernel developer at IBM where he worked on DB2. He lives in Silicon Valley.
See other products by Frank Vasquez
Chris Simmonds Chris Simmonds
Profile icon Chris Simmonds
LinkedIn
Chris Simmonds is a software consultant and trainer living in southern England. He has almost two decades of experience in designing and building open-source embedded systems. He is the founder and chief consultant at 2net Ltd, which provides professional training and mentoring services in embedded Linux, Linux device drivers, and Android platform development. He has trained engineers at many of the biggest companies in the embedded world, including ARM, Qualcomm, Intel, Ericsson, and General Dynamics. He is a frequent presenter at open source and embedded conferences, including the Embedded Linux Conference and Embedded World.
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Table of Contents (27) Chapters

Preface 1. Section 1: Elements of Embedded Linux
2. Chapter 1: Starting Out 3. Chapter 2: Learning about Toolchains 4. Chapter 3: All about Bootloaders 5. Chapter 4: Configuring and Building the Kernel 6. Chapter 5: Building a Root Filesystem 7. Chapter 6: Selecting a Build System 8. Chapter 7: Developing with Yocto 9. Chapter 8: Yocto Under the Hood 10. Section 2: System Architecture and Design Decisions
11. Chapter 9: Creating a Storage Strategy 12. Chapter 10: Updating Software in the Field 13. Chapter 11: Interfacing with Device Drivers 14. Chapter 12: Prototyping with Breakout Boards 15. Chapter 13: Starting Up – The init Program 16. Chapter 14: Starting with BusyBox runit 17. Chapter 15: Managing Power 18. Section 3: Writing Embedded Applications
19. Chapter 16: Packaging Python 20. Chapter 17: Learning about Processes and Threads 21. Chapter 18: Managing Memory 22. Section 4: Debugging and Optimizing Performance
23. Chapter 19: Debugging with GDB 24. Chapter 20: Profiling and Tracing 25. Chapter 21: Real-Time Programming 26. Other Books You May Enjoy

Chapter 7: Developing with Yocto

Bringing up Linux on unsupported hardware can be a painstaking process. Luckily, Yocto provides Board Support Packages (BSPs) to bootstrap embedded Linux development on popular single-board computers such as the BeagleBone Black and Raspberry Pi 4. Building on top of an existing BSP layer lets us quickly take advantage of complex built-in peripherals such as Bluetooth and Wi-Fi. In this chapter, we will create a custom application layer to do just that.

Next, we will look at the development workflow that's enabled by Yocto's extensible SDK. Modifying software running on a target device usually means swapping out the SD card. Since rebuilding and redeploying full images is too time-consuming, I will show you how to use devtool to quickly automate and iterate over your work. While doing so, you will learn how to save your work in your own layers so that it does not get lost.

Yocto not only builds Linux images but entire Linux distributions...

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Authors (2)

Left arrow icon
Profile icon Frank Vasquez
LinkedIn
Frank Vasquez is an independent software consultant specializing in consumer electronics. He has over a decade of experience designing and building embedded Linux systems. During that time, he has shipped numerous devices including a rackmount DSP audio server, a diver-held sonar camcorder, and a consumer IoT hotspot. Before his career as an embedded Linux engineer, Frank was a database kernel developer at IBM where he worked on DB2. He lives in Silicon Valley.
See other products by Frank Vasquez
Profile icon Chris Simmonds
LinkedIn
Chris Simmonds is a software consultant and trainer living in southern England. He has almost two decades of experience in designing and building open-source embedded systems. He is the founder and chief consultant at 2net Ltd, which provides professional training and mentoring services in embedded Linux, Linux device drivers, and Android platform development. He has trained engineers at many of the biggest companies in the embedded world, including ARM, Qualcomm, Intel, Ericsson, and General Dynamics. He is a frequent presenter at open source and embedded conferences, including the Embedded Linux Conference and Embedded World.
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See other products by Chris Simmonds
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