Book Image

Embedded Linux Development using Yocto Projects - Second Edition

By : Otavio Salvador, Daiane Angolini
Book Image

Embedded Linux Development using Yocto Projects - Second Edition

By: Otavio Salvador, Daiane Angolini

Overview of this book

Yocto Project is turning out to be the best integration framework for creating reliable embedded Linux projects. It has the edge over other frameworks because of its features such as less development time and improved reliability and robustness. Embedded Linux Development using Yocto Project starts with an in-depth explanation of all Yocto Project tools, to help you perform different Linux-based tasks. The book then moves on to in-depth explanations of Poky and BitBake. It also includes some practical use cases for building a Linux subsystem project using Yocto Project tools available for embedded Linux. The book also covers topics such as SDK, recipetool, and others. By the end of the book, you will have learned how to generate and run an image for real hardware boards and will have gained hands-on experience at building efficient Linux systems using Yocto Project.
Table of Contents (22 chapters)
Title Page
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
7
Diving into BitBake Metadata
Index

Working with the Poky SDK


Usually, the standard Poky workflow includes creating package recipes and images, and deciding what will be installed on the final product image. However, a huge amount of time is spent developing, writing, testing, or adapting source code for our application.

When we write and test our application, we only care about the application itself, providing the libraries that the application requires before application development, although this can be an iterative process. However, we want a test environment that looks as similar as possible to the final one, mainly because of toolchain compatibility but also to avoid behavioral changes when we integrate the application into our product.

To help with this task, we can create a toolchain to be used externally with the Poky environment. Poky generates an SDK package that can be installed on any computer, regardless of whether Poky is installed on it. In addition, the installed toolchain is compatible with the internal one...