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Yocto for Raspberry Pi

You're reading from Yocto for Raspberry Pi Create unique and amazing projects by using the powerful combination of Yocto and Raspberry Pi

Product type Paperback

Published in Jun 2016

Publisher Packt

ISBN-13 9781785281952

Length 214 pages

Edition 1st Edition

Tools

Raspberry Pi

Concepts

Robotics

Authors (2):

TEXIER Pierre-Jean

Petter Mab√§cker

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Table of Contents (13) Chapters

Preface

1. Meeting the Yocto Project FREE CHAPTER

2. Building our First Poky Image for the Raspberry Pi

3. Mastering Baking with Hob and Toaster

4. Understanding BitBake

5. Creating, Developing, and Deploying on the Raspberry Pi

6. Working with External Layers

7. Deploying a Custom Layer on the Raspberry Pi

8. Diving into the Raspberry Pi's Peripherals and Yocto Recipes

9. Making a Media Hub on the Raspberry Pi

10. Playing with an LCD Touchscreen and the Linux Kernel

11. Contributing to the Raspberry Pi BSP Layer

12. Home Automation Project - Booting a Custom Image

Parsing metadata

The first thing BitBake does is parse base configuration metadata (.conf files). Base configuration metadata consists of the bblayers.conf file to determine what layers BitBake needs to recognize, all necessary layer.conf files (one from each layer), and bitbake.conf. The data itself is of various types:

Recipes: These contain details about particular pieces of software.
Class data: This provides an abstraction of common build information (for example, how to build a Linux kernel).
Configuration data: This provides machine-specific settings, policy decisions, and so forth. Configuration data acts as the glue that binds everything together.

The layer.conf files are used to construct key variables such as BBPATH and BBFILES. BBPATH is used to search for configuration and class files under the conf/ and class/ directories, respectively. BBFILES is used to find recipe files (.bb and .bbappend). If there is no bblayers.conf file, it is assumed that the user has set the BBPATH and...

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Authors (2)

Pierre-Jean

Pierre-Jean

Pierre-Jean TEXIER has been an embedded Linux engineer at Amplitude Systèmes (Amplitude Systèmes was a pioneer in the marketing of Ytterbium femtosecond lasers) since 2014 where he maintains a custom system on chip i.MX6 with the Yocto project (meta-fsl-arm), which is made by a French company: EUKREA. He is a graduate of ESTEI school at Bordeaux where he spent 3 years as a student in order to become an embedded Linux Engineer. He is a big ardent of the world of free software and the embedded world. His knowledge background includes C/C++, Yocto, Linux, Bash, Kernel development but he is also open to trying new things and testing new technologies. First, I want to thank my patience wife for her during my writing sessions. I also give thanks my parents and my brother, who without them, this book possibly would not have happened. I would also like to thank all of the mentors that I've had over the years. Mentors such as Cyril SAGONERO, Sylvain LE HENAFF, Pierre BORDELAIS, Vincent POULAILLEAU, Fabrice BONNET, Jean-Claude PERESSINOTTO, Pierre AUBRY. Without learning from these teachers, there is not a chance I could be doing what I do today. To finish I would like to thanks Eric MOTTAY the CEO of Amplitude Systèmes, Luca TESTA the head of Electronics team at Amplitude Systèmes for his trust, Hitesham WOODHOO, Alexandre GAMONET, Kevin PINTO and Guillaume MACHINET For the various discussions about the raspberry pi during coffee breaks.

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Mabäcker

Mabäcker

Petter Mabcker is a senior software developer specializing in embedded Linux systems. For the past 8 years, he has been working with embedded Linux professionally. Currently, Petter works as a Scrum Master and senior software developer at Ericsson AB. Additionally, his knowledge includes C/C++, shell scripting, Yocto Project (including BitBake and OpenEmbedded), Scrum, and Git. In 2013, Petter started the small business Technux, which he runs as a side project in parallel with his duties at Ericsson. Some of the focus areas of the business are open source embedded Linux projects, such as the Yocto Project, together with different projects that involve the Raspberry Pi. As part of the work with Technux, Petter works as a contributer to the Yocto Project (including the Raspberry Pi BSP layer, known as meta-raspberrypi).

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