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Embedded Linux Development Using Yocto Project

Embedded Linux Development Using Yocto Project

By : Otavio Salvador, Angolini
5 (9)
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Embedded Linux Development Using Yocto Project

Embedded Linux Development Using Yocto Project

5 (9)
By: Otavio Salvador, Angolini

Overview of this book

The Yocto Project is the industry standard for developing dependable embedded Linux projects. It stands out from other frameworks by offering time-efficient development with enhanced reliability and robustness. With Embedded Linux Development Using Yocto Project, you’ll acquire an understanding of Yocto Project tools, helping you perform different Linux-based tasks. You’ll gain a deep understanding of Poky and BitBake, explore practical use cases for building a Linux subsystem project, employ Yocto Project tools available for embedded Linux, and uncover the secrets of SDK, recipe tool, and others. This new edition is aligned with the latest long-term support release of the aforementioned technologies and introduces two new chapters, covering optimal emulation in QEMU for faster product development and best practices. By the end of this book, you’ll be well-equipped to generate and run an image for real hardware boards. You’ll gain hands-on experience in building efficient Linux systems using the Yocto Project.
Table of Contents (20 chapters)
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Making a new layer

Before creating our layer, it’s always a good idea to check whether a similar one is already available at the following website: http://layers.openembedded.org.

If we are still looking for a layer suitable for our needs, the next step is to create the directory. Usually, the layer name starts with meta-, but this is not a technical restriction.

The <layer>/conf/layer.conf file is the layer configuration file required for every layer. The new layer can be created with a tool called bitbake-layers from BitBake, provided in Poky, as shown in the following command:

Figure 12.1 – Creating a new layer using bitbake-layers

Figure 12.1 – Creating a new layer using bitbake-layers

After creating the layer, we need to include it in the build/conf/bblayers.conf file using the following command:

Figure 12.2 – Adding meta-newlayer to build/conf/bblayers.conf

Figure 12.2 – Adding meta-newlayer to build/conf/bblayers.conf

Tip

The bitbake-layers tool, by default, generates the layer with layer priority...

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