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ac6 >> ac6-training >> Operating Systems >> Linux >> Yocto Project Expert

Y2 Yocto Project Expert

Advanced Yocto Project usage and adaptation

Objectives

Using and customizing Yocto
Creating Yocto-based Embedded Linux platforms
Using Yocto to develop components
Building out of tree modules
Setup Source cache

	We use a recent Yocto version
	Labs are conducted on qemu or on target boards, that can be:
	Dual Cortex/A7-based "STM32MP15-DISCO" boards from STMicroelectronics.
	Quad Cortex/A9-based "SabreLite" boards from NXP.
	Quad Cortex/A53-based "imx8q-evk" boards from NXP.

Prerequisite

Good C programming skills
Knowledge of Linux Embedded systems (see our D1 - Embedded Linux with Buildroot and Yocto course)
Knowledge of Yocto Project Development (see our Y1 - Yocto Project Development course)
Preferably knowledge of Linux user programming (see our D0 - Linux user mode programming course)

Course environment

Printed course material (in English)
One Linux PC for two trainees.
One target platform for two trainees

First Day

Development process using the extensible SDK and devtool

Using devtool to create a package and its recipe
Using devtool to modify an existing package and recipe
Using devtool to update a recipe to build a new version of a package

Exercise:

Create, test and modify a recipe for an existing package using devtool

Develop and debug applications using SDK and eclipse

Adding eclipse remote debug packages
Configuring eclipse

Exercise:

Create remote debugging session using eclipse

Writing tasks in python

Introduction to python
Using python in Yocto

The main bitbake classes
Defining variable values in Python
Writing tasks in Python

Exercise:

Writing a task and customizing a recipe in Python

Porting Yocto

Porting Yocto to a new board
BSP architecture

Selecting and configuring u-boot recipe
Selecting and configuring kernel recipe

Adding a new BSP layer (yocto-bsp create)

Exercise:

Creating a new BSP layer

Second Day

BSP Development

Adding a custom u-boot to Yocto
Customizing the Yocto kernel recipe

Setting the default configuration
Adding patches
Specifying the kernel sources

Configuring Linux Kernel

Using menuconfig
Using patches
Creating Configuration Fragments
Validating Configuration

Kernel device tree

Exercise:	Create u-boot and kernel recipes to use custom versions, test the result
Exercise:	Patch kernel and activate new options using a fragment
Exercise:	Create and use a new device tree

Out-of-Tree Modules

Adding modules to image
Creating an out-of-tree module
Kernel modules with eSDK

Exercise:

Build and test modules

Tailoring the build system

Setting up a Yocto source cache

Local, per system, cache setup
Setting up a global, network wide, cache

Customizing the build system

Using a prebuilt toolchain
Using a pre-compiled kernel

Optimizing Yocto build times

Using prebuilt, binary, packages
Using shared compilation caches

Exercise:	Setting up a global source cache
Exercise:	Setting up an optimized build environment and rebuilding an image

This course, designed for face-to-face delivery, can be provided either in our Paris training center or, worldwide, on your premises.

Scheduled classes are confirmed as soon as there is two confirmed bookings.

A version tailored for live online delivery is available under reference oY12 - Comprehensive Yocto Project Usage

To book a training session or for more information, please contact us on info@ac6-training.com.

Registrations are accepted till one week before the start date for scheduled classes. For late registrations, please consult us.

You can also fill and send us the registration form

Last update of course schedule: 3 October 2022

Booking one of our trainings is subject to our General Terms of Sales

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