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Mastering Embedded Linux Programming

Mastering Embedded Linux Programming

By : Frank Vasquez, Chris Simmonds
4.6 (23)
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Mastering Embedded Linux Programming

Mastering Embedded Linux Programming

4.6 (23)
By: Frank Vasquez, Chris Simmonds

Overview of this book

If you’re looking for a book that will demystify embedded Linux, then you’ve come to the right place. Mastering Embedded Linux Programming is a fully comprehensive guide that can serve both as means to learn new things or as a handy reference. The first few chapters of this book will break down the fundamental elements that underpin all embedded Linux projects: the toolchain, the bootloader, the kernel, and the root filesystem. After that, you will learn how to create each of these elements from scratch and automate the process using Buildroot and the Yocto Project. As you progress, the book will show you how to implement an effective storage strategy for flash memory chips and install updates to a device remotely once it’s deployed. You’ll also learn about the key aspects of writing code for embedded Linux, such as how to access hardware from apps, the implications of writing multi-threaded code, and techniques to manage memory in an efficient way. The final chapters demonstrate how to debug your code, whether it resides in apps or in the Linux kernel itself. You’ll also cover the different tracers and profilers that are available for Linux so that you can quickly pinpoint any performance bottlenecks in your system. By the end of this Linux book, you’ll be able to create efficient and secure embedded devices using Linux.
Table of Contents (27 chapters)
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1
Section 1: Elements of Embedded Linux
10
Section 2: System Architecture and Design Decisions
18
Section 3: Writing Embedded Applications
22
Section 4: Debugging and Optimizing Performance

Mapping schematics to the device tree's source

Because the BeagleBone Black's Bill Of Materials (BOM), PCB design files, and schematics are all open source, anyone can manufacture a BeagleBone Black as part of their consumer product. Since the BeagleBone Black is intended for development, it contains several components that may not be needed for production, such as an Ethernet cable, a USB port, and a microSD slot. As a dev board, the BeagleBone Black may also be missing one or more peripherals needed for your application such as sensors, an LTE modem, or an OLED display.

The BeagleBone Black is built around Texas Instruments' AM335x, a single core 32-bit ARM Cortex-A8 SoC with dual Programmable Real-Time Units (PRU). There is a more expensive Wireless variant of the BeagleBone Black made by Octavo Systems that swaps out Ethernet with a Wi-Fi and Bluetooth module. The BeagleBone Black Wireless is also open source hardware, but at some point, you may want to design...

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