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Embedded Systems Architecture - Second Edition

You're reading from  Embedded Systems Architecture - Second Edition

Product type Book
Published in Jan 2023
Publisher Packt
ISBN-13 9781803239545
Pages 342 pages
Edition 2nd Edition
Languages
Concepts
Author (1):
Daniele Lacamera Daniele Lacamera
Profile icon Daniele Lacamera
LinkedIn
Daniele Lacamera is a software technologist and researcher with vast experience in software design and development on embedded systems for different industries, currently working as freelance software developer and trainer. He is a worldwide expert in TCP/IP and transport protocol design and optimization, with more than 20 academic publications on the topic. He supports free software by contributing to several projects, including the Linux kernel, and his involvement within a number of communities and organizations that promote the use of free and open source software in the IoT.
See other products by Daniele Lacamera

Table of Contents (18) Chapters

Preface 1. Part 1 – Introduction to Embedded Systems Development
2. Chapter 1: Embedded Systems – A Pragmatic Approach 3. Chapter 2: Work Environment and Workflow Optimization 4. Part 2 – Core System Architecture
5. Chapter 3: Architectural Patterns 6. Chapter 4: The Boot-Up Procedure 7. Chapter 5: Memory Management 8. Part 3 – Device Drivers and Communication Interfaces
9. Chapter 6: General-Purpose Peripherals 10. Chapter 7: Local Bus Interfaces 11. Chapter 8: Power Management and Energy Saving 12. Chapter 9: Distributed Systems and IoT Architecture 13. Part 4 – Multithreading
14. Chapter 10: Parallel Tasks and Scheduling 15. Chapter 11: Trusted Execution Environment 16. Index 17. Other Books You May Enjoy

Multiple boot stages

Booting a target through a bootloader is useful in several cases. In a real-life scenario, being able to update the running software on devices in a remote location means that developers are able to fix bugs and introduce new features after the first version of the embedded system has been deployed.

This represents a huge advantage for maintenance when a bug is discovered in the field, or when the software has to be re-engineered to adapt to changes in requirements. Bootloaders may implement automatic remote upgrades and other useful features, such as the following:

  • Loading of the application image from an external storage
  • Verification of the integrity of the application image before boot
  • Failover mechanisms in case of a corrupted application

Multiple bootloaders can be chained to perform a multiple-stage boot sequence. This allows you to have separate software images for the multiple boot stages, which can be uploaded to the flash independently...

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Authors (1)

Profile icon Daniele Lacamera
LinkedIn
Daniele Lacamera is a software technologist and researcher with vast experience in software design and development on embedded systems for different industries, currently working as freelance software developer and trainer. He is a worldwide expert in TCP/IP and transport protocol design and optimization, with more than 20 academic publications on the topic. He supports free software by contributing to several projects, including the Linux kernel, and his involvement within a number of communities and organizations that promote the use of free and open source software in the IoT.
Read more
See other products by Daniele Lacamera

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