IoT & Hardware
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You're reading from  Embedded Systems Architecture - Second Edition

Product typeBook
Published inJan 2023
PublisherPackt
ISBN-139781803239545
Edition2nd Edition
Concepts
Embedded Systems
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Author (1)
Daniele Lacamera
Daniele Lacamera
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Daniele Lacamera

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 about Daniele Lacamera

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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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Embedded Systems Architecture - Second Edition
Published in: Jan 2023Publisher: PacktISBN-13: 9781803239545
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Daniele Lacamera

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 about Daniele Lacamera

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