Embedded Software Development for Safety-Critical Systems, by Chris Hobbs
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Embedded Software Development for Safety-Critical Systems, by Chris Hobbs
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Safety-critical devices, whether medical, automotive, or industrial, are increasingly dependent on the correct operation of sophisticated software. Many standards have appeared in the last decade on how such systems should be designed and built. Developers, who previously only had to know how to program devices for their industry, must now understand remarkably esoteric development practices and be prepared to justify their work to external auditors. Embedded Software Development for Safety-Critical Systems discusses the development of safety-critical systems under the following standards: IEC 61508; ISO 26262; EN 50128; and IEC 62304. It details the advantages and disadvantages of many architectural and design practices recommended in the standards, ranging from replication and diversification, through anomaly detection to the so-called "safety bag" systems.Reviewing the use of open-source components in safety-critical systems, this book has evolved from a course text used by QNX Software Systems for a training module on building embedded software for safety-critical devices, including medical devices, railway systems, industrial systems, and driver assistance devices in cars. Although the book describes open-source tools for the most part, it also provides enough information for you to seek out commercial vendors if that’s the route you decide to pursue. All of the techniques described in this book may be further explored through hundreds of learned articles. In order to provide you with a way in, the author supplies references he has found helpful as a working software developer. Most of these references are available to download for free.
Embedded Software Development for Safety-Critical Systems, by Chris Hobbs- Amazon Sales Rank: #614367 in Books
- Published on: 2015-10-06
- Original language: English
- Number of items: 1
- Dimensions: 9.30" h x .70" w x 6.20" l, 1.45 pounds
- Binding: Hardcover
- 364 pages
Where to Download Embedded Software Development for Safety-Critical Systems, by Chris Hobbs
Most helpful customer reviews
1 of 1 people found the following review helpful. Every software/systems engineer and manager should know this book By Wayne Lobb The author addresses what one might call fully responsible engineering of software-controlled systems, end-to-end, hands-on, with special attention to design verification and all types of testing. Some of the materials are based on his excellent articles in Electronic Design. The book is well-written, direct, practical, and engaging. Among its valuable features: • Complete examples – small yet fully worked out design/code examples and counterexamples that instantly dispel doubt or argument. For example, the simple 2-threaded program in Figure 5.4, referenced many times in the book, proves that software CAN and DOES fail randomly, counter to what many people and standards assume. • Standards guidance – scores of citations in ISO/IEC 14971, 26262, 29119, 61508, 62304 and so forth, e.g. “Table 8 of ISO 26262-6 bans recursion completely” while “paragraph C.2.6.7 of IEC 61508-7” says only that recursion depth must be bounded, as it automatically is in tail recursion (though only with respect to stack size, not iteration count). • Methods guidance – the best short introduction to formal design-validation methods l've seen, including a working example for the SPIN tool. (I personally think Verum’s Dezyne tool is on the right road to bringing these formal methods into mainstream use.) • Languages and tools guidance – many were new to me, e.g. D and RUST languages, KLEE and gcov tools for code coverage, Sparse and Astrée for static analysis, SWIFT for fault injection. • Useful references listed at the end of each chapter – for example, the ACM paper titled “How Amazon Web Services Uses Formal Methods” (Commun. ACM, Jan. 2015) that introduces the phrase “exhaustively testable pseudo-code”. Amazon web services seem far distant from embedded, but key challenges at the module and subsystem level are the same: completeness and correctness of logic that manages states and communications. • Gems – my favorites are Anecdote 5 about confirmation bias, Fallacy 4 about failure probabilities in composite systems, Anecdote 25 about being convinced by KLEE, and being introduced to Laurent Bossavit's "Leprechauns of Software Engineering".The digital version is a facsimile of the print version. I read over half of the book on Google Play, where I was first able to access it, then finished it on Kindle. I found Kindle much easier on the eyes and smoother overall. There are some hard-to-read rotated diagrams, e.g. Figures 12.1 and 15.5.(Context and disclosure: I designed and coded industrial products for 20 years in C/C++/Java/etc on UNIX/Windows/etc, then managed and consulted for 15 years most recently in safety-critical medical devices. I’m not an embedded expert, but I do consider myself expert in how to build reliable software. I have no financial interest in this book or in any tools mentioned in this review. I know the author slightly via a few emails.)
0 of 0 people found the following review helpful. Five Stars By Logan Badia Great practical book for developing safety-critical software.
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