421: Paint the Iceberg Yellow
Embedded21 Jul 2022

421: Paint the Iceberg Yellow

Chris Hobbs talks with Elecia about safety critical systems. Safety-critical systems keep humans alive. Writing software for these embedded systems carries a heavy responsibility. Engineers need to understand how to make code fail safely and how to reduce risks through good design and careful development.

The book discussed was Embedded Software Development for Safety-Critical Systems by Chris Hobbs.

This discussion was originally for Classpert (where Elecia is teaching her Making Embedded Systems course) and the video is on Classpert's YouTube if you want to see faces.

There were many terms with letters and numbers, here is a guide:

  • IEC 61508: Functional Safety of Electrical/Electronic/Programmable Electronic Safety-related Systems; relates to industrial systems and forms the foundation for many other standards

  • ISO 26262: Road vehicles - Functional Safety; extends and specializes IEC 61508 for systems within cards

  • IEC 62304 specifies life cycle requirements for the development of medical software and software within medical devices. It has been adopted as national standards and therefore can be used as a benchmark to comply with regulatory requirements.

  • MISRA C: a set of software development guidelines for the C programming language

  • DO178-C and DO178-B: Software Considerations in Airborne Systems and Equipment Certification are the primary documents by which the certification authorities such as FAA, EASA and Transport Canada approve all commercial software-based aerospace systems

  • ISO/IEC 29119: Software and systems engineering -- Software testing

  • ISO 14971:2019 Medical devices — Application of risk management to medical devices

  • IEC 62304:2006 Medical device software — Software life cycle processes

Transcript

Episoder(567)

488: Two Slices of Complimentary Bread

488: Two Slices of Complimentary Bread

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31 Okt 20241h 10min

487: Focus on Fizzing

487: Focus on Fizzing

Chris and Elecia chat about simulated robots, portents in the sky, the futility of making plans, and grad school. A problem with mics led us to delay the show with Shimon Schoken from Nand2Tetris (co...

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486: A Nice Rainbow Dream

486: A Nice Rainbow Dream

Antoine van Gelder spoke to us about making digital musical instruments, USB, and FPGAs. Antoine works for Great Scott Gadgets, specifically on the Cynthion USB protocol analysis tool that can be use...

3 Okt 202454min

485: Conversation Is a Kind of Music

485: Conversation Is a Kind of Music

Alan Blackwell spoke with us about the lurking dangers of large language models, the magical nature of artificial intelligence, and the future of interacting with computers. Alan is the author of Mo...

20 Sep 20241h 17min

484: Collecting My Unhelpful Badge

484: Collecting My Unhelpful Badge

Chris and Elecia talk to each other about setting aside memory in a linker file, printing using your debugger, looking around a new code base, pointers as optimization, choosing processors, skill tree...

5 Sep 20241h 2min

483: An Ion of the Highest Fidelity

483: An Ion of the Highest Fidelity

Rick Altherr spoke with us about high-speed control, complicated systems, and making quantum computers. If you want to know more about building quantum computers, take a listen to Rick's MacroFab epis...

23 Aug 20241h 1min

482: Reference the Same Dog Object

482: Reference the Same Dog Object

Professor Colleen Lewis joined us to talk teaching pointers with stuffies, explaining inheritance through tigers, and computer science pedagogy. Check out her YouTube channel to view her videos explai...

8 Aug 20241h 5min

481: The Girl from Evel Knievel

481: The Girl from Evel Knievel

Chris and Elecia talk about their current adventures in conference talks, play dates, and skunks. Elecia's talks are available on YouTube: Creating Chaos and Hard Faults: An introduction to hard fa...

25 Jul 20241h 2min

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