421: Paint the Iceberg Yellow
Embedded21 Heinä 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

Jaksot(567)

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406: R2D2 Is a Trash Can

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Jorvon Moss (Odd Jayy) joined us to talk about making robots, steampunk aesthetics, uploading consciousness to AIs, and the importance of drawing. You can find Jay on Twitter (@Odd_Jayy) and Instagram...

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405: Bacta Tank for Your Brain

405: Bacta Tank for Your Brain

Chris and Elecia talk about burnout, a SPI + RTOS bug, newsletters, receiving feedback, Elecia's class, and listener projects. Elecia's Making Embedded Systems course on Classpert is starting a new co...

11 Maalis 202251min

404: Uppercase A, Lowercase R M

404: Uppercase A, Lowercase R M

Reinhard Keil joined us to talk about creating the Keil compiler, the 8051 processor, Arm's CMSIS, and the new cloud-based Keil Studio IDE. MDK-Community is a new free-for-non-commercial use, not-cod...

4 Maalis 20221h 2min

403: Engineers Are a Difficult People

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Shawn Hymel spoke to us about creating education videos and written tutorials; marketing by and for engineers; and bowties. You can find Shawn teaching FPGAs, RTOSs and other interesting topics on Di...

25 Helmi 20221h 13min

402: We Are a Lazy Species

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Chris Svec of iRobot and Phillip Johnston of Embedded Artistry join Christopher and Elecia to talk about the hows and whys of estimating software schedules.. The article that started the discussion wa...

18 Helmi 20221h 27min

278: Bricks' Batteries Last Forever (Repeat)

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Matthew Liberty shared good advice for lowering power. We talk about different ways to measure current (Matt has a nice write-up) and things software can do to decrease power consumption. Sleeping is ...

11 Helmi 20221h 6min

401: Oil and Water

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Miro Samek joins us to discuss designing systems, state machines, and teaching courses. Miro's company is Quantum Leaps (state-machine.com) which provides commercial licensing for QP Real-Time Embedde...

4 Helmi 20221h 9min

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