- by Jonathan Moore
- Wednesday, June 12, 2024
- Functional Safety
Have we reached peak C?
The C programming language has undoubtably extremely successful. It consistently ranks highly in the various rankings of most popular programming languages however these studies seem to be measured. C is not a language that is naturally suited to having safety requirements given to it. So, unsuited is it to…
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- by Jeff Davis
- Thursday, January 30, 2020
- Functional Safety
ISO 26262 Independence and Related Terms
The “ISO 26262 Road vehicles – Functional safety” specification defines the concepts of “Independence”, “Interference” and other terms which can be a little confusing. This discussion will try to make the concepts clearer.
Independence
Let’s talk about “Independence” and associated concepts first. “Independence” is a concept used within Dependent…
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- by Jonathan Moore
- Thursday, August 29, 2019
- Functional Safety
Let’s Talk About Configuration Management and ISO 26262
Most software developers are familiar with the need for and benefits of change control. Usually change control means one thing to a software developer and that is 'commits' to a source code revision control system. Not only do small and regular commits provide significant advantages to large teams of…
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- by Jonathan Moore
- Wednesday, May 02, 2018
- Functional Safety
MISRA Compliance Static Analysis Results for a Real-world Automotive Project
Splint is offering to present a “special reward” to the “first person to produce a real program that produces no errors with strict checking.” Here’s a summary of a recent real-world automotive project attempting this.
TL;DR: We were not successful, but we learned a few things about MISRA compliance. Feel free to skip to the Observations section to learn more.
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- by Jonathan Moore
- Thursday, June 23, 2022
- Functional Safety
What ASIL is a software tool?
TL;DR Tools used in developing safety related automotive systems do not receive an ASIL. Some tools and the way they are used may not be suitable for the development of automotive safety electronics and this depends on the ASIL. When a tool vendor mentions an ASIL they might be…
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