Blog - Page 3 of 36 - Embedded Artistry

7 April 202313 March 2024

Dealing With Duplicated Files in a Monorepo

I interrupted my monorepo migration effort to wrap up a client project. Now I'm back in action. At this point, I have all the projects merged (with signed commits preserved). The next stage of work involves adjusting the build setup to support: A top-level monorepo build that integrates and builds all the subprojects Building individual …

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2 March 20237 June 2023

Over-the-Air Updates and Fleet Management at Scale

Embedded Artistry and Memfault are joining forces to host a quarterly embedded discussion panel that is focused on the technical aspects of building embedded systems at scale. We will be featuring guest panel members who are at the cutting edge of embedded development. Our goal is to spread beneficial techniques and practices throughout the industry. …

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1 March 20231 March 2023

Configuring a Linker Script for Accurate Linker Memory Usage Reporting

"" Note TLDR: if you want the output of -Wl,--print-memory-usage to account for the contents of .data (or any other block) in multiple sections, such as FLASH and RAM, you need to use the pattern .data : { ... } > RAM AT > FLASH for accurate reporting. The pattern of .data: AT(some_location) { ... …

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14 February 202314 February 2023

Saving 10 Minutes on Documentation Wasted Hours of My Client’s Time

A recent experience drove this point home for me: insufficient documentation wastes everyone's time. In Adding Delimiters Between String Elements in C++, I described the creation of a "convenience function" that would simplify the use of a logger in a client project. When I made that change in the client's code base, I added the …

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30 January 202327 January 2023

Does Everything Belong in a Monorepo?

The implication to the name monorepo is that there exists just one - everything is contained within it. But in Getting Rid of Old Code, I mentioned that 45 repositories would make it into the monorepo. This means 15 repositories did not make the cut. If we're aiming for a monorepo, why were these repositories …

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27 January 202327 January 2023

Getting Rid of Old Code

In my post on developing in a monorepo and splitting it up again for distribution, I referenced the Field Atlas entry "Software is a cost, not an asset". Dr. Samek made a comment on that entry, which I will repeat here: I'm so glad to see this point of view. For years we've been told …

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26 January 202327 January 2023

Dealing with Signed Commits When Creating and Splitting a Monorepo

A major roadblock on the way to the goal of developing in a monorepo and distributing to standalone repositories arose with signed commits. This article logs the problems I faced, options for addressing the issue, and my thoughts on the matter. This is still an open investigation, and I am logging my ideas and results. …

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25 January 202327 January 2023

An Experiment: Develop in a Monorepo and Distribute to Standalone Repositories

I am ideologically aligned with distributing code in repositories that serve a single purpose. As a software consumer, I think that smaller, single purpose repositories and components are more approachable and easier to use. Of course, every decision comes with its tradeoffs, and this one has caused us significant pain. The overhead in developing and …

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19 January 202320 January 2023

Adding Delimiters Between String Elements in C++

A system I'm working on involves collecting data and logging it to an SD card in a CSV-like file format. Each line is formatted with a start-of-line character (STX) and an end-of-line character (ETX), and fields within the message are separated by delimiting character (DELIMITER, in this case, ). Formatted log lines are being manually …

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5 December 20221 December 2022

Looking Ahead to 2023

2022 has been a busy year for Embedded Artistry. We completed version one of Designing Embedded Software for Change, grew our membership program (37 countries represented!), launched a well-received quarterly discussion panel with the Memfault team, took on our first intern, and consulted with clients around the world. There's more work to do before we …

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