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Exploring Coroutines in Embedded Software Development

jmillikin

10mo ago· 18 min readenOpinion

100/100

Golden Brown

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Toasted golden, schmeared with insight. Top of the rack.

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Summary

The article discusses the challenges of using state machines in embedded software development and questions the clarity of control flow. It explores the idea of hacking coroutines into C to improve the expressiveness of control flow.

Key quotes

· 3 pulled

Is this really the clearest way to express control flow?

The state machines in our code worked fine, but understanding and maintaining them was often a headache.

They lacked a linear flow, requiring mental juggling of flags, states, and transitions.

Snippet from the RSS feed

A while ago, I was part of a team developing embedded software. The software was deeply rooted in state machines - dozens of them—spread across multiple functions. While this architecture is common in embedded development, especially for systems without a

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