At what point would you consider using an RTOS?

This page summarizes the projects mentioned and recommended in the original post on /r/embedded

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  • Super-Simple-Tasker

    Event-driven, preemptive, priority-based, hardware RTOS for ARM Cortex-M.

  • Lately I have been working with interrupt driven task frameworks on ARM Cortex-M. Basically they are using the ARM NVIC as a task scheduler. Examples for C/C++ include this one: Super Simple Tasker. For Rust there is RTIC. Both are based on similar ideas of using NVIC as scheduling engine. Very efficient resource-wise but use a somewhat different programming paradigm than traditional RTOS threads.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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