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Pre-Emptive Multi-Tasking on Arm Cortex-M

JP's Website Pre-emptive Multi-Tasking on Arm Cortex-M Posted on 2025-09-28 Contents - Background - C-language RTOSes - Rust-language RTOSes - But what is an RTOS? - Arm Cortex-M - Writing an RTOS in Rust - An example - Conclusions Background I write a lot of embedded software in Rust these days - sometimes for fun, and sometimes as training material, and sometimes for customers building safety-critical systems. This last group are usually already writing safety-critical software in C, and wish to switch to writing Rust.

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