Inline Functions vs Macros in Embedded C
In embedded systems programming with C, efficiency, memory constraints, and predictable behavior are often more critical than in general-purpose computing. Developers working close to the metal must not only write correct code but also understand how their code translates to machine instructions.
Among the fundamental tools for code abstraction and reuse are macros and inline functions—both of which can help reduce function call overhead and increase performance.
This article explores the distinctions, benefits, and caveats of each approach in the context of embedded C programming.
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