Embedded Engineering on CodetoCorehttps://codetocore.com/categories/embedded-engineering/Recent content in Embedded Engineering on CodetoCoreHugoen-us2025 CodetoCoreWed, 13 May 2026 06:58:16 +0530Is SysTick Accurate Enough for Microsecond Timing?https://codetocore.com/posts/is-systick-accurate-for-microsecond-timing/Thu, 12 Mar 2026 00:00:00 +0000https://codetocore.com/posts/is-systick-accurate-for-microsecond-timing/Short answer: the counter is. Everything around it usually isn't.Why Does My Code Work in Debug But Break in Release?https://codetocore.com/posts/debug-works-release-breaks/Tue, 23 Sep 2025 00:00:00 +0000https://codetocore.com/posts/debug-works-release-breaks/Short answer: optimization isn't doing the wrong thing. Your code was always wrong — debug builds just happened to hide it.What Actually Happens Before main() Runs?https://codetocore.com/posts/what-happens-before-main-runs/Sat, 03 May 2025 00:00:00 +0000https://codetocore.com/posts/what-happens-before-main-runs/A lot. The CPU walks through six setup stages between power-up and your first line of C — and bugs in any of them look very different from each other.