SDMMC on Hoa Nguyen — Embedded Software Architecthttps://hoanguyen.de/tags/sdmmc/Recent content in SDMMC on Hoa Nguyen — Embedded Software ArchitectHugoen-usSat, 25 Jul 2026 00:00:00 +0000A microSD Active Object with QP/C and USDHC1 — and the Card-Detect Line That Liedhttps://hoanguyen.de/posts/microsd-active-object-qpc-usdhc1/Sat, 25 Jul 2026 00:00:00 +0000https://hoanguyen.de/posts/microsd-active-object-qpc-usdhc1/Building an SdCard active object on the i.MX RT1062: hardware card detect, the blocking-API problem that forces a worker task, and the coupled CD line that made detection fail unpredictably until I stopped trusting the interrupt.