STM32H7: DMA Double-Buffering Mistake That Looked Like SPI Drift
A week of false leads ended in one NVIC priority inversion and a lesson about completion interrupts I won't forget.
A week of false leads ended in one NVIC priority inversion and a lesson about completion interrupts I won't forget.
Overview
This note is part of the field-notes archive generated for this site. The summary below is the published excerpt; you can expand the full write-up anytime in the CMS.
Series
Part of MCU War Stories (installment 7).
Related notes
Tags
- stm32
- dma
- spi
- debugging
- nvic
Manish Bookreader
Electronics enthusiast, Embedded Systems Expert, Linux/Networking programmer, and Software Engineer passionate about AI, electronics, books, and cooking.