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Article1 reply1 comment3,266 followingPosted 30 Aug 2026, 11:18 UTC86.9K views4,962 votes

Using volatile to Guard Hardware Registers in Embedded C

Learn why the volatile qualifier is essential for reliable hardware register access in Embedded C, see a GPIO LED toggle example, and understand the performance trade‑offs of over‑using volatile.

Community & Careers · Blog

embedded-c

embeddedc firmware

Community & Careers

Article0 replies920 followingPosted 31 May 2026, 09:37 UTC119.1K views2,665 votes

Reducing CPU Overhead with DMA on ARM Cortex-M

Learn how to use DMA on ARM Cortex-M microcontrollers to eliminate interrupt storms and reduce CPU overhead during peripheral data transfers.

Community & Careers · Blog

embedded-c

embeddedc microcontroller