Precision Placement: Using GCC Section Attributes in Embedded C
Learn how to use GCC's __attribute__((section)) and linker scripts to precisely place code and data in specific memory regions to optimize RAM and Flash usage in embedded C.
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embeddedcUsing volatile for Safe Memory‑Mapped I/O Access in Embedded C
Learn how to declare peripheral registers with the volatile qualifier, verify compiler output, and add memory barriers when needed to guarantee correct hardware interaction.
Diagnosing I2C Bus Communication Failures in Embedded C Systems
When an I²C master reports no ACK, the bus may be stuck, mis‑wired, or clocked too fast. This guide walks through the symptoms, common causes, step‑by‑step checks, fixes, and when to involve support.
Using volatile correctly for memory‑mapped registers in Embedded C
Learn why and how to use volatile for memory‑mapped registers in Embedded C, with a concrete LED‑toggle example, trade‑offs, and verification steps.
Stop Using delay(): Mastering Non-blocking Timing in Arduino
Stop freezing your Arduino projects. Learn how to replace blocking delay() calls with millis() to handle multiple tasks like blinking LEDs and reading sensors simultaneously.
Implementing Non-blocking Timing in Arduino with millis()
Learn how to replace the blocking delay() function with millis() in Arduino to enable multitasking and responsive sensor polling.
Reducing Interrupt Latency and Ensuring Memory Safety in Embedded C
Learn how to implement high-performance Interrupt Service Routines (ISRs) in embedded C, focusing on the volatile keyword, atomic access, and the top-half/bottom-half pattern.
Architecting High-Frequency Pulse Counting with Arduino External Interrupts
Learn how to implement high-frequency pulse counting on Arduino using external interrupts, volatile variables, and atomic access to prevent data corruption and pulse loss.
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