Fixing FreeRTOS Queue Overrun Data Loss in ISR Contexts![Jithin Tom]()
Queue overrun in FreeRTOS ISRs is a silent killer. The ISR fires, calls xQueueSendFromISR , the…
August 19, 2026
4 min
Embedded OS 41
An Embedded OS orchestrates execution of applications on an embedded device reliably. Discover articles about RTOS, task management, and system resources.
Zephyr PM Subsystem: Deep Sleep, Device Runtime PM, and Policy-Driven Power Control![Jithin Tom]()
Zephyr's Power Management (PM) subsystem is not a single feature — it's a layered architecture…
August 17, 2026
3 min
FreeRTOS Queue Sets: Multi-Source Event Handling![Jithin Tom]()
FreeRTOS queue sets solve a specific but common problem: a single consumer task needs to wait for…
August 13, 2026
3 min
FreeRTOS SMP: Multi-Core Task Affinity & Load Balancing![Jithin Tom]()
FreeRTOS SMP extends the single-core scheduler to multiple identical cores sharing memory. The…
July 30, 2026
2 min
FreeRTOS Critical Sections and Synchronization Primitives![Jithin Tom]()
FreeRTOS critical sections are the most primitive synchronization mechanism in the kernel, yet they…
July 29, 2026
2 min
FreeRTOS Heap Implementations Compared: Heap_1 to Heap_5![Jithin Tom]()
Dynamic memory allocation in bare-metal and RTOS-based firmware remains a polarizing topic. Safety…
July 14, 2026
5 min
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