Fixing STM32 DMA Double Buffering Data Corruption
STM32 DMA double buffering is the standard pattern for continuous high-throughput data acquisition…
Embedded Software Technical Articles | embeddedSoft
Fixing STM32 DMA Double Buffering Data Corruption
August 24, 2026
3 min
Fixing UART DMA Overrun Errors on STM32
August 21, 2026
5 min
Fixing FreeRTOS Queue Overrun Data Loss in ISR Contexts
August 19, 2026
4 min
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Cortex-M Cache Maintenance for DMA Coherency![Jithin Tom]()
Cache coherency between CPU and DMA is one of the most subtle sources of data corruption in Cortex-M…
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Fixing Zephyr Devicetree Overlays That Silently Fail![Jithin Tom]()
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August 22, 2026
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Fixing UART DMA Overrun Errors on STM32![Jithin Tom]()
UART DMA overrun errors are a frequent source of data corruption and silent communication failures…
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Managing Vendor SDK Updates Without Breaking Embedded Builds![Jithin Tom]()
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Fixing STM32 DMA Double Buffering Data Corruption![Jithin Tom]()
STM32 DMA double buffering is the standard pattern for continuous high-throughput data acquisition…
August 24, 2026
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The Cortex-M Floating-Point Unit (FPU) is a critical accelerator for DSP, motor control, and sensor…
August 19, 2026
3 min
Cortex-M Cache Maintenance for DMA Coherency![Jithin Tom]()
Cache coherency between CPU and DMA is one of the most subtle sources of data corruption in Cortex-M…
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Link-Time Optimization for Embedded Firmware Size![Jithin Tom]()
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Optimizing Cortex-M Flash Wait States for Performance and Safety![Jithin Tom]()
Flash wait states (access latency) represent one of the most critical hardware configuration…
August 07, 2026
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Reducing Embedded Firmware Size with Linker Garbage Collection![Jithin Tom]()
Firmware size constraints are a daily reality on Cortex-M0/M0+/M3 devices with 32--64 KB flash. The…
July 26, 2026
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Fixing Zephyr Devicetree Overlays That Silently Fail![Jithin Tom]()
When a Zephyr devicetree overlay does not take effect, the build almost never warns you. The merge…
August 25, 2026
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Fixing UART DMA Overrun Errors on STM32![Jithin Tom]()
UART DMA overrun errors are a frequent source of data corruption and silent communication failures…
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Optimizing Cortex-M Tail-Chaining for Sub-Microsecond Latency![Jithin Tom]()
Tail-chaining is one of the most underappreciated latency optimizations in the Cortex-M architecture…
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Cortex-M MPU Configuration for Memory Protection![Jithin Tom]()
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Zephyr BLE Power Optimization for Coin Cell Devices![Jithin Tom]()
Zephyr RTOS provides powerful power management capabilities that enable Bluetooth Low Energy…
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Cortex-M FPU Context Switching: Lazy vs Eager![Jithin Tom]()
FPU context switching on Cortex-M is a subtle but critical design feature that directly impacts…
August 10, 2026
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Fixing FreeRTOS Task Starvation: Priority Boosting & Aging![Jithin Tom]()
FreeRTOS uses a fixed-priority preemptive scheduler. By design, the highest-priority ready task…
August 22, 2026
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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
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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…
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FreeRTOS queue sets solve a specific but common problem: a single consumer task needs to wait for…
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FreeRTOS Critical Sections and Synchronization Primitives![Jithin Tom]()
FreeRTOS critical sections are the most primitive synchronization mechanism in the kernel, yet they…
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Automating Firmware Release Pipelines with GitHub Actions![Jithin Tom]()
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Technical debt in embedded firmware isn't just messy code — it's the HAL layer that couples business…
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The device sits in a cabinet on a factory floor three time zones away. It reset at 3:47 AM. No one…
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Legacy embedded firmware is not simply old code—it is field-proven software that has survived…
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Firmware updates are a critical lifecycle operation for connected and mission-critical embedded…
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