ARM Cortex-M NVIC Interrupt Latency Optimization Techniques
Interrupt latency is the cornerstone metric governing determinism in real-time embedded systems. In…
Embedded Software Technical Articles | embeddedSoft
ARM Cortex-M NVIC Interrupt Latency Optimization Techniques
September 21, 2026
9 min
Fixing Zephyr BMI160 I2C Timeout on STM32
September 20, 2026
5 min
UART Overrun Errors in STM32: Fixing with DMA
September 18, 2026
4 min
Editor's Pick
Debugging Linux Kernel Oops: Using Serial Console and KGDB![Jithin Tom]()
When an embedded Linux system encounters a kernel oops, the console fills with cryptic register…
September 14, 2026
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Fixing Zephyr Build Errors from Missing Device Tree Overlays![Jithin Tom]()
Zephyr build failures due to missing device tree overlays are a common hurdle for firmware…
September 08, 2026
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Fixing FreeRTOS Event Group Timer Queue Overflow in ISR Context![Jithin Tom]()
FreeRTOS event groups are a powerful synchronization primitive for coordinating tasks, allowing a…
September 07, 2026
3 min
Whats New?
ARM Cortex-M NVIC Interrupt Latency Optimization Techniques![Jithin Tom]()
September 21, 2026
9 min
UART Overrun Errors in STM32: Fixing with DMA![Jithin Tom]()
UART -> DMA -> Memory Flow Overview UART overrun errors are a pervasive challenge in embedded serial…
September 18, 2026
4 min
Linker Garbage Collection for Faster STM32 Builds![Jithin Tom]()
When building embedded firmware for STM32 microcontrollers using vendor hardware abstraction layers…
September 16, 2026
5 min
Debugging Intermittent I2C Bus Hangs in Embedded Systems![Jithin Tom]()
When an I2C bus hangs intermittently, the system appears to freeze — sensor reads return garbage…
September 15, 2026
4 min
Debugging Linux Kernel Oops: Using Serial Console and KGDB![Jithin Tom]()
When an embedded Linux system encounters a kernel oops, the console fills with cryptic register…
September 14, 2026
4 min
UART Overrun Errors in STM32: Fixing with DMA![Jithin Tom]()
UART -> DMA -> Memory Flow Overview UART overrun errors are a pervasive challenge in embedded serial…
September 18, 2026
4 min
Software UART for Embedded Debugging: GPIO-Based Serial![Jithin Tom]()
Problem Statement Many embedded systems face a common limitation: insufficient hardware UART ports…
September 11, 2026
4 min
Fixing Slow GPIO Toggling on STM32: Register-Level Optimization![Jithin Tom]()
GPIO Toggling Performance Comparison Approximate toggle cycle times on STM32F4 at 168MHz Root Cause…
September 05, 2026
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Preventing ISR Stack Overflow in Embedded C![Jithin Tom]()
Interrupt Service Routines (ISRs) are critical for real-time embedded systems, but they are also a…
August 31, 2026
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Fixing Cortex-M Hard Fault Handler Stack Corruption![Jithin Tom]()
When a Cortex-M processor encounters a hard fault, the last thing you want is for your fault handler…
August 28, 2026
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AddressSanitizer for Embedded C: Finding Memory Bugs in Firmware![Jithin Tom]()
AddressSanitizer for Embedded C: Finding Memory Bugs in Firmware Memory bugs are among the most…
August 28, 2026
8 min
Fixing Zephyr BMI160 I2C Timeout on STM32![Jithin Tom]()
Architecture & I2C Timeout Debug Flow Problem Statement When integrating the Bosch BMI160 6-axis…
September 20, 2026
5 min
Fixing Zephyr Deep Sleep Backup SRAM Retention on STM32![Jithin Tom]()
When designing battery-powered embedded systems, engineers often face the challenge of preserving…
September 12, 2026
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Accelerating Embedded AI Inference with CMSIS-NN on Cortex-M4![Jithin Tom]()
Embedded AI inference on microcontrollers faces severe resource constraints: limited SRAM (often…
September 06, 2026
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Zephyr thread stack overflow: debugging with runtime monitoring![Jithin Tom]()
Thread stack overflow is a critical issue in real-time operating systems like Zephyr that can lead…
September 01, 2026
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Zephyr MPU Setup for Memory Protection in Embedded Systems![Jithin Tom]()
Zephyr RTOS provides a Memory Protection Unit (MPU) to enforce memory access controls, enhancing…
August 29, 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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ARM Cortex-M NVIC Interrupt Latency Optimization Techniques![Jithin Tom]()
Interrupt latency is the cornerstone metric governing determinism in real-time embedded systems. In…
September 21, 2026
9 min
Debugging Linux Kernel Oops: Using Serial Console and KGDB![Jithin Tom]()
When an embedded Linux system encounters a kernel oops, the console fills with cryptic register…
September 14, 2026
4 min
Fixing FreeRTOS Event Group Timer Queue Overflow in ISR Context![Jithin Tom]()
FreeRTOS event groups are a powerful synchronization primitive for coordinating tasks, allowing a…
September 07, 2026
3 min
STM32 Zephyr Kernel Panic Debugging: Causes and Fixes![Jithin Tom]()
Kernel panics in Zephyr on STM32 microcontrollers can halt your embedded system unexpectedly…
September 02, 2026
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Embedded Linux: Fixing Slow Boot Time![Jithin Tom]()
Introduction Slow boot times in Embedded Linux systems are a common frustration for engineers…
August 30, 2026
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Fixing FreeRTOS Software Timer Callback Overruns![Jithin Tom]()
When a FreeRTOS software timer starts firing late, the instinct is to blame the tick interrupt or…
August 26, 2026
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Linker Garbage Collection for Faster STM32 Builds![Jithin Tom]()
When building embedded firmware for STM32 microcontrollers using vendor hardware abstraction layers…
September 16, 2026
5 min
Debugging Intermittent I2C Bus Hangs in Embedded Systems![Jithin Tom]()
When an I2C bus hangs intermittently, the system appears to freeze — sensor reads return garbage…
September 15, 2026
4 min
Fixing Sporadic Hard Faults in FreeRTOS Heap Allocation![Jithin Tom]()
Sporadic hard faults in embedded systems are notorious for eluding standard test suites and bench…
September 09, 2026
8 min
Fixing Zephyr Build Errors from Missing Device Tree Overlays![Jithin Tom]()
Zephyr build failures due to missing device tree overlays are a common hurdle for firmware…
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Effective Embedded Firmware Code Review Checklist![Jithin Tom]()
Embedded firmware engineers know that sinking feeling when an intermittent race condition, an…
September 03, 2026
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Constexpr Metaprogramming for STM32 Real-Time Performance![Jithin Tom]()
The Problem: Runtime Calculation Overhead in Hard Real-Time Loops Embedded engineers frequently…
August 27, 2026
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