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Microkernel OS Explained: Are RTOS Microkernels?
Understand microkernel OS traits, core functions, benefits and drawbacks, and whether embedded RTOSs are microkernel-based.
Two Common Linux Hooking Methods
Learn Linux function hooking with LD_PRELOAD and ptrace: override functions, inject shared libs, and auto-fill scanf input with examples.
Leveraging New DRAM Advancements to Enhance Embedded System Performance
Explore how DDR3 DRAM advancements boost embedded system performance with higher speeds and power efficiency.
What Is an Embedded SoC
Learn what an embedded SoC (System on Chip) is, its hardware-software co-design, and benefits: lower cost, power, latency, and higher performance.
The do{}while(0) idiom in C and C++
Explains the do{}while(0) macro idiom in C/C++, showing how it creates a single compound statement to prevent dangling-else and improve macro maintainability.
Debugging Tools for Xcelium and Questasim
Learn to use the xmhelp and verror utilities to expand brief error messages in Xcelium and Questasim, making debugging faster and more efficient.
Microcontroller I/O Transfer Methods
Overview of microcontroller I/O transfer methods—unconditional, polling, interrupt-driven and DMA—guidance on selection and optimization for embedded developers
Difference Between PLC and Embedded Systems
Comparison of PLCs and embedded systems: definitions, architectures, programming languages, real-time performance, reliability, development effort, and cost.
Key Techniques of ZGC Garbage Collector
Technical analysis of ZGC explaining the load barrier, mark-and-copy cycle, forwarding tables and concurrent algorithms that enable sub-millisecond GC pause times.
Understanding the GSR Signal in Vivado Simulation
Learn about the Global Set/Reset (GSR) signal in Vivado. Understand its critical impact on FPGA timing simulations and proper design initialization.
What Is Base64 and How to Encode/Decode
Learn Base64 encoding: how it converts binary to ASCII, common uses (email, URLs, storage) and a practical Python example.
Common device registration functions in Linux
Linux character device registration guide using register_chrdev_region and alloc_chrdev_region to allocate and register device numbers, add cdev entries, and unregister properly.
Techniques for Developing High-Reliability Embedded Systems
Learn techniques for developing high-reliability embedded systems with robust hardware, software, and error detection methods.
DMA for Embedded Real-Time Task Handling
Learn DMA-based UART transmission on STM32F4: reduce CPU load, speed up packet transfers, with USART/DMA configuration and code examples.
Using GNU C Extensions in C
Guide to designated initialization and statement expressions in GNU C, with array/struct examples and macro patterns using typeof to avoid side effects.
T113-I Watchdog Handover: U-Boot to Kernel within 1.12s
Seamless watchdog handover on Allwinner T113-I: implement U-Boot GPIO feeding and kernel gpio_watchdog in the device tree, with lowered boot loglevel for safe transfer
Nine Common Software Architectures for Microcontrollers
Survey of nine software architecture patterns for microcontroller development with C examples, from linear and modular to event-driven, state-machine and component architectures.
State Machine Design in C: Tips and Strategies
C state machine for embedded systems: O(1) transition table, reentrancy-safe queue and in-transaction flag to handle concurrent inputs.
Embedded ML: Applications and Development Environments
Embedded machine learning overview: constraints, optimization (pruning, quantization), low-power real-time edge deployment, plus common frameworks and development environments.
MD5 File Verification in Linux
Learn how to use md5sum to generate MD5 checksums, verify file contents, save checksums, and batch-compare files to detect changes.