Learning Integrated Circuits: What is SWD Serial Wire Debugging

Learning Integrated Circuits: What is SWD Serial Wire Debugging

SWD: Serial Wire Debug SWD (Serial Wire Debug) is one of the two debugging ports currently supported by ARM (the other being the JTAG Debug Port). SWD reads and writes the chip’s registers by transmitting data packets, serving as a two-wire protocol for accessing the ARM debugging interface, and is part of the ARM Debug … Read more

The Evolution from JTAG to cJTAG: Advancements in Embedded Debugging Interfaces

The Evolution from JTAG to cJTAG: Advancements in Embedded Debugging Interfaces

In embedded development, there is a crucial yet often overlooked “invisible tool”—the JTAG interface. It is embedded within chips, supporting core operations such as debugging and programming, and developers typically interact with it through IDEs without delving into the underlying details. However, as devices trend towards miniaturization and high integration, the pin and wiring requirements … Read more

Stop Using print()! The Python Logging Library is the Ultimate Debugging Tool

Stop Using print()! The Python Logging Library is the Ultimate Debugging Tool

Hello everyone, today we are going to talk about a tool that can directly save you a few strands of hair—the Python logging library. Do you often find yourself in a situation where: halfway through writing code, the logic gets a bit messy, and you accidentally type the familiar <span>print("debug…")</span>? As a result, the more … Read more

C++ Notes: Debugging Techniques for Visual Studio and VS Code – A Complete Guide to IDE Debuggers

C++ Notes: Debugging Techniques for Visual Studio and VS Code - A Complete Guide to IDE Debuggers

1123123123123 Introduction Debugging is a core skill that every C++ developer must master. Statistics show that developers spend 60% of their time debugging code, and proficient use of IDE debuggers can increase debugging efficiency by over 300%. Whether leveraging the powerful features of Visual Studio or the lightweight flexibility of VS Code, mastering the correct … Read more

Determining Complex Variable Names in C Language

Determining Complex Variable Names in C Language

This is a method taught by one of my instructors during training, which I find very useful and would like to share.“Prioritize parentheses, evaluate from right to left, and from near to far”Prioritize parentheses: Variables are combined with the operator closest to the parentheses first.Evaluate from right to left: Variables first combine with the operator … Read more

Advanced Techniques for C++ Shellcoding

Advanced Techniques for C++ Shellcoding

Previously, I wrote a basic article on shellcoding, detailing the fundamentals of C++ shellcoding. Now, I will complete the advanced section. Without the knowledge from the basic article, understanding the advanced section can be quite difficult. With a foundation in shellcoding, one can gradually implement advanced features. The main purpose of shellcoding is to prevent … Read more

C Language Tutorial and Resources for Beginners

C Language Tutorial and Resources for Beginners

Save all links at the end using your mobile phone!! Saving on a computer may cause issues! Hurry up and save to avoid censorship! The C language is a general-purpose, procedural programming language. It was designed and developed by Dennis Ritchie at Bell Labs in 1972 to facilitate the portability and development of the UNIX … Read more

Rust Compilation Performance Survey: 2025 Results Reveal Developers’ Biggest Pain Points

Rust Compilation Performance Survey: 2025 Results Reveal Developers' Biggest Pain Points

Introduction For Rust developers, compilation speed has always been a major concern. In September of this year, the Rust compiler performance working group released the results of the first Rust compiler performance survey, with over 3,700 developers participating. This report not only reveals the main challenges Rust developers face regarding build performance but also proposes … Read more

Why is PLC Communication Debugging So Challenging? Unraveling the Industrial Neural Network

Why is PLC Communication Debugging So Challenging? Unraveling the Industrial Neural Network

Click to follow and unlock more PLC technical knowledge! Introduction If we compare an automation system to the human nervous system, then PLC communication is undoubtedly the most complex neural network within it. Every engineer who has dealt with PLCs has pondered late at night, staring at the blinking fault indicator: why is communication always … Read more

cdpred: An Amazing Python Library!

cdpred: An Amazing Python Library!

1. Introduction: Turning Your Browser into a Puppet cdpred is like an invisible earpiece, plugged into the back of Chrome, listening to its heartbeat in real-time. With single-page routing, asynchronous interfaces, and lazy loading on scroll, it can deliver JSON notes to you. Make yourself a cup of water, read it in 7 minutes, and … Read more