1. C++’s Dominance in Driver Development In the field of printer driver development, C++ is undoubtedly the “main force.” Its high performance allows printing tasks to be processed swiftly, even when faced with complex text and image layouts or high-resolution image printing, it can easily handle the task and quickly transmit data to the printer, … Read more
Linux kernel source: include/linux/usb.h Linux kernel source: drivers/hid/usbhid/usbmouse.c 1. BUS/DEV/DRV Model “USB Interface” is a logical USB device, and the usb_driver driver written supports the “USB interface”: After the USB controller or Hub recognizes the USB device, it will create and register usb_device Once usb_device is claimed by the driver in “drivers/usb/core/generic.c”, it will select … Read more
In embedded system development, developing device drivers is a crucial task. As a bridge connecting hardware and software, the quality of device drivers directly impacts the correctness of system functionality and operational stability. In the rapidly evolving open-source ecosystem, Zephyr RTOS is favored by developers for its lightweight, modular, and highly scalable nature. However, in … Read more
1. The Powerful Advantages of C++ in Driver Development 1. The Powerful Advantages of C++ in Driver Development In the field of device driver development, C++ is a “sharp tool.” It combines the features of high-level languages with the ability to approach the hardware layer, providing developers with many conveniences. On one hand, C++ has … Read more
1. Basics of Driver Development In the world of computers, drivers act as “unsung heroes,” silently building a communication bridge between hardware and the operating system. They encapsulate the specifics of hardware devices to provide a unified and user-friendly interface for the operating system, ensuring the computer system operates stably and efficiently. Whether it is … Read more
Sound Card Driver: The Unsung Hero Behind Computer Sounds When we use computers daily to listen to music, watch movies, or play games, the variety of sounds we experience relies heavily on the silent support of the sound card driver. The sound card driver is truly the unsung hero of computer sound; how does it … Read more
Click on the top “Baijian Technology”, to pin the public account Embedded technical content delivered promptly —— Author: linuxdrivers Original article: https://blog.csdn.net/linuxdrivers/article/details/5917478 In the previous article, “An Overview of Linux PCI Device Drivers (Part 1)” (hereafter referred to as Overview (1)), we introduced the PCI configuration register set, and Linux PCI initialization utilizes these registers. … Read more
In the vast ecosystem of Python libraries, there is a library called <span>uvloop</span>, which is based on <span>libuv</span> and provides an ultra-fast asynchronous I/O loop for Python. In simple terms, <span>uvloop</span> allows your Python code to handle network requests faster and more efficiently. Today, I will introduce a practical case of using <span>uvloop</span>: building an … Read more
Rust is not a simple language; it maximizes both safety and performance. But don’t be intimidated by its reputation. Follow this roadmap, and in a month, you can transform from a novice to a Rust expert. Let’s start planning this learning journey! Week 1: Build a Strong Foundation Honestly, the first time I saw Rust … Read more
This article is translated from Medium Original: Building Stock Market Engine from scratch in Rust https://github.com/Harshil-Jani/stock_engine_rs Medium This article is relatively basic, but it is very helpful for beginners to understand a simple trading system prototype. From the perspective of the exchange matching engine, the main structure is shown in the figure below: The four … Read more