Set Programmer Zilong as starred to read quality articles in real-time Hello everyone, I am Zilong, focusing on sharing AI tools and breaking down AI side jobs to make earning money easier. 1. Introduction to MQTT MQTT (Message Queuing Telemetry Transport) is an IoT communication protocol developed by IBM. OASIS (Organization for the Advancement of … Read more
“SPI is a synchronous serial communication interface that achieves full-duplex transmission with 4 lines. FPGA can flexibly adapt to different rates and communication modes. This article first explains its core principles and four protocol modes, then provides a loopback test scheme for Mode 0, including sending, receiving, and top-level module design and constraints, simulating to … Read more
Introduction to HTTP 1. HTTP Versions Since the invention of the HTTP protocol, it has undergone several version modifications, namely <span><span>HTTP/0.9</span></span>，<span><span>HTTP/1</span></span><span><span>.0</span></span>，<span><span>HTTP/1.1</span></span> and <span><span>HTTP/2</span></span>。Currently, the most widely used version is <span><span>HTTP/1.1</span></span>，which is the focus of this article. 2. TCP/IP Protocol Before learning about the HTTP protocol, let’s first understand the TCP/IP protocol. It serves as the … Read more
In previous chapters, we learned the basic concepts of the HTTP protocol. Today, we will explore HTTP messages, using the analogy of mailing a letter to help you easily understand HTTP messages. Core Analogy: HTTP is Like Mailing a Letter Imagine you want to send a letter and a gift to a friend through the … Read more
Follow our business 👇 Scan to subscribe Pitfall 1: Signal Reversal – The Basic Mistake of Turning “OK” into “NG” Over 200 defective screens flowed into the next process, with rework losses exceeding 50,000 yuan. Whether it is micron-level defect detection in 3C electronics or dimensional measurement of components in the automotive industry, the rationality … Read more
In-Depth Analysis of Linux NVMe Driver: From Principles to Practice 1 NVMe Protocol Basics: Why a New Generation Storage Protocol is Needed In traditional storage technology, the AHCI protocol for SAS and SATA interfaces has long been the mainstream standard for hard disk communication. However, with the rapid development of flash memory technology, these interface … Read more
Unfortunately, I have been busy with my wedding recently, and I cannot guarantee timely updates on WeChat during this period. Updates will be irregular until after the New Year. If you have any issues, please leave a message, and I will respond when I see it. Thank you all for your support. Introduction HTTP (Hypertext … Read more
HTTP protocol stands for Hyper Text Transfer Protocol, which is the protocol used to transfer hypertext from World Wide Web (WWW) servers to local browsers. HTTP is a protocol based on the TCP/IP communication protocol for transmitting data (HTML files, image files, query results, etc.). The HTTP protocol operates on a client-server architecture. The browser … Read more
1. Introduction: Most people who use computers are familiar with entering a URL in the address bar of web browsers like IE, Firefox, or Chrome to access a website. But how is the web page presented to the user? Web pages do not appear out of thin air; the browser requests resources from a specified … Read more
Insights on AHB Bus Learning The AMBA 3 AHB-Lite protocol is designed for high-performance synthesizable designs, supporting a single bus master and providing high bandwidth operations. It features burst transfers, single clock edge operations, non-tristate implementations, and configurable data bus widths from 64 bits to 1024 bits, making it suitable for connecting internal storage devices, … Read more