Arduino, as a convenient, flexible, and easy-to-use open-source electronic prototyping platform, is popular among various groups of people. We will launch a series of Arduino learning posts to help you quickly master this increasingly popular microcontroller. Our “Getting Started with Arduino” will guide everyone to understand Arduino, starting with the simplest “Hello World!” program, helping … Read more
1. Starting the WatchDog The WatchDog is created and started in the startBootstrapServices() method of the SystemServer process. //[frameworks/base/services/java/com/android/server/SystemServer.java]public final class SystemServer implements Dumpable { private void startBootstrapServices(@NonNull TimingsTraceAndSlog t) { t.traceBegin("startBootstrapServices"); // Start the watchdog as early as possible so we can crash the system server // if we deadlock during early boot t.traceBegin("StartWatchdog"); … Read more
Hot Article Introduction | Click the title to read Welcome to join the Java and Android architecture knowledge community Senior Wireless Development Expert from Alibaba Shares Career Development Advice for Programmers Advanced Secrets of Architecture Interviews: Recommended Excellent Articles from May Author: hamberluo Link: https://juejin.im/post/5af296226fb9a07a9a10d6f1 Are Android Engineers Really Commonplace Now? At Google I/O, a … Read more
The editor’s note from IT Home: The Pen Review Room, as an established review media, has always been a must-read public account for IT Home editors to learn about notebook-related knowledge. In the new media era, Zhu Wang’s reviews of notebooks remain humorous and objective, and his Bilibili videos are full of fun and entertainment, … Read more
Project Name: PCB Electronic Instrument Project Author: Modified Workshop Director Introduction Before we look at today’s open-source recommendation, let’s understand what a Stylophone is. Stylophone is an electronic instrument. It was all the rage in the 1970s. In fact, its creation was a coincidence; an enthusiast came up with the idea while repairing a toy … Read more
Introduction to mr-library mr-library is a lightweight framework for embedded systems that provides a unified low-level driver device model and basic service functions. It features modular design, configurability, and extensibility, helping developers quickly build embedded applications. The mr-library framework supports basic kernel functions such as mutexes and object management. It integrates asynchronous event-driven frameworks (events), … Read more
Remember at the beginning of 2020, Apple updated the MacBook Air, bringing back the scissor-switch keyboard. I was so excited that I bought a low-spec i3 version, which I have been using ever since. In the same year, the M1 version of the MacBook Air was released. It has no fan, yet it achieves lower … Read more
Total: 1234 words, 38 images,Estimated reading time: 2 minutes Previously, OpenWrt was deployed on VMware Workstation (Deploying the latest version of OpenWrt 23.05.3 on VMware Workstation). If you want to deploy OpenWrt directly on ESXi, you will find that the conversion of the image cannot directly generate OVF or OVA files, and ESXi also has … Read more
RP1: the silicon controlling Raspberry Pi 5 I/O, designed here at Raspberry Pi Raspberry Pi 5 is the most complicated, and expensive, engineering program we’ve ever undertaken at Raspberry Pi, spanning over seven years, and costing on the order of $25 million. It’s also our first flagship product to make use of silicon designed in-house … Read more
Author: Lei Silei, EETOP CPU Forum Moderator, Username: leishangwen,This article is from the author’s blog, the link can be clicked to read the original article. RISC-V is an open-source instruction set architecture designed and released by the University of California, Berkeley (hereinafter referred to as UCB). Its goal is to become the Linux of the … Read more