I am Lao Wen, an embedded engineer who loves learning. Follow me to become even better together! Engineers who have worked on embedded Linux system optimization know that when the system powers on, it first starts u-boot (sometimes with a u-boot wait delay). After u-boot boots the kernel, the kernel will load the driver, and … Read more
Follow+Star Public Account, don’t miss out on exciting content Source | MYiR Electronics As market demands continue to evolve, the requirements for CPUs across various industries are becoming increasingly stringent, especially with the rise of AIoT in recent years, which necessitates higher computing power for a better user experience. Today, we recommend the MYC-LR3576 core … Read more
Detailed Guide to Embedded Linux Development on Raspberry Pi 4 1. Overview 2. Overview of the Development Environment 2.1 Installing the Virtual Machine Environment 2.2 Setting Up the Raspberry Pi Development Environment 3. Installation of Cross-Compilation Tools and Compilation of U-Boot 3.1 Installing the ARM 64-bit Cross-Compilation Environment 3.2 Compiling U-Boot for Raspberry Pi 3.3 … Read more
Scan to enter the live room Free book giveaway event Event time: On the day of the live broadcast Event method: 【1】Follow the lottery mini program. 【2】Live draw on site. 【3】If you win, please fill in your address within two days, expired will be invalid. 【4】All prizes will be sent within one month after winning. … Read more
In today’s highly interconnected digital age, network devices have become an indispensable part of our daily lives and work. To meet the personalized needs of different users regarding network functions, the open-source community has produced many excellent projects, among which OpenWrt is one. OpenWrt is a Linux operating system that focuses on providing customized and … Read more
1. Linux Audio Architecture Diagram The quality of audio and video directly affects product experience. 2. Explanation of Audio Architecture Layers openWRT adopts the ALSA layer architecture as follows: Application: The upper layer application mainly calls the interfaces in alsa-lib to implement business logic. Use aplay, arecord, amixer, speaker-test in alsa-util for related testing. HAL … Read more
I am Lao Wen, an embedded engineer who loves to learn. Follow me, and let’s become better together! As an amateur embedded engineer, my main job is to use microcontrollers to detect different button actions and implement various LED light effects (advanced lighting). Occasionally, I also design some circuit boards to validate ideas or technical … Read more
Linux Programming Click on the right to follow, free from beginner to advanced! Author丨LYing_ http://www.apkbus.com/blog-685845-76823.html As a new driver in the programmer community, it’s time to organize some things. Over the past two or three years, I have written code while forgetting it, losing it along the way. Many issues have been forgotten in the … Read more
In the previous article “Designing a Case for Taishan Platform with Jialichuang EDA, which has good heat dissipation”, we introduced the case designed for the Taishan Platform. Just saw a Bilibili expertLinux expert Wangzai adapted the Raspberry Pi operating system (Raspberry Pi OS) for the Lichuang Taishan platform, and we immediately flashed it. Raspberry Pi … Read more
1. What is Raspberry Pi? The Raspberry Pi is a small computer the size of a credit card that you can connect to a TV, monitor, keyboard, mouse, and other devices. Currently, the Raspberry Pi can replace a desktop computer for various uses, including word processing, spreadsheets, media center, gaming, etc., or it can be … Read more