Essential Knowledge for Embedded Projects – Basics of Operating Systems

Essential Knowledge for Embedded Projects - Basics of Operating Systems

RTOS (Real-Time Operating System) Real-Time Characteristics: The ability to respond to external events and execute tasks within a specified time frame, such as in industrial control, ensuring precise timing for sensor signal acquisition and actuator control operations, thereby maintaining the stable and efficient operation of automated production lines. Task Scheduling Mechanism: Understanding preemptive scheduling (where … Read more

Understanding the Boot Process of Embedded Systems

Understanding the Boot Process of Embedded Systems

Do you really understand the boot process of embedded systems? 😏😏😏 The boot process of an embedded system refers to the entire sequence of events from the power-off state to the normal operating state when the system is powered on. In embedded systems, the design and implementation of the boot process are crucial for the … Read more

Detailed Explanation of Linux Boot and Startup Process

Detailed Explanation of Linux Boot and Startup Process

(Click the public account above to quickly follow) Author: David Both, Translation: Linux China/penghuster linux.cn/article-8807-1.html If you have good articles to submit, please click → here for details Have you ever wondered how an operating system can execute applications? This article will unveil the mysteries of operating system booting and startup. Understanding the operating system … Read more

Understanding the BIOS Chip on the Motherboard

Understanding the BIOS Chip on the Motherboard

1. What is BIOS The term BIOS first appeared in 1975, and it stands for Basic Input Output System. It truly gained prominence with the launch of the IBM PC in 1981, marking the beginning of a tumultuous history. The IBM PC system generally consists of three parts: hardware, software, and the middleware BIOS, with … Read more

In-Depth Analysis of Linux Core Directory Structure and Function Mapping

In-Depth Analysis of Linux Core Directory Structure and Function Mapping

System Command Hub: /bin • Core Positioning: Stores the core executable instruction set of the system (abbreviated as Binaries), covering the basic command toolchain used frequently. • Analog Reference: Similar to the C:\Windows\System32 instruction set storage area in Windows environments. Boot Loader Hub: /boot • Core Components: Contains Linux kernel images, hardware driver modules, and … Read more

The Boot Process of Embedded Linux on RK3399

The Boot Process of Embedded Linux on RK3399

1. Introduction The RK3399 is a high-performance SoC launched by Rockchip, widely used in smart devices, embedded systems, and industrial control applications. Understanding its boot process is crucial for developers to optimize system boot time, customize firmware, and troubleshoot boot issues. This article will detail the boot process of the RK3399, including the BootROM, bootloader, … Read more

Detailed Explanation of eMMC Boot Process

Detailed Explanation of eMMC Boot Process

Recently, the eMMC of the product encountered some issues. In response to these issues, I read the relevant sections of the Embedded Multi-Media Card (eMMC) Electrical Standard (5.1) JESD84-B51 and recorded the eMMC boot process as follows. The above figure shows the eMMC power-on process, with the following steps: 1. Power on VCC and VCCQ, … Read more

Understanding MCU Boot Process in Depth

Understanding MCU Boot Process in Depth

This article is selected from the Jishu column “Arm Selection” by author lvy, authorized to be transferred from the WeChat public account Arm Selection. This article will take you deeper into the understanding of the MCU boot process. I previously wrote an article analyzing the complete boot process of STM32, but I felt that some … Read more

Exploring the Computer Boot Process

Exploring the Computer Boot Process

2016 Microcomputer and Applications Issue 3 Author: Yuan Qianqian Abstract: This article provides a detailed study of the computer boot process and system loading, combining the collaborative calling mechanism between hardware and software. It offers a relatively comprehensive discussion of the entire process from pressing the power button to loading the operating system, ultimately displaying … Read more

A Detailed Guide to the Linux Boot Process

A Detailed Guide to the Linux Boot Process

💻 A Detailed Guide to the Linux Boot Process ✨ Today, let’s take a detailed look at the Linux boot process, which is an important foundational knowledge for using the Linux system! 💕 1. Booting The beginning of everything is, of course, booting. When we press the power button, the entire startup process officially begins. … Read more