Follow and star our official account to access exciting content ID: Technology Makes Dreams Greater Compiled by: Li Xiaoyao As the saying goes, the beginning is always the hardest. When you first start, do you feel completely lost on how to begin? Searching online leads you to a pile of new terms that confuse you, … Read more
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
u-boot.lds is the linker script file for the u-boot project, which plays a crucial role in the compilation and linking of the project. It determines the assembly of u-boot and instructs the linker on how to combine the sections from various source files (such as assembly and C source files) into the final executable file. … Read more
Follow and star the public account for direct access to exciting content Source: Online Materials As the saying goes, the beginning is always the hardest. When you first start, do you find yourself completely unsure of how to begin? Searching online leads to a jumble of new terms that leave you lost. Even going to … Read more
For embedded Linux systems, the process from powering on to the operating system startup requires a boot process, which is reflected in the boot program, known as the Bootloader. Concept and Role of Bootloader The Bootloader is the boot program for embedded systems, and it is the first program that runs after the system powers … Read more
This article is a featured article from the Kanxue Forum, author ID: Q老Q 1 Entering U-Boot Shell from UART After opening a certain router device, locate the UART interface and connect the UART pins to the computer through TTL. Power on the router and observe the startup log. Boot SPI NAND start read bootheader start … Read more
Click the above“Mechanical and Electronic Engineering Technology”to follow us Host Machine The host machine (Host Machine) usually refers to the computer used for developing and compiling embedded software. The host machine is typically a high-performance desktop or laptop that runs standard operating systems such as Windows, Linux, or macOS. The main functions of the host … Read more
Why U-Boot is Needed1.1. Main Components of Computer Systems(1) A computer system is a system centered around the CPU. Typical computer systems include: PCs (desktop + laptop), embedded devices (smartphones, tablets, game consoles), and microcontrollers (home appliances like rice cookers, air conditioners).(2) There are many components that make up computer systems, and different computer systems … Read more
Word Count: 1200 Practical Index: ⭐⭐⭐⭐⭐ Introduction: Due to the special nature of the embedded development environment (cross-compilation), we will use some other peripheral tools. Here is a brief description, along with a reintroduction of the various tools used in the entire development environment and a simple application development process. 01 SecureCRT SecureCRT is a … Read more
Today, a customer visited us. Their company used S3C2440 to create a product and encountered some issues: 1. Sometimes the program can be burned to NOR Flash using H-JTAG, and sometimes it cannot; when it fails to burn, H-JTAG shows an error message “Unable to load driver”. 2. When it is lucky enough to burn … Read more