From routers to smart speakers and industrial controllers, the flexibility of Linux and the prevalence of low-cost processors have made it a paradise for developers. Even more astonishing is that in China, you can currently buy a development board capable of running Linux for less than 100 yuan, which is practically a steal. The goal … Read more
Introduction Buildroot is an open-source tool for building embedded Linux systems, with its package management principles centered around “automated builds” and “dependency management.” It achieves full process control from source acquisition to target system generation through modular design. Core Architecture of Buildroot Package Management Buildroot adopts a layered architecture and modular design, mainly consisting of … Read more
In embedded system development, building a usable Linux system image is never an easy task. Buildroot, as a lightweight and highly integrated build system, has become one of the preferred solutions for many embedded projects. This article will quickly introduce you to the core features, advantages, and disadvantages of Buildroot, and in conjunction with engineering … Read more
In the previous issue, we detailed the Buildroot build system, which is simple and efficient, suitable for quickly generating embedded Linux images. However, as systems become increasingly complex, with fine-grained component dependencies and the need for modularity and long-term maintenance in team development, Buildroot gradually shows its limitations. This issue focuses on the Yocto Project—a … Read more
Scan to FollowLearn Embedded Together, learn and grow together When receiving a development board, the first thing to do is to understand it, find relevant materials, and familiarize oneself with its configurations. Then, set up the development environment. Thinking back to the past (here comes the show-off), the first development board I encountered while learning … Read more
Embedded Linux: A Comprehensive Guide to Pointers This article aims to summarize the learning of pointers in C language. If you like it, feel free to follow, as I will continue to update knowledge related to Embedded Linux. 1. The Relationship Between Pointers and Arrays 1. What is a Pointer? Like data types such as … Read more
1. Background To develop an embedded Linux application based on the MPU, it is necessary to configure the cross-compilation toolchain and port uboot + kernel. Development Environment: Windows 11 + VM16 + Ubuntu 16 2. Installation Steps 2.1 Install VMware 16 2.2 Install Ubuntu System ubuntu-16.04.5-desktop-amd64.iso 2.3 Install VMware Tools Shared Folder sudo vmhgfs-fuse .host://mnt/hgfs … Read more
1. The LCD from the Perspective of Application Engineers An LCD is composed of individual pixels: each row has xres pixels and there are yres rows, resulting in a resolution of: xres * yres. 2. How Colors are Represented in Pixels Colors can be represented using red, green, and blue. This can be done using … Read more
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
