Introduction to VxWorks 5.4 System
Click “Read the original text” to access more VxWorks resources Veteran users are no stranger to VxWorks;
Alarm System
Uncovering the Secrets of ARMv7/ARMv8/ARMv9 Architecture
1. Although ARMv7 products are still frequently seen in the market and many students are learning about ARMv7, it has been 15 years since its release, and ARMv8 has been around for 10 years. 2. Despite the popularity of ARM, which occupies various fields in the market and has many programmers closely related to it, … Read more
Understanding Byte Alignment in Linux
Recently encountered a problem where ThreadX running on ARM crashed while communicating with DSP using message queues (the final implementation principle is interrupt + shared memory). After investigation, it was found that the structure used for message passing did not consider the issue of byte alignment. Here’s a brief overview of byte alignment issues in … Read more
In-depth Analysis of CMSIS-NN Neural Network Inference Library for ARM Cortex-M Series Chips
CMSIS_NN Overview Paper Title: “CMSIS-NN: Efficient Neural Network Kernels for Arm Cortex-M CPUs”, 2018 Organization: ARM 0. Introduction CMSIS-NN is a neural network inference library for ARM Cortex-M series chips, designed for deploying neural networks on low-performance chips/architectures. 1. Convolution and Matrix Multiplication Using the 16-bit multiply-accumulate SIMD instruction, SMLAD. 1.1 __SXTB16 Data Extension Most … Read more
Simplifying ARM Cortex-M Microcontroller Development with pyOCD
Simplifying ARM Cortex-M Microcontroller Development with pyOCD In embedded development, the choice of debugging and programming tools significantly impacts development efficiency. Today, I would like to introduce a powerful and easy-to-use open-source tool – pyOCD. It is specifically designed for programming and debugging ARM Cortex-M series microcontrollers, supporting multiple platforms to make the development process … Read more
Understanding the Evolution and Ecosystem of Arm Server Products
This article is the first session of the 2024 Infra series public class by Jishu Community, where server technology experts from Arm share related technologies and market trends of Arm Neoverse. Welcome to register for viewing. Since the launch of the Arm Neoverse platform in 2018, it has become a key driving force leading the … Read more
Exploring the Future of VR Display Technologies: Fast-LCD vs Silicon-Based OLED
The reduction of costs and enhancement of user experience are crucial directions for the improvement of VR/AR hardware products. To achieve this, manufacturers are actively experimenting with various display technologies to create realistic, immersive, and comfortable visual experiences, leading to a vibrant VR/AR display panel market. BOE plans to invest 29 billion yuan to construct … Read more
Introduction to ARM Architecture: A Comprehensive Guide
ARM (Advanced RISC Machine) is a 32-bit and 64-bit RISC (Reduced Instruction Set Computing) processor architecture designed by Arm Ltd. The ARM architecture is widely used in various devices due to its efficiency, flexibility, and low power consumption, ranging from embedded systems to high-performance computers. This article will detail the characteristics, advantages, application scenarios, and … Read more
Running Full Windows 10 ARM on Raspberry Pi
Microsoft launched the Windows 10 IoT version in 2015 for the Raspberry Pi series and other single-board computers to install and deploy more applications. However, the Raspberry Pi series devices use Broadcom’s ARM processors, so they can only run universal applications from the Windows 10 store. If you find this monotonous, you will soon have … Read more
How to Self-Compile the Raspberry Pi 64-bit Kernel System
Recently, we recommended chainsx’s “Raspberry Pi Ubuntu 64-bit System Player Experience Edition”. The author further provides methods for self-compiling the above system and creating an image file, introducing how to cross-compile and compile directly on the Raspberry Pi, teaching you to fish~ You can cross-compile using Ubuntu 16.04 or compile directly on the Raspberry Pi. … Read more