Bind and Unbind in Linux Device Driver Nodes

Bind and Unbind in Linux Device Driver Nodes

In embedded Linux environments with devices, there are two network cards. If A is recognized as eth0 and B is recognized as eth1, sometimes you may want to swap the device nodes (i.e., swap the mapping of A and B to eth0 and eth1, loading as eth0 first and eth1 second). The following methods can … Read more

Comprehensive Knowledge of Server Basics

Comprehensive Knowledge of Server Basics

Introduction Click on the “Shenzhen Network and Information Security Industry Association” public account below to follow and set as Starred. Simply put, a server is a computer that provides services to other clients on the network; it features high performance, high reliability, and high I/O data transfer capabilities. Businesses rely on large-scale servers for everything … Read more

Introduction to EtherCAT Cable Redundancy

Introduction to EtherCAT Cable Redundancy

The EtherCAT Processing Unit (EPU) is the logical core of the EtherCAT slave controller, containing registers, memory, and a data processing unit. Any frame must first pass through Port A before entering the EPU. The EPU is responsible for receiving, parsing, and processing the entire EtherCAT data stream. Cable redundancy requires a second network card. … Read more

How to Update Drivers in Device Manager

How to Update Drivers in Device Manager

How to Update Drivers in Device Manager Computer Knowledge (Issue 282) First, let’s talk about how to use the system’s built-in driver update feature to update drivers. First, open the Start menu, then right-click on Computer, and then select Properties at the bottom. On the properties page, there is an option for Device Manager on … Read more

Industrial Control Network Cards: The Translators of Communication Networks

Industrial Control Network Cards: The Translators of Communication Networks

In the field of industrial automation, industrial control network cards act as the “translators” for communication between devices. They are responsible for bridging different devices and network protocols, ensuring smooth data transmission. With the deepening development of Industry 4.0, network cards have become an indispensable key component in modern industrial control systems. This article will … Read more

RK3588 Chip Course: Network Card Driver Circuit and Hard Disk Interface, Audio Circuit Design

RK3588 Chip Course: Network Card Driver Circuit and Hard Disk Interface, Audio Circuit Design

This course series uses RK3588 chip as the core hardware design, based on the latest version of Cadence Allegro Allegro X software, for complete full-process instance project design and simulation of system on-chip resources, interface circuit design, and various commonly used peripheral resources for chip expansion. It integrates the latest software features and techniques into … Read more