Profibus-DP Communication Protocol Overview

Profibus-DP Communication Protocol Overview

Profibus-DP Communication Protocol 1. Overview PROFIBUS – DP stands for Decentralized Periphery, which is a type of computer electronic component. It features high speed and low cost, used for communication between device-level control systems and decentralized I/O. It, along with PROFIBUS-PA (Process Automation) and PROFIBUS-FMS (Fieldbus Message Specification), forms the PROFIBUS standard. 2. Basic Information … Read more

Developing PCI Device Drivers on Linux

Developing PCI Device Drivers on Linux

1. PCI Bus System Architecture PCI stands for Peripheral Component Interconnect, which is a universal bus interface standard that has been widely used in current computer systems. PCI provides a complete set of bus interface specifications aimed at describing how to connect peripheral devices in a structured and controlled manner, while also characterizing the electrical … Read more

Analysis of Disk I/O Read and Write Process in Linux

Analysis of Disk I/O Read and Write Process in Linux

1. Introduction In computer operating systems, disk I/O (Input/Output) is a key link in data read and write operations. For Linux systems, optimizing disk I/O performance is directly related to the overall response speed and data processing capability of the system. This article will detail the read and write process of Linux disk I/O, including … Read more