1. Application Layer The application layer is the first layer of the TCP/IP protocol, directly providing services to application processes. (Data unit: message) It supports the World Wide Web with HTTP, email with SMTP, and file transfer with the FTP protocol. 2. Transport Layer Responsible for providing general data transmission services for communication between processes … Read more
SDNCan SDN network architecture replace TCP/IP architecture?1. SDN and NFV differ from traditional routing table selection rules, as they choose forwarding paths through OpenFlow flow tables. Does this mean that routing protocols like OSPF and EIGRP are no longer needed? Can we say that it has replaced the network layer?2. Overlay provides layer 2 flat … Read more
Omron EtherCAT: Sharing on High-Speed Fieldbus for Synchronous Control Systems Introduction: Starting from My Experience Hello everyone! I am an engineer with many years of experience in industrial automation, primarily working with industrial fieldbus, motion control, and equipment debugging. In past projects, I have frequently encountered EtherCAT, especially in applications involving high-precision synchronous control systems. … Read more
1 In December 2019, the “2020 Smart Manufacturing & China Motion Control / Direct Drive Industry Development Summit Forum and Award Ceremony” hosted by China Transmission Network and the China Motion Control Industry Alliance was held in Ningbo, Zhejiang. EtherCAT G technology, with its unparalleled innovative advantages, has broken through the traditional motion control application … Read more
CANopen is an application layer protocol based on the CAN bus. Porting it to the target platform generally requires the following steps: 1.Hardware Preparation â—¦Ensure that the target microcontroller or microprocessor has a CAN controller. If there is no built-in CAN controller, an external CAN controller chip (such as SJA1000, etc.) may be required, and … Read more
Modbus is a serial communication protocol that was published by Modicon (now Schneider Electric) in 1979 for communication with programmable logic controllers (PLCs). Modbus has become the de facto industry standard for communication protocols in the industrial sector and is now a common method for connecting industrial electronic devices. The main reasons for the widespread … Read more
Debugging Tools // Example code snippet for demonstration #include <stdio.h> int main() { printf("Hello, World!\n"); return 0; }</stdio.h> In this article, we will explore the usage of gdb in the C language and share some effective debugging techniques. Debugging is an essential part of the development process, allowing developers to identify and fix issues in … Read more
Debugging Tools: Using gdb for Breakpoint Debugging in C Language During the process of writing C programs, we often encounter various issues such as logical errors and runtime errors. To identify the root causes of these problems, debugging tools are essential. Among the many debugging tools available, the GNU Debugger (gdb) has become the preferred … Read more
From WeChat Official Account: Embedded Linux The questions are as follows: I am currently 25 years old, graduated from a non-985 university. I work in Shenzhen, doing embedded development, and my salary is currently average. After reading many blogs written by seniors, I find them great. I have some questions. 1. Recently, there have been … Read more
This article is a Makefile guide for Go projects. Hello everyone, my name is Xie Wei, and I am a backend developer using the Go language. The theme of this article is: Writing a Makefile guide suitable for Go projects. 1. Prerequisites: Familiarity with Makefile Experience in writing projects in Go During the project development … Read more