OPC UA Examples with open62541

Welcome to the opcua_open62541 repository! This repository provides a collection of examples using the open62541 library to help developers implement OPC UA solutions. The goal is to offer a variety of examples that can serve as a foundation for your own implementations.

Table of Contents

• Introduction
• Repository Structure
• Installation
• Usage
• Contribution
• License

Introduction

OPC UA (Open Platform Communications Unified Architecture) is a machine-to-machine communication protocol for industrial automation developed by the OPC Foundation. The open62541 library is an open-source implementation of OPC UA, written in C. This repository provides practical examples to demonstrate how to use the open62541 library for various OPC UA use cases.

Repository Structure

The repository is organized as follows:

/opcua_open62541
|-- /1 - basics
| |-- /Server
| |-- /Client
|-- /2 - data access
| |-- /Server
| |-- /Client
|-- /3 - create_variables
| |-- /Server
| |-- /Client
|-- /4 - methods
| |-- /Server
| |-- /Client
|-- /5 - access_control // username: user pwd: user123 
| |-- /Server
| |-- /Client
|-- /6 - events
| |-- /Server
| |-- /Client
|-- /7 - nodeset_loader
| |-- /Server
| |-- /Client
|-- /8 - historical_data
| |-- /Server
| |-- /Client
|-- .gitignore
|-- LICENSE
|-- README.md

• /opcua_open62541: Contains example source files demonstrating different OPC UA functionalities.
• .gitignore: Specifies files and directories to be ignored by git.
• LICENSE: The license under which the repository is distributed.
• README.md: The file you are currently reading.

Installation

To compile and run the examples, you need to have the open62541 library installed on your system. Follow these steps to install the library and set up the repository:

1. Clone the repository:

   sh
   git clone https://github.com/yourusername/opcua_examples.git
   cd opcua_open62541
   

2. Install the open62541 library:

Follow the installation instructions from the open62541 GitHub repository.

3. Compile the examples:

You can use the provided Makefile to compile the examples. Run the following command in nestled directory example in the root of the repository:

make all

Usage

After compiling the examples, you can run them from the command line. Here are some usage examples:

1. Running the basic server:

./basic_server or ./server

2. Running the basic client:

./basic_client or ./client

For detailed instructions on running each example, refer to the comments in the source files located in the /examples directory.

Contribution

Contributions are welcome! If you have any examples you would like to add or improvements to the existing ones, feel free to open issues and submit pull requests. To contribute:

• Fork the repository.
• Create a branch for your feature (git checkout -b feature/MyFeature).
• Commit your changes (git commit -m 'Add MyFeature').
• Push to the branch (git push origin feature/MyFeature).
• Open a Pull Request.

License

This project is licensed under the MIT License - see the LICENSE file for details.