libmodbus - C++ Modbus Protocol Implementation

A comprehensive C++ implementation of the Modbus protocol supporting RTU, ASCII, and TCP variants. The library provides a clean, modern C++ interface for building Modbus servers and clients with full compliance to Modbus specifications.

🚀 Features

• Complete Function Code Support: All standard Modbus function codes (FC 01-08, 15-16)
• Multiple Transport Protocols: RTU (complete), ASCII and TCP (planned)
• Standards Compliance: Full compliance with Modbus Application Protocol V1.1b3
• Modern C++ Design: C++17 compatible with RAII principles and type safety
• Configurable Data Model: Supports standard and custom Modbus limits
• Comprehensive Testing: Full unit test coverage with Google Test

📊 Build Status

🚀 Quick Start

Building the Library

git clone --recursive https://github.com/shishir-dey/libmodbus.git
cd libmodbus
mkdir build && cd build
cmake ..
make

Running Tests

cd build
make test

📖 Documentation

• Complete Documentation - Full API reference and guides
• API Reference - Detailed class and function documentation
• Examples - Practical usage examples
• Testing Guide - Testing framework and guidelines

Generating Documentation Locally

cd docs
pip install -r requirements.txt
make html