liblightmodbus - a lightweight Modbus RTU library

Liblightmodbus is a lightweight cross-platform Modbus RTU library. It provides Modbus frame parsing/building functionality only, so interfacing with hardware is up to user.

The library has been proved to work on variety of platforms, including AVR, ARM and PowerPC.

Getting started

• Building liblightmodbus
• Basic usage
• Disabling dynamic memory allocation
• User-defined Modbus functions
• User-defined Modbus register callback function
• Advanced configuration