osmo-modbus/README.md

libosmo-modbus - Osmocom Modbus interface library

This repository contains a C-Language library providing an implementation and interface to manage a Modbus node in a Modbus bus.

This library relies heavily on libosmocore library and it is aimed at being used by applications using that same library.

The Modbus specs can be found here: https://www.modbus.org/specs.php

Currently supported features include:

• Master and Slave roles
• RTU backend

TODO:

• Implement ASCII backend
• Implement TCP backend
• Implement missing unicast messages/responses
• Implement sending exceptions (both to protocol peer and to the upper layer)
• Implement broadcast messages
• Add a sniffer util to sniff traffic and store it in a pcap file using libpcap
• Add a register storage using a rb_tree?
• Add unit tests