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