Embedded Modbus Slave C Library

This library has been developed as a spin-off of the IEC 61131-3 bytecode compiler and virtual machine project and provides a small, embedded library implementing an interface for the most common Modbus protocol operations. Supported operations include read, write, and read/write multiple for coils, discrete inputs, holding and input registers. This library is licensed under the Creative Commons Attribution Non-Commercial International (CC BY-NC 4.0) license.