NxModbus is a lightweight Modbus protocol stack implementation for NuttX RTOS.
This commit adds:
- nxmodbus stack
- nxmbserver - Modbus Server (Slave) example
- nxmbclient - Modbus Client (Master) tool
Supported Modbus transports:
- ASCII
- RTU over serial port
- TCP
- RAW (ADU) for custom transport implementations
Signed-off-by: raiden00pl <raiden00@railab.me>