Development Paper: QModMaster for macOS Project Code: QModMaster-Mac Target Platform: macOS (Intel x86_64 / Apple Silicon ARM64) Software Category: Industrial Communication / Modbus Testing Utility 1. Executive Summary QModMaster is a free, open-source Modbus master simulator widely used in the industrial automation community. Currently, the application is predominantly Windows-centric (built on the Qt framework and Win32 API). This paper outlines the development requirements for a native macOS port. The goal is to provide automation engineers, system integrators, and developers using macOS with a robust, native tool for Modbus RTU (Serial) and TCP/IP debugging without relying on virtual machines or Wine wrappers. 2. Current State Analysis
Original Codebase: Written in C++ utilizing the Qt framework (Widgets). Dependencies:
Qt Framework (Core, Gui, Widgets, Network, SerialPort). Modbus library (custom implementation or wrapper around QModbusTcpClient/QModbusRtuSerialMaster). Windows-specific API calls (primarily for Serial Port enumeration and registry settings).
User Interface: Traditional desktop layout with toolbar, register tables, and log output. qmodmaster mac
3. Functional Requirements The macOS version must retain feature parity with the Windows baseline while adhering to Apple Human Interface Guidelines (HIG). 3.1 Core Features
Protocol Support:
Modbus TCP/IP (Client/Master). Modbus RTU (Client/Master over Serial/USB-RS485). This paper outlines the development requirements for a
Function Code Support:
Read Coils (FC01) Read Discrete Inputs (FC02) Read Holding Registers (FC03) Read Input Registers (FC04) Write Single Coil (FC05) Write Single Register (FC06) Write Multiple Coils (FC15) Write Multiple Registers (FC16)
Data Display:
Binary, Decimal, Hexadecimal, and 16-bit Integer views. Floating-point (32-bit) support (Byte swap options).
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