FreeMASTER Run-Time Debugging Tool

FREEMASTER

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FreeMASTER is a user-friendly real-time debug monitor and data visualization tool that enables runtime configuration and tuning of embedded software applications. Both global automotive OEMs and appliance manufacturers widely adopted FreeMASTER as it is suitable for use in a broad range of automotive and industrial applications.

FreeMASTER supports non-intrusive monitoring of variables on a running system and can display multiple variables on oscilloscope-like displays as standard widgets (gauges, sliders and more) or as data in text form, offering simple-to-use data recorders.

FreeMASTER can link with custom HTML, MATLAB® or Excel to other scriptable frameworks to add MCU hardware into control loops. Connection to the target system from a host running FreeMASTER may be made directly over a broad range of communication peripherals or debug channels. FreeMASTER embeds graphs, tabular grids and web views directly in the desktop application. FreeMASTER connections are made via a network connection using JSON RPC calls, with client implementations available for Python, Node.js, C/C++/C# and other languages. This option is fully compatible with existing Chromium browser component and on top it also offers a better compatibility with legacy solutions built with the Internet Explorer technology. Refer to an IE Migration Guide whitepaper included in the FreeMASTER 3.2 installation for more information.

FreeMASTER offers a new component: FreeMASTER Lite. It is a lightweight service leveraging the JSON RPC protocol that can run on Windows or Linux host PC and enables the implementation of custom UI applications on a web browser application (running on a local or remote host computer or mobile device).

FreeMASTER 3.1 extends the FreeMASTER Lite by supporting the Node-RED framework. Node-RED enables the visual programming of event-driven applications. FreeMASTER 3.1 brings a palette of Node-RED "nodes" that act as visual wrappers around JSON-RPC calls, leveraging the full potential of both FreeMASTER and Node-RED to design visual dashboards with minimal or no coding at all.

Diagram

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Connectivity Options for Desktop FreeMASTER Block Diagram

Connectivity Options for Desktop FreeMASTER Block Diagram

Connectivity Options for FreeMASTER Lite Block Diagram

Connectivity Options for FreeMASTER Lite Block Diagram

Automotive General Block Diagram

Automotive General Block Diagram
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Features

Real-Time Data Monitoring

  • Real-time oscilloscope/waveforms with simultaneous rising/falling edge triggers
  • Multi-channel high-speed data recording (on-board memory oscilloscope)
  • User-defined dashboard for data visualization
  • Gauge, slider and button widgets
  • Text (name, value, min, max, enumerated labels and more)
  • Easy incorporation of graphic images

Control Panels

  • Direct setting of variable values from watch dialogs
  • Time-table stimulation of variable values
  • User command/message control
  • JavaScript-powered HTML Forms (with push buttons, indicators and sliders) or custom HTML5 gauges
  • External application control by Excel, MATLAB or others which support scripting with ActiveX embedding or JSON-RPC protocol
  • Microsoft Edge WebView2 browser component which can be used to render dashboard and other control applications running embedded in the FreeMASTER main application window

Host communication options

  • UART, USB/CDC serial communication peripherals
  • CAN communication
  • TCP and UDP network communication
  • SWD/JTAG debug connection
  • Segger RTT high speed JTAG communication

Development platforms integration

  • MCUXpresso SDK and MCUXpresso ConfigTools
  • Compatible with MCUXpresso IDE and MCUXpresso for Visual Studio Code
  • Node-RED framework  for graphical programming
  • Integration with GUI Guider design tool for rapid HMI design

Supported Devices

System Requirements

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