AN4752: FreeMASTER Usage, Serial Driver Implementation – Application Note

This application note describes how to integrate and configure the FreeMASTER serial driver for communication between an embedded application and the FreeMASTER PC steps, API usage and PC-side configuration to support real‑time variable monitoring, visualization and control in development workflows.

What's Inside

• FreeMASTER Overview — Purpose of the serial driver, supported communication layers (SCI, CAN, JTAG) and available PC‑side tools.
• Driver Package Structure — Explanation of source folders, platform‑specific files and example projects included in the installation.
• Project Integration Steps — How to add driver files, configure freemaster_cfg.h and select interrupt/poll‑driven modes.
• Essential API Functions — Initialization, polling, ISR handling plus Scope and Recorder functionality for real‑time data capture.
• PC Application Setup — Communication channel setup, MAP file selection and adding watch variables, scopes and recorders.
• Recorder Configuration — Trigger conditions, sample buffering and visualization of fast‑changing variables.
• Processor Expert Workflow — Automated project setup using integrated components for simpler integration.