This repository contains definitions only:

• namespaces, enums, and compile-time constants;
• device identity and feature macros;
• package and operating-grade selections;
• register addresses and bit positions;
• peripheral capabilities and hardware limits;
• Doxygen comments and documentation.

It does not contain:

• peripheral drivers or initialization;
• register reads or writes;
• inline or ordinary functions;
• interrupt handlers;
• startup code;
• dynamic allocation or runtime lookup tables;
• build-system or programmer integration.

A consuming library uses these definitions to implement behavior. That behavior and any runtime storage belong to the consuming library.