Ryan ff01b4e86b ARM Cortex M* microcontroller development (#79) ...

* expert at Teensy microcontroller programming

* Refactor teensy-expert to arm-cortex-expert for broader ARM Cortex-M coverage

- Rename teensy-expert.md to arm-cortex-expert.md
- Update frontmatter: remove triggers field, add model: sonnet
- Generalize content for ARM Cortex-M platforms (Teensy, STM32, nRF52, SAMD)
- Add critical ARM Cortex-M sections:
  * Interrupt Priorities & NVIC Configuration
  * Critical Sections & Interrupt Masking (with BASEPRI formula)
  * Hardfault Debugging Basics
  * Cortex-M Architecture Differences comparison table
  * FPU Context Saving
  * Stack Overflow Protection
- Optimize content: 471 lines → 264 lines (26% reduction)
- Preserve all critical code patterns for correct LLM code generation
- Inline all technical content (no external snippet dependencies)

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* Add arm-cortex-expert to README and marketplace

- Added arm-cortex-expert to Specialized Domains section in README
- Created arm-cortex-microcontrollers plugin entry in marketplace.json
- Plugin authored by Ryan Snodgrass for ARM Cortex-M firmware development

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Co-authored-by: Claude <noreply@anthropic.com>

2025-10-14 20:59:07 -04:00

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