Initial project scaffold for xblink NFC-powered LED implant

Set up Rust embedded project targeting SAMD21 (thumbv6m-none-eabi) with
XIAO M0 BSP for dev board prototyping. Includes LP5562 EN pin control
on D0/A0, project documentation (README, CLAUDE.md), phased status
tracker, and detailed development plan covering LP5562 driver integration,
NTAG5Link I2C driver, pattern storage format, power management, NFC
communication protocol, recovery mode, and firmware update strategy.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
michael
2026-03-03 09:32:30 -08:00
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