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Me Here 219fb267a0 pm-grid: harden FAT-read boot (fix black screen regression) 
The drive-read at boot bricked the display (barely blinked, then black).
Likely the new fatfs + owned set lists exhausted the 24KB heap (alloc panic ->
halt before the splash). Three fixes:
- Heap 24KB -> 96KB (Pico has 264KB).
- format_pmg1 writes one 4KB sector per call (the proven MSC write pattern)
  instead of a single 7-sector erase+program.
- Run read_user_setlists AFTER the splash, so a FAT/flash failure can no longer
  leave the screen black; added defmt logs around it to localize any remaining
  failure over the probe.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2026-06-04 07:35:28 -05:00
..
assets/bravura Add untracked notation deliverables (build/compile depend on these) 2026-06-02 13:46:45 -05:00
glyphgen Add untracked notation deliverables (build/compile depend on these) 2026-06-02 13:46:45 -05:00
pm-grid pm-grid: harden FAT-read boot (fix black screen regression) 2026-06-04 07:35:28 -05:00
pm-kit Preserve notation + grammar feature work (verified complete + green) 2026-06-02 13:45:26 -05:00
pm-ui Add untracked notation deliverables (build/compile depend on these) 2026-06-02 13:46:45 -05:00
track-format Preserve notation + grammar feature work (verified complete + green) 2026-06-02 13:45:26 -05:00
uisim Preserve notation + grammar feature work (verified complete + green) 2026-06-02 13:45:26 -05:00
.gitignore Add untracked notation deliverables (build/compile depend on these) 2026-06-02 13:46:45 -05:00
Cargo.toml Add pm-grid: Rust firmware for the Pico Scroll Pack (RP2040) 2026-06-03 07:22:48 -05:00
Containerfile Add pm-grid: Rust firmware for the Pico Scroll Pack (RP2040) 2026-06-03 07:22:48 -05:00
probe-flash.md rust: probe-flash.md — flash+defmt via Pi Debug Probe in a Silverblue toolbox 2026-06-01 08:49:02 -05:00
README.md Rust port Stage 1: track-format codec crate (passes the golden vectors) 2026-05-31 18:36:59 -05:00
run.sh pm-kit: defmt+probe-rs diagnostics + flip-link toolchain 2026-06-01 08:30:35 -05:00

README.md

Rust port — track-format crate (Stage 1)

Pure parse/serialize codec for the track DSL, validated against the shared golden vectors (tests/fixtures/track-format.json) — the third implementation alongside engine.js and app.py. See docs/rust-port.md for the staged plan.

All tooling runs in a container (per the develop-in-container rule):

./rust/run.sh            # cargo test — runs the conformance + idempotency suite
./rust/run.sh cargo build
./rust/run.sh bash       # interactive shell in the crate