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feat: protocol v2.2 tag index / count, catalogue, offline reference data, unified playground (1.2.0) - #1
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…ata, unified playground
Protocol v2.2
- Byte +39 (page 0x0D byte 3) is the tag index / tag count: high nibble =
index, low nibble = count, so 0x12 is tag 1 of 2. tagInfo, tagIndex,
tagCount; create({ tagCount, tagIndex }), patch(), validate(), toDict(),
pretty() and describe() ("Tag 1 of 2 on this filament.").
TigerTag+ catalogue
- TigerTag.fromCatalog(productId) builds a ready-to-burn TigerTag+ from the
official id_catalog.json (RFID_Data). loadCatalog / refreshCatalog /
catalogInfo / catalogEntry, with an ETag-aware disk cache.
Reference data
- The 7 tables and the catalogue (gzip) ship with the package and are used
offline. A daily background check downloads only the tables that changed
into the user cache dir (or TIGERTAG_DATA_DIR); the newest of downloaded
and bundled wins per table. offline / TIGERTAG_OFFLINE=1 disables every
network call, db.update({ force }) and `tigertag update` update on demand,
and a custom dbPath is used exclusively. Behaviour change: the SDK now
checks for updated reference data once a day unless offline.
Playground
- One playground page shared byte-for-byte with the Python SDK, against a
common server contract (docs/playground-api.md): Read / Burn modes, twin
tag burning, SDK Input (create(), HEX, Pages), chips-on-the-readers check,
TigerTag+ product loading (offline catalogue or online API), catalogue and
table updates, info bubbles, SVG icons. Burn always writes pages
0x04-0x27 with the signature pages cleared; playgrounds never write a
signature. scripts/check_playground_sync.js guards the shared page.
Other
- Signature results and outputs no longer use emoji.
- raw_api image URLs, JPEG MIME type, playground assets for the demo presets.
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Highlights
0x0Dbyte 3 (high nibble = index, low = count:0x12= tag 1 of 2). Spec: spec: chip count / chip index at page 0x0D byte 3 (v2.2) TigerTag-RFID-Guide#26, #27, #28.id_catalog.json(RFID_Data), with an ETag-aware cache.TIGERTAG_DATA_DIR);offline/TIGERTAG_OFFLINE=1disables all network calls; manualupdate(API + CLI); a custom folder is used exclusively. Behaviour change: one network check per day unless offline.tools/playground.htmlin the JS and Python SDKs, against a common server contract (docs/playground-api.md) — Read / Burn modes, twin-tag burning, SDK Input (create(), HEX, Pages), chips-on-the-readers check, TigerTag+ loading (offline catalogue or online API), catalogue and table updates, info bubbles, SVG icons. Burn always writes pages 0x04–0x27 with the signature pages cleared: playgrounds never write a signature.Tested
0x12/0x22, shared timestamp, signature pages00), single-reader burn, and cross-SDK burns read back byte-for-byte identically.Merge note
check_playground_synccompares this repo'stools/playground.htmlwith the other SDK's copy onmain. It passes locally; in CI it will pass once both SDK PRs are merged.