parking_solution

mca/parking_solution

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Author	SHA1	Message	Date
julian	bf37106c5c	wiki: ingest GEE-QR-ER80 QR access reader datasheet The reader on hand is a GEE-QR-ER80 QR/DataMatrix/1D barcode access reader (not an EM4100 prox-card reader as first guessed). Interfaces: Wiegand 26/34, RS-232, RS-485, USB, TCP/IP; 4-15 VDC; Linux-supported. Variant on hand: -Q-W (QR scanner, Wiegand/RS-232/485). This is the QR-ticket scanner the design already needed: a host-side reader whose scans become read-bus events consumed by the (already-built) exit flow and QR-permit path. Prefer RS-232/485 over Wiegand (Wiegand can't carry a variable-length QR string; autonomy is moot with the no-ACL Dingtian). New source + entity pages; updated ticket-encoding, entry-exit-readers, index. Open (blocks the adapter): the RS-232/485 frame + baud (ASCII CR/LF expected).	2026-06-16 08:22:23 +02:00
julian	8a8e74561d	wiki: design the business layer (session, tariff, permit, vision, shift, ops) Pivot from the hardware/integrity layer to the parking operation. All wiki-only; no code yet. Core principle throughout: business entities are projections over the signed append-only event log, never mutable tables. New concepts: parking-session, tariff (composable/versioned, FX-ready), shift (manned-only Z-report), capacity-occupancy, validation-discounts, reporting-analytics, clock-integrity, ticket-encoding, anti-passback. New entities: permit, opencv-anpr-service, blocklist. Decisions: session-model, vision-service (host-side ANPR + vehicle verification; scoped AGPL exception for the isolated service). Updates: append-only-event-chain (new event types + vision witness), local-jwt-auth (drop 8h expiry -> until logout; code change pending), lpr-camera (host-side recognition supersedes edge-AI), standing-decisions (AGPL exception), open-questions (+FX, +pay-station money corners, backup). Deferred + flagged: intercom/help-call, receipts/refunds/change, FX engine, lane topology (#1).	2026-06-15 17:41:38 +02:00

Author

SHA1

Message

Date

julian

bf37106c5c

wiki: ingest GEE-QR-ER80 QR access reader datasheet

The reader on hand is a GEE-QR-ER80 QR/DataMatrix/1D barcode access reader
(not an EM4100 prox-card reader as first guessed). Interfaces: Wiegand 26/34,
RS-232, RS-485, USB, TCP/IP; 4-15 VDC; Linux-supported. Variant on hand: -Q-W
(QR scanner, Wiegand/RS-232/485).

This is the QR-ticket scanner the design already needed: a host-side reader
whose scans become read-bus events consumed by the (already-built) exit flow
and QR-permit path. Prefer RS-232/485 over Wiegand (Wiegand can't carry a
variable-length QR string; autonomy is moot with the no-ACL Dingtian).

New source + entity pages; updated ticket-encoding, entry-exit-readers, index.
Open (blocks the adapter): the RS-232/485 frame + baud (ASCII CR/LF expected).

2026-06-16 08:22:23 +02:00

julian

8a8e74561d

wiki: design the business layer (session, tariff, permit, vision, shift, ops)

Pivot from the hardware/integrity layer to the parking operation. All
wiki-only; no code yet. Core principle throughout: business entities are
projections over the signed append-only event log, never mutable tables.

New concepts: parking-session, tariff (composable/versioned, FX-ready),
shift (manned-only Z-report), capacity-occupancy, validation-discounts,
reporting-analytics, clock-integrity, ticket-encoding, anti-passback.
New entities: permit, opencv-anpr-service, blocklist.
Decisions: session-model, vision-service (host-side ANPR + vehicle
verification; scoped AGPL exception for the isolated service).

Updates: append-only-event-chain (new event types + vision witness),
local-jwt-auth (drop 8h expiry -> until logout; code change pending),
lpr-camera (host-side recognition supersedes edge-AI), standing-decisions
(AGPL exception), open-questions (+FX, +pay-station money corners, backup).

Deferred + flagged: intercom/help-call, receipts/refunds/change, FX engine,
lane topology (#1).

2026-06-15 17:41:38 +02:00

2 Commits