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

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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).
This commit is contained in:
Julian Çuni
2026-06-16 08:22:23 +02:00
parent e579fe5b6e
commit bf37106c5c
7 changed files with 124 additions and 1 deletions
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wiki/concepts/entry-exit-readers.md
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@@ -22,6 +22,12 @@ There are **two populations** of users, and they map to **two integration paths*
| [[wiegand]] reader → UHPPOTE port | The controller | Controller (onboard card list) | **Yes** — works if host down |
| Pure TCP/IP reader | Host only | Host, then UDP `open` to relay | No — host on critical path |
| [[lpr-camera|LPR]] / QR scanner | Host only | Host | No |
| **[[gee-qr-er80]] QR reader (serial)** | Host only | Host (reads serial → `read` bus) | No |
> Concrete host-side reader on hand: the **[[gee-qr-er80]]** (QR over RS-232/RS-485). Note autonomy
> is moot here anyway — the current relay ([[dingtian-relay]]) has **no onboard card list**, so even
> a Wiegand reader would be host-decided. So we take the serial/QR path straight to the host's
> `read` bus.
## Key points
wiki/concepts/ticket-encoding.md
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@@ -37,6 +37,9 @@ must have:
- The **scanner is a device behind an adapter** ([[device-adapter-pattern]]): a new `ReaderDevice`
kind (QR/barcode imager) — likely the same `IdentitySource = "ticket"` / `"qr"` path. Keeps the
app device-agnostic; hardware model is procurement ([[bom]], [[open-questions]]).
- **On hand:** the **[[gee-qr-er80]]** QR access reader (`-Q-W`: QR scanner, Wiegand/RS-232/RS-485,
Linux-supported) — the concrete scanner for this path. A serial `ReaderDevice` adapter feeds the
`read` bus; pending the reader's RS-232 frame/baud (see [[gee-qr-er80]] open questions).
## Ticketless alternative (plate as the ticket)