b014205a5b
ASSESSMENT.md §7 assumed the RFID encode was locked inside the Windows-only
GTSPL_SDK.dll and would need a USBPcap sniff or the GTSPL Java jar to recover.
It didn't. The DLL is a managed .NET assembly, and its IL shows every RFID call
is a one-line String.Concat -> ASCII -> WritePrinter. Recovered from ldstr order
plus argument order, and confirmed by a second independent decompile:
UHF WRITE H,2,12,E,"<24 hex>" UHF READ/QUERY ...
UHF GEN2 EPC|TID|USER|ACCESS|KILL <action>,"<pw>"
SET RFID <tagType>,<rw_pos>,<void>,<try>,<err>,<speed>,<retry> (dots, not mm)
&DEFAULT,i &CALIBRATE,A,R PRINT <set>, <copy>
So the whole recipe is plain ASCII over the printer's bulk endpoint and ports to
macOS with no vendor binaries at all.
- mac/urovo.py USB transport + full GTSPL command set, status decoding, the
ribbon-latch recovery, SKU<->EPC packing ported from daemon.cs.
- mac/label.py PIL bitmap renderer -> TSPL BITMAP. Media-profile driven, so both
shop stocks work (small 51x19 and large 55x24 on the 24mm web),
with a safe-area inset so the design can't clip at the edges.
- mac/daemon.py :7790 HTTP service, same routes/JSON/CORS as daemon.cs, plus a
/preview route that renders a label as PNG without printing one.
Verified on the bench from macOS: printer identifies (MODEL:UROVO-D812R), the
latched 0x08 "out of ribbon" clears with SET RIBBON OFF + FORMFEED, and labels
print correctly oriented and dark on the 24x55 stock.
NOT yet verified: the RFID encode itself. It is wired and the printer accepts the
command, but the loaded thermal stock has no inlays so nothing has been written to
a chip. Needs a PET RFID label at the antenna. The SKU<->EPC byte layout also
remains unconfirmed against existing Chafon-written tags.
Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
6 lines
165 B
Bash
Executable File
6 lines
165 B
Bash
Executable File
#!/bin/bash
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# Double-click me. Leave the window open while you work.
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cd "$(dirname "$0")"
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[ -x venv/bin/python ] || ./setup.sh
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exec ./venv/bin/python daemon.py "$@"
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