Case study

douze: SSL 12 USB control protocol and Linux client

douze reconstructs the Solid State Logic SSL 12 USB control protocol and applies it in a Linux command-line controller and local mixer interface. Its protocol notes and captures cover framing, checksums, gain routing, monitoring, preamps and loopback.

Targets: Protocol
Category: Independent reconstruction cases
Relationship: Independent reconstruction project
Sources reviewed: 2026-11-06
Evidence class: C2 code & docs, no demo or download

Stars: 7
Last commit: 2026-11-04
Language: Python
License (GitHub): AGPL-3.0

GitHub data as of 2026-11-10

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Evidence

Observed: Code and documentation observed; no download method or demo found.
Checked: 2026-11-08

How evidence classes are assigned

Requirements & limits

Prerequisites: SSL 12 hardware and Linux with PipeWire.
Prerequisites: Python 3.11+ and pyusb for the controller and GUI.
Limits: A few settings and clock controls are identified but undecoded.
License: Code is AGPL-3.0; protocol documentation is CC0-1.0.

Cite

BibTeX

@misc{douze-case,
  title = {{douze: SSL 12 USB control protocol and Linux client}},
  howpublished = {\url{https://github.com/xenicle/douze}},
  url = {https://github.com/xenicle/douze},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/douze-case/}}
}

Plain text

douze: SSL 12 USB control protocol and Linux client. https://github.com/xenicle/douze (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/douze-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

README.md GitHub · xenicle/douze · Revision 3714982
PROTOCOL.md GitHub · xenicle/douze · Revision 3714982
COPYING.md GitHub · xenicle/douze · Revision 3714982