Case study

Valeton GP180: USB MIDI SysEx protocol investigation

Valeton GP180 Reverse Engineering investigates the guitar processor's USB MIDI SysEx traffic, firmware and companion Suite software. Its capture analysis reassembles fragmented SysEx messages and records framing, transaction fields and observed message families for presets, effects, settings and file transfers.

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

Stars: 1
Last commit: 2026-09-02
Language: Python
License (GitHub): GPL-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

Scope: The investigation covers Valeton GP-180 firmware and Suite software, with USBPcap captures of device traffic.
Limits: The integrity-byte algorithm and some message-family meanings remain unresolved.
License: GPL-3.0 License.

Cite

BibTeX

@misc{valeton-gp180-rev-eng-case,
  title = {{Valeton GP180: USB MIDI SysEx protocol investigation}},
  howpublished = {\url{https://github.com/majabojarska/Valeton-GP180-Rev-Eng}},
  url = {https://github.com/majabojarska/Valeton-GP180-Rev-Eng},
  urldate = {2026-11-06},
  note = {Awesome REA entry: \url{https://awesomerea.org/resources/valeton-gp180-rev-eng-case/}}
}

Plain text

Valeton GP180: USB MIDI SysEx protocol investigation. https://github.com/majabojarska/Valeton-GP180-Rev-Eng (accessed 2026-11-06). Awesome REA entry: https://awesomerea.org/resources/valeton-gp180-rev-eng-case/

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About this entry

The description was reviewed against primary sources.

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Primary sources

usbcap-analysis.md GitHub · majabojarska/Valeton-GP180-Rev-Eng · Revision 11edfe5
README.md GitHub · majabojarska/Valeton-GP180-Rev-Eng · Revision 11edfe5
reverse-engineering-history.md GitHub · majabojarska/Valeton-GP180-Rev-Eng · Revision 11edfe5