{
  "added_at": "2026-11-08",
  "additional_evidence_urls": [
    "https://github.com/majabojarska/Valeton-GP180-Rev-Eng/blob/11edfe521f7d43bf9489855fdedec7dab1de8462/README.md",
    "https://github.com/majabojarska/Valeton-GP180-Rev-Eng/blob/11edfe521f7d43bf9489855fdedec7dab1de8462/reverse-engineering-history.md"
  ],
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "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.",
  "description_zh": "Valeton GP180 Reverse Engineering 研究这款吉他效果器的 USB MIDI SysEx 通信、固件及配套 Suite 软件。抓包分析重组分片的 SysEx 消息，记录帧格式、事务字段，以及预设、效果、设置和文件传输相关的已观察到的消息类别。",
  "entry_url": "https://awesomerea.org/resources/valeton-gp180-rev-eng-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/valeton-gp180-rev-eng-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/majabojarska/Valeton-GP180-Rev-Eng/blob/11edfe521f7d43bf9489855fdedec7dab1de8462/usbcap-analysis.md",
  "group": "cases",
  "id": "valeton-gp180-rev-eng-case",
  "json_url": "https://awesomerea.org/resources/valeton-gp180-rev-eng-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/valeton-gp180-rev-eng-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/valeton-gp180-rev-eng-case/index.md",
  "name": "Valeton GP180: USB MIDI SysEx protocol investigation",
  "name_zh": "Valeton GP180：USB MIDI SysEx 协议研究",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "scope",
    "limits",
    "license"
  ],
  "requirements": [
    "The investigation covers Valeton GP-180 firmware and Suite software, with USBPcap captures of device traffic.",
    "The integrity-byte algorithm and some message-family meanings remain unresolved.",
    "GPL-3.0 License."
  ],
  "requirements_zh": [
    "研究范围包括 Valeton GP-180 固件、Suite 软件及设备流量的 USBPcap 抓包。",
    "完整性校验字节的算法和部分消息类别的含义尚未确定。",
    "采用 GPL-3.0 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "app",
    "firmware",
    "protocol"
  ],
  "url": "https://github.com/majabojarska/Valeton-GP180-Rev-Eng",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}