{
  "added_at": "2026-11-06",
  "additional_evidence_urls": [
    "https://github.com/blaineam/benro-polaris-firmware-patcher/blob/6bbf67a8b762a9926a42da0f5444f0c0364ff9f0/docs/APP-PROTOCOL.md",
    "https://github.com/blaineam/benro-polaris-firmware-patcher/blob/6bbf67a8b762a9926a42da0f5444f0c0364ff9f0/LICENSE"
  ],
  "category": "reconstruction-cases",
  "description_en": "Benro Polaris Firmware Patcher investigates the Polaris camera controller and repacks a user-supplied firmware image with a newer libgphoto2 stack and targeted pgphoto changes. Its documentation maps Benro Connect app behavior and the TCP messages used to control the device. The author reports end-to-end testing with a Canon EOS R5 Mark II.",
  "description_zh": "Benro Polaris Firmware Patcher 研究 Polaris 相机控制器，将新版 libgphoto2 组件和针对 pgphoto 的修改打包进用户自备固件镜像。文档还梳理 Benro Connect 应用行为及其控制设备的 TCP 报文。作者报告已使用 Canon EOS R5 Mark II 完成端到端测试。",
  "entry_url": "https://awesomerea.org/resources/benro-polaris-firmware-patcher-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/benro-polaris-firmware-patcher-case/",
  "evidence_url": "https://github.com/blaineam/benro-polaris-firmware-patcher/blob/6bbf67a8b762a9926a42da0f5444f0c0364ff9f0/README.md",
  "group": "cases",
  "id": "benro-polaris-firmware-patcher-case",
  "json_url": "https://awesomerea.org/resources/benro-polaris-firmware-patcher-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/benro-polaris-firmware-patcher-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/benro-polaris-firmware-patcher-case/index.md",
  "name": "Benro Polaris Firmware Patcher: rebuilding camera control and mapping the app protocol",
  "name_zh": "Benro Polaris Firmware Patcher：重建相机控制并解析应用协议",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "A user-supplied stock FwPkt is required; the author tested firmware 4.0.0.32 with a Canon EOS R5 Mark II.",
    "Optional astronomy features are experimental and have not been tested under real stars.",
    "MIT license."
  ],
  "requirements_zh": [
    "需要用户自备原厂 FwPkt；作者测试的组合是固件 4.0.0.32 与 Canon EOS R5 Mark II。",
    "可选天文功能仍属实验阶段，尚未在真实星空下测试。",
    "采用 MIT 许可证。"
  ],
  "targets": [
    "app",
    "firmware",
    "protocol"
  ],
  "url": "https://github.com/blaineam/benro-polaris-firmware-patcher",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}