{
  "added_at": "2026-11-08",
  "category": "reconstruction-cases",
  "class": "hardware",
  "description_en": "Gree-Wired-Proto maps the RS-485 exchange between a Gree air-conditioner indoor unit and an XK19 wired controller. It records 1200-baud 8N1 serial settings, a 7E 7E header, source and destination bytes, body lengths, XOR checksum and observed message examples.",
  "description_zh": "Gree-Wired-Proto 解析格力空调室内机与 XK19 线控器之间的 RS-485 通信。文档记录 1200 波特率、8N1 串口设置、7E 7E 帧头、源与目的地址、消息体长度、异或校验及观测到的报文示例。",
  "entry_url": "https://awesomerea.org/resources/gree-wired-proto-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/gree-wired-proto-case/",
  "evidence_class": 2,
  "evidence_status": "observed",
  "evidence_url": "https://github.com/maxim-smirnov/gree-wired-proto/blob/14168a22a55d194d11b6336461eeb1136fc710b7/README.md",
  "group": "cases",
  "id": "gree-wired-proto-case",
  "json_url": "https://awesomerea.org/resources/gree-wired-proto-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/gree-wired-proto-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/gree-wired-proto-case/index.md",
  "name": "Gree-Wired-Proto: mapping the XK19 wired controller bus",
  "name_zh": "Gree-Wired-Proto：解析 XK19 线控器总线",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "prerequisites",
    "limits",
    "license"
  ],
  "requirements": [
    "A Gree indoor unit and compatible wired controller for observing this bus.",
    "The meaning of destination 40 remains unknown.",
    "GPL-3.0 license."
  ],
  "requirements_zh": [
    "观察该总线需要格力室内机和兼容的线控器。",
    "目的地址 40 的含义仍不明确。",
    "采用 GPL-3.0 许可证。"
  ],
  "scope": "unknown",
  "targets": [
    "protocol"
  ],
  "url": "https://github.com/maxim-smirnov/gree-wired-proto",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}