Firmware Info Uplink Data

Static information about the currently running firmware and the device itself. These values are reported on boot and whenever requested with a null value.

Key path: devdata.fw

To request current values:

{
  "devdata": {
    "fw": null,
  },
}

ver_str

Human‑readable version string (e.g., "1.1.3-rel").

Configuration variables

• Type: string
• Sent on: Boot, on request

{
  "devdata": {
    "fw": {
      "ver_str": "1.1.3-rel",
    },
  },
}

ver_maj / ver_min / ver_patch

Numeric major, minor, and patch version components.

Configuration variables

• Type: integer
• Sent on: Boot, on request

{
  "devdata": {
    "fw": {
      "ver_maj": 1,
      "ver_min": 1,
      "ver_patch": 3,
    },
  },
}

device_id

Unique device identifier (8‑byte hex string). Matches the serial number returned over USB.

Configuration variables

• Type: string (hex)
• Sent on: Boot, on request

{
  "devdata": {
    "fw": {
      "device_id": "38b8ebe80007",
    },
  },
}

device_type

Hardware board configuration string (from the Zephyr build).

Configuration variables

• Type: string
• Sent on: Boot, on request

{
  "devdata": {
    "fw": {
      "device_type": "CC2_V1",
    },
  },
}

rel

Build timestamp of the firmware image.

Configuration variables

• Type: string
• Sent on: Boot, on request

{
  "devdata": {
    "fw": {
      "rel": "2024-06-10T08:15:00Z",
    },
  },
}

Related

• Firmware Config (Downlink) — DFU and provisioning
• Core State — device state and uptime
• Changelog — firmware release history