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CC2 Device Documentation

Firmware & Provisioning Config

Controls firmware update URLs, DFU and provisioning mode triggers, and the manufacturer string.

Key path: devcfg.fw

{
  "devcfg": {
    "fw": {
      "manuf": "Infrafon",
      "dfu_url": "https://dfu.infrafon.cloud/images/cc2/latest/app_update.bin",
      "prov_net": "k1"
    }
  }
}

Configuration variables

Section titled “Configuration variables”

manuf

Section titled “manuf”
  • Type: string
  • Default: "Infrafon"

Device manufacturer name. Used in BLE device information broadcasts.

{ "devcfg": { "fw": { "manuf": "Infrafon" } } }

dfu_url

Section titled “dfu_url”
  • Type: string
  • Default: "https://dfu.infrafon.cloud/images/cc2/latest/app_update.bin"

HTTPS URL from which to download the firmware image during an OTA DFU operation. The device performs a GET request to this URL when a DFU is triggered.

{ "devcfg": { "fw": { "dfu_url": "https://dfu.infrafon.cloud/images/cc2/latest/app_update.bin" } } }

dfu_start

Section titled “dfu_start”
  • Type: boolean
  • Default: false
  • One‑shot: yes

Set to true to immediately attempt a firmware DFU (over‑the‑air update). The device must be in unallocated or error state. After the command is processed the flag resets to false.

{ "devcfg": { "fw": { "dfu_start": true } } }

prov_start

Section titled “prov_start”
  • Type: boolean
  • Default: false
  • One‑shot: yes

Set to true to force the device into provisioning state. This mode times out after 180 seconds of inactivity. The flag resets automatically.

{ "devcfg": { "fw": { "prov_start": true } } }

prov_net

Section titled “prov_net”
  • Type: string
  • Default: none

The name of the network configuration to use during provisioning or DFU modes. This network must be defined in your global.json or unallocdata.json.

{ "devcfg": { "fw": { "prov_net": "k1" } } }
Section titled “Related”