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px4.parameter.cbrk_usb_chk.set

Open Platform PX4 parameter command. PX4 parameter: CBRK_USB_CHK Sets the PX4 USB-link check circuit breaker. 0 keeps the USB connected check enabled. 197848 disables it. PX4 recommends keeping this check enabled for production vehicles. This parameter is intended for development or HITL workflows and should remain guarded allowlist only.

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Request Params

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command_type
string
必填
Fixed px4.parameter.cbrk_usb_chk.set
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payload.value
integer
必填
Parameter value, range 0~197848; production recommendation is 0

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PX4 Frame Mapping

  • PX4 source: docs/px4/build/px4_sitl_default/parameters.json
  • PX4 handler: docs/px4/src/modules/mavlink/mavlink_parameters.cpp
  • PX4 parameter: CBRK_USB_CHK
  • Category: Developer
  • Group: Circuit Breaker
  • Parameter type: int32
  • Default: 197848
  • Range: 0~197848
  • Cloud write policy: guarded allowlist only
  • MAVLink frame: PARAM_SET
  • Guard: PX4_PARAMETER_WRITE_ALLOWLIST must contain CBRK_USB_CHK
{
  "vendor": "px4",
  "device_id": "px4-real-1",
  "command_type": "px4.parameter.cbrk_usb_chk.set",
  "payload": {
    "value": 0
  },
  "idempotency_key": "req-set-CBRK_USB_CHK-001",
  "timeout_seconds": 30
}