USBDevice.configuration - Web APIs 编辑

Experimental

This is an experimental technology
Check the Browser compatibility table carefully before using this in production.

The configuration read only property of the USBDevice interface returns a USBConfiguration object for the currently selected interface for a paired USB device.

Syntax

var USBConfiguration = USBDevice.configuration

Value

A USBConfiguration object.

Example

The following example uses this property to test for the existence of a USBConfiguration property to select a configuration before claiming an interface.

async function connectDevice(usbDevice) {
  await usbDevice.open();
  if (usbDevice.configuration === null)
    await usbDevice.selectConfiguration(1);
  await usbDevice.claimInterface(0);
}

Specifications

Browser compatibility

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