USBInterface
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The USBInterface
interface of the WebUSB API provides information about an interface provided by the USB device. An interface represents a feature of the device which implements a particular protocol and may contain endpoints for bidirectional communication.
Constructor
USBInterface()
-
Creates a new
USBInterface
object which will be populated with information about the interface on the providedUSBConfiguration
with the given interface number.
Properties
USBInterface.interfaceNumber
Read only-
Returns the interface number of this interface. This is equal to the
bInterfaceNumber
field of the interface descriptor defining this interface. USBInterface.alternate
Read only-
Returns the currently selected alternative configuration of this interface. By default this is the
USBAlternateInterface
fromalternates
withalternateSetting
equal to0
. It can be changed by callingUSBDevice.selectAlternateInterface()
with any other value found inalternates
. USBInterface.alternates
Read only-
Returns an array containing instances of the
USBAlternateInterface
interface describing each of the alternative configurations possible for this interface. USBInterface.claimed
Read only-
Returns whether or not this interface has been claimed by the current page by calling
USBDevice.claimInterface()
.
Specifications
Specification |
---|
WebUSB API # usbinterface |
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