Belkin F8E211 Uživatelská příručka stáhnout pdf (Strana 31)

usbd

device

lookup()

Map the device instance identiﬁer to an opaque device handle

(from usbd

attach()).

usbd

device

extra() Retrieve a pointer to the device-speciﬁc extra memory

allocated by usbd

attach().

usbd

device

descriptor()

Get the device descriptor for a speciﬁc device.

usbd

endpoint

descriptor()

Get the endpoint descriptor for a speciﬁc endpoint setting.

usbd

get

frame() Get the current frame number and frame length for a device.

usbd

hcd

ext

info(), usbd

hcd

info()

Get information on the USB host controller and DDK library.

usbd

hub

descriptor()

Get the hub descriptor for a speciﬁc (hub) device.

usbd

interface

descriptor()

Get the interface descriptor for a speciﬁc interface setting.

usbd

languages

descriptor()

Get the table of supported LANGIDs for the given device.

usbd

parse

descriptors()

Parse device descriptors looking for a speciﬁc entry.

usbd

reset

device() Reset a USB device.

usbd

string() Get a string descriptor.

usbd

urb

status() Return status information on a URB.

usbd

topology(), usbd

topology

ext()

Get the USB bus physical topology.

September 10, 2007 Chapter 4 • USB Library Reference 17

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