
© 2007, QNX Software Systems GmbH & Co. KG. usbd
_
hcd
_
ext
_
info(), usbd
_
hcd
_
info()
vusbd The version number of the USB DDK.
controller The name of the USB host controller.
capabilities The capabilities of the USB host controller.
ndev The number of devices currently connected.
cindex The index of the host controller.
vhcd The version number of the USB HCD.
max
_
td
_
io The maximum number of bytes per HC TD.
Returns:
EOK Success.
Classification:
QNX Neutrino, QNX 4
Safety
Cancellation point Yes
Interrupt handler No
Signal handler No
Thread Yes
See also:
usbd
_
args
_
lookup(), usbd
_
configuration
_
descriptor(), usbd
_
device
_
lookup(),
usbd
_
device
_
extra(), usbd
_
device
_
descriptor(), usbd
_
endpoint
_
descriptor(),
usbd
_
hub
_
descriptor(), usbd
_
interface
_
descriptor(), usbd
_
languages
_
descriptor(),
usbd
_
parse
_
descriptors(), usbd
_
string(), usbd
_
urb
_
status()
September 10, 2007 Chapter 4 • USB Library Reference 49
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