
usbd get frame() 2006, QNX Software Systems GmbH & Co. KG.
Get the current frame number and frame length for a device
Synopsis:
int usbd get frame( struct usdb device *device,
int32 *fnum,
int32 *flen );
Description:
This function gets the current frame number and frame length for a
specific device (a handle from usbd
attach()).
fnum If non-
NULL, this is set to the frame number.
flen If non-
NULL, this is set to the frame length.
Returns:
EOK Success.
ENODEV The device has been removed.
Classification:
QNX Neutrino, QNX 4
Safety
Cancellation point Yes
Interrupt handler No
Signal handler No
Thread Yes
56 Chapter 4 USB Library Reference November 2, 2006
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