Belkin F8E211 Guia do Utilizador descarregar pdf (Página 61)

get

frame()

Get the current frame number and frame length for a device

Synopsis:

int usbd_get_frame( struct usdb_device *device,

_int32 *fnum,

_int32 *ﬂen );

Arguments:

device The handle for the device, obtained by calling usbd

attach().

fnum If non-

NULL, this is set to the frame number.

ﬂen If non-

NULL, this is set to the frame length.

Library:

libusbdi

Description:

This function gets the current frame number and frame length for the speciﬁed device.

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

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Belkin F8E211 Guia do Utilizador Página 61