Belkin F8E211 Guia do Utilizador descarregar pdf (Página 81)

select

conﬁg()

Select the conﬁguration for a USB device

Synopsis:

#include <sys/usbdi.h>

int usbd_select_config( struct usbd_device *device,

_uint8 cfg );

Arguments:

device An opaque handle used to identify the USB device.

cfg The device’s conﬁguration identiﬁer (

bConfigurationValue).

Library:

libusbdi

Description:

You use the usbd

select

conﬁg() function to select the conﬁguration for a USB

device.

Returns:

EOK Success.

ENOMEM No memory for URB.

ENODEV Device was 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 81