Belkin F8E211 Guía de usuario descargar pdf (Pagina 47)

 2006, QNX Software Systems GmbH & Co. KG. usbd connect()

Connect a client driver to the USB stack

Synopsis:

#include <sys/usbdi.h>

int usbd

connect( usbd connect parm t*parm,

struct usbd

connection **connection );

Description:

You use the usbd connect() function to connect to a USB device and

to provide insertion/removal callbacks (in the

usbd connect parm t data structure).

parm Connection parameters describing how to connect to

the USB stack and how you intend to operate with it.

connection An opaque handle returned on a successful

connection; it’s used to pass into other routines to

identify the connection.

Data structures

typedef struct usbd connect parm {

const char *path;

uint16 vusb;

uint16 vusbd;

uint32 flags;

int argc;

char **argv;

uint32 evtbufsz;

usbd

device ident t *ident;

usbd

funcs t *funcs;

uint16 connect wait

} usbd

connect parm t;

path Name of the stack (NULL means

/dev/io-usb/io-usb, the default name).

vusb and vusbd Versions of the USB stack (

USB VERSION) and

SDK (

USBD VERSION).

November 2, 2006 Chapter 4 USB Library Reference 35

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Belkin F8E211 Guía de usuario Pagina 47