Belkin F8E211 Guía de usuario descargar pdf (Pagina 103)

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

index This varies, depending on the request. It’s used for

passing a parameter to the device.

addr Address for start of transfer — you must use the buffer

allocated by usbd

alloc().

len The length (in bytes) of the data transfer.

Returns:

EOK Success.

Classiﬁcation:

QNX Neutrino, QNX 4

Safety

Cancellation point No

Interrupt handler No

Signal handler No

Thread Yes

Caveats:

To ensure that the correct physical address will be used, you must use

the buffer allocated by usbd

alloc() for the addr parameter.

See also:

usbd descriptor(), usbd feature(), usbd io(), usbd setup bulk(),

usbd

setup control(), usbd setup interrupt(),

usbd

setup isochronous(), usbd status()

November 2, 2006 Chapter 4 USB Library Reference 91

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Belkin F8E211 Guía de usuario Pagina 103