Belkin F8E211 Guia do Utilizador descarregar pdf (Página 23)

 2006, QNX Software Systems GmbH & Co. KG. How a class driver works

5 Initiate data transfer using the usbd io() function (with

completion callbacks if required).

In this context, the term “pipe” is a USB-speciﬁc term that has nothing

to do with standard POSIX “pipes” (as used, for example, in the

command line

ls | more). In USB terminology, a “pipe” is simply

a handle; something that identiﬁes a connection to an endpoint.

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November 2, 2006 Chapter 2 Overview 11

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Belkin F8E211 Guia do Utilizador Página 23