usbf man page on OpenBSD

usbf man page on OpenBSD

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USBF(4)			  OpenBSD Programmer's Manual		       USBF(4)

NAME
     usbf - introduction to Universal Serial Bus function support

SYNOPSIS
     usbf* at pxaudc?	 # zaurus
     cdcef* at usbf?

DESCRIPTION
     OpenBSD provides machine-independent bus support and drivers for
     Universal Serial Bus (USB) functions, making it possible in principle for
     machines running OpenBSD to act as USB device to a USB host.

     The OpenBSD usbf driver has three layers: the controller, the logical
     device, and the function layer.  The controller attaches to a physical
     bus.  The logical device attaches to the controller and the function
     attaches to the logical device.

     Function drivers implement the characteristics of a particular USB device
     class that the USB host will see when the device is connected to the bus.

SUPPORTED FUNCTIONS
     OpenBSD includes the following machine-independent USB function drivers,
     sorted by device type and driver name:

   Communication devices
	cdcef(4)      Communication Device Class Ethernet Emulation Model USB
		      network adapter.

SEE ALSO
     cdcef(4), intro(4), pxaudc(4)

HISTORY
     The usbf driver first appeared in OpenBSD 4.1.

AUTHORS
     The usbf driver was written by Uwe Stuehler <uwe@openbsd.org>.

OpenBSD 4.9			March 19, 2009			   OpenBSD 4.9

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