On Tue, 9 Oct 2012, Peter Stuge wrote:
> 杨苏立 Yang Su Li wrote:
> > is there some hardware I can by to turn my desktop into an USB
> > device or USB OTG device? Preferably this hardware should use my
> > desktop's memory to back-up its storage.
>
> Not that I know of.
There are ways to do this. For example, see
http://www.plxtech.com/products/usbcontrollers/
Linux supports the net2272 and net2280 boards.
For more information (slightly outdated but still worthwhile), see
http://www.linux-usb.org/gadget/
Alan Stern
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