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Date: Sat, 07 Feb 2009 11:38:50 -0700 (MST)
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To: hselasky@c2i.net
From: "M. Warner Losh" <imp@bsdimp.com>
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Cc: freebsd-usb@freebsd.org
Subject: Re: eToken and USB2 (ugen issue?)
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In message: <200902071808.48709.hselasky@c2i.net>
            Hans Petter Selasky <hselasky@c2i.net> writes:
: On Saturday 07 February 2009, M. Warner Losh wrote:
: > In message: <200902071303.53394.hselasky@c2i.net>
: >
: >             Hans Petter Selasky <hselasky@c2i.net> writes:
: > : On Saturday 07 February 2009, Mike Tancsa wrote:
: > : > At 04:36 AM 2/7/2009, Hans Petter Selasky wrote:
: > : > >Hi Mike,
: > : > >
: > : > >The ugen devices are invisible and dynamically created.
: > : > >
: > : > >Try open /dev/ugen0.2.0.0 (control endpoint)
: > : > >
: > : > >Also you need to re-link your application with
: > : > > "dev/usb2/include/usb2_ioctl.h"
: > : > >
: > : > >Format is /dev/ugen<bus>.<addr>.<ifaceindex>.<endpointno>
: > : > >
: > : > >I recommend using libusb20 to access your USB device.
: > : > >
: > : > >See "man libusb20".
: > : >
: > : > Hi,
: > : > Thanks for the response. These are all out of the ports
: > : > (openct,opensc). Are there any pointers somewhere on how to best
: > : > teach old apps about the new USB2 world on FreeBSD ?
: > :
: > : Hi Mike,
: > :
: > : Most commonly the following advice helps:
: > :
: > : Add to /etc/libmap.conf:
: > : libusb-0.1.so         libusb20.so
: > : libusb-0.1.so.8               libusb20.so.1
: > :
: > : Also see:
: > : http://wiki.freebsd.org/USB
: >
: > What about for apps that don't use libusb?
: >
: 
: Hi Warner,
: 
: Applications that use /dev/ugen, needs to be recompiled at least and modified 
: to open /dev/ugenX.Y.A.B instead of /dev/ugenY.B .

Any reason not to provide the old name as an alias to the new?

: I recommend people using the libusb or libusb20 API. Using a library makes 
: porting much easier!

That's true.  And very cool that it helps enable more technology...

Warner