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From: Hans Petter Selasky <hselasky@c2i.net>
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Subject: Re: uhid write EIO
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On Saturday 22 May 2010 20:22:44 Engineering wrote:
> Hi - quick correction - I had it working under 7.0, not 6.2, but I think I
> had a beta version of HPS' updated USB stack in there.
> 
> Sam

Hi,

Try FreeBSD-8 stable or FreeBSD-9 (You can copy /usr/src/sys/dev/usb/... to 
get the latest code).

If /dev/uhidX does not work, try to use libusb in the FreeBSD baseport. There 
are three API's to choose from:

LibUSB v0.1 (official)
LibUSB v1.0 (official)
LibUSB v2.0 (BSD specific)

man libusb

man libusb20

--HPS