where to get info to write basic usb driver for own device?

Avleen Vig lists-freebsd at silverwraith.com
Thu Jul 8 06:31:37 PDT 2004

On Sun, Jul 04, 2004 at 12:53:39PM +0000, idownes at slingshot.co.nz wrote:
> So what I guess what I am asking is how hard would this be? (I have a 
> reasonable knowledge of C and Java and have been using FreeBSD for a 
> couple of years but have never written a device driver (for any OS))  Do I 
> actually need to write a driver or can I use something already existing?  
> Where would I get information on how to do this?  So far I've been looking 
> at the existing drivers; ugen, ufm etc., the programmers handbook and am 
> starting to look at libusb...?
> Sorry for the long message.  Any pointers etc. would be greatly 
> appreciated.

I am actually in a similar situation.
I know some C, and want to write a device driver for a USB device (web
cam), but I have no idea where to start.
I've searched for a "beginners guide to writing device drivers" but
failed miserably :-(

Avleen Vig
Systems Administrator
Personal: www.silverwraith.com
EFnet:    irc.mindspring.com (Earthlink user access only)

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