Date: Fri, 8 Aug 2003 18:06:07 +0200 From: Bernd Walter <ticso@cicely12.cicely.de> To: Paulo Roberto <nirv199@yahoo.com> Cc: hackers@freebsd.org Subject: Re: porting a webcam Message-ID: <20030808160606.GA46866@cicely12.cicely.de> In-Reply-To: <20030808145626.80036.qmail@web14914.mail.yahoo.com> References: <20030808145626.80036.qmail@web14914.mail.yahoo.com>
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On Fri, Aug 08, 2003 at 07:56:26AM -0700, Paulo Roberto wrote: > Hello, > > I am about to code my first kmod. I am trying to port an usb camera to > FreeBSD, and since I am new at system development, I hope you don't > mind helping me out. If this is not the correct list I should post, > please point me what list I should post to. > > I got a few questions: > > * Does the 5 series differs too much to from the 4-stable to write a > device driver? I am planning to code for 4.8 (the one I am using now) > and I wonder how hard would it be to port it later to the 5 series. > > * I am reading the developers handbook, is there another good reference > recommended? Any good point of reference for usb/camera > protocols/device drivers? > > * You guys think it is too difficult and I should just give up due to > my lack of experience? And if I manage to code properly, is it too > bureaucratic to get it into the FreeBSD kernel? I wouldn't write a kernel driver for a camera and use ugen(4) instead. The state of ugen is similar in 4.x and 5.x so you don't have to worry about a special version. The most important part is getting informations about the protocol used by your camera. -- B.Walter BWCT http://www.bwct.de ticso@bwct.de info@bwct.de
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