From: Greg KH <greg@kroah.com>
To: Brad Parker <brad@parker.boston.ma.us>
Cc: Gabriel Ricard <g_ricard@yahoo.com>,
linuxppc-dev@lists.linuxppc.org, linux-usb@suse.com
Subject: Re: [linux-usb] Re: USB Device Driver Development Resources
Date: Fri, 3 Mar 2000 14:33:47 -0800 [thread overview]
Message-ID: <20000303143347.D21458@kroah.com> (raw)
In-Reply-To: <200003032108.QAA25344@p2.parker.boston.ma.us>; from brad@parker.boston.ma.us on Fri, Mar 03, 2000 at 04:08:39PM -0500
On Fri, Mar 03, 2000 at 04:08:39PM -0500, Brad Parker wrote:
>
> Gabriel Ricard wrote:
> ...
> >I'm looking to write a device driver for my Keyspan
> >USB -> Mac Serial adapter so I can attempt to use my
> >DeLorme GPS device under Linux (another step to aid me
> >in eliminating my need for MacOS). I think I posted to
> >this mailing list a while back asking for info, I'm
> >not sure.
>
> I want to do the same. I contacted Keyspan and they said "huh -
> interesting" and I've heard nothing since. That was 2-3 weeks ago.
>
> The 2 port keyspan fob I have (USA28X) uses the Anchor EXUSB chip.
> This means it needs code downloaded to it. My hope was that Keyspan
> would release a binary image (srecs) of their code load and we could
> include it in the Linux driver. This assumes they use a standard USB
> interface to the serial ports...
There is no "standard" way to interface USB to serial. Every vendor does
it differently. You can thank Microsoft for that big problem (it's a
long story, ask me if you're curious.)
But there is a person working on a Linux driver for this device without
the help of Keyspan. His name is Brian Warner, and hopefully there will
be some code for you to play with soon (right Brian? :)
He is writing his own AnchorChip code for the device and the driver will
download it to the converter, eliminating the need to reverse engineer
Keyspan's vendor specific protocol. A very cool hack.
greg k-h
greg@kroah.com
** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/
next prev parent reply other threads:[~2000-03-03 22:33 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-03-03 18:07 USB Device Driver Development Resources Gabriel Ricard
2000-03-03 21:08 ` Brad Parker
2000-03-03 21:35 ` [linux-usb] " Vojtech Pavlik
2000-03-03 22:33 ` Greg KH [this message]
2000-03-03 22:41 ` Greg KH
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