This is the mail archive of the
ecos-discuss@sources.redhat.com
mailing list for the eCos project.
RE: USB Help
- From: Patrick Doyle <WPD at dtccom dot com>
- To: "'Rupesh S'" <rupeshs at myw dot ltindia dot com>, ecos-discuss at sources dot redhat dot com
- Date: Wed, 16 Apr 2003 10:20:14 -0400
- Subject: RE: [ECOS] USB Help
Thanks for the tips. I have Jan Axelson's book, so it's good to hear a
positive review from somebody else. I also found the Communications Device
Class spec (once you pointed me in the right direction), so I know where to
start.
Thanks again...
--wpd
> -----Original Message-----
> From: Rupesh S [mailto:rupeshs at myw dot ltindia dot com]
> Sent: Monday, April 16, 2001 10:41 PM
> To: Patrick Doyle; ecos-discuss at sources dot redhat dot com
> Subject: Re: [ECOS] USB Help
>
>
> ----- Original Message -----
> From: "Patrick Doyle" <WPD at dtccom dot com>
> To: <ecos-discuss at sources dot redhat dot com>
> Sent: Wednesday, April 16, 2003 6:43 AM
> Subject: [ECOS] USB Help
>
>
> > I am starting a project in which we are building a device
> that will, on
> > occasion, need to connect to a Windows PC to download control and
> > configuration information via USB. Since I don't want to
> have to write
> (and
> > maintain!) any windows device drivers, I thought I would
> make my device
> show
> > up as a "standard" RS-232 USB device. I was wondering...
> >
> > 1) Is this feasible?
>
> It is very much feasible,
>
> > 2) Can anybody give me a good starting point to come up to
> speed quickly
> on
> > USB? (Right now, I can't even spell USB, but that will
> change rapidly.)
>
> Jan Axelson's "USB Complete" is the best starter for USB.
>
> > 3) The Windows application developers are all Java
> developers, and they
> are
> > excited about the possibility of communicating with the
> device via COM7
> (or
> > whatever). Is there a better approach that I should consider?
>
> windows has got support for virtual COMM Port driver (through USB).
>
> > Any hints will be greatly appreciated.
>
> Fortunately for u, the Emulated COMM Ports falls under a
> standard "Device
> Cass" as referred by usb.org. Go through the "Communiation
> Class Device"
> specification. U'll get this from usb.org. if u r not ble to
> get it.. tell
> me,, I can send u.
>
> All u got to do is to write a firmware for ur USB device so
> that it matches
> the USB CDC class.
> Windows drivers will be loaded automatically, when u connect
> ur devic ewith
> the above software.
>
>
> > --
> > Before posting, please read the FAQ:
> http://sources.redhat.com/fom/ecos
> > and search the list
> archive: http://sources.redhat.com/ml/ecos-discuss
> >
>
--
Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
and search the list archive: http://sources.redhat.com/ml/ecos-discuss