Re: [PLUG] Camera software

[Greg Lopp <lopp@pobox.com>]

One might assume that it enumerates as a "composite device" - i.e. it 
presents itself as multiple devices to the host.  On interface would be 
the standard mass storage device interface, the other would probably be 
HID(human interface device) for the button only.

No doubt there exists a Windows driver/app that sees this kind of card 
reader, polls for the button press and performs a copy operation as a 
result.   

Agreed, that shouldn't be hard to get to and respond to.


Dan Crosta wrote:
> I haven't played around with this at all, but my card reader (SanDisk 
> SDDR-92) has a button on it that you might be able to get to, and use 
> that to trigger similar file dumping... as I said, I have no idea how 
> one might do that, I've never tried (ahh, the "joys" of Mac OS X)
>
> dsc
>
> On Jun 20, 2006, at 1:01 PM, <edward.pike@thomson.com> 
> <edward.pike@thomson.com> wrote:
>
> > for more ease when I plug the cards
> > I scan the usb devices with "lsscsi", parse
> > that, automatically mount them, and slurp the files with
> > some perl program..all activated by a serial button
> > (parsled).  can be done headless.
> >
> > ep
> >
> > -----Original Message-----
> > From: plug-bounces@lists.phillylinux.org on behalf of Dan Widyono
> > Sent: Tue 6/20/2006 12:59 PM
> > To: Philadelphia Linux User's Group Discussion List
> > Cc: Daniel Widyono
> > Subject: Re: [PLUG] Camera software
> >
> > I'll second Dan's suggestion (USB card reader).  No need to use up 
> > camera
> > batteries, I don't have to find that special cable to hook up my Canon
> > PowerShot A510 to the USB port, and sometimes gphoto2 locks up my 
> > camera if I
> > type the wrong commands in.
> >
> > With the USB card reader, it's just another dumb USB external drive, 
> > and I
> > use rsync to pull the latest and greatest photos into my local 
> > storage area.
> > OK, maybe just latest.
> >
> > Dan W.
> >
> > On Tue, Jun 20, 2006 at 12:20:23PM -0400, Dan Crosta wrote:
> > > I'd also recommend a cheap (~ $10) memory card reader + usb-storage. I
> > > have several cameras which all use compact flash, so it made sense for
> > > me, and with ubuntu it just shows up on your desktop when you pop a 
> > > card in.
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