[NCLUG] USB Support Recap

[jdewitt at mail.frii.com]

Sorry, I meant that when I press the sync button once, 
the script is spawned at least four times.


> I've been working on a similar problem - syncing a
> kodak 3500 via a usb cradle with a sync button.
> 
> The hotplug package provides a mechanism for starting
> a script when a new usb device appears on the bus.
> It is standard in Redhat 7.x (krud?).
> 
> This page is a good start:
> http://jphoto.sourceforge.net/?selected=sync
> 
> In short, you add an entry to /etc/hotplug/usb.usermap
> which describes the device in some crazy usb language,
> and gives a script name. The script should be in /etc/hotplug/usb.
> 
> I'm not sure how to get the complete set of codes for a 
> usb device for usb.usermap, but the system seems to recognize 
> this camera with just the vendor id and the rest of the digits 
> set to zero YMMV.  You might look in /proc/bus/usb/devices while
> the device is plugged in and trying to sync.
> 
> Now, my current problem is that the system runs my script when I
> press the sync button about four times.  This is bad. Does anyone 
> know if a simple lock file check in the script is sufficient and 
> the right thing to do?
> 
> Thanks,
> JD
> 
> 
> > > with it yet.  Then we'll go after the USB-cradled Visor and see if 
it'll
> > talk
> > > to KPilot.
> > 
> > Major problem with the USB cradled Visor -- the way it's set up, it only
> > 'attaches' when you hit HotSync on the visor end, and Kpilot doesn't like
> > talking like that.  At the time I was working with it, the only
> > 'workarounds' were to either buy a straight serial cradle, or have fast
> > enough fingers to start the sync on the computer side right after syncing 
on
> > the visor.
> > 
> > --mec
> > 
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