On Mon, 2 Oct 2006, m. allan noah wrote:
> On Mon, 2 Oct 2006, René Kjellerup wrote:
>
> >
> > Hi everyone,
> >
> > The documentation on this seems to be purely
reference for
> > programmers who have used them before...
> >
> > How do one read/write to a usb device (scanner)?
> > Will it return data on invalid commands, and
where?
> > And so on...
>
> depends on the device. some will just lock hard and
require a power cycle.
The device is the Canon CanoScan 4200F
> your best bet is to get it installed on windows with
its native
> driver,
Yeah, but the only problem is, vmware doesn't support
usb2.0, and the
scanner doesn't have good usb1.1 support ( although they say
so ), the
windows platform I have is an XP64, and don't want the
hassle of dual
booting with 2 Windows Systems, since there are no 64-bit
drivers :( (and
Canon is a pain in the back- side when it comes to updating
there drivers,
or even making uniform drivers)
> and then use benoit's sniffusb to get a log of some
simple operations.
> you will likely want to clean up those logs for
readability, there are
> quite a few progs for that running around. i personally
like
> 'spike4.pl' 
>
> >
> > Could I see a general piece of code that I could
use as a template?
>
> generally you want to write a small libusb prog that is
outside of
> sane first. there are a couple examples that come with
libusb. let us
> know some more about the device, and we can give better
pointers...
Thanks, I've just started writing one (reading usb.h was a
bit more helpfull
than libusb's documentation on its own though.)
My Thanks
René Kjellerup
>
> allan
>
> >
> > Best wishes
> > René Kjellerup
> >
> >
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> --
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>
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