[sane-devel] UNSUPPORTED error on sane_open?????

[m. allan noah]

On 2/16/07, dtlinker at comcast.net <dtlinker at comcast.net> wrote:
> Sorry if this is a stupid question, but I am new to SANE.
>
> How do I crank up the debug level at the command line? I am accessing the backend through a dynamically loaded library.

at the command line:

SANE_DEBUG_DLL=255 yourprogramname --yourprogramargs

all on one line, will put the DLL backend debug info on stderr. you
can do the same for the test backend with SANE_DEBUG_TEST=255
instead/in addition.

allan

>
>  -------------- Original message ----------------------
> From: "m. allan noah" <kitno455 at gmail.com>
> > try cranking up the debug level at the command line. especially on the
> > DLL and TEST backends.
> >
> > allan
> >
> > On 2/16/07, dtlinker at comcast.net <dtlinker at comcast.net> wrote:
> > > I am writing a GUI for SANE for Mac OS X.
> > >
> > > I perform a sane_init, and get reasonable results back. I pass NULL as the
> > authorization pointer.
> > >
> > > I perform sane_get_devices, and am able to traverse the results and find
> > test:0 and test:1 and all the associated information.
> > >
> > > When I try sane_open, using either of the devices I found above, I get
> > SANE_STATUS_UNSUPPORTED as the result, and the handle is NULL.
> > >
> > > What does this mean, and how do I fix it???
> > >
> > > I looked at the source for the test devices and scan_open, and there is no
> > situation where they return SANE_STATUS_UNSUPPORTED, so how do I get it, and
> > what do I do to fix it?
> > >
> > > Thanks
> > >
> > > --
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> >
> >
> > --
> > "The truth is an offense, but not a sin"
> >
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>


-- 
"The truth is an offense, but not a sin"