[sane-devel] sane-sp15c and Fujitsu 620c: Help needed for plumbing backend t

[m. allan noah]

put a # in front of the sp15c line in /etc/sane.d/dll.conf to stop loading 
it. make sure the avision line does not have a #

try scanimage -L to see if the avision backend sees the scanner. if not, 
it may need a line in avision.conf that says 'scsi FCPA'

allan

On Thu, 25 Mar 2004, Garrick Sitongia wrote:

> When I run scanimage, sane chooses the backend to use based on autodetection 
> result. How do I direct it to using the avision backend?
> 
> Garrick
> 
> >Date: Thu, 25 Mar 2004 11:17:06 -0500 (EST)
> >
> >
> >another option might be to try the avision backend instead. it does not
> >support all of the fetures of the sp15/300/600, but it may have better
> >support for the features you need.
> >
> >allan
> >
> >On Thu, 25 Mar 2004, Garrick Sitongia wrote:
> >
> > > The brightness and contrast levels are presently not supported by the 
> >sp15c
> > > backend. These are presently hardcoded at 128. But I was able to get it
> > > working in the hardware by adding "scanf" statements in sp15c.c. 
> >Scanimage
> > > stops and I can enter numbers for brightness and contrast each time I 
> >run
> > > scanimage.
> > >
> > >    scanf("%d", &c);    /* my code */
> > >   dev->brightness = c;
> > >   dev->threshold = 128;
> > >    scanf("%d", &c);    /* my code */
> > >   dev->contrast = c;
> > >
> > > How instead do I pass these numbers to the backend from scanimage? Where
> > > scanimage would get them the usual way from command line args?
> > >
> > > Garrick
> > >
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-- 
"so don't tell us it can't be done, putting down what you don't know.
money isn't our god, integrity will free our souls" - Max Cavalera