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

Garrick Sitongia sitongia@hotmail.com
Thu, 25 Mar 2004 12:33:17 -0800


I modified my /usr/local/etc/sane.d/dll.conf file.
The avision.conf already has the line 'scsi FCPA'

The 'scanimage -L'

No scanners were identified. If you were expecting something different,
[...]

BTW the features I need are both the Flatbed and ADF functionality, and the 
resolutions 150, 240 and 300 dpi.

Garrick

>Date: Thu, 25 Mar 2004 14:06:46 -0500 (EST)
>
>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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