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

Garrick Sitongia sitongia@hotmail.com
Thu, 25 Mar 2004 14:47:13 -0800


Sees that almost everything works now using avision backend. I can set 
brightness, contrast, scan color, gray scale, batch mode, and I didn't have 
the double-page feed problem that I initially had with the sp15c.

Only thing, it seems to be stuck on using the ADF, even if I use 'scanimage 
--source Flatbed ...'. Also trying XSane with "Flatbed" selected I get the 
error "Document Feeder out of Documents".

Garrick

>Date: Thu, 25 Mar 2004 16:07:20 -0500 (EST)
>
>ahh, now that i look at the avision backend, i see that it only mentions
>scanpartner units up thru the 600, but not the 620.
>
>you could try adding a new block for the 620c down near line 900 of
>avision.c and recompile. just copy the 600 block.
>
>if that does not work, you might try setting the 0 at the end of the block
>to AV_FUJITSU (like the 15c is a few lines above)
>
>i have only done a cursory glance at this code, so it may not work, but
>its is worth a try :)
>
>allan
>
>On Thu, 25 Mar 2004, Garrick Sitongia wrote:
>
> > 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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