[sane-devel] usbsniff

[Roland Graf]

Hallo Pierre,

the testprogram gives me only an:

roland roland # /home/roland/Doku/G4010/testprog
Fatal: Device not found!
roland roland #

With #lsusb I can see the scanner. I
Best regards

Roland



Am Samstag 07 Februar 2009 21:55:11 schrieben Sie:
> Roland Graf schrieb:
> > Hallo Pierre,
> >
> > was it possible to decode my log?
> >
> > Thanks
> >
> > Roland
>
> Hello Roland,
>
> try this "small" program. If i got it right, this should replay your
> usbsniff. It will dump any data received on stdout, so it should
> probably be redirected into a file. All you need is a working libusb and
> compilation environment, compilation is done by the usual "make".
>
> A quick way to view the resulting data is to convert it into a
> portable-gray-map(.pgm) by prepending "P5 <width> <height> 255 " or "P5
> <width> <height> 65535 " (note the final space), depending on whether
> you want to see the data interpreted as 8 bit or 16 bit. If the byte
> order is not correct for 16 bit, just add another space before the
> "real" data(the least significant byte can be ignored for now). For
> <width> and <height> you need to experiment. "xv" and "display" are able
> to show 16 bit pgm.
>
> I did not have a close look at the actual mode the gl843 is programmed
> to, but for cis sensors, color information is transfered in three lines,
> each line taken with one of the three led colors, for ccd sensors the
> usual per pixel color information is used.
>
> Regards,
>   Pierre