[sane-devel] VIDAR Digitizer

[Mark Thurston]

Dear Sane developers

 > Make some scans with the scanner on windows, and capture the USB 
 > packets with wireshark. Then put the wireshark logs up on the web for 
 > others to look at, while you attempt to make sense of them too :) 

Thanks Allan for your advice. I've finally managed to capture some logs.

I'm trying to make sense of them now using Wireshark. Any help/pointers would be much appreciated, as I'm pretty new to this.

I've uploaded them to here:

https://mdvthu.com/files/Scanner_output.pcap
https://mdvthu.com/files/Scanner_output.tif

Best wishes

Mark
 

 >  
 > On Fri, Oct 13, 2017 at 12:46 PM, Mark Thurston <mark at mdvthu.com> wrote: 
 > > Dear developers 
 > > 
 > > I've got an obscure scanner which I really need to get working and I'm prepared to get my hands dirty but I can't find much documentation. 
 > > 
 > > Any tips/pointers would be very helpful. 
 > > 
 > > It's a Vidar Diagnostic Pro digitizer -- used in radiology to scan X-rays from old radiographic film. As you can imagine, it's quite a niche product. 
 > > 
 > > Output: 
 > > 
 > > # dmesg 
 > > [  179.813929] usb 1-2: USB disconnect, device number 6 
 > > [  181.783329] usb 1-2: new high-speed USB device number 7 using xhci_hcd 
 > > [  181.933595] usb 1-2: New USB device found, idVendor=0c58, idProduct=0100 
 > > [  181.933599] usb 1-2: New USB device strings: Mfr=1, Product=2, SerialNumber=3 
 > > [  181.933602] usb 1-2: Product: VIDAR Film Digitizer 
 > > [  181.933605] usb 1-2: Manufacturer: VIDAR 
 > > [  181.933607] usb 1-2: SerialNumber: 300000 
 > > 
 > > ~ # sane-find-scanner 
 > > 
 > >   # sane-find-scanner will now attempt to detect your scanner. If the 
 > >   # result is different from what you expected, first make sure your 
 > >   # scanner is powered up and properly connected to your computer. 
 > > 
 > >   # No SCSI scanners found. If you expected something different, make sure that 
 > >   # you have loaded a kernel SCSI driver for your SCSI adapter. 
 > > 
 > > found USB scanner (vendor=0x0c58 [VIDAR], product=0x0100 [VIDAR Film Digitizer]) at libusb:001:007 
 > >   # Your USB scanner was (probably) detected. It may or may not be supported by 
 > >   # SANE. Try scanimage -L and read the backend's manpage. 
 > > 
 > >   # Not checking for parallel port scanners. 
 > > 
 > >   # Most Scanners connected to the parallel port or other proprietary ports 
 > >   # can't be detected by this program. 
 > > 
 > > unfortunately it is not listed on # scanimage -L 
 > > 
 > > If I make any progress (with or without help), I would like to submit my work back to the project. I have some experience in C and Python and am prepared to learn as needed. 
 > > The alternative is a very expensive proprietary closed source vendor solution with unreliable support and a poor security update record. 
 > > 
 > > Best wishes 
 > > 
 > > Mark 
 > > 
 > > 
 > > 
 > > 
 > > 
 > > -- 
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 >  
 >  
 >  
 > --  
 > "well, I stand up next to a mountain- and I chop it down with the edge 
 > of my hand" 
 >