Hi, in the SANE CVS experimental branch, there's also a script for the usb sniffer output. It's based also on Thomas Soumarmon's awk script and has been extended since. @Allan: would you mind if I put spike also to the CVS?
ciao Gerhard On Tuesday 15 February 2005 19:40, m. allan noah wrote: > > attached is a perl script i wrote, it only works with benoit's usb > sniffer, not the usbsnoopy or snoopypro that you get from source forge. > > allan > > On Tue, 15 Feb 2005, Bertrik Sikken wrote: > > > corwin wrote: > >> Hi, > >> > >> I have a CanoScan 3200F (Product Id : 2216) and this scanner are not > >> supported by sane. > >> But i'm very interresting for write a back end. > >> > >> I use "usb snoopy log" for extract usb log under WinXP. And I had writing > >> a > >> perl script (based on awk Thomas Soumarmon's script) for genrate c code > >> for > >> replaying log-script under linux (debian, 2.6.9). > >> For the moment I reading libusb documentation and my first objective is to > >> write a small program (sane independant) for activate the scanner. > >> > >> But actually i'm completly lost into the log data and i don't know how to > >> begin !!! > > > > Zip the logs and put them somewhere on your webpage (if you have one), > > then post a link to the mailing list. This way, other people with > > previous experience in decoding logs can try to see if there is > > something that matches an existing protocol. > > > >> So my questions : > >> > >> Have you a methodology for extract information of data log ? > > > > I think that there is no fixed methodology, you just have to be a > > little creative. > > > > In my experience it helps to look for patterns in the log, like: > > * are there some USB transfers that always appear in some particular > > order? > > * some scanners use a "register model", which means that initialising > > the scanner consists of several write(register, data), which each > > can consist of several USB transfers. See if this applies to your > > scanner and find out the sequence to read or write a scanner register. > > * record lots of logs, where each time a single thing is changed, for > > example record a log of starting the scan software, record a log for > > a scan of 150 dpi, record a log for 300 dpi. If there is an option > > to turn the scanner lamp on or off, record a log of this. > > > > For some scanners, the settings are sent using USB control transfers > > or rather small USB bulk transfers. Try to concentrate on these small > > transfers and don't bother too much yet about the bulky USB bulk > > transfers that contain the image data. > > > >> Where can I found script (perl, ..) for parsing and cleaning log data ? > > > > I don't know of a central place for log analysis scripts. > > > >> Have you trics ? > >> > >> ludovic (corwin) > >> > >> > >> ps: I don't know the model of chips into the scanner and i don't open this > >> because it is one plastic box and there are no visible screw... > >> pps : I'm very sorry for my poor english :( > >> > > > > Kind regards, > > Bertrik
