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Re: [vox-tech] need help with a windows app :(
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Re: [vox-tech] need help with a windows app :(

On Tue, 18 Sep 2001, Peter Jay Salzman wrote:

> begin: Jeff Newmiller <jdnewmil@dcn.davis.ca.us> quote
> > On Tue, 18 Sep 2001, Peter Jay Salzman wrote:
> > 
> > > hello all,
> > > 
> > > i'm trying to reverse engineer the protocol for the polaroid pdc 700 digital
> > > camera (currently unsupported by gphoto).
> > > 
> > > i'm using "comlite32" to snoop on the serial port of a windows machine while
> > > downloading thumbnail images from the camera.  it gets the data, and in
> > > fact i THINK i may have the init string that this camera uses to identify
> > > itself to windows applications.
> > > 
> > > the problem is comparing saved buffer files.
> > > 
> > > * they aren't written as text files, so i can't simply scp them over to a
> > >   linux box and view them.
> > 
> > scp is perfectly happy with binary files.
> yes, but i can't view them once they get scp'ed over.  i guess i was a bit
> vague.  i should've written
> they aren't written as text files, so although i can scp them over to a linux
> box, it would be like looking at a word document with vi.   :)

hexdump with options.

> > > * there doesn't seem to be an "export to text file" option.
> > 
> > Crappy software. :)
> > 
> > > 
> > > * comlite32 doesn't seem to be able to send its buffer to a printer!
> > 
> > This is windows software? Did you pay for it? If not, did you expect it to
> > be useful?
> yeah, it was free.  but so's linux.    :*)

On Windows, it is ethically deviant to provide free fully functional
software.  Bilge says so.

> > You could a) wire to /dev/ttyS0 from the Winbox with a null modem and wire
> > from /dev/ttyS1 to the camera with the camera cable, and use sersniff
> > (http://www.earth.li/projectpurple/progs/sersniff.html) or equivalent, or
> > b) borrow the sniffing cable from me if hardware handshaking is a problem
> > and record the data streams as they go by.  To get synchronization in
> > option b, you might need to write a program to monitor both serial ports
> > (or modify sersniff).
> thanks jeff, expect a phone call from me either tonight or tomorrow.  :-)


Jeff Newmiller                        The     .....       .....  Go Live...
DCN:<jdnewmil@dcn.davis.ca.us>        Basics: ##.#.       ##.#.  Live Go...
                                      Live:   OO#.. Dead: OO#..  Playing
Research Engineer (Solar/Batteries            O.O#.       #.O#.  with
/Software/Embedded Controllers)               .OO#.       .OO#.  rocks...2k

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