Re: slmodem source

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Sasha has informed us that while
  --debug=3
is legitimate for debugging purposes, so much resource is used that a
CONNECT cannot be established.
  --debug=2
is the highest that will also allow a CONNECT

MarvS

On Mon, May 12, 2008 at 8:22 AM, zello <zello@xxxxxxxxx> wrote:
> Marvin Stodolsky wrote:
>
> > Gustavo,
> >   The only code available is the slmodem package you are working with.
> > The history is briefly as follows.  Sasha Khapyorsky did the port of
> > the Smartlink code from Windows to Linux, as a contractor to
> > Smartlink.  He never had access to the raw source code  that go into
> > the two precompiled.o (don't have these filenames memorized) that are
> > used in the slmodemd and the slamr.ko.
> >
> > Smartlink still owns the underlying technology, though they have sold
> > the distribution rights to Conexant.  Conexant of course has no desire
> > to support hardware other than their own.  Sasha relates that the
> > current Smartlink management has no interest in further supporting
> > Linux.
> >
> > So for the forseeable future, the slmodem source package is all we have.
> >
> > It was Zello who brought support to the 1057:3052 chipset, merely by
> > adding the 1057:3052 to the recognized chipset list.  This trick does
> > Not work for any of the other Motorola chipsets:  various users have
> > tested.
> >
> >
>
>  1057:3052 works right on my box (and on many others, as the mailing list
> may witness). I keep on connecting at strange speeds (actually at 52.000
> bps, often as 50.600, sometimes at 36.600), maybe depending on the quality
> of the signal (the dsp algorithms may be more sensible to noises - we cannot
> say, since we ain't got the sources [if we got them, I would not likely have
> the skill to understand them: dsp processing is by no means like inserting a
> couple of values in a database, believe me]).
>
>  If you're interested in debugging, please note that:
>  - slamr (and slusb) accepts a parameter "debug" ranging from 0 [default] to
> 3. I don't know about slamr, slusb treats every value different from 0 in
> the same way (printing out a lot of debugging stuff).
>  - slmodem also accepts a -d (or --debug=VAL), and a -l (--log=VAL) command
> line option. I did not look at the code, but it seems to print a lot of
> (really obscure, judging from my poor understanding of the modem algorithms
> and signal processing) stuff.
>
>  Hope this helps, have a nice day.
>
>  --
>  zello
>

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