Martin Rosenau wrote:
> Hello.
>
> Many laptops have so-called soft modems. These are more or less just a third
> output channel and input channel of the sound card and a few extra
> functionality (e.g. hook relay simulation or ring detection). Most AC'97
> based chipsets have such a modem.
>
> The actual data transfer is done by "calculating" the "sound" that the modem
> would produce and sending it over the telephone line. The sound coming
> through the line is interpreted to get the data.
>
> a) Do drivers for such devices exist ?
> b) If no: Is anyone interested in joining developing a driver software for
> soft modems under Solaris?
>
I'm not aware of any drivers, and even under Linux, there are many such
modems for which no drivers exist or for which only closed source
drivers (cf Linuxant) exist.
In my experience, these devices are fairly complex (or maybe it is the
modem signaling that is complex), and as a result, it is a _big_
undertaking to write a soft modem, especially if you do not have
technical documentation from the modem manufacturer.
What _might_ be a more practical approach, would be to take a look at
one or more of the closed source binaries for Linux, and wrap them ala
NDIS, so that we could make use of the drivers that have already been
written.
-- Garrett
> Martin
>
>
> This message posted from opensolaris.org
> _______________________________________________
> laptop-discuss mailing list
> laptop-discuss at opensolaris.org
>
--
Garrett D'Amore, Principal Software Engineer
Tadpole Computer / Computing Technologies Division,
General Dynamics C4 Systems
http://www.tadpolecomputer.com/
Phone: 951 325-2134 Fax: 951 325-2191
