> > The kernel already has code to handle AT commands, as part of
> > the modem emulation included with the ISDN drivers. You can
> > share it, to avoid bloat and bugs. (there were buffer overflows
> > at one time)
>
> Just curiosity, but how well is the particular set of AT commands
> supported by this code documented? I've seen so many variations on the
> so-called "Standard AT Command Set" that I always want to see them
> documented first.
It's documented in the obvious place (Documentation/isdn/<something I forget>).
> Also, how easy would it be to separate the AT handling code from the
> ISDN modem emulation code so it could be used with more than one
> underlying device?
Have a look at drivers/isdn/isdn_tty.c and find out.
MfG Kai
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