Re: [MiNT] ioctl.h

[Mark Duckworth <mduckworth@atari-source.com>]

On Mon, 2005-10-10 at 15:45 -0500, Evan Langlois wrote:

> TIOCMGET retrieves the status of serial port signals, and TIOCMSET will
> set them, such as DTR and RTS.  MiNT has the first (but only a hack -
> may not work on anything but the first serial port) as part of
> Ssystem(), but not the second at all.
> 
> > Is there much I can do about this ?
> 
> I don't think so.  I don't believe mint supports these itself.  You'd
> likely have to replace the call with something Atari specific. The
> situation looks grim as far as getting instant access to the state of
> the serial control signals.  Just hacking the source to your app as a
> work-around and faking whatever its trying to do signal-wise may be
> easier.  Supporting this properly looks like it would require changing
> the drivers to actually query the hardware registers for the
> information, adding an OS calls to get it, adding a mintlib function to
> call the OS, etc.

You can just plugin HSModem calls into the source.  It'll require some
mild hacking though.

Thanks,
Mark