Hi!
> > > They might also be exactly the same channel, except with certain magic
> > > bits set. The example peter gave was fine: tty devices could very usefully
> > > be opened with something like
> > >
> > > fd = open("/dev/tty00/nonblock,9600,n8", O_RDWR);
> > >
> > > where we actually open up exactly the same channel as if we opened up
> > > /dev/cua00, we just set the speed etc at the same time. Which makes things
> >
> > Hmm, there might be problem with this. How do you change speed without
> > reopening device? [Remember: your mice knows when you close device]
>
> If you implement it as a filesystem you coould have a settings file in the
> tty filesystem. Something like this:
>
> echo "115200" > /dev/tty/settings
You can currently do
stty 115200
or
stty 19200
when your stdin is serial port. If it is filesystem, you'll have hard
time finding *which* of serial ports it is, followed by opening it.
What about this?
bash < /dev/ttyS0 &
rm -r /dev/ttyS0
how does bash change speed of serial line, then?
Pavel
-- The best software in life is free (not shareware)! Pavel GCM d? s-: !g p?:+ au- a--@ w+ v- C++@ UL+++ L++ N++ E++ W--- M- Y- R+ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Wed May 23 2001 - 21:00:32 EST