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RE: stty under cygwin


> -----Original Message-----
> From: cygwin-owner  On Behalf Of Christopher Faylor
> Sent: 21 April 2004 17:35

> On Wed, Apr 21, 2004 at 04:55:31PM +0100, Dave Korn wrote:
> >> From bertrand marquis
> >> Sent: 21 April 2004 16:41
> >
> >> i need to use stty to send commands through the serial port 
> >> under cygwin:
> >
> >  That's not what stty is for.
> >
> >> stty 
> >> 1:0:cbd:0:3:1c:7f:15:4:5:1:0:11:13:1a:0:12:f:17:16:0:0:0:0:0:0
> >> :0:0:0:0:0:0:0:0:0:0 
> >> < /dev/ttyS0
> >> 
> >> but stty answer me that 1:...:0 is a wrong argument ?
> >> I'm using the last version of cygwin and the serial port is working
> >> 
> >> anyone has an idea ?
> >
> >#1:  You've completely misunderstood stty.  It allows you to 
> set parameters
> >such as baud rate, flow control, char translation, etc. for 
> a serial port.
> >It's not for sending data in or out of it.
> >
> >#2:  That string of colon-separated hex numbers doesn't mean 
> anything to
> >stty.  None of the arguments it understands come in that form.
> 
> Actually this looks like a standard way to save and restore tty state.
> You take the output from 'stty -g' and use it for input to stty later.
> Try it.

  Oooh!  That's new on me, and not something that's very obvious from the
help output or the man page or info at a brief scan through.  A slightly
under-documented feature!

> I suspect that the OP is trying to take stty output from linux and use
> it on cygwin, though.  That won't work.

  My real problem with understanding his post was the wording "send commands
*through* the serial port".  I expected that to mean sending commands
through the serial port (to some connected device) rather than *to* the
serial port.  Such are the problems of international communication.... :)


    cheers, 
      DaveK
-- 
Can't think of a witty .sigline today....


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