[ale] quick way to raise DTR on serial port?

[Christopher Fowler]

Easier then that.  A simple open() will raise DTR

Try cat > /dev/ttyS?


That will open the port and cause DTR to be raised.

On Mon, 2004-12-27 at 12:56, Benjamin Scherrey wrote:
> You can do it in python easily if you have pySerial ( 
> http://pyserial.sourceforge.net/ ) installed.
> 
>     Good luck,
> 
>        Ben Scherrey
> 
> Christopher Bergeron wrote:
> 
> > Does anyone know of a quick/simple/easy way I can raise the DTR signal 
> > on my serial port?  I'm trying to determine if the port is bad.
> >
> > I can't seem to think of a way to do it with a bash script.  Is there 
> > a command I can send from within Minicom?  Or doe  anyone have a few 
> > lines of C or similar code that could do it?  Is there a gtk app that 
> > will let me toggle serial pins?
> >
> > Anyone have any ideas?
> >
> > Thanks in Advance!
> > -CB
> >
> >
> > P.S.
> > I'm at the console of the box, I'm not connected to a serial tty.
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> >
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