[ale] quick way to raise DTR on serial port?
cfowler at outpostsentinel.com
Wed Dec 29 09:33:13 EST 2004
That is a good idea.
You can also run a program like minicom.
Run minicom on that port and tie pins 2 & 3 together with a wire. This
will loopback. What you type you'll see.
On Tue, 2004-12-28 at 10:17, Doug McNash wrote:
> Opening the tty port should raise DTR if the bit rate is non-zero so
> stty 9600 -hupcl < /dev/ttyS0
> should do it. Use stty hupcl if you want to turn if off after close.
> sleep 1 < /dev/ttyS0 to pulse it for about a sec.
> On Mon, 2004-12-27 at 12:43, 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.
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> Ale at ale.org
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