Open source, stand alone, ASCII terminal project
ard at p850ug1.demon.co.uk
Wed Dec 3 16:18:53 CST 2008
> On 2 Dec 2008 at 21:31, Tony Duell wrote:
> > However, a terminal should only need TxD and RxD (if it _requires_
> > hardware handshake, then it's not going to work with an awful lot of
> > things that work with a real VT220). In which case all you need to be
> > able to do is swap over those 2 pins, taking a simple DPDT switch.
> > Sometimes a simple solution exists :-)
> Why not simply use a made-for-the-purpose T-switch? Is turning a
> knob too difficult?
Err, isn't that what I was suggesting. A simple double-pole changeover
switch with the fixed contacts cross-connected so as to swap TxD and RxD.
Finding a ready-wired switch is probably a lot harder than soldering in
those 2 links.
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