On Tue, 2013-11-05 at 20:05 +0100, Matthias Trute wrote:
> Hi Craig,
>
> > It doesn't matter if I execute key interactively or put it into a
> > new word definition. It always hangs.
>
> Pressing Ctrl-C and restarting the shell works for me. But nothing
> else..
>
> >
> > What am I doing wrong?
>
> Nothing. The shell has a bug that prevents KEY from working.
> I'm afraid a bugfix is not that simple.
Am I right in assuming that the problem here is that words that expect
interactive input over the terminal hang the shell because the shell is
looking for the next amforth prompt to verify the current line was
correctly received and processed?
My suggestion to handle this situation would be to do too things:
1. Add a #terminal directive that starts a terminal connected to
the target over the serial line. If this terminal can be
extremely simplistic and included in amforth-shell itself that
would be ideal. When the user exits the terminal they get back
to the shell.
2. Add a customizable list of words which should automatically
trigger the terminal when they are sent to the target. The user
could then interact with the target as appropriate and manually
exit the terminal to get back to the shell when appropriate.
--- Keith
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