>> Corresponding web page:
http://amforth.sourceforge.net/TG/recipes/Turnkey.html
The error message is the non-descriptive:
?? -13 23
'Evalue' was found in:
\lib\forth2012\core\avr-values.frt
> On 12/06/2019 01:37, Tristan Williams wrote:
Hello Peter and welcome,
I have just tried the turnkey example from the docs
http://amforth.sourceforge.net/TG/recipes/Turnkey.html
and it works for me.
Your error message[1] ?? -13 23 after the line
' turnkey defer@ Evalue tk.amforth
suggests that you are missing the word Evalue
Yes, it turned out I was on the second flash of AmForth (on a separate
chip), with "Evalue" being
defined on the first chip... (something went wrong and I had to flash
AmForth again).
Have you loaded these files on your mcu?
avr-values.frt
is.frt
ms.frt
defers.frt
as the line
' turnkey defer@ Evalue tk.amforth
depends on words defined in these files.
I have done that now, and it works now! That was probably
the crucial step (though I don't understand why(?)).
I could also define "tk.custom" and set it up with " ' tk.custom is
turnkey ", putting
my main init and infinite control loop in there, all in word
"mainApplication". After a power
cycle, the control loop ran immediately, as it should.
The control loop can be terminated by removing a jumper that pulls a
digital
input low (pulled up externally with 10 kΩ). The jumper is located on
my custom Arduino shield.
Also, connecting the Arduino Uno to USB while in the control loop
(mainApplication) does not
reset the I/O and does not disrupt the operation (unlike normally,
where, even if powered from
a 9 V battery source, connecting will reset - though I cannot rule out
power glitches). When the
jumper is removed the normal interactive stuff is available.
Everything works as it should!!
For this try, I had to flash AmForth a third time (due to another
incident, an unfortunate paste error...)
and used the opportunity to see if I could repeat it. This was also to
automate as much as
possible (.BAT script calling AVRDUDE for the flashing, launching PuTTY
with the profile
for this (38400 baud, etc.), and running several AutoIt scripts for the
source pasting). There were a few corrections.
The fourth time, with a few more changes for automation (mostly focus
changes in Windows), should
reduce it to moving the chip from the ISP programmer to the Arduino and
a single press of Enter
when it has been moved. But this is not needed for this first
deployment, only for subsequent
versions (if there will ever be more). With direct ICSP, just starting
the script should be enough.
: tk.custom
\ Call the previous turnkey action.
tk.amforth execute
\ Now something specific e.g.
\ I_O-setup
mainApplication
;
Regards,
Peter
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