On Tuesday 14 July 2009 15:04:55 Michael Buesch wrote:
> On a simulated 3axis setup, the following program runs fine and
> evaluates the while loop 10 times as expected.
> But on my one-axis test machine (only one X axis), the while loop
> is only evaluated once. The axis does move correctly, but the loop
> is exited after the first iteration.
>
> Any ideas?
>
> %
> g17 g40 g49 g80 g90 g94 g61 g21
> G54
> #1 = 0
> O1 while [ #1 lt 10 ]
> G1 X10 F1000
> G1 X0
> #1 = [ #1 + 1 ]
> O1 endwhile
> M30
> %
Ah I found out more information on the bug. It's reproduceable as follows:
Start Axis and load the following program:
%
g17 g40 g49 g80 g90 g94 g61 g21
G54
#1 = 0
O1 while [ #1 lt 10 ]
G1 X10 F1000
G1 X0
#1 = [ #1 + 1 ]
O2 endwhile
M30
%
Note the wrong O2 at the endwhile.
Running that corrupt program will result in only one iteration of the loop.
So far expected (more or less.)
But from now on _every_ while loop will be broken, even after ngc program fixup
and reload.
Loading the correct program with the correct O1 endwhile will still only
iterate the loop once until Axis is completely restarted.
--
Greetings, Michael.
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