> Strange! Are you on the master branch? There were some bad hm2 stepgen
> ferror problems in early 2.3 releases. The latest official 2.3 release
> and the current trunk/master branch have all the fixes.
>
Yes I am using master. I have last pulled as of yesterday.
from dmesg
hm2 driver version .15
hm2-pci version .6
of course it doesn't mention the firmware version.
but i check the system link and it links to my
2.3 development version.
>
> > INI file:
> > http://pastebin.com/m4044cb6
> >
> > Hal file:
> > http://pastebin.com/m2fa4c0ba
>
> These look ok to me, nothing obviously wrong sticks out.
>
>
> > I will try to supply any other info as requested. Thanks for any
> > help.
>
> Can you supply a halscope trace (of position-command, position-feedback,
> and ferror), showing the behavior? It'd be interesting to see both
> jogging and MDI moves, and fast and slow.
>
I see why faster moves error less often.
because the follow error limit is adjusted larger for rapid moves
if I set the acceleration low I would run out of axis before
an error occurred. So that seems to say to me that the step driver
is not accelerating enough on the negative direction. there is a
distinct difference in directions!.
There is a difference from jogging and g0 moves.
I can see in both in the acceleration phase the following error is big
and gets bigger (negative direction here) in jogging this error never
comes back.
In G0 moves during the cruise phase it comes back and looks good.
In the positive direction i see the same thing (error is worse in acceleration
actually looks like a sawtooth, then gets good in cruise) it just is magnitudes
less.
I guess I need to send you a halscope file?
sending a screenshot seems worthless as it just shows that it errored
because of following error. ( I triggered it on x enable going low)
I could send you the config files and you try it your self.
You have a 5i20 I'm sure?
Chris Morley
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