Re:pncconf - feature requests

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05 Aug 2012 00:57 #22833 by cmorley
hmm my art got screwed up - i think i get it anyways. thanks

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05 Aug 2012 01:13 - 05 Aug 2012 01:19 #22834 by PCW
Replied by PCW on topic Re:pncconf - feature requests
3.3V
/
\
/
\
/ <
ANALOG IN
\
/
GND

Ha had to find out how to escape the backslashes...
Last edit: 05 Aug 2012 01:19 by PCW.

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05 Aug 2012 01:18 #22835 by cmorley
you jedi powers are strong :) thanks

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27 Nov 2012 21:49 - 27 Nov 2012 22:24 #26992 by Psykhon
Replied by Psykhon on topic Suggestion
I have been having some issues with 5i25 and G540. It turns out that timing parameters are too tight in pncconf and with a small increase, everything is smoth, here are the minimun values that works:
DIRSETUP   = 250
DIRHOLD    = 250
STEPLEN    = 1100
STEPSPACE  = 2100

So my suggestion is if this can be taken as defaults in pncconf when a 5i25 and G540 combo is selected

Regards
Last edit: 27 Nov 2012 22:24 by Psykhon. Reason: typo

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27 Nov 2012 22:23 #26994 by Psykhon
Replied by Psykhon on topic Suggestion
in this post you can see how I made the 5i25 generate the charge pump for G540 with losts of help from PCW, I guess this will also be a good addition for pncconf

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29 Nov 2012 02:11 #27054 by PCW
Replied by PCW on topic Suggestion
Chris, if you change the G540 timings, I would suggest:

DIRSETUP = 700
DIRHOLD = 700
STEPLEN = 1500
STEPSPACE = 2500

As these are steplen and stepspace values that will not impact the maximum the G540 step rate of 250 KHz, and theres no reason for the setup and hold times to be so small. With these timings, all signals have 500 ns margin from the G540 minimums.

(250 KHz is somewhat unlikely also since this is 7500 RPM!)

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29 Nov 2012 11:44 #27067 by cmorley
Replied by cmorley on topic Suggestion
Thanks guys!
I pushed the timing fix to 2.5 so it will wok its way to master.

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22 Dec 2014 20:48 #54214 by LAIR82
Replied by LAIR82 on topic Suggestion
Hello Chris,

I know you do a lot of work on the pncconf, I was just wondering if there was any work being done on adding the 7i80 to the configurator, or is still too unstable to add to the mainstream of things.


Thanks


Rick

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23 Dec 2014 10:43 #54248 by cmorley
Replied by cmorley on topic Suggestion
It won't be added to 2.6 series.
I will see about 2.7 though.

Too late for you I suppose :(

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24 Dec 2014 23:01 #54294 by LAIR82
Replied by LAIR82 on topic Suggestion
No problem on my end,

I honestly haven't used this utility on a single build yet, they are always off the wall, out in left field builds. But I do have 3 more retrofits lined up now, so I still have a lot of work to do ahead.


Thanks

Rick

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