Write/ Read Keys problem

hi all,
I am looking for your advise for the attached vi for writing/ reading keys.
Facing problem:
Since the input/ output is of cluster of mixed control types, I am having problem to write & read all settings correctly. I am sure that I must have missed out something IMPORTANT
I have tried indexing "TypeDesc" to Variant's "Type" input as well as Fixed it DBL/ I32. However, both methods do not seem working well. I am still having problems with "Use Dirty Transmitter"(Boolean) and "arrays" types.
Any suggestion would be very much appreciated.
Best regards
ian.f
Ian F
Since LabVIEW 5.1... 7.1.1... 2009, 2010
依恩与LabVIEW
LVVILIB.blogspot.com
Attachments:
P&P_Update_2t.vi ‏145 KB

Hi Ian.f,
I always welcome the chance to help a fellow enthusiast. Unfortunetly I think I will be of limited use.
First let me say that the best resource to answer this question is probably Jeane-Piere Drolet becuase I think he has cracked this nut in some of his code from "OpenG".
That being said, let me do what I can for now. There are a number of issues that are hitting you. First is the arrays. You are currently reading them as a variant and attempting to convert (this is where Jeane-Piere may be able to help). The data is coming to you as a variant because the array of refnums for the cluster are generic types that handle all data types. If you use a "to more specific" node you can convert these nodes to the actual class of data used. The complication them becomes "which tpye do I convert which ref to?" Agian I think Jeane-Piere has got this figured.
I have accomplished what you appear to be attempting in a more specific fashion. I will try to outline my approach below.
1) Make the cluster a strict type def. My appraoch usese the same cluster in more than one place and this will simplify support.
2) Instead of using refnums to the individual cluster elements, use a refnum for the entire cluster.
3) When trying to update the cluster, update the ENTIRE cluster. I have not figured out how to update just a part of a cluster using control refs.
4) When trying to save use a "unbundle" by name to break-out your parts and save them as required for each type.
5) For the arrays I will create a new section for each array. In that section I will have at minimum a field called "number_of elements" or similar. This filed will get the array length. If there are elements in the array, I will start writing them as "element1",..
This gives me enough data to put things back together at restore time.
I am curious how you end up solving this challenge. I have successfully written code that will automatically locate all of the controls and indicators on the front panel of a VI of my choosing and save/restore them from file BUT, it does not support the complex data types like clusters and arrays. I still have to do these explicitely.
I will watch this question to see if I can help or learn more.
Ben
Ben Rayner
I am currently active on.. MainStream Preppers
Rayner's Ridge is under construction

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2 neu object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
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3 neu object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
4 object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
4 neu object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
5 object.getCoContent(): null
5 neu object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
6 object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
6 neu object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
7 object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
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8 object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
8 neu object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
9 object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
9 neu object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
10 object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
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12 object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
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13 object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
13 neu object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
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14 neu object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
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15 neu object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
16 object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
16 neu object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
17 object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
17 neu object.getCoContent(): CoFlexTyp[ID=16226.0 Name=Checkthisout, Object-Id=19618.0]
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Message was edited by:
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MichaelS wrote in news:506500000008000000F7980000-
[email protected]:
> I converted 2D array into a spreadsheet string and attempetd to write
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Attachments:
Variant config test.llb ‏1507 KB
Options test.txt ‏1 KB

OK,I feel a bit on an idiot because I got the filename wrong in the VI.
Anyway, I tried it in 8.5 (I only have 7.1 at home) and I can see exactly where the problem is. In 8.5 it gives an error rather than a complete crash.
I've attached a much simplified version. I get Error 116:
"Error 116 occurred at Flattened String To Variant in Variant config test2.vi
Possible reason(s):
LabVIEW: Unflatten or byte stream read operation failed due to corrupt, unexpected, or truncated data.
Any idea what's going on?
Jon.
Attachments:
Variant config test2.vi ‏17 KB
Options test.txt ‏1 KB

Write/ Read Keys problem

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