How to build a table with predifined? Like Huffman decoding, there are 34 predefined tables?

I am trying to use Labview for mp3 huffman decoding. there are 34 predefined tables for lookup purpose. I tried build array control, but it is so hard to assign value with size of 16. What is the better way to create predefined array? And how to do lookup table with Labview?

IMHO, the best way to have something "predefined" is to read this data from a "setup/configuration" file (if you don't want to use "default settings" LV feature). The choice of the format for all the data that you want to store in some kind of configuration file is up to you.
Also, constructing a "lookup table" in LV doesn't seems different as for any other programming language.

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How to build a screen with master detail data

Hi ,expert ,
Someone can teach me how to build a screen with master detail table ?
I wnat to build a screen for user to maintain FERT group and FERT detail list in one screen .
just like this ..
MASTER Block
FERT1
FERT2
FERT3
DETAIL Block
FERT1A1
FERT1A2
FERT1A3
when I double click FERT1 in the Master Block the detail view will show FERT1A1 A2 A3
Thanks for your help ....
Moderator message : Not enough research before posting. Spec dumping not allowed. Thread locked.
Edited by: Vinod Kumar on Jun 13, 2011 1:38 PM

An inefficient way to create the array is to use the build array and a shift register as shown below. It's more effecient in terms of memory management to create the array and then use the replace array subset as shown in the other image. Of course, if you don't need the array inside the loop, just wire the value out of the while loop and on the exit tunnel, right click and select 'Enable Indexing'.
Message Edited by Dennis Knutson on 07-03-2007 10:25 PM
Message Edited by Dennis Knutson on 07-03-2007 10:26 PM
Attachments:
Crude Build Array.PNG ‏4 KB
Better Build Array.PNG ‏6 KB

How to build a array with high sampling rates 1K

Hi All:
Now I am trying to develop a project with CRio.
But I am not sure how to build a array with high sampling rates signal, like >1K. (Sigle-point data)
Before, I would like to use "Build Arrary" and "Shift Register" to build a arrary, but I found it is not working for high sampling rates.
Is there anyother good way to build a data arrary for high sampling rates??
Thanks
Attachments:
Building_Array_high_rates.JPG ‏120 KB

Can't give a sample of the FPGA right now but here is a sample bit of RT code I recently used. I am acquiring data at 51,200 samples every second. I put the data in a FIFO on the FPGA side, then I read from that FIFO on the RT side and insert the data into a pre-initialized array using "Replace Array subset" NOT "Insert into array". I keep a count of the data I have read/inserted, and once I am at 51,200 samples, I know I have 1 full second of data. At this point, I add it to a queue which sends it to another loop to be processed. Also, I don't use the new index terminal in my subVI because I know I am always adding 6400 elements so I can just multiply my counter by 6400, but if you use the method described further down below , you will want to use the "new index" to return a value because you may not always read the same number of elements using that method.
The reason I use a timeout of 0 and a wait until next ms multiple is because if you use a timeout wired to the FIFO read node, it spins a loop in the background that polls for data, which rails your processor. Depending on what type of acquisition you are doing, you can also use the method of reading 0 elements, then using the "elements remaining" variable, to wire up another node as is shown below. This was not an option for me because of my programs architecture and needing chunks of 1 second data. Had I used this method it would have overcomplicated things if I read more elements then I had available in my 51,200 buffer.
Let me knwo if you have more qeustions
CLA, LabVIEW Versions 2010-2013
Attachments:
RT.PNG ‏36 KB
FIFO read.PNG ‏4 KB

Export with expdp tables with name like 'name1%' or like 'name2%'

How can I export data and metadata only from tables with name like 'name1%' or like 'name2%'
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I need an OR construction.

C:\>EXPDP SCOTT/TIGER DIRECTORY=DATA_DIR DUMPFILE=EXPDATA.DMP INCLUDE=TABLE:"LIK
E'REF%'"
Export: Release 10.1.0.2.0 - Production on Saturday, 07 October, 2006 9:38
Copyright (c) 2003, Oracle. All rights reserved.
Connected to: Oracle Database 10g Enterprise Edition Release 10.1.0.2.0 - Produc
tion
With the Partitioning, OLAP and Data Mining options
FLASHBACK automatically enabled to preserve database integrity.
Starting "SCOTT"."SYS_EXPORT_SCHEMA_01": SCOTT/******** DIRECTORY=DATA_DIR DUMP
FILE=EXPDATA.DMP INCLUDE=TABLE:LIKE'REF%'Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 192 KB
Processing object type SCHEMA_EXPORT/TABLE/TABLE
. . exported "SCOTT"."REF123" 9.406 KB 10 rows
. . exported "SCOTT"."REF12345" 9.414 KB 10 rows
. . exported "SCOTT"."REF1ABC" 9.406 KB 10 rowsMaster table "SCOTT"."SYS_EXPORT_SCHEMA_01" successfully loaded/unloaded
Dump file set for SCOTT.SYS_EXPORT_SCHEMA_01 is:
C:\EXPDATA.DMP
Job "SCOTT"."SYS_EXPORT_SCHEMA_01" successfully completed at 09:38
C:\>
INCLUDE=TABLE:"LIKE 'REF1%'
no need to specify "ref1%" bcoz if u specify "ref%" it means all tables after "ref" will be export.

Finding a table with a like %name% in a schema

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select * from all_tables
where owner = 'YOUR_SCHEMA' and lower(table_name) like '%name%'
/Regards
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Hi,
    Use
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If sy-subrc = 0.
endif.
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If sy-subrc = 0.
endif.
regards,
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sans

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Sans,
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How to build a table with predifined? Like Huffman decoding, there are 34 predefined tables?

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