Saving acquired data in text format instead of TDMS using the NI DAQ ANSI C code
Hello,
I would like to know how to change the code to make it save the file in .txt format instead of TDMS format.
It would be great if you could help me out with this !!!
I am attaching the DAQ mx ANSI C code for your reference
Thanks,
Haritha Srinivasan
Attachments:
TDMS-Cont Acq-Int Clk.zip 1360 KB
Hello Haritha, Hope you are doing great!
I think this covers up what you are looking for.
This has been covered in other forum before, please feel free to check it.
Regards,
LuisA
Similar Messages
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Hi,
I wanted to save data acquired from NI-DAQ (for example, NI 9234) in a file using the DAQ-mx ANSI C Code. The response I got was as follows:-
One way to do it is with TDMS logging. DAQmx comes with functions designed to log to a TDMS file. This is a special file type that is used for collecting data in a logical format. It can be displayed in a TDMS viewer where data is separated into groups and channels. NI-DAQmx provides examples for how to log to TDMS. Look at the TDMS examples in the C:\Users\Public\Documents\National Instruments\NI-DAQ\Examples\DAQmx ANSI C\Analog In\Measure Voltage directory.
However, now I want to know is there a way that using that same C code, can we save the data in a .txt file format (Text File) instead of a TDMS file? We actually want to access that file through MATLAB (that's why we want to save it in text format).
Also on an other note, is there a way we can access & open TDMS files by MATLAB?
Thanks,
Sauvik Das GuptaThere's a way you can access TDMS files in MATLAB:
http://zone.ni.com/devzone/cda/tut/p/id/7446 -
How can i save a data in text format
how can i save a data in text format in labwindows cvi
Message Edited by Tikoy on 04-14-2010 11:30 PM
Solved!
Go to Solution.Hi,
If your data is in an array, the easiest way is to use the ArrayToFile function.
It automatically creates a file and puts your data in it according to the format you provide.
If you have individual samples that you need to write once in a while, you can either collect them into an array and then use ArrayToFile or open a file with fopen and write them as they are acquired with fwrite.
Hope this helps,
S. Eren BALCI
www.aselsan.com.tr -
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I am very new to user exits, my requirement is if i go to sales order change mode and then press save, some of the details about the sales order needs to be downloaded in text format. Please give me the steps and procedures.
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Go to include MV45AFZZ,u will find USEREXIT_DOCUMENT_SAVE.In this exit
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SELECT *, 2 FROM OPENROWSET(BULK 'W:\file.txt',
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Bulk load data conversion error (truncation) for row 1, column 1 (COPYRIGHT_DETAIL_CODE).<BCPFORMAT xmlns="http://schemas.microsoft.com/sqlserver/2004/bulkload/format" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<RECORD>
<FIELD ID="1" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="1" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="2" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="5" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="3" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="5" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="4" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="10" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="5" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="1" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="6" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="1" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="7" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="10" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="8" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="10" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="9" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="8" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="10" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="8" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
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<FIELD ID="12" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="5" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="13" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="8" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="14" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="2" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="15" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="3" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="16" xsi:type="CharTerm" TERMINATOR=" " MAX_LENGTH="4" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
<FIELD ID="17" xsi:type="CharTerm" TERMINATOR="\r\n" MAX_LENGTH="43" COLLATION="SQL_Latin1_General_CP1_CI_AS"/>
</RECORD>
<ROW>
<COLUMN SOURCE="1" NAME="Name1" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="2" NAME="Name2" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="3" NAME="Name3" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="4" NAME="Name4" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="5" NAME="Name5" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="6" NAME="Name6" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="7" NAME="Name7" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="8" NAME="Name8" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="9" NAME="Name9" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="10" NAME="Name10" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="11" NAME="Name11" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="12" NAME="Name12" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="13" NAME="Name13" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="14" NAME="Name14" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="15" NAME="Name15" xsi:type="SQLVARYCHAR"/>
<COLUMN SOURCE="16" NAME="Name16" xsi:type="SQLVARYCHAR"/>
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The format file that I am using is just like the same one above.
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Title:
Moving Data Between MATLAB® and LabVIEW
Problem:
How can I share data between LabVIEW and the MATLAB environment?
Solution:
MATLAB users can move data between the
MATLAB environment and LabVIEW, you have several options. Prior to
LabVIEW 5.1, the only way to transfer data between these two
environments was to use the Save and Load functions. Those are discussed herein.
Beginning
in LabVIEW 8.0, MathScipt was introduced. MathScript is an integrated
part of LabVIEW that you can use to combine intuitive graphical
dataflow programming with math-oriented textual programming. See the
attached links below for more information on MathScript.
Beginning
in LabVIEW 5.1, the MATLAB script node was introduced into the LabVIEW
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be installed on the same machine and that a valid license is obtained.
More information on the MATLAB script node can be found in the attached
KB's.
For all versions of LabVIEW, this data transfer can be
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ASCII Format
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From the MATLAB environment to LabVIEW
To save a vector or a matrix X in tab-delimited ASCII format, enter the following in the command window or m-script file in the MATLAB environment:
>>SAVE filename X -ascii -double -tabs
This creates a file named filename containing data X in tab-delimited ASCII format.
Import the file into LabVIEW using the Read From Spreadsheet File VI located on the Functions»File I/O palette.
From LabVIEW to the MATLAB environment
To export a matrix X from LabVIEW to the MATLAB environment, first save the data in ASCII format in LabVIEW using the Write To Spreadsheet File VI on the Functions » File I/O palette.
Enter the following in the command window of the MATLAB environment, or in the m-script file:
>> LOAD filename
This reads the data into the MATLAB environment.
Binary Format
Complete the following steps to import or export data between LabVIEW and the MATLAB environment.
From the MATLAB environment to LabVIEW
As mentioned above, LabVIEW does not save multiple variables to one
data with extra manipulation, and will not be discussed here.
Therefore, the only way of sending the data from the MATLAB environment
to LabVIEW without tampering with the MAT binary file structure is
using the ASCII format. Also, please bear in mind that you need to have
one file for one variable.
From LabVIEW to the MATLAB environment
Because
the MATLAB software saves data in its own binary format, the "MAT"
file, binary LabVIEW data must be converted to this format prior to
transferring the data. The attached examples can be used to save
LabVIEW data in the MATLAB software format. The convenience of the .MAT
file format is that more than one variable can be saved in the same
file. The example shows saving seven variables to .MAT format; the
example can be modified for any number of variables.
Once this data is saved from LabVIEW, it can be read into the MATLAB environment, using the following command:
>>LOAD filename
The Who
command can then be used to display all the seven variable names, and
you can display the content of them by entering the variable names at
the command prompt as usual.
MATLAB® is a
registered trademark of The MathWorks, Inc. Other product and company
names listed are trademarks and trade names of their respective
companies.
| Michael K | Project Manager | LabVIEW R&D | National Instruments | -
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El 14/11/2014, a las 9:04, JimHess <[email protected]> escribió:
on octuber 31th I called the adobe office to buy creative cloud, I can use photoshop but y cant use lightroom. I have already payed o thah date i have mencioned but I cant use the lightroom. what can i do?
created by JimHess in Photoshop Lightroom - View the full discussion
Why can't you use Lightroom?
Will Lightroom not install?
Do you have Lightroom 5 standalone version installed?
Please provide more details, and I'm sure we can help you sort things out.
If the reply above answers your question, please take a moment to mark this answer as correct by visiting: https://forums.adobe.com/message/6929696#6929696 and clicking ‘Correct’ below the answer
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Start a new discussion in Photoshop Lightroom by email or at Adobe Community
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Hi!
I've seen a couple of questions on the web concerning this
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I'm using an Access database with a date field that I want to
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Originally posted by:
Newsgroup User
Bargic wrote:
> Hi!
> I've seen a couple of questions on the web concerning
this but none have been
> answered.
> I'm using an Access database with a date field that I
want to format on my ASP
> page using the Short Date format from the Bindings panel
in DW CS3. It just
> won't work. In earlier versions of DW it worked just
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