Session-based DAQ: logging data to disk directly from the device

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Luc Gendre 2014-2-6

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评论： Walter Roberson 2014-2-7

采纳的回答： Friedrich

Hi!

I am trying to rewrite some of my scripts from Legacy Interface in Session-Based Interface, and I am actually missing something. I'm sure it is right in front of me, but I don't see it! :p

So I am acquiring data from a National Instruments board and I would like the data to be saved directly on the disk, without going through "Matlab's memory".

With the Legacy Interface, I just had to write this, for example:

set(ai,'LoggingMode','Disk');
set(ai,'LogToDiskMode','Overwrite');
set(ai,'LogFileName',MyLogFileName);

But in the Session-based Interface, I can't find how to configure my session to do so... Can someone help me please? Thanks a lot.

Regards

Luc

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Friedrich 2014-2-6

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Hi,

Unfortunately logging to disk is not available in the session based interface.

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Walter Roberson 2014-2-7

See though http://www.mathworks.com/products/daq/code-examples.html?file=/products/demos/shipping/daq/demo_compactdaq_background_acquisition_data_log.html which shows how to create your own logging to disk.

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Luc Gendre 2014-2-6

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编辑：Luc Gendre 2014-2-6

Really??!! -_-'

Hope it will be available soon then. That is quite usefull! Thank you for your answer.

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Friedrich 2014-2-6

You can contact MathWorks and let them record that as an Enhancement request. As more people ask for a feaure it's more likely to happen I guess ;)

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