Get start time of a daq session

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Jim Hokanson
Jim Hokanson 2018-1-9
评论： Walter Roberson 2018-1-9
I'm wondering if it is possible to get the time at which the DAQ starts so that I can keep track of other code events, relative to the time the DAQ started. Currently I just keep track of the time I told the DAQ to start, but I'd prefer another method.
Edit: To clarify the meaning of "start", I mean the time at startForeground or startBackground is actually executed on the hardware. Ignoring any issues with triggering a start, what I'm really looking for is the time that input data starts OR that output data starts leaving the DAQ.

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回答（1 个）

Walter Roberson
Walter Roberson 2018-1-9
It is not clear what it means for the DAQ to "start", so I am going to guess you mean the time at which you startForeground() . If so then the answer to your question is No, that is not kept track of. The properties kept track of are noted at https://www.mathworks.com/help/daq/ref/daq.createsession.html
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Jim Hokanson
Jim Hokanson 2018-1-9
Yeah, that's what I figured. It won't be the end of the world for what I need. The one that still gets me a bit is, from what I can tell, the lack of an ability to get raw DAQ data (since the DAQ toolbox overhaul a couple years back)
https://www.mathworks.com/matlabcentral/answers/368001-read-raw-data-using-daq-toolbox
Walter Roberson
Walter Roberson 2018-1-9
See my response to your Question.

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