How Do I Retrieve the Device Number from the .Hws File When Using Digital Waveform Editor?

Updated Sep 17, 2018

Reported In

Software

  • Digital Waveform Editor

Issue Details

I have multiple devices, marked as device 0, device 1, and so on in Digital Waveform Editor. How can I retrieve the device number from the .hws file that contains my waveforms? 

Solution

The hws file will save your digital data in a 2D array. If you have two devices, row 0 of the array corresponds to device 0 and row 1 corresponds to device 1. You will need to use niHWS_RetrieveWaveform function/VI to retrieve the two-dimensional digital data and then use index array functions to separate the rows of the data. The picture below shows how to do this in LabVIEW. 

Additional Information

For more information see NI Digital Waveform Generator/Analyzer Help.

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