Scope of digital storage of the homebrew: falling for the third time.

I worked on an extended application of digital storage 5114 with most of the features of the NiScope

Soft front and making little progress. The only approach I could think of was to start with an example provided

and then modify it. I need to acquire several second waveform non-repetative @ 125ks/s, which is equivalent to 500 k

samples. The Acquisition example configured to trigger dashboard will make me the waveform, but there over time. I need an application that will acquire the waveform, whenever it is triggered and hold until the next trigger. The applocation Soft Front Panel does well.

As to why I'm just not using the S.F.P is twofold:

1. I need to be able to isolate sections of the acquired waveform and calculate the effective as voltage peak to peak

sections. I also want to make the integration of point by point to the area under the part of the envelope of the waveform.

2. I tried to save the data of the S.F.P., but so far haven't had any success even open files.

Koutcheens

Attached is an example of NOR-SCOPE (which never shipped) that implements the exact algorithm used to extract data by the NO-SCOPE Soft Front Panel (SFP).  Essentially, it starts an acquisition and uses only an extraction when the acquisition is known to be complete.  It will never expire.

By default, the SFP OR-SCOPE records in the format of hierarchical storage OR waveform (OR-HWS), a binary format.  "" "You can find OR HWS screws in the measure i/o" OR-SCOPE "Utility Functions" OR hierarchical waveform storage palette.  NOR-HWS is based on HDF5, so can be opened and read by all who reads HDF5.  The internal format is very similar to The SCPI-DIF, but put in a wrapper HDF5.  If you want more details, please ask.

Example is saved in LabVIEW 7.0.

Tags: NI Products

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