How to access variable double * (an array) of c. in TestStand

Hello

I'm trying to access an array of numbers, measured by the multipoint read DMM operation. The expected data is double [] (an array of measures as defined by "ividmm.dll"), but when "nidmm_32.dll" (NEITHER IVI driver) is used to perform the same operation, the data is returned as double * (from CVI/C code). Although double [] and double * would mean the same thing.

The problem do face is the matrix defined by 'Locals.Reading' defined in good TestStand shims only when she used with 'ividmm.dll' and not 'nidmm_32.dll '.

The DLL used and examples of sequence files are also attached. The name of the step where the error occurs is 'Reading Multipoint' with readingsArray parameter.

Any help or suggestion to go to these two types of data types in TestStand would be greatly appreciated.

Note: TestStand version: 4.0

Thank you

Matrat

Note that the readingArray parameter is declared with the category of digital and position pass by reference when you use the function niDMM_ReadMultiPoint, but when you use the IviDmm_ReadMultiPoint function there class of array of numbers.

I suspect that the function type information stored in nidmm_32.dll is incorrect for the niDMM_ReadMultiPoint function. To test this theory, manually change the type of the parameter array of numbers and see if it works.

Tags: NI Software

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