RFmx Demod 19.1 Help

Edition Date: October 2019

Part Number: 374641M-01

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RFmx Demod 19.1 Help
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int32 __stdcall RFmxDemod_Initiate (niRFmxInstrHandle instrumentHandle, char selectorString[], char resultName[]);


Initiates all enabled measurements. Call this function after configuring the signal and measurement. This function asynchronously launches measurements in the background and immediately returns to the caller program. You can fetch measurement results using the ADemod or DDemod Fetch functions or ADemod or DDemod Result attributes. To get the status of measurements, you can use the RFmxDemod_CheckMeasurementStatus function.


Name Type Description
instrumentHandle niRFmxInstrHandle Specifies the RFmx session. You can obtain this parameter from the RFmxDemod_Initialize function.
selectorString char[] Comprises the signal name. If you do not specify the signal name, the default signal instance is used.




You can use the RFmxDemod_BuildSignalString function to build the selector string.
resultName char[]

Specifies the name to be associated with measurement results. Provide a unique name, such as "r1" to enable fetching of multiple measurement results and traces. This input accepts the result name with or without the "result::" prefix. The default value is "" (empty string) which refers to default result instance.




Return Value

Name Type Description
status int32 Returns the status code of this operation. The status code either indicates success or describes an error or warning condition. Examine the status code from each call to an RFmx function to determine if an error has occurred.

To obtain a text description of the status code and additional information about the error condition, call the RFmxDemod_GetError function.

The general meaning of the status code is as follows:

Value Meaning
0 Success
Positive Values Warnings
Negative Values Errors


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