Gets the symbol map that is used for digital demodulation measurements. Call this function after calling RFmxDemod_Commit function.

Syntax

int32 __stdcall RFmxDemod_DDemodGetSymbolMap(niRFmxInstrHandle instrumentHandle, char selectorString[], NIComplexSingle symbolMap[], int32 arraySize, int32 *actualArraySize)

Parameters

NameDirectionTypeDescription
instrumentHandle[in]niRFmxInstrHandle

This parameter specifies the RFmx session refnum. Instrument Handle In is obtained from the RFmxInstr_Initialize function.

selectorString[in]char[]

This parameter comprises of the signal name. If you do not specify the signal name, the default signal instance is used. The default value is "" (empty string). Example:

""

"signal::sig1"

You can use the RFmxDemod_BuildSignalString function to build the Selector String.

symbolMap[out]NIComplexSingle[]

This parameter returns the symbol map used for demodulation.

arraySize[in]int32

Specifies the size of the array. Set the arraySize parameter to 0 to get the size of all the arrays in the actualArraySize parameter.

actualArraySize[out]int32 *

Returns the actual size of the array, if you pass NULL to all output array parameters, and set the arraySize parameter to 0.

Returns

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