niRFSG_error_message

NI-RFSG C Function

niRFSG_error_message

C Function Prototype

ViStatus niRFSG_error_message (ViSession vi, ViStatus errorCode, ViChar[] errorMessage);

Purpose

Converts an error code returned by an NI-RFSG function into a user-readable string.

Supported Devices: NI 5650/5651/5652/5670/5671/5672

Parameters

Input
Name Type Description
vi ViSession The ViSession handle that you obtain from niRFSG_init or niRFSG_InitWithOptions. The handle identifies a particular instrument session.

You can pass VI_NULL for this parameter. Passing VI_NULL is useful when niRFSG_init or niRFSG_InitWithOptions fails.

Default Value: VI_NULL

errorCode ViStatus Pass the status parameter that is returned from any NI-RFSG function.

Default Value: 0 (VI_SUCCESS)

Output
Name Type Description
errorMessage ViChar[] Returns the user-readable message string that corresponds to the status code you specify.

You must pass a ViChar array with at least 256 bytes to this parameter.

Return Value

Name Type Description
status ViStatus 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 instrument driver function to determine if an error occurred.

To obtain a text description of the status code, call the niRFSG_error_message function. To obtain additional information about the error condition, call the niRFSG_GetError function. To clear the error information from the driver, call the niRFSG_ClearError function.

The general meaning of the status code is as follows:

ValueMeaning
0Success
Positive ValuesWarnings
Negative ValuesErrors