niFgen_error_query

NI-FGEN C Function

niFgen_error_query

ViStatus niFgen_error_query (ViSession vi, ViInt32* errorCode, ViChar[] errorMessage);

Purpose

Reads an error code and a message from the instrument error queue.

Parameters

Input
Name Type Description
vi ViSession Identifies your instrument session. vi is obtained from the niFgen_init or the niFgen_InitWithOptions functions and identifies a particular instrument session.
Output
Name Type Description
errorCode ViInt32* Returns the error code read from the instrument error queue.
errorMessage ViChar[] Returns the error message string read from the instrument error message queue.

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

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. You can examine the status code from each call to an NI-FGEN function to determine if an error occurred. To obtain a text description of the status code, call the niFgen_error_message function. To obtain additional information about the error condition, call the niFgen_GetError function. To clear the error information from NI-FGEN, call the niFgen_ClearError function.

The general meaning of the status code is as follows:

Value Meaning
0 Success
Positive Values Warnings
Negative Values Errors