niRFSG_close

NI-RFSG C Function

niRFSG_close

C Function Prototype

ViStatus niRFSG_close (ViSession vi);

Purpose

Performs the following closing actions:

  • Aborts any signal generation in progress.
  • Destroys the instrument driver session.
Note Note  After calling this function, you cannot use NI-RFSG again until you call the niRFSG_init function or the niRFSG_InitWithOptions function.

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

Parameters

Input
Name Type Description
vi ViSession Identifies your instrument session. The ViSession handle is obtained from the niRFSG_init function or the niRFSG_InitWithOptions function and identifies a particular instrument session.

Default Value: None

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