niRFSA_Initiate
ViStatus = niRFSA_Initiate( ViSession vi);
Purpose
Starts an IQ acquisition. You may use this function in conjunction with the NI-RFSA fetch IQ functions to retrieve acquired IQ data, or use the NI-RFSA read IQ functions to both initiate the acquisition and retrieve IQ data at one time.
Parameters
| Input | ||
| Name | Type | Description |
| vi | ViSession | Passes a reference to your instrument session to the next function. vi is obtained from the niRFSA_init or the niRFSA_initWithOptions functions and identifies a particular instrument session. |
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 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 niRFSA_error_message function. To obtain additional information about the error condition, call the niRFSA_GetError function. To clear the error information from the driver, call the niRFSA_ClearError function. The general meaning of the status code is as follows:
|
Meaning | |
|---|---|---|---|---|
| 0 | Success | |||
| Positive Values | Warnings | |||
| Negative Values | Errors |