Keysight E4428C ESG RF Programming Manual page 121

Programming Examples
GPIB Programming Interface Examples
viStatus = viClose(defaultRM);
return 0;
}
// The following function is called when an SRQ event occurs. Code specific to your
// requirements would be entered in the body of the function.
ViStatus _VI_FUNCH interupt(ViSession vi, ViEventType eventType, ViEvent event, ViAddr
addr)
{
ViStatus status;
ViUInt16 stb;
status = viReadSTB(vi, &stb);// Reads the Status Byte
sweep=0;// Sets the flag to stop the '*' printing
printf("\n");// Print user information
printf("An SRQ, indicating end of sweep has occurred\n");
viClose(event);// Closes the event
return VI_SUCCESS;
}
Keysight Signal Generators Programming Guide 113