HP ESA-E Series - Page 81

Chapter 3 3-17
Programming Examples
Using Marker Delta Mode and Marker Minimum Search
address 18!\n");
exit(0);
}
/*Clear the analyzer*/
viClear(viESA);
/*Reset the analyzer*/
viPrintf(viESA,"*RST\n");
/*Display the program heading*/
printf("\n\t\t Marker Delta Program \n\n" );
/*Check for the analyzer model number and route the
50 MHz signal accordingly*/
Route50MHzSignal();
/*Set the analyzer to single sweep mode*/
viPrintf(viESA,"INIT:CONT 0\n");
/*Prompt the user for the start and stop frequencies*/
printf("Enter the Start, Stop frequencies in MHz ");
/*The user enters the start and stop frequencies*/
scanf("%lf %lf",&dStartFreq,&dStopFreq);
/*Set the analyzer to the values given by the user*/
viPrintf(viESA,"SENS:FREQ:STAR %lf MHz \n;
SENS:FREQ:STOP %lf MHz\n",dStartFreq,dStopFreq);
/*Trigger a sweep*/
viPrintf(viESA,"INIT:IMM; \n");
/*Check for operation complete*/
viQueryf(viESA, "*OPC?\n", "%d", &lOpc);
if (!lOpc)
{
printf("Program Abort! error ocurred: last command was
not completed!\n");
exit(0);
}
/*Set the marker to the maximum peak*/
viPrintf(viESA,"CALC:MARK:MAX;\n");