Agilent Technologies ESA-E Series Programmer's Manual page 109

Programming Examples
Entering Amplitude Correction Data
char cEnter = 0;
int iResult = 0;
/*Set the input port to 50MHz amplitude reference*/
void Route50MHzSignal()
{
viQueryf(viESA, "*IDN?\n", "%t", &cIdBuff);
iResult = (strncmp( cIdBuff, hpESA_IDN_E4401B, strlen(hpESA_IDN_E4401B)) &&
strncmp( cIdBuff, hpESA_IDN_E4411B, strlen(hpESA_IDN_E4411B)));
if( iResult == 0 )
{
/*Set the input port to the 50MHz amplitude reference for the models*/
/*E4411B and E4401B*/
viPrintf(viESA,"CAL:SOUR:STAT ON \n");
}
else
{
/* For the analyzers having frequency limits >= 3GHz, prompt the user*/
/* to connect the amplitude reference output to the input*/
printf ("Connect AMPTD REF OUT to the INPUT \n");
printf ("......Press Return to continue \n");
scanf( "%c",&cEnter);
/*Externally route the 50MHz Signal*/
viPrintf(viESA,"CAL:SOUR:STAT ON \n");
}
}
void main()
{
/*Program Variables*/
ViChar _VI_FAR cResult[1024] ={0};
ViReal64 _VI_FAR aRealArray[2][100] ={0};
ViStatus viStatus
int iNum =0;
int iNoOfPoints =0;
long lCount = 0;
long lFreq=0L;
long lAmpltd=1;
static ViChar *cToken;
/*No of amplitude corrections points */
iNoOfPoints = 4;
/* Open an HP-IB session at address 18*/
3-54
= 0;
Chapter 3