Agilent Technologies ESA-E Series Programmer's Manual page 81

Programming Examples
Performing Internal Self-alignmen t
ViStatus errStatus ;
ViChar cIdBuff[256]= {0} ;
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") ;
}
els e
{
/* For the analyzers having frequency limits >= 3GHz, prompt the user* /
/* to connect the amplitude reference output to the input* /
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* /
ViStatus viStatus = 0 ;
long lOpc =0L ;
long iResult =OL ;
/* Open a HP-IB session at address 18* /
viStatus=viOpenDefaultRM(&defaultRM) ;
viStatus=viOpen(defaultRM,"GPIBO : :18",VI NULL,VI NULL,&viESA) ;
if(viStatus )
{
printf("Could not open a session to HP-IB device at address 18!\n") ;
exit(0) ;
}
Chapter 3 3-21