Agilent Technologies B1500A

Agilent B1500 VXIplug&play Driver User’s Guide, Edition 3 4-41
Programming Examples for C++ Users
Sampling Measurement
Sampling Measurement
Table 4-14 explains example subprogram that performs sampling measurement.
This example measures current that flows to resistors R1 and R2, and then calculates
the resistance.
Table 4-14 Sampling Measurement Example
void perform_meas (ViSession vi, ViStatus ret) /* 1 */
{
ViInt32 t1 =3; /* SMU3 */
ViInt32 t2 =4; /* SMU4 */
ViInt32 low =1; /* SMU1 */
ViReal64 base =0;
ViReal64 bias =0.1;
ViReal64 icomp =0.1;
ViReal64 vlout =0;
ViReal64 ilcomp =0.1;
ViReal64 base_h =0;
ViReal64 bias_h =0.1;
ViReal64 interval =0.05;
ViInt32 nop =30;
ViInt32 mch[3];
ViInt32 mode[2];
ViReal64 range[2];
ViInt32 point;
ViInt32 index[30];
ViReal64 value[60];
ViInt32 status[60];
mch[0] =t1;
mch[1] =t2;
mch[2] =0;
mode[0] =1;
mode[1] =1;
range[0] =0;
range[1] =0; /* 28 */
Line Description
1 Beginning of the perform_meas subprogram.
3 to 28 Declares variables, and defines the value.