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err=viScanf(dac, “%d”, &result); /* Enter integer returned */
/*, returns a 1 when ready to calibrate */
if(err < VI_SUCCESS) err_handler(dac, err);
}
result = 1;
while (result !=0 && result !=2)
{
meas_volt=get_voltage (); /* Get the voltage measurement */
err=viPrintf(dac, “CAL%d:VAL:CURR? %f\n”,i,meas_volt);
if(err < VI_SUCCESS) err_handler(dac, err);
err=viScanf(dac, “%d”, &result); /* Enter integer returned */
/* returns a 0 when calibration complete */
if(err < VI_SUCCESS) err_handler(dac, err);
if (result == 5) /* Calibration aborted */
{
printf (“Calibration for channel %d aborted\n\n”,i);
result = 0;
}
}
}
/*** STORE THE NEW CALIBRATION CONSTANTS ***/
err=viPrintf(dac, “CAL:STOR;*OPC?\n”); /* Store the new cal constants */
if(err < VI_SUCCESS) err_handler(dac, err);
err=(viScanf(dac,"%d",&result);
if(err < VI_SUCCESS) err_handler(dac, err);
sys_err(dac);
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}
Appendix D Voltage/Current Output Adjustment 164