Agilent 4155C/4156C VXIplug&play Driver User’s Guide, Edition 4 5-27
Programming Examples for C++ Users
Pulsed Sweep Measurements
printf(" Ib (uA), Vc (V), Ic (mA)\n"); /* 63 */
for (j = 0; j < nop2; j++){
n = j * nop1;
for (i = n; i < n + nop1; i++){
printf(" %5.1f, %4.2f, %9.6f \n", dib[j] * 1E6, sc[i], md[i] * 1000);
}
} /* 70 */
FILE *stream; /* 72 */
if( ( stream = fopen( f_name, "w+" )) == NULL ){
printf( "Data file was not opened\n" );
}
else {
printf( "%s%c", msg1, c );
fprintf( stream, "%s%c", head1, c );
for (j = 0; j < nop2; j++){
n = j * nop1;
for (i = n; i < n + nop1; i++){
fprintf( stream, "%5.1f, %4.2f, %9.6f, %d\n", dib[j] * 1E6, sc[i], md[i] *
1000, st[i]);
}
}
printf( "%s%c", msg2, c );
}
if( fclose( stream ) ){
printf( "Data file was not closed\n" );
} /* 91 */
ret = hp4156b_setSwitch(vi, hp4156b_CH_ALL, 0); /* 93 */
check_err (vi, ret);
}
Line Description
63 to 70 Displays the measurement result data.
72 to 91 Saves the measurement results into a file (C:\Agilent\data\data4.txt, CSV file).
93 Disables all ports.
94 Calls the check_err subprogram (shown in Table 5-1) to check if an error status is
returned for the previous line.
96 End of the perform_meas subprogram.
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