Agilent Technologies B1500A User's Guide download pdf (Page 191)

Agilent B1500 VXIplug&play Driver User’s Guide, Edition 3 4-35

Programming Examples for C++ Users

Staircase Sweep with Pulsed Bias Measurement

printf(" Vg (V), Vd (V), Id (mA)\n"); /* 72 */

for (j = 0; j < nop2; j++){

n = j * nop1;

for (i = n; i < n + nop1; i++){

printf(" %4.2f, %4.2f, %9.6f \n", dvg[j], sc[i], md[i] * 1000);

}

} /* 79 */

FILE *stream; /* 81 */

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, "%4.2f, %4.2f, %9.6f, %8.6f, %d\n", dvg[j], sc[i], md[i]

* 1000, tm[i], st[i]);

}

printf( "%s%c", msg2, c );

}

if( fclose( stream ) ){

printf( "Data file was not closed\n" );

} /* 100 */

ret = agb1500_setSwitch(vi, agb1500_CH_ALL, 0); /* 102 */

check_err (vi, ret);

}

Line Description

72 to 79 Displays the measurement result data.

81 to 100 Saves the measurement results into a CSV file specified by the f_name variable.

102 Disables all ports.

103 Calls the check_err subprogram (shown in Table 4-1) to check if an error status is

returned for the previous line.

105 End of the perform_meas subprogram.

1 2 ... 186 187 188 189 190 191 192 193 194 195 196 ... 207 208

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Agilent Technologies B1500A User's Guide Page 191