Model 4200A-SCS Parameter Analyzer Reference Manual
Section 8: Keithley User Library Tool (KULT)
4200A-901-01 Rev. C / February 2017
8-19
Entering user module code
Enter the C code.
Refer to
LPT functions for SMUs and general operations
(on page 13-59) for a complete list of
supported I/O and SMU commands.
To enter the C code, enter the new C code into the module-code entry area.
For the
TwoTonesTwice
user module, enter the code listed below. The code deliberately contains a
missing
;
error to illustrate a KULT debug capability.
/* Beeps four times at two alternating user-settable frequencies. */
/* Makes use of Windows Beep (frequency, duration) function. */
/* Frequency of beep is long integer, in units of Hz. */
/* Duration of beep is long integer, in units of milliseconds. */
Beep(Freq1, 500); /* Beep at first frequency for 500 ms */
Beep(Freq2, 500); /* Beep at second frequency */
Beep(Freq1, 500);
Beep(Freq2, 500);
Sleep(500) /* NOTE deliberately forget semicolon initially */
Continue with
(on page 8-19).
Entering parameters
To enter the required parameters for the code:
1. Click the
Parameters
tab.
2. Click the
Add
button at the right side of the parameters tab area.
3. Under
Parameter Name
, enter
Freq1
.
4. Click the Data Type cell and select
long
under Data Type, as shown here. This is the C data
type.
Figure 430: Data Type menu
For an output parameter, only the following data types are acceptable: pointers (char*, float*,
double*, and so on) and arrays (
I_ARRAY_T
,
F_ARRAY_T
, or
D_ARRAY_T
).
5. For this user module, the
I/O
entry of
Input
is correct. If the Data Type is pointer or array, you
could choose
Input
or
Output
.
