93
Signametrics
DMMGetNumDevices
SMU2060
SMU2064
Description
Get the number of USB DMM devices connected to the USB structure.
#include "SMU2060.h"
int DMMGetNumDevices(int *
nDevices
)
Remarks
This function retrieves the number of USB DMM devices connected to the USB bus. The
number of devices is saved at a location pointed to by
nDevices
. This function must be
used prior to opening the DMM. That is, prior to initialized or opening it by
DMMInit()
or
DMMOpenUSB()
. See also
DMMGetDevLocation()
.
Parameter Type/Description
nDevices
* int
Points to a location at which the number of devices is saved.
Return Value
Integer string length if successful, or an error code.
Value Meaning
Negative Value
Error code
Positive Value < 100
The length of the returned string
Postive Value
≥
100
Warning code
Example
int I; int number;
I = DMMGetNumDevices(& number);
DMMGetRange
SMU2060
SMU2064
Description
Get DMM range code.
#include "SMU2060.h"
#include "USBDMMUser.h"
int DMMGetRange
(
int
nDmm
)
Remarks
This function returns the DMM range code. The range codes are in the sequence of 0, 1,
2, 3, … where 0 is the lowest range.
Parameter Type/Description
nDmm
int
Identifies the DMM. DMMs are numbered starting
with zero.
Return Value
Integer value corresponding to the currently set DMM range, or an error code.
Value Meaning
