Operator`s manual

89 Signametrics
Value Meaning
DMM_OKAY
Operation successfully completed.
Negative Value
Example ouble ptp; int status = DMMReadPeakToPeak(0, &ptp);
ReadPer
SM2040  SM2042 ;
Description
#include "sm204032.h"
int DMMReadPeriod(int nDmm, double *lpdResult)
Remarks This is a Secondary function and the DMM must be in ACV measurement function, and
id range m ult as a
double-precision floating-point number in the location pointed to by lpdResult. See
MMFrequen
Parame
Error code
d
DMM iod
SM2044 ;
Return the next double floating-point period reading from the DMM.
a val ust be set It makes a single period measurement, and stores the res
D cyStr() for more details.
ter Type/Description
nDmm
int Identifies the DMM. DMMs are numbered starting with zero.
ich holds the period.
Return Value u e following constants.
Value
lpdResult
double * Points to the location wh
The return val e is one of th
Meaning
DMM_OKAY
Operation successfully completed.
Error code
riod(0, &d);
DMMReadStr
SM2042 ;
Description
LPSTR lpszReading)
Remarks is function is f DMMRead(). It reads the next Primary
measurement result, performs all scaling and conversion required, and returns the result
as a string form
function. See DMMRead() for more details.
Parameter
Negative Value
Example
double d;
int status;
status = DMMReadPe
SM2040 ; SM2044 ;
Return the next reading from the DMM formatted for printing.
#include "sm204032.h"
int DMMReadStr(int nDmm,
Th the string version o
atted for printing. The print format is determined by the range and
Type/Description