Specifications

61 Signametrics
DMMGetACCapsR
SMX2040  SMX2042  SMX2044
Description Return the resist
#include "sm204032.h"
int DMMGetACCapsRint nDmm, double *lpdResult)
t reading of AC based Capacitance
measurement. It perform ing and conversion required, and returns the result as a
64-bit double-precisi point number in the location pointed to by lpdResult.
t is a val rcuit Capacitance Measurements in
4.8 of this ma
;
ance component of the last AC Caps measurement.
Remarks This function retrieves the resistance value from las
s all scal
on floating-
Returned resul
section
ue in ohms. Read about In-Ci
nual.
Parameter
Type/Description
nDmm
lpdResult
double * Points to the location to hold the resistance value.
Ret turn value is one of the following constants.
Value
int Identifies the DMM. DMMs are numbered starting with zero.
urn Value The re
Meaning
DMM_OKAY
DMM initialized successfully.
Negative Value
Error code
OVER_RNG
Over range occurred, implying a very high parallel resistance value.
Example double d;
int status;
us = DM
SMX2040 ; SMX2042 ; SMX2044 ;
Description
int DMMGetBusInfo(int nDmm, int *bus, int *slot)
Remarks This function reads the PCI bus and slot numbers of the selected DMM. It provides
ion to the nDmm value by detecting the location of
stat MGetACCapsR(0, &d);
DMMGetBusInfo
Returns the PCI Bus and Sl ot numbers for the selected DMM.
means to relate the physical card locat
a DMM in the PCI system tree. This function actually scans the hardware rather then
look up the information in the registry.
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