Specifications

Signametrics 92
DMMReadWidth
SMX2040  SMX2042 ; SMX2044
Description Return the posit
nclude "sm20
Read Dmm, double FAR *lpdPwid, double FAR *lpdNwid)
function, and
wo parameters: positive and negative pulse widths.
tion
g of
AC.
;
ive and negative pulse widths.
#i 4032.h"
int DMM
Width(int n
Remarks This is a Secondary function and the DMM must be in ACV measurement
a valid range must be set. It returns t
These parameters are stored as double-precision floating-point numbers in the loca
pointed to by lpdPwid and lpdNwid. The measured widths are affected by the settin
the Threshold D
Parameter
Type/Description
nDmm
umbered starting with zero.
lpdPwid
R * Points to the location which holds the positive width.
lpdNwid
double FAR * Points to the location which holds the negative width.
Return Value The return value is one of the following constants.
Value
int Identifies the DMM. DMMs are n
double FA
Meaning
OKAY
Operation successfully completed.
DMM_
lue
Example double pw,nw; int state; state = DMMReadWidth(0, &pw, &nw);
DMMReady
MX2042
Description Return the of the DMM following trigger operation.
e "
Dmm)
f ready, and FALSE otherwise. Once a TRUE status is returned, the
nction should not be used again since a TRUE also indicates that some
r, which allow further operations. See DMMArmAnalogTrigger,
DMMArmTrigger, DMMTrigger, DMMReadBuffer and DMMPolledReaed for
Parame
Negative Va
Error code
SMX2040 ; S ; SMX2044 ;
ready state
#includ sm204032.h"
int DMMReady(int n
Remarks Following the completion of an tirggered measurement event, be it hardware or software,
the DMM indicates the completion. The DMMReady function checks the DMM and
returns TRUE i
DMMReady fu
flags have been clea
more details on this function.
ter
Type/Description
nDmm
int Identifies the DMM. DMMs are numbered starting with zero.
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