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4.3.7
QryFetcCVal
4-7
4.3.7. QryFetcCVal
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Function name long QryFetcCVal
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Usage
Acquires a response value (measurement value) for the specified frequency
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Argument
[IN] long lngPID
// Packet ID (specifies the value acquired
// by BisOpenPacket)
long lngTr
// Specifies the analysis channel
// (BIS_TRACx_xxx)
double dblFreq // Specifies the frequency position to determine
// a measurement value.
[OUT] double * dblValue // Returns the measurement value.
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Return value 0: Normal
1: The dblFreq argument is incorrectly specified.
Other: Refer to Section
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Description The response value for the frequency position specified using the argument dblFreq
is acquired. Then, the value is stored in the variable specified using the argument
dblValue.
If the specified frequency is not on the measurement point, the value is esti-
mated by interpolation from response values of the preceding and succeeding
measurement points.