Digilent WaveForms User Manual

Page 22

WaveForms™ SDK Reference Manual

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Page 22 of 85

FDwfAnalogInChannelFilterSet(HDWF hdwf,

int

idxChannel, FILTER filter)

Parameters:
-

hdwf – Interface handle.

idxChannel – Channel index.

filter – Acquisition sample filter to set.

The function above is used to set the acquisition filter for each AnalogIn channel. With channel index -1, each
enabled AnalogIn channel filter will be configured to use the same, new option.

FDwfAnalogInChannelFilterGet(HDWF hdwf,

int

idxChannel, FILTER *pfilter)

Parameters:
-

hdwf – Interface handle.

idxChannel – Channel index.

pfilter– Variable to receive the current sample filter.

The function above returns the configured acquisition filter.

FDwfAnalogInChannelRangeInfo(
HDWF hdwf,

double

*pvoltsMin,

double

*pvoltsMax,

double

*pnSteps)

Parameters:
-

hdwf – Interface handle.

pvoltsMin – Variable to receive the minimum voltage range.

pvoltsMax – Variable to receive the maximum voltage range.

pnSteps – Variable to receive number of steps.

The function above returns the minimum and maximum range, peak to peak values, and the number of adjustable
steps.

FDwfAnalogInChannelRangeSteps(
HDWF hdwf,

double

rgVoltsStep[32],

int

*pnSteps)

Parameters:
-

hdwf – Interface handle.

rgVoltsStep – Pointer to buffer to receive the range steps.

pnSteps – Variable to receive number range steps.

The function above is used to read the range of steps supported by the device. For instance: 1, 2, 5, 10, etc.