Digilent WaveForms Manual do Utilizador descarregar pdf (Página 22)

WaveForms™ SDK Reference Manual

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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.

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