Digilent WaveForms Manual de usuario descargar pdf (Pagina 75)

WaveForms™ SDK Reference Manual

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FDwfDigitalOutEnableGet(HDWF hdwf, int idxChannel, BOOL *pfEnable)

Parameters:

- hdwf – Interface handle.

- idxChannel – Channel index.

- pfEnable – Pointer to variable to receive enabled state.

The function above is used to verify if a specific channel is enabled or disabled.

FDwfDigitalOutOutputInfo(

HDWF hdwf, int idxChannel, int *pfsDwfDigitalOutOutput)

Parameters:

- hdwf – Interface handle.

- idxChannel – Channel index.

- pfsDwfDigitalOutOutput – Pointer to variable to receive the supported output modes.

The function above returns the supported output modes of the channel. They are returned (by reference) as a bit

field. This bit field can be parsed using the IsBitSet Macro. Individual bits are defined using the

DwfDigitalOutOutput constants in DWF.h:

 DwfDigitalOutOutputPushPull: Default setting.

 DwfDigitalOutOutputOpenDrain: External pull needed.

 DwfDigitalOutOutputOpenSource: External pull needed.

 DwfDigitalOutOutputThreeState: Available with custom and random types.

FDwfDigitalOutOutputSet(HDWF hdwf, int idxChannel, DwfDigitalOutOutput v)

Parameters:

- hdwf – Interface handle.

- idxChannel – Channel index.

- v – Output mode.

The function above specifies output mode of the channel.

FDwfDigitalOutOutputGet(HDWF hdwf, int idxChannel, DwfDigitalOutOutput *pv)

Parameters:

- hdwf – Interface handle.

- idxChannel – Channel index.

- pfEnable – Pointer to variable to receive enabled state.

The function above is used to verify if a specific channel output mode.

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Digilent WaveForms Manual de usuario Pagina 75