Digilent WaveForms Manuel d'utilisateur télécharger pdf (Page 52)

WaveForms™ SDK Reference Manual

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FDwfAnalogIOEnableSet(HDWF hdwf, BOOL fMasterEnable)

Parameters:

- hdwf – Open interface handle on a device.

- fMasterEnable – Set TRUE to enable the master switch; FALSE to disable the master switch.

The function above is used to set the master enable switch.

FDwfAnalogIOEnableGet(HDWF hdwf, BOOL *pfMasterEnable)

Parameters:

- hdwf – Open interface handle on a device.

- pfMasterEnable – Pointer to variable to return the enabled configuration.

The function above returns the current state of the master enable switch. This is not obtained from the device.

FDwfAnalogIOEnableStatus(HDWF hdwf, BOOL *pfMasterEnable)

Parameters:

- hdwf – Open interface handle on a device.

- pfMasterEnabled – Pointer to variable to return the active status.

The function above returns the master enable status (if the device supports it). This can be a switch on the board

or an overcurrent protection circuit state.

FDwfAnalogIOChannelCount(HDWF hdwf, int *pnChannel)

Parameters:

- hdwf – Open interface handle on a device.

- pnChannel – Pointer to variable to return the number of channels.

The function above returns the number of AnalogIO channels available on the device.

FDwfAnalogIOChannelName(

HDWF hdwf, int idxChannel, char szName[32], char szLabel[16])

Parameters:

- hdwf – Open interface handle on a device.

- idxChannel – Channel index.

- szName – Pointer to character array to return the user name.

- szLabel – Pointer to character array to return the label.

The function above returns the name (long text) and label (short text, printed on the device) for a channel.

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Digilent WaveForms Manuel d'utilisateur Page 52