Digilent WaveForms Manual do Utilizador descarregar pdf (Página 57)

WaveForms™ SDK Reference Manual

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FDwfDigitalIOOutputSet(HDWF hdwf, unsigned int fsOutput)

Parameters:

- hdwf – Open interface handle on a device.

- fsOutput – Output bit set.

The function above is used to set the output logic value on all output pins.

FDwfDigitalIOOutputGet(HDWF hdwf, unsigned int *pfsOutput)

Parameters:

- hdwf – Open interface handle on a device.

- pfsOutput – Pointer to variable to returns output bit set.

The function above returns the currently set output values across all output pins.

FDwfDigitalIOInputInfo(HDWF hdwf, unsigned int *pfsInputMask)

Parameters:

- hdwf – Open interface handle on a device.

- pfsInputMask – Variable to return the input value mask.

The function above returns the readable input value mask (bit set) that can be used on the device.

FDwfDigitalIOInputStatus(HDWF hdwf, unsigned int *pfsInput)

Parameters:

- hdwf – Open interface handle on a device.

- pfsInput – Variable to return the input value.

The function above returns the input states of all I/O pins. Before calling the function above, call the

FDwfDigitalIOStatus function to read the Digital I/O states from the device.

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Digilent WaveForms Manual do Utilizador Página 57