ReadPIO

Description

Reads the voltage levels on the parallel input/output (PIO) pins.


Syntax

[VB]
Value=objActiveDcam.ReadPIO

[C/C++]
HRESULT ReadPIO( long* pBits );


Data Types [VB]

Return value: Long


Parameters [C/C++]

pBits [out,retval]

Pointer to the long integer whose bits reflect the binary state of the input pins.

   
Return Values

S_OK

Success

E_FAIL

Failure.

Example

The following VB example reads the state of the PIO pins:

pins=ActiveDcam1.ReadPIO
MsgBox pins

Remarks

This method is available only for cameras that have the PIO feature compliant with DCAM 1.31 specifications.