Declaration:
long DigitalIO ( long *idnum,
long demo,
long *trisD,
long trisIO,
long *stateD,
long *stateIO,
long updateDigital,
long *outputD )
Parameter Description:
Returns: LabJack errorcodes or 0 for no error.
Inputs:
*idnum – Local ID, serial number, or -1 for first found.
demo – Send 0 for normal operation, >0 for demo mode. Demo mode allows this function to be called without a LabJack.
*trisD – Directions for D0-D15. 0=Input, 1=Output.
trisIO – Directions for IO0-IO3. 0=Input, 1=Output.
*stateD – Output states for D0-D15.
*stateIO – Output states for IO0-IO3.
updateDigital – If >0, tris and state values will be written. Otherwise, just a read is performed.
Outputs:
*idnum – Returns the local ID or –1 if no LabJack is found.
*trisD – Returns a read of the direction registers for D0-D15.
*stateD – States of D0-D15.
*stateIO – States of IO0-IO3.
*outputD – Returns a read of the output registers for D0-D15.
4.18 - GetDriverVersion
Returns the version number of ljackuw.dll. No hardware communication is involved.
Declaration:
float GetDriverVersion ( void )
Parameter Description:
Returns: Version number of ljackuw.dll.
ActiveX Function Differences:
Uses parameters to return DLL and OCX version.
Declaration (ActiveX):
void GetDriverVersionX ( float FAR* dllVersion,
float FAR* ocxVersion )
4.19 - GetErrorString
Converts a LabJack errorcode, returned by another function, into a string describing the error. No hardware communication is
involved.
Declaration:
void GetErrorString ( long errorcode,
char *errorString )
Parameter Description:
Returns: Nothing.
Inputs:
errorcode – LabJack errorcode.
*errorString – Pointer to a 50 element array of characters.
Outputs:
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