Performs parallel poll.
Ret = GpibPPoll ( DevId, Ppr )
Id [ VB.NET: Short ][ C, C++: short ][ C#: short ]
Whichever it specifies, operation does not change.
Ppr [ VB.NET: Short ][ C, C++: short * ][ C#: out short ]
Retrieves DIO line status.
0 to 255 |
DIO line status |
Ret [ VB.NET: Integer ][ C, C++: long ][ C#: int ]
0 |
Normality completion |
10001 |
Invalid ID was specified |
10002 |
Driver can not be called |
12212 |
Pointer to Ppr is NULL |
22223 |
When device is used as slave (non-controller), functions for master (controller) are execute |
22242 |
Terminates by forcible termination key |
22244 |
Timeout |
22245 |
No connected device (GPIB error) |
The others (See also: Details of Error Code)
None
The value of parallel poll can not be retrieved without setting partner apparatus by GpibSetPPoll.
Performs parallel poll and displays it.
C |
short Ppr; Ret = GpibPPoll ( DevId, &Ppr); if ( Ret == 0) Printf ("%d \n", Ppr); |