Measurement-computing GPIB-488 Manual de usuario Pagina 16

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Chapter 3 GPIB 488.1 Library Reference
GPIB-488 3-3 Programming Reference Manual
IBASK
Returns software configuration information.
Syntax
C ibask (int boarddev, int option, unsigned int
*value)
Parameters
boarddev A board handle or device handle
option Specifies which configuration item to return; see Table.
value Current value of specified item returned here
Table 3-2. ibask Options
Option Valid for Information returned
IbaPAD bd/dev
Primary address of board or device
IbaSAD bd/dev
Secondary address of board or dev
IbaTMO bd/dev
The current timeout value for I/O commands (refer to
ibtmo for a list of possible values)
IbaEOT bd/dev
0 = EOI asserted at end of write
non zero = EOI is not asserted at end of write
IbaPPC bd
The current parallel poll configuration of the board
IbaREADDR dev
0 = Forced re-addressing is disabled
non zero = Forced re-addressing is enabled.
IbaAUTOPOLL bd
0 = automatic at end of write
non zero = automatic serial poll is disabled
IbaCICPROT bd
0 = CIC protocol is disabled
non zero = CIC protocol is enabled
IbaSC bd
0 = board is not system controller
non zero = board is system controller
IbaSRE bd
0 = do not automatically assert REN line when system
controller
non zero = automatically assert REN line when system
controller
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