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Option
IbaUnAddr
IbaIst
IbaBNA
IbaEOS
Returns
will contain a 16-bit status word; refer to Appendix B, IBSTA.
Ibsta
will contain an error code if an error occurred
Iberr
will contain the current value of selected configuration item
value
Usage Notes
Some options apply to boards, some to devices and some apply to both boards and devices.
A program may modify many of these configuration items via library routines (for example,
ibconfig IbcTMO
version.
Example
Returns the
ist
C
GPIB-488
Table 3-2. ibask Options (Continued)
Valid for
0 = The untalk and unlisten (UNT, UNL) are not sent after
dev
each device level read/write
non zero = The UNT, UNL commands are sent after each
device lever read/write
The individual status (ist) bit of the interface
bd
Device's access board
dev
/
EOS termination mode and character. The lower byte of
bd
dev
the value returned is the EOS character. The returned
value upper byte third bit determines whether reads are
terminated when the EOS character is detected. The
returned value upper byte fourth bit determines whether
EOI is set with the EOS character on writes. The returned
value upper byte fifth bit determines whether all 8 bits of
the EOS character should be compared; otherwise, only 7
bits are compared.
,
ibconfig IbcPAD
bit of a device at PAD 3.
int dev;
unsigned long istbit;
dev = ibdev (0,3,0,13,1,0);
ibask (dev, IbaIst, &istbit);
Chapter 3
Information returned
, etc.). In that case,
ibask
3-5
GPIB 488.1 Library Reference
returns the modified
Programming Reference Manual
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