User`s guide

126 Agilent VISA User’s Guide
4 Programming via GPIB and VXI
GPIB-VXI Specific MEMACC Attributes
The following read- only attributes provide specific address
information about GPIB hardware.
VI_ATTR_SRC_BYTE_ORDER Specifies the byte order used in high-level
access operations, such as viInxx and
viMoveInxx, when reading from the source.
VI_ATTR_DEST_BYTE_ORDER Specifies the byte order used in high level
access operations, such as viOutxx and
viMoveOutxx, when writing to the
destination.
VI_ATTR_WIN_BYTE_ORDER Specifies the byte order used in low-level
access operations, such as viMapAddress,
viPeekxx, and viPokexx, when accessing the
mapped window.
VI_ATTR_SRC_ACCESS_PRIV Specifies the address modifier used in
high-level access operations, such as viInxx
and viMoveInxx, when reading from the
source.
VI_ATTR_DEST_ACCESS_PRIV Specifies the address modifier used in
high-level access operations such as viOutxx
and viMoveOutxx, when writing to
destination.
VI_ATTR_WIN_ACCESS_PRIV Specifies the address modifier used in
low-level access operations, such as
viMapAddress, viPeekxx, and viPokexx,
when accessing the mapped window.
Table 29 Attributes that Provide Specific Address Information
Attribute Description
VI_ATTR_INTF_PARENT_NUM Board number of the GPIB board to
which the GPIB-VXI is attached.
VI_ATTR_GPIB_PRIMARY_ADDR Primary address of the GPIB-VXI
controller used by the session.
Table 28 Attributes That Provide Memory Window Control Information