Measurement-computing GPIB-488 Manuel d'utilisateur Page 17

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Chapter 3 GPIB 488.1 Library Reference
Programming Reference Manual 3-4 GPIB-488
IbaEOSrd bd/dev
0 = ignore EOS char during reads
non zero = terminate read when EOS char is received
IbaEOSwrt bd/dev
0 = don’t assert EOI line when EOS char is sent
non zero = assert EOI line whenever EOS char is sent
IbaEOScmp bd/dev
0 = 7 bit compare is used when checking for EOS char
non zero = 8 bit compare is used when checking for EOS
char
IbaEOSchar bd/dev
0 = The current EOS char of board or device
IbaPP2 bd
0 = board is in remote parallel poll configuration
non zero = board is in local parallel poll configuration
IbaTiming bd
Current T1 timing delay 1 = Normal (2 us), 2 = High
Speed (500 ns), 3 = Very High Speed (350 ns)
IbaDMA bd
0 = The interface does not use DMA for GPIB transfers
non zero = The interface uses DMA for GPIB transfers
IbaSendLLO bd
0 = LLO command is not sent when device is put online
non zero = LLO command is sent
IbaSPollTime dev
Length of time to wait for parallel poll response before
timing out
IbaPPollTime bd
Length of time to wait for parallel port response
IbaEndBitIsNormal bd
0 = The END bit of ibsta is not set when the EOS
character is received without EOI.
non zero = The END bit of ibsta is set when the EOS
character is received
IbaUnAddr dev
0 = The untalk and unlisten (UNT, UNL) are not sent after
each device level read/write
non zero = The UNT, UNL commands are sent after each
device lever read/write
IbaIST bd
The individual status (ist) bit of the interface
IbaBNA dev
Device’s access board
Table 3-2. ibask Options (Continued)
Option Valid for Information returned
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