National Instruments GPIB-232CT, Руководство пользователя

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G Mode Functions Chapter 8
GPIB-232CT User Manual
8-12 © National Instruments Corp.
srqen - Enable/Disable Setting of SRQ
Type: GPIB Configuration function
Syntax:
srq en [mask]
<CR>
Purpose: You use
srqen
when you wish to allow the GPIB-232CT to
assert SRQ under the conditions described in Chapter 7 in the
section entitled
Operation of the GPIB-232CT as a Serial
Device .
Remarks: When the argument
mask
is 0, the GPIB-232CT will never
assert SRQ. When the argument
mask
is > 0, the
GPIB-232CT will assert SRQ under the conditions
represented by each bit in the
mask
. The
mask
bits are as
follows:
Table 8-2. SRQ Mask Bits
!
Hex Decimal Mne-
Bit Value Value monic Description
!
!
0 1 1 — Not used
!
!
1 2 2 BF Serial port receive buffer full and
serial device not addressed to talk
!
!
2 4 4 GERR GPIB error - (see
stat
)
!
!
3 8 8 SERR Serial error - (see
stat
)
!
!
4 10 16 BNE Serial port receive buffer not
empty and serial device not
addressed to talk
!
!
5 20 32 EOS EOS character received and serial
device not addressed to talk
!
!
6 40 64 — Not used
!
!
7 80 128 — Not used
!