*PRE
Parallel Poll Enable
Syntax:
*PRE
<mask>
Parameters:
<mask>
is
an integer in the range
0
to
255
inclusive. The value of this number
is
written into the Parallel Poll Enable register.
Function:
This command sets the Parallel Poll Enable register bits. The Parallel Poll
Enable register
is
used in conjunction with the Status Byte to generate the IST
(Individual Status) message. See Appendix
C
for a detailed description of the
Event Status Register.
The Parallel Poll Enable Register
is
set to
0
at power-on. The Parallel Poll
Enable Register is an Sbit, bit mapped register, with each bit signifying
a
different condition. The bits and their significance are detailed below:
(
Message Available Mask
Event Status Byte Mask
Master Summary Status Mask
7654321
O-
New Data Available
I
Error Queue Mark
/ /
Parallel Poll Enable Register
1
1
:4eyU:;
Data Available
Not Used
Related Commands: *]ST, *PRE?, *STB?*PRE?
*
PRE?
Parallel Poll Enable Query
Syntax:
*PRE?
Parameters:
None
Function:
This query returns the contents of the Parallel Poll Enable register. See the
*PRE command for a description of the Parallel Poll Enable register. See
Appendix
C
for a detailed description of the Event Status Register.
Returns: <mask>
<mask> is
of
type <number> and represents an unsigned integer in the range
0
to
255.
Related Commands: *]ST, *PRE, *STB?
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