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7. Enable the Interrupt.
1. To enable the interrupt in HP
"ENABLE INTR 7;2"
2. After this command is executed, an SRQ from the Test Sets' GPIB interface will cause the application
program to branch to the subprogram specified in the ON INTR command (see previous step).
The number 7 is the Interface Select Code for the
Test Set's GPIB, and the number 2 is the decimal
equivalent for bit 1, the SRQ Received bit in the
GPIB Status Register.
Controller GPIB Interface Card
7
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®
BASIC, the following command is executed:
GPIB Status Register 4
5
6
4
3
2
1
0
SRQ
Received
(Bit 1)
Interface Select Code 7
Performs service request
function via SRQ Interface
Message.
MODULATION
INPUT
COMPOSITE
VIDEO
CELLSITE/TRIGGERS
PROTOCOL SERIAL
EXT REF
INPUT
SRQ Interface Message
Chapter 4, Status Reporting
Setting up an SRQ Interrupt
EVEN SEC
INPUT
AUD MONITOR
CDMA CLOCK
SA TRIG
OUTPUT
MUX OUTPUT
OUTPUT
PARALLEL PORT
TRAFFIC CHANNEL
SERIAL PORT 9
LOGGING (DCS1>)
PAGING CHANNEL
SERIAL PORT 10
LOGGING (DCS2>)
HP-IB
16X CHIP
OUTPUT
10 MHz
OUTPUT
po 8285bck.eps
227
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