HP E1368A User Manual
Page 45
For the example, use:
•
an HP-IB select code of 7, primary address of 09, and secondary
address of 15 for the Microwave Switch
•
an HP Series 200/300 Computer with HP BASIC
Execute:
10
!Call computer subprogram “Errmsg” if a Microwave
20
!Switch programming error occurs. Enable the computer to respond
30
!to an interrupt from the Microwave Switch.
35
!
40
ON INTR 7 CALL Errmsg
50
ENABLE INTR 7:2
60
!
70
!Unmask the Event Status bit in the Microwave Switch’s Status
80
!Register. Unmask the Microwave Switch error conditions in its
90
!Standard Event Status Register.
95
!
100 OUTPUT 70915;"*SRE 32"
110 OUTPUT 70915;"*ESE 60"
120 !
130 !At this point, the Microwave Switch is programmed for the intended
140 !application.
145 !
150 OUTPUT 70915;" . . .
160 OUTPUT 70915;" . . .
170 ENTER 70915; . . .
180 PRINT . . .
190 END
200 !
210 !When an error occurs, clear the Microwave Switch to regain
220 !control. Execute a Serial Poll to clear the service request
230 !bit in the Status Register. Read all error messages in the
240 !Microwave Switch error queue. Clear all bits in the counter
250 !Standard Event Status Register.
255 !
260 SUB Errmsg
270 DIM Message$[256]
280 CLEAR 70915
290 B=SPOLL (70915
300 REPEAT
310 OUTPUT 70915; “SYST:ERR?”
320 ENTER 70915; Code, Message$
330 PRINT Code,Message$
340 UNTIL Code=0
44 Using the HP E1368A/69A/70A Modules
Chapter 3
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