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HP IBASIC (BURST)
C and QuickBASIC
Programs
Chapter 5
1
!RE-SAVE"BURST"
2
!This program sets the arm count to infinity and the waveform
3
!repetition count to 5. The arm source is set to external and a
4
!1 kHz square wave is applied to "Aux In" connector. The AFG outputs
5
!a 5 cycle burst on each positive edge of the external arm signal.
6
!
10
!Assign I/O path between IBASIC and the E1340A.
20
ASSIGN @Afg TO 80910
30
COM @Afg
40
!
50
!Set up error checking
60
ON INTR 8 CALL Errmsg
70
ENABLE INTR 8;2
80
OUTPUT @Afg;"*CLS"
90
OUTPUT @Afg;"*SRE 32"
100
OUTPUT @Afg;"*ESE 60"
110
!
120
!Call the subprogram which resets the AFG.
130
CALL Rst
140
!
150
!Set AFG parameters
160
OUTPUT @Afg;"SOUR:FREQ:FIX 10E3;";!frequency
170
OUTPUT @Afg;":SOUR:FUNC:SHAP SIN;"; !function
180
OUTPUT @Afg;":SOUR:VOLT:LEV:IMM:AMPL 2.5VPP;"; !amplitude
190
OUTPUT @Afg;":ARM:STAR:LAY2:SOUR EXT;"; !arm source
200
OUTPUT @Afg;":ARM:STAR:LAY2:SLOP POS;"; !arm slope
210
OUTPUT @Afg;":ARM:STAR:LAY2:COUN INF;"; !arm count
220
OUTPUT @Afg;":ARM:STAR:LAY1:COUN 5" !cycle count
230
OUTPUT @Afg;"INIT:IMM"
240
!
250
WAIT .1
260
OFF INTR 8
270
END
280
SUB Rst
360
SUB Errmsg
The C program BURST.C is in directory " CPROG" , and the QuickBASIC
program BURST.BAS is in directory " QBPROG" on the example program
disk HP P/N E1340-10036.
HP E1340A Arming and Marker Outputs
!wait-for-arm state
!allow interrupt to be serviced
100
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