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HP IBASIC (EXT_ARM)
C and QuickBASIC
Programs
Chapter 5
1
!RE-SAVE"EXT_ARM"
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!This program arms the AFG with an external signal applied to the
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!AFG's "Aux In" port. When armed, the AFG outputs 100 cycles
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!of a 10 kHz, 1 Vpp square wave.
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!
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!Assign I/O path between IBASIC and the E1340A.
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ASSIGN @Afg TO 80910
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COM @Afg
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!
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!Set up error checking
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ON INTR 8 CALL Errmsg
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ENABLE INTR 8;2
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OUTPUT @Afg;"*CLS"
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OUTPUT @Afg;"*SRE 32"
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OUTPUT @Afg;"*ESE 60"
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!
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!Call the subprogram which resets the AFG.
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CALL Rst
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!
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!Set AFG parameters
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OUTPUT @Afg;"SOUR:FREQ:MODE FIX;";!frequency mode
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OUTPUT @Afg;":SOUR:FREQ:FIX 1E3;";!frequency
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OUTPUT @Afg;":SOUR:FUNC:SHAP SQU;"; !function
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OUTPUT @Afg;":SOUR:VOLT:LEV:IMM:AMPL 1VPP;"; !amplitude
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OUTPUT @Afg;":ARM:STAR:LAY2:SOUR EXT;"; !arm source
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OUTPUT @Afg;":ARM:STAR:LAY2:COUN INF;"; !arm count
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OUTPUT @Afg;":ARM:STAR:LAY1:COUN 1E3" !cycle count
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OUTPUT @Afg;"INIT:IMM"
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!
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WAIT .1
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OFF INTR 8
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END
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!
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SUB Rst
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SUB Errmsg
The C program EXT_ARM.C is in directory " CPROG" , and the
QuickBASIC program EXT_ARM.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
98
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