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C and QuickBASIC
Programs
89
HP E1340A Sweeping and Frequency-Shift Keying
200
OUTPUT @Afg;":SOUR:VOLT:LEV:IMM:AMPL 5V" !amplitude
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OUTPUT @Afg;"INIT:IMM"
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!
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!Call subprogram which queries sweep parameters
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CALL Query
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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 Query
310 Query: !Subprogram which queries sweep parameters
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COM @Afg
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OUTPUT @Afg;"SOUR:FREQ:STAR?"
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ENTER @Afg;Sweep1$
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OUTPUT @Afg;"SOUR:FREQ:STOP?"
360
ENTER @Afg;Sweep2$
370
OUTPUT @Afg;"SOUR:FREQ:CENT?"
380
ENTER @Afg;Sweep3$
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OUTPUT @Afg;"SOUR:FREQ:SPAN?"
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ENTER @Afg;Sweep4$
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PRINT "START = ";Sweep1$,"STOP = ";Sweep2$
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PRINT
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PRINT "CENTER = ";Sweep3$,"SPAN = ";Sweep4$
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SUBEND
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!
460
SUB Rst
530
SUB Errmsg
The start, stop, center, and span values returned are:
START = +1.000000000E+003
CENTER = +1.100000000E+004
The C program SMPLSWP2.C is in directory "CPROG" , and the
QuickBASIC program SMPLSWP2.BAS is in directory "QBPROG" on
the example program disk HP P/N E1340-10036.
!wait-for-arm state
!allow interrupt to be serviced
STOP = +2.100000000E+004
SPAN = +2.000000000E+004
Chapter 4
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