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Programming Guide 3-7

ESG Family Signal Generators Remote Data Transfer

ARB Waveform Data Downloads

Example Programs

Waveform Downloading Using HP BASIC for Windows

 The following program

shows you how to download waveforms using HP BASIC for Windows

 into volatile ARB

memory.

To download into nonvolatile ARB memory, replace line 80 with:

80 OUTPUT @ESG USING "#,K";":MMEM:DATA ""NVARBI:testfile"", #"

and replace line 130 with:

130 OUTPUT @ESG USING "#,K";":MMEM:DATA ""NVARBQ:testfile"", #"

First, the I waveform data is put into an array of integers called Iwfm_data and the Q

waveform data is put into an array of integers called Qwfm_data. The variable Nbytes is

set to equal the number of bytes in the I waveform data. This should be twice the number

of integers in Iwfm_data, since an integer is 2 bytes. Input integers must be between 0 and

16383.

In the Output commands, USING “#,K” formats the data. The pound symbol (#) suppresses

the automatic EOL (End of Line) output. This allows multiple output commands to be

concatenated as if they were a single output. The “K” instructs HP BASIC to output the

following numbers or strings in the default format.

5 Npoints=20

10 ALLOCATE INTEGER Iwfm_data(1:Npoints),Qwfm_data(1:Npoints)

15 DEG

20 FOR I=1 TO Npoints

25 Iwfm_data(I)=INT(8191*(COS(I*360/Npoints))+8192)

30 Qwfm_data(I)=INT(8191*(COS(I*360/Npoints))+8192)

35 NEXT I

40 Nbytes=2*Npoints

45 Assign @ESG to 719

50 Assign @ESGb to 719; FORMAT MSB FIRST

60 Nbytes$=VAL$(Nbytes)

70 Ndigits$=VAL$(LEN$(Nbytes$))

80 OUTPUT @ESG USING "#,K";":MMEM:DATA ""ARBI:testfile"", #"

90 OUTPUT @ESG USING "#,K";Ndigits$

100 OUTPUT @ESG USING "#,K";Nbytes

110 OUTPUT @ESGb;Iwfm_data(*)

120 OUTPUT @ESG;

130 OUTPUT @ESG USING "#,K";":MMEM:DATA ""ARBQ:testfile"", #"

140 OUTPUT @ESG USING "#,K";Ndigits$

150 OUTPUT @ESG USING "#,K";Nbytes$

160 OUTPUT @ESGb;Qwfm_data(*)

170 OUTPUT @ESG;

180 Assign @ESG TO *

190 Assign @ESGb TO *

200 END

1 2 ... 184 185 186 187 188 189 190 191 192 193 194 ... 258 259

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