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annotate anritsu_ms2034a_example.py @ 35:eaee6ea8d14e

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Add experiment to look at the FM band. Put start/stop frequency in the filename.
author Daniel O'Connor <darius@dons.net.au>
date Wed, 28 Sep 2011 09:21:31 +0930
parents 9ce709b7da4b
children 91b476ebc0f2
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1 #!/usr/bin/env python
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2
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3 # Copyright (c) 2011
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4 # Daniel O'Connor <darius@dons.net.au>. All rights reserved.
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5 #
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6 # Redistribution and use in source and binary forms, with or without
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7 # modification, are permitted provided that the following conditions
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8 # are met:
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9 # 1. Redistributions of source code must retain the above copyright
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10 # notice, this list of conditions and the following disclaimer.
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11 # 2. Redistributions in binary form must reproduce the above copyright
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12 # notice, this list of conditions and the following disclaimer in the
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13 # documentation and/or other materials provided with the distribution.
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14 #
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15 # THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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16 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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17 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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18 # ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
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19 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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20 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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21 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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22 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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23 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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24 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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25 # SUCH DAMAGE.
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26 #
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28 import numpy
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29 from matplotlib import pylab
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30 import vxi
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31 import scpi
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33 def test(r):
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34 # ID instrument
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35 r.write('*IDN?')
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36 print "ID is " + r.read(5)
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38 # XXX: Don't do this, on this device it resets the ethernet settings (duuuh)
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39 # Reset to defaults
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40 #r.write("*RST")
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42 # Grab trace data
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43 r.write("TRAC1? TRACE1")
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44 data = r.read(10)
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45 #print "Data - " + dat
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46 #ary = ascdecode(data)
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47 ary = bindecode(data)
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49 # Plot data
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50 pylab.plot(ary)
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51 pylab.show()
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53 if __name__ == '__main__':
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54 r = vxi.VXIDevice('192.168.42.51', device='inst0')
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55 test(r)
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