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authorjcorgan2008-01-19 19:16:31 +0000
committerjcorgan2008-01-19 19:16:31 +0000
commitd830a4547256be3096db83118f6e9ffe299f8ecf (patch)
treeaff290e911ce0350c9e56f6197538bed2d9dd496 /gnuradio-examples/python/usrp/limbo
parent0e47d4d37249d01d3b15684b95c941731c0505e4 (diff)
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Fixes ticket:229. Fixed code in synthesis filterbank, restored test programs from limbo and upgraded to use blks2.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@7476 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gnuradio-examples/python/usrp/limbo')
-rwxr-xr-xgnuradio-examples/python/usrp/limbo/test_dft_analysis.py72
-rwxr-xr-xgnuradio-examples/python/usrp/limbo/test_dft_synth.py79
2 files changed, 0 insertions, 151 deletions
diff --git a/gnuradio-examples/python/usrp/limbo/test_dft_analysis.py b/gnuradio-examples/python/usrp/limbo/test_dft_analysis.py
deleted file mode 100755
index a1d9eda46..000000000
--- a/gnuradio-examples/python/usrp/limbo/test_dft_analysis.py
+++ /dev/null
@@ -1,72 +0,0 @@
-#!/usr/bin/env python
-
-from gnuradio import gr, gru, blks
-from gnuradio.wxgui import stdgui, fftsink, slider
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-import wx
-
-class test_graph (stdgui.gui_flow_graph):
- def __init__(self, frame, panel, vbox, argv):
- stdgui.gui_flow_graph.__init__(self, frame, panel, vbox, argv)
-
- parser = OptionParser (option_class=eng_option)
- (options, args) = parser.parse_args ()
-
- sample_rate = 16e3
- mpoints = 4
- ampl = 1000
- freq = 0
-
- lo_freq = 1e6
- lo_ampl = 1
-
- vbox.Add(slider.slider(panel,
- -sample_rate/2, sample_rate/2,
- self.set_lo_freq), 0, wx.ALIGN_CENTER)
-
-
- src = gr.sig_source_c(sample_rate, gr.GR_CONST_WAVE,
- freq, ampl, 0)
-
- self.lo = gr.sig_source_c(sample_rate, gr.GR_SIN_WAVE,
- lo_freq, lo_ampl, 0)
-
- mixer = gr.multiply_cc()
- self.connect(src, (mixer, 0))
- self.connect(self.lo, (mixer, 1))
-
- # We add these throttle blocks so that this demo doesn't
- # suck down all the CPU available. Normally you wouldn't use these.
- thr = gr.throttle(gr.sizeof_gr_complex, sample_rate)
-
- taps = gr.firdes.low_pass(1, # gain
- 1, # rate
- 1.0/mpoints * 0.4, # cutoff
- 1.0/mpoints * 0.1, # trans width
- gr.firdes.WIN_HANN)
- print len(taps)
- analysis = blks.analysis_filterbank(self, mpoints, taps)
-
- self.connect(mixer, thr)
- self.connect(thr, analysis)
-
- for i in range(mpoints):
- fft = fftsink.fft_sink_c(self, frame, fft_size=128,
- sample_rate=sample_rate/mpoints,
- fft_rate=5,
- title="Ch %d" % (i,))
- self.connect((analysis, i), fft)
- vbox.Add(fft.win, 1, wx.EXPAND)
-
- def set_lo_freq(self, freq):
- self.lo.set_frequency(freq)
-
-
-
-def main ():
- app = stdgui.stdapp (test_graph, "Test DFT filterbank")
- app.MainLoop ()
-
-if __name__ == '__main__':
- main ()
diff --git a/gnuradio-examples/python/usrp/limbo/test_dft_synth.py b/gnuradio-examples/python/usrp/limbo/test_dft_synth.py
deleted file mode 100755
index 60a49e3b3..000000000
--- a/gnuradio-examples/python/usrp/limbo/test_dft_synth.py
+++ /dev/null
@@ -1,79 +0,0 @@
-#!/usr/bin/env python
-
-from gnuradio import gr, gru, blks
-from gnuradio.wxgui import stdgui, fftsink
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-import wx
-import random
-
-
-def make_random_complex_tuple(L, gain=1):
- result = []
- for x in range(L):
- result.append(gain * complex(random.gauss(0, 1),random.gauss(0, 1)))
-
- return tuple(result)
-
-def random_noise_c(gain=1):
- src = gr.vector_source_c(make_random_complex_tuple(32*1024, gain), True)
- return src
-
-
-class test_graph (stdgui.gui_flow_graph):
- def __init__(self, frame, panel, vbox, argv):
- stdgui.gui_flow_graph.__init__(self, frame, panel, vbox, argv)
-
- parser = OptionParser (option_class=eng_option)
- (options, args) = parser.parse_args ()
-
- sample_rate = 16e6
- mpoints = 16
- ampl = 1000
-
- enable = mpoints * [0]
- enable[0] = 1
-
- taps = gr.firdes.low_pass(1, # gain
- 1, # rate
- 1.0/mpoints * 0.4, # cutoff
- 1.0/mpoints * 0.1, # trans width
- gr.firdes.WIN_HANN)
-
- synth = blks.synthesis_filterbank(self, mpoints, taps)
-
- null_source = gr.null_source(gr.sizeof_gr_complex)
-
- if 0:
- for i in range(mpoints):
- s = gr.sig_source_c(sample_rate/mpoints, gr.GR_SIN_WAVE,
- 300e3, ampl * enable[i], 0)
- self.connect(s, (synth, i))
-
- else:
- for i in range(mpoints):
- if i == 0:
- s = gr.sig_source_c(sample_rate/mpoints, gr.GR_SIN_WAVE,
- 300e3, ampl * enable[i], 0)
- #s = random_noise_c(ampl)
- self.connect(s, (synth, i))
- else:
- self.connect(null_source, (synth, i))
-
-
- # We add these throttle blocks so that this demo doesn't
- # suck down all the CPU available. Normally you wouldn't use these.
- thr = gr.throttle(gr.sizeof_gr_complex, sample_rate)
- fft = fftsink.fft_sink_c(self, frame, fft_size=1024,
- sample_rate=sample_rate)
- vbox.Add(fft.win, 1, wx.EXPAND)
-
- self.connect(synth, thr, fft)
-
-
-def main ():
- app = stdgui.stdapp (test_graph, "Test DFT filterbank")
- app.MainLoop ()
-
-if __name__ == '__main__':
- main ()