#!/usr/bin/env python
-from gnuradio import gr, gru, blks
-from gnuradio.wxgui import stdgui, fftsink
+from gnuradio import gr, gru, blks2
+from gnuradio.wxgui import stdgui2, fftsink2
from gnuradio.eng_option import eng_option
from optparse import OptionParser
import wx
return src
-class test_graph (stdgui.gui_flow_graph):
+class test_graph (stdgui2.std_top_block):
def __init__(self, frame, panel, vbox, argv):
- stdgui.gui_flow_graph.__init__(self, frame, panel, vbox, argv)
+ stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
parser = OptionParser (option_class=eng_option)
(options, args) = parser.parse_args ()
mpoints = 16
ampl = 1000
- enable = mpoints * [0]
+ enable = mpoints/2 * [1, 0]
enable[0] = 1
taps = gr.firdes.low_pass(1, # gain
1.0/mpoints * 0.1, # trans width
gr.firdes.WIN_HANN)
- synth = blks.synthesis_filterbank(self, mpoints, taps)
+ synth = blks2.synthesis_filterbank(mpoints, taps)
null_source = gr.null_source(gr.sizeof_gr_complex)
- if 0:
+ if 1:
for i in range(mpoints):
s = gr.sig_source_c(sample_rate/mpoints, gr.GR_SIN_WAVE,
300e3, ampl * enable[i], 0)
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)
+ if i == 1:
+ #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)
+ fft = fftsink2.fft_sink_c(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 = stdgui2.stdapp (test_graph, "Test DFT filterbank")
app.MainLoop ()
if __name__ == '__main__':