/
top_block.py
executable file
·236 lines (215 loc) · 7.93 KB
/
top_block.py
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#!/usr/bin/env python2
##################################################
# GNU Radio Python Flow Graph
# Title: Top Block
# Generated: Tue Sep 29 19:25:48 2015
##################################################
if __name__ == '__main__':
import ctypes
import sys
if sys.platform.startswith('linux'):
try:
x11 = ctypes.cdll.LoadLibrary('libX11.so')
x11.XInitThreads()
except:
print "Warning: failed to XInitThreads()"
from gnuradio import analog
from gnuradio import audio
from gnuradio import eng_notation
from gnuradio import filter
from gnuradio import gr
from gnuradio import uhd
from gnuradio import wxgui
from gnuradio.eng_option import eng_option
from gnuradio.fft import window
from gnuradio.filter import firdes
from gnuradio.wxgui import fftsink2
from gnuradio.wxgui import forms
from gnuradio.wxgui import waterfallsink2
from grc_gnuradio import wxgui as grc_wxgui
from optparse import OptionParser
import time
import wx
class top_block(grc_wxgui.top_block_gui):
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 5e6
self.freqScan = freqScan = 100.5e6
self.freqC = freqC = 100.5e6
self.fftSize = fftSize = 512
self.decimation = decimation = 20
##################################################
# Blocks
##################################################
self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "RF Spectrum")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "RF Waterfall")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "Demod")
self.Add(self.notebook_0)
_freqC_sizer = wx.BoxSizer(wx.VERTICAL)
self._freqC_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freqC_sizer,
value=self.freqC,
callback=self.set_freqC,
label='freqC',
converter=forms.float_converter(),
proportion=0,
)
self._freqC_slider = forms.slider(
parent=self.GetWin(),
sizer=_freqC_sizer,
value=self.freqC,
callback=self.set_freqC,
minimum=87.7e6,
maximum=107.7e6,
num_steps=int((107.7-87.7)*10/2.0+1),
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_freqC_sizer)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.notebook_0.GetPage(1).GetWin(),
baseband_freq=freqC,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=fftSize,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.notebook_0.GetPage(1).Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_fftsink2_1 = fftsink2.fft_sink_f(
self.notebook_0.GetPage(2).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.notebook_0.GetPage(2).Add(self.wxgui_fftsink2_1.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.notebook_0.GetPage(0).GetWin(),
baseband_freq=freqC,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=fftSize,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.notebook_0.GetPage(0).Add(self.wxgui_fftsink2_0.win)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(freqC, 0)
self.uhd_usrp_source_0.set_gain(25, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=int(48e3),
decimation=int(samp_rate/decimation),
taps=None,
fractional_bw=None,
)
self.low_pass_filter_0 = filter.fir_filter_ccf(decimation, firdes.low_pass(
1, samp_rate, 100e3, 10e3, firdes.WIN_HAMMING, 6.76))
_freqScan_sizer = wx.BoxSizer(wx.VERTICAL)
self._freqScan_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freqScan_sizer,
value=self.freqScan,
callback=self.set_freqScan,
label='freqScan',
converter=forms.float_converter(),
proportion=0,
)
self._freqScan_slider = forms.slider(
parent=self.GetWin(),
sizer=_freqScan_sizer,
value=self.freqScan,
callback=self.set_freqScan,
minimum=87.7e6,
maximum=107.7e6,
num_steps=int((107.7-87.7)*10/2.0+1),
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_freqScan_sizer)
self.audio_sink_0 = audio.sink(48000, "", True)
self.analog_wfm_rcv_0 = analog.wfm_rcv(
quad_rate=samp_rate/decimation,
audio_decimation=1,
)
##################################################
# Connections
##################################################
self.connect((self.analog_wfm_rcv_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.analog_wfm_rcv_0, 0), (self.wxgui_fftsink2_1, 0))
self.connect((self.low_pass_filter_0, 0), (self.analog_wfm_rcv_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.wxgui_waterfallsink2_0, 0))
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.samp_rate, 100e3, 10e3, firdes.WIN_HAMMING, 6.76))
self.uhd_usrp_source_0.set_samp_rate(self.samp_rate)
self.wxgui_fftsink2_0.set_sample_rate(self.samp_rate)
self.wxgui_fftsink2_1.set_sample_rate(self.samp_rate)
self.wxgui_waterfallsink2_0.set_sample_rate(self.samp_rate)
def get_freqScan(self):
return self.freqScan
def set_freqScan(self, freqScan):
self.freqScan = freqScan
self._freqScan_slider.set_value(self.freqScan)
self._freqScan_text_box.set_value(self.freqScan)
def get_freqC(self):
return self.freqC
def set_freqC(self, freqC):
self.freqC = freqC
self._freqC_slider.set_value(self.freqC)
self._freqC_text_box.set_value(self.freqC)
self.uhd_usrp_source_0.set_center_freq(self.freqC, 0)
self.wxgui_fftsink2_0.set_baseband_freq(self.freqC)
self.wxgui_waterfallsink2_0.set_baseband_freq(self.freqC)
def get_fftSize(self):
return self.fftSize
def set_fftSize(self, fftSize):
self.fftSize = fftSize
def get_decimation(self):
return self.decimation
def set_decimation(self, decimation):
self.decimation = decimation
if __name__ == '__main__':
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
(options, args) = parser.parse_args()
tb = top_block()
tb.Start(True)
tb.Wait()