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dsd_grc.py
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#!/usr/bin/env python
##################################################
# Gnuradio Python Flow Graph
# Title: Dsd Grc
# Generated: Mon Mar 9 22:22:58 2015
##################################################
from gnuradio import analog
from gnuradio import eng_notation
from gnuradio import filter
from gnuradio import gr
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 scopesink2
from gnuradio.wxgui import waterfallsink2
from grc_gnuradio import wxgui as grc_wxgui
from optparse import OptionParser
import math
import osmosdr
import time
import wx
class dsd_grc(grc_wxgui.top_block_gui):
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Dsd Grc")
##################################################
# Variables
##################################################
self.xlate_offset_fine = xlate_offset_fine = 0
self.target_freq = target_freq = 855462000
self.samp_rate = samp_rate = 1000000
self.samp_per_sym = samp_per_sym = 10
self.decim = decim = 15
self.center_freq = center_freq = 855700000
self.xlate_bandwidth = xlate_bandwidth = 12500
self.variable_static_text_0 = variable_static_text_0 = target_freq+xlate_offset_fine
self.tuning_error = tuning_error = 0
self.tune_offset = tune_offset = target_freq - center_freq
self.pre_channel_rate = pre_channel_rate = samp_rate/decim
self.gain = gain = 25
self.channel_rate = channel_rate = 4800*samp_per_sym
self.audio_mul = audio_mul = 0
##################################################
# Blocks
##################################################
_xlate_offset_fine_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_offset_fine_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_xlate_offset_fine_sizer,
value=self.xlate_offset_fine,
callback=self.set_xlate_offset_fine,
label="Fine Offset",
converter=forms.float_converter(),
proportion=0,
)
self._xlate_offset_fine_slider = forms.slider(
parent=self.GetWin(),
sizer=_xlate_offset_fine_sizer,
value=self.xlate_offset_fine,
callback=self.set_xlate_offset_fine,
minimum=-10000,
maximum=10000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_xlate_offset_fine_sizer)
_xlate_bandwidth_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_bandwidth_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
label="Xlate BW",
converter=forms.float_converter(),
proportion=0,
)
self._xlate_bandwidth_slider = forms.slider(
parent=self.GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
minimum=5000,
maximum=50000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_xlate_bandwidth_sizer)
self._tuning_error_text_box = forms.text_box(
parent=self.GetWin(),
value=self.tuning_error,
callback=self.set_tuning_error,
label="Tuning Error",
converter=forms.float_converter(),
)
self.Add(self._tuning_error_text_box)
self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB-1")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB-2")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Xlate-1")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Xlate-2")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "4FSK")
self.Add(self.nb)
_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
label="Gain",
converter=forms.float_converter(),
proportion=0,
)
self._gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
minimum=0,
maximum=50,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_gain_sizer)
self.wxgui_waterfallsink2_0_0 = waterfallsink2.waterfall_sink_c(
self.nb.GetPage(3).GetWin(),
baseband_freq=0,
dynamic_range=10,
ref_level=10,
ref_scale=2.0,
sample_rate=channel_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.nb.GetPage(3).Add(self.wxgui_waterfallsink2_0_0.win)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.nb.GetPage(1).GetWin(),
baseband_freq=center_freq,
dynamic_range=100,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
win=window.flattop,
)
self.nb.GetPage(1).Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_f(
self.nb.GetPage(4).GetWin(),
title="Scope Plot",
sample_rate=channel_rate,
v_scale=1.5,
v_offset=0,
t_scale=0.05,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.nb.GetPage(4).Add(self.wxgui_scopesink2_1.win)
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.nb.GetPage(2).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=channel_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
win=window.flattop,
)
self.nb.GetPage(2).Add(self.wxgui_fftsink2_0_0.win)
def wxgui_fftsink2_0_0_callback(x, y):
self.set_0(x)
self.wxgui_fftsink2_0_0.set_callback(wxgui_fftsink2_0_0_callback)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.nb.GetPage(0).GetWin(),
baseband_freq=center_freq,
y_per_div=20,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.nb.GetPage(0).Add(self.wxgui_fftsink2_0.win)
def wxgui_fftsink2_0_callback(x, y):
self.set_target_freq(x)
self.wxgui_fftsink2_0.set_callback(wxgui_fftsink2_0_callback)
self._variable_static_text_0_static_text = forms.static_text(
parent=self.GetWin(),
value=self.variable_static_text_0,
callback=self.set_variable_static_text_0,
label="Final freq",
converter=forms.float_converter(),
)
self.Add(self._variable_static_text_0_static_text)
self._target_freq_text_box = forms.text_box(
parent=self.GetWin(),
value=self.target_freq,
callback=self.set_target_freq,
label="Target freq",
converter=forms.float_converter(),
)
self.Add(self._target_freq_text_box)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=pre_channel_rate,
decimation=channel_rate,
taps=None,
fractional_bw=None,
)
self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.osmosdr_source_0.set_sample_rate(samp_rate)
self.osmosdr_source_0.set_center_freq(center_freq+tuning_error, 0)
self.osmosdr_source_0.set_freq_corr(0, 0)
self.osmosdr_source_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_0.set_gain_mode(False, 0)
self.osmosdr_source_0.set_gain(14, 0)
self.osmosdr_source_0.set_if_gain(gain, 0)
self.osmosdr_source_0.set_bb_gain(gain, 0)
self.osmosdr_source_0.set_antenna("", 0)
self.osmosdr_source_0.set_bandwidth(0, 0)
self.low_pass_filter_0 = filter.fir_filter_fff(1, firdes.low_pass(
1, channel_rate, 6000, 500, firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(decim, (firdes.low_pass(1, samp_rate, xlate_bandwidth/2, 3000)), tune_offset+xlate_offset_fine, samp_rate)
_audio_mul_sizer = wx.BoxSizer(wx.VERTICAL)
self._audio_mul_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_audio_mul_sizer,
value=self.audio_mul,
callback=self.set_audio_mul,
label="Audio mul",
converter=forms.float_converter(),
proportion=0,
)
self._audio_mul_slider = forms.slider(
parent=self.GetWin(),
sizer=_audio_mul_sizer,
value=self.audio_mul,
callback=self.set_audio_mul,
minimum=-30,
maximum=10,
num_steps=40,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_audio_mul_sizer)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1.0)
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.wxgui_scopesink2_1, 0))
self.connect((self.osmosdr_source_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.osmosdr_source_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.wxgui_waterfallsink2_0_0, 0))
def get_xlate_offset_fine(self):
return self.xlate_offset_fine
def set_xlate_offset_fine(self, xlate_offset_fine):
self.xlate_offset_fine = xlate_offset_fine
self._xlate_offset_fine_slider.set_value(self.xlate_offset_fine)
self._xlate_offset_fine_text_box.set_value(self.xlate_offset_fine)
self.set_variable_static_text_0(self.target_freq+self.xlate_offset_fine)
self.freq_xlating_fir_filter_xxx_0.set_center_freq(self.tune_offset+self.xlate_offset_fine)
def get_target_freq(self):
return self.target_freq
def set_target_freq(self, target_freq):
self.target_freq = target_freq
self.set_tune_offset(self.target_freq - self.center_freq)
self.set_variable_static_text_0(self.target_freq+self.xlate_offset_fine)
self._target_freq_text_box.set_value(self.target_freq)
def get_samp_rate(self):
return self.samp_rate
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.set_pre_channel_rate(self.samp_rate/self.decim)
self.wxgui_waterfallsink2_0.set_sample_rate(self.samp_rate)
self.wxgui_fftsink2_0.set_sample_rate(self.samp_rate)
self.freq_xlating_fir_filter_xxx_0.set_taps((firdes.low_pass(1, self.samp_rate, self.xlate_bandwidth/2, 3000)))
self.osmosdr_source_0.set_sample_rate(self.samp_rate)
def get_samp_per_sym(self):
return self.samp_per_sym
def set_samp_per_sym(self, samp_per_sym):
self.samp_per_sym = samp_per_sym
self.set_channel_rate(4800*self.samp_per_sym)
def get_decim(self):
return self.decim
def set_decim(self, decim):
self.decim = decim
self.set_pre_channel_rate(self.samp_rate/self.decim)
def get_center_freq(self):
return self.center_freq
def set_center_freq(self, center_freq):
self.center_freq = center_freq
self.set_tune_offset(self.target_freq - self.center_freq)
self.wxgui_waterfallsink2_0.set_baseband_freq(self.center_freq)
self.wxgui_fftsink2_0.set_baseband_freq(self.center_freq)
self.osmosdr_source_0.set_center_freq(self.center_freq+self.tuning_error, 0)
def get_xlate_bandwidth(self):
return self.xlate_bandwidth
def set_xlate_bandwidth(self, xlate_bandwidth):
self.xlate_bandwidth = xlate_bandwidth
self._xlate_bandwidth_slider.set_value(self.xlate_bandwidth)
self._xlate_bandwidth_text_box.set_value(self.xlate_bandwidth)
self.freq_xlating_fir_filter_xxx_0.set_taps((firdes.low_pass(1, self.samp_rate, self.xlate_bandwidth/2, 3000)))
def get_variable_static_text_0(self):
return self.variable_static_text_0
def set_variable_static_text_0(self, variable_static_text_0):
self.variable_static_text_0 = variable_static_text_0
self._variable_static_text_0_static_text.set_value(self.variable_static_text_0)
def get_tuning_error(self):
return self.tuning_error
def set_tuning_error(self, tuning_error):
self.tuning_error = tuning_error
self._tuning_error_text_box.set_value(self.tuning_error)
self.osmosdr_source_0.set_center_freq(self.center_freq+self.tuning_error, 0)
def get_tune_offset(self):
return self.tune_offset
def set_tune_offset(self, tune_offset):
self.tune_offset = tune_offset
self.freq_xlating_fir_filter_xxx_0.set_center_freq(self.tune_offset+self.xlate_offset_fine)
def get_pre_channel_rate(self):
return self.pre_channel_rate
def set_pre_channel_rate(self, pre_channel_rate):
self.pre_channel_rate = pre_channel_rate
def get_gain(self):
return self.gain
def set_gain(self, gain):
self.gain = gain
self._gain_slider.set_value(self.gain)
self._gain_text_box.set_value(self.gain)
self.osmosdr_source_0.set_if_gain(self.gain, 0)
self.osmosdr_source_0.set_bb_gain(self.gain, 0)
def get_channel_rate(self):
return self.channel_rate
def set_channel_rate(self, channel_rate):
self.channel_rate = channel_rate
self.wxgui_waterfallsink2_0_0.set_sample_rate(self.channel_rate)
self.wxgui_fftsink2_0_0.set_sample_rate(self.channel_rate)
self.wxgui_scopesink2_1.set_sample_rate(self.channel_rate)
self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.channel_rate, 6000, 500, firdes.WIN_HAMMING, 6.76))
def get_audio_mul(self):
return self.audio_mul
def set_audio_mul(self, audio_mul):
self.audio_mul = audio_mul
self._audio_mul_slider.set_value(self.audio_mul)
self._audio_mul_text_box.set_value(self.audio_mul)
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()"
parser = OptionParser(option_class=eng_option, usage="%prog: [options]")
(options, args) = parser.parse_args()
tb = dsd_grc()
tb.Start(True)
tb.Wait()