def __init__(self):
gr.top_block.__init__(self)
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=6,
taps=None,
fractional_bw=None,
)
# self.fcdproplus_fcdproplus_0 = fcdproplus.fcdproplus("",1)
# self.fcdproplus_fcdproplus_0.set_lna(1)
# self.fcdproplus_fcdproplus_0.set_mixer_gain(1)
# self.fcdproplus_fcdproplus_0.set_if_gain(20)
# self.fcdproplus_fcdproplus_0.set_freq_corr(0)
# self.fcdproplus_fcdproplus_0.set_freq(70050000)
self.fcdproplus_fcdproplus_0 = fcdproplus.fcdproplus("",1)
self.fcdproplus_fcdproplus_0.set_lna(0)
self.fcdproplus_fcdproplus_0.set_mixer_gain(0)
self.fcdproplus_fcdproplus_0.set_if_gain(30) # new board, cal 17/12/17
#self.fcdproplus_fcdproplus_0.set_if_gain(38) # new board, cal 17/12/17
#self.fcdproplus_fcdproplus_0.set_if_gain(47) # new board
# self.fcdproplus_fcdproplus_0.set_if_gain(38) # old board
self.fcdproplus_fcdproplus_0.set_freq_corr(0)
#delta=180
delta=255
self.fcdproplus_fcdproplus_0.set_freq(21406000+delta)
# self.fcdproplus_fcdproplus_0.set_freq(21400000)
# self.fcdproplus_fcdproplus_0.set_freq(29210000)
self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
self.audio_sink_0 = audio.sink(samp_rate, "skype", True)
##################################################
# Connections
##################################################
self.connect((self.blocks_complex_to_float_0, 0), (self.audio_sink_0, 0))
self.connect((self.blocks_complex_to_float_0, 1), (self.audio_sink_0, 1))
self.connect((self.fcdproplus_fcdproplus_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_complex_to_float_0, 0))
def __init__(self,
bb_gain=20,
destination='localhost',
filter_width=20000,
freq=145e6,
freq_corr=0,
gpredict_port=4532,
if_gain=20,
offset=40e3,
port=7355,
rf_gain=40):
gr.top_block.__init__(
self, "FM/FSK receiver for a FUNcube Dongle Pro+ device")
##################################################
# Parameters
##################################################
self.bb_gain = bb_gain
self.destination = destination
self.filter_width = filter_width
self.freq = freq
self.freq_corr = freq_corr
self.gpredict_port = gpredict_port
self.if_gain = if_gain
self.offset = offset
self.port = port
self.rf_gain = rf_gain
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 192e3
self.doppler_freq = doppler_freq = freq
##################################################
# Blocks
##################################################
self.gpredict_doppler_0 = gpredict.doppler('localhost', gpredict_port,
False)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
4,
firdes.low_pass(1, samp_rate, filter_width / 2.0,
filter_width / 20.0), doppler_freq - freq + offset,
samp_rate)
self.fcdproplus_fcdproplus_0 = fcdproplus.fcdproplus('', 1)
self.fcdproplus_fcdproplus_0.set_lna(0)
self.fcdproplus_fcdproplus_0.set_mixer_gain(0)
self.fcdproplus_fcdproplus_0.set_if_gain(0)
self.fcdproplus_fcdproplus_0.set_freq_corr(0)
self.fcdproplus_fcdproplus_0.set_freq(freq - offset)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_short * 1,
destination, port, 1472, True)
self.blocks_float_to_short_0 = blocks.float_to_short(1, 32767)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(0.2)
##################################################
# Connections
##################################################
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.blocks_float_to_short_0, 0))
self.connect((self.blocks_float_to_short_0, 0),
(self.blocks_udp_sink_0, 0))
self.connect((self.fcdproplus_fcdproplus_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Meteor QPSK LRPT")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate_airspy = samp_rate_airspy = 192000
self.decim = decim = 1
self.symb_rate = symb_rate = 72000
self.samp_rate = samp_rate = samp_rate_airspy/decim
self.sps = sps = (samp_rate*1.0)/(symb_rate*1.0)
self.rfgain = rfgain = 9
self.pll_alpha = pll_alpha = 0.015
self.ifgain = ifgain = 10
self.freq = freq = 137900000
self.clock_alpha = clock_alpha = 0.001
self.bitstream_name = bitstream_name = "/tmp/meteor_LRPT_" + datetime.now().strftime("%d%m%Y_%H%M") + ".s"
##################################################
# Blocks
##################################################
self.nb_0 = self.nb_0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.nb_0.AddPage(grc_wxgui.Panel(self.nb_0), "SDR FFT")
self.nb_0.AddPage(grc_wxgui.Panel(self.nb_0), "QPSK Constellation")
self.Add(self.nb_0)
_pll_alpha_sizer = wx.BoxSizer(wx.VERTICAL)
self._pll_alpha_text_box = forms.text_box(
parent=self.nb_0.GetPage(1).GetWin(),
sizer=_pll_alpha_sizer,
value=self.pll_alpha,
callback=self.set_pll_alpha,
label="PLL Alpha",
converter=forms.float_converter(),
proportion=0,
)
self._pll_alpha_slider = forms.slider(
parent=self.nb_0.GetPage(1).GetWin(),
sizer=_pll_alpha_sizer,
value=self.pll_alpha,
callback=self.set_pll_alpha,
minimum=0.001,
maximum=0.1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.nb_0.GetPage(1).Add(_pll_alpha_sizer)
_clock_alpha_sizer = wx.BoxSizer(wx.VERTICAL)
self._clock_alpha_text_box = forms.text_box(
parent=self.nb_0.GetPage(1).GetWin(),
sizer=_clock_alpha_sizer,
value=self.clock_alpha,
callback=self.set_clock_alpha,
label="Clock Alpha",
converter=forms.float_converter(),
proportion=0,
)
self._clock_alpha_slider = forms.slider(
parent=self.nb_0.GetPage(1).GetWin(),
sizer=_clock_alpha_sizer,
value=self.clock_alpha,
callback=self.set_clock_alpha,
minimum=0.001,
maximum=0.01,
num_steps=10,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.nb_0.GetPage(1).Add(_clock_alpha_sizer)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.nb_0.GetPage(1).GetWin(),
title="Scope Plot",
sample_rate=symb_rate,
v_scale=0.5,
v_offset=0,
t_scale=0.5,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.nb_0.GetPage(1).Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.nb_0.GetPage(0).GetWin(),
baseband_freq=freq,
y_per_div=5,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=768,
fft_rate=25,
average=True,
avg_alpha=0.1,
title="Filtered Spectrum",
peak_hold=False,
)
self.nb_0.GetPage(0).Add(self.wxgui_fftsink2_0.win)
self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(1, firdes.root_raised_cosine(
1, samp_rate, symb_rate, 0.6, 361))
_rfgain_sizer = wx.BoxSizer(wx.VERTICAL)
self._rfgain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rfgain_sizer,
value=self.rfgain,
callback=self.set_rfgain,
label="RF Gain",
converter=forms.float_converter(),
proportion=0,
)
self._rfgain_slider = forms.slider(
parent=self.GetWin(),
sizer=_rfgain_sizer,
value=self.rfgain,
callback=self.set_rfgain,
minimum=1,
maximum=15,
num_steps=14,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_rfgain_sizer)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=decim,
taps=None,
fractional_bw=None,
)
_ifgain_sizer = wx.BoxSizer(wx.VERTICAL)
self._ifgain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_ifgain_sizer,
value=self.ifgain,
callback=self.set_ifgain,
label="IF Gain",
converter=forms.float_converter(),
proportion=0,
)
self._ifgain_slider = forms.slider(
parent=self.GetWin(),
sizer=_ifgain_sizer,
value=self.ifgain,
callback=self.set_ifgain,
minimum=1,
maximum=15,
num_steps=14,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_ifgain_sizer)
self.fcdproplus_fcdproplus_0 = fcdproplus.fcdproplus("0",1)
self.fcdproplus_fcdproplus_0.set_lna(1)
self.fcdproplus_fcdproplus_0.set_mixer_gain(0)
self.fcdproplus_fcdproplus_0.set_if_gain(30)
self.fcdproplus_fcdproplus_0.set_freq_corr(0)
self.fcdproplus_fcdproplus_0.set_freq(137900000)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(pll_alpha, 4)
self.digital_constellation_soft_decoder_cf_1 = digital.constellation_soft_decoder_cf(digital.constellation_calcdist(([-1-1j, -1+1j, 1+1j, 1-1j]), ([0, 1, 3, 2]), 4, 1).base())
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_cc(sps, clock_alpha**2/4.0, 0.5, clock_alpha, 0.005)
self.blocks_float_to_char_0 = blocks.float_to_char(1, 127)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, bitstream_name, False)
self.blocks_file_sink_0.set_unbuffered(False)
self.analog_rail_ff_0 = analog.rail_ff(-1, 1)
self.analog_agc_xx_0 = analog.agc_cc(1000e-4, 0.5, 1.0)
self.analog_agc_xx_0.set_max_gain(4000)
##################################################
# Connections
##################################################
self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_constellation_soft_decoder_cf_1, 0))
self.connect((self.digital_constellation_soft_decoder_cf_1, 0), (self.analog_rail_ff_0, 0))
self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.analog_agc_xx_0, 0), (self.root_raised_cosine_filter_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.blocks_float_to_char_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.analog_rail_ff_0, 0), (self.blocks_float_to_char_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.analog_agc_xx_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.fcdproplus_fcdproplus_0, 0), (self.rational_resampler_xxx_0, 0))
def __init__(self,
bb_gain=20,
destination="localhost",
freq=145e6,
freq_corr=0,
gpredict_port=4532,
if_gain=20,
offset=30e3,
port=7355,
rf_gain=40):
gr.top_block.__init__(self,
"SSB receiver for a FUNcube Dongle Pro+ device")
##################################################
# Parameters
##################################################
self.bb_gain = bb_gain
self.destination = destination
self.freq = freq
self.freq_corr = freq_corr
self.gpredict_port = gpredict_port
self.if_gain = if_gain
self.offset = offset
self.port = port
self.rf_gain = rf_gain
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 192e3
self.doppler_freq = doppler_freq = freq
##################################################
# Blocks
##################################################
self.gpredict_doppler_0 = gpredict.doppler(self.set_doppler_freq,
"localhost", 4532, False)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
4, (firdes.low_pass(1, samp_rate, 1500, 500)),
doppler_freq - freq + offset, samp_rate)
self.fcdproplus_fcdproplus_0 = fcdproplus.fcdproplus("", 1)
self.fcdproplus_fcdproplus_0.set_lna(0)
self.fcdproplus_fcdproplus_0.set_mixer_gain(0)
self.fcdproplus_fcdproplus_0.set_if_gain(0)
self.fcdproplus_fcdproplus_0.set_freq_corr(0)
self.fcdproplus_fcdproplus_0.set_freq(freq - offset)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_short * 1,
destination, port, 1472, True)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_float_to_short_0 = blocks.float_to_short(1, 32767)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.analog_sig_source_x_0 = analog.sig_source_c(
48000, analog.GR_COS_WAVE, 1500, 1, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_complex_to_real_0, 0),
(self.blocks_float_to_short_0, 0))
self.connect((self.blocks_float_to_short_0, 0),
(self.blocks_udp_sink_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.blocks_complex_to_real_0, 0))
self.connect((self.fcdproplus_fcdproplus_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.blocks_multiply_xx_0, 1))
def __init__(self):
gr.top_block.__init__(self, "FM radio to test FCDPROplus")
Qt.QWidget.__init__(self)
self.setWindowTitle("FM radio to test FCDPROplus")
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 192000
self.Volume = Volume = 1
self.RxFrequency = RxFrequency = 94300
self.PPM = PPM = 0
self.Mixergain = Mixergain = 1
self.Lna = Lna = 1
self.Ifgain = Ifgain = 0
##################################################
# Blocks
##################################################
self._Volume_layout = Qt.QHBoxLayout()
self._Volume_layout.addWidget(Qt.QLabel("Volume"+": "))
self._Volume_counter = Qwt.QwtCounter()
self._Volume_counter.setRange(1, 50, 1)
self._Volume_counter.setNumButtons(2)
self._Volume_counter.setMinimumWidth(45)
self._Volume_counter.setValue(self.Volume)
self._Volume_layout.addWidget(self._Volume_counter)
self._Volume_counter.valueChanged.connect(self.set_Volume)
self.top_grid_layout.addLayout(self._Volume_layout, 0,5,1,1)
self._RxFrequency_layout = Qt.QHBoxLayout()
self._RxFrequency_layout.addWidget(Qt.QLabel("Set Frequency "+": "))
self._RxFrequency_counter = Qwt.QwtCounter()
self._RxFrequency_counter.setRange(3000, 100000, 1)
self._RxFrequency_counter.setNumButtons(2)
self._RxFrequency_counter.setMinimumWidth(200)
self._RxFrequency_counter.setValue(self.RxFrequency)
self._RxFrequency_layout.addWidget(self._RxFrequency_counter)
self._RxFrequency_counter.valueChanged.connect(self.set_RxFrequency)
self.top_grid_layout.addLayout(self._RxFrequency_layout, 0,0,1,1)
self._PPM_layout = Qt.QHBoxLayout()
self._PPM_layout.addWidget(Qt.QLabel("set PPM"+": "))
self._PPM_counter = Qwt.QwtCounter()
self._PPM_counter.setRange(-100, 100, 1)
self._PPM_counter.setNumButtons(2)
self._PPM_counter.setMinimumWidth(40)
self._PPM_counter.setValue(self.PPM)
self._PPM_layout.addWidget(self._PPM_counter)
self._PPM_counter.valueChanged.connect(self.set_PPM)
self.top_grid_layout.addLayout(self._PPM_layout, 0,6,1,1)
self._Mixergain_options = (0, 1, )
self._Mixergain_labels = ("Off", "On", )
self._Mixergain_tool_bar = Qt.QToolBar(self)
self._Mixergain_tool_bar.addWidget(Qt.QLabel("Mixergain"+": "))
self._Mixergain_combo_box = Qt.QComboBox()
self._Mixergain_tool_bar.addWidget(self._Mixergain_combo_box)
for label in self._Mixergain_labels: self._Mixergain_combo_box.addItem(label)
self._Mixergain_callback = lambda i: self._Mixergain_combo_box.setCurrentIndex(self._Mixergain_options.index(i))
self._Mixergain_callback(self.Mixergain)
self._Mixergain_combo_box.currentIndexChanged.connect(
lambda i: self.set_Mixergain(self._Mixergain_options[i]))
self.top_grid_layout.addWidget(self._Mixergain_tool_bar, 0,2,1,1)
self._Lna_options = (0, 1, )
self._Lna_labels = ("Off", "On", )
self._Lna_tool_bar = Qt.QToolBar(self)
self._Lna_tool_bar.addWidget(Qt.QLabel("Lna"+": "))
self._Lna_combo_box = Qt.QComboBox()
self._Lna_tool_bar.addWidget(self._Lna_combo_box)
for label in self._Lna_labels: self._Lna_combo_box.addItem(label)
self._Lna_callback = lambda i: self._Lna_combo_box.setCurrentIndex(self._Lna_options.index(i))
self._Lna_callback(self.Lna)
self._Lna_combo_box.currentIndexChanged.connect(
lambda i: self.set_Lna(self._Lna_options[i]))
self.top_grid_layout.addWidget(self._Lna_tool_bar, 0,1,1,1)
self._Ifgain_layout = Qt.QHBoxLayout()
self._Ifgain_layout.addWidget(Qt.QLabel("Ifgain"+": "))
self._Ifgain_counter = Qwt.QwtCounter()
self._Ifgain_counter.setRange(0, 59, 1)
self._Ifgain_counter.setNumButtons(2)
self._Ifgain_counter.setMinimumWidth(45)
self._Ifgain_counter.setValue(self.Ifgain)
self._Ifgain_layout.addWidget(self._Ifgain_counter)
self._Ifgain_counter.valueChanged.connect(self.set_Ifgain)
self.top_grid_layout.addLayout(self._Ifgain_layout, 0,3,1,1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate/4, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 1,4,1,3)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
RxFrequency*1000, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
False, #plottime
False, #plotconst
)
self.qtgui_sink_x_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_win, 1,0,1,4)
self.low_pass_filter_1 = gr.fir_filter_fff(4, firdes.low_pass(
1, samp_rate, 16000, 300, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = gr.fir_filter_ccf(1, firdes.low_pass(
5, samp_rate, 40000, 300, firdes.WIN_HAMMING, 6.76))
self.gr_quadrature_demod_cf_0 = gr.quadrature_demod_cf(1)
self.gr_multiply_const_vxx_0 = gr.multiply_const_vff((Volume, ))
self.fcdproplus_fcdproplus_0 = fcdproplus.fcdproplus("",1000)
self.fcdproplus_fcdproplus_0.set_lna(Lna)
self.fcdproplus_fcdproplus_0.set_mixer_gain(Mixergain)
self.fcdproplus_fcdproplus_0.set_if_gain(int(Ifgain))
self.fcdproplus_fcdproplus_0.set_freq_corr(int( PPM))
self.fcdproplus_fcdproplus_0.set_freq(RxFrequency)
self.blks2_fm_deemph_0 = blks2.fm_deemph(fs=samp_rate, tau=25e-6)
self.audio_sink_0 = audio.sink(48000, "default", True)
##################################################
# Connections
##################################################
self.connect((self.fcdproplus_fcdproplus_0, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.fcdproplus_fcdproplus_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.audio_sink_0, 1))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.gr_quadrature_demod_cf_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_quadrature_demod_cf_0, 0), (self.blks2_fm_deemph_0, 0))
self.connect((self.blks2_fm_deemph_0, 0), (self.low_pass_filter_1, 0))
def __init__(self, callsign='', gpredict_port=4532, latitude=0, longitude=0):
gr.top_block.__init__(self, "LilacSat-2 decoder for FUNcube Dongle Pro+")
##################################################
# Parameters
##################################################
self.callsign = callsign
self.gpredict_port = gpredict_port
self.latitude = latitude
self.longitude = longitude
##################################################
# Variables
##################################################
self.sub_sps = sub_sps = 32
self.sub_nfilts = sub_nfilts = 16
self.sub_alpha = sub_alpha = 0.35
self.sps = sps = 5
self.nfilts = nfilts = 16
self.freq = freq = 437.2e6
self.alpha = alpha = 0.35
self.variable_constellation_0 = variable_constellation_0 = digital.constellation_calcdist(([-1, 1]), ([0, 1]), 2, 1).base()
self.threshold = threshold = 4
self.sub_rrc_taps = sub_rrc_taps = firdes.root_raised_cosine(sub_nfilts, sub_nfilts, 1.0/float(sub_sps), sub_alpha, 11*sub_sps*sub_nfilts)
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), alpha, 11*sps*nfilts)
self.rf_samp_rate = rf_samp_rate = 192000
self.offset = offset = 30e3
self.if_samp_rate = if_samp_rate = 48000
self.doppler_freq = doppler_freq = freq
self.af_samp_rate = af_samp_rate = 9600
##################################################
# Blocks
##################################################
self.sync_to_pdu_0_1_0 = sync_to_pdu(
packlen=(114+32)*8,
sync="00011010110011111111110000011101",
threshold=threshold,
)
self.sync_to_pdu_0_1 = sync_to_pdu(
packlen=(114+32)*8,
sync="00011010110011111111110000011101",
threshold=threshold,
)
self.sync_to_pdu_0_0_0 = sync_to_pdu(
packlen=(114+32)*8,
sync="00011010110011111111110000011101",
threshold=threshold,
)
self.sync_to_pdu_0_0 = sync_to_pdu(
packlen=(114+32)*8,
sync="00011010110011111111110000011101",
threshold=threshold,
)
self.sync_to_pdu_0 = sync_to_pdu(
packlen=(114+32)*8,
sync="00011010110011111111110000011101",
threshold=threshold,
)
self.sids_submit_0 = sids.submit('http://tlm.pe0sat.nl/tlmdb/frame_db.php', 40908, callsign, longitude, latitude, '')
self.sids_print_timestamp_0 = sids.print_timestamp('%Y-%m-%d %H:%M:%S')
self.low_pass_filter_3_0_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, if_samp_rate, 8e3, 2e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = filter.fir_filter_fff(1, firdes.low_pass(
1, af_samp_rate, 200, 50, firdes.WIN_HAMMING, 6.76))
self.libfec_decode_rs_0_0_0 = libfec.decode_rs(True, 0)
self.libfec_decode_rs_0_0 = libfec.decode_rs(True, 0)
self.libfec_decode_rs_0 = libfec.decode_rs(True, 0)
self.kiss_kiss_to_pdu_0_1 = kiss.kiss_to_pdu(False)
self.kiss_kiss_to_pdu_0_0 = kiss.kiss_to_pdu(False)
self.kiss_kiss_to_pdu_0 = kiss.kiss_to_pdu(False)
self.gpredict_doppler_0 = gpredict.doppler(self.set_doppler_freq, "localhost", 4532, False)
self.freq_xlating_fir_filter_xxx_0_0 = filter.freq_xlating_fir_filter_ccc(rf_samp_rate/if_samp_rate, (filter.firdes.low_pass(1,rf_samp_rate,10000,2000)), doppler_freq - freq + offset, rf_samp_rate)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(rf_samp_rate/if_samp_rate, (filter.firdes.low_pass(1,rf_samp_rate,5000,2000)), doppler_freq - freq + offset + 25e3, rf_samp_rate)
self.fcdproplus_fcdproplus_0 = fcdproplus.fcdproplus('',1)
self.fcdproplus_fcdproplus_0.set_lna(0)
self.fcdproplus_fcdproplus_0.set_mixer_gain(0)
self.fcdproplus_fcdproplus_0.set_if_gain(0)
self.fcdproplus_fcdproplus_0.set_freq_corr(0)
self.fcdproplus_fcdproplus_0.set_freq(freq-offset)
self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_fff(sub_sps, 0.0628, (sub_rrc_taps), sub_nfilts, sub_nfilts/2, 0.01, 1)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 0.100, (rrc_taps), nfilts, nfilts/2, 1.5, 2)
self.digital_lms_dd_equalizer_cc_0_0 = digital.lms_dd_equalizer_cc(2, 0.3, 2, variable_constellation_0)
self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(sps, 0.350, 100, 0.1)
self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(0.4, 2, False)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(10, 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.digital_binary_slicer_fb_1 = digital.binary_slicer_fb()
self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True)
self.ccsds_viterbi_0_1 = ccsds_viterbi()
self.ccsds_viterbi_0_0_0 = ccsds_viterbi()
self.ccsds_viterbi_0_0 = ccsds_viterbi()
self.ccsds_viterbi_0 = ccsds_viterbi()
self.ccsds_descrambler_0_0_0 = ccsds_descrambler()
self.ccsds_descrambler_0_0 = ccsds_descrambler()
self.ccsds_descrambler_0 = ccsds_descrambler()
self.blocks_pdu_to_tagged_stream_0_1 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
self.blocks_message_debug_0 = blocks.message_debug()
self.blocks_delay_0_0_0 = blocks.delay(gr.sizeof_float*1, 1)
self.blocks_delay_0_0 = blocks.delay(gr.sizeof_float*1, 1)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(0.5)
self.analog_nbfm_rx_0 = analog.nbfm_rx(
audio_rate=af_samp_rate,
quad_rate=if_samp_rate,
tau=75e-6,
max_dev=3.5e3,
)
self.analog_feedforward_agc_cc_0 = analog.feedforward_agc_cc(1024, 2)
##################################################
# Connections
##################################################
self.msg_connect((self.ccsds_descrambler_0, 'out'), (self.libfec_decode_rs_0, 'in'))
self.msg_connect((self.ccsds_descrambler_0_0, 'out'), (self.libfec_decode_rs_0_0, 'in'))
self.msg_connect((self.ccsds_descrambler_0_0_0, 'out'), (self.libfec_decode_rs_0_0_0, 'in'))
self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'), (self.sids_print_timestamp_0, 'in'))
self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'), (self.sids_submit_0, 'in'))
self.msg_connect((self.kiss_kiss_to_pdu_0_0, 'out'), (self.sids_print_timestamp_0, 'in'))
self.msg_connect((self.kiss_kiss_to_pdu_0_0, 'out'), (self.sids_submit_0, 'in'))
self.msg_connect((self.kiss_kiss_to_pdu_0_1, 'out'), (self.sids_print_timestamp_0, 'in'))
self.msg_connect((self.kiss_kiss_to_pdu_0_1, 'out'), (self.sids_submit_0, 'in'))
self.msg_connect((self.libfec_decode_rs_0, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.msg_connect((self.libfec_decode_rs_0_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.libfec_decode_rs_0_0_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_1, 'pdus'))
self.msg_connect((self.sids_print_timestamp_0, 'out'), (self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.sync_to_pdu_0, 'out'), (self.ccsds_descrambler_0, 'in'))
self.msg_connect((self.sync_to_pdu_0_0, 'out'), (self.ccsds_descrambler_0_0, 'in'))
self.msg_connect((self.sync_to_pdu_0_0_0, 'out'), (self.ccsds_descrambler_0_0_0, 'in'))
self.msg_connect((self.sync_to_pdu_0_1, 'out'), (self.ccsds_descrambler_0_0, 'in'))
self.msg_connect((self.sync_to_pdu_0_1_0, 'out'), (self.ccsds_descrambler_0_0_0, 'in'))
self.connect((self.analog_feedforward_agc_cc_0, 0), (self.digital_fll_band_edge_cc_0, 0))
self.connect((self.analog_nbfm_rx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_delay_0_0, 0))
self.connect((self.blocks_complex_to_real_0, 0), (self.ccsds_viterbi_0_1, 0))
self.connect((self.blocks_delay_0_0, 0), (self.ccsds_viterbi_0_0_0, 0))
self.connect((self.blocks_delay_0_0_0, 0), (self.ccsds_viterbi_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.kiss_kiss_to_pdu_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.kiss_kiss_to_pdu_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_1, 0), (self.kiss_kiss_to_pdu_0_1, 0))
self.connect((self.ccsds_viterbi_0, 0), (self.sync_to_pdu_0_1_0, 0))
self.connect((self.ccsds_viterbi_0_0, 0), (self.sync_to_pdu_0_0_0, 0))
self.connect((self.ccsds_viterbi_0_0_0, 0), (self.digital_diff_decoder_bb_0_0, 0))
self.connect((self.ccsds_viterbi_0_1, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.dc_blocker_xx_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0))
self.connect((self.digital_binary_slicer_fb_1, 0), (self.sync_to_pdu_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.blocks_delay_0_0_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.ccsds_viterbi_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_lms_dd_equalizer_cc_0_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.sync_to_pdu_0_1, 0))
self.connect((self.digital_diff_decoder_bb_0_0, 0), (self.sync_to_pdu_0_0, 0))
self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_lms_dd_equalizer_cc_0_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.digital_binary_slicer_fb_1, 0))
self.connect((self.fcdproplus_fcdproplus_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.fcdproplus_fcdproplus_0, 0), (self.freq_xlating_fir_filter_xxx_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.analog_feedforward_agc_cc_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0, 0), (self.low_pass_filter_3_0_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.dc_blocker_xx_0, 0))
self.connect((self.low_pass_filter_3_0_0, 0), (self.analog_nbfm_rx_0, 0))
def __init__(self, storageval):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 192000
self.pulse_width = pulse_width = 0.07
self.pseudo_frequency = pseudo_frequency = 1
self.fft_size = fft_size = 1024
self.blocksize = blocksize = int(samp_rate / fft_size * pseudo_frequency *1.0 / (1.0 / pulse_width)) / 2
self.timeout_blocks = timeout_blocks = int(samp_rate/fft_size * 1.0/blocksize)
self.target_freq = target_freq = 457000
self.measure = measure = 0
self.firdes_tap = firdes_tap = firdes.low_pass(1, samp_rate, 500, 1000, firdes.WIN_HAMMING, 6.76)
self.base_freq = base_freq = 450000
self.burst_trigger = burst_trigger = 0.75
self.storageval = storageval
##################################################
# Blocks
##################################################
self.probe = blocks.probe_signal_f()
self.stbpilot_signal_level_0 = stbpilot.signal_level(6, timeout_blocks)
def _measure_probe():
while True:
val = self.probe.level()
try:
self.set_measure(val)
self.storageval.value = val
except AttributeError:
pass
time.sleep(1.0 / (1))
_measure_thread = threading.Thread(target=_measure_probe)
_measure_thread.daemon = True
_measure_thread.start()
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, (firdes_tap), -(base_freq - target_freq), samp_rate)
self.fft_vxx_0 = fft.fft_vcc(fft_size, True, (), True, 1)
self.fcdproplus_fcdproplus_0 = fcdproplus.fcdproplus("",1)
self.fcdproplus_fcdproplus_0.set_lna(1)
self.fcdproplus_fcdproplus_0.set_mixer_gain(1)
self.fcdproplus_fcdproplus_0.set_if_gain(0)
self.fcdproplus_fcdproplus_0.set_freq_corr(0)
self.fcdproplus_fcdproplus_0.set_freq(base_freq)
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(gr.sizeof_gr_complex*1, fft_size)
self.blocks_threshold_ff_0 = blocks.threshold_ff(burst_trigger, burst_trigger, 0)
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(gr.sizeof_gr_complex*1, fft_size)
self.blocks_skiphead_0 = blocks.skiphead(gr.sizeof_float*1, (int(target_freq*1.0*fft_size/samp_rate)+1)*0+513)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
self.blocks_keep_one_in_n_1 = blocks.keep_one_in_n(gr.sizeof_float*1, fft_size)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
##################################################
# Connections
##################################################
self.connect((self.fft_vxx_0, 0), (self.blocks_vector_to_stream_0, 0))
self.connect((self.blocks_stream_to_vector_0, 0), (self.fft_vxx_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0), (self.blocks_complex_to_mag_0, 0))
self.connect((self.fcdproplus_fcdproplus_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blocks_stream_to_vector_0, 0))
self.connect((self.blocks_keep_one_in_n_1, 0), (self.blocks_threshold_ff_0, 0))
self.connect((self.blocks_threshold_ff_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_keep_one_in_n_1, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_complex_to_mag_0, 0), (self.blocks_skiphead_0, 0))
self.connect((self.blocks_skiphead_0, 0), (self.blocks_keep_one_in_n_1, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.stbpilot_signal_level_0, 0))
self.connect((self.stbpilot_signal_level_0, 0), (self.probe, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "top_block")
self.restoreGeometry(
self.settings.value("geometry", type=QtCore.QByteArray))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 384000
##################################################
# Blocks
##################################################
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.low_pass_filter_1 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, 25000, 15000, firdes.WIN_HAMMING,
6.76))
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, 37500, 18750, firdes.WIN_HAMMING,
6.76))
self.high_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.high_pass(1, samp_rate, 25000, 15000, firdes.WIN_HAMMING,
6.76))
self.fcdproplus_fcdproplus_0 = fcdproplus.fcdproplus('', 1)
self.fcdproplus_fcdproplus_0.set_lna(20)
self.fcdproplus_fcdproplus_0.set_mixer_gain(12)
self.fcdproplus_fcdproplus_0.set_if_gain(0)
self.fcdproplus_fcdproplus_0.set_freq_corr(0)
self.fcdproplus_fcdproplus_0.set_freq(600000000)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_float * 1,
'/run/user/1000/outF0',
False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
##################################################
# Connections
##################################################
self.connect((self.blocks_complex_to_mag_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.low_pass_filter_1, 0))
self.connect((self.fcdproplus_fcdproplus_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.fcdproplus_fcdproplus_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.high_pass_filter_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.blocks_complex_to_mag_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.high_pass_filter_0, 0))
def __init__(self, storageval):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 192000
self.pulse_width = pulse_width = 0.07
self.pseudo_frequency = pseudo_frequency = 1
self.fft_size = fft_size = 1024
self.blocksize = blocksize = int(
samp_rate / fft_size * pseudo_frequency * 1.0 /
(1.0 / pulse_width)) / 2
self.timeout_blocks = timeout_blocks = int(samp_rate / fft_size * 1.0 /
blocksize)
self.target_freq = target_freq = 457000
self.measure = measure = 0
self.firdes_tap = firdes_tap = firdes.low_pass(1, samp_rate, 500, 1000,
firdes.WIN_HAMMING,
6.76)
self.base_freq = base_freq = 450000
self.burst_trigger = burst_trigger = 0.75
self.storageval = storageval
##################################################
# Blocks
##################################################
self.probe = blocks.probe_signal_f()
self.stbpilot_signal_level_0 = stbpilot.signal_level(6, timeout_blocks)
def _measure_probe():
while True:
val = self.probe.level()
try:
self.set_measure(val)
self.storageval.value = val
except AttributeError:
pass
time.sleep(1.0 / (1))
_measure_thread = threading.Thread(target=_measure_probe)
_measure_thread.daemon = True
_measure_thread.start()
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
1, (firdes_tap), -(base_freq - target_freq), samp_rate)
self.fft_vxx_0 = fft.fft_vcc(fft_size, True, (), True, 1)
self.fcdproplus_fcdproplus_0 = fcdproplus.fcdproplus("", 1)
self.fcdproplus_fcdproplus_0.set_lna(1)
self.fcdproplus_fcdproplus_0.set_mixer_gain(1)
self.fcdproplus_fcdproplus_0.set_if_gain(0)
self.fcdproplus_fcdproplus_0.set_freq_corr(0)
self.fcdproplus_fcdproplus_0.set_freq(base_freq)
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(
gr.sizeof_gr_complex * 1, fft_size)
self.blocks_threshold_ff_0 = blocks.threshold_ff(
burst_trigger, burst_trigger, 0)
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, fft_size)
self.blocks_skiphead_0 = blocks.skiphead(
gr.sizeof_float * 1,
(int(target_freq * 1.0 * fft_size / samp_rate) + 1) * 0 + 513)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
self.blocks_keep_one_in_n_1 = blocks.keep_one_in_n(
gr.sizeof_float * 1, fft_size)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
##################################################
# Connections
##################################################
self.connect((self.fft_vxx_0, 0), (self.blocks_vector_to_stream_0, 0))
self.connect((self.blocks_stream_to_vector_0, 0), (self.fft_vxx_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0),
(self.blocks_complex_to_mag_0, 0))
self.connect((self.fcdproplus_fcdproplus_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.blocks_stream_to_vector_0, 0))
self.connect((self.blocks_keep_one_in_n_1, 0),
(self.blocks_threshold_ff_0, 0))
self.connect((self.blocks_threshold_ff_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_keep_one_in_n_1, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_complex_to_mag_0, 0),
(self.blocks_skiphead_0, 0))
self.connect((self.blocks_skiphead_0, 0),
(self.blocks_keep_one_in_n_1, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.stbpilot_signal_level_0, 0))
self.connect((self.stbpilot_signal_level_0, 0), (self.probe, 0))
