def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="FHSS Packets")
##################################################
# Variables
##################################################
self.samp_sym = samp_sym = 64
self.samp_rate = samp_rate = 800000
self.init = init = 1, 1, 1, 1
self.generator = generator = 1, 1, 0, 0, 1
self.code_rate = code_rate = int(1389 * samp_sym)
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.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="Received Spread Spectrum Signal",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.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="Despread Signal",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, 11000, 1000, firdes.WIN_HAMMING,
6.76))
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=samp_sym,
bt=0.35,
verbose=False,
log=False,
)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=samp_sym,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.01,
frequency_offset=1 / samp_rate,
epsilon=1 + 0.000001,
taps=(1.0 + 1.0j, ),
noise_seed=0,
block_tags=False)
self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(
1, gr.GR_MSB_FIRST)
self.Spread_synthesizer_0 = Spread.synthesizer(code_rate, 0, samp_rate,
(generator), (init))
self.Spread_sync_0 = Spread.sync()
self.Spread_rx_synthesizer_0 = Spread.rx_synthesizer(
code_rate, samp_sym, samp_rate, 11000, 10000, 0.01, (generator),
(init))
self.Spread_rx_sync_0 = Spread.rx_sync(12)
self.Spread_msg_source_0 = Spread.msg_source(500, 100)
self.Spread_framer_0 = Spread.framer(0)
self.Spread_deframer_0 = Spread.deframer(0)
##################################################
# Connections
##################################################
self.connect((self.Spread_synthesizer_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.Spread_rx_synthesizer_0, 0))
self.connect((self.digital_gmsk_demod_0, 0),
(self.Spread_rx_sync_0, 0))
self.connect((self.digital_gmsk_mod_0, 0),
(self.Spread_synthesizer_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0),
(self.digital_gmsk_mod_0, 0))
self.connect((self.Spread_sync_0, 0),
(self.blocks_unpacked_to_packed_xx_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.wxgui_fftsink2_0_0, 0))
self.connect((self.Spread_rx_synthesizer_0, 0),
(self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.digital_gmsk_demod_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.Spread_framer_0, "out", self.Spread_sync_0, "in")
self.msg_connect(self.Spread_msg_source_0, "out", self.Spread_framer_0,
"in")
self.msg_connect(self.Spread_rx_sync_0, "out", self.Spread_deframer_0,
"in")
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="FHSS Packets")
##################################################
# Variables
##################################################
self.samp_sym = samp_sym = 64
self.samp_rate = samp_rate = 800000
self.init = init = 1, 1, 1, 1
self.generator = generator = 1, 1, 0, 0, 1
self.code_rate = code_rate = int(1389 * samp_sym)
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.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="Received Spread Spectrum Signal",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.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="Despread Signal",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, samp_rate, 11000, 1000, firdes.WIN_HAMMING, 6.76))
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=samp_sym,
bt=0.35,
verbose=False,
log=False,
)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=samp_sym,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.01,
frequency_offset=1 / samp_rate,
epsilon=1 + 0.000001,
taps=(1.0 + 1.0j, ),
noise_seed=0,
block_tags=False
)
self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
self.Spread_synthesizer_0 = Spread.synthesizer(code_rate, 0, samp_rate, (generator), (init))
self.Spread_sync_0 = Spread.sync()
self.Spread_rx_synthesizer_0 = Spread.rx_synthesizer(code_rate,
samp_sym,
samp_rate,
11000,
10000,
0.01,
(generator),
(init))
self.Spread_rx_sync_0 = Spread.rx_sync(12)
self.Spread_msg_source_0 = Spread.msg_source(500, 100)
self.Spread_framer_0 = Spread.framer(0)
self.Spread_deframer_0 = Spread.deframer(0)
##################################################
# Connections
##################################################
self.connect((self.Spread_synthesizer_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.Spread_rx_synthesizer_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.Spread_rx_sync_0, 0))
self.connect((self.digital_gmsk_mod_0, 0), (self.Spread_synthesizer_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self.digital_gmsk_mod_0, 0))
self.connect((self.Spread_sync_0, 0), (self.blocks_unpacked_to_packed_xx_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.Spread_rx_synthesizer_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.digital_gmsk_demod_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.Spread_framer_0, "out", self.Spread_sync_0, "in")
self.msg_connect(self.Spread_msg_source_0, "out", self.Spread_framer_0, "in")
self.msg_connect(self.Spread_rx_sync_0, "out", self.Spread_deframer_0, "in")
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Fhss Sync")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_sym = samp_sym = 32
self.tone_freq = tone_freq = 2000
self.samp_rate = samp_rate = 800e3
self.init = init = 1, 1, 1, 1, 1, 1, 1
self.generator = generator = 1, 1, 0, 0, 1, 0, 1, 1
self.code_rate = code_rate = int(samp_sym * 10000)
##################################################
# Blocks
##################################################
_tone_freq_sizer = wx.BoxSizer(wx.VERTICAL)
self._tone_freq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_tone_freq_sizer,
value=self.tone_freq,
callback=self.set_tone_freq,
label='Tone Frequency',
converter=forms.float_converter(),
proportion=0,
)
self._tone_freq_slider = forms.slider(
parent=self.GetWin(),
sizer=_tone_freq_sizer,
value=self.tone_freq,
callback=self.set_tone_freq,
minimum=-1 * samp_rate / 2,
maximum=samp_rate / 2,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_tone_freq_sizer)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title='Received Spread Spectrum ',
)
self.Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.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='Despread Signal',
peak_hold=False,
)
self.GridAdd(self.wxgui_fftsink2_0.win, 0, 2, 2, 4)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.1,
frequency_offset=1 / samp_rate,
epsilon=1 + 0.0000,
taps=(1.0 + 1.0j, ),
noise_seed=0,
block_tags=False)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, tone_freq, 2, 0)
self.analog_random_source_x_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 2, 1000)), True)
self.Spread_synthesizer_0 = Spread.synthesizer(code_rate, 0, samp_rate,
(generator), (init))
self.Spread_rx_synthesizer_0 = Spread.rx_synthesizer(
code_rate, samp_sym, samp_rate, 12000, 50000, 0.16, (generator),
(init))
self.Spread_cpfsk_mod_0 = Spread.cpfsk_mod(samp_sym)
self.Spread_cpfsk_demod_0 = Spread.cpfsk_demod(samp_sym)
##################################################
# Connections
##################################################
self.connect((self.Spread_cpfsk_demod_0, 0),
(self.blocks_null_sink_0, 0))
self.connect((self.Spread_cpfsk_mod_0, 0),
(self.Spread_synthesizer_0, 0))
self.connect((self.Spread_rx_synthesizer_0, 0),
(self.Spread_cpfsk_demod_0, 0))
self.connect((self.Spread_rx_synthesizer_0, 0),
(self.wxgui_fftsink2_0, 0))
self.connect((self.Spread_synthesizer_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.analog_random_source_x_0, 0),
(self.Spread_cpfsk_mod_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.Spread_rx_synthesizer_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.wxgui_waterfallsink2_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="fhss_test")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_sym = samp_sym = 64
self.samp_rate = samp_rate = 400e3
self.init = init = 1, 1, 1, 1
self.generator = generator = 1, 1, 0, 0, 1
self.code_rate = code_rate = int(samp_sym * 500)
##################################################
# Blocks
##################################################
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Received Spread Spectrum ",
)
self.Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_numbersink2_0_0_0_0_0 = numbersink2.number_sink_f(
self.GetWin(),
unit="Units",
minval=-100e5,
maxval=100e5,
factor=1.0,
decimal_places=10,
ref_level=0,
sample_rate=samp_rate,
number_rate=60,
average=False,
avg_alpha=None,
label="Error",
peak_hold=False,
show_gauge=False,
)
self.Add(self.wxgui_numbersink2_0_0_0_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.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="Despread Signal",
peak_hold=False,
)
self.GridAdd(self.wxgui_fftsink2_0.win, 0, 2, 2, 4)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "serial=F54381")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_clock_source("internal", 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(500e6, 0)
self.uhd_usrp_source_0.set_gain(47, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "serial=F54358")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_clock_source("internal", 0)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_center_freq(500e6, 0)
self.uhd_usrp_sink_0.set_gain(50, 0)
self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
self.blocks_vector_source_x_0 = blocks.vector_source_b((1, 1, 1, 1),
True, 1, [])
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((.9, ))
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=1000,
bits_per_symbol=1,
)
self.Spread_synthesizer_0 = Spread.synthesizer(code_rate, 0, samp_rate,
(generator), (init))
self.Spread_rx_synthesizer_0 = Spread.rx_synthesizer(
code_rate, samp_sym, samp_rate, 12000, 50000, 0.16, (generator),
(init))
self.Spread_cpfsk_mod_0 = Spread.cpfsk_mod(samp_sym)
self.Spread_cpfsk_demod_0 = Spread.cpfsk_demod(samp_sym)
##################################################
# Connections
##################################################
self.connect((self.blks2_error_rate_0, 0),
(self.wxgui_numbersink2_0_0_0_0_0, 0))
self.connect((self.Spread_cpfsk_demod_0, 0),
(self.blks2_error_rate_0, 1))
self.connect((self.blocks_vector_source_x_0, 0),
(self.Spread_cpfsk_mod_0, 0))
self.connect((self.blocks_vector_source_x_0, 0),
(self.blks2_error_rate_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.Spread_rx_synthesizer_0, 0))
self.connect((self.Spread_synthesizer_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.wxgui_waterfallsink2_0, 0))
self.connect((self.Spread_rx_synthesizer_0, 0),
(self.Spread_cpfsk_demod_0, 0))
self.connect((self.Spread_cpfsk_mod_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.Spread_synthesizer_0, 0))
self.connect((self.Spread_rx_synthesizer_0, 0),
(self.wxgui_fftsink2_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Fhss Rx")
##################################################
# Variables
##################################################
self.samp_sym = samp_sym = 12000 * 3
self.transistion = transistion = 50
self.tone_freq = tone_freq = 0
self.sideband_rx = sideband_rx = 6000
self.sideband = sideband = 6000
self.samp_rate = samp_rate = 12000
self.interpolation = interpolation = 4
self.init = init = 1, 1, 1, 1
self.generator = generator = 1, 1, 0, 0, 1
self.code_rate = code_rate = int(samp_sym * 1)
self.carrier = carrier = 10000
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_1_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=interpolation,
taps=None,
fractional_bw=None,
)
self.freq_xlating_fir_filter_xxx_0_0_0 = filter.freq_xlating_fir_filter_ccc(
1, (filter.firdes.low_pass(1, samp_rate * 4, carrier + sideband_rx,
1000)), carrier, samp_rate * 4)
script, inputwav, outputBinary = argv
self.blocks_wavfile_source_0_1 = blocks.wavfile_source(inputwav, False)
self.blocks_throttle_1_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_float_to_complex_0_0 = blocks.float_to_complex(1)
self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char * 1,
outputBinary, False)
self.blocks_file_sink_0_0.set_unbuffered(False)
self.Spread_rx_synthesizer_0_0 = Spread.rx_synthesizer(
code_rate, samp_sym, samp_rate, 12000 / 2, 50000, 0.16,
(generator), (init))
self.Spread_cpfsk_demod_0_0 = Spread.cpfsk_demod(samp_sym)
##################################################
# Connections
##################################################
self.connect((self.Spread_cpfsk_demod_0_0, 0),
(self.blocks_file_sink_0_0, 0))
self.connect((self.Spread_rx_synthesizer_0_0, 0),
(self.blocks_throttle_0_0, 0))
self.connect((self.blocks_float_to_complex_0_0, 0),
(self.freq_xlating_fir_filter_xxx_0_0_0, 0))
self.connect((self.blocks_throttle_0_0, 0),
(self.Spread_cpfsk_demod_0_0, 0))
self.connect((self.blocks_throttle_1_0, 0),
(self.Spread_rx_synthesizer_0_0, 0))
self.connect((self.blocks_wavfile_source_0_1, 0),
(self.blocks_float_to_complex_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0_0_0, 0),
(self.rational_resampler_xxx_1_0, 0))
self.connect((self.rational_resampler_xxx_1_0, 0),
(self.blocks_throttle_1_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="fhss_test")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_sym = samp_sym = 64
self.samp_rate = samp_rate = 400e3
self.init = init = 1, 1, 1, 1
self.generator = generator = 1, 1, 0, 0, 1
self.code_rate = code_rate = int(samp_sym * 500)
##################################################
# Blocks
##################################################
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Received Spread Spectrum ",
)
self.Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_numbersink2_0_0_0_0_0 = numbersink2.number_sink_f(
self.GetWin(),
unit="Units",
minval=-100e5,
maxval=100e5,
factor=1.0,
decimal_places=10,
ref_level=0,
sample_rate=samp_rate,
number_rate=60,
average=False,
avg_alpha=None,
label="Error",
peak_hold=False,
show_gauge=False,
)
self.Add(self.wxgui_numbersink2_0_0_0_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.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="Despread Signal",
peak_hold=False,
)
self.GridAdd(self.wxgui_fftsink2_0.win, 0, 2, 2, 4)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "serial=F54381")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_clock_source("internal", 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(500e6, 0)
self.uhd_usrp_source_0.set_gain(47, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "serial=F54358")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_clock_source("internal", 0)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_center_freq(500e6, 0)
self.uhd_usrp_sink_0.set_gain(50, 0)
self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
self.blocks_vector_source_x_0 = blocks.vector_source_b((1,1,1,1), True, 1, [])
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((.9, ))
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=1000,
bits_per_symbol=1,
)
self.Spread_synthesizer_0 = Spread.synthesizer(code_rate, 0, samp_rate, (generator), (init))
self.Spread_rx_synthesizer_0 = Spread.rx_synthesizer(code_rate,
samp_sym,
samp_rate,
12000,
50000,
0.16,
(generator),
(init))
self.Spread_cpfsk_mod_0 = Spread.cpfsk_mod(samp_sym)
self.Spread_cpfsk_demod_0 = Spread.cpfsk_demod(samp_sym)
##################################################
# Connections
##################################################
self.connect((self.blks2_error_rate_0, 0), (self.wxgui_numbersink2_0_0_0_0_0, 0))
self.connect((self.Spread_cpfsk_demod_0, 0), (self.blks2_error_rate_0, 1))
self.connect((self.blocks_vector_source_x_0, 0), (self.Spread_cpfsk_mod_0, 0))
self.connect((self.blocks_vector_source_x_0, 0), (self.blks2_error_rate_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.Spread_rx_synthesizer_0, 0))
self.connect((self.Spread_synthesizer_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.Spread_rx_synthesizer_0, 0), (self.Spread_cpfsk_demod_0, 0))
self.connect((self.Spread_cpfsk_mod_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.Spread_synthesizer_0, 0))
self.connect((self.Spread_rx_synthesizer_0, 0), (self.wxgui_fftsink2_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Fhss Sync")
##################################################
# Variables
##################################################
self.samp_sym = samp_sym = 64
self.tone_freq = tone_freq = 2000
self.samp_rate = samp_rate = 800e3
self.init = init = 1, 1, 1, 1
self.generator = generator = 1, 1, 0, 0, 1
self.code_rate = code_rate = int(samp_sym * 10000)
##################################################
# Blocks
##################################################
_tone_freq_sizer = wx.BoxSizer(wx.VERTICAL)
self._tone_freq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_tone_freq_sizer,
value=self.tone_freq,
callback=self.set_tone_freq,
label="Tone Frequency",
converter=forms.float_converter(),
proportion=0,
)
self._tone_freq_slider = forms.slider(
parent=self.GetWin(),
sizer=_tone_freq_sizer,
value=self.tone_freq,
callback=self.set_tone_freq,
minimum=-1 * samp_rate / 2,
maximum=samp_rate / 2,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_tone_freq_sizer)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Received Spread Spectrum ",
)
self.Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_numbersink2_0 = numbersink2.number_sink_f(
self.GetWin(),
unit="Units",
minval=0,
maxval=1,
factor=1.0,
decimal_places=10,
ref_level=0,
sample_rate=samp_rate,
number_rate=15,
average=False,
avg_alpha=None,
label="Error Rate",
peak_hold=False,
show_gauge=False,
)
self.Add(self.wxgui_numbersink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.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="Despread Signal",
peak_hold=False,
)
self.GridAdd(self.wxgui_fftsink2_0.win, 0, 2, 2, 4)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.1,
frequency_offset=1 / samp_rate,
epsilon=1 + 0.0000,
taps=(1.0 + 1.0j, ),
noise_seed=0,
block_tags=False
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=1000,
bits_per_symbol=2,
)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, tone_freq, 2, 0)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 2, 1000)), True)
self.Spread_synthesizer_0 = Spread.synthesizer(code_rate, 0, samp_rate, (generator), (init))
self.Spread_rx_synthesizer_0 = Spread.rx_synthesizer(code_rate,
samp_sym,
samp_rate,
12000,
50000,
0.16,
(generator),
(init))
self.Spread_cpfsk_mod_0 = Spread.cpfsk_mod(samp_sym)
self.Spread_cpfsk_demod_0 = Spread.cpfsk_demod(samp_sym)
##################################################
# Connections
##################################################
self.connect((self.Spread_rx_synthesizer_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.Spread_rx_synthesizer_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.Spread_cpfsk_demod_0, 0))
self.connect((self.Spread_cpfsk_mod_0, 0), (self.Spread_synthesizer_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blks2_error_rate_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.Spread_cpfsk_mod_0, 0))
self.connect((self.Spread_cpfsk_demod_0, 0), (self.blks2_error_rate_0, 1))
self.connect((self.blks2_error_rate_0, 0), (self.wxgui_numbersink2_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.Spread_synthesizer_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.wxgui_waterfallsink2_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.Spread_rx_synthesizer_0, 0))