def __init__(self, gain=1):
gr.hier_block2.__init__(
self, "Split GMSK Modulator",
gr.io_signature(0, 0, 0),
gr.io_signature(1, 1, gr.sizeof_float*1),
)
##################################################
# Parameters
##################################################
self.gain = gain
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=1,
decimation=2,
taps=(1, ),
fractional_bw=None,
)
self.pad_source_1 = None;self.message_port_register_hier_out("9k6")
self.pad_source_0 = None;self.message_port_register_hier_out("4k8")
self.digital_gmskmod_bc_0_0 = digital.gmskmod_bc(10, 3, 0.3)
self.digital_gmskmod_bc_0 = digital.gmskmod_bc(10, 3, 0.3)
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_add_xx_0 = blocks.add_vff(1)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(gain)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(gain)
##################################################
# Connections
##################################################
self.connect((self.blocks_add_xx_0, 0), (self, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.digital_gmskmod_bc_0_0, 0), (self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.digital_gmskmod_bc_0_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.digital_gmskmod_bc_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.digital_gmskmod_bc_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self, "4k8", self.blocks_pdu_to_tagged_stream_0, "pdus")
self.msg_connect(self, "9k6", self.blocks_pdu_to_tagged_stream_0_0, "pdus")
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Ais Demod Grc")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.sps = sps = 6
self.samp_rate = samp_rate = 100e3
self.nfilts = nfilts = 32
self.data_rate = data_rate = 9600
##################################################
# Blocks
##################################################
self.wxgui_scopesink2_2 = scopesink2.scope_sink_f(
self.GetWin(),
title="Scope Plot",
sample_rate=samp_rate / sps,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_2.win)
self.random_source_x_0 = gr.vector_source_b(
list(map(int, numpy.random.randint(0, 2, 1000))), True)
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1,
samp_rate * sps)
self.gr_quadrature_demod_cf_0 = gr.quadrature_demod_cf(1)
self.gr_map_bb_0 = gr.map_bb(([-1, 1]))
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, 0.004, (gr.firdes.gaussian(nfilts,
float(nfilts) / sps, 0.4,
int(11 * nfilts * sps))), nfilts,
nfilts / 2, 1.5, 1)
self.digital_pfb_clock_sync_xxx_0.set_beta((0.004**2) * 0.25)
self.digital_gmskmod_bc_0 = digital.gmskmod_bc(sps, 0.4, 4)
##################################################
# Connections
##################################################
self.connect((self.gr_quadrature_demod_cf_0, 0),
(self.wxgui_scopesink2_2, 0))
self.connect((self.gr_throttle_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_gmskmod_bc_0, 0), (self.gr_throttle_0, 0))
self.connect((self.random_source_x_0, 0), (self.gr_map_bb_0, 0))
self.connect((self.gr_map_bb_0, 0), (self.digital_gmskmod_bc_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.gr_quadrature_demod_cf_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Ais Demod Grc") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.sps = sps = 6 self.samp_rate = samp_rate = 100e3 self.nfilts = nfilts = 32 self.data_rate = data_rate = 9600 ################################################## # Blocks ################################################## self.wxgui_scopesink2_2 = scopesink2.scope_sink_f( self.GetWin(), title="Scope Plot", sample_rate=samp_rate/sps, v_scale=0, v_offset=0, t_scale=0, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_AUTO, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_2.win) self.random_source_x_0 = gr.vector_source_b(map(int, numpy.random.randint(0, 2, 1000)), True) self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate*sps) self.gr_quadrature_demod_cf_0 = gr.quadrature_demod_cf(1) self.gr_map_bb_0 = gr.map_bb(([-1, 1])) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 0.004, (gr.firdes.gaussian(nfilts, float(nfilts)/sps, 0.4, int(11*nfilts*sps))), nfilts, nfilts/2, 1.5, 1) self.digital_pfb_clock_sync_xxx_0.set_beta((0.004**2)*0.25) self.digital_gmskmod_bc_0 = digital.gmskmod_bc(sps, 0.4, 4) ################################################## # Connections ################################################## self.connect((self.gr_quadrature_demod_cf_0, 0), (self.wxgui_scopesink2_2, 0)) self.connect((self.gr_throttle_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_gmskmod_bc_0, 0), (self.gr_throttle_0, 0)) self.connect((self.random_source_x_0, 0), (self.gr_map_bb_0, 0)) self.connect((self.gr_map_bb_0, 0), (self.digital_gmskmod_bc_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.gr_quadrature_demod_cf_0, 0))
def test_001_lgmsk(self):
sps = 2
L = 5
bt = 0.3
in_bits = (1,) * 20
src = blocks.vector_source_b(in_bits, False)
gmsk = digital.gmskmod_bc(sps, L, bt)
arg = blocks.complex_to_arg()
sink = blocks.vector_sink_f()
self.tb.connect(src, gmsk, arg, sink)
self.tb.run()
symbol_phases = numpy.array(sink.data()[sps*L-1::sps])
phase_diff = numpy.mod(numpy.subtract(symbol_phases[1:], symbol_phases[:-1]),
(2*numpy.pi,) * (len(symbol_phases)-1))
self.assertFloatTuplesAlmostEqual(tuple(phase_diff), (0.5 * numpy.pi,) * len(phase_diff), 5,
msg="Phase shift was not correct for GMSK")
def __init__(self, BT=4, pulse_duration=4, sps=4):
gr.hier_block2.__init__(
self,
"GMSK Modulator for GSM",
gr.io_signature(1, 1, gr.sizeof_char * 1),
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
)
##################################################
# Parameters
##################################################
self.BT = BT
self.pulse_duration = pulse_duration
self.sps = sps
##################################################
# Blocks
##################################################
self.digital_gmskmod_bc_0 = digital.gmskmod_bc(sps, pulse_duration, BT)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bf(
([1, -1]), 1)
self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(
gr.sizeof_gr_complex * 1, "packet_len", sps)
self.blocks_float_to_char_0 = blocks.float_to_char(1, 1)
##################################################
# Connections
##################################################
self.connect((self.blocks_float_to_char_0, 0),
(self.digital_gmskmod_bc_0, 0))
self.connect((self.blocks_tagged_stream_multiply_length_0, 0),
(self, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.blocks_float_to_char_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.digital_gmskmod_bc_0, 0),
(self.blocks_tagged_stream_multiply_length_0, 0))
self.connect((self, 0), (self.digital_diff_decoder_bb_0, 0))
def __init__(self, samples_per_symbol=1):
gr.hier_block2.__init__(self, 'gsm_modulate_burst',
gr.io_signature2(2, 2, 58 * 2, 1),
gr.io_signature(1, 1, gr.sizeof_gr_complex))
# take care of the packetizer
conf = mlse.make_packet_config_gsm()
self.packetbuilder = mlse.packetbuilder_midamble_vbb(conf)
self.connect(self, self.packetbuilder)
self.connect((self, 1), (self.packetbuilder, 1)) # tsc_index
# append 8 1-bits to the packet for the idle-time between bursts.
# This is necessary among others to flush the gmsk-modulator which is causal.
# (We use 1-bits because that's what the gsm-standard says)
# (we also only use 8 bits, because the specified value of 8.25 only works
# properly with samplerates that are a multiple of 4.)
self.guardbits = gr.vector_source_b((1, ) * 8, True, 8)
self.guard_cat = mlse.vector_concat_vv(148, 8)
self.connect(self.packetbuilder, self.guard_cat)
self.connect(self.guardbits, (self.guard_cat, 1))
# we now have a vector of bits, transform that into a stream
self.tostream = gr.vector_to_stream(1, 148 + 8)
# do the precoding:
self.diffcode = gr.diff_decoder_bb(2)
self.nrz = gr.map_bb([1, -1])
self.connect(self.guard_cat, self.tostream, self.diffcode, self.nrz)
# modulate
self.mod = digital.gmskmod_bc(samples_per_symbol, 0.3, 8)
# skip the first gmsk_length*samplerate/2 samples to make this block
# acausal.
# self.skiphead = gr.skiphead(gr.sizeof_gr_complex, int(samples_per_symbol*4.5));
# self.connect(self.nrz, self.mod, self.skiphead, self)
self.connect(self.nrz, self.mod,
self) # workaround: we need a negative delay later,
def __init__(self, samples_per_symbol = 1):
gr.hier_block2.__init__(self, 'gsm_modulate_burst',
gr.io_signature2(2,2,58*2,1),
gr.io_signature(1, 1, gr.sizeof_gr_complex))
# take care of the packetizer
conf = mlse.make_packet_config_gsm()
self.packetbuilder = mlse.packetbuilder_midamble_vbb(conf)
self.connect(self, self.packetbuilder)
self.connect((self,1), (self.packetbuilder,1)) # tsc_index
# append 8 1-bits to the packet for the idle-time between bursts.
# This is necessary among others to flush the gmsk-modulator which is causal.
# (We use 1-bits because that's what the gsm-standard says)
# (we also only use 8 bits, because the specified value of 8.25 only works
# properly with samplerates that are a multiple of 4.)
self.guardbits = gr.vector_source_b((1,)*8,True,8)
self.guard_cat = mlse.vector_concat_vv(148,8)
self.connect(self.packetbuilder, self.guard_cat)
self.connect(self.guardbits, (self.guard_cat,1))
# we now have a vector of bits, transform that into a stream
self.tostream = gr.vector_to_stream(1, 148+8)
# do the precoding:
self.diffcode = gr.diff_decoder_bb(2);
self.nrz = gr.map_bb([1,-1])
self.connect(self.guard_cat, self.tostream, self.diffcode, self.nrz)
# modulate
self.mod = digital.gmskmod_bc(samples_per_symbol, 0.3, 8)
# skip the first gmsk_length*samplerate/2 samples to make this block
# acausal.
# self.skiphead = gr.skiphead(gr.sizeof_gr_complex, int(samples_per_symbol*4.5));
# self.connect(self.nrz, self.mod, self.skiphead, self)
self.connect(self.nrz, self.mod, self) # workaround: we need a negative delay later,
def __init__(self, uri='ip:192.168.3.1'):
grc_wxgui.top_block_gui.__init__(self,
title="Video Transceiver (GMSK)")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.uri = uri
##################################################
# Variables
##################################################
self.signal = signal = 5000
self.samp_rate = samp_rate = 2000000
self.rfgain_tx = rfgain_tx = 0
self.rfgain_rx = rfgain_rx = 15
self.freq = freq = 437000000
##################################################
# Blocks
##################################################
_rfgain_rx_sizer = wx.BoxSizer(wx.VERTICAL)
self._rfgain_rx_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rfgain_rx_sizer,
value=self.rfgain_rx,
callback=self.set_rfgain_rx,
label='RX Gain',
converter=forms.float_converter(),
proportion=0,
)
self._rfgain_rx_slider = forms.slider(
parent=self.GetWin(),
sizer=_rfgain_rx_sizer,
value=self.rfgain_rx,
callback=self.set_rfgain_rx,
minimum=0,
maximum=100,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_rfgain_rx_sizer)
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=freq,
y_per_div=10,
y_divs=10,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title='TX FFT Plot',
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=freq,
y_per_div=10,
y_divs=10,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title='RX FFT Plot',
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
_signal_sizer = wx.BoxSizer(wx.VERTICAL)
self._signal_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_signal_sizer,
value=self.signal,
callback=self.set_signal,
label='Signal',
converter=forms.float_converter(),
proportion=0,
)
self._signal_slider = forms.slider(
parent=self.GetWin(),
sizer=_signal_sizer,
value=self.signal,
callback=self.set_signal,
minimum=0,
maximum=32000,
num_steps=320,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_signal_sizer)
_rfgain_tx_sizer = wx.BoxSizer(wx.VERTICAL)
self._rfgain_tx_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rfgain_tx_sizer,
value=self.rfgain_tx,
callback=self.set_rfgain_tx,
label='TX Gain',
converter=forms.float_converter(),
proportion=0,
)
self._rfgain_tx_slider = forms.slider(
parent=self.GetWin(),
sizer=_rfgain_tx_sizer,
value=self.rfgain_tx,
callback=self.set_rfgain_tx,
minimum=0,
maximum=50,
num_steps=50,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_rfgain_tx_sizer)
self.pluto_source_0 = iio.pluto_source(uri, freq, samp_rate, 1 - 1,
20000000, 0x8000, False, True,
True, "manual", rfgain_rx, '',
True)
self.pluto_sink_0 = iio.pluto_sink(uri, freq, samp_rate, 1 - 1,
20000000, 0x8000, False, 10.0, '',
True)
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, 350000, 50000, firdes.WIN_HAMMING,
6.76))
self.digital_gmskmod_bc_0 = digital.gmskmod_bc(2, 4, 0.350)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=2,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((30000, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char * 1,
'/home/jay/txfifo.mkv',
False)
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_char * 1, '/home/jay/Desktop/pluto_sink.mkv', False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(
grc_blks2.packet_encoder(
samples_per_symbol=2,
bits_per_symbol=1,
preamble='',
access_code='',
pad_for_usrp=True,
),
payload_length=4000,
)
self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b(
grc_blks2.packet_decoder(
access_code='',
threshold=-1,
callback=lambda ok, payload: self.blks2_packet_decoder_0.
recv_pkt(ok, payload),
), )
##################################################
# Connections
##################################################
self.connect((self.blks2_packet_decoder_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.blks2_packet_encoder_0, 0),
(self.digital_gmskmod_bc_0, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blks2_packet_encoder_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.pluto_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.wxgui_fftsink2_0_0, 0))
self.connect((self.digital_gmsk_demod_0, 0),
(self.blks2_packet_decoder_0, 0))
self.connect((self.digital_gmskmod_bc_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.digital_gmsk_demod_0, 0))
self.connect((self.pluto_source_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.pluto_source_0, 0), (self.wxgui_fftsink2_0, 0))
def __init__(self, gain=1):
gr.hier_block2.__init__(
self,
"Split GMSK Modulator",
gr.io_signature(0, 0, 0),
gr.io_signature(1, 1, gr.sizeof_float * 1),
)
##################################################
# Parameters
##################################################
self.gain = gain
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
interpolation=1,
decimation=2,
taps=(1, ),
fractional_bw=None,
)
self.pad_source_1 = None
self.message_port_register_hier_out("9k6")
self.pad_source_0 = None
self.message_port_register_hier_out("4k8")
self.digital_gmskmod_bc_0_0 = digital.gmskmod_bc(10, 3, 0.3)
self.digital_gmskmod_bc_0 = digital.gmskmod_bc(10, 3, 0.3)
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_add_xx_0 = blocks.add_vff(1)
self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(gain)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(gain)
##################################################
# Connections
##################################################
self.connect((self.blocks_add_xx_0, 0), (self, 0))
self.connect((self.analog_quadrature_demod_cf_0_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.digital_gmskmod_bc_0_0, 0),
(self.analog_quadrature_demod_cf_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.digital_gmskmod_bc_0_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.digital_gmskmod_bc_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.digital_gmskmod_bc_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self, "4k8", self.blocks_pdu_to_tagged_stream_0,
"pdus")
self.msg_connect(self, "9k6", self.blocks_pdu_to_tagged_stream_0_0,
"pdus")
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="DVB Simulator (GMSK)")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.signal = signal = 500
self.samp_rate = samp_rate = 1024
self.noise = noise = 10
##################################################
# Blocks
##################################################
_noise_sizer = wx.BoxSizer(wx.VERTICAL)
self._noise_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_noise_sizer,
value=self.noise,
callback=self.set_noise,
label='Noise',
converter=forms.float_converter(),
proportion=0,
)
self._noise_slider = forms.slider(
parent=self.GetWin(),
sizer=_noise_sizer,
value=self.noise,
callback=self.set_noise,
minimum=0,
maximum=1000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_noise_sizer)
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='RX FFT Plot',
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0_0.win)
_signal_sizer = wx.BoxSizer(wx.VERTICAL)
self._signal_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_signal_sizer,
value=self.signal,
callback=self.set_signal,
label='Signal',
converter=forms.float_converter(),
proportion=0,
)
self._signal_slider = forms.slider(
parent=self.GetWin(),
sizer=_signal_sizer,
value=self.signal,
callback=self.set_signal,
minimum=0,
maximum=1000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_signal_sizer)
self.digital_gmskmod_bc_0 = digital.gmskmod_bc(2, 4, 0.3)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=2,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((500, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char * 1,
'/home/jay/txfifo.mkv',
False)
self.blocks_file_sink_0_0 = blocks.file_sink(
gr.sizeof_char * 1, '/home/jay/Desktop/sink.mkv', False)
self.blocks_file_sink_0_0.set_unbuffered(False)
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_char * 1, '/home/jay/Desktop/sink.mkv', False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(
grc_blks2.packet_encoder(
samples_per_symbol=2,
bits_per_symbol=1,
preamble='',
access_code='',
pad_for_usrp=True,
),
payload_length=0,
)
self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b(
grc_blks2.packet_decoder(
access_code='',
threshold=-1,
callback=lambda ok, payload: self.blks2_packet_decoder_0.
recv_pkt(ok, payload),
), )
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN, noise, 42)
##################################################
# Connections
##################################################
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.blks2_packet_decoder_0, 0),
(self.blocks_file_sink_0_0, 0))
self.connect((self.blks2_packet_encoder_0, 0),
(self.digital_gmskmod_bc_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.digital_gmsk_demod_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blks2_packet_encoder_0, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.digital_gmsk_demod_0, 0),
(self.blks2_packet_decoder_0, 0))
self.connect((self.digital_gmskmod_bc_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
