def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_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 = samp_rate = 32000
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=70,
decimation=64,
taps=None,
fractional_bw=None,
)
self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + "bladerf=0,buffers=128,buflen=32768" )
self.osmosdr_sink_0.set_sample_rate(10e6)
self.osmosdr_sink_0.set_center_freq(800e6, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(19, 0)
self.osmosdr_sink_0.set_if_gain(0, 0)
self.osmosdr_sink_0.set_bb_gain(0, 0)
self.osmosdr_sink_0.set_antenna("", 0)
self.osmosdr_sink_0.set_bandwidth(0, 0)
self.fft_vxx_0 = fft.fft_vcc(2048, False, (window.rectangular(2048)), True, 10)
self.dvbt_symbol_inner_interleaver_0 = dvbt.symbol_inner_interleaver(1512, dvbt.T2k, 1)
self.dvbt_reference_signals_0 = dvbt.reference_signals(gr.sizeof_gr_complex, 1512, 2048, dvbt.QAM16, dvbt.NH, dvbt.C1_2, dvbt.C1_2, dvbt.G1_32, dvbt.T2k, 0, 0)
self.dvbt_reed_solomon_enc_0 = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, 8)
self.dvbt_inner_coder_0 = dvbt.inner_coder(1, 1512, dvbt.QAM16, dvbt.NH, dvbt.C1_2)
self.dvbt_energy_dispersal_0 = dvbt.energy_dispersal(1)
self.dvbt_dvbt_map_0 = dvbt.dvbt_map(1512, dvbt.QAM16, dvbt.NH, dvbt.T2k, 1)
self.dvbt_convolutional_interleaver_0 = dvbt.convolutional_interleaver(136, 12, 17)
self.dvbt_bit_inner_interleaver_0 = dvbt.bit_inner_interleaver(1512, dvbt.QAM16, dvbt.NH, dvbt.T2k)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(2048, 2048+64, 0, "")
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.0022097087, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "test.ts", True)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.dvbt_energy_dispersal_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.dvbt_bit_inner_interleaver_0, 0), (self.dvbt_symbol_inner_interleaver_0, 0))
self.connect((self.dvbt_convolutional_interleaver_0, 0), (self.dvbt_inner_coder_0, 0))
self.connect((self.dvbt_dvbt_map_0, 0), (self.dvbt_reference_signals_0, 0))
self.connect((self.dvbt_energy_dispersal_0, 0), (self.dvbt_reed_solomon_enc_0, 0))
self.connect((self.dvbt_inner_coder_0, 0), (self.dvbt_bit_inner_interleaver_0, 0))
self.connect((self.dvbt_reed_solomon_enc_0, 0), (self.dvbt_convolutional_interleaver_0, 0))
self.connect((self.dvbt_reference_signals_0, 0), (self.fft_vxx_0, 0))
self.connect((self.dvbt_symbol_inner_interleaver_0, 0), (self.dvbt_dvbt_map_0, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.osmosdr_sink_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_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 = samp_rate = 6* 8000000.0 / 7
##################################################
# Blocks
##################################################
self.fft_vxx_0 = fft.fft_vcc(2048, True, (window.rectangular(2048)), True, 1)
self.dvbt_viterbi_decoder_0 = dvbt.viterbi_decoder(dvbt.QPSK, dvbt.NH, dvbt.C1_2, 768, 0, -1)
self.dvbt_symbol_inner_interleaver_0 = dvbt.symbol_inner_interleaver(1512, dvbt.T2k, 0)
self.dvbt_reed_solomon_dec_0 = dvbt.reed_solomon_dec(2, 8, 0x11d, 255, 239, 8, 51, 8)
self.dvbt_ofdm_sym_acquisition_0 = dvbt.ofdm_sym_acquisition(1, 2048, 1705, 64, 30)
self.dvbt_energy_descramble_0 = dvbt.energy_descramble(8)
self.dvbt_dvbt_demap_0 = dvbt.dvbt_demap(1512, dvbt.QPSK, dvbt.NH, dvbt.T2k, 1)
self.dvbt_demod_reference_signals_0 = dvbt.demod_reference_signals(gr.sizeof_gr_complex, 2048, 1512, dvbt.QPSK, dvbt.NH, dvbt.C1_2, dvbt.C1_2, dvbt.G1_32, dvbt.T2k, 0, 0)
self.dvbt_convolutional_deinterleaver_0 = dvbt.convolutional_deinterleaver(136, 12, 17)
self.dvbt_bit_inner_deinterleaver_0 = dvbt.bit_inner_deinterleaver(1512, dvbt.QPSK, dvbt.NH, dvbt.T2k)
self.blocks_vector_to_stream_1 = blocks.vector_to_stream(gr.sizeof_char*1, 1512)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.0022097087, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_gr_complex*1, "testBB.bin", False)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "test_out.ts", False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.dvbt_ofdm_sym_acquisition_0, 0))
self.connect((self.blocks_vector_to_stream_1, 0), (self.dvbt_viterbi_decoder_0, 0))
self.connect((self.dvbt_bit_inner_deinterleaver_0, 0), (self.blocks_vector_to_stream_1, 0))
self.connect((self.dvbt_convolutional_deinterleaver_0, 0), (self.dvbt_reed_solomon_dec_0, 0))
self.connect((self.dvbt_demod_reference_signals_0, 0), (self.dvbt_dvbt_demap_0, 0))
self.connect((self.dvbt_dvbt_demap_0, 0), (self.dvbt_symbol_inner_interleaver_0, 0))
self.connect((self.dvbt_energy_descramble_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.dvbt_ofdm_sym_acquisition_0, 0), (self.fft_vxx_0, 0))
self.connect((self.dvbt_reed_solomon_dec_0, 0), (self.dvbt_energy_descramble_0, 0))
self.connect((self.dvbt_symbol_inner_interleaver_0, 0), (self.dvbt_bit_inner_deinterleaver_0, 0))
self.connect((self.dvbt_viterbi_decoder_0, 0), (self.dvbt_convolutional_deinterleaver_0, 0))
self.connect((self.fft_vxx_0, 0), (self.dvbt_demod_reference_signals_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_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 = samp_rate = 32000
##################################################
# Blocks
##################################################
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.GetWin(),
title="Scope Plot",
sample_rate=samp_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=1200e6,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=10e6,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=70,
decimation=64,
taps=None,
fractional_bw=None,
)
self.fft_vxx_0 = fft.fft_vcc(2048, False, (window.rectangular(2048)), True, 10)
self.dvbt_symbol_inner_interleaver_0 = dvbt.symbol_inner_interleaver(1512, dvbt.T2k, 1)
self.dvbt_reference_signals_0 = dvbt.reference_signals(gr.sizeof_gr_complex, 1512, 2048, dvbt.QAM16, dvbt.NH, dvbt.C1_2, dvbt.C1_2, dvbt.G1_32, dvbt.T2k, 0, 0)
self.dvbt_reed_solomon_enc_0 = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, 8)
self.dvbt_inner_coder_0 = dvbt.inner_coder(1, 1512, dvbt.QAM16, dvbt.NH, dvbt.C1_2)
self.dvbt_energy_dispersal_0 = dvbt.energy_dispersal(1)
self.dvbt_dvbt_map_0 = dvbt.dvbt_map(1512, dvbt.QAM16, dvbt.NH, dvbt.T2k, 1)
self.dvbt_convolutional_interleaver_0 = dvbt.convolutional_interleaver(136, 12, 17)
self.dvbt_bit_inner_interleaver_0 = dvbt.bit_inner_interleaver(1512, dvbt.QAM16, dvbt.NH, dvbt.T2k)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(2048, 2048+64, 0, "")
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(gr.sizeof_gr_complex*1, 2048)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.0022097087, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "test.ts", True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, "testBB.bin", False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.dvbt_energy_dispersal_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.dvbt_bit_inner_interleaver_0, 0), (self.dvbt_symbol_inner_interleaver_0, 0))
self.connect((self.dvbt_convolutional_interleaver_0, 0), (self.dvbt_inner_coder_0, 0))
self.connect((self.dvbt_dvbt_map_0, 0), (self.dvbt_reference_signals_0, 0))
self.connect((self.dvbt_energy_dispersal_0, 0), (self.dvbt_reed_solomon_enc_0, 0))
self.connect((self.dvbt_inner_coder_0, 0), (self.dvbt_bit_inner_interleaver_0, 0))
self.connect((self.dvbt_reed_solomon_enc_0, 0), (self.dvbt_convolutional_interleaver_0, 0))
self.connect((self.dvbt_reference_signals_0, 0), (self.blocks_vector_to_stream_0, 0))
self.connect((self.dvbt_reference_signals_0, 0), (self.fft_vxx_0, 0))
self.connect((self.dvbt_symbol_inner_interleaver_0, 0), (self.dvbt_dvbt_map_0, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.wxgui_fftsink2_0, 0))
def main(args):
nargs = len(args)
if nargs == 1:
infile = args[0]
outfile = None
elif nargs == 2:
infile = args[0]
outfile = args[1]
else:
sys.stderr.write("Usage: dvbt-hackrf.py infile [output_file]\n")
sys.exit(1)
## Config Options
config = DVBTConfig('dvbt.conf')
# DVB-T Parameters
channel_mhz = config.get_channel_mhz()
mode = config.get_mode()
code_rate = config.get_code_rate()
constellation = config.get_constellation()
guard_interval = config.get_guard_interval()
# Hack-RF Parameters
center_freq = config.get_center_freq()
rf_gain = config.get_hackrf_rf_gain()
if_gain = config.get_hackrf_if_gain()
bb_gain = config.get_hackrf_bb_gain()
##
samp_rate = 10000000.0
if mode == dvbt.T2k:
factor = 1
carriers = 2048
elif mode == dvbt.T8k:
factor = 4
carriers = 8192
if guard_interval == dvbt.G1_32:
gi = carriers / 32
elif guard_interval == dvbt.G1_16:
gi = carriers / 16
elif guard_interval == dvbt.G1_8:
gi = carriers / 8
elif guard_interval == dvbt.G1_4:
gi = carriers / 4
if channel_mhz == 8:
bandwidth = 8750000
elif channel_mhz == 7:
bandwidth = 7000000
elif channel_mhz == 6:
bandwidth = 6000000
elif channel_mhz == 5:
bandwidth = 5000000
else:
bandwidth = 8750000
log = gr.logger("dvbt-hackrf")
log.set_level("DEBUG")
log.debug("logger initilized")
tb = gr.top_block()
log.debug("top block initialized")
src = blocks.file_source(gr.sizeof_char, infile, True)
log.debug("source block initialized")
dvbt_energy_dispersal = dvbt.energy_dispersal(1 * factor)
dvbt_reed_solomon_enc = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51,
(8 * factor))
dvbt_convolutional_interleaver = dvbt.convolutional_interleaver(
(136 * factor), 12, 17)
dvbt_inner_coder = dvbt.inner_coder(1, (1512 * factor), constellation,
dvbt.NH, code_rate)
dvbt_bit_inner_interleaver = dvbt.bit_inner_interleaver(
(1512 * factor), constellation, dvbt.NH, mode)
dvbt_symbol_inner_interleaver = dvbt.symbol_inner_interleaver(
(1512 * factor), mode, 1)
dvbt_dvbt_map = dvbt.dvbt_map((1512 * factor), constellation, dvbt.NH,
mode, 1)
dvbt_reference_signals = dvbt.reference_signals(gr.sizeof_gr_complex,
(1512 * factor), carriers,
constellation, dvbt.NH,
code_rate, code_rate,
dvbt.G1_32, mode, 0, 0)
fft_vxx = fft.fft_vcc(carriers, False, (window.rectangular(carriers)),
True, 10)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(
carriers, carriers + (gi), 0, "")
rational_resampler_xxx = filter.rational_resampler_ccc(interpolation=70,
decimation=64,
taps=None,
fractional_bw=None)
blocks_multiply_const_vxx = blocks.multiply_const_vcc((0.0022097087, ))
log.debug("DVB-T blocks initialized")
out = osmosdr.sink(args="numchan=1")
out.set_sample_rate(samp_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(rf_gain, 0)
out.set_if_gain(if_gain, 0)
out.set_bb_gain(bb_gain, 0)
out.set_antenna("", 0)
out.set_bandwidth(0, 0)
log.debug("Output block initialized")
tb.connect(src, dvbt_energy_dispersal)
tb.connect(dvbt_energy_dispersal, dvbt_reed_solomon_enc)
tb.connect(dvbt_reed_solomon_enc, dvbt_convolutional_interleaver)
tb.connect(dvbt_convolutional_interleaver, dvbt_inner_coder)
tb.connect(dvbt_inner_coder, dvbt_bit_inner_interleaver)
tb.connect(dvbt_bit_inner_interleaver, dvbt_symbol_inner_interleaver)
tb.connect(dvbt_symbol_inner_interleaver, dvbt_dvbt_map)
tb.connect(dvbt_dvbt_map, dvbt_reference_signals)
tb.connect(dvbt_reference_signals, fft_vxx)
tb.connect(fft_vxx, digital_ofdm_cyclic_prefixer)
tb.connect(digital_ofdm_cyclic_prefixer, blocks_multiply_const_vxx)
tb.connect(blocks_multiply_const_vxx, rational_resampler_xxx)
tb.connect(rational_resampler_xxx, out)
log.debug("all blocks connected")
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(blocks_multiply_const_vxx, dst)
log.debug("running gnuradio")
tb.run()
def main(args):
nargs = len(args)
if nargs == 1:
infile = args[0]
outfile = None
elif nargs == 2:
infile = args[0]
outfile = args[1]
else:
sys.stderr.write("Usage: dvbt-blade.py input_file [output_file]\n")
sys.exit(1)
channel_mhz = 6
mode = dvbt.T2k
code_rate = dvbt.C1_2
constellation = dvbt.QPSK
symbol_rate = channel_mhz * 8000000.0 / 7
center_freq = 441000000
txvga1_gain = -4
txvga2_gain = 25
if mode == dvbt.T2k:
factor = 1
carriers = 2048
elif mode == dvbt.T8k:
factor = 4
carriers = 8192
if channel_mhz == 8:
bandwidth = 8750000
elif channel_mhz == 7:
bandwidth = 7000000
elif channel_mhz == 6:
bandwidth = 6000000
elif channel_mhz == 5:
bandwidth = 5000000
else:
bandwidth = 8750000
tb = gr.top_block()
src = blocks.file_source(gr.sizeof_char, infile, True)
dvbt_energy_dispersal = dvbt.energy_dispersal(1 * factor)
dvbt_reed_solomon_enc = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51,
(8 * factor))
dvbt_convolutional_interleaver = dvbt.convolutional_interleaver(
(136 * factor), 12, 17)
dvbt_inner_coder = dvbt.inner_coder(1, (1512 * factor), constellation,
dvbt.NH, code_rate)
dvbt_bit_inner_interleaver = dvbt.bit_inner_interleaver(
(1512 * factor), constellation, dvbt.NH, mode)
dvbt_symbol_inner_interleaver = dvbt.symbol_inner_interleaver(
(1512 * factor), mode, 1)
dvbt_dvbt_map = dvbt.dvbt_map((1512 * factor), constellation, dvbt.NH,
mode, 1)
dvbt_reference_signals = dvbt.reference_signals(gr.sizeof_gr_complex,
(1512 * factor), carriers,
constellation, dvbt.NH,
code_rate, code_rate,
dvbt.G1_32, mode, 0, 0)
fft_vxx = fft.fft_vcc(carriers, False, (window.rectangular(carriers)),
True, 10)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(
carriers, carriers + (64 * factor), 0, "")
blocks_multiply_const_vxx = blocks.multiply_const_vcc(
(0.0022097087 * 2.5, ))
out = osmosdr.sink(args="bladerf=0,buffers=128,buflen=32768")
out.set_sample_rate(symbol_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(txvga2_gain, 0)
out.set_bb_gain(txvga1_gain, 0)
out.set_bandwidth(bandwidth, 0)
tb.connect(src, dvbt_energy_dispersal)
tb.connect(dvbt_energy_dispersal, dvbt_reed_solomon_enc)
tb.connect(dvbt_reed_solomon_enc, dvbt_convolutional_interleaver)
tb.connect(dvbt_convolutional_interleaver, dvbt_inner_coder)
tb.connect(dvbt_inner_coder, dvbt_bit_inner_interleaver)
tb.connect(dvbt_bit_inner_interleaver, dvbt_symbol_inner_interleaver)
tb.connect(dvbt_symbol_inner_interleaver, dvbt_dvbt_map)
tb.connect(dvbt_dvbt_map, dvbt_reference_signals)
tb.connect(dvbt_reference_signals, fft_vxx)
tb.connect(fft_vxx, digital_ofdm_cyclic_prefixer)
tb.connect(digital_ofdm_cyclic_prefixer, blocks_multiply_const_vxx)
tb.connect(blocks_multiply_const_vxx, out)
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(blocks_multiply_const_vxx, dst)
tb.run()
def main(args):
nargs = len(args)
if nargs == 1:
infile = args[0]
outfile = None
elif nargs == 2:
infile = args[0]
outfile = args[1]
else:
sys.stderr.write("Usage: dvbt-blade.py input_file [output_file]\n");
sys.exit(1)
channel_mhz = 6
mode = dvbt.T2k
code_rate = dvbt.C1_2
constellation = dvbt.QPSK
symbol_rate = channel_mhz * 8000000.0 / 7
center_freq = 441000000
txvga1_gain = -4
txvga2_gain = 25
if mode == dvbt.T2k:
factor = 1
carriers = 2048
elif mode == dvbt.T8k:
factor = 4
carriers = 8192
if channel_mhz == 8:
bandwidth = 8750000
elif channel_mhz == 7:
bandwidth = 7000000
elif channel_mhz == 6:
bandwidth = 6000000
elif channel_mhz == 5:
bandwidth = 5000000
else:
bandwidth = 8750000
tb = gr.top_block()
src = blocks.file_source(gr.sizeof_char, infile, True)
dvbt_energy_dispersal = dvbt.energy_dispersal(1 * factor)
dvbt_reed_solomon_enc = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dvbt_convolutional_interleaver = dvbt.convolutional_interleaver((136 * factor), 12, 17)
dvbt_inner_coder = dvbt.inner_coder(1, (1512 * factor), constellation, dvbt.NH, code_rate)
dvbt_bit_inner_interleaver = dvbt.bit_inner_interleaver((1512 * factor), constellation, dvbt.NH, mode)
dvbt_symbol_inner_interleaver = dvbt.symbol_inner_interleaver((1512 * factor), mode, 1)
dvbt_dvbt_map = dvbt.dvbt_map((1512 * factor), constellation, dvbt.NH, mode, 1)
dvbt_reference_signals = dvbt.reference_signals(gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dvbt.NH, code_rate, code_rate, dvbt.G1_32, mode, 0, 0)
fft_vxx = fft.fft_vcc(carriers, False, (window.rectangular(carriers)), True, 10)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(carriers, carriers+(64 * factor), 0, "")
blocks_multiply_const_vxx = blocks.multiply_const_vcc((0.0022097087 * 2.5, ))
out = osmosdr.sink(args="bladerf=0,buffers=128,buflen=32768")
out.set_sample_rate(symbol_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(txvga2_gain, 0)
out.set_bb_gain(txvga1_gain, 0)
out.set_bandwidth(bandwidth, 0)
tb.connect(src, dvbt_energy_dispersal)
tb.connect(dvbt_energy_dispersal, dvbt_reed_solomon_enc)
tb.connect(dvbt_reed_solomon_enc, dvbt_convolutional_interleaver)
tb.connect(dvbt_convolutional_interleaver, dvbt_inner_coder)
tb.connect(dvbt_inner_coder, dvbt_bit_inner_interleaver)
tb.connect(dvbt_bit_inner_interleaver, dvbt_symbol_inner_interleaver)
tb.connect(dvbt_symbol_inner_interleaver, dvbt_dvbt_map)
tb.connect(dvbt_dvbt_map, dvbt_reference_signals)
tb.connect(dvbt_reference_signals, fft_vxx)
tb.connect(fft_vxx, digital_ofdm_cyclic_prefixer)
tb.connect(digital_ofdm_cyclic_prefixer, blocks_multiply_const_vxx)
tb.connect(blocks_multiply_const_vxx, out)
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(blocks_multiply_const_vxx, dst)
tb.run()
def __init__(self):
gr.top_block.__init__(self, "Dvbt App1")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=70,
decimation=64,
taps=None,
fractional_bw=None,
)
self.fft_vxx_0 = fft.fft_vcc(2048, False, (window.rectangular(2048)),
True, 10)
self.dvbt_symbol_inner_interleaver_0 = dvbt.symbol_inner_interleaver(
1512, dvbt.T2k, 1)
self.dvbt_reference_signals_0 = dvbt.reference_signals(
gr.sizeof_gr_complex, 1512, 2048, dvbt.QAM16, dvbt.NH, dvbt.C1_2,
dvbt.C1_2, dvbt.G1_32, dvbt.T2k, 0, 0)
self.dvbt_reed_solomon_enc_0 = dvbt.reed_solomon_enc(
2, 8, 0x11d, 255, 239, 8, 51, 8)
self.dvbt_inner_coder_0 = dvbt.inner_coder(1, 1512, dvbt.QAM16,
dvbt.NH, dvbt.C1_2)
self.dvbt_energy_dispersal_0 = dvbt.energy_dispersal(1)
self.dvbt_dvbt_map_0 = dvbt.dvbt_map(1512, dvbt.QAM16, dvbt.NH,
dvbt.T2k, 1)
self.dvbt_convolutional_interleaver_0 = dvbt.convolutional_interleaver(
136, 12, 17)
self.dvbt_bit_inner_interleaver_0 = dvbt.bit_inner_interleaver(
1512, dvbt.QAM16, dvbt.NH, dvbt.T2k)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
2048, 2048 + 64, 0, '')
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
(0.0022097087, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char * 1,
'input', False)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex * 1,
'output', False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0),
(self.dvbt_energy_dispersal_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.dvbt_bit_inner_interleaver_0, 0),
(self.dvbt_symbol_inner_interleaver_0, 0))
self.connect((self.dvbt_convolutional_interleaver_0, 0),
(self.dvbt_inner_coder_0, 0))
self.connect((self.dvbt_dvbt_map_0, 0),
(self.dvbt_reference_signals_0, 0))
self.connect((self.dvbt_energy_dispersal_0, 0),
(self.dvbt_reed_solomon_enc_0, 0))
self.connect((self.dvbt_inner_coder_0, 0),
(self.dvbt_bit_inner_interleaver_0, 0))
self.connect((self.dvbt_reed_solomon_enc_0, 0),
(self.dvbt_convolutional_interleaver_0, 0))
self.connect((self.dvbt_reference_signals_0, 0), (self.fft_vxx_0, 0))
self.connect((self.dvbt_symbol_inner_interleaver_0, 0),
(self.dvbt_dvbt_map_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_cyclic_prefixer_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.blocks_file_sink_0, 0))
def main(args):
nargs = len(args)
if nargs == 1:
infile = args[0]
outfile = None
elif nargs == 2:
infile = args[0]
outfile = args[1]
else:
sys.stderr.write("Usage: dvbt-hackrf.py infile [output_file]\n");
sys.exit(1)
## Config Options
config = DVBTConfig('dvbt.conf')
# DVB-T Parameters
channel_mhz = config.get_channel_mhz()
mode = config.get_mode()
code_rate = config.get_code_rate()
constellation = config.get_constellation()
guard_interval = config.get_guard_interval()
# Hack-RF Parameters
center_freq = config.get_center_freq()
rf_gain = config.get_hackrf_rf_gain()
if_gain = config.get_hackrf_if_gain()
bb_gain = config.get_hackrf_bb_gain()
##
samp_rate = 10000000.0
if mode == dvbt.T2k:
factor = 1
carriers = 2048
elif mode == dvbt.T8k:
factor = 4
carriers = 8192
if guard_interval == dvbt.G1_32:
gi = carriers / 32
elif guard_interval == dvbt.G1_16:
gi = carriers / 16
elif guard_interval == dvbt.G1_8:
gi = carriers / 8
elif guard_interval == dvbt.G1_4:
gi = carriers / 4
if channel_mhz == 8:
bandwidth = 8750000
elif channel_mhz == 7:
bandwidth = 7000000
elif channel_mhz == 6:
bandwidth = 6000000
elif channel_mhz == 5:
bandwidth = 5000000
else:
bandwidth = 8750000
log=gr.logger("dvbt-hackrf")
log.set_level("DEBUG");
log.debug("logger initilized")
tb = gr.top_block()
log.debug("top block initialized")
src = blocks.file_source(gr.sizeof_char, infile, True)
log.debug("source block initialized")
dvbt_energy_dispersal = dvbt.energy_dispersal(1 * factor)
dvbt_reed_solomon_enc = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dvbt_convolutional_interleaver = dvbt.convolutional_interleaver((136 * factor), 12, 17)
dvbt_inner_coder = dvbt.inner_coder(1, (1512 * factor), constellation, dvbt.NH, code_rate)
dvbt_bit_inner_interleaver = dvbt.bit_inner_interleaver((1512 * factor), constellation, dvbt.NH, mode)
dvbt_symbol_inner_interleaver = dvbt.symbol_inner_interleaver((1512 * factor), mode, 1)
dvbt_dvbt_map = dvbt.dvbt_map((1512 * factor), constellation, dvbt.NH, mode, 1)
dvbt_reference_signals = dvbt.reference_signals(gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dvbt.NH, code_rate, code_rate, dvbt.G1_32, mode, 0, 0)
fft_vxx = fft.fft_vcc(carriers, False, (window.rectangular(carriers)), True, 10)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(carriers, carriers+(gi), 0, "")
rational_resampler_xxx = filter.rational_resampler_ccc(interpolation=70, decimation=64, taps=None, fractional_bw=None)
blocks_multiply_const_vxx = blocks.multiply_const_vcc((0.0022097087, ))
log.debug("DVB-T blocks initialized")
out = osmosdr.sink(args="numchan=1")
out.set_sample_rate(samp_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(rf_gain, 0)
out.set_if_gain(if_gain, 0)
out.set_bb_gain(bb_gain, 0)
out.set_antenna("", 0)
out.set_bandwidth(0, 0)
log.debug("Output block initialized")
tb.connect(src, dvbt_energy_dispersal)
tb.connect(dvbt_energy_dispersal, dvbt_reed_solomon_enc)
tb.connect(dvbt_reed_solomon_enc, dvbt_convolutional_interleaver)
tb.connect(dvbt_convolutional_interleaver, dvbt_inner_coder)
tb.connect(dvbt_inner_coder, dvbt_bit_inner_interleaver)
tb.connect(dvbt_bit_inner_interleaver, dvbt_symbol_inner_interleaver)
tb.connect(dvbt_symbol_inner_interleaver, dvbt_dvbt_map)
tb.connect(dvbt_dvbt_map, dvbt_reference_signals)
tb.connect(dvbt_reference_signals, fft_vxx)
tb.connect(fft_vxx, digital_ofdm_cyclic_prefixer)
tb.connect(digital_ofdm_cyclic_prefixer, blocks_multiply_const_vxx)
tb.connect(blocks_multiply_const_vxx, rational_resampler_xxx)
tb.connect(rational_resampler_xxx, out)
log.debug("all blocks connected")
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(blocks_multiply_const_vxx, dst)
log.debug("running gnuradio")
tb.run()
def main(args):
nargs = len(args)
if nargs == 1:
port = int(args[0])
outfile = None
elif nargs == 2:
port = int(args[0])
outfile = args[1]
else:
sys.stderr.write("Usage: dvbt-blade.py port [output_file]\n");
sys.exit(1)
channel_mhz = 6
mode = dvbt.T2k
code_rate = dvbt.C1_2
constellation = dvbt.QPSK
guard_interval = dvbt.G1_32
symbol_rate = channel_mhz * 8000000.0 / 7
center_freq = 441000000
tx_gain = 83 # max 89.5
if mode == dvbt.T2k:
factor = 1
carriers = 2048
elif mode == dvbt.T8k:
factor = 4
carriers = 8192
if guard_interval == dvbt.G1_32:
gi = carriers / 32
elif guard_interval == dvbt.G1_16:
gi = carriers / 16
elif guard_interval == dvbt.G1_8:
gi = carriers / 8
elif guard_interval == dvbt.G1_4:
gi = carriers / 4
if channel_mhz == 8:
bandwidth = 8750000
elif channel_mhz == 7:
bandwidth = 7000000
elif channel_mhz == 6:
bandwidth = 6000000
elif channel_mhz == 5:
bandwidth = 5000000
else:
bandwidth = 8750000
tb = gr.top_block()
out = uhd.usrp_sink(
device_addr="recv_frame_size=65536,num_recv_frames=128,send_frame_size=65536,num_send_frames=128,master_clock_rate=" + str(symbol_rate*4),
stream_args=uhd.stream_args(
cpu_format="fc32",
otw_format="sc16",
channels=range(1),
),
)
out.set_samp_rate(symbol_rate)
out.set_center_freq(center_freq, 0)
out.set_gain(tx_gain, 0)
#src = blocks.udp_source(gr.sizeof_char*1, "127.0.0.1", port, 18800, True)
src = grc_blks2.tcp_source(gr.sizeof_char*1, "127.0.0.1", port, True)
dvbt_energy_dispersal = dvbt.energy_dispersal(1 * factor)
dvbt_reed_solomon_enc = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dvbt_convolutional_interleaver = dvbt.convolutional_interleaver((136 * factor), 12, 17)
dvbt_inner_coder = dvbt.inner_coder(1, (1512 * factor), constellation, dvbt.NH, code_rate)
dvbt_bit_inner_interleaver = dvbt.bit_inner_interleaver((1512 * factor), constellation, dvbt.NH, mode)
dvbt_symbol_inner_interleaver = dvbt.symbol_inner_interleaver((1512 * factor), mode, 1)
dvbt_dvbt_map = dvbt.dvbt_map((1512 * factor), constellation, dvbt.NH, mode, 1)
dvbt_reference_signals = dvbt.reference_signals(gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dvbt.NH, code_rate, code_rate, dvbt.G1_32, mode, 0, 0)
fft_vxx = fft.fft_vcc(carriers, False, (window.rectangular(carriers)), True, 10)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(carriers, carriers+(gi), 0, "")
blocks_multiply_const_vxx = blocks.multiply_const_vcc((0.0022097087 * 2.5, ))
tb.connect(src, dvbt_energy_dispersal)
tb.connect(dvbt_energy_dispersal, dvbt_reed_solomon_enc)
tb.connect(dvbt_reed_solomon_enc, dvbt_convolutional_interleaver)
tb.connect(dvbt_convolutional_interleaver, dvbt_inner_coder)
tb.connect(dvbt_inner_coder, dvbt_bit_inner_interleaver)
tb.connect(dvbt_bit_inner_interleaver, dvbt_symbol_inner_interleaver)
tb.connect(dvbt_symbol_inner_interleaver, dvbt_dvbt_map)
tb.connect(dvbt_dvbt_map, dvbt_reference_signals)
tb.connect(dvbt_reference_signals, fft_vxx)
tb.connect(fft_vxx, digital_ofdm_cyclic_prefixer)
tb.connect(digital_ofdm_cyclic_prefixer, blocks_multiply_const_vxx)
tb.connect(blocks_multiply_const_vxx, out)
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(blocks_multiply_const_vxx, dst)
tb.run()
def main(args):
nargs = len(args)
if nargs == 1:
port = int(args[0])
outfile = None
elif nargs == 2:
port = int(args[0])
outfile = args[1]
else:
sys.stderr.write("Usage: dvbt-hackrf.py port [output_file]\n");
sys.exit(1)
channel_mhz = 6
mode = dvbt.T2k
code_rate = dvbt.C1_2
constellation = dvbt.QPSK
guard_interval = dvbt.G1_32
symbol_rate = channel_mhz * 8000000.0 / 7
center_freq = 441000000
rf_gain = 14
if_gain = 40
if mode == dvbt.T2k:
factor = 1
carriers = 2048
elif mode == dvbt.T8k:
factor = 4
carriers = 8192
if guard_interval == dvbt.G1_32:
gi = carriers / 32
elif guard_interval == dvbt.G1_16:
gi = carriers / 16
elif guard_interval == dvbt.G1_8:
gi = carriers / 8
elif guard_interval == dvbt.G1_4:
gi = carriers / 4
if channel_mhz == 8:
bandwidth = 8750000
elif channel_mhz == 7:
bandwidth = 7000000
elif channel_mhz == 6:
bandwidth = 6000000
elif channel_mhz == 5:
bandwidth = 5000000
else:
bandwidth = 8750000
tb = gr.top_block()
src = grc_blks2.tcp_source(gr.sizeof_char*1, "127.0.0.1", port, True)
dvbt_energy_dispersal = dvbt.energy_dispersal(1 * factor)
dvbt_reed_solomon_enc = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dvbt_convolutional_interleaver = dvbt.convolutional_interleaver((136 * factor), 12, 17)
dvbt_inner_coder = dvbt.inner_coder(1, (1512 * factor), constellation, dvbt.NH, code_rate)
dvbt_bit_inner_interleaver = dvbt.bit_inner_interleaver((1512 * factor), constellation, dvbt.NH, mode)
dvbt_symbol_inner_interleaver = dvbt.symbol_inner_interleaver((1512 * factor), mode, 1)
dvbt_dvbt_map = dvbt.dvbt_map((1512 * factor), constellation, dvbt.NH, mode, 1)
dvbt_reference_signals = dvbt.reference_signals(gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dvbt.NH, code_rate, code_rate, dvbt.G1_32, mode, 0, 0)
fft_vxx = fft.fft_vcc(carriers, False, (window.rectangular(carriers)), True, 10)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(carriers, carriers+(gi), 0, "")
blocks_multiply_const_vxx = blocks.multiply_const_vcc((0.0022097087 * 2.5, ))
out = osmosdr.sink(args="hackrf=0")
out.set_sample_rate(symbol_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(rf_gain, 0)
out.set_if_gain(if_gain, 0)
out.set_bandwidth(bandwidth, 0)
tb.connect(src, dvbt_energy_dispersal)
tb.connect(dvbt_energy_dispersal, dvbt_reed_solomon_enc)
tb.connect(dvbt_reed_solomon_enc, dvbt_convolutional_interleaver)
tb.connect(dvbt_convolutional_interleaver, dvbt_inner_coder)
tb.connect(dvbt_inner_coder, dvbt_bit_inner_interleaver)
tb.connect(dvbt_bit_inner_interleaver, dvbt_symbol_inner_interleaver)
tb.connect(dvbt_symbol_inner_interleaver, dvbt_dvbt_map)
tb.connect(dvbt_dvbt_map, dvbt_reference_signals)
tb.connect(dvbt_reference_signals, fft_vxx)
tb.connect(fft_vxx, digital_ofdm_cyclic_prefixer)
tb.connect(digital_ofdm_cyclic_prefixer, blocks_multiply_const_vxx)
tb.connect(blocks_multiply_const_vxx, out)
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(blocks_multiply_const_vxx, dst)
tb.run()
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_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 = samp_rate = 32000
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=570e6,
y_per_div=10,
y_divs=10,
ref_level=-50,
ref_scale=2.0,
sample_rate=10e6,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=64,
decimation=70,
taps=None,
fractional_bw=None,
)
self.fft_vxx_0 = fft.fft_vcc(2048, True, (window.rectangular(2048)), True, 1)
self.dvbt_viterbi_decoder_0 = dvbt.viterbi_decoder(dvbt.QAM16, dvbt.NH, dvbt.C1_2, 768, 0, -1)
self.dvbt_symbol_inner_interleaver_0 = dvbt.symbol_inner_interleaver(1512, dvbt.T2k, 0)
self.dvbt_reed_solomon_dec_0 = dvbt.reed_solomon_dec(2, 8, 0x11d, 255, 239, 8, 51, 8)
self.dvbt_ofdm_sym_acquisition_0 = dvbt.ofdm_sym_acquisition(1, 2048, 1705, 64, 30)
self.dvbt_energy_descramble_0 = dvbt.energy_descramble(8)
self.dvbt_dvbt_demap_0 = dvbt.dvbt_demap(1512, dvbt.QAM16, dvbt.NH, dvbt.T2k, 1)
self.dvbt_demod_reference_signals_0 = dvbt.demod_reference_signals(gr.sizeof_gr_complex, 2048, 1512, dvbt.QAM16, dvbt.NH, dvbt.C1_2, dvbt.C1_2, dvbt.G1_32, dvbt.T2k, 0, 0)
self.dvbt_convolutional_deinterleaver_0 = dvbt.convolutional_deinterleaver(136, 12, 17)
self.dvbt_bit_inner_deinterleaver_0 = dvbt.bit_inner_deinterleaver(1512, dvbt.QAM16, dvbt.NH, dvbt.T2k)
self.blocks_vector_to_stream_1 = blocks.vector_to_stream(gr.sizeof_char*1, 1512)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_char*1, "192.168.10.201", 5002, 1472, True)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.0022097087, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_gr_complex*1, "testBB.bin", False)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_noise_source_x_0 = analog.noise_source_c(analog.GR_GAUSSIAN, 0.000, 0)
##################################################
# Connections
##################################################
self.connect((self.dvbt_demod_reference_signals_0, 0), (self.dvbt_dvbt_demap_0, 0))
self.connect((self.dvbt_dvbt_demap_0, 0), (self.dvbt_symbol_inner_interleaver_0, 0))
self.connect((self.dvbt_symbol_inner_interleaver_0, 0), (self.dvbt_bit_inner_deinterleaver_0, 0))
self.connect((self.fft_vxx_0, 0), (self.dvbt_demod_reference_signals_0, 0))
self.connect((self.dvbt_ofdm_sym_acquisition_0, 0), (self.fft_vxx_0, 0))
self.connect((self.dvbt_convolutional_deinterleaver_0, 0), (self.dvbt_reed_solomon_dec_0, 0))
self.connect((self.dvbt_bit_inner_deinterleaver_0, 0), (self.blocks_vector_to_stream_1, 0))
self.connect((self.blocks_vector_to_stream_1, 0), (self.dvbt_viterbi_decoder_0, 0))
self.connect((self.dvbt_viterbi_decoder_0, 0), (self.dvbt_convolutional_deinterleaver_0, 0))
self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.dvbt_ofdm_sym_acquisition_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.dvbt_reed_solomon_dec_0, 0), (self.dvbt_energy_descramble_0, 0))
self.connect((self.dvbt_energy_descramble_0, 0), (self.blocks_udp_sink_0, 0))
def main(args):
d = 'Transmit a DVB-T signal using the HackRF and gr-dvbt'
parser = argparse.ArgumentParser()
mode_help = '# of carriers. Options: t2k, t8k (default).'
parser.add_argument('-m', '--mode', dest='mode', default='t8k',
type=str, help=mode_help)
ch_help = 'channel width in MHz. Options: 5, 6, 7, 8 (default).'
parser.add_argument('-c', '--channel', dest='channel', default=8,
metavar='CH', type=int, help=ch_help)
const_help = 'constellation. qpsk, qam16, qam64 (default).'
parser.add_argument('-C', '--cons', dest='cons', default='qam64',
metavar='TYPE', type=str, help=const_help)
rate_help = 'Viterbi rate. 1/2, 2/3, 3/4, 5/6, 7/8 (default).'
parser.add_argument('-r', '--rate', dest='rate', default='7/8',
type=str, help=rate_help)
guard_help = 'guard interval. 1/32 (default), 1/16, 1/8, 1/4.'
parser.add_argument('-g', '--guard', dest='interval', default='1/32',
metavar='D', type=str, help=guard_help)
freq_help = 'center frequency (Hz). Default is 429e6.'
parser.add_argument('-f', '--freq', dest='freq', default=429e6,
type=float, help=freq_help)
vga1_help = 'bladeRF TXVGA1 gain. Default is -6.'
parser.add_argument('--txvga1', dest='txvga1', default=-6,
metavar='gain', type=int, help=vga1_help)
vga2_help = 'bladeRF TXVGA2 gain. Default is 9.'
parser.add_argument('--txvga2', dest='txvga2', default=9,
metavar='gain', type=int, help=vga2_help)
outfile_help = 'write to specified file.'
parser.add_argument('-o', '--output', dest='outfile', default=None,
metavar='OUT', type=str, help=outfile_help)
parser.add_argument('infile', metavar='input-file', type=str,
help='Input file')
args = parser.parse_args()
print args
if args.mode.lower() == 't2k':
mode = dvbt.T2k
elif args.mode.lower() == 't8k':
mode = dvbt.T8k
else:
sys.stderr.write('Invalid mode provided: ' + args.mode + '\n')
sys.exit(1)
if args.channel < 5 or args.channel > 8:
sys.stderr.write('Invalid channel: ' + str(args.channel) + '\n')
sys.exit(1)
else:
channel_mhz = args.channel
if args.cons.lower() == 'qpsk':
constellation = dvbt.QPSK
elif args.cons.lower() == 'qam16':
constellation = dvbt.QAM16
elif args.cons.lower() == 'qam64':
constellation = dvbt.QAM64
else:
sys.stderr.write('Invalid constellation type: ' + args.cons + '\n')
sys.exit(1)
if args.rate == '1/2':
code_rate = dvbt.C1_2
elif args.rate == '2/3':
code_rate = dvbt.C2_3
elif args.rate == '3/4':
code_rate = dvbt.C3_4
elif args.rate == '5/6':
code_rate = dvbt.C5_6
elif args.rate == '7/8':
code_rate = dvbt.C7_8
else:
sys.stderr.write('Invalid Viterbi rate: ' + args.rate + '\n')
sys.exit(1)
if args.interval == '1/32':
guard_interval = dvbt.G1_32
elif args.interval == '1/16':
guard_interval = dvbt.G1_16
elif args.interval == '1/8':
guard_interval = dvbt.G1_8
elif args.interval == '1/4':
guard_interval = dvbt.G1_4
else:
sys.stderr.write('Invalid guard interval: ' + args.interval + '\n')
sys.exit(1)
if args.freq < 300e6 or args.freq > 3.8e9:
sys.stderr.write('Invalid center frequency: ' + str(args.freq) + '\n')
sys.exit(1)
else:
center_freq = int(args.freq)
if args.txvga1 < -35 or args.txvga1 > -4:
sys.stderr.write('Invalid bladeRF TXVGA1 gain: ' +
str(args.txvga1) + '\n')
sys.exit(1)
else:
txvga1_gain = args.txvga1
if args.txvga2 < 0 or args.txvga2 > 25:
sys.stderr.write('Invalid bladeRF TXVGA2 gain: ' +
str(args.txvga2) + '\n')
sys.exit(1)
else:
txvga2_gain = args.txvga2
infile = args.infile
outfile = args.outfile
symbol_rate = channel_mhz * 8000000.0 / 7
if mode == dvbt.T2k:
factor = 1
carriers = 2048
elif mode == dvbt.T8k:
factor = 4
carriers = 8192
if guard_interval == dvbt.G1_32:
gi = carriers / 32
elif guard_interval == dvbt.G1_16:
gi = carriers / 16
elif guard_interval == dvbt.G1_8:
gi = carriers / 8
elif guard_interval == dvbt.G1_4:
gi = carriers / 4
if channel_mhz == 8:
bandwidth = 8750000
elif channel_mhz == 7:
bandwidth = 7000000
elif channel_mhz == 6:
bandwidth = 6000000
elif channel_mhz == 5:
bandwidth = 5000000
else:
bandwidth = 8750000
tb = gr.top_block()
src = blocks.file_source(gr.sizeof_char, infile, True)
dvbt_energy_dispersal = dvbt.energy_dispersal(1 * factor)
dvbt_reed_solomon_enc = dvbt.reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dvbt_convolutional_interleaver = dvbt.convolutional_interleaver((136 * factor), 12, 17)
dvbt_inner_coder = dvbt.inner_coder(1, (1512 * factor), constellation, dvbt.NH, code_rate)
dvbt_bit_inner_interleaver = dvbt.bit_inner_interleaver((1512 * factor), constellation, dvbt.NH, mode)
dvbt_symbol_inner_interleaver = dvbt.symbol_inner_interleaver((1512 * factor), mode, 1)
dvbt_dvbt_map = dvbt.dvbt_map((1512 * factor), constellation, dvbt.NH, mode, 1)
dvbt_reference_signals = dvbt.reference_signals(gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dvbt.NH, code_rate, code_rate, guard_interval, mode, 0, 0)
fft_vxx = fft.fft_vcc(carriers, False, (window.rectangular(carriers)), True, 10)
digital_ofdm_cyclic_prefixer = digital.ofdm_cyclic_prefixer(carriers, carriers+(gi), 0, "")
blocks_multiply_const_vxx = blocks.multiply_const_vcc((0.0022097087, ))
out = osmosdr.sink("buffers=128,buflen=32768")
out.set_sample_rate(symbol_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(txvga2_gain, 0)
out.set_bb_gain(txvga1_gain, 0)
out.set_bandwidth(bandwidth, 0)
tb.connect(src, dvbt_energy_dispersal)
tb.connect(dvbt_energy_dispersal, dvbt_reed_solomon_enc)
tb.connect(dvbt_reed_solomon_enc, dvbt_convolutional_interleaver)
tb.connect(dvbt_convolutional_interleaver, dvbt_inner_coder)
tb.connect(dvbt_inner_coder, dvbt_bit_inner_interleaver)
tb.connect(dvbt_bit_inner_interleaver, dvbt_symbol_inner_interleaver)
tb.connect(dvbt_symbol_inner_interleaver, dvbt_dvbt_map)
tb.connect(dvbt_dvbt_map, dvbt_reference_signals)
tb.connect(dvbt_reference_signals, fft_vxx)
tb.connect(fft_vxx, digital_ofdm_cyclic_prefixer)
tb.connect(digital_ofdm_cyclic_prefixer, blocks_multiply_const_vxx)
tb.connect(blocks_multiply_const_vxx, out)
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(blocks_multiply_const_vxx, dst)
tb.run()
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.GetWin(),
title="Scope Plot",
sample_rate=samp_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=570e6,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=10e6,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("addr=192.168.10.2", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(10e6)
self.uhd_usrp_source_0.set_center_freq(1280e6, 0)
self.uhd_usrp_source_0.set_gain(19, 0)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=64,
decimation=70,
taps=None,
fractional_bw=None,
)
self.fft_vxx_0 = fft.fft_vcc(2048, True, (window.rectangular(2048)),
True, 1)
self.dvbt_viterbi_decoder_0 = dvbt.viterbi_decoder(
dvbt.QAM16, dvbt.NH, dvbt.C1_2, 512, 0, -1)
self.dvbt_symbol_inner_interleaver_0 = dvbt.symbol_inner_interleaver(
1512, dvbt.T2k, 0)
self.dvbt_reed_solomon_dec_0 = dvbt.reed_solomon_dec(
2, 8, 0x11d, 255, 239, 8, 51, 8)
self.dvbt_ofdm_sym_acquisition_0 = dvbt.ofdm_sym_acquisition(
1, 2048, 1705, 64, 30)
self.dvbt_energy_descramble_0 = dvbt.energy_descramble(8)
self.dvbt_dvbt_demap_0 = dvbt.dvbt_demap(1512, dvbt.QAM16, dvbt.NH,
dvbt.T2k, 1)
self.dvbt_demod_reference_signals_0 = dvbt.demod_reference_signals(
gr.sizeof_gr_complex, 2048, 1512, dvbt.QAM16, dvbt.NH, dvbt.C1_2,
dvbt.C1_2, dvbt.G1_32, dvbt.T2k, 0, 0)
self.dvbt_convolutional_deinterleaver_0 = dvbt.convolutional_deinterleaver(
136, 12, 17)
self.dvbt_bit_inner_deinterleaver_0 = dvbt.bit_inner_deinterleaver(
1512, dvbt.QAM16, dvbt.NH, dvbt.T2k)
self.blocks_vector_to_stream_1 = blocks.vector_to_stream(
gr.sizeof_char * 1, 1512)
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(
gr.sizeof_gr_complex * 1, 1512)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
(0.0022097087, ))
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1,
"test_out.ts", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN, 0.000, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.blocks_add_xx_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.dvbt_ofdm_sym_acquisition_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.wxgui_fftsink2_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0),
(self.wxgui_scopesink2_0, 0))
self.connect((self.blocks_vector_to_stream_1, 0),
(self.dvbt_viterbi_decoder_0, 0))
self.connect((self.dvbt_bit_inner_deinterleaver_0, 0),
(self.blocks_vector_to_stream_1, 0))
self.connect((self.dvbt_convolutional_deinterleaver_0, 0),
(self.dvbt_reed_solomon_dec_0, 0))
self.connect((self.dvbt_demod_reference_signals_0, 0),
(self.blocks_vector_to_stream_0, 0))
self.connect((self.dvbt_demod_reference_signals_0, 0),
(self.dvbt_dvbt_demap_0, 0))
self.connect((self.dvbt_dvbt_demap_0, 0),
(self.dvbt_symbol_inner_interleaver_0, 0))
self.connect((self.dvbt_energy_descramble_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.dvbt_ofdm_sym_acquisition_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.dvbt_reed_solomon_dec_0, 0),
(self.dvbt_energy_descramble_0, 0))
self.connect((self.dvbt_symbol_inner_interleaver_0, 0),
(self.dvbt_bit_inner_deinterleaver_0, 0))
self.connect((self.dvbt_viterbi_decoder_0, 0),
(self.dvbt_convolutional_deinterleaver_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.dvbt_demod_reference_signals_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_add_xx_0, 0))