def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Dvbs Tx")
##################################################
# Variables
##################################################
self.symbol_rate = symbol_rate = 4500000
self.samp_rate = samp_rate = symbol_rate * 2
self.rrc_taps = rrc_taps = 20
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=435000000,
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=True,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.trellis_encoder_xx_0 = trellis.encoder_bb(trellis.fsm(1, 2, (0171, 0133)), 0)
self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + "" )
self.osmosdr_sink_0.set_sample_rate(samp_rate)
self.osmosdr_sink_0.set_center_freq(435e6, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(2, 0)
self.osmosdr_sink_0.set_if_gain(0, 0)
self.osmosdr_sink_0.set_bb_gain(-4, 0)
self.osmosdr_sink_0.set_antenna("", 0)
self.osmosdr_sink_0.set_bandwidth(6000000, 0)
self.fft_filter_xxx_0 = filter.fft_filter_ccc(1, (firdes.root_raised_cosine(1.79, samp_rate, samp_rate/2, 0.35, rrc_taps)), 1)
self.fft_filter_xxx_0.declare_sample_delay(0)
self.dvbs_reed_solomon_enc_bb_0 = dvbs.reed_solomon_enc_bb()
self.dvbs_randomizer_bb_0 = dvbs.randomizer_bb()
self.dvbs_puncture_bb_0 = dvbs.puncture_bb(dvbs.C1_2)
self.dvbs_modulator_bc_0 = dvbs.modulator_bc()
self.dvbs_interleaver_bb_0 = dvbs.interleaver_bb()
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(2)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/re/xfer/adv.ts", False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.dvbs_randomizer_bb_0, 0))
self.connect((self.dvbs_randomizer_bb_0, 0), (self.dvbs_reed_solomon_enc_bb_0, 0))
self.connect((self.dvbs_reed_solomon_enc_bb_0, 0), (self.dvbs_interleaver_bb_0, 0))
self.connect((self.dvbs_interleaver_bb_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.trellis_encoder_xx_0, 0))
self.connect((self.trellis_encoder_xx_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.dvbs_puncture_bb_0, 0))
self.connect((self.dvbs_puncture_bb_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.dvbs_modulator_bc_0, 0), (self.fft_filter_xxx_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.dvbs_modulator_bc_0, 0))
self.connect((self.fft_filter_xxx_0, 0), (self.osmosdr_sink_0, 0))
self.connect((self.fft_filter_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: dvbs-blade.py input_file [output_file]\n")
sys.exit(1)
symbol_rate = 4500000
samp_rate = symbol_rate * 2
code_rate = dvbs.C1_2
rrc_taps = 20
center_freq = 435000000
txvga1_gain = -4
txvga2_gain = 1
bandwidth = 6000000
tb = gr.top_block()
src = blocks.file_source(gr.sizeof_char, infile, True)
dvbs_randomizer = dvbs.randomizer_bb()
dvbs_reed_solomon_enc = dvbs.reed_solomon_enc_bb()
dvbs_interleaver = dvbs.interleaver_bb()
blocks_packed_to_unpacked = blocks.packed_to_unpacked_bb(
1, gr.GR_MSB_FIRST)
trellis_encoder = trellis.encoder_bb(trellis.fsm(1, 2, (0171, 0133)), 0)
blocks_unpack_k_bits = blocks.unpack_k_bits_bb(2)
dvbs_puncture = dvbs.puncture_bb(code_rate)
blocks_pack_k_bits = blocks.pack_k_bits_bb(2)
digital_chunks_to_symbols = digital.chunks_to_symbols_bc(([
complex(0.70710678, 0.70710678),
complex(0.70710678, -0.70710678),
complex(-0.70710678, 0.70710678),
complex(-0.70710678, -0.70710678)
]), 1)
interp_fir_filter = filter.interp_fir_filter_ccc(
2, (firdes.root_raised_cosine(1.79, samp_rate, samp_rate / 2, 0.35,
rrc_taps)))
interp_fir_filter.declare_sample_delay(0)
out = osmosdr.sink(args="bladerf=0,buffers=128,buflen=32768")
out.set_sample_rate(samp_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, dvbs_randomizer)
tb.connect(dvbs_randomizer, dvbs_reed_solomon_enc)
tb.connect(dvbs_reed_solomon_enc, dvbs_interleaver)
tb.connect(dvbs_interleaver, blocks_packed_to_unpacked)
tb.connect(blocks_packed_to_unpacked, trellis_encoder)
tb.connect(trellis_encoder, blocks_unpack_k_bits)
tb.connect(blocks_unpack_k_bits, dvbs_puncture)
tb.connect(dvbs_puncture, blocks_pack_k_bits)
tb.connect(blocks_pack_k_bits, digital_chunks_to_symbols)
tb.connect(digital_chunks_to_symbols, interp_fir_filter)
tb.connect(interp_fir_filter, out)
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(interp_fir_filter, dst)
tb.run()
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Dvbs Tx")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.symbol_rate = symbol_rate = 1000000
self.username = username = os.environ.get('USER')
self.samp_rate = samp_rate = symbol_rate * 2
self.rrc_taps = rrc_taps = 20
self.frequency = frequency = 970e6
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=frequency,
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=True,
avg_alpha=None,
title='FFT Plot',
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.trellis_encoder_xx_0 = trellis.encoder_bb(
trellis.fsm(1, 2,
(0171, 0133)), 0, 0) if False else trellis.encoder_bb(
trellis.fsm(1, 2, (0171, 0133)), 0)
self._symbol_rate_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.symbol_rate,
callback=self.set_symbol_rate,
label='symbol_rate',
choices=[333000, 500000, 1000000, 1200000, 1500000],
labels=["333kS/s", "500 kS/s", "1000kS/s", "1200kS/s", "1500kS/s"],
style=wx.RA_HORIZONTAL,
)
self.Add(self._symbol_rate_chooser)
self.pluto_sink_0 = iio.pluto_sink('', int(frequency), int(samp_rate),
int(9000000), 0x8000, False, 0.0,
'', True)
self.fft_filter_xxx_0 = filter.fft_filter_ccc(
1, (firdes.root_raised_cosine(1.79, samp_rate, samp_rate / 2, 0.35,
rrc_taps)), 1)
self.fft_filter_xxx_0.declare_sample_delay(0)
self.dvbs_reed_solomon_enc_bb_0 = dvbs.reed_solomon_enc_bb()
self.dvbs_randomizer_bb_0 = dvbs.randomizer_bb()
self.dvbs_puncture_bb_0 = dvbs.puncture_bb(dvbs.C1_2)
self.dvbs_modulator_bc_0 = dvbs.modulator_bc()
self.dvbs_interleaver_bb_0 = dvbs.interleaver_bb()
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(
1, gr.GR_MSB_FIRST)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(2)
self.blocks_file_source_1 = blocks.file_source(
gr.sizeof_char * 1,
"/media/" + username + "/PlutoSDR/MPEG2-lalinea.ts", True)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_1, 0),
(self.dvbs_randomizer_bb_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0),
(self.dvbs_modulator_bc_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0),
(self.trellis_encoder_xx_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.dvbs_puncture_bb_0, 0))
self.connect((self.dvbs_interleaver_bb_0, 0),
(self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.dvbs_modulator_bc_0, 0), (self.fft_filter_xxx_0, 0))
self.connect((self.dvbs_puncture_bb_0, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.dvbs_randomizer_bb_0, 0),
(self.dvbs_reed_solomon_enc_bb_0, 0))
self.connect((self.dvbs_reed_solomon_enc_bb_0, 0),
(self.dvbs_interleaver_bb_0, 0))
self.connect((self.fft_filter_xxx_0, 0), (self.pluto_sink_0, 0))
self.connect((self.fft_filter_xxx_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.trellis_encoder_xx_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Dvbs Tx")
##################################################
# Variables
##################################################
self.symbol_rate = symbol_rate = 4500000
self.samp_rate = samp_rate = symbol_rate * 2
self.rrc_taps = rrc_taps = 20
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=435000000,
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=True,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.trellis_encoder_xx_0 = trellis.encoder_bb(trellis.fsm(1, 2, (0171, 0133)), 0)
self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + "" )
self.osmosdr_sink_0.set_sample_rate(samp_rate)
self.osmosdr_sink_0.set_center_freq(435e6, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(2, 0)
self.osmosdr_sink_0.set_if_gain(0, 0)
self.osmosdr_sink_0.set_bb_gain(-4, 0)
self.osmosdr_sink_0.set_antenna("", 0)
self.osmosdr_sink_0.set_bandwidth(6000000, 0)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_ccc(2, (firdes.root_raised_cosine(1.79, samp_rate, samp_rate/2, 0.35, rrc_taps)))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.dvbs_reed_solomon_enc_bb_0 = dvbs.reed_solomon_enc_bb()
self.dvbs_randomizer_bb_0 = dvbs.randomizer_bb()
self.dvbs_puncture_bb_0 = dvbs.puncture_bb(dvbs.C1_2)
self.dvbs_interleaver_bb_0 = dvbs.interleaver_bb()
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(([complex(0.70710678,0.70710678), complex(0.70710678,-0.70710678), complex(-0.70710678,0.70710678), complex(-0.70710678,-0.70710678)]), 1)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(2)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/re/xfer/adv.ts", False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.dvbs_randomizer_bb_0, 0))
self.connect((self.dvbs_randomizer_bb_0, 0), (self.dvbs_reed_solomon_enc_bb_0, 0))
self.connect((self.dvbs_reed_solomon_enc_bb_0, 0), (self.dvbs_interleaver_bb_0, 0))
self.connect((self.dvbs_interleaver_bb_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.trellis_encoder_xx_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0), (self.osmosdr_sink_0, 0))
self.connect((self.trellis_encoder_xx_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.dvbs_puncture_bb_0, 0))
self.connect((self.dvbs_puncture_bb_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.interp_fir_filter_xxx_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: dvbs-blade.py input_file [output_file]\n")
sys.exit(1)
symbol_rate = 4500000
samp_rate = symbol_rate * 2
code_rate = dvbs.C1_2
rrc_taps = 20
center_freq = 435000000
txvga1_gain = -4
txvga2_gain = 1
bandwidth = 6000000
tb = gr.top_block()
src = blocks.file_source(gr.sizeof_char, infile, True)
dvbs_randomizer = dvbs.randomizer_bb()
dvbs_reed_solomon_enc = dvbs.reed_solomon_enc_bb()
dvbs_interleaver = dvbs.interleaver_bb()
blocks_packed_to_unpacked = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
trellis_encoder = trellis.encoder_bb(trellis.fsm(1, 2, (0171, 0133)), 0)
blocks_unpack_k_bits = blocks.unpack_k_bits_bb(2)
dvbs_puncture = dvbs.puncture_bb(code_rate)
blocks_pack_k_bits = blocks.pack_k_bits_bb(2)
dvbs_modulator = dvbs.modulator_bc()
fft_filter = filter.fft_filter_ccc(
1, (firdes.root_raised_cosine(1.79, samp_rate, samp_rate / 2, 0.35, rrc_taps)), 1
)
fft_filter.declare_sample_delay(0)
out = osmosdr.sink(args="bladerf=0,buffers=128,buflen=32768")
out.set_sample_rate(samp_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, dvbs_randomizer)
tb.connect(dvbs_randomizer, dvbs_reed_solomon_enc)
tb.connect(dvbs_reed_solomon_enc, dvbs_interleaver)
tb.connect(dvbs_interleaver, blocks_packed_to_unpacked)
tb.connect(blocks_packed_to_unpacked, trellis_encoder)
tb.connect(trellis_encoder, blocks_unpack_k_bits)
tb.connect(blocks_unpack_k_bits, dvbs_puncture)
tb.connect(dvbs_puncture, blocks_pack_k_bits)
tb.connect(blocks_pack_k_bits, dvbs_modulator)
tb.connect(dvbs_modulator, fft_filter)
tb.connect(fft_filter, out)
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(fft_filter, dst)
tb.run()