def __init__(self):
gr.top_block.__init__(self, "Dvbt Tx")
##################################################
# Variables
##################################################
self._bandwidth_config = ConfigParser.ConfigParser()
self._bandwidth_config.read('./dvbt.conf')
try:
bandwidth = self._bandwidth_config.getint('dvbt', 'bandwidth')
except:
bandwidth = 8000000
self.bandwidth = bandwidth
self.samp_rate = samp_rate = (bandwidth / 7) * 8
self._rf_gain_config = ConfigParser.ConfigParser()
self._rf_gain_config.read('./dvbt.conf')
try:
rf_gain = self._rf_gain_config.getint('hackrf', 'rf_gain')
except:
rf_gain = 0
self.rf_gain = rf_gain
self._mode_config = ConfigParser.ConfigParser()
self._mode_config.read('./dvbt.conf')
try:
mode = self._mode_config.get('dvbt', 'mode')
except:
mode = 0
self.mode = mode
self._if_gain_config = ConfigParser.ConfigParser()
self._if_gain_config.read('./dvbt.conf')
try:
if_gain = self._if_gain_config.getint('hackrf', 'if_gain')
except:
if_gain = 0
self.if_gain = if_gain
self._guard_interval_config = ConfigParser.ConfigParser()
self._guard_interval_config.read('./dvbt.conf')
try:
guard_interval = self._guard_interval_config.get(
'dvbt', 'guard_interval')
except:
guard_interval = 0
self.guard_interval = guard_interval
self._frequency_config = ConfigParser.ConfigParser()
self._frequency_config.read('./dvbt.conf')
try:
frequency = self._frequency_config.getint('hackrf', 'frequency')
except:
frequency = 858000000
self.frequency = frequency
self._constellation_config = ConfigParser.ConfigParser()
self._constellation_config.read('./dvbt.conf')
try:
constellation = self._constellation_config.get(
'dvbt', 'constellation')
except:
constellation = 0
self.constellation = constellation
self._coderate_config = ConfigParser.ConfigParser()
self._coderate_config.read('./dvbt.conf')
try:
coderate = self._coderate_config.get('dvbt', 'coderate')
except:
coderate = 0
self.coderate = coderate
infile = str(sys.argv[1])
#Constellation QPSK 16QAM 64QAM
if constellation == "QPSK":
const = dtv.MOD_QPSK
elif constellation == "16QAM":
const = dtv.MOD_16QAM
elif constellation == "64QAM":
const = dtv.MOD_64QAM
else:
sys.stderr.write(
"CONSTELLATION IN CONFIG WRONG! Values: QPSK, 16QAM or 64QAM \n"
)
sys.exit(1)
# Coderate 1/2 2/3 3/4 5/6 7/8
if coderate == "1/2":
codr = dtv.C1_2
elif coderate == "2/3":
codr = dtv.C2_3
elif coderate == "3/4":
codr = dtv.C3_4
elif coderate == "5/6":
codr = dtv.C5_6
elif coderate == "7/8":
codr = dtv.C7_8
else:
sys.stderr.write(
"CODERATE IN CONFIG WRONG! Values: 1/2, 2/3, 3/4, 5/6 or 7/8 \n"
)
sys.exit(1)
if mode == "2k":
factor = 1
carriers = 2048
modus = dtv.T2k
elif mode == "8k":
factor = 4
carriers = 8192
modus = dtv.T8k
else:
sys.stderr.write("MODE IN CONFIG WRONG! Values: 2k or 8k \n")
sys.exit(1)
#guard_interval dtv.GI_1_32 1/4 1/8 1/16 1/32
if guard_interval == "1/4":
guardi = dtv.GI_1_4
gi = carriers / 4
elif guard_interval == "1/8":
guardi = dtv.GI_1_8
gi = carriers / 8
elif guard_interval == "1/16":
guardi = dtv.GI_1_16
gi = carriers / 16
elif guard_interval == "1/32":
guardi = dtv.GI_1_32
gi = carriers / 32
else:
sys.stderr.write(
"GUARD_INTERVAL IN CONFIG WRONG! Values: 1/4, 1/8, 1/16 or 1/32 \n"
)
sys.exit(1)
##################################################
# Blocks
##################################################
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(frequency, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(rf_gain, 0)
self.osmosdr_sink_0.set_if_gain(if_gain, 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(carriers, False,
(window.rectangular(carriers)), True, 1)
self.dtv_dvbt_symbol_inner_interleaver_0 = dtv.dvbt_symbol_inner_interleaver(
(1512 * factor), modus, 1)
self.dtv_dvbt_reference_signals_0 = dtv.dvbt_reference_signals(
gr.sizeof_gr_complex, (1512 * factor), carriers, const, dtv.NH,
codr, codr, guardi, modus, 1, 0)
self.dtv_dvbt_reed_solomon_enc_0 = dtv.dvbt_reed_solomon_enc(
2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
self.dtv_dvbt_map_0 = dtv.dvbt_map((1512 * factor), const, dtv.NH,
modus, 1)
self.dtv_dvbt_inner_coder_0 = dtv.dvbt_inner_coder(
1, (1512 * factor), const, dtv.NH, codr)
self.dtv_dvbt_energy_dispersal_0 = dtv.dvbt_energy_dispersal(1 *
factor)
self.dtv_dvbt_convolutional_interleaver_0 = dtv.dvbt_convolutional_interleaver(
(136 * factor), 12, 17)
self.dtv_dvbt_bit_inner_interleaver_0 = dtv.dvbt_bit_inner_interleaver(
(1512 * factor), const, dtv.NH, modus)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
carriers, carriers + (gi), 0, '')
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
(0.0022097087, ))
if infile == "-":
self.blocks_file_descriptor_source_0 = blocks.file_descriptor_source(
gr.sizeof_char * 1, 0, True)
else:
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1, infile, True)
##################################################
# Connections
##################################################
if infile == "-":
self.connect((self.blocks_file_descriptor_source_0, 0),
(self.dtv_dvbt_energy_dispersal_0, 0))
else:
self.connect((self.blocks_file_source_0, 0),
(self.dtv_dvbt_energy_dispersal_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.osmosdr_sink_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.dtv_dvbt_bit_inner_interleaver_0, 0),
(self.dtv_dvbt_symbol_inner_interleaver_0, 0))
self.connect((self.dtv_dvbt_convolutional_interleaver_0, 0),
(self.dtv_dvbt_inner_coder_0, 0))
self.connect((self.dtv_dvbt_energy_dispersal_0, 0),
(self.dtv_dvbt_reed_solomon_enc_0, 0))
self.connect((self.dtv_dvbt_inner_coder_0, 0),
(self.dtv_dvbt_bit_inner_interleaver_0, 0))
self.connect((self.dtv_dvbt_map_0, 0),
(self.dtv_dvbt_reference_signals_0, 0))
self.connect((self.dtv_dvbt_reed_solomon_enc_0, 0),
(self.dtv_dvbt_convolutional_interleaver_0, 0))
self.connect((self.dtv_dvbt_reference_signals_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.dtv_dvbt_symbol_inner_interleaver_0, 0),
(self.dtv_dvbt_map_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_cyclic_prefixer_0, 0))
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 = dtv.T2k
code_rate = dtv.C1_2
constellation = dtv.MOD_QPSK
guard_interval = dtv.GI_1_32
symbol_rate = channel_mhz * 8000000.0 / 7
center_freq = 441000000
rf_gain = 14
if_gain = 40
if mode == dtv.T2k:
factor = 1
carriers = 2048
elif mode == dtv.T8k:
factor = 4
carriers = 8192
if guard_interval == dtv.GI_1_32:
gi = carriers / 32
elif guard_interval == dtv.GI_1_16:
gi = carriers / 16
elif guard_interval == dtv.GI_1_8:
gi = carriers / 8
elif guard_interval == dtv.GI_1_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 = dtv.dvbt_energy_dispersal(1 * factor)
dvbt_reed_solomon_enc = dtv.dvbt_reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dvbt_convolutional_interleaver = dtv.dvbt_convolutional_interleaver((136 * factor), 12, 17)
dvbt_inner_coder = dtv.dvbt_inner_coder(1, (1512 * factor), constellation, dtv.NH, code_rate)
dvbt_bit_inner_interleaver = dtv.dvbt_bit_inner_interleaver((1512 * factor), constellation, dtv.NH, mode)
dvbt_symbol_inner_interleaver = dtv.dvbt_symbol_inner_interleaver((1512 * factor), mode, 1)
dvbt_map = dtv.dvbt_map((1512 * factor), constellation, dtv.NH, mode, 1)
dvbt_reference_signals = dtv.dvbt_reference_signals(gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dtv.NH, code_rate, code_rate, dtv.GI_1_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()
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_map)
tb.connect(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):
d = 'Transmit a DVB-T signal using the bladeRF and gr-dtv'
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 = dtv.T2k
elif args.mode.lower() == 't8k':
mode = dtv.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 = dtv.MOD_QPSK
elif args.cons.lower() == 'qam16':
constellation = dtv.MOD_16QAM
elif args.cons.lower() == 'qam64':
constellation = dtv.MOD_64QAM
else:
sys.stderr.write('Invalid constellation type: ' + args.cons + '\n')
sys.exit(1)
if args.rate == '1/2':
code_rate = dtv.C1_2
elif args.rate == '2/3':
code_rate = dtv.C2_3
elif args.rate == '3/4':
code_rate = dtv.C3_4
elif args.rate == '5/6':
code_rate = dtv.C5_6
elif args.rate == '7/8':
code_rate = dtv.C7_8
else:
sys.stderr.write('Invalid Viterbi rate: ' + args.rate + '\n')
sys.exit(1)
if args.interval == '1/32':
guard_interval = dtv.GI_1_32
elif args.interval == '1/16':
guard_interval = dtv.GI_1_16
elif args.interval == '1/8':
guard_interval = dtv.GI_1_8
elif args.interval == '1/4':
guard_interval = dtv.GI_1_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 == dtv.T2k:
factor = 1
carriers = 2048
elif mode == dtv.T8k:
factor = 4
carriers = 8192
if guard_interval == dtv.GI_1_32:
gi = carriers / 32
elif guard_interval == dtv.GI_1_16:
gi = carriers / 16
elif guard_interval == dtv.GI_1_8:
gi = carriers / 8
elif guard_interval == dtv.GI_1_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)
dtv_dvbt_energy_dispersal = dtv.dvbt_energy_dispersal(1 * factor)
dtv_dvbt_reed_solomon_enc = dtv.dvbt_reed_solomon_enc(
2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dtv_dvbt_convolutional_interleaver = dtv.dvbt_convolutional_interleaver(
(136 * factor), 12, 17)
dtv_dvbt_inner_coder = dtv.dvbt_inner_coder(1, (1512 * factor),
constellation, dtv.NH,
code_rate)
dtv_dvbt_bit_inner_interleaver = dtv.dvbt_bit_inner_interleaver(
(1512 * factor), constellation, dtv.NH, mode)
dtv_dvbt_symbol_inner_interleaver = dtv.dvbt_symbol_inner_interleaver(
(1512 * factor), mode, 1)
dtv_dvbt_map = dtv.dvbt_map((1512 * factor), constellation, dtv.NH, mode,
1)
dtv_dvbt_reference_signals = dtv.dvbt_reference_signals(
gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dtv.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(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, dtv_dvbt_energy_dispersal)
tb.connect(dtv_dvbt_energy_dispersal, dtv_dvbt_reed_solomon_enc)
tb.connect(dtv_dvbt_reed_solomon_enc, dtv_dvbt_convolutional_interleaver)
tb.connect(dtv_dvbt_convolutional_interleaver, dtv_dvbt_inner_coder)
tb.connect(dtv_dvbt_inner_coder, dtv_dvbt_bit_inner_interleaver)
tb.connect(dtv_dvbt_bit_inner_interleaver,
dtv_dvbt_symbol_inner_interleaver)
tb.connect(dtv_dvbt_symbol_inner_interleaver, dtv_dvbt_map)
tb.connect(dtv_dvbt_map, dtv_dvbt_reference_signals)
tb.connect(dtv_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):
d = 'Transmit a DVB-T signal using the bladeRF and gr-dtv'
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 = dtv.T2k
elif args.mode.lower() == 't8k':
mode = dtv.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 = dtv.MOD_QPSK
elif args.cons.lower() == 'qam16':
constellation = dtv.MOD_16QAM
elif args.cons.lower() == 'qam64':
constellation = dtv.MOD_64QAM
else:
sys.stderr.write('Invalid constellation type: ' + args.cons + '\n')
sys.exit(1)
if args.rate == '1/2':
code_rate = dtv.C1_2
elif args.rate == '2/3':
code_rate = dtv.C2_3
elif args.rate == '3/4':
code_rate = dtv.C3_4
elif args.rate == '5/6':
code_rate = dtv.C5_6
elif args.rate == '7/8':
code_rate = dtv.C7_8
else:
sys.stderr.write('Invalid Viterbi rate: ' + args.rate + '\n')
sys.exit(1)
if args.interval == '1/32':
guard_interval = dtv.GI_1_32
elif args.interval == '1/16':
guard_interval = dtv.GI_1_16
elif args.interval == '1/8':
guard_interval = dtv.GI_1_8
elif args.interval == '1/4':
guard_interval = dtv.GI_1_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 == dtv.T2k:
factor = 1
carriers = 2048
elif mode == dtv.T8k:
factor = 4
carriers = 8192
if guard_interval == dtv.GI_1_32:
gi = carriers / 32
elif guard_interval == dtv.GI_1_16:
gi = carriers / 16
elif guard_interval == dtv.GI_1_8:
gi = carriers / 8
elif guard_interval == dtv.GI_1_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)
dtv_dvbt_energy_dispersal = dtv.dvbt_energy_dispersal(1 * factor)
dtv_dvbt_reed_solomon_enc = dtv.dvbt_reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, (8 * factor))
dtv_dvbt_convolutional_interleaver = dtv.dvbt_convolutional_interleaver((136 * factor), 12, 17)
dtv_dvbt_inner_coder = dtv.dvbt_inner_coder(1, (1512 * factor), constellation, dtv.NH, code_rate)
dtv_dvbt_bit_inner_interleaver = dtv.dvbt_bit_inner_interleaver((1512 * factor), constellation, dtv.NH, mode)
dtv_dvbt_symbol_inner_interleaver = dtv.dvbt_symbol_inner_interleaver((1512 * factor), mode, 1)
dtv_dvbt_map = dtv.dvbt_map((1512 * factor), constellation, dtv.NH, mode, 1)
dtv_dvbt_reference_signals = dtv.dvbt_reference_signals(gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dtv.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(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, dtv_dvbt_energy_dispersal)
tb.connect(dtv_dvbt_energy_dispersal, dtv_dvbt_reed_solomon_enc)
tb.connect(dtv_dvbt_reed_solomon_enc, dtv_dvbt_convolutional_interleaver)
tb.connect(dtv_dvbt_convolutional_interleaver, dtv_dvbt_inner_coder)
tb.connect(dtv_dvbt_inner_coder, dtv_dvbt_bit_inner_interleaver)
tb.connect(dtv_dvbt_bit_inner_interleaver, dtv_dvbt_symbol_inner_interleaver)
tb.connect(dtv_dvbt_symbol_inner_interleaver, dtv_dvbt_map)
tb.connect(dtv_dvbt_map, dtv_dvbt_reference_signals)
tb.connect(dtv_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 Tx")
Qt.QWidget.__init__(self)
self.setWindowTitle("Dvbt Tx")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "dvbt_tx")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.vga2_gain = vga2_gain = 10
self.vga1_gain = vga1_gain = -8
self.tx_gain = tx_gain = 50
self.samp_rate = samp_rate = (8000000.0 * 8) / 7
self.center_freq = center_freq = 429e6
##################################################
# Blocks
##################################################
self._vga2_gain_range = Range(0, 25, 1, 10, 200)
self._vga2_gain_win = RangeWidget(self._vga2_gain_range,
self.set_vga2_gain, "vga2_gain",
"counter_slider", int)
self.top_layout.addWidget(self._vga2_gain_win)
self._vga1_gain_range = Range(-35, -4, 1, -8, 200)
self._vga1_gain_win = RangeWidget(self._vga1_gain_range,
self.set_vga1_gain, "vga1_gain",
"counter_slider", int)
self.top_layout.addWidget(self._vga1_gain_win)
self._tx_gain_range = Range(0, 89, 1, 50, 200)
self._tx_gain_win = RangeWidget(self._tx_gain_range, self.set_tx_gain,
"tx_gain", "counter_slider", float)
self.top_layout.addWidget(self._tx_gain_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0.enable_autoscale(False)
self.qtgui_const_sink_x_0.enable_grid(False)
self.qtgui_const_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "red", "red", "red", "red", "red", "red", "red",
"red"
]
styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_0_win)
self.osmosdr_sink_0 = osmosdr.sink(args="numchan=" + str(1) + " " +
'hackrf=0,buffers=128,buflen=32768')
self.osmosdr_sink_0.set_sample_rate(samp_rate)
self.osmosdr_sink_0.set_center_freq(center_freq, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(vga2_gain, 0)
self.osmosdr_sink_0.set_if_gain(0, 0)
self.osmosdr_sink_0.set_bb_gain(vga1_gain, 0)
self.osmosdr_sink_0.set_antenna('', 0)
self.osmosdr_sink_0.set_bandwidth(8750000, 0)
self.fft_vxx_0 = fft.fft_vcc(8192, False, (window.rectangular(8192)),
True, 1)
self.dtv_dvbt_symbol_inner_interleaver_0 = dtv.dvbt_symbol_inner_interleaver(
6048, dtv.T8k, 1)
self.dtv_dvbt_reference_signals_0 = dtv.dvbt_reference_signals(
gr.sizeof_gr_complex, 6048, 8192, dtv.MOD_64QAM, dtv.NH, dtv.C2_3,
dtv.C2_3, dtv.GI_1_32, dtv.T8k, 1, 0)
self.dtv_dvbt_reed_solomon_enc_0 = dtv.dvbt_reed_solomon_enc(
2, 8, 0x11d, 255, 239, 8, 51, 8)
self.dtv_dvbt_map_0 = dtv.dvbt_map(6048, dtv.MOD_64QAM, dtv.NH,
dtv.T8k, 1)
self.dtv_dvbt_inner_coder_0 = dtv.dvbt_inner_coder(
1, 6048, dtv.MOD_64QAM, dtv.NH, dtv.C2_3)
self.dtv_dvbt_energy_dispersal_0 = dtv.dvbt_energy_dispersal(1)
self.dtv_dvbt_convolutional_interleaver_0 = dtv.dvbt_convolutional_interleaver(
136, 12, 17)
self.dtv_dvbt_bit_inner_interleaver_0 = dtv.dvbt_bit_inner_interleaver(
6048, dtv.MOD_64QAM, dtv.NH, dtv.T8k)
self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(
8192, 8192 + 256, 0, '')
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(
gr.sizeof_gr_complex * 1, 8192)
self.blocks_multiply_const_xx_0 = blocks.multiply_const_cc(
0.0022097087)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1,
'C:\\Users\\hamin\\Desktop\\Fall2020\\CSE310\\CSE310_FinalProject\\dmb\\honne2.ts',
True)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0),
(self.dtv_dvbt_energy_dispersal_0, 0))
self.connect((self.blocks_multiply_const_xx_0, 0),
(self.osmosdr_sink_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0),
(self.blocks_multiply_const_xx_0, 0))
self.connect((self.dtv_dvbt_bit_inner_interleaver_0, 0),
(self.dtv_dvbt_symbol_inner_interleaver_0, 0))
self.connect((self.dtv_dvbt_convolutional_interleaver_0, 0),
(self.dtv_dvbt_inner_coder_0, 0))
self.connect((self.dtv_dvbt_energy_dispersal_0, 0),
(self.dtv_dvbt_reed_solomon_enc_0, 0))
self.connect((self.dtv_dvbt_inner_coder_0, 0),
(self.dtv_dvbt_bit_inner_interleaver_0, 0))
self.connect((self.dtv_dvbt_map_0, 0),
(self.dtv_dvbt_reference_signals_0, 0))
self.connect((self.dtv_dvbt_reed_solomon_enc_0, 0),
(self.dtv_dvbt_convolutional_interleaver_0, 0))
self.connect((self.dtv_dvbt_reference_signals_0, 0),
(self.blocks_vector_to_stream_0, 0))
self.connect((self.dtv_dvbt_reference_signals_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.dtv_dvbt_symbol_inner_interleaver_0, 0),
(self.dtv_dvbt_map_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.digital_ofdm_cyclic_prefixer_0, 0))
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 = dtv.T2k
code_rate = dtv.C1_2
constellation = dtv.MOD_QPSK
guard_interval = dtv.GI_1_32
symbol_rate = channel_mhz * 8000000.0 / 7
center_freq = 441000000
rf_gain = 14
if_gain = 40
if mode == dtv.T2k:
factor = 1
carriers = 2048
elif mode == dtv.T8k:
factor = 4
carriers = 8192
if guard_interval == dtv.GI_1_32:
gi = carriers / 32
elif guard_interval == dtv.GI_1_16:
gi = carriers / 16
elif guard_interval == dtv.GI_1_8:
gi = carriers / 8
elif guard_interval == dtv.GI_1_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 = dtv.dvbt_energy_dispersal(1 * factor)
dvbt_reed_solomon_enc = dtv.dvbt_reed_solomon_enc(2, 8, 0x11d, 255, 239, 8,
51, (8 * factor))
dvbt_convolutional_interleaver = dtv.dvbt_convolutional_interleaver(
(136 * factor), 12, 17)
dvbt_inner_coder = dtv.dvbt_inner_coder(1, (1512 * factor), constellation,
dtv.NH, code_rate)
dvbt_bit_inner_interleaver = dtv.dvbt_bit_inner_interleaver(
(1512 * factor), constellation, dtv.NH, mode)
dvbt_symbol_inner_interleaver = dtv.dvbt_symbol_inner_interleaver(
(1512 * factor), mode, 1)
dvbt_map = dtv.dvbt_map((1512 * factor), constellation, dtv.NH, mode, 1)
dvbt_reference_signals = dtv.dvbt_reference_signals(
gr.sizeof_gr_complex, (1512 * factor), carriers, constellation, dtv.NH,
code_rate, code_rate, dtv.GI_1_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()
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_map)
tb.connect(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 Tx Demo")
Qt.QWidget.__init__(self)
self.setWindowTitle("Dvbt Tx Demo")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "dvbt_tx_demo")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = (8000000.0 * 8) / 7
##################################################
# Blocks
##################################################
self.qtgui_waterfall_sink_x_1 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
1269000000, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_1.set_update_time(0.10)
self.qtgui_waterfall_sink_x_1.enable_grid(False)
if not True:
self.qtgui_waterfall_sink_x_1.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_1.set_plot_pos_half(not True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
colors = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_1.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_1.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_1.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_1.set_intensity_range(-140, 10)
self._qtgui_waterfall_sink_x_1_win = sip.wrapinstance(self.qtgui_waterfall_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_waterfall_sink_x_1_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
1269000000, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label("Relative Gain", "dB")
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "dark blue"]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
self.qtgui_const_sink_x_0.enable_autoscale(False)
self.qtgui_const_sink_x_0.enable_grid(False)
if not True:
self.qtgui_const_sink_x_0.disable_legend()
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "red", "red", "red",
"red", "red", "red", "red", "red"]
styles = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0,
0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_0_win)
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(1269000000, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(14, 0)
self.osmosdr_sink_0.set_if_gain(30, 0)
self.osmosdr_sink_0.set_bb_gain(20, 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, 1)
self.dtv_dvbt_symbol_inner_interleaver_0 = dtv.dvbt_symbol_inner_interleaver(1512, dtv.T2k, 1)
self.dtv_dvbt_reference_signals_0 = dtv.dvbt_reference_signals(gr.sizeof_gr_complex, 1512, 2048, dtv.MOD_64QAM, dtv.NH, dtv.C2_3, dtv.C2_3, dtv.GI_1_32, dtv.T2k, 1, 0)
self.dtv_dvbt_reed_solomon_enc_0 = dtv.dvbt_reed_solomon_enc(2, 8, 0x11d, 255, 239, 8, 51, 8)
self.dtv_dvbt_map_0 = dtv.dvbt_map(1512, dtv.MOD_64QAM, dtv.NH, dtv.T2k, 1)
self.dtv_dvbt_inner_coder_0 = dtv.dvbt_inner_coder(1, 1512, dtv.MOD_64QAM, dtv.NH, dtv.C2_3)
self.dtv_dvbt_energy_dispersal_0 = dtv.dvbt_energy_dispersal(1)
self.dtv_dvbt_convolutional_interleaver_0 = dtv.dvbt_convolutional_interleaver(136, 12, 17)
self.dtv_dvbt_bit_inner_interleaver_0 = dtv.dvbt_bit_inner_interleaver(1512, dtv.MOD_64QAM, dtv.NH, dtv.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, "/Volumes/work/satellite_ground_emulator/DVB_S2/run/shm/adv16apsk910.ts", True)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.dtv_dvbt_energy_dispersal_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.osmosdr_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_waterfall_sink_x_1, 0))
self.connect((self.blocks_vector_to_stream_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.dtv_dvbt_bit_inner_interleaver_0, 0), (self.dtv_dvbt_symbol_inner_interleaver_0, 0))
self.connect((self.dtv_dvbt_convolutional_interleaver_0, 0), (self.dtv_dvbt_inner_coder_0, 0))
self.connect((self.dtv_dvbt_energy_dispersal_0, 0), (self.dtv_dvbt_reed_solomon_enc_0, 0))
self.connect((self.dtv_dvbt_inner_coder_0, 0), (self.dtv_dvbt_bit_inner_interleaver_0, 0))
self.connect((self.dtv_dvbt_map_0, 0), (self.dtv_dvbt_reference_signals_0, 0))
self.connect((self.dtv_dvbt_reed_solomon_enc_0, 0), (self.dtv_dvbt_convolutional_interleaver_0, 0))
self.connect((self.dtv_dvbt_reference_signals_0, 0), (self.blocks_vector_to_stream_0, 0))
self.connect((self.dtv_dvbt_reference_signals_0, 0), (self.fft_vxx_0, 0))
self.connect((self.dtv_dvbt_symbol_inner_interleaver_0, 0), (self.dtv_dvbt_map_0, 0))
self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))