def __init__(self, puncpat='11'):
gr.top_block.__init__(self, "Eve Dec")
##################################################
# Parameters
##################################################
self.puncpat = puncpat
##################################################
# Variables
##################################################
self.H_dec = H_dec = fec.ldpc_H_matrix('/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist', 24)
self.samp_rate = samp_rate = 10000000
self.punc_size = punc_size = 17
self.punc_pattern = punc_pattern = 131070
self.pld_dec = pld_dec = map((lambda a: fec.ldpc_bit_flip_decoder.make(H_dec.get_base_sptr(), 20)), range(0,16))
self.header = header = [0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0]
self.erro = erro = 65
##################################################
# Blocks
##################################################
self.scrambler_cpp_additive_descrambler_0 = scrambler_cpp.additive_descrambler(0x8A, 0x7F, 7, 440-8)
self.puncture64_cpp_depuncture64_0 = puncture64_cpp.depuncture64(punc_size, punc_pattern, 127)
self.fec_extended_decoder_0_0_1_0_1_0_0 = fec.extended_decoder(decoder_obj_list=pld_dec, threading='capillary', ann=None, puncpat=puncpat, integration_period=10000)
self.digital_map_bb_0_0_0_0_0_0 = digital.map_bb(([-1, 1]))
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
self.blocks_repack_bits_bb_0_0_0_1_0_0 = blocks.repack_bits_bb(8, 1, '', False, gr.GR_MSB_FIRST)
self.blocks_repack_bits_bb_0_0_0_1_0 = blocks.repack_bits_bb(1, 8, '', False, gr.GR_MSB_FIRST)
self.blocks_keep_m_in_n_0_1_1_0 = blocks.keep_m_in_n(gr.sizeof_char, 440, 442, 0)
self.blocks_keep_m_in_n_0_0_2_0_0 = blocks.keep_m_in_n(gr.sizeof_char, 1100, 1105, 0)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/andre/ELI/'+num+'/EVE_54_8000_BRUTO.txt', False)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
self.blocks_file_sink_0_0_0_0_2 = blocks.file_sink(gr.sizeof_char*1, '/home/andre/ELI/'+num+'/EVE_54_8000.txt', False)
self.blocks_file_sink_0_0_0_0_2.set_unbuffered(True)
self.blocks_char_to_float_0_2_0_0_0 = blocks.char_to_float(1, 1)
##################################################
# Connections
##################################################
self.connect((self.blocks_char_to_float_0_2_0_0_0, 0), (self.fec_extended_decoder_0_0_1_0_1_0_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.blocks_repack_bits_bb_0_0_0_1_0_0, 0))
self.connect((self.blocks_keep_m_in_n_0_0_2_0_0, 0), (self.digital_map_bb_0_0_0_0_0_0, 0))
self.connect((self.blocks_keep_m_in_n_0_1_1_0, 0), (self.scrambler_cpp_additive_descrambler_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0), (self.blocks_file_sink_0_0_0_0_2, 0))
self.connect((self.blocks_repack_bits_bb_0_0_0_1_0_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.puncture64_cpp_depuncture64_0, 0))
self.connect((self.digital_map_bb_0_0_0_0_0_0, 0), (self.blocks_char_to_float_0_2_0_0_0, 0))
self.connect((self.fec_extended_decoder_0_0_1_0_1_0_0, 0), (self.blocks_keep_m_in_n_0_1_1_0, 0))
self.connect((self.puncture64_cpp_depuncture64_0, 0), (self.blocks_keep_m_in_n_0_0_2_0_0, 0))
self.connect((self.scrambler_cpp_additive_descrambler_0, 0), (self.blocks_repack_bits_bb_0_0_0_1_0, 0))
def __init__(self, puncpat='11'):
gr.top_block.__init__(self, "Tutorial")
Qt.QWidget.__init__(self)
self.setWindowTitle("Tutorial")
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", "tutorial_7_LDPC")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.puncpat = puncpat
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.eb = eb = 0.22
self.H_dec = H_dec = fec.ldpc_H_matrix(
'/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist',
24)
self.H = H = fec.ldpc_H_matrix(
'/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist',
24)
self.tx_rrc_taps = tx_rrc_taps = firdes.root_raised_cosine(
nfilts, nfilts, 1.0, eb, 11 * sps * nfilts)
self.samp_rate = samp_rate = 3000000
self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine(
nfilts, nfilts * sps, 1.0, eb, 11 * sps * nfilts)
self.punc_size = punc_size = 63
self.punc_replace = punc_replace = 127
self.punc_pattern = punc_pattern = 18446744073709551615
self.pld_enc = pld_enc = map(
(lambda a: fec.ldpc_par_mtrx_encoder_make_H(H)), range(0, 4))
self.pld_dec = pld_dec = map((lambda a: fec.ldpc_bit_flip_decoder.make(
H_dec.get_base_sptr(), 10)), range(0, 8))
self.pld_const = pld_const = digital.constellation_rect(([
0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j
]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
self.pld_const.gen_soft_dec_lut(8)
##################################################
# Blocks
##################################################
self.puncture64_cpp_puncture64_1 = puncture64_cpp.puncture64(
punc_size, punc_pattern)
self.puncture64_cpp_depuncture64_0 = puncture64_cpp.depuncture64(
punc_size, punc_pattern, 127)
self.blocks_repack_bits_bb_1_0_0_1 = blocks.repack_bits_bb(
8, 1, '', False, gr.GR_MSB_FIRST)
self.blocks_file_source_0_0_1_0_0_1 = blocks.file_source(
gr.sizeof_char * 1,
'/home/andre/Desktop/Files_To_Transmit/sequence55bytes_abc.txt',
False)
self.blocks_file_source_0_0_1_0_0_1.set_begin_tag(pmt.PMT_NIL)
self.blocks_file_sink_2_0_0 = blocks.file_sink(
gr.sizeof_char * 1,
'/home/andre/Desktop/Trasmited/seq_unpacked_depunc.txt', False)
self.blocks_file_sink_2_0_0.set_unbuffered(False)
self.blocks_file_sink_2_0 = blocks.file_sink(
gr.sizeof_char * 1,
'/home/andre/Desktop/Trasmited/seq_unpacked_punc.txt', False)
self.blocks_file_sink_2_0.set_unbuffered(False)
self.blocks_file_sink_2 = blocks.file_sink(
gr.sizeof_char * 1,
'/home/andre/Desktop/Trasmited/seq_unpacked.txt', False)
self.blocks_file_sink_2.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0_0_1_0_0_1, 0),
(self.blocks_repack_bits_bb_1_0_0_1, 0))
self.connect((self.blocks_repack_bits_bb_1_0_0_1, 0),
(self.blocks_file_sink_2, 0))
self.connect((self.blocks_repack_bits_bb_1_0_0_1, 0),
(self.puncture64_cpp_puncture64_1, 0))
self.connect((self.puncture64_cpp_depuncture64_0, 0),
(self.blocks_file_sink_2_0_0, 0))
self.connect((self.puncture64_cpp_puncture64_1, 0),
(self.blocks_file_sink_2_0, 0))
self.connect((self.puncture64_cpp_puncture64_1, 0),
(self.puncture64_cpp_depuncture64_0, 0))