def set_occupied_carriers(self, occupied_carriers): self.occupied_carriers = occupied_carriers self.set_hdr_format( digital.header_format_ofdm( self.occupied_carriers, 1, self.length_tag_key, )) self.set_header_equalizer( digital.ofdm_equalizer_simpledfe(self.fft_len, header_mod.base(), self.occupied_carriers, self.pilot_carriers, self.pilot_symbols)) self.set_header_formatter( digital.packet_header_ofdm( self.occupied_carriers, n_syms=1, len_tag_key=self.packet_length_tag_key, frame_len_tag_key=self.length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False)) self.set_payload_equalizer( digital.ofdm_equalizer_simpledfe(self.fft_len, payload_mod.base(), self.occupied_carriers, self.pilot_carriers, self.pilot_symbols, 1))
def create_header_blocks(self): hdr_format = digital.header_format_ofdm(self.occupied_carriers, 1, self.len_tag_key) self.protocol_formatter = digital.protocol_formatter_bb(hdr_format, self.len_tag_key) self.repack_bits_hdr = blocks.repack_bits_bb(8, self.header_const.bits_per_symbol(), self.len_tag_key, True, gr.GR_LSB_FIRST) self.hdr_modulation = digital.chunks_to_symbols_bc(self.header_const.points(), 1)
def set_occupied_carriers(self, occupied_carriers): self.occupied_carriers = occupied_carriers self.set_hdr_format( digital.header_format_ofdm( self.occupied_carriers, 1, self.length_tag_key, ))
def set_length_tag_key(self, length_tag_key): self.length_tag_key = length_tag_key self.set_hdr_format( digital.header_format_ofdm( self.occupied_carriers, 1, self.length_tag_key, ))
def create_header_blocks(self): hdr_format = digital.header_format_ofdm(self.occupied_carriers, 1, self.len_tag_key) self.protocol_formatter = digital.protocol_formatter_bb( hdr_format, self.len_tag_key) self.repack_bits_hdr = blocks.repack_bits_bb( 8, self.header_const.bits_per_symbol(), self.len_tag_key, True, gr.GR_LSB_FIRST) self.hdr_modulation = digital.chunks_to_symbols_bc( self.header_const.points(), 1)
def __init__(self, length_tag_key="package_size", mod_encabezado=digital.constellation_bpsk(), occupied_carriers=(range(-27, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 28), ), package_size=96): gr.hier_block2.__init__( self, "HeaderModulator", gr.io_signature(1, 1, gr.sizeof_char * 1), gr.io_signature(1, 1, gr.sizeof_gr_complex * 1), ) ################################################## # Parameters ################################################## self.length_tag_key = length_tag_key self.mod_encabezado = mod_encabezado self.occupied_carriers = occupied_carriers self.package_size = package_size ################################################## # Variables ################################################## self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) ################################################## # Blocks ################################################## self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, length_tag_key) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( (mod_encabezado.points()), 1) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, package_size, length_tag_key) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) ################################################## # Connections ################################################## self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self, 0), (self.blocks_stream_to_tagged_stream_0, 0))
def set_length_tag_key(self, length_tag_key): self.length_tag_key = length_tag_key self.set_hdr_format( digital.header_format_ofdm( self.occupied_carriers, 1, self.length_tag_key, )) self.set_header_formatter( digital.packet_header_ofdm( self.occupied_carriers, n_syms=1, len_tag_key=self.packet_length_tag_key, frame_len_tag_key=self.length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False))
def __init__(self): gr.top_block.__init__(self, "OFDM Tx") ################################################## # Variables ################################################## self.occupied_carriers = occupied_carriers = ( range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27), ) self.length_tag_key = length_tag_key = "packet_len" self.sync_word2 = sync_word2 = [ 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0 ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.samp_rate = samp_rate = 1000000 self.rolloff = rolloff = 0 self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_len = packet_len = 96 self.header_mod = header_mod = digital.constellation_bpsk() self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) self.fft_len = fft_len = 64 self.band_width = band_width = 20000000 ################################################## # Blocks ################################################## self.pluto_sink_0 = iio.pluto_sink('193.168.2.1', 500000000, samp_rate, band_width, 0x8000, False, 10.0, '', True) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, length_tag_key) self.digital_ofdm_rx_0 = digital.ofdm_rx( fft_len=fft_len, cp_len=fft_len / 4, frame_length_tag_key='frame_' + "length", packet_length_tag_key="length", occupied_carriers=occupied_carriers, pilot_carriers=pilot_carriers, pilot_symbols=pilot_symbols, sync_word1=sync_word1, sync_word2=sync_word2, bps_header=1, bps_payload=2, debug_log=False, scramble_bits=False) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len / 4, rolloff, length_tag_key) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key) self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( (payload_mod.points()), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( (header_mod.points()), 1) self.channels_channel_model_0 = channels.channel_model( noise_voltage=0.0, frequency_offset=0.0, epsilon=1.0, taps=(1.0 + 1.0j, ), noise_seed=0, block_tags=True) self.blocks_udp_source_0 = blocks.udp_source(gr.sizeof_char * 1, '0.0.0.0', 1234, 1472, True) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, length_tag_key, 0) self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False) self.blocks_tag_gate_0.set_single_key("") self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char * 1, "Rx'd Packets", "") self.blocks_tag_debug_0.set_display(True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.05, )) ################################################## # Connections ################################################## self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_tag_gate_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.pluto_sink_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.blocks_udp_source_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.digital_ofdm_rx_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
def __init__(self, doc, ip="127.0.0.1"): gr.top_block.__init__(self, "RL Mod training") self.doc = doc self.plot_lst = [] self.widget_lst = [] ################################################## # Parameters ################################################## self.ip = ip ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),) self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),) self.packet_length_tag_key = packet_length_tag_key = "packet_length" self.occupied_carriers = occupied_carriers = (list(range(-22, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 23)),) self.length_tag_key_0 = length_tag_key_0 = "frame_len" self.length_tag_key = length_tag_key = "packet_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.bits_per_symbol = bits_per_symbol = 4 self.variable_0 = variable_0 = len(occupied_carriers[0]) self.tx_lr = tx_lr = -3 self.tx_explo = tx_explo = 0.15 self.training_mod = training_mod = 1 self.timestamp = timestamp = '1' self.t_state = t_state = 1 self.sync_word2 = sync_word2 = [0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0] self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.] self.samp_rate = samp_rate = 0.3e6 self.rolloff = rolloff = 0 self.puncpat = puncpat = '11' self.payload_mod = payload_mod = digital.qam_constellation(constellation_points=2**bits_per_symbol) self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_static(fft_len, occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len = packet_len = 400 self.ldpc_enc = ldpc_enc = fec.ldpc_encoder_make(gr.prefix() + "/share/gnuradio/fec/ldpc/" + "n_0100_k_0042_gap_02.alist") self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key_0, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=8, scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.hdr_format = hdr_format = digital.header_format_ofdm(occupied_carriers, 1, length_tag_key,) self.gain = gain = 10 self.freq = freq = 900e6 self.bits_per_symbol_0 = bits_per_symbol_0 = len(occupied_carriers[0]) ################################################## # Blocks ################################################## self.tx_lr_slider = bokehgui.slider(self.widget_lst, 'TX Learning rate (log)' +":", -5, 0, 0.1, 1, -3) self.tx_lr_slider.add_callback(lambda attr, old, new: self.set_tx_lr(new)) self.tx_explo_slider = bokehgui.slider(self.widget_lst, 'TX Exploration noise' +":", 0.001, 0.5, 0.001, 1, 0.15) self.tx_explo_slider.add_callback(lambda attr, old, new: self.set_tx_explo(new)) self.training_mod_textbox = bokehgui.textbox(self.widget_lst, str(1), 'Alternate training every' +": ") self.training_mod_textbox.add_callback( lambda attr, old, new: self.set_training_mod(int(new))) self._t_state_options = [ 1, 0, ] self._t_state_labels = [ 'On', 'Off', ] self.t_state_radiobutton = bokehgui.radiobutton(self.widget_lst, None, self._t_state_labels, inline = True) self.t_state_radiobutton.add_callback( lambda new: self.set_t_state(int(self._t_state_options[new]))) self.gain_slider = bokehgui.slider(self.widget_lst, 'Amplitude' +":", 0, 90, 0.5, 1, 10) self.gain_slider.add_callback(lambda attr, old, new: self.set_gain(new)) self.zeromq_sub_msg_source_0_1 = zeromq.sub_msg_source("tcp://"+ip+":50002", 100) self.zeromq_pub_msg_sink_0_0 = zeromq.pub_msg_sink('tcp://*:50001', 100) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0,1)), ), length_tag_key, ) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0.set_center_freq(freq, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0.set_gain(gain, 0) self.timestamp_textbox = bokehgui.textbox(self.widget_lst, str('1'), 'Load timestamp' +": ") self.timestamp_textbox.add_callback( lambda attr, old, new: self.set_timestamp(str(new))) self.learning_tag_numerotation_0 = learning.tag_numerotation('packet_num', packet_len, 4096, "bb") self.learning_rl_mod_0 = learning.rl_mod('packet_num', bits_per_symbol, packet_len, 1, training_mod, 10**tx_lr , tx_explo, t_state , '/home/cyrille/Gnu-Radio/modules/gr-learning/examples/saved_models') self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (), True, 1) self.fec_extended_encoder_1_0_0 = fec.extended_encoder(encoder_obj_list=ldpc_enc, threading= None, puncpat=puncpat) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(hdr_format, length_tag_key) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len//4, rolloff, length_tag_key) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key, True) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(header_mod.points(), 1) self.bokehgui_time_const_x_0 = bokehgui.time_sink_c_proc(1024, samp_rate, "Transmitted noiseless constellation", 1) self.bokehgui_time_const_x_0_plot = bokehgui.const_sink_c(self.doc, self.plot_lst, self.bokehgui_time_const_x_0, is_message = False) labels = ['', '', '', '', '', '', '', '', '', ''] legend_list = [] for i in range( 1 ): if len(labels[i]) == 0: if(i % 2 == 0): legend_list.append("Re{{Data {0}}}".format(i/2)) else: legend_list.append("Im{{Data {0}}}".format(i/2)) else: legend_list.append(labels[i]) self.bokehgui_time_const_x_0_plot.initialize(update_time = 500, legend_list = legend_list) self.bokehgui_time_const_x_0_plot.set_y_axis([-2, 2]) self.bokehgui_time_const_x_0_plot.set_y_label('Q Channel' + '(' +""+')') self.bokehgui_time_const_x_0_plot.set_x_label('I Channel' + '(' +""+')') self.bokehgui_time_const_x_0_plot.enable_tags(-1, False) self.bokehgui_time_const_x_0_plot.set_trigger_mode(bokehgui.TRIG_MODE_FREE, bokehgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.bokehgui_time_const_x_0_plot.enable_grid(False) self.bokehgui_time_const_x_0_plot.enable_axis_labels(True) self.bokehgui_time_const_x_0_plot.disable_legend(not True) self.bokehgui_time_const_x_0_plot.set_layout(*((0,1,2,2))) colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "blue", "blue", "blue"] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = ['o', 'o', 'o', 'o', 'o', 'o', 'o', 'o', 'o', 'o'] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range( 1 ): self.bokehgui_time_const_x_0_plot.format_line(i, colors[i], widths[i], 'None', markers[i], alphas[i]) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate/6,True) self.blocks_tagged_stream_to_pdu_0_0_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, 'packet_len') self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, length_tag_key, 0) self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_0_0 = blocks.repack_bits_bb(8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(1, bits_per_symbol, '', False, gr.GR_LSB_FIRST) self.blocks_multiply_const_xx_0 = blocks.multiply_const_cc(0.01, 1) self.analog_random_source_x_0_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 2, 1000))), True) if self.widget_lst: input_t = bokehgui.bokeh_layout.widgetbox(self.widget_lst) widgetbox = bokehgui.bokeh_layout.WidgetLayout(input_t) widgetbox.set_layout(*((0, 0, 2, 1))) list_obj = [widgetbox] + self.plot_lst else: list_obj = self.plot_lst layout_t = bokehgui.bokeh_layout.create_layout(list_obj, "fixed") self.doc.add_root(layout_t) ################################################## # Connections ################################################## self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'), (self.zeromq_pub_msg_sink_0_0, 'in')) self.msg_connect((self.zeromq_sub_msg_source_0_1, 'out'), (self.learning_rl_mod_0, 'losses')) self.connect((self.analog_random_source_x_0_0, 0), (self.fec_extended_encoder_1_0_0, 0)) self.connect((self.blocks_multiply_const_xx_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.blocks_stream_to_tagged_stream_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.learning_tag_numerotation_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_tagged_stream_to_pdu_0_0_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_xx_0, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0_0, 0)) self.connect((self.fec_extended_encoder_1_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.learning_rl_mod_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.learning_rl_mod_0, 1), (self.bokehgui_time_const_x_0, 0)) self.connect((self.learning_tag_numerotation_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.learning_tag_numerotation_0, 0), (self.learning_rl_mod_0, 0))
def set_occupied_carriers(self, occupied_carriers): self.occupied_carriers = occupied_carriers self.set_hdr_format(digital.header_format_ofdm(self.occupied_carriers, 1, "packet_len",))
def __init__(self, input_port_num="55555", output_port_num="55556", rx_bw=1e6, rx_freq=2.2e9, rx_gain=0.8, serial_num="31C9237", tx_bw=1e6, tx_freq=2.2e9, tx_gain=0.8): gr.top_block.__init__(self, "tranceiver_ofdm_usrp_RS") ################################################## # Parameters ################################################## self.input_port_num = input_port_num self.output_port_num = output_port_num self.rx_bw = rx_bw self.rx_freq = rx_freq self.rx_gain = rx_gain self.serial_num = serial_num self.tx_bw = tx_bw self.tx_freq = tx_freq self.tx_gain = tx_gain ################################################## # Variables ################################################## self.packet_len = packet_len = 200 self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = ( list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)), ) self.n = n = 255 self.length_tag_key = length_tag_key = "frame_len" self.k = k = packet_len + 4 self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.blocks_RS = blocks_RS = 1 self.t = t = int((n * blocks_RS - k) / 2) self.sync_word2 = sync_word2 = [ 0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), 0j, 0j, 0j, 0j, 0j ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.samp_rate = samp_rate = 10000 self.rolloff = rolloff = 0 self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.out_buf_size = out_buf_size = 0 self.header_formatter = header_formatter = digital.packet_header_ofdm( occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) ################################################## # Blocks ################################################## self.zeromq_sub_source_0 = zeromq.sub_source( gr.sizeof_char, 1, "tcp://127.0.0.1:" + input_port_num, 100, False, -1) self.zeromq_pub_sink_0 = zeromq.pub_sink(gr.sizeof_char, 1, "tcp://127.0.0.1:55556", 100, False, -1) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0, 1)), ), ) self.uhd_usrp_source_0.set_center_freq(rx_freq, 0) self.uhd_usrp_source_0.set_normalized_gain(rx_gain, 0) self.uhd_usrp_source_0.set_antenna('RX2', 0) self.uhd_usrp_source_0.set_samp_rate(rx_bw) self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0, 1)), ), packet_length_tag_key, ) self.uhd_usrp_sink_0.set_center_freq(tx_freq, 0) self.uhd_usrp_sink_0.set_normalized_gain(tx_gain, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0.set_samp_rate(tx_bw) self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.foo_packet_pad2_0 = foo.packet_pad2(False, False, 0.001, 100, 1000) self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (), True, 1) self.dtv_dvbt_reed_solomon_enc_0 = dtv.dvbt_reed_solomon_enc( 2, 8, 0x11d, n, k, t, 0, blocks_RS) self.dtv_dvbt_reed_solomon_dec_0 = dtv.dvbt_reed_solomon_dec( 2, 8, 0x11d, n, k, t, 0, 1) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, packet_length_tag_key) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b( header_formatter.base()) self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb( fft_len, fft_len // 4, False, 0.9) self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, '', True) self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, '', 0, '', True) self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc( payload_equalizer.base(), fft_len // 4, length_tag_key, True, 0) self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc( header_equalizer.base(), fft_len // 4, length_tag_key, True, 1) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len // 4, rolloff, packet_length_tag_key) self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc( sync_word1, sync_word2, 1, 0, 3, False) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), packet_length_tag_key, True) self.digital_header_payload_demux_0 = digital.header_payload_demux( 3, fft_len, fft_len // 4, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0) self.digital_crc32_bb_0_0 = digital.crc32_bb(False, packet_length_tag_key, True) self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key, True) self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb( payload_mod.base()) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( header_mod.base()) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( payload_mod.points(), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( header_mod.points(), 1) self.blocks_vector_to_stream_0_0 = blocks.vector_to_stream( gr.sizeof_char * 1, k) self.blocks_vector_to_stream_0 = blocks.vector_to_stream( gr.sizeof_char * 1, n) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, packet_length_tag_key, 0) self.blocks_tagged_stream_multiply_length_0_0 = blocks.tagged_stream_multiply_length( gr.sizeof_char * 1, packet_length_tag_key, k / n) self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length( gr.sizeof_char * 1, packet_length_tag_key, n / k) self.blocks_stream_to_vector_1 = blocks.stream_to_vector( gr.sizeof_char * 1, k) self.blocks_stream_to_vector_0 = blocks.stream_to_vector( gr.sizeof_char * 1, n) self.blocks_stream_to_tagged_stream_0_0_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, k, packet_length_tag_key) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, packet_length_tag_key) self.blocks_repack_bits_bb_0_1 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), packet_length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, 1, packet_length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(0.05) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + fft_len // 4) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc( -2.0 / fft_len) ################################################## # Connections ################################################## self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data')) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.foo_packet_pad2_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_stream_to_vector_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_repack_bits_bb_0_1, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0_0, 0), (self.blocks_tagged_stream_multiply_length_0_0, 0)) self.connect((self.blocks_stream_to_vector_0, 0), (self.dtv_dvbt_reed_solomon_dec_0, 0)) self.connect((self.blocks_stream_to_vector_1, 0), (self.dtv_dvbt_reed_solomon_enc_0, 0)) self.connect((self.blocks_tagged_stream_multiply_length_0, 0), (self.blocks_repack_bits_bb_0_1, 0)) self.connect((self.blocks_tagged_stream_multiply_length_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.blocks_tagged_stream_multiply_length_0_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.blocks_vector_to_stream_0, 0), (self.blocks_tagged_stream_multiply_length_0, 0)) self.connect((self.blocks_vector_to_stream_0_0, 0), (self.blocks_stream_to_tagged_stream_0_0_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.zeromq_pub_sink_0, 0)) self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_stream_to_vector_1, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0)) self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.digital_constellation_decoder_cb_1, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.dtv_dvbt_reed_solomon_dec_0, 0), (self.blocks_vector_to_stream_0_0, 0)) self.connect((self.dtv_dvbt_reed_solomon_enc_0, 0), (self.blocks_vector_to_stream_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0)) self.connect((self.foo_packet_pad2_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.blocks_delay_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0)) self.connect((self.zeromq_sub_source_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
def __init__(self): gr.top_block.__init__(self, "OFDM Tx") Qt.QWidget.__init__(self) self.setWindowTitle("OFDM 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", "tx_ofdm_updated") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry(self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),) self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),) self.payload_mod = payload_mod = digital.constellation_bpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = (list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)),) self.length_tag_key = length_tag_key = "packet_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.tx_probe = tx_probe = 0 self.sync_word2_0 = sync_word2_0 = [0j, 0j, 0j, 0j, 0j, 0j, (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1 +0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), 0j, (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), 0j, 0j, 0j, 0j, 0j] self.sync_word2 = sync_word2 = [0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0] self.sync_word1_0 = sync_word1_0 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.] self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.] self.samp_rate = samp_rate = 50000 self.rx_probe = rx_probe = 0 self.rolloff = rolloff = 0 self.pilot_symbols_0 = pilot_symbols_0 = ((1, 1, 1, -1,),) self.pilot_carriers_0 = pilot_carriers_0 = ((-21, -7, 7, 21,),) self.payload_mod_0 = payload_mod_0 = digital.constellation_qpsk() self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len_0 = packet_len_0 = 96 self.packet_len = packet_len = 96 self.output_signal = output_signal = 0 self.og_signal_probe = og_signal_probe = 0 self.occupied_carriers_0 = occupied_carriers_0 = (list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)),) self.length_tag_key_0 = length_tag_key_0 = "frame_len" self.input_signal = input_signal = 0 self.header_mod_0 = header_mod_0 = digital.constellation_bpsk() self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.hdr_format = hdr_format = digital.header_format_ofdm(occupied_carriers, 1, length_tag_key,) self.fft_len_0 = fft_len_0 = 64 self.decoded_probe = decoded_probe = 0 ################################################## # Blocks ################################################## self.blocks_probe_signal_x_4 = blocks.probe_signal_c() self.blocks_probe_signal_x_3 = blocks.probe_signal_c() self.blocks_probe_signal_x_2 = blocks.probe_signal_b() self.blocks_probe_signal_x_0_1 = blocks.probe_signal_b() self.blocks_probe_signal_x_0_0_0 = blocks.probe_signal_c() self.blocks_probe_signal_x_0_0 = blocks.probe_signal_c() def _tx_probe_probe(): global transmitted_data while True: val = self.blocks_probe_signal_x_0_0.level() transmitted_data = val try: self.set_tx_probe(val) except AttributeError: pass time.sleep(1.0 / (10)) _tx_probe_thread = threading.Thread(target=_tx_probe_probe) _tx_probe_thread.daemon = True _tx_probe_thread.start() def _rx_probe_probe(): global received_data while True: val = self.blocks_probe_signal_x_3.level() received_data = val try: self.set_rx_probe(val) except AttributeError: pass time.sleep(1.0 / (10)) _rx_probe_thread = threading.Thread(target=_rx_probe_probe) _rx_probe_thread.daemon = True _rx_probe_thread.start() self.qtgui_time_sink_x_0_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate 'Scope Plot', #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0.enable_tags(True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0_0.enable_autoscale(True) self.qtgui_time_sink_x_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0.enable_stem_plot(False) labels = ['Scope Plot', '', '', '', '', '', '', '', '', ''] 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] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_0_0.set_line_label(i, "Re{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, "Im{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win) self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate 'Scope Plot', #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(True) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) labels = ['Scope Plot', '', '', '', '', '', '', '', '', ''] 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] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw 'FFT Plot', #name 1 ) 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(True) 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_axis_labels(True) self.qtgui_freq_sink_x_0.enable_control_panel(False) 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 range(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_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win) def _output_signal_probe(): global output_data while True: val = self.blocks_probe_signal_x_0_1.level() output_data = val try: self.set_output_signal(val) except AttributeError: pass # time.sleep(1.0 / (10)) time.sleep(0.0911) _output_signal_thread = threading.Thread(target=_output_signal_probe) _output_signal_thread.daemon = True _output_signal_thread.start() def _og_signal_probe_probe(): global encoded_data while True: val = self.blocks_probe_signal_x_0_0_0.level() encoded_data = val try: self.set_og_signal_probe(val) except AttributeError: pass time.sleep(1.0 / (10)) _og_signal_probe_thread = threading.Thread(target=_og_signal_probe_probe) _og_signal_probe_thread.daemon = True _og_signal_probe_thread.start() def _input_signal_probe(): global input_data while True: val = self.blocks_probe_signal_x_2.level() input_data = val try: self.set_input_signal(val) except AttributeError: pass time.sleep(1.0 / (10)) _input_signal_thread = threading.Thread(target=_input_signal_probe) _input_signal_thread.daemon = True _input_signal_thread.start() self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0_0 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (), True, 1) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(hdr_format, length_tag_key) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.base()) self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len//4, False, 0.9) self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, '', True) self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, '', 0, '', True) self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(payload_equalizer.base(), fft_len//4, length_tag_key, True, 0) self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), fft_len//4, length_tag_key, True, 1) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(fft_len, fft_len + fft_len//4, rolloff, length_tag_key) self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc(sync_word1, sync_word2, 1, 0, 3, False) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key, True) self.digital_header_payload_demux_0 = digital.header_payload_demux( 3, fft_len, fft_len//4, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0) self.digital_crc32_bb_0_0 = digital.crc32_bb(True, packet_length_tag_key, True) self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True) self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(payload_mod.base()) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base()) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(payload_mod.points(), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(header_mod.points(), 1) def _decoded_probe_probe(): global decoded_signal while True: val = self.blocks_probe_signal_x_4.level() decoded_signal = val try: self.set_decoded_probe(val) except AttributeError: pass # time.sleep(1.0 / (10)) time.sleep(0.0911) _decoded_probe_thread = threading.Thread(target=_decoded_probe_probe) _decoded_probe_thread.daemon = True _decoded_probe_thread.start() self.channels_channel_model_0_0 = channels.channel_model( noise_voltage=0.15, frequency_offset=0 * 1.0/fft_len, epsilon=1.0, taps=[1.0 + 1.0j], noise_seed=0, block_tags=True) self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, length_tag_key, 0) self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False) self.blocks_tag_gate_0.set_single_key("") self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char*1, 'Rx Bytes', "") self.blocks_tag_debug_1.set_display(True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_1 = blocks.repack_bits_bb(payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(0.05) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, fft_len+fft_len//4) self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 255, 1000))), True) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0/fft_len) ################################################## # Connections ################################################## self.msg_connect((self.digital_packet_headerparser_b_0, u'header_data'), (self.digital_header_payload_demux_0, u'header_data')) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.analog_random_source_x_0, 0), (self.blocks_probe_signal_x_2, 0)) self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_tag_gate_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_repack_bits_bb_0_1, 0), (self.blocks_probe_signal_x_0_1, 0)) self.connect((self.blocks_repack_bits_bb_0_1, 0), (self.digital_crc32_bb_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blocks_probe_signal_x_0_0_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blocks_probe_signal_x_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.blocks_probe_signal_x_3, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0)) self.connect((self.channels_channel_model_0_0, 0), (self.blocks_throttle_0_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0_1, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tag_debug_1, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0)) self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.blocks_probe_signal_x_4, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.digital_constellation_decoder_cb_1, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0)) self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0))
def __init__(self): gr.top_block.__init__(self, "Split 1") ################################################## # Variables ################################################## self.pilot_carriers = pilot_carriers = ((-27, -14, -7, 7, 14, 27),) self.pattern2 = pattern2 = [1, -1, 1, -1] self.pattern1 = pattern1 = [0., 1.41421356, 0., -1.41421356] self.occupied_carriers = occupied_carriers = (sorted(tuple(set([x for x in range(-26, 27)]) - set(pilot_carriers[0]) - set([0,]))),) self.fft_len = fft_len = 64 self.zcpu = zcpu = psutil self._xmlrpcport_config = ConfigParser.ConfigParser() self._xmlrpcport_config.read('default') try: xmlrpcport = self._xmlrpcport_config.getint("split1", "xmlrpcport") except: xmlrpcport = 8080 self.xmlrpcport = xmlrpcport self._usrpip_config = ConfigParser.ConfigParser() self._usrpip_config.read('./default') try: usrpip = self._usrpip_config.get("usrp_hydra", "ip") except: usrpip = "127.0.0.1" self.usrpip = usrpip self._timeout_config = ConfigParser.ConfigParser() self._timeout_config.read('./default') try: timeout = self._timeout_config.getint("global", "zmqtimeout") except: timeout = 100 self.timeout = timeout self.sync_word2 = sync_word2 = [0., 0., 0., 0., 0., 0.,] + pattern2 * ((fft_len-12)/len(pattern2)) +[0., 0., 0., 0., 0., 0.,] self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0.,] + pattern1 * ((fft_len-12)/len(pattern1)) +[0., 0., 0., 0., 0., 0.,] self._rxport_config = ConfigParser.ConfigParser() self._rxport_config.read('./default') try: rxport = self._rxport_config.get("usrp_hydra", "rxport1") except: rxport = "2666" self.rxport = rxport self.rateRx = rateRx = 0 self.rate1 = rate1 = 0 self.rate0 = rate0 = 0 self.pilot_symbols = pilot_symbols = ((-1,1, 1, -1, -1, -1),) self._payloadport_config = ConfigParser.ConfigParser() self._payloadport_config.read('./default') try: payloadport = self._payloadport_config.get("split1", "payloadport") except: payloadport = "2101" self.payloadport = payloadport self.payload_mod = payload_mod = digital.constellation_bpsk() self._maxnoutput_config = ConfigParser.ConfigParser() self._maxnoutput_config.read('./default') try: maxnoutput = self._maxnoutput_config.getint("global", "maxnoutput") except: maxnoutput = 100 self.maxnoutput = maxnoutput self.iq_rxrate = iq_rxrate = 0 self._ip_config = ConfigParser.ConfigParser() self._ip_config.read('./default') try: ip = self._ip_config.get("split1", "ip") except: ip = "127.0.0.1" self.ip = ip self._headerport_config = ConfigParser.ConfigParser() self._headerport_config.read('./default') try: headerport = self._headerport_config.get("split1", "headerport") except: headerport = "2100" self.headerport = headerport self.header_mod = header_mod = digital.constellation_bpsk() self.hdr_format = hdr_format = digital.header_format_ofdm(occupied_carriers, 1, "packet_len",) self.cpu_percent = cpu_percent = 0 ################################################## # Blocks ################################################## self.probe1_1_0 = blocks.probe_rate(gr.sizeof_char*1, 500.0, 0.15) self.probe1_1 = blocks.probe_rate(gr.sizeof_char*1, 500.0, 0.15) self.probe1_0 = blocks.probe_rate(gr.sizeof_char*1, 500.0, 0.15) self.ziq_rxrate = blocks.probe_rate(gr.sizeof_gr_complex*1, 2000, 0.15) self.zeromq_push_sink_1 = zeromq.push_sink(gr.sizeof_char, 1, "tcp://" + ip + ":" + payloadport, timeout, True, -1) self.zeromq_push_sink_0 = zeromq.push_sink(gr.sizeof_char, 1, "tcp://" + ip + ":" + headerport, timeout, True, -1) self.zeromq_pull_source_0 = zeromq.pull_source(gr.sizeof_gr_complex, 1, "tcp://" + usrpip + ":" + rxport, 100, True, -1) self.xmlrpc_server_0 = SimpleXMLRPCServer.SimpleXMLRPCServer(('127.0.0.1', xmlrpcport), allow_none=True) self.xmlrpc_server_0.register_instance(self) self.xmlrpc_server_0_thread = threading.Thread(target=self.xmlrpc_server_0.serve_forever) self.xmlrpc_server_0_thread.daemon = True self.xmlrpc_server_0_thread.start() def _rateRx_probe(): while True: val = self.probe1_1_0.rate() try: self.set_rateRx(val) except AttributeError: pass time.sleep(1.0 / (10)) _rateRx_thread = threading.Thread(target=_rateRx_probe) _rateRx_thread.daemon = True _rateRx_thread.start() def _rate1_probe(): while True: val = self.probe1_1.rate() try: self.set_rate1(val) except AttributeError: pass time.sleep(1.0 / (10)) _rate1_thread = threading.Thread(target=_rate1_probe) _rate1_thread.daemon = True _rate1_thread.start() def _rate0_probe(): while True: val = self.probe1_0.rate() try: self.set_rate0(val) except AttributeError: pass time.sleep(1.0 / (10)) _rate0_thread = threading.Thread(target=_rate0_probe) _rate0_thread.daemon = True _rate0_thread.start() def _iq_rxrate_probe(): while True: val = self.ziq_rxrate.rate() try: self.set_iq_rxrate(val) except AttributeError: pass time.sleep(1.0 / (10)) _iq_rxrate_thread = threading.Thread(target=_iq_rxrate_probe) _iq_rxrate_thread.daemon = True _iq_rxrate_thread.start() self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(hdr_format, "packet_len") self.digital_ofdm_rx_0 = digital.ofdm_rx( fft_len=fft_len, cp_len=16, frame_length_tag_key='frame_'+"packet_len", packet_length_tag_key="packet_len", occupied_carriers=occupied_carriers, pilot_carriers=pilot_carriers, pilot_symbols=pilot_symbols, sync_word1=sync_word1, sync_word2=sync_word2, bps_header=1, bps_payload=1, debug_log=False, scramble_bits=False ) self.digital_crc32_bb_0 = digital.crc32_bb(False, "packet_len", True) def _cpu_percent_probe(): while True: val = self.zcpu.cpu_percent() try: self.set_cpu_percent(val) except AttributeError: pass time.sleep(1.0 / (1)) _cpu_percent_thread = threading.Thread(target=_cpu_percent_probe) _cpu_percent_thread.daemon = True _cpu_percent_thread.start() self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_char*1, 200e3,True) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, 200e3,True) self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, "RX'd Packets", ""); self.blocks_tag_debug_0.set_display(True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 100, "packet_len") self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, 1, "packet_len", False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), "packet_len", False, gr.GR_LSB_FIRST) self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 100, 1000)), True) ################################################## # Connections ################################################## self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.probe1_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.probe1_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.zeromq_push_sink_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.zeromq_push_sink_1, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.digital_ofdm_rx_0, 0), (self.probe1_1_0, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_throttle_0_0, 0)) self.connect((self.zeromq_pull_source_0, 0), (self.digital_ofdm_rx_0, 0)) self.connect((self.zeromq_pull_source_0, 0), (self.ziq_rxrate, 0))
def __init__(self): gr.top_block.__init__(self, "OFDM Tx") Qt.QWidget.__init__(self) self.setWindowTitle("OFDM 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", "ofdm_tx_virtualsource_qt") self.restoreGeometry( self.settings.value("geometry", type=QtCore.QByteArray)) ################################################## # Variables ################################################## self.occupied_carriers = occupied_carriers = ( range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27), ) self.length_tag_key = length_tag_key = "packet_len" self.sync_word2 = sync_word2 = [ 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0 ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.samp_rate = samp_rate = 100000 self.rolloff = rolloff = 0 self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_len = packet_len = 96 self.header_mod = header_mod = digital.constellation_bpsk() self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) self.fft_len = fft_len = 64 ################################################## # Blocks ################################################## self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate 'Scope Plot', #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(True) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ['Scope Plot', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] 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(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw 'FFT Plot', #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(True) 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_axis_labels(True) 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_grid_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) 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_grid_layout.addWidget(self._qtgui_const_sink_x_0_win) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, length_tag_key) self.digital_ofdm_rx_0 = digital.ofdm_rx( fft_len=fft_len, cp_len=fft_len / 4, frame_length_tag_key='frame_' + "length", packet_length_tag_key="length", occupied_carriers=occupied_carriers, pilot_carriers=pilot_carriers, pilot_symbols=pilot_symbols, sync_word1=sync_word1, sync_word2=sync_word2, bps_header=1, bps_payload=2, debug_log=False, scramble_bits=False) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len / 4, rolloff, length_tag_key) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key) self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( (payload_mod.points()), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( (header_mod.points()), 1) self.channels_channel_model_0 = channels.channel_model( noise_voltage=0.0, frequency_offset=0.0, epsilon=1.0, taps=(1.0 + 1.0j, ), noise_seed=0, block_tags=True) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, length_tag_key, 0) self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False) self.blocks_tag_gate_0.set_single_key("") self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char * 1, "Rx'd Packets", "") self.blocks_tag_debug_0.set_display(True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.05, )) self.analog_random_source_x_0 = blocks.vector_source_b( map(int, numpy.random.randint(0, 255, 1000)), True) ################################################## # Connections ################################################## self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_tag_gate_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.digital_ofdm_rx_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
def __init__(self): gr.top_block.__init__(self, "SECUNDARY") Qt.QWidget.__init__(self) self.setWindowTitle("SECUNDARY") 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", "secundary") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_bpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = ( list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)), ) self.length_tag_key = length_tag_key = "packet_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.tx_gain = tx_gain = 50 self.sync_word2 = sync_word2 = [ 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0 ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.samp_rate = samp_rate = 1000000 self.rx_gain = rx_gain = 50 self.rolloff = rolloff = 0 self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.header_formatter = header_formatter = digital.packet_header_ofdm( occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) ################################################## # Blocks ################################################## self._tx_gain_tool_bar = Qt.QToolBar(self) self._tx_gain_tool_bar.addWidget(Qt.QLabel('tx_gain' + ": ")) self._tx_gain_line_edit = Qt.QLineEdit(str(self.tx_gain)) self._tx_gain_tool_bar.addWidget(self._tx_gain_line_edit) self._tx_gain_line_edit.returnPressed.connect(lambda: self.set_tx_gain( eng_notation.str_to_num(str(self._tx_gain_line_edit.text())))) self.top_layout.addWidget(self._tx_gain_tool_bar) self._rx_gain_tool_bar = Qt.QToolBar(self) self._rx_gain_tool_bar.addWidget(Qt.QLabel('rx_gain' + ": ")) self._rx_gain_line_edit = Qt.QLineEdit(str(self.rx_gain)) self._rx_gain_tool_bar.addWidget(self._rx_gain_line_edit) self._rx_gain_line_edit.returnPressed.connect(lambda: self.set_rx_gain( eng_notation.str_to_num(str(self._rx_gain_line_edit.text())))) self.top_layout.addWidget(self._rx_gain_tool_bar) self.uhd_usrp_source_0_0_1 = uhd.usrp_source( ",".join(('serial=F5C243', "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0, 1)), ), ) self.uhd_usrp_source_0_0_1.set_center_freq(2400000000, 0) self.uhd_usrp_source_0_0_1.set_gain(rx_gain, 0) self.uhd_usrp_source_0_0_1.set_antenna('RX2', 0) self.uhd_usrp_source_0_0_1.set_samp_rate(samp_rate) self.uhd_usrp_source_0_0_1.set_time_unknown_pps(uhd.time_spec()) self.uhd_usrp_source_0_0 = uhd.usrp_source( ",".join(('serial=F5C234', "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0, 1)), ), ) self.uhd_usrp_source_0_0.set_center_freq(2450000000, 0) self.uhd_usrp_source_0_0.set_gain(rx_gain, 0) self.uhd_usrp_source_0_0.set_antenna('RX2', 0) self.uhd_usrp_source_0_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0_0.set_time_unknown_pps(uhd.time_spec()) self.uhd_usrp_sink_0_0 = uhd.usrp_sink( ",".join(('serial=F5C234', "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0, 1)), ), length_tag_key, ) self.uhd_usrp_sink_0_0.set_center_freq(2400000000, 0) self.uhd_usrp_sink_0_0.set_gain(tx_gain, 0) self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0_0.set_time_unknown_pps(uhd.time_spec()) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(('serial=F5C243', "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0, 1)), ), length_tag_key, ) self.uhd_usrp_sink_0.set_center_freq(2450000000, 0) self.uhd_usrp_sink_0.set_gain(tx_gain, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec()) self.qtgui_sink_x_0_0 = qtgui.sink_c( 64, #fftsize firdes.WIN_BLACKMAN_hARRIS, #wintype 4000000000, #fc 50000, #bw 'SECUNDARY RX', #name True, #plotfreq True, #plotwaterfall True, #plottime True #plotconst ) self.qtgui_sink_x_0_0.set_update_time(1.0 / 10) self._qtgui_sink_x_0_0_win = sip.wrapinstance( self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget) self.qtgui_sink_x_0_0.enable_rf_freq(False) self.top_layout.addWidget(self._qtgui_sink_x_0_0_win) self.fft_vxx_1_0_0_0_0_0 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_1_0_0_0_0 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0_0_0_0_0_0_0 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0_0_0_0_0_0 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (), True, 1) self.epy_block_0_0 = epy_block_0_0.mac() self.epy_block_0 = epy_block_0.mac() self.digital_protocol_formatter_bb_0_0 = digital.protocol_formatter_bb( hdr_format, length_tag_key) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, length_tag_key) self.digital_packet_headerparser_b_0_0_0_0_0_0 = digital.packet_headerparser_b( header_formatter.base()) self.digital_packet_headerparser_b_0_0_0_0_0 = digital.packet_headerparser_b( header_formatter.base()) self.digital_ofdm_sync_sc_cfb_0_0_0_0_0_0 = digital.ofdm_sync_sc_cfb( fft_len, fft_len // 4, False, 0.9) self.digital_ofdm_sync_sc_cfb_0_0_0_0_0 = digital.ofdm_sync_sc_cfb( fft_len, fft_len // 4, False, 0.9) self.digital_ofdm_serializer_vcc_payload_0_0_0_0_0 = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, '', True) self.digital_ofdm_serializer_vcc_payload_0_0_0_0 = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, '', True) self.digital_ofdm_serializer_vcc_header_0_0_0_0_0 = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, '', 0, '', True) self.digital_ofdm_serializer_vcc_header_0_0_0_0 = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, '', 0, '', True) self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0_0 = digital.ofdm_frame_equalizer_vcvc( payload_equalizer.base(), fft_len // 4, length_tag_key, True, 0) self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0 = digital.ofdm_frame_equalizer_vcvc( payload_equalizer.base(), fft_len // 4, length_tag_key, True, 0) self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0_0 = digital.ofdm_frame_equalizer_vcvc( header_equalizer.base(), fft_len // 4, length_tag_key, True, 1) self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0 = digital.ofdm_frame_equalizer_vcvc( header_equalizer.base(), fft_len // 4, length_tag_key, True, 1) self.digital_ofdm_cyclic_prefixer_0_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len // 4, rolloff, length_tag_key) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len // 4, rolloff, length_tag_key) self.digital_ofdm_chanest_vcvc_0_0_0_0_0_0 = digital.ofdm_chanest_vcvc( sync_word1, sync_word2, 1, 0, 3, False) self.digital_ofdm_chanest_vcvc_0_0_0_0_0 = digital.ofdm_chanest_vcvc( sync_word1, sync_word2, 1, 0, 3, False) self.digital_ofdm_carrier_allocator_cvc_0_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key, True) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key, True) self.digital_header_payload_demux_0_0_0_0_0_0 = digital.header_payload_demux( 3, fft_len, fft_len // 4, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0) self.digital_header_payload_demux_0_0_0_0_0 = digital.header_payload_demux( 3, fft_len, fft_len // 4, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0) self.digital_constellation_decoder_cb_1_0_0_0_0_0 = digital.constellation_decoder_cb( payload_mod.base()) self.digital_constellation_decoder_cb_1_0_0_0_0 = digital.constellation_decoder_cb( payload_mod.base()) self.digital_constellation_decoder_cb_0_0_0_0_0_0 = digital.constellation_decoder_cb( header_mod.base()) self.digital_constellation_decoder_cb_0_0_0_0_0 = digital.constellation_decoder_cb( header_mod.base()) self.digital_chunks_to_symbols_xx_0_1 = digital.chunks_to_symbols_bc( header_mod.points(), 1) self.digital_chunks_to_symbols_xx_0_0_0 = digital.chunks_to_symbols_bc( payload_mod.points(), 1) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( payload_mod.points(), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( header_mod.points(), 1) self.blocks_tagged_stream_to_pdu_0_0_0_0 = blocks.tagged_stream_to_pdu( blocks.byte_t, length_tag_key) self.blocks_tagged_stream_to_pdu_0_0_0 = blocks.tagged_stream_to_pdu( blocks.byte_t, length_tag_key) self.blocks_tagged_stream_mux_0_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, length_tag_key, 0) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, length_tag_key, 0) self.blocks_tag_gate_0_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, True) self.blocks_tag_gate_0_0.set_single_key("") self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, True) self.blocks_tag_gate_0.set_single_key("") self.blocks_repack_bits_bb_0_2_0 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_2 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_1_0_0_0_0_0 = blocks.repack_bits_bb( payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_1_0_0_0_0 = blocks.repack_bits_bb( payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0_1_0 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0_1 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_pdu_to_tagged_stream_0_0_0 = blocks.pdu_to_tagged_stream( blocks.byte_t, length_tag_key) self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream( blocks.byte_t, length_tag_key) self.blocks_multiply_xx_0_0_0_0_0_0 = blocks.multiply_vcc(1) self.blocks_multiply_xx_0_0_0_0_0 = blocks.multiply_vcc(1) self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_cc(50e-3) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(50e-3) self.blocks_message_strobe_0 = blocks.message_strobe( pmt.intern("TEST"), 1000) self.blocks_message_debug_0 = blocks.message_debug() self.blocks_delay_0_0_0_0_0_0 = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + fft_len // 4) self.blocks_delay_0_0_0_0_0 = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + fft_len // 4) self.analog_frequency_modulator_fc_0_0_0_0_0_0 = analog.frequency_modulator_fc( -2.0 / fft_len) self.analog_frequency_modulator_fc_0_0_0_0_0 = analog.frequency_modulator_fc( -2.0 / fft_len) ################################################## # Connections ################################################## self.msg_connect((self.blocks_message_strobe_0, 'strobe'), (self.epy_block_0_0, 'time_unit')) self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'), (self.blocks_message_debug_0, 'print_pdu')) self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'), (self.epy_block_0_0, 'ack')) self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0_0, 'pdus'), (self.epy_block_0, 'packet')) self.msg_connect( (self.digital_packet_headerparser_b_0_0_0_0_0, 'header_data'), (self.digital_header_payload_demux_0_0_0_0_0, 'header_data')) self.msg_connect( (self.digital_packet_headerparser_b_0_0_0_0_0_0, 'header_data'), (self.digital_header_payload_demux_0_0_0_0_0_0, 'header_data')) self.msg_connect((self.epy_block_0, 'ack'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus')) self.msg_connect((self.epy_block_0_0, 'transmit_packet'), (self.blocks_pdu_to_tagged_stream_0_0_0, 'pdus')) self.msg_connect((self.epy_block_0_0, 'channel_up'), (self.uhd_usrp_sink_0_0, 'command')) self.msg_connect((self.epy_block_0_0, 'channel_down'), (self.uhd_usrp_source_0_0, 'command')) self.connect((self.analog_frequency_modulator_fc_0_0_0_0_0, 0), (self.blocks_multiply_xx_0_0_0_0_0, 0)) self.connect((self.analog_frequency_modulator_fc_0_0_0_0_0_0, 0), (self.blocks_multiply_xx_0_0_0_0_0_0, 0)) self.connect((self.blocks_delay_0_0_0_0_0, 0), (self.blocks_multiply_xx_0_0_0_0_0, 1)) self.connect((self.blocks_delay_0_0_0_0_0_0, 0), (self.blocks_multiply_xx_0_0_0_0_0_0, 1)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_tag_gate_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.blocks_tag_gate_0_0, 0)) self.connect((self.blocks_multiply_xx_0_0_0_0_0, 0), (self.digital_header_payload_demux_0_0_0_0_0, 0)) self.connect((self.blocks_multiply_xx_0_0_0_0_0_0, 0), (self.digital_header_payload_demux_0_0_0_0_0_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.blocks_repack_bits_bb_0_2, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0_0_0, 0), (self.blocks_repack_bits_bb_0_2_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0_0_0, 0), (self.digital_protocol_formatter_bb_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_1, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_1_0, 0), (self.digital_chunks_to_symbols_xx_0_1, 0)) self.connect((self.blocks_repack_bits_bb_0_1_0_0_0_0, 0), (self.blocks_tagged_stream_to_pdu_0_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_1_0_0_0_0_0, 0), (self.blocks_tagged_stream_to_pdu_0_0_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_2, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_2_0, 0), (self.digital_chunks_to_symbols_xx_0_0_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_tag_gate_0_0, 0), (self.uhd_usrp_sink_0_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.blocks_tagged_stream_mux_0_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_chunks_to_symbols_xx_0_0_0, 0), (self.blocks_tagged_stream_mux_0_0, 1)) self.connect((self.digital_chunks_to_symbols_xx_0_1, 0), (self.blocks_tagged_stream_mux_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0_0_0_0_0, 0), (self.digital_packet_headerparser_b_0_0_0_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_0_0_0_0_0_0, 0), (self.digital_packet_headerparser_b_0_0_0_0_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_1_0_0_0_0, 0), (self.blocks_repack_bits_bb_0_1_0_0_0_0, 0)) self.connect((self.digital_constellation_decoder_cb_1_0_0_0_0_0, 0), (self.blocks_repack_bits_bb_0_1_0_0_0_0_0, 0)) self.connect((self.digital_header_payload_demux_0_0_0_0_0, 0), (self.fft_vxx_0_0_0_0_0_0, 0)) self.connect((self.digital_header_payload_demux_0_0_0_0_0, 1), (self.fft_vxx_1_0_0_0_0, 0)) self.connect((self.digital_header_payload_demux_0_0_0_0_0_0, 0), (self.fft_vxx_0_0_0_0_0_0_0, 0)) self.connect((self.digital_header_payload_demux_0_0_0_0_0_0, 1), (self.fft_vxx_1_0_0_0_0_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0_0, 0), (self.fft_vxx_0_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0_0_0_0_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0_0_0_0_0_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0_0, 0), (self.blocks_multiply_const_vxx_0_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0, 0), (self.digital_ofdm_serializer_vcc_header_0_0_0_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0_0_0_0_0_0, 0), (self.digital_ofdm_serializer_vcc_header_0_0_0_0_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0, 0), (self.digital_ofdm_serializer_vcc_payload_0_0_0_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0_0, 0), (self.digital_ofdm_serializer_vcc_payload_0_0_0_0_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_header_0_0_0_0, 0), (self.digital_constellation_decoder_cb_0_0_0_0_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_header_0_0_0_0_0, 0), (self.digital_constellation_decoder_cb_0_0_0_0_0_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload_0_0_0_0, 0), (self.digital_constellation_decoder_cb_1_0_0_0_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload_0_0_0_0_0, 0), (self.digital_constellation_decoder_cb_1_0_0_0_0_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0_0_0_0_0, 0), (self.analog_frequency_modulator_fc_0_0_0_0_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0_0_0_0_0, 1), (self.digital_header_payload_demux_0_0_0_0_0, 1)) self.connect((self.digital_ofdm_sync_sc_cfb_0_0_0_0_0_0, 0), (self.analog_frequency_modulator_fc_0_0_0_0_0_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0_0_0_0_0_0, 1), (self.digital_header_payload_demux_0_0_0_0_0_0, 1)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0_1, 0)) self.connect((self.digital_protocol_formatter_bb_0_0, 0), (self.blocks_repack_bits_bb_0_0_1_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_cyclic_prefixer_0_0, 0)) self.connect((self.fft_vxx_0_0_0_0_0_0, 0), (self.digital_ofdm_chanest_vcvc_0_0_0_0_0, 0)) self.connect((self.fft_vxx_0_0_0_0_0_0_0, 0), (self.digital_ofdm_chanest_vcvc_0_0_0_0_0_0, 0)) self.connect((self.fft_vxx_1_0_0_0_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0, 0)) self.connect((self.fft_vxx_1_0_0_0_0_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_1_0_0_0_0_0, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.blocks_delay_0_0_0_0_0, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.digital_ofdm_sync_sc_cfb_0_0_0_0_0, 0)) self.connect((self.uhd_usrp_source_0_0, 0), (self.qtgui_sink_x_0_0, 0)) self.connect((self.uhd_usrp_source_0_0_1, 0), (self.blocks_delay_0_0_0_0_0_0, 0)) self.connect((self.uhd_usrp_source_0_0_1, 0), (self.digital_ofdm_sync_sc_cfb_0_0_0_0_0_0, 0))
def __init__(self): gr.top_block.__init__(self, "OFDM Tx") Qt.QWidget.__init__(self) self.setWindowTitle("OFDM 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", "tx_ofdm") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = ((1, 1, 1, -1,),) self.pilot_carriers = pilot_carriers = ((-21, -7, 7, 21,),) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = (range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27),) self.length_tag_key = length_tag_key = "packet_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.sync_word2 = sync_word2 = [0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0] self.sync_word1 = sync_word1 = [0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0.] self.samp_rate = samp_rate = 100000 self.rolloff = rolloff = 0 self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len = packet_len = 96 self.header_formatter = header_formatter = digital.packet_header_ofdm(occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe(fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.hdr_format = hdr_format = digital.header_format_ofdm(occupied_carriers, 1, length_tag_key,) ################################################## # Blocks ################################################## self.qtgui_time_sink_x_1 = qtgui.time_sink_f( 20, #size samp_rate, #samp_rate "", #name 1 #number of inputs ) self.qtgui_time_sink_x_1.set_update_time(0.10) self.qtgui_time_sink_x_1.set_y_axis(-1, 1) self.qtgui_time_sink_x_1.set_y_label('Amplitude', "") self.qtgui_time_sink_x_1.enable_tags(-1, True) self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_1.enable_autoscale(True) self.qtgui_time_sink_x_1.enable_grid(False) self.qtgui_time_sink_x_1.enable_axis_labels(True) self.qtgui_time_sink_x_1.enable_control_panel(False) if not True: self.qtgui_time_sink_x_1.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] 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_time_sink_x_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_1.set_line_label(i, labels[i]) self.qtgui_time_sink_x_1.set_line_width(i, widths[i]) self.qtgui_time_sink_x_1.set_line_color(i, colors[i]) self.qtgui_time_sink_x_1.set_line_style(i, styles[i]) self.qtgui_time_sink_x_1.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_1_win) self.qtgui_time_sink_x_0_0_0 = qtgui.time_sink_f( 200, #size samp_rate, #samp_rate "É ESTE", #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0_0.set_y_axis(-1, 2) self.qtgui_time_sink_x_0_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0_0.enable_tags(-1, True) self.qtgui_time_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0_0_0.enable_autoscale(True) self.qtgui_time_sink_x_0_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0_0_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] 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_time_sink_x_0_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_0_0_win) self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate 'Scope Plot', #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(True) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ['Scope Plot', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] 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(2): if len(labels[i]) == 0: if(i % 2 == 0): self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_layout.addWidget(self._qtgui_time_sink_x_0_win) self.meu_qpsk_modulator_adapt_cb_0 = meu.qpsk_modulator_adapt_cb() self.meu_qpsk_demod_adapt_cb_0 = meu.qpsk_demod_adapt_cb() self.meu_phase_finder_vci_0 = meu.phase_finder_vci(fft_len/4, fft_len) self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0_0 = fft.fft_vcc(fft_len, True, (()), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(hdr_format, length_tag_key) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_formatter.base()) self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb(fft_len, fft_len/4, False) self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, '', True) self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc(fft_len, occupied_carriers, length_tag_key, '', 0, '', True) self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc(payload_equalizer.base(), fft_len/4, length_tag_key, True, 0) self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc(header_equalizer.base(), fft_len/4, length_tag_key, True, 1) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer(fft_len, fft_len+fft_len/4, rolloff, length_tag_key) self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc((sync_word1), (sync_word2), 1, 0, 3, False) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc(fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key) self.digital_header_payload_demux_0 = digital.header_payload_demux( 3, fft_len, fft_len/4, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0, ) self.digital_crc32_bb_0_0 = digital.crc32_bb(True, packet_length_tag_key, False) self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(header_mod.base()) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((header_mod.points()), 1) self.channels_channel_model_0_0 = channels.channel_model( noise_voltage=100e-12, frequency_offset=1, epsilon=1.0, taps=(1.0, ), noise_seed=0, block_tags=True ) self.blocks_uchar_to_float_0_0 = blocks.uchar_to_float() self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, length_tag_key, 0) self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False) self.blocks_tag_gate_0.set_single_key("") self.blocks_tag_debug_1 = blocks.tag_debug(gr.sizeof_char*1, 'Rx Bytes', ""); self.blocks_tag_debug_1.set_display(True) self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_gr_complex*1, '', ""); self.blocks_tag_debug_0.set_display(True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_0_0 = blocks.repack_bits_bb(payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.05, )) self.blocks_int_to_float_0 = blocks.int_to_float(1, 1) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, fft_len+fft_len/4) self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 255, 1000)), True) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(-2.0/fft_len) self.analog_const_source_x_0_0 = analog.sig_source_i(0, analog.GR_CONST_WAVE, 0, 0, 1) self.analog_const_source_x_0 = analog.sig_source_i(0, analog.GR_CONST_WAVE, 0, 0, 1) ################################################## # Connections ################################################## self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data')) self.connect((self.analog_const_source_x_0, 0), (self.meu_qpsk_modulator_adapt_cb_0, 1)) self.connect((self.analog_const_source_x_0_0, 0), (self.meu_qpsk_demod_adapt_cb_0, 1)) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_int_to_float_0, 0), (self.qtgui_time_sink_x_1, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_tag_gate_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.meu_qpsk_modulator_adapt_cb_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.blocks_uchar_to_float_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.digital_crc32_bb_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.channels_channel_model_0_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0)) self.connect((self.blocks_uchar_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0_0, 0)) self.connect((self.channels_channel_model_0_0, 0), (self.blocks_throttle_0_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tag_debug_1, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.meu_phase_finder_vci_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0)) self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.blocks_tag_debug_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.meu_qpsk_demod_adapt_cb_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0)) self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0)) self.connect((self.meu_phase_finder_vci_0, 0), (self.blocks_int_to_float_0, 0)) self.connect((self.meu_qpsk_demod_adapt_cb_0, 0), (self.blocks_repack_bits_bb_0_0_0, 0)) self.connect((self.meu_qpsk_modulator_adapt_cb_0, 0), (self.blocks_tagged_stream_mux_0, 1))
def __init__(self): gr.top_block.__init__(self, "OFDM Tx") Qt.QWidget.__init__(self) self.setWindowTitle("OFDM 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", "tx_ofdm") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.occupied_carriers = occupied_carriers = ( range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27), ) self.length_tag_key = length_tag_key = "packet_len" self.sync_word2 = sync_word2 = [ 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0 ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.samp_rate = samp_rate = 100000 self.rolloff = rolloff = 0 self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_len = packet_len = 478 self.header_mod = header_mod = digital.constellation_bpsk() self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) self.fft_len = fft_len = 64 ################################################## # Blocks ################################################## self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(('serial= 31DDAA6', "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink_0.set_samp_rate(3000000) self.uhd_usrp_sink_0.set_center_freq(1E9, 0) self.uhd_usrp_sink_0.set_gain(50, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate 'Scope Plot', #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(True) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ['Scope Plot', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] 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(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw 'FFT Plot', #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(True) 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_axis_labels(True) 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_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, length_tag_key) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len / 4, rolloff, length_tag_key) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key) self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( (payload_mod.points()), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( (header_mod.points()), 1) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, length_tag_key, 0) self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False) self.blocks_tag_gate_0.set_single_key("") self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.05, )) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_char * 1, '/home/csy/worktest/spectrum_sense/mydatafile/mydata_v2.log', True) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) ################################################## # Connections ################################################## self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_tag_gate_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
def __init__(self): gr.top_block.__init__(self, "Top Block") Qt.QWidget.__init__(self) self.setWindowTitle("Top Block") 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", "top_block") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = ( range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27), ) self.length_tag_key = length_tag_key = "frame_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.sync_word2 = sync_word2 = [ 0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), 0j, 0j, 0j, 0j, 0j ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.sro = sro = 0 self.samp_rate = samp_rate = 500000 self.samp_per_sym = samp_per_sym = 2 self.rolloff = rolloff = 0 self.pream = pream = (mapper.preamble_generator(32, 511, 1033)).get_preamble() self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len = packet_len = 96 self.header_formatter = header_formatter = digital.packet_header_ofdm( occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) self.frame_width_with_crc32 = frame_width_with_crc32 = 2016 + 32 + 32 self.frame_width = frame_width = 1024 * 2 self.cfo = cfo = 1e-2 self.SNR = SNR = 15 ################################################## # Blocks ################################################## self._sro_range = Range(-1e-1, 1e-1, 1e-3, 0, 200) self._sro_win = RangeWidget(self._sro_range, self.set_sro, 'Sample Rate Offset', "counter_slider", float) self.top_grid_layout.addWidget(self._sro_win) self._cfo_range = Range(-1e-1, 1e-1, 1e-3, 1e-2, 200) self._cfo_win = RangeWidget(self._cfo_range, self.set_cfo, 'Freq Offset', "counter_slider", float) self.top_grid_layout.addWidget(self._cfo_win) self.qtgui_time_sink_x_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate 'Scope Plot', #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(True) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ['', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] 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_time_sink_x_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw 'Tx Spectrum', #name 1 #number of inputs ) self.qtgui_freq_sink_x_0_0.set_update_time(0.10) self.qtgui_freq_sink_x_0_0.set_y_axis(-140, 10) self.qtgui_freq_sink_x_0_0.set_y_label('Relative Gain', 'dB') self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_0_0.enable_autoscale(False) self.qtgui_freq_sink_x_0_0.enable_grid(False) self.qtgui_freq_sink_x_0_0.set_fft_average(1.0) self.qtgui_freq_sink_x_0_0.enable_axis_labels(True) self.qtgui_freq_sink_x_0_0.enable_control_panel(False) if not True: self.qtgui_freq_sink_x_0_0.disable_legend() if "complex" == "float" or "complex" == "msg_float": self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not True) labels = ['Rx Spectrum', '', '', '', '', '', '', '', '', ''] 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_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance( self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw 'Rx Spectrum', #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_axis_labels(True) 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 = ['Rx Spectrum', '', '', '', '', '', '', '', '', ''] 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_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win) self.mapper_prbs_source_b_0 = mapper.prbs_source_b( "PRBS31", packet_len) self.mapper_prbs_sink_b_0 = mapper.prbs_sink_b("PRBS31", packet_len) self.digital_ofdm_tx_0 = digital.ofdm_tx( fft_len=fft_len, cp_len=fft_len / 4, packet_length_tag_key=packet_length_tag_key, occupied_carriers=occupied_carriers, pilot_carriers=pilot_carriers, pilot_symbols=pilot_symbols, sync_word1=sync_word1, sync_word2=sync_word2, bps_header=1, bps_payload=2, rolloff=0, debug_log=True, scramble_bits=False) self.digital_ofdm_rx_0 = digital.ofdm_rx( fft_len=fft_len, cp_len=fft_len / 4, frame_length_tag_key='frame_' + "length", packet_length_tag_key="length", occupied_carriers=occupied_carriers, pilot_carriers=pilot_carriers, pilot_symbols=pilot_symbols, sync_word1=sync_word1, sync_word2=sync_word2, bps_header=1, bps_payload=2, debug_log=False, scramble_bits=False) self.channels_channel_model_0 = channels.channel_model( noise_voltage=0.1, frequency_offset=cfo, epsilon=1.0 + sro, taps=(1.0, ), noise_seed=0, block_tags=True) self.blocks_uchar_to_float_0 = blocks.uchar_to_float() self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, packet_length_tag_key) self._SNR_tool_bar = Qt.QToolBar(self) self._SNR_tool_bar.addWidget(Qt.QLabel('SNR' + ": ")) self._SNR_line_edit = Qt.QLineEdit(str(self.SNR)) self._SNR_tool_bar.addWidget(self._SNR_line_edit) self._SNR_line_edit.returnPressed.connect(lambda: self.set_SNR( eng_notation.str_to_num(str(self._SNR_line_edit.text().toAscii()))) ) self.top_grid_layout.addWidget(self._SNR_tool_bar) ################################################## # Connections ################################################## self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_ofdm_tx_0, 0)) self.connect((self.blocks_throttle_0_0, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_uchar_to_float_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.digital_ofdm_rx_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.digital_ofdm_rx_0, 0), (self.blocks_uchar_to_float_0, 0)) self.connect((self.digital_ofdm_rx_0, 0), (self.mapper_prbs_sink_b_0, 0)) self.connect((self.digital_ofdm_tx_0, 0), (self.blocks_throttle_0_0, 0)) self.connect((self.digital_ofdm_tx_0, 0), (self.qtgui_freq_sink_x_0_0, 0)) self.connect((self.mapper_prbs_source_b_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
def __init__(self, doc, ip="127.0.0.1"): gr.top_block.__init__(self, "RL Demod training") self.doc = doc self.plot_lst = [] self.widget_lst = [] ################################################## # Parameters ################################################## self.ip = ip ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.packet_length_tag_key = packet_length_tag_key = "packet_length" self.occupied_carriers = occupied_carriers = ( list(range(-22, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 23)), ) self.length_tag_key_0 = length_tag_key_0 = "frame_len" self.length_tag_key = length_tag_key = "packet_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.errors = errors = 0 self.bits_per_symbol = bits_per_symbol = 4 self.ber = ber = 0 self.variable_qtgui_label_0_0_val = variable_qtgui_label_0_0 = ber self.variable_qtgui_label_0_val = variable_qtgui_label_0 = errors self.variable_0 = variable_0 = len(occupied_carriers[0]) self.training_mod = training_mod = 1 self.timestamp = timestamp = '1' self.t_state = t_state = 1 self.sync_word2 = sync_word2 = [ 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0 ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.snr_stop = snr_stop = 29 self.snr_step = snr_step = 0.5 self.snr_start = snr_start = 0 self.samp_rate = samp_rate = 0.3e6 self.rx_lr = rx_lr = -2 self.rolloff = rolloff = 0 self.puncpat = puncpat = '11' self.payload_mod = payload_mod = digital.qam_constellation( constellation_points=2**bits_per_symbol) self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_static( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len = packet_len = 400 self.mag = mag = 10 self.ldpc_enc = ldpc_enc = fec.ldpc_encoder_make( gr.prefix() + "/share/gnuradio/fec/ldpc/" + "n_0100_k_0042_gap_02.alist") self.ldpc_dec = ldpc_dec = fec.ldpc_decoder.make( gr.prefix() + "/share/gnuradio/fec/ldpc/" + "n_0100_k_0042_gap_02.alist", 0.5, 50) self.header_formatter = header_formatter = digital.packet_header_ofdm( occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key_0, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=8, scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) self.gain_rx = gain_rx = 5 self.freq = freq = 900e6 self.bits_per_symbol_0 = bits_per_symbol_0 = len(occupied_carriers[0]) ################################################## # Blocks ################################################## self.training_mod_textbox = bokehgui.textbox( self.widget_lst, str(1), 'Alternate training every' + ": ") self.training_mod_textbox.add_callback( lambda attr, old, new: self.set_training_mod(int(new))) self._t_state_options = [ 1, 0, ] self._t_state_labels = [ 'On', 'Off', ] self.t_state_radiobutton = bokehgui.radiobutton(self.widget_lst, None, self._t_state_labels, inline=True) self.t_state_radiobutton.add_callback( lambda new: self.set_t_state(int(self._t_state_options[new]))) self.rx_lr_slider = bokehgui.slider(self.widget_lst, 'RX Learning rate (log)' + ":", -5, 0, 0.1, 1, -2) self.rx_lr_slider.add_callback( lambda attr, old, new: self.set_rx_lr(new)) self.mag_slider = bokehgui.slider(self.widget_lst, 'Eb/N0' + ":", 0, 40, 0.1, 1, 10) self.mag_slider.add_callback(lambda attr, old, new: self.set_mag(new)) self.learning_ber_bf_0 = learning.ber_bf(False, 100, -7.0, 1) self.gain_rx_slider = bokehgui.slider(self.widget_lst, 'Amplitude Rx' + ":", 0, 90, 0.5, 1, 5) self.gain_rx_slider.add_callback( lambda attr, old, new: self.set_gain_rx(new)) self.blocks_probe_signal_x_0 = blocks.probe_signal_f() self.zeromq_sub_msg_source_0_0 = zeromq.sub_msg_source( "tcp://" + ip + ":50001", 1000) self.zeromq_pub_msg_sink_0_0_0 = zeromq.pub_msg_sink( 'tcp://*:50002', 1000) self.variable_qtgui_label_0_0 = bokehgui.label( self.widget_lst, str(variable_qtgui_label_0_0), 'BER' + ": ") self.variable_qtgui_label_0 = bokehgui.label( self.widget_lst, str(variable_qtgui_label_0), 'Error count' + ": ") self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0, 1)), ), ) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_source_0.set_center_freq(freq, 0) self.uhd_usrp_source_0.set_antenna("TX/RX", 0) self.uhd_usrp_source_0.set_rx_agc(False, 0) self.uhd_usrp_source_0.set_gain(gain_rx, 0) self.timestamp_textbox = bokehgui.textbox(self.widget_lst, str('1'), 'Load timestamp' + ": ") self.timestamp_textbox.add_callback( lambda attr, old, new: self.set_timestamp(str(new))) self.learning_dl_demod_0 = learning.dl_demod( 'packet_num', False, bits_per_symbol, packet_len, 20, training_mod, 10**rx_lr, t_state, '/home/cyrille/Gnu-Radio/modules/gr-learning/examples/saved_models' ) self.learning_align_0 = learning.align('packet_num', packet_len, 1, 48) self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (), True, 1) def _errors_probe(): while True: val = self.learning_ber_bf_0.total_errors() try: self.set_errors(val) except AttributeError: pass time.sleep(1.0 / (0.5)) _errors_thread = threading.Thread(target=_errors_probe) _errors_thread.daemon = True _errors_thread.start() self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b( header_formatter.base()) self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb( fft_len, fft_len // 4, False, 0.9) self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key_0, packet_length_tag_key, 1, '', True) self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key_0, '', 0, '', True) self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc( payload_equalizer.base(), fft_len // 4, length_tag_key_0, True, 0) self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc( header_equalizer.base(), fft_len // 4, length_tag_key_0, True, 1) self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc( sync_word1, sync_word2, 1, 0, 3, False) self.digital_header_payload_demux_0 = digital.header_payload_demux( 3, fft_len, fft_len // 4, length_tag_key_0, "", True, gr.sizeof_gr_complex, "rx_time", int(samp_rate), (), 0) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( header_mod.base()) self.bokehgui_time_sink_x_0 = bokehgui.time_sink_f_proc( 1024, samp_rate, "Decoded minus label", 1) self.bokehgui_time_sink_x_0_plot = bokehgui.time_sink_f( self.doc, self.plot_lst, self.bokehgui_time_sink_x_0, is_message=False) labels = ['', '', '', '', '', '', '', '', '', ''] legend_list = [] for i in range(1): if len(labels[i]) == 0: legend_list.append("Data {0}".format(i)) else: legend_list.append(labels[i]) self.bokehgui_time_sink_x_0_plot.initialize(log_x=False, log_y=False, update_time=500, legend_list=legend_list) self.bokehgui_time_sink_x_0_plot.set_y_axis([-10, 10]) self.bokehgui_time_sink_x_0_plot.set_y_label('Difference' + '(' + "" + ')') self.bokehgui_time_sink_x_0_plot.set_x_label('Symbol' + '(' + "" + ')') self.bokehgui_time_sink_x_0_plot.enable_tags(-1, True) self.bokehgui_time_sink_x_0_plot.set_trigger_mode( bokehgui.TRIG_MODE_FREE, bokehgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.bokehgui_time_sink_x_0_plot.enable_grid(False) self.bokehgui_time_sink_x_0_plot.enable_axis_labels(True) self.bokehgui_time_sink_x_0_plot.disable_legend(not True) self.bokehgui_time_sink_x_0_plot.set_layout(*((2, 0, 1, 3))) colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "blue", "blue", "blue" ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] styles = [ "solid", "solid", "solid", "solid", "solid", "solid", "solid", "solid", "solid", "solid" ] markers = [None, None, None, None, None, None, None, None, None, None] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): self.bokehgui_time_sink_x_0_plot.format_line( i, colors[i], widths[i], styles[i], markers[i], alphas[i]) self.bokehgui_time_const_x_0 = bokehgui.time_sink_c_proc( 1024, samp_rate, "Received noisy constellation", 1) self.bokehgui_time_const_x_0_plot = bokehgui.const_sink_c( self.doc, self.plot_lst, self.bokehgui_time_const_x_0, is_message=False) labels = ['', '', '', '', '', '', '', '', '', ''] legend_list = [] for i in range(1): if len(labels[i]) == 0: if (i % 2 == 0): legend_list.append("Re{{Data {0}}}".format(i / 2)) else: legend_list.append("Im{{Data {0}}}".format(i / 2)) else: legend_list.append(labels[i]) self.bokehgui_time_const_x_0_plot.initialize(update_time=500, legend_list=legend_list) self.bokehgui_time_const_x_0_plot.set_y_axis([-2, 2]) self.bokehgui_time_const_x_0_plot.set_y_label('Q Channel' + '(' + "" + ')') self.bokehgui_time_const_x_0_plot.set_x_label('I Channel' + '(' + "" + ')') self.bokehgui_time_const_x_0_plot.enable_tags(-1, False) self.bokehgui_time_const_x_0_plot.set_trigger_mode( bokehgui.TRIG_MODE_FREE, bokehgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.bokehgui_time_const_x_0_plot.enable_grid(True) self.bokehgui_time_const_x_0_plot.enable_axis_labels(True) self.bokehgui_time_const_x_0_plot.disable_legend(not True) self.bokehgui_time_const_x_0_plot.set_layout(*((0, 1, 2, 2))) colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "blue", "blue", "blue" ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = ['o', 'o', 'o', 'o', 'o', 'o', 'o', 'o', 'o', 'o'] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): self.bokehgui_time_const_x_0_plot.format_line( i, colors[i], widths[i], 'None', markers[i], alphas[i]) self.bokehgui_frequency_sink_x_0 = bokehgui.freq_sink_c_proc( 1024, firdes.WIN_BLACKMAN_hARRIS, freq, samp_rate, "Rx signal", 1) self.bokehgui_frequency_sink_x_0_plot = bokehgui.freq_sink_c( self.doc, self.plot_lst, self.bokehgui_frequency_sink_x_0, is_message=False) labels = ['', '', '', '', '', '', '', '', '', ''] legend_list = [] for i in range(1): if len(labels[i]) == 0: legend_list.append("Data {0}".format(i)) else: legend_list.append(labels[i]) self.bokehgui_frequency_sink_x_0_plot.initialize( update_time=100, legend_list=legend_list) self.bokehgui_frequency_sink_x_0_plot.set_y_axis([-140, 10]) self.bokehgui_frequency_sink_x_0_plot.set_y_label('Relative Gain' + '(' + 'dB' + ')') self.bokehgui_frequency_sink_x_0_plot.set_x_label('Frequency' + '(' + "Hz" + ')') self.bokehgui_frequency_sink_x_0_plot.set_trigger_mode( bokehgui.TRIG_MODE_FREE, 0.0, 0, "") self.bokehgui_frequency_sink_x_0_plot.enable_grid(False) self.bokehgui_frequency_sink_x_0_plot.enable_axis_labels(True) self.bokehgui_frequency_sink_x_0_plot.disable_legend(not True) self.bokehgui_frequency_sink_x_0_plot.set_layout(*((3, 0, 1, 3))) self.bokehgui_frequency_sink_x_0_plot.enable_max_hold() colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue" ] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] styles = [ "solid", "solid", "solid", "solid", "solid", "solid", "solid", "solid", "solid", "solid" ] markers = [None, None, None, None, None, None, None, None, None, None] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in range(1): self.bokehgui_frequency_sink_x_0_plot.format_line( i, colors[i], widths[i], styles[i], markers[i], alphas[i]) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_repack_bits_bb_0_0_1_1 = blocks.repack_bits_bb( bits_per_symbol, 1, '', False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0_1 = blocks.repack_bits_bb( bits_per_symbol, 1, '', False, gr.GR_LSB_FIRST) self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream( blocks.byte_t, 'packet_len') self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float * bits_per_symbol) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + 0 * (fft_len // 4) + 10) self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1) self.blocks_add_xx_0 = blocks.add_vcc(1) def _ber_probe(): while True: val = self.blocks_probe_signal_x_0.level() try: self.set_ber(val) except AttributeError: pass time.sleep(1.0 / (0.5)) _ber_thread = threading.Thread(target=_ber_probe) _ber_thread.daemon = True _ber_thread.start() self.analog_noise_source_x_0 = analog.noise_source_c( analog.GR_GAUSSIAN, np.sqrt(10**(np.log10(1 / bits_per_symbol) - (mag / 10.0))) * 1, -1) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc( -2.0 / fft_len) if self.widget_lst: input_t = bokehgui.bokeh_layout.widgetbox(self.widget_lst) widgetbox = bokehgui.bokeh_layout.WidgetLayout(input_t) widgetbox.set_layout(*((0, 0, 2, 1))) list_obj = [widgetbox] + self.plot_lst else: list_obj = self.plot_lst layout_t = bokehgui.bokeh_layout.create_layout(list_obj, "stretch_both") self.doc.add_root(layout_t) ################################################## # Connections ################################################## self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data')) self.msg_connect((self.learning_dl_demod_0, 'losses'), (self.zeromq_pub_msg_sink_0_0_0, 'in')) self.msg_connect((self.zeromq_sub_msg_source_0_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus')) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.blocks_add_xx_0, 0), (self.bokehgui_time_const_x_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.learning_align_0, 0)) self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.learning_align_0, 1)) self.connect((self.blocks_repack_bits_bb_0_0_1, 0), (self.learning_ber_bf_0, 1)) self.connect((self.blocks_repack_bits_bb_0_0_1_1, 0), (self.learning_ber_bf_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.bokehgui_time_sink_x_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0)) self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.blocks_add_xx_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0)) self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0)) self.connect((self.learning_align_0, 1), (self.learning_dl_demod_0, 1)) self.connect((self.learning_align_0, 0), (self.learning_dl_demod_0, 0)) self.connect((self.learning_ber_bf_0, 0), (self.blocks_probe_signal_x_0, 0)) self.connect((self.learning_dl_demod_0, 1), (self.blocks_char_to_float_0_0, 0)) self.connect((self.learning_dl_demod_0, 2), (self.blocks_char_to_float_0_0_0, 0)) self.connect((self.learning_dl_demod_0, 0), (self.blocks_null_sink_0, 0)) self.connect((self.learning_dl_demod_0, 2), (self.blocks_repack_bits_bb_0_0_1, 0)) self.connect((self.learning_dl_demod_0, 1), (self.blocks_repack_bits_bb_0_0_1_1, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.blocks_delay_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.bokehgui_frequency_sink_x_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))
def __init__(self, input_port_num="55555", output_port_num="55556", rx_bw=0.5e6, rx_freq=2e9, rx_gain=0.8, serial_num="31C9237", tx_bw=0.5e6, tx_freq=2.0e9, tx_gain=1): gr.top_block.__init__(self, "tranceiver_ofdm_usrp") Qt.QWidget.__init__(self) self.setWindowTitle("tranceiver_ofdm_usrp") 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", "tranceiver_ofdm_usrp") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Parameters ################################################## self.input_port_num = input_port_num self.output_port_num = output_port_num self.rx_bw = rx_bw self.rx_freq = rx_freq self.rx_gain = rx_gain self.serial_num = serial_num self.tx_bw = tx_bw self.tx_freq = tx_freq self.tx_gain = tx_gain ################################################## # Variables ################################################## self.rep = rep = 3 self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = ( list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)), ) self.length_tag_key = length_tag_key = "frame_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.sync_word2 = sync_word2 = [ 0j, 0j, 0j, 0j, 0j, 0j, (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), 0j, (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), (-1 + 0j), 0j, 0j, 0j, 0j, 0j ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.samp_rate = samp_rate = 10000 self.rolloff = rolloff = 0 self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len = packet_len = 256 self.out_buf_size = out_buf_size = 15000 self.header_formatter = header_formatter = digital.packet_header_ofdm( occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) self.enc_rep = enc_rep = fec.repetition_encoder_make(8000, rep) self.dec_rep = dec_rep = fec.repetition_decoder.make(8000, rep, 0.5) self.FEC_rate = FEC_rate = 1 / 2 ################################################## # Blocks ################################################## self.zeromq_sub_source_0 = zeromq.sub_source( gr.sizeof_char, 1, "tcp://127.0.0.1:" + input_port_num, 100, False, -1, '') self.zeromq_pub_sink_0 = zeromq.pub_sink(gr.sizeof_char, 1, "tcp://127.0.0.1:55556", 100, False, -1, '') self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0, 1)), ), ) self.uhd_usrp_source_0.set_samp_rate(rx_bw) self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_source_0.set_center_freq(rx_freq, 0) self.uhd_usrp_source_0.set_antenna('RX2', 0) self.uhd_usrp_source_0.set_power_reference(rx_gain, 0) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=list(range(0, 1)), ), packet_length_tag_key, ) self.uhd_usrp_sink_0.set_samp_rate(tx_bw) self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0.set_center_freq(tx_freq, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0.set_power_reference(tx_gain, 0) self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (), True, 1) self.fec_async_encoder_0 = fec.async_encoder(enc_rep, True, True, True, 1500) self.fec_async_decoder_0 = fec.async_decoder(dec_rep, True, True, 1500) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, packet_length_tag_key) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b( header_formatter.base()) self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb( fft_len, fft_len // 4, False, 0.9) self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, packet_length_tag_key, 1, '', True) self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key, '', 0, '', True) self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc( payload_equalizer.base(), fft_len // 4, length_tag_key, True, 0) self.digital_ofdm_frame_equalizer_vcvc_1.set_min_output_buffer(15000) self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc( header_equalizer.base(), fft_len // 4, length_tag_key, True, 1) self.digital_ofdm_frame_equalizer_vcvc_0.set_min_output_buffer(15000) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len // 4, rolloff, packet_length_tag_key) self.digital_ofdm_cyclic_prefixer_0.set_min_output_buffer(15000) self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc( sync_word1, sync_word2, 1, 0, 3, False) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), packet_length_tag_key, True) self.digital_ofdm_carrier_allocator_cvc_0.set_min_output_buffer(15000) self.digital_map_bb_0 = digital.map_bb([-1, 1]) self.digital_header_payload_demux_0 = digital.header_payload_demux( 3, fft_len, fft_len // 4, length_tag_key, "", True, gr.sizeof_gr_complex, "rx_time", samp_rate, (), 0) self.digital_header_payload_demux_0.set_min_output_buffer(15000) self.digital_crc32_bb_0_0 = digital.crc32_bb(False, packet_length_tag_key, True) self.digital_crc32_bb_0 = digital.crc32_bb(True, packet_length_tag_key, True) self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb( payload_mod.base()) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( header_mod.base()) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( payload_mod.points(), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( header_mod.points(), 1) self.blocks_tagged_stream_to_pdu_1 = blocks.tagged_stream_to_pdu( blocks.float_t, packet_length_tag_key) self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu( blocks.byte_t, packet_length_tag_key) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, packet_length_tag_key, 0) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, packet_length_tag_key) self.blocks_repack_bits_bb_0_3_1 = blocks.repack_bits_bb( 8, 1, 'packet_len', True, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_1 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), packet_length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, 1, packet_length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( payload_mod.bits_per_symbol(), 8, packet_length_tag_key, True, gr.GR_LSB_FIRST) self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream( blocks.byte_t, packet_length_tag_key) self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream( blocks.byte_t, packet_length_tag_key) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(0.05) self.blocks_file_sink_0_0_0_0_0_0_0 = blocks.file_sink( gr.sizeof_char * 1, '/root/repos/usrp-utils/archive/post_encoding.bin', False) self.blocks_file_sink_0_0_0_0_0_0_0.set_unbuffered(True) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + fft_len // 4) self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc( -2.0 / fft_len) ################################################## # Connections ################################################## self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.fec_async_encoder_0, 'in')) self.msg_connect((self.blocks_tagged_stream_to_pdu_1, 'pdus'), (self.fec_async_decoder_0, 'in')) self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data')) self.msg_connect((self.fec_async_decoder_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus')) self.msg_connect((self.fec_async_encoder_0, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus')) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_char_to_float_0_1, 0), (self.blocks_tagged_stream_to_pdu_1, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_file_sink_0_0_0_0_0_0_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_repack_bits_bb_0_1, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_repack_bits_bb_0_3_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_repack_bits_bb_0_1, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_3_1, 0), (self.digital_map_bb_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.digital_constellation_decoder_cb_1, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.zeromq_pub_sink_0, 0)) self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0)) self.connect((self.digital_map_bb_0, 0), (self.blocks_char_to_float_0_1, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0)) self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.digital_constellation_decoder_cb_1, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.blocks_delay_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0)) self.connect((self.zeromq_sub_source_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
def __init__(self): gr.top_block.__init__(self, "Top Block") Qt.QWidget.__init__(self) self.setWindowTitle("Top Block") 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", "top_block") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.occupied_carriers = occupied_carriers = ( range(-26, -21) + range(-20, -7) + range(-6, 0) + range(1, 7) + range(8, 21) + range(22, 27), ) self.length_tag_key = length_tag_key = "packet_len" self.sync_word2 = sync_word2 = [ 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0 ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.samp_rate = samp_rate = 100000 self.rolloff = rolloff = 0 self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_len = packet_len = 478 self.mysamp_rate = mysamp_rate = 50000000 self.min_singnal_var0 = min_singnal_var0 = 0 self.header_mod = header_mod = digital.constellation_bpsk() self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) self.gain = gain = 0 self.fft_len = fft_len = 64 self.N_fft = N_fft = 1024 ################################################## # Blocks ################################################## self.min_signal0 = blocks.probe_signal_f() def _min_singnal_var0_probe(): while True: val = self.min_signal0.level() try: self.set_min_singnal_var0(val) except AttributeError: pass time.sleep(1.0 / (10)) _min_singnal_var0_thread = threading.Thread( target=_min_singnal_var0_probe) _min_singnal_var0_thread.daemon = True _min_singnal_var0_thread.start() self._gain_range = Range(0, 74, 1, 0, 200) self._gain_win = RangeWidget(self._gain_range, self.set_gain, 'gain', "counter_slider", float) self.top_grid_layout.addWidget(self._gain_win) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("serial=31DDABF", "")), 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(2.402e9, 0) self.uhd_usrp_source_0.set_gain(gain, 0) self.uhd_usrp_source_0.set_antenna('TX/RX', 0) self.uhd_usrp_source_0.set_auto_dc_offset(True, 0) self.uhd_usrp_source_0.set_auto_iq_balance(True, 0) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(('serial= 31DDAA6', "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_sink_0.set_samp_rate(3000000) self.uhd_usrp_sink_0.set_center_freq(1E9, 0) self.uhd_usrp_sink_0.set_gain(50, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1024, #size samp_rate, #samp_rate 'Scope Plot', #name 1 #number of inputs ) self.qtgui_time_sink_x_0.set_update_time(0.10) self.qtgui_time_sink_x_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0.enable_tags(-1, True) self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "") self.qtgui_time_sink_x_0.enable_autoscale(True) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_axis_labels(True) self.qtgui_time_sink_x_0.enable_control_panel(False) self.qtgui_time_sink_x_0.enable_stem_plot(False) if not True: self.qtgui_time_sink_x_0.disable_legend() labels = ['Scope Plot', '', '', '', '', '', '', '', '', ''] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = [ "blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue" ] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] 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(2): if len(labels[i]) == 0: if (i % 2 == 0): self.qtgui_time_sink_x_0.set_line_label( i, "Re{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label( i, "Im{{Data {0}}}".format(i / 2)) else: self.qtgui_time_sink_x_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw 'FFT Plot', #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(True) 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_axis_labels(True) 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_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win) self.fft_vxx_1 = fft.fft_vcc(N_fft, True, (window.blackmanharris(N_fft)), False, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (()), True, 1) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, length_tag_key) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len / 4, rolloff, length_tag_key) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key) self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( (payload_mod.points()), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( (header_mod.points()), 1) self.blocks_vector_to_stream_0 = blocks.vector_to_stream( gr.sizeof_float * 1, N_fft) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, length_tag_key, 0) self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False) self.blocks_tag_gate_0.set_single_key("") self.blocks_stream_to_vector_0 = blocks.stream_to_vector( gr.sizeof_gr_complex * 1, N_fft) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_nlog10_ff_0_0 = blocks.nlog10_ff(10, 1, 0) self.blocks_nlog10_ff_0 = blocks.nlog10_ff(10, 1, -1 * min_singnal_var0) self.blocks_multiply_const_vxx_0_2 = blocks.multiply_const_vcc( (0.05, )) self.blocks_multiply_const_vxx_0_1 = blocks.multiply_const_vff( (N_fft / 50e6, )) self.blocks_multiply_const_vxx_0_0_0 = blocks.multiply_const_vff( (N_fft / 50e6, )) self.blocks_min_xx_0 = blocks.min_ff(N_fft, 1) self.blocks_float_to_uchar_0 = blocks.float_to_uchar() self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared( N_fft) ################################################## # Connections ################################################## self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_min_xx_0, 0)) self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_vector_to_stream_0, 0)) self.connect((self.blocks_float_to_uchar_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_min_xx_0, 0), (self.blocks_multiply_const_vxx_0_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_0_0, 0), (self.blocks_nlog10_ff_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_1, 0), (self.blocks_nlog10_ff_0, 0)) self.connect((self.blocks_multiply_const_vxx_0_2, 0), (self.blocks_tag_gate_0, 0)) self.connect((self.blocks_nlog10_ff_0, 0), (self.blocks_float_to_uchar_0, 0)) self.connect((self.blocks_nlog10_ff_0_0, 0), (self.min_signal0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_stream_to_vector_0, 0), (self.fft_vxx_1, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.qtgui_freq_sink_x_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.qtgui_time_sink_x_0, 0)) self.connect((self.blocks_tag_gate_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.blocks_vector_to_stream_0, 0), (self.blocks_multiply_const_vxx_0_1, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0_2, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.fft_vxx_1, 0), (self.blocks_complex_to_mag_squared_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.blocks_stream_to_vector_0, 0))
def __init__(self): gr.top_block.__init__(self, "OFDM_TX_RX_1") Qt.QWidget.__init__(self) self.setWindowTitle("OFDM_TX_RX_1") 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", "OFDM_TX_RX_1") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_len" self.occupied_carriers = occupied_carriers = ( list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)), ) self.length_tag_key_rx = length_tag_key_rx = "frame_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.sync_word2 = sync_word2 = [ 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0 ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.samp_rate = samp_rate = 1000000 self.rolloff = rolloff = 0 self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len = packet_len = 30 self.length_tag_key = length_tag_key = "packet_len" self.header_len = header_len = 10 self.header_formatter = header_formatter = digital.packet_header_ofdm( occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key_rx, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) ################################################## # Blocks ################################################## self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=[], ), '', ) self.uhd_usrp_sink_0.set_center_freq(3.555e9, 0) self.uhd_usrp_sink_0.set_gain(31, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0.set_bandwidth(0.5e6, 0) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec()) self.fft_vxx_0 = fft.fft_vcc(fft_len, False, (), True, 1) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ), length_tag_key) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + 16, rolloff, length_tag_key) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key, True) self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key, True) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( payload_mod.points(), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( header_mod.points(), 1) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, length_tag_key, 0) self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(0.05) self.blocks_file_source_0 = blocks.file_source( gr.sizeof_char * 1, '/local/repository/gnuradio/file_to_transmit.txt', False, 0, 0) self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL) ################################################## # Connections ################################################## self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_to_tagged_stream_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0)) self.connect((self.digital_crc32_bb_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0))
def __init__(self): gr.top_block.__init__(self, "DL Demod training") Qt.QWidget.__init__(self) self.setWindowTitle("DL Demod training") 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", "ofdm_base") try: if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"): self.restoreGeometry( self.settings.value("geometry").toByteArray()) else: self.restoreGeometry(self.settings.value("geometry")) except: pass ################################################## # Variables ################################################## self.pilot_symbols = pilot_symbols = (( 1, 1, 1, -1, ), ) self.pilot_carriers = pilot_carriers = (( -21, -7, 7, 21, ), ) self.payload_mod = payload_mod = digital.constellation_qpsk() self.packet_length_tag_key = packet_length_tag_key = "packet_length" self.occupied_carriers = occupied_carriers = ( list(range(-26, -21)) + list(range(-20, -7)) + list(range(-6, 0)) + list(range(1, 7)) + list(range(8, 21)) + list(range(22, 27)), ) self.length_tag_key_0 = length_tag_key_0 = "frame_len" self.length_tag_key = length_tag_key = "packet_len" self.header_mod = header_mod = digital.constellation_bpsk() self.fft_len = fft_len = 64 self.errors = errors = 0 self.variable_qtgui_label_0 = variable_qtgui_label_0 = errors self.training_mod = training_mod = 10 self.sync_word2 = sync_word2 = [ 0, 0, 0, 0, 0, 0, -1, -1, -1, -1, 1, 1, -1, -1, -1, 1, -1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, 1, -1, -1, 1, -1, 0, 1, -1, 1, 1, 1, -1, 1, 1, 1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, -1, 1, -1, -1, -1, -1, 0, 0, 0, 0, 0 ] self.sync_word1 = sync_word1 = [ 0., 0., 0., 0., 0., 0., 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., -1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., -1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 1.41421356, 0., 0., 0., 0., 0., 0. ] self.stop_button = stop_button = 0 self.stop_button_args = stop_button_args = None self.start_button = start_button = 0 self.start_button_args = start_button_args = None self.snr_stop = snr_stop = 12 self.snr_step = snr_step = 0.2 self.snr_start = snr_start = -4 self.samp_rate = samp_rate = 1e6 self.rolloff = rolloff = 0 self.reset_ber = reset_ber = 0 self.reset_ber_args = reset_ber_args = None self.reset = reset = 0 self.reset_args = reset_args = None self.payload_equalizer = payload_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, payload_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols, 1) self.packet_len = packet_len = 256 self.mag = mag = -4 self.header_formatter = header_formatter = digital.packet_header_ofdm( occupied_carriers, n_syms=1, len_tag_key=packet_length_tag_key, frame_len_tag_key=length_tag_key_0, bits_per_header_sym=header_mod.bits_per_symbol(), bits_per_payload_sym=payload_mod.bits_per_symbol(), scramble_header=False) self.header_equalizer = header_equalizer = digital.ofdm_equalizer_simpledfe( fft_len, header_mod.base(), occupied_carriers, pilot_carriers, pilot_symbols) self.hdr_format = hdr_format = digital.header_format_ofdm( occupied_carriers, 1, length_tag_key, ) self.gain_rx = gain_rx = 0 self.gain = gain = 30 self.freq = freq = 900e6 ################################################## # Blocks ################################################## self._training_mod_tool_bar = Qt.QToolBar(self) self._training_mod_tool_bar.addWidget( Qt.QLabel('Alternate training every' + ": ")) self._training_mod_line_edit = Qt.QLineEdit(str(self.training_mod)) self._training_mod_tool_bar.addWidget(self._training_mod_line_edit) self._training_mod_line_edit.returnPressed.connect( lambda: self.set_training_mod( int(str(self._training_mod_line_edit.text())))) self.top_grid_layout.addWidget(self._training_mod_tool_bar, 4, 0, 1, 1) for r in range(4, 5): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) self._mag_range = Range(snr_start, 20, 0.01, -4, 200) self._mag_win = RangeWidget(self._mag_range, self.set_mag, 'Magnitude', "counter_slider", float) self.top_grid_layout.addWidget(self._mag_win, 2, 0, 2, 2) for r in range(2, 4): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 2): self.top_grid_layout.setColumnStretch(c, 1) self.learning_sweeper_0 = learning.sweeper( self, np.arange(snr_start, snr_stop, snr_step), 200, 'learning_ber_bf_0', 'blocks_probe_signal_x_0', self.set_mag) self.learning_dl_demod_0 = learning.dl_demod('packet_num', packet_len * 4, 16, training_mod, 0.05) self.learning_ber_bf_0 = learning.ber_bf(False, 100, -7.0, 2) self._gain_rx_range = Range(0, 90, .2, 0, 200) self._gain_rx_win = RangeWidget(self._gain_rx_range, self.set_gain_rx, 'Amplitude Rx', "counter_slider", float) self.top_grid_layout.addWidget(self._gain_rx_win, 0, 2, 2, 1) for r in range(0, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self._gain_range = Range(0, 90, .2, 30, 200) self._gain_win = RangeWidget(self._gain_range, self.set_gain, 'Amplitude', "counter_slider", float) self.top_grid_layout.addWidget(self._gain_win, 0, 0, 2, 2) for r in range(0, 2): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 2): self.top_grid_layout.setColumnStretch(c, 1) self._variable_qtgui_label_0_tool_bar = Qt.QToolBar(self) if None: self._variable_qtgui_label_0_formatter = None else: self._variable_qtgui_label_0_formatter = lambda x: str(x) self._variable_qtgui_label_0_tool_bar.addWidget( Qt.QLabel('Error count' + ": ")) self._variable_qtgui_label_0_label = Qt.QLabel( str( self._variable_qtgui_label_0_formatter( self.variable_qtgui_label_0))) self._variable_qtgui_label_0_tool_bar.addWidget( self._variable_qtgui_label_0_label) self.top_grid_layout.addWidget(self._variable_qtgui_label_0_tool_bar, 4, 1, 1, 1) for r in range(4, 5): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=[], ), ) self.uhd_usrp_source_0.set_center_freq(freq, 0) self.uhd_usrp_source_0.set_rx_agc(False, 0) self.uhd_usrp_source_0.set_gain(gain_rx, 0) self.uhd_usrp_source_0.set_antenna('RX2', 0) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) self.uhd_usrp_sink_0 = uhd.usrp_sink( ",".join(("", "")), uhd.stream_args( cpu_format="fc32", args='', channels=[], ), '', ) self.uhd_usrp_sink_0.set_center_freq(freq, 0) self.uhd_usrp_sink_0.set_gain(gain, 0) self.uhd_usrp_sink_0.set_antenna('TX/RX', 0) self.uhd_usrp_sink_0.set_samp_rate(samp_rate) self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS) _stop_button_push_button = Qt.QPushButton('&Stop sweep') def stop_button_handler(): if self.stop_button_args is not None: self.set_stop_button(self.learning_sweeper_0.stop_sweep()) else: self.set_stop_button(self.learning_sweeper_0.stop_sweep()) _stop_button_push_button.clicked.connect(stop_button_handler) self.top_grid_layout.addWidget(_stop_button_push_button, 9, 0, 1, 1) for r in range(9, 10): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) _start_button_push_button = Qt.QPushButton('&Start sweep') def start_button_handler(): if self.start_button_args is not None: self.set_start_button(self.learning_sweeper_0.start_sweep()) else: self.set_start_button(self.learning_sweeper_0.start_sweep()) _start_button_push_button.clicked.connect(start_button_handler) self.top_grid_layout.addWidget(_start_button_push_button, 8, 0, 1, 1) for r in range(8, 9): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) _reset_ber_push_button = Qt.QPushButton( "Reset &BER last: {}".format(reset_ber)) def reset_ber_handler(): if self.reset_ber_args is not None: self.set_reset_ber(self.learning_ber_bf_0.reset_counters()) else: self.set_reset_ber(self.learning_ber_bf_0.reset_counters()) _reset_ber_push_button.clicked.connect(reset_ber_handler) self.top_grid_layout.addWidget(_reset_ber_push_button, 5, 1, 1, 1) for r in range(5, 6): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) _reset_push_button = Qt.QPushButton('&Reset model state') def reset_handler(): if self.reset_args is not None: self.set_reset(self.learning_dl_demod_0.reset()) else: self.set_reset(self.learning_dl_demod_0.reset()) _reset_push_button.clicked.connect(reset_handler) self.top_grid_layout.addWidget(_reset_push_button, 5, 0, 1, 1) for r in range(5, 6): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_vector_sink_f_0 = qtgui.vector_sink_f( len(np.arange(snr_start, snr_stop, snr_step)), snr_start, snr_step, "Eb/N0", "BER (log)", "BER Curve", 2 # Number of inputs ) self.qtgui_vector_sink_f_0.set_update_time(0.10) self.qtgui_vector_sink_f_0.set_y_axis(-7, 0) self.qtgui_vector_sink_f_0.enable_autoscale(False) self.qtgui_vector_sink_f_0.enable_grid(False) self.qtgui_vector_sink_f_0.set_x_axis_units("") self.qtgui_vector_sink_f_0.set_y_axis_units("") self.qtgui_vector_sink_f_0.set_ref_level(0) labels = ['Measure', 'Theory', '', '', '', '', '', '', '', ''] 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 range(2): if len(labels[i]) == 0: self.qtgui_vector_sink_f_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_vector_sink_f_0.set_line_label(i, labels[i]) self.qtgui_vector_sink_f_0.set_line_width(i, widths[i]) self.qtgui_vector_sink_f_0.set_line_color(i, colors[i]) self.qtgui_vector_sink_f_0.set_line_alpha(i, alphas[i]) self._qtgui_vector_sink_f_0_win = sip.wrapinstance( self.qtgui_vector_sink_f_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_vector_sink_f_0_win, 8, 1, 2, 1) for r in range(8, 10): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 2): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f( 1024, #size samp_rate, #samp_rate 'Scope Plot', #name 1 #number of inputs ) self.qtgui_time_sink_x_0_0.set_update_time(0.10) self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1) self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "") self.qtgui_time_sink_x_0_0.enable_tags(True) self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "packet_num") self.qtgui_time_sink_x_0_0.enable_autoscale(False) self.qtgui_time_sink_x_0_0.enable_grid(False) self.qtgui_time_sink_x_0_0.enable_axis_labels(True) self.qtgui_time_sink_x_0_0.enable_control_panel(False) self.qtgui_time_sink_x_0_0.enable_stem_plot(False) labels = ['Scope Plot', '', '', '', '', '', '', '', '', ''] 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] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] for i in range(1): if len(labels[i]) == 0: self.qtgui_time_sink_x_0_0.set_line_label( i, "Data {0}".format(i)) else: self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i]) self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i]) self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i]) self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i]) self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_sink_x_0_0_win = sip.wrapinstance( self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 6, 1, 2, 2) for r in range(6, 8): self.top_grid_layout.setRowStretch(r, 1) for c in range(1, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_number_sink_1_0 = qtgui.number_sink(gr.sizeof_float, 0, qtgui.NUM_GRAPH_HORIZ, 1) self.qtgui_number_sink_1_0.set_update_time(0.10) self.qtgui_number_sink_1_0.set_title("BER") labels = ['', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in range(1): self.qtgui_number_sink_1_0.set_min(i, 0) self.qtgui_number_sink_1_0.set_max(i, 100) self.qtgui_number_sink_1_0.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_1_0.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_1_0.set_label(i, labels[i]) self.qtgui_number_sink_1_0.set_unit(i, units[i]) self.qtgui_number_sink_1_0.set_factor(i, factor[i]) self.qtgui_number_sink_1_0.enable_autoscale(False) self._qtgui_number_sink_1_0_win = sip.wrapinstance( self.qtgui_number_sink_1_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_number_sink_1_0_win, 4, 2, 2, 1) for r in range(4, 6): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) self.qtgui_number_sink_1 = qtgui.number_sink(gr.sizeof_float, 0.8, qtgui.NUM_GRAPH_HORIZ, 1) self.qtgui_number_sink_1.set_update_time(0.10) self.qtgui_number_sink_1.set_title("Eb/No") labels = ['', '', '', '', '', '', '', '', '', ''] units = ['', '', '', '', '', '', '', '', '', ''] colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")] factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] for i in range(1): self.qtgui_number_sink_1.set_min(i, 0) self.qtgui_number_sink_1.set_max(i, 100) self.qtgui_number_sink_1.set_color(i, colors[i][0], colors[i][1]) if len(labels[i]) == 0: self.qtgui_number_sink_1.set_label(i, "Data {0}".format(i)) else: self.qtgui_number_sink_1.set_label(i, labels[i]) self.qtgui_number_sink_1.set_unit(i, units[i]) self.qtgui_number_sink_1.set_factor(i, factor[i]) self.qtgui_number_sink_1.enable_autoscale(False) self._qtgui_number_sink_1_win = sip.wrapinstance( self.qtgui_number_sink_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_number_sink_1_win, 2, 2, 2, 1) for r in range(2, 4): self.top_grid_layout.setRowStretch(r, 1) for c in range(2, 3): self.top_grid_layout.setColumnStretch(c, 1) 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) 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 range(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_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 6, 0, 2, 1) for r in range(6, 8): self.top_grid_layout.setRowStretch(r, 1) for c in range(0, 1): self.top_grid_layout.setColumnStretch(c, 1) self.learning_tag_numerotation_0 = learning.tag_numerotation( 'packet_num', packet_len * 4, 4096, "bb") self.fft_vxx_1 = fft.fft_vcc(fft_len, True, (), True, 1) self.fft_vxx_0_0 = fft.fft_vcc(fft_len, False, (), True, 1) self.fft_vxx_0 = fft.fft_vcc(fft_len, True, (), True, 1) def _errors_probe(): while True: val = self.learning_ber_bf_0.total_errors() try: self.set_errors(val) except AttributeError: pass time.sleep(1.0 / (10)) _errors_thread = threading.Thread(target=_errors_probe) _errors_thread.daemon = True _errors_thread.start() self.epy_block_0 = epy_block_0.alignement(tag_name="packet_num", frame_size=packet_len * 4) self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb( hdr_format, length_tag_key) self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b( header_formatter.base()) self.digital_ofdm_sync_sc_cfb_0 = digital.ofdm_sync_sc_cfb( fft_len, fft_len // 4, False, 0.95) self.digital_ofdm_serializer_vcc_payload = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key_0, packet_length_tag_key, 1, '', True) self.digital_ofdm_serializer_vcc_header = digital.ofdm_serializer_vcc( fft_len, occupied_carriers, length_tag_key_0, '', 0, '', True) self.digital_ofdm_frame_equalizer_vcvc_1 = digital.ofdm_frame_equalizer_vcvc( payload_equalizer.base(), fft_len // 4, length_tag_key_0, True, 0) self.digital_ofdm_frame_equalizer_vcvc_0 = digital.ofdm_frame_equalizer_vcvc( header_equalizer.base(), fft_len // 4, length_tag_key_0, True, 1) self.digital_ofdm_cyclic_prefixer_0 = digital.ofdm_cyclic_prefixer( fft_len, fft_len + fft_len // 4, rolloff, length_tag_key) self.digital_ofdm_chanest_vcvc_0 = digital.ofdm_chanest_vcvc( sync_word1, sync_word2, 1, 0, 3, False) self.digital_ofdm_carrier_allocator_cvc_0 = digital.ofdm_carrier_allocator_cvc( fft_len, occupied_carriers, pilot_carriers, pilot_symbols, (sync_word1, sync_word2), length_tag_key, True) self.digital_header_payload_demux_0 = digital.header_payload_demux( 3, fft_len, fft_len // 4, length_tag_key_0, "", True, gr.sizeof_gr_complex, "rx_time", int(samp_rate), (), 0) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( header_mod.base()) self.digital_chunks_to_symbols_xx_0_0_0 = digital.chunks_to_symbols_bc( payload_mod.points(), 1) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc( payload_mod.points(), 1) self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc( header_mod.points(), 1) self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux( gr.sizeof_gr_complex * 1, length_tag_key, 0) self.blocks_sub_xx_0_0 = blocks.sub_cc(1) self.blocks_sub_xx_0 = blocks.sub_ff(1) self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream( gr.sizeof_char, 1, packet_len, length_tag_key) self.blocks_repack_bits_bb_0_0_0 = blocks.repack_bits_bb( 8, 1, length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb( 8, payload_mod.bits_per_symbol(), length_tag_key, False, gr.GR_LSB_FIRST) self.blocks_probe_signal_x_0 = blocks.probe_signal_f() self.blocks_nlog10_ff_0 = blocks.nlog10_ff(-10, 1, 10 * np.log10(4 / 2)) self.blocks_multiply_xx_0 = blocks.multiply_vcc(1) self.blocks_multiply_const_xx_0 = blocks.multiply_const_cc(0.05, 1) self.blocks_moving_average_xx_0 = blocks.moving_average_ff( 5000, 1.0 / 5000, 4000, 1) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex * 1, fft_len + fft_len // 4) self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1) self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1) self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1) self.blocks_add_xx_0 = blocks.add_vcc(1) self.analog_random_source_x_0_0 = blocks.vector_source_b( list(map(int, numpy.random.randint(0, 255, 1000))), True) self.analog_noise_source_x_0 = analog.noise_source_c( analog.GR_GAUSSIAN, np.sqrt(10**(np.log10(2) - (mag / 10.0))) * 1, -1) self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc( -2.0 / fft_len) ################################################## # Connections ################################################## self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data')) self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.analog_random_source_x_0_0, 0), (self.blocks_stream_to_tagged_stream_0_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.epy_block_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 0)) self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_sub_xx_0, 0)) self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_sub_xx_0, 1)) self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_moving_average_xx_0, 0)) self.connect((self.blocks_delay_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.blocks_moving_average_xx_0, 0), (self.blocks_nlog10_ff_0, 0)) self.connect((self.blocks_multiply_const_xx_0, 0), (self.uhd_usrp_sink_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.digital_header_payload_demux_0, 0)) self.connect((self.blocks_nlog10_ff_0, 0), (self.qtgui_number_sink_1, 0)) self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.learning_tag_numerotation_0, 0)) self.connect((self.blocks_repack_bits_bb_0_0_0, 0), (self.digital_chunks_to_symbols_xx_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0)) self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.digital_protocol_formatter_bb_0, 0)) self.connect((self.blocks_sub_xx_0, 0), (self.qtgui_time_sink_x_0_0, 0)) self.connect((self.blocks_sub_xx_0_0, 0), (self.blocks_complex_to_mag_squared_0, 0)) self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_ofdm_carrier_allocator_cvc_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1)) self.connect((self.digital_chunks_to_symbols_xx_0_0_0, 0), (self.blocks_sub_xx_0_0, 1)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0)) self.connect((self.digital_header_payload_demux_0, 0), (self.fft_vxx_0, 0)) self.connect((self.digital_header_payload_demux_0, 1), (self.fft_vxx_1, 0)) self.connect((self.digital_ofdm_carrier_allocator_cvc_0, 0), (self.fft_vxx_0_0, 0)) self.connect((self.digital_ofdm_chanest_vcvc_0, 0), (self.digital_ofdm_frame_equalizer_vcvc_0, 0)) self.connect((self.digital_ofdm_cyclic_prefixer_0, 0), (self.blocks_multiply_const_xx_0, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_0, 0), (self.digital_ofdm_serializer_vcc_header, 0)) self.connect((self.digital_ofdm_frame_equalizer_vcvc_1, 0), (self.digital_ofdm_serializer_vcc_payload, 0)) self.connect((self.digital_ofdm_serializer_vcc_header, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.digital_ofdm_serializer_vcc_payload, 0), (self.blocks_add_xx_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 0), (self.analog_frequency_modulator_fc_0, 0)) self.connect((self.digital_ofdm_sync_sc_cfb_0, 1), (self.digital_header_payload_demux_0, 1)) self.connect((self.digital_protocol_formatter_bb_0, 0), (self.blocks_repack_bits_bb_0_0_0, 0)) self.connect((self.epy_block_0, 0), (self.blocks_sub_xx_0_0, 0)) self.connect((self.epy_block_0, 1), (self.digital_chunks_to_symbols_xx_0_0_0, 0)) self.connect((self.epy_block_0, 0), (self.learning_dl_demod_0, 0)) self.connect((self.epy_block_0, 1), (self.learning_dl_demod_0, 1)) self.connect((self.fft_vxx_0, 0), (self.digital_ofdm_chanest_vcvc_0, 0)) self.connect((self.fft_vxx_0_0, 0), (self.digital_ofdm_cyclic_prefixer_0, 0)) self.connect((self.fft_vxx_1, 0), (self.digital_ofdm_frame_equalizer_vcvc_1, 0)) self.connect((self.learning_ber_bf_0, 0), (self.blocks_probe_signal_x_0, 0)) self.connect((self.learning_ber_bf_0, 0), (self.qtgui_number_sink_1_0, 0)) self.connect((self.learning_dl_demod_0, 0), (self.blocks_char_to_float_0_0, 0)) self.connect((self.learning_dl_demod_0, 1), (self.blocks_char_to_float_0_0_0, 0)) self.connect((self.learning_dl_demod_0, 0), (self.learning_ber_bf_0, 0)) self.connect((self.learning_dl_demod_0, 1), (self.learning_ber_bf_0, 1)) self.connect((self.learning_sweeper_0, 0), (self.qtgui_vector_sink_f_0, 0)) self.connect((self.learning_sweeper_0, 1), (self.qtgui_vector_sink_f_0, 1)) self.connect((self.learning_tag_numerotation_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.learning_tag_numerotation_0, 0), (self.epy_block_0, 1)) self.connect((self.uhd_usrp_source_0, 0), (self.blocks_delay_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.digital_ofdm_sync_sc_cfb_0, 0))