def __init__(self, alfa=0.35, samp_per_sym=5, bits_per_sym=2, constellation=[-1-1j,1-1j, 1+1j, -1+1j], len_sym_srrc=7, out_const_mul=0.4): gr.hier_block2.__init__( self, "Hier Tx", gr.io_signature(1, 1, gr.sizeof_char*1), gr.io_signature(1, 1, gr.sizeof_gr_complex*1), ) ################################################## # Parameters ################################################## self.alfa = alfa self.samp_per_sym = samp_per_sym self.bits_per_sym = bits_per_sym self.constellation = constellation self.len_sym_srrc = len_sym_srrc self.out_const_mul = out_const_mul ################################################## # Variables ################################################## self.pulso = pulso = firdes.root_raised_cosine(samp_per_sym,samp_per_sym,1.0,alfa,samp_per_sym*len_sym_srrc) ################################################## # Blocks ################################################## self.pfb_interpolator_ccf_0 = pfb.interpolator_ccf( samp_per_sym, (pulso), 100) self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2**bits_per_sym) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc((constellation), 1) self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(bits_per_sym, gr.GR_MSB_FIRST) self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((out_const_mul, )) if DEBUG: self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "./file_tx_ini", False) self.blocks_file_sink_0.set_unbuffered(True) self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_char*1, "./file_tx_2bits", False) self.blocks_file_sink_1.set_unbuffered(True) self.blocks_file_sink_2 = blocks.file_sink(gr.sizeof_gr_complex*1, "./file_tx_out", False) self.blocks_file_sink_2.set_unbuffered(True) self.blocks_file_sink_3 = blocks.file_sink(gr.sizeof_gr_complex*1, "./file_tx_sym", False) self.blocks_file_sink_3.set_unbuffered(True) ################################################## # Connections ################################################## self.connect((self.pfb_interpolator_ccf_0, 0), (self.blocks_multiply_const_vxx_1, 0)) self.connect((self.digital_diff_encoder_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.pfb_interpolator_ccf_0, 0)) self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.digital_diff_encoder_bb_0, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self, 0)) self.connect((self, 0), (self.blocks_packed_to_unpacked_xx_0, 0)) if DEBUG: self.connect((self, 0), (self.blocks_file_sink_0, 0)) self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.blocks_file_sink_1, 0)) self.connect((self.pfb_interpolator_ccf_0, 0), (self.blocks_file_sink_2, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_file_sink_3, 0))
def __init__(self): gr.top_block.__init__(self, "Polyphase Filter") Qt.QWidget.__init__(self) self.setWindowTitle("Polyphase Filter") 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", "polyphase_filter") self.restoreGeometry(self.settings.value("geometry").toByteArray()) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 300e3 self.K = K = 50 ################################################## # Blocks ################################################## self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c( 4096, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "", #name 2 #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(-200, 0) 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(True) self.qtgui_freq_sink_x_0_0.set_fft_average(0.2) 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 = [ 'Polyphase Filtering', 'Normal FIR Filtering', '', '', '', '', '', '', '', '' ] 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(2): 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_layout.addWidget(self._qtgui_freq_sink_x_0_0_win) self.pfb_interpolator_ccf_0 = pfb.interpolator_ccf(K, (), 100) self.pfb_interpolator_ccf_0.declare_sample_delay(0) self.pfb_decimator_ccf_0 = pfb.decimator_ccf(K, (), 0, 100, True, True) self.pfb_decimator_ccf_0.declare_sample_delay(0) self.fir_filter_xxx_0 = filter.fir_filter_ccc(1, (firdes.low_pass( 1, 1.0, 1.0 / (2 * K), 1.0 / (20 * K), firdes.WIN_BLACKMAN))) self.fir_filter_xxx_0.declare_sample_delay(0) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate, True) self.analog_noise_source_x_0 = analog.noise_source_c( analog.GR_GAUSSIAN, 1, 0) ################################################## # Connections ################################################## self.connect((self.analog_noise_source_x_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.fir_filter_xxx_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.pfb_decimator_ccf_0, 0)) self.connect((self.fir_filter_xxx_0, 0), (self.qtgui_freq_sink_x_0_0, 1)) self.connect((self.pfb_decimator_ccf_0, 0), (self.pfb_interpolator_ccf_0, 0)) self.connect((self.pfb_interpolator_ccf_0, 0), (self.qtgui_freq_sink_x_0_0, 0))
def __init__(self): gr.hier_block2.__init__( self, "Hier Tx Ch Rx", gr.io_signature(1, 1, gr.sizeof_char*1), gr.io_signature(1, 1, gr.sizeof_char*1), ) ################################################## # Variables ################################################## self.samp_per_sym = samp_per_sym = 3 self.n_filts = n_filts = 32 self.len_sym_srrc = len_sym_srrc = 7 self.alfa = alfa = 0.35 self.pulso = pulso = firdes.root_raised_cosine(samp_per_sym,samp_per_sym,1.0,alfa,samp_per_sym*len_sym_srrc) self.gain = gain = 15 self.frec = frec = 850e3 self.filtro_srrc = filtro_srrc = firdes.root_raised_cosine(n_filts,samp_per_sym*n_filts,1.0,alfa,samp_per_sym*len_sym_srrc*n_filts) self.bits_per_sym = bits_per_sym = 2 ################################################## # Blocks ################################################## self.pfb_interpolator_ccf_0 = pfb.interpolator_ccf( samp_per_sym, (pulso), 100) self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(samp_per_sym, 2*math.pi/100, (filtro_srrc), n_filts, 16, 5, 1) self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(samp_per_sym, alfa, len_sym_srrc*samp_per_sym, math.pi/1600) self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2**bits_per_sym) self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2**bits_per_sym) self.digital_costas_loop_cc_0_0_0 = digital.costas_loop_cc(2*math.pi/100, 2**bits_per_sym) self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( digital.constellation_calcdist([-1-1j, 1-1j, 1+1j, -1+1j], [], 4, 1).base()) self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(([-1-1j,1-1j, 1+1j, -1+1j]), 1) self.channels_channel_model_0 = channels.channel_model( noise_voltage=0.0, frequency_offset=0.0, epsilon=1.00, taps=(1+0.5j, ), noise_seed=0, block_tags=False ) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(bits_per_sym) self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(bits_per_sym, gr.GR_MSB_FIRST) self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((0.4, )) self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder( samples_per_symbol=samp_per_sym, bits_per_symbol=bits_per_sym, preamble="", access_code="", pad_for_usrp=True, ), payload_length=1, ) self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b(grc_blks2.packet_decoder( access_code="", threshold=-1, callback=lambda ok, payload: self.blks2_packet_decoder_0.recv_pkt(ok, payload), ), ) self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0) self.analog_agc2_xx_0.set_max_gain(65536) ################################################## # Connections ################################################## self.connect((self.pfb_interpolator_ccf_0, 0), (self.blocks_multiply_const_vxx_1, 0)) self.connect((self.digital_diff_encoder_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0)) self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.pfb_interpolator_ccf_0, 0)) self.connect((self.blocks_multiply_const_vxx_1, 0), (self.channels_channel_model_0, 0)) self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.digital_diff_encoder_bb_0, 0)) self.connect((self.blks2_packet_encoder_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blks2_packet_decoder_0, 0)) self.connect((self.blks2_packet_decoder_0, 0), (self, 0)) self.connect((self, 0), (self.blks2_packet_encoder_0, 0)) self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0)) self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.digital_constellation_decoder_cb_0, 0)) self.connect((self.analog_agc2_xx_0, 0), (self.digital_fll_band_edge_cc_0, 0)) self.connect((self.channels_channel_model_0, 0), (self.analog_agc2_xx_0, 0)) self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0)) self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="V/HF mult-imode transmitter") ################################################## # Variables ################################################## self.var_1 = var_1 = 145100000 self.var_text = var_text = var_1 self.tx_mode = tx_mode = 0, 0, 1 self.tx_freq = tx_freq = 1500, -1500, -1500 self.tune = tune = 0 self.side_band = side_band = 2 self.samp_rate = samp_rate = 1.515152e6 self.pwr = pwr = 0.11, 0.11, 0.11, 0.11, 0.11, 0.11, 0.0, 0, 0.11 self.lo_freq_Hz = lo_freq_Hz = (145.1e6, 145.11e6, 14.070e6, 14.236e6, 28.720e6, 10.0e6, 15.0e6, var_1) self.hi_lo = hi_lo = 1 self.freq_chooser = freq_chooser = 0 self.fine_tune = fine_tune = 0 self.chooser = chooser = 1 ################################################## # Blocks ################################################## _tune_sizer = wx.BoxSizer(wx.VERTICAL) self._tune_text_box = forms.text_box( parent=self.GetWin(), sizer=_tune_sizer, value=self.tune, callback=self.set_tune, label="Coarse Tune", converter=forms.int_converter(), proportion=0, ) self._tune_slider = forms.slider( parent=self.GetWin(), sizer=_tune_sizer, value=self.tune, callback=self.set_tune, minimum=-61000, maximum=61000, num_steps=1000, style=wx.SL_HORIZONTAL, cast=int, proportion=1, ) self.GridAdd(_tune_sizer, 3, 1, 1, 1) self._side_band_chooser = forms.radio_buttons( parent=self.GetWin(), value=self.side_band, callback=self.set_side_band, label=" Sideband", choices=[0, 1, 2], labels=["LSB", "USB", "CW"], style=wx.RA_HORIZONTAL, ) self.GridAdd(self._side_band_chooser, 3, 2, 1, 1) self._hi_lo_chooser = forms.radio_buttons( parent=self.GetWin(), value=self.hi_lo, callback=self.set_hi_lo, label="Power Level", choices=[1, 2], labels=["Low", "High"], style=wx.RA_HORIZONTAL, ) self.GridAdd(self._hi_lo_chooser, 4, 2, 1, 1) self._freq_chooser_chooser = forms.radio_buttons( parent=self.GetWin(), value=self.freq_chooser, callback=self.set_freq_chooser, label="FREQUENCY SELECT", choices=[0, 1, 2, 3, 4, 5, 6, 7], labels=["145.100", "145.110", "14.070", "14.236", "28.720", "10", "15", "PRESET"], style=wx.RA_HORIZONTAL, ) self.GridAdd(self._freq_chooser_chooser, 1, 1, 1, 1) _fine_tune_sizer = wx.BoxSizer(wx.VERTICAL) self._fine_tune_text_box = forms.text_box( parent=self.GetWin(), sizer=_fine_tune_sizer, value=self.fine_tune, callback=self.set_fine_tune, label="Fine Tune", converter=forms.float_converter(), proportion=0, ) self._fine_tune_slider = forms.slider( parent=self.GetWin(), sizer=_fine_tune_sizer, value=self.fine_tune, callback=self.set_fine_tune, minimum=-5000 / 2, maximum=5000 / 2, num_steps=1000, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_fine_tune_sizer, 4, 1, 1, 1) self._chooser_chooser = forms.button( parent=self.GetWin(), value=self.chooser, callback=self.set_chooser, label="TX-RX Selector", choices=[1, 0], labels=["Receive", "Transmit"], ) self.GridAdd(self._chooser_chooser, 6, 1, 2, 1) self._var_text_static_text = forms.static_text( parent=self.GetWin(), value=self.var_text, callback=self.set_var_text, label="PRESET FREQUENCY", converter=forms.float_converter(), ) self.GridAdd(self._var_text_static_text, 1, 2, 1, 1) self.pfb_interpolator_ccf_0 = pfb.interpolator_ccf(8, (), 100) self.pfb_interpolator_ccf_0.declare_sample_delay(0) self.osmosdr_sink_0 = osmosdr.sink(args="numchan=" + str(1) + " " + "") self.osmosdr_sink_0.set_sample_rate(samp_rate / 4) self.osmosdr_sink_0.set_center_freq(lo_freq_Hz[freq_chooser] + tune + fine_tune - (tx_freq[side_band]), 0) self.osmosdr_sink_0.set_freq_corr(0, 0) self.osmosdr_sink_0.set_gain(10, 0) self.osmosdr_sink_0.set_if_gain(20, 0) self.osmosdr_sink_0.set_bb_gain(20, 0) self.osmosdr_sink_0.set_antenna("", 0) self.osmosdr_sink_0.set_bandwidth(0, 0) self.fft_filter_xxx_0_0_0_0_0 = filter.fft_filter_fff( 1, (firdes.band_pass(1, samp_rate / 32, 250, 3500, 400)), 1 ) self.fft_filter_xxx_0_0_0_0_0.declare_sample_delay(0) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate / 32, True) self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1) self.blocks_multiply_const_vxx_1_0_0_0 = blocks.multiply_const_vcc(((pwr[freq_chooser] * hi_lo),)) self.blocks_multiply_const_vxx_1_0_0 = blocks.multiply_const_vff((40 * 10,)) self.blocks_float_to_complex_0 = blocks.float_to_complex(1) self.blks2_valve_1 = grc_blks2.valve(item_size=gr.sizeof_gr_complex * 1, open=bool(chooser)) self.blks2_selector_0 = grc_blks2.selector( item_size=gr.sizeof_gr_complex * 1, num_inputs=2, num_outputs=1, input_index=tx_mode[side_band], output_index=0, ) self.band_pass_filter_0 = filter.interp_fir_filter_ccf( 1, firdes.band_pass(1, 47348, 150, 1500, 300, firdes.WIN_HAMMING, 6.76) ) self.audio_source_0_0 = audio.source(47348, "", True) self.analog_sig_source_x_0_0 = analog.sig_source_c(samp_rate / 32, analog.GR_COS_WAVE, tx_freq[side_band], 1, 0) self.analog_const_source_x_0 = analog.sig_source_c(0, analog.GR_CONST_WAVE, 0, 0, (0.070) * 9) ################################################## # Connections ################################################## self.connect((self.analog_const_source_x_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_0, 0)) self.connect((self.audio_source_0_0, 0), (self.blocks_multiply_const_vxx_1_0_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.blks2_selector_0, 0)) self.connect((self.blks2_selector_0, 0), (self.blocks_multiply_const_vxx_1_0_0_0, 0)) self.connect((self.blks2_valve_1, 0), (self.pfb_interpolator_ccf_0, 0)) self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_multiply_xx_0_0, 1)) self.connect((self.blocks_multiply_const_vxx_1_0_0, 0), (self.fft_filter_xxx_0_0_0_0_0, 0)) self.connect((self.blocks_multiply_const_vxx_1_0_0_0, 0), (self.blks2_valve_1, 0)) self.connect((self.blocks_multiply_xx_0_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.blks2_selector_0, 1)) self.connect((self.fft_filter_xxx_0_0_0_0_0, 0), (self.blocks_float_to_complex_0, 0)) self.connect((self.pfb_interpolator_ccf_0, 0), (self.osmosdr_sink_0, 0))