Ejemplo n.º 1
0
    def setup_bpsk0(self):
        self.tb = gr.top_block()

        # Build the constellation object
        arity = 2
        bps = 1
        pts, code = digital.psk_2_0x0()
        constellation = digital.constellation_psk(pts, code, 2)

        # Create BPSK data to pass to the demodulator
        src = blocks.vector_source_b(self.src_data_bpsk)
        p2u = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
        mod = digital.generic_mod(constellation, True, self.sps, True, self.eb)
        snk = blocks.vector_sink_c()

        tb = gr.top_block()
        tb.connect(src, p2u, mod, snk)
        tb.run()

        self.src = blocks.vector_source_c(snk.data())
        self.freq_recov = digital.fll_band_edge_cc(self.sps, self.eb,
                                                   self.fll_ntaps, self.freq_bw)
        self.time_recov = digital.pfb_clock_sync_ccf(self.sps, self.timing_bw, self.taps,
                                                     self.nfilts, self.nfilts//2, self.timing_max_dev)
        self.receiver = digital.constellation_receiver_cb(
            constellation.base(), self.phase_bw, self.fmin, self.fmax)
        self.diffdec = digital.diff_decoder_bb(arity)
        self.symbol_mapper = digital.map_bb(
            mod_codes.invert_code(constellation.pre_diff_code()))
        self.unpack = blocks.unpack_k_bits_bb(bps)
        self.snk = blocks.null_sink(gr.sizeof_char)

        self.tb.connect(self.src, self.freq_recov, self.time_recov, self.receiver)
        self.tb.connect(self.receiver, self.diffdec, self.symbol_mapper, self.unpack)
        self.tb.connect(self.unpack, self.snk)
Ejemplo n.º 2
0
    def setup_8psk0(self):
        self.tb = gr.top_block()

        constellation = digital.psk_constellation(8)

        self.src = blocks.vector_source_b(self.src_data_8psk)
        self.p2u = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
        self.mod = digital.generic_mod(constellation, True, self.sps, True, self.eb)
        self.snk = blocks.null_sink(gr.sizeof_gr_complex)

        self.tb.connect(self.src, self.p2u, self.mod, self.snk)
Ejemplo n.º 3
0
    def __init__(self, constellation, samples_per_symbol,
                 differential, excess_bw, gray_coded,
                 verbose, log):

        gr.hier_block2.__init__(self, "bert_transmit",
                                gr.io_signature(0, 0, 0),                    # Output signature
                                gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Input signature
        
        # Create BERT data bit stream	
	self._bits = gr.vector_source_b([1,], True)      # Infinite stream of ones
        self._scrambler = gr.scrambler_bb(0x8A, 0x7F, 7) # CCSDS 7-bit scrambler

        self._mod = digital.generic_mod(constellation, samples_per_symbol,
                                        differential, excess_bw, gray_coded,
                                        verbose, log)

        self._pack = gr.unpacked_to_packed_bb(self._mod.bits_per_symbol(), gr.GR_MSB_FIRST)

        self.connect(self._bits, self._scrambler, self._pack, self._mod, self)
    def __init__(self):
        gr.top_block.__init__(self, "Test Corr And Sync")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Test Corr And Sync")
        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", "test_corr_and_sync")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.eb = eb = 0.35
        self.time_offset = time_offset = 1
        self.samp_rate = samp_rate = 100000
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), eb, 5*sps*nfilts)
        self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-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,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1]
        self.phase = phase = 0
        self.payload_size = payload_size = 992
        self.noise = noise = 0
        self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts))
        self.gap = gap = 20000
        self.freq_offset = freq_offset = 0
        self.constel = constel = digital.constellation_calcdist(([1,- 1]), ([0,1]), 2, 1).base()
        self.bb_filter = bb_filter = firdes.root_raised_cosine(sps, sps, 1, eb, 101)

        ##################################################
        # Blocks
        ##################################################
        self._time_offset_layout = Qt.QVBoxLayout()
        self._time_offset_label = Qt.QLabel("Timing Offset")
        self._time_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._time_offset_slider.setRange(0.995, 1.005, 0.00001)
        self._time_offset_slider.setValue(self.time_offset)
        self._time_offset_slider.setMinimumWidth(200)
        self._time_offset_slider.valueChanged.connect(self.set_time_offset)
        self._time_offset_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._time_offset_layout.addWidget(self._time_offset_label)
        self._time_offset_layout.addWidget(self._time_offset_slider)
        self.top_grid_layout.addLayout(self._time_offset_layout, 4,1,1,1)
        self._noise_layout = Qt.QVBoxLayout()
        self._noise_label = Qt.QLabel("Noise")
        self._noise_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._noise_slider.setRange(0, 1, 0.005)
        self._noise_slider.setValue(self.noise)
        self._noise_slider.setMinimumWidth(200)
        self._noise_slider.valueChanged.connect(self.set_noise)
        self._noise_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._noise_layout.addWidget(self._noise_label)
        self._noise_layout.addWidget(self._noise_slider)
        self.top_grid_layout.addLayout(self._noise_layout, 3,0,1,1)
        self._freq_offset_layout = Qt.QVBoxLayout()
        self._freq_offset_label = Qt.QLabel("Frequency Offset")
        self._freq_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._freq_offset_slider.setRange(-0.001, 0.001, 0.00002)
        self._freq_offset_slider.setValue(self.freq_offset)
        self._freq_offset_slider.setMinimumWidth(200)
        self._freq_offset_slider.valueChanged.connect(self.set_freq_offset)
        self._freq_offset_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._freq_offset_layout.addWidget(self._freq_offset_label)
        self._freq_offset_layout.addWidget(self._freq_offset_slider)
        self.top_grid_layout.addLayout(self._freq_offset_layout, 4,0,1,1)
        self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
        	80000, #size
        	samp_rate, #samp_rate
        	"QT GUI Plot", #name
        	3 #number of inputs
        )
        self.qtgui_time_sink_x_1.set_update_time(0.10)
        self.qtgui_time_sink_x_1.set_y_axis(-200, 400)
        self.qtgui_time_sink_x_1.enable_tags(-1, True)
        self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_NORM, qtgui.TRIG_SLOPE_POS, 200, 0, 0, "")
        self.qtgui_time_sink_x_1.enable_autoscale(False)
        
        labels = ["|corr|^2", "Re{corr}", "Im{corr}", "", "",
                  "", "", "", "", ""]
        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(3):
            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_grid_layout.addWidget(self._qtgui_time_sink_x_1_win, 1,0,1,2)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
        	50000, #size
        	samp_rate, #samp_rate
        	"QT GUI 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(-2, 2)
        self.qtgui_time_sink_x_0.enable_tags(-1, True)
        self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_TAG, qtgui.TRIG_SLOPE_POS, 1, 0.1, 0, "time_est")
        self.qtgui_time_sink_x_0.enable_autoscale(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", "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*1):
            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, 0,0,1,1)
        (self.qtgui_time_sink_x_0).set_processor_affinity([0])
        self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
        	1000, #size
        	"QT GUI Plot", #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_TAG, qtgui.TRIG_SLOPE_POS, 0, 0, "time_est")
        self.qtgui_const_sink_x_0.enable_autoscale(False)
        
        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, 0,1,1,1)
        self._phase_layout = Qt.QVBoxLayout()
        self._phase_label = Qt.QLabel("Phase offset")
        self._phase_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._phase_slider.setRange(-2*scipy.pi, 2*scipy.pi, 0.1)
        self._phase_slider.setValue(self.phase)
        self._phase_slider.setMinimumWidth(200)
        self._phase_slider.valueChanged.connect(self.set_phase)
        self._phase_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._phase_layout.addWidget(self._phase_label)
        self._phase_layout.addWidget(self._phase_slider)
        self.top_grid_layout.addLayout(self._phase_layout, 3,1,1,1)
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 2*3.14/100.0, (rrc_taps), nfilts, 0, 0.5, 1)
        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(1*3.14/50.0, 2)
        self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble), (matched_filter), sps)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=constel,
          differential=False,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=eb,
          verbose=False,
          log=False,
          )
        self.channels_channel_model_0 = channels.channel_model(
        	noise_voltage=noise,
        	frequency_offset=freq_offset,
        	epsilon=time_offset,
        	taps=(1.0, ),
        	noise_seed=0,
        	block_tags=False
        )
        self.blocks_vector_source_x_0_0 = blocks.vector_source_b(map(lambda x: (-x+1)/2, preamble), True, 1, [])
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
        self.blocks_stream_mux_0_0_0 = blocks.stream_mux(gr.sizeof_char*1, (len(preamble)/8,payload_size))
        self.blocks_stream_mux_0_0 = blocks.stream_mux(gr.sizeof_gr_complex*1, ((len(preamble)+8*payload_size)*sps, gap))
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_null_source_0_0 = blocks.null_source(gr.sizeof_gr_complex*1)
        self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
        self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
        self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 100000)), True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_time_sink_x_0, 0))
        self.connect((self.blocks_complex_to_float_0, 0), (self.qtgui_time_sink_x_1, 1))
        self.connect((self.blocks_complex_to_mag_0, 0), (self.qtgui_time_sink_x_1, 0))
        self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.blocks_null_source_0_0, 0), (self.blocks_stream_mux_0_0, 1))
        self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.blocks_stream_mux_0_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.blocks_complex_to_float_0, 1), (self.qtgui_time_sink_x_1, 2))
        self.connect((self.channels_channel_model_0, 0), (self.digital_correlate_and_sync_cc_0, 0))
        self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_stream_mux_0_0, 0))
        self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_complex_to_mag_0, 0))
        self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_complex_to_float_0, 0))
        self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_stream_mux_0_0_0, 0))
        self.connect((self.analog_random_source_x_0, 0), (self.blocks_stream_mux_0_0_0, 1))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0))
Ejemplo n.º 5
0
    def __init__(self):
        gr.top_block.__init__(self, "WDA Channel Simulator v2")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("WDA Channel Simulator v2")
        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.sps = sps = 200
        self.excess_bw = excess_bw = 0.35
        self.QAM = QAM = digital.constellation_calcdist(
            ([-1 - 1j, -1 + 1j, 1 + 1j, 1 - 1j]), ([0, 1, 3, 2]), 4, 1).base()
        self.symbol_reflection_offset = symbol_reflection_offset = 0
        self.symbol_reflection_ampl = symbol_reflection_ampl = 0
        self.samp_rate = samp_rate = 1e6
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
            1, sps, 1, excess_bw, 45)
        self.refl_delay = refl_delay = 0
        self.refl_amplitude = refl_amplitude = 0
        self.noise_level = noise_level = 0
        self.max_phase_offset_ratio = max_phase_offset_ratio = 1
        self.direct_amplitude = direct_amplitude = 1
        self.constellation = constellation = QAM
        self.carrier_frequency = carrier_frequency = 10e3
        self.bits_per_symbol = bits_per_symbol = 2
        self.PSK = PSK = digital.constellation_calcdist(([1 + 0j, -1 + 0j]),
                                                        ([0, 1]), 2, 1).base()

        ##################################################
        # Blocks
        ##################################################
        self.tab = Qt.QTabWidget()
        self.tab_widget_0 = Qt.QWidget()
        self.tab_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
                                          self.tab_widget_0)
        self.tab_grid_layout_0 = Qt.QGridLayout()
        self.tab_layout_0.addLayout(self.tab_grid_layout_0)
        self.tab.addTab(self.tab_widget_0, "Time")
        self.tab_widget_1 = Qt.QWidget()
        self.tab_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
                                          self.tab_widget_1)
        self.tab_grid_layout_1 = Qt.QGridLayout()
        self.tab_layout_1.addLayout(self.tab_grid_layout_1)
        self.tab.addTab(self.tab_widget_1, "Frequency")
        self.tab_widget_2 = Qt.QWidget()
        self.tab_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
                                          self.tab_widget_2)
        self.tab_grid_layout_2 = Qt.QGridLayout()
        self.tab_layout_2.addLayout(self.tab_grid_layout_2)
        self.tab.addTab(self.tab_widget_2, "Windowed Constellation")
        self.top_grid_layout.addWidget(self.tab, 0, 0, 1, 7)
        self._symbol_reflection_offset_range = Range(0, 1, 0.01, 0, 100)
        self._symbol_reflection_offset_win = RangeWidget(
            self._symbol_reflection_offset_range,
            self.set_symbol_reflection_offset, "Offset (% of Symbol)",
            "counter_slider", float)
        self.top_grid_layout.addWidget(self._symbol_reflection_offset_win, 3,
                                       5, 1, 3)
        self._symbol_reflection_ampl_range = Range(0, 1, 0.001, 0, 100)
        self._symbol_reflection_ampl_win = RangeWidget(
            self._symbol_reflection_ampl_range,
            self.set_symbol_reflection_ampl, "Distant Reflection Amplitude",
            "counter_slider", float)
        self.top_grid_layout.addWidget(self._symbol_reflection_ampl_win, 3, 0,
                                       1, 5)
        self._refl_delay_range = Range(0, 360, 1, 0, 100)
        self._refl_delay_win = RangeWidget(self._refl_delay_range,
                                           self.set_refl_delay,
                                           "Phase Offset (Degrees)",
                                           "counter_slider", float)
        self.top_grid_layout.addWidget(self._refl_delay_win, 2, 5, 1, 3)
        self._refl_amplitude_range = Range(0, 1, 0.001, 0, 100)
        self._refl_amplitude_win = RangeWidget(self._refl_amplitude_range,
                                               self.set_refl_amplitude,
                                               "Nearby Reflection Amplitude",
                                               "counter_slider", float)
        self.top_grid_layout.addWidget(self._refl_amplitude_win, 2, 0, 1, 5)
        self._noise_level_range = Range(0, 160, 1, 0, 100)
        self._noise_level_win = RangeWidget(self._noise_level_range,
                                            self.set_noise_level,
                                            "Noise Level (dB)",
                                            "counter_slider", float)
        self.top_grid_layout.addWidget(self._noise_level_win, 4, 0, 1, 8)
        self._direct_amplitude_range = Range(0, 1, 0.01, 1, 1000)
        self._direct_amplitude_win = RangeWidget(
            self._direct_amplitude_range, self.set_direct_amplitude,
            "Transmitted Signal Amplitude", "counter_slider", float)
        self.top_grid_layout.addWidget(self._direct_amplitude_win, 1, 0, 1, 8)
        self.up_convert = blocks.multiply_vcc(1)
        self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
            interpolation=1,
            decimation=sps,
            taps=None,
            fractional_bw=None,
        )
        self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
            interpolation=1,
            decimation=sps,
            taps=None,
            fractional_bw=None,
        )
        self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
            1024,  #size
            samp_rate,  #samp_rate
            "Transmitted and Received Signals",  #name
            5  #number of inputs
        )
        self.qtgui_time_sink_x_1.set_update_time(0.10)
        self.qtgui_time_sink_x_1.set_y_axis(-3, 3)

        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(False)
        self.qtgui_time_sink_x_1.enable_grid(False)
        self.qtgui_time_sink_x_1.enable_control_panel(True)

        if not True:
            self.qtgui_time_sink_x_1.disable_legend()

        labels = [
            "Transmitted Signal", "Nearby Reflection", "Distant Reflection",
            "Noise", "Channel Total", "", "", "", "", ""
        ]
        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(5):
            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.tab_layout_0.addWidget(self._qtgui_time_sink_x_1_win)
        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
            1024,  #size
            firdes.WIN_BLACKMAN_hARRIS,  #wintype
            0,  #fc
            samp_rate,  #bw
            "Transmitted and Received Signals",  #name
            2  #number of inputs
        )
        self.qtgui_freq_sink_x_0.set_update_time(0.10)
        self.qtgui_freq_sink_x_0.set_y_axis(-200, 0)
        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(True)
        self.qtgui_freq_sink_x_0.set_fft_average(0.2)
        self.qtgui_freq_sink_x_0.enable_control_panel(True)

        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 = [
            "Received Signal", "Transmitted Signal", "", "", "", "", "", "",
            "", ""
        ]
        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.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.tab_layout_1.addWidget(self._qtgui_freq_sink_x_0_win)
        self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
            512,  #size
            "Windowed Constellation",  #name
            2  #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, 0.75,
                                                   0, "")
        self.qtgui_const_sink_x_0.enable_autoscale(False)
        self.qtgui_const_sink_x_0.enable_grid(True)

        if not True:
            self.qtgui_const_sink_x_0.disable_legend()

        labels = [
            "Decoded Data", "Expected Data", "", "", "", "", "", "", "", ""
        ]
        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, 2, 0, 0, 0, 0, 0, 0, 0, 0]
        alphas = [0.5, 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_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.tab_layout_2.addWidget(self._qtgui_const_sink_x_0_win)
        self.fir_filter_xxx_0_0 = filter.fir_filter_ccc(1, (rrc_taps))
        self.fir_filter_xxx_0_0.declare_sample_delay(0)
        self.down_convert = blocks.multiply_vcc(1)
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=constellation,
            differential=True,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=excess_bw,
            verbose=True,
            log=False,
        )
        self.digital_constellation_decoder_cb_1 = digital.constellation_decoder_cb(
            constellation)
        self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
            constellation)
        self.carrier_source_0 = analog.sig_source_c(samp_rate,
                                                    analog.GR_COS_WAVE,
                                                    -carrier_frequency, 1, 0)
        self.carrier_source = analog.sig_source_c(samp_rate,
                                                  analog.GR_COS_WAVE,
                                                  carrier_frequency, 1, 0)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
                                                 samp_rate, True)
        self.blocks_multiply_const_vxx_1_0 = blocks.multiply_const_vcc(
            (symbol_reflection_ampl, ))
        self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc(
            (refl_amplitude, ))
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
            (direct_amplitude, ))
        self.blocks_delay_2_0 = blocks.delay(gr.sizeof_gr_complex * 1, sps / 4)
        self.blocks_delay_2 = blocks.delay(gr.sizeof_gr_complex * 1, sps / 4)
        self.blocks_delay_0_0 = blocks.delay(
            gr.sizeof_gr_complex * 1, int(symbol_reflection_offset * sps))
        self.blocks_delay_0 = blocks.delay(
            gr.sizeof_gr_complex * 1,
            int(refl_delay / 360.0 * samp_rate / carrier_frequency))
        self.blocks_copy_0 = blocks.copy(gr.sizeof_gr_complex * 1)
        self.blocks_copy_0.set_enabled(True)
        self.blocks_complex_to_real_1_1_0 = blocks.complex_to_real(1)
        self.blocks_complex_to_real_1_1 = blocks.complex_to_real(1)
        self.blocks_complex_to_real_1_0_0 = blocks.complex_to_real(1)
        self.blocks_complex_to_real_1_0 = blocks.complex_to_real(1)
        self.blocks_complex_to_real_1 = blocks.complex_to_real(1)
        self.blocks_add_xx_0 = blocks.add_vcc(1)
        self.blks2_error_rate_0 = grc_blks2.error_rate(
            type='SER',
            win_size=20000,
            bits_per_symbol=bits_per_symbol,
        )
        self.analog_random_source_x_0 = blocks.vector_source_b(
            map(int, numpy.random.randint(0, 2**bits_per_symbol, 10000)), True)
        self.analog_noise_source_x_0 = analog.noise_source_c(
            analog.GR_GAUSSIAN, 0.000001 * 10**(noise_level / 20), 0)
        self.SER = qtgui.number_sink(gr.sizeof_float, 0, qtgui.NUM_GRAPH_VERT,
                                     1)
        self.SER.set_update_time(1.5)
        self.SER.set_title("")

        labels = ["SER", "", "", "", "", "", "", "", "", ""]
        units = ["", "", "", "", "", "", "", "", "", ""]
        colors = [("black", "red"), ("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 xrange(1):
            self.SER.set_min(i, 0)
            self.SER.set_max(i, 1)
            self.SER.set_color(i, colors[i][0], colors[i][1])
            if len(labels[i]) == 0:
                self.SER.set_label(i, "Data {0}".format(i))
            else:
                self.SER.set_label(i, labels[i])
            self.SER.set_unit(i, units[i])
            self.SER.set_factor(i, factor[i])

        self.SER.enable_autoscale(False)
        self._SER_win = sip.wrapinstance(self.SER.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._SER_win, 0, 7, 1, 1)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_noise_source_x_0, 0),
                     (self.blocks_add_xx_0, 3))
        self.connect((self.analog_noise_source_x_0, 0),
                     (self.blocks_complex_to_real_1_0_0, 0))
        self.connect((self.analog_random_source_x_0, 0),
                     (self.digital_constellation_modulator_0, 0))
        self.connect((self.blks2_error_rate_0, 0), (self.SER, 0))
        self.connect((self.blocks_add_xx_0, 0),
                     (self.blocks_complex_to_real_1_0, 0))
        self.connect((self.blocks_add_xx_0, 0), (self.down_convert, 1))
        self.connect((self.blocks_complex_to_real_1, 0),
                     (self.qtgui_time_sink_x_1, 0))
        self.connect((self.blocks_complex_to_real_1_0, 0),
                     (self.qtgui_time_sink_x_1, 4))
        self.connect((self.blocks_complex_to_real_1_0_0, 0),
                     (self.qtgui_time_sink_x_1, 3))
        self.connect((self.blocks_complex_to_real_1_1, 0),
                     (self.qtgui_time_sink_x_1, 2))
        self.connect((self.blocks_complex_to_real_1_1_0, 0),
                     (self.qtgui_time_sink_x_1, 1))
        self.connect((self.blocks_copy_0, 0), (self.blocks_delay_2, 0))
        self.connect((self.blocks_copy_0, 0),
                     (self.digital_constellation_decoder_cb_1, 0))
        self.connect((self.blocks_copy_0, 0), (self.qtgui_freq_sink_x_0, 1))
        self.connect((self.blocks_delay_0, 0),
                     (self.blocks_multiply_const_vxx_1, 0))
        self.connect((self.blocks_delay_0_0, 0),
                     (self.blocks_multiply_const_vxx_1_0, 0))
        self.connect((self.blocks_delay_2, 0),
                     (self.rational_resampler_xxx_0, 0))
        self.connect((self.blocks_delay_2_0, 0),
                     (self.rational_resampler_xxx_0_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0),
                     (self.blocks_add_xx_0, 2))
        self.connect((self.blocks_multiply_const_vxx_0, 0),
                     (self.blocks_complex_to_real_1, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0),
                     (self.blocks_delay_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0),
                     (self.blocks_delay_0_0, 0))
        self.connect((self.blocks_multiply_const_vxx_1, 0),
                     (self.blocks_add_xx_0, 1))
        self.connect((self.blocks_multiply_const_vxx_1, 0),
                     (self.blocks_complex_to_real_1_1_0, 0))
        self.connect((self.blocks_multiply_const_vxx_1_0, 0),
                     (self.blocks_add_xx_0, 0))
        self.connect((self.blocks_multiply_const_vxx_1_0, 0),
                     (self.blocks_complex_to_real_1_1, 0))
        self.connect((self.blocks_throttle_0, 0), (self.up_convert, 0))
        self.connect((self.carrier_source, 0), (self.blocks_throttle_0, 0))
        self.connect((self.carrier_source_0, 0), (self.down_convert, 0))
        self.connect((self.digital_constellation_decoder_cb_0, 0),
                     (self.blks2_error_rate_0, 0))
        self.connect((self.digital_constellation_decoder_cb_1, 0),
                     (self.blks2_error_rate_0, 1))
        self.connect((self.digital_constellation_modulator_0, 0),
                     (self.fir_filter_xxx_0_0, 0))
        self.connect((self.down_convert, 0), (self.blocks_delay_2_0, 0))
        self.connect((self.down_convert, 0),
                     (self.digital_constellation_decoder_cb_0, 0))
        self.connect((self.down_convert, 0), (self.qtgui_freq_sink_x_0, 0))
        self.connect((self.fir_filter_xxx_0_0, 0), (self.blocks_copy_0, 0))
        self.connect((self.fir_filter_xxx_0_0, 0), (self.up_convert, 1))
        self.connect((self.rational_resampler_xxx_0, 0),
                     (self.qtgui_const_sink_x_0, 1))
        self.connect((self.rational_resampler_xxx_0_0, 0),
                     (self.qtgui_const_sink_x_0, 0))
        self.connect((self.up_convert, 0),
                     (self.blocks_multiply_const_vxx_0, 0))
Ejemplo n.º 6
0
 def set_qpsk(self, qpsk):
     self.qpsk = qpsk
     self.set_rxmod(
         digital.generic_mod(self.qpsk, False, self.base_sps, False,
                             self.excess_bw, False, False))
Ejemplo n.º 7
0
    def __init__(self):
        gr.top_block.__init__(self, "Top Block")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Top Block")
        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.sps = sps = 45
        self.nfilts = nfilts = 25
        self.sps_slider = sps_slider = 45
        self.samp_rate_0 = samp_rate_0 = 44.1E3
        self.samp_rate = samp_rate = 32000
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 45*nfilts)
        self.fc_slider = fc_slider = 2200
        self.BPSK = BPSK = digital.constellation_calcdist(([-1, 1]), ([0, 1]), 4, 1).base()
        self.A_slider = A_slider = 1

        ##################################################
        # Blocks
        ##################################################
        self._sps_slider_range = Range(0, 100, 5, 45, 200)
        self._sps_slider_win = RangeWidget(self._sps_slider_range, self.set_sps_slider, "sps", "counter_slider", float)
        self.top_layout.addWidget(self._sps_slider_win)
        self._fc_slider_range = Range(0, 18200, 200, 2200, 150)
        self._fc_slider_win = RangeWidget(self._fc_slider_range, self.set_fc_slider, "fc", "counter_slider", float)
        self.top_layout.addWidget(self._fc_slider_win)
        self._A_slider_range = Range(0, 20, 1, 1, 200)
        self._A_slider_win = RangeWidget(self._A_slider_range, self.set_A_slider, "A", "counter_slider", int)
        self.top_layout.addWidget(self._A_slider_win)
        self.qtgui_time_sink_x_1 = qtgui.time_sink_c(
        	1024, #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(-2, 2)
        
        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(False)
        self.qtgui_time_sink_x_1.enable_grid(False)
        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(2*1):
            if len(labels[i]) == 0:
                if(i % 2 == 0):
                    self.qtgui_time_sink_x_1.set_line_label(i, "Re{{Data {0}}}".format(i/2))
                else:
                    self.qtgui_time_sink_x_1.set_line_label(i, "Im{{Data {0}}}".format(i/2))
            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 = qtgui.time_sink_f(
        	1024, #size
        	samp_rate, #samp_rate
        	"", #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(-2, 2)
        
        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(False)
        self.qtgui_time_sink_x_0.enable_grid(False)
        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_layout.addWidget(self._qtgui_time_sink_x_0_win)
        self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
        	1024, #size
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	0, #fc
        	samp_rate, #bw
        	"", #name
        	1 #number of inputs
        )
        self.qtgui_freq_sink_x_1.set_update_time(0.10)
        self.qtgui_freq_sink_x_1.set_y_axis(-140, 10)
        self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
        self.qtgui_freq_sink_x_1.enable_autoscale(False)
        self.qtgui_freq_sink_x_1.enable_grid(False)
        self.qtgui_freq_sink_x_1.set_fft_average(1.0)
        self.qtgui_freq_sink_x_1.enable_control_panel(False)
        
        if not True:
          self.qtgui_freq_sink_x_1.disable_legend()
        
        if "complex" == "float" or "complex" == "msg_float":
          self.qtgui_freq_sink_x_1.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_1.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_freq_sink_x_1.set_line_label(i, labels[i])
            self.qtgui_freq_sink_x_1.set_line_width(i, widths[i])
            self.qtgui_freq_sink_x_1.set_line_color(i, colors[i])
            self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i])
        
        self._qtgui_freq_sink_x_1_win = sip.wrapinstance(self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_freq_sink_x_1_win)
        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f(
        	1024, #size
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	0, #fc
        	samp_rate, #bw
        	"", #name
        	1 #number of inputs
        )
        self.qtgui_freq_sink_x_0.set_update_time(0.10)
        self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
        self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
        self.qtgui_freq_sink_x_0.enable_autoscale(False)
        self.qtgui_freq_sink_x_0.enable_grid(False)
        self.qtgui_freq_sink_x_0.set_fft_average(1.0)
        self.qtgui_freq_sink_x_0.enable_control_panel(False)
        
        if not True:
          self.qtgui_freq_sink_x_0.disable_legend()
        
        if "float" == "float" or "float" == "msg_float":
          self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
        
        labels = ["", "", "", "", "",
                  "", "", "", "", ""]
        widths = [1, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        colors = ["blue", "red", "green", "black", "cyan",
                  "magenta", "yellow", "dark red", "dark green", "dark blue"]
        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
                  1.0, 1.0, 1.0, 1.0, 1.0]
        for i in xrange(1):
            if len(labels[i]) == 0:
                self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
            self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
            self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
            self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
        
        self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
        self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
        	1024, #size
        	"", #name
        	1 #number of inputs
        )
        self.qtgui_const_sink_x_0.set_update_time(0.10)
        self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
        self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
        self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
        self.qtgui_const_sink_x_0.enable_autoscale(False)
        self.qtgui_const_sink_x_0.enable_grid(False)
        
        if not True:
          self.qtgui_const_sink_x_0.disable_legend()
        
        labels = ["", "", "", "", "",
                  "", "", "", "", ""]
        widths = [1, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        colors = ["blue", "red", "red", "red", "red",
                  "red", "red", "red", "red", "red"]
        styles = [0, 0, 0, 0, 0,
                  0, 0, 0, 0, 0]
        markers = [0, 0, 0, 0, 0,
                   0, 0, 0, 0, 0]
        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
                  1.0, 1.0, 1.0, 1.0, 1.0]
        for i in xrange(1):
            if len(labels[i]) == 0:
                self.qtgui_const_sink_x_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
            self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
            self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
            self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
            self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
            self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
        
        self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_const_sink_x_0_win)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=BPSK,
          differential=True,
          samples_per_symbol=sps_slider,
          pre_diff_code=True,
          excess_bw=0.25,
          verbose=False,
          log=False,
          )
        self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
        self.blocks_complex_to_real_1 = blocks.complex_to_real(1)
        self.blks2_tcp_source_0 = grc_blks2.tcp_source(
        	itemsize=gr.sizeof_char*1,
        	addr="127.0.0.1",
        	port=1240,
        	server=True,
        )
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=1,
        		bits_per_symbol=1,
        		preamble="",
        		access_code="",
        		pad_for_usrp=False,
        	),
        	payload_length=1,
        )
        self.audio_sink_0 = audio.sink(44100, "", True)
        self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, fc_slider, A_slider, 0)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))    
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_constellation_modulator_0, 0))    
        self.connect((self.blks2_tcp_source_0, 0), (self.blks2_packet_encoder_0, 0))    
        self.connect((self.blocks_complex_to_real_1, 0), (self.audio_sink_0, 0))    
        self.connect((self.blocks_complex_to_real_1, 0), (self.qtgui_freq_sink_x_0, 0))    
        self.connect((self.blocks_complex_to_real_1, 0), (self.qtgui_time_sink_x_0, 0))    
        self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_complex_to_real_1, 0))    
        self.connect((self.blocks_multiply_xx_0, 0), (self.qtgui_const_sink_x_0, 0))    
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_multiply_xx_0, 0))    
        self.connect((self.digital_constellation_modulator_0, 0), (self.qtgui_freq_sink_x_1, 0))    
        self.connect((self.digital_constellation_modulator_0, 0), (self.qtgui_time_sink_x_1, 0))    
Ejemplo n.º 8
0
    def __init__(self):
        gr.top_block.__init__(self, "Mpsk Stage1")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Mpsk Stage1")
        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", "mpsk_stage1")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 2
        self.excess_bw = excess_bw = 0.10
        self.samp_rate = samp_rate = 32000
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(1, sps, 1, excess_bw, 45)
        self.bpsk = bpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j]), ([0, 1,]), 2, 2, 0, 1, 0).base()
        self.arity = arity = 4

        ##################################################
        # Blocks
        ##################################################
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	",".join(("addr=192.168.10.2", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(2.4175e9, 0)
        self.uhd_usrp_sink_0.set_gain(28, 0)
        self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
        self.uhd_usrp_sink_0.set_bandwidth(100e3, 0)
        self.digital_crc32_bb_0 = digital.crc32_bb(False, "packet_len")
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=bpsk,
          differential=True,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=excess_bw,
          verbose=False,
          log=False,
          )
        self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 8, "packet_len")
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=1,
        		bits_per_symbol=8,
        		preamble="",
        		access_code="",
        		pad_for_usrp=True,
        	),
        	payload_length=0,
        )
        self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 10000)), True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_random_source_x_0, 0), (self.blks2_packet_encoder_0, 0))    
        self.connect((self.blks2_packet_encoder_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))    
        self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0))    
        self.connect((self.digital_constellation_modulator_0, 0), (self.uhd_usrp_sink_0, 0))    
        self.connect((self.digital_crc32_bb_0, 0), (self.digital_constellation_modulator_0, 0))    
Ejemplo n.º 9
0
    def __init__(self):
        gr.top_block.__init__(self, "Mpsk Stage3")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Mpsk Stage3")
        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", "mpsk_stage3")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 8
        self.payload = payload = range(256)
        self.nfilts = nfilts = 32
        self.timing_loop_bw = timing_loop_bw = 6.28/100.0
        self.taps = taps = [1.0 + 0.0j, ]
        self.samp_rate = samp_rate = 250e3
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 45*nfilts)
        self.qpsk_const = qpsk_const = digital.constellation_rect(([-1, +1]), ([0, 1]), 1, 2, 1, 1, 1).base()
        self.payload_str = payload_str = ''.join(map(lambda x: "{0:08b}".format(x), payload))
        self.gain = gain = 50
        self.freq = freq = 2.3e9
        self.excess_bw = excess_bw = 0.35
        self.delay = delay = 32
        self.decim = decim = 1
        self.arity = arity = 2
        self.access_code_str = access_code_str = "1111100110101"
        self.access_code = access_code = [31, 53]

        ##################################################
        # Blocks
        ##################################################
        self._delay_layout = Qt.QVBoxLayout()
        self._delay_tool_bar = Qt.QToolBar(self)
        self._delay_layout.addWidget(self._delay_tool_bar)
        self._delay_tool_bar.addWidget(Qt.QLabel("delay"+": "))
        class qwt_counter_pyslot(Qwt.QwtCounter):
            def __init__(self, parent=None):
                Qwt.QwtCounter.__init__(self, parent)
            @pyqtSlot('double')
            def setValue(self, value):
                super(Qwt.QwtCounter, self).setValue(value)
        self._delay_counter = qwt_counter_pyslot()
        self._delay_counter.setRange(0, 100, 1)
        self._delay_counter.setNumButtons(2)
        self._delay_counter.setValue(self.delay)
        self._delay_tool_bar.addWidget(self._delay_counter)
        self._delay_counter.valueChanged.connect(self.set_delay)
        self._delay_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._delay_slider.setRange(0, 100, 1)
        self._delay_slider.setValue(self.delay)
        self._delay_slider.setMinimumWidth(200)
        self._delay_slider.valueChanged.connect(self.set_delay)
        self._delay_layout.addWidget(self._delay_slider)
        self.top_layout.addLayout(self._delay_layout)
        self.west_stream_trigged_pdu_0 = west.stream_trigged_pdu("start_payload", 2048)
        self.west_ber_pdu_0 = west.ber_pdu(payload_str)
        self._timing_loop_bw_layout = Qt.QVBoxLayout()
        self._timing_loop_bw_label = Qt.QLabel("Time: BW")
        self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005)
        self._timing_loop_bw_slider.setValue(self.timing_loop_bw)
        self._timing_loop_bw_slider.setMinimumWidth(200)
        self._timing_loop_bw_slider.valueChanged.connect(self.set_timing_loop_bw)
        self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label)
        self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider)
        self.top_grid_layout.addLayout(self._timing_loop_bw_layout, 3,1,1,1)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
        	1024, #size
        	samp_rate, #samp_rate
        	"", #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(False)
        self.qtgui_time_sink_x_0.enable_grid(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", "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_layout.addWidget(self._qtgui_time_sink_x_0_win)
        self.qtgui_const_sink_x_1_0 = qtgui.const_sink_c(
        	1024, #size
        	"Equalizer", #name
        	1 #number of inputs
        )
        self.qtgui_const_sink_x_1_0.set_update_time(0.10)
        self.qtgui_const_sink_x_1_0.set_y_axis(-2, 2)
        self.qtgui_const_sink_x_1_0.set_x_axis(-2, 2)
        self.qtgui_const_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
        self.qtgui_const_sink_x_1_0.enable_autoscale(False)
        self.qtgui_const_sink_x_1_0.enable_grid(False)
        
        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_1_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_const_sink_x_1_0.set_line_label(i, labels[i])
            self.qtgui_const_sink_x_1_0.set_line_width(i, widths[i])
            self.qtgui_const_sink_x_1_0.set_line_color(i, colors[i])
            self.qtgui_const_sink_x_1_0.set_line_style(i, styles[i])
            self.qtgui_const_sink_x_1_0.set_line_marker(i, markers[i])
            self.qtgui_const_sink_x_1_0.set_line_alpha(i, alphas[i])
        
        self._qtgui_const_sink_x_1_0_win = sip.wrapinstance(self.qtgui_const_sink_x_1_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_const_sink_x_1_0_win)
        self.qtgui_const_sink_x_1 = qtgui.const_sink_c(
        	1024, #size
        	"Clock Sync Output", #name
        	1 #number of inputs
        )
        self.qtgui_const_sink_x_1.set_update_time(0.10)
        self.qtgui_const_sink_x_1.set_y_axis(-2, 2)
        self.qtgui_const_sink_x_1.set_x_axis(-2, 2)
        self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
        self.qtgui_const_sink_x_1.enable_autoscale(False)
        self.qtgui_const_sink_x_1.enable_grid(False)
        
        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_1.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_const_sink_x_1.set_line_label(i, labels[i])
            self.qtgui_const_sink_x_1.set_line_width(i, widths[i])
            self.qtgui_const_sink_x_1.set_line_color(i, colors[i])
            self.qtgui_const_sink_x_1.set_line_style(i, styles[i])
            self.qtgui_const_sink_x_1.set_line_marker(i, markers[i])
            self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i])
        
        self._qtgui_const_sink_x_1_win = sip.wrapinstance(self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_const_sink_x_1_win)
        self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
        	2048, #size
        	"Costas Loop Output", #name
        	1 #number of inputs
        )
        self.qtgui_const_sink_x_0_0.set_update_time(0.10)
        self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2)
        self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2)
        self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
        self.qtgui_const_sink_x_0_0.enable_autoscale(False)
        self.qtgui_const_sink_x_0_0.enable_grid(False)
        
        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_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i])
            self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i])
            self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i])
            self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i])
            self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i])
            self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i])
        
        self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_win, 0,1,1,1)
        self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
        	  1,
                  taps=(rrc_taps[:-1]),
        	  flt_size=32)
        self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
        	
        self._gain_layout = Qt.QVBoxLayout()
        self._gain_tool_bar = Qt.QToolBar(self)
        self._gain_layout.addWidget(self._gain_tool_bar)
        self._gain_tool_bar.addWidget(Qt.QLabel("RF gain"+": "))
        class qwt_counter_pyslot(Qwt.QwtCounter):
            def __init__(self, parent=None):
                Qwt.QwtCounter.__init__(self, parent)
            @pyqtSlot('double')
            def setValue(self, value):
                super(Qwt.QwtCounter, self).setValue(value)
        self._gain_counter = qwt_counter_pyslot()
        self._gain_counter.setRange(0, 90, 1)
        self._gain_counter.setNumButtons(2)
        self._gain_counter.setValue(self.gain)
        self._gain_tool_bar.addWidget(self._gain_counter)
        self._gain_counter.valueChanged.connect(self.set_gain)
        self._gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._gain_slider.setRange(0, 90, 1)
        self._gain_slider.setValue(self.gain)
        self._gain_slider.setMinimumWidth(200)
        self._gain_slider.valueChanged.connect(self.set_gain)
        self._gain_layout.addWidget(self._gain_slider)
        self.top_layout.addLayout(self._gain_layout)
        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(.015, 2)
        self.digital_correlate_access_code_bb_0 = digital.correlate_access_code_bb(access_code_str, 1)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=qpsk_const,
          differential=True,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=excess_bw,
          verbose=False,
          log=False,
          )
        (self.digital_constellation_modulator_0).set_processor_affinity([2])
        self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const)
        self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(16, 1, 0.15/100., 1)
        self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_cc(sps*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.005)
        self.blocks_vector_source_x_0_0 = blocks.vector_source_b([135, 201]*5000 + access_code + payload*100000, False, 1, [])
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
        self.blocks_sub_xx_0 = blocks.sub_ff(1)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((.0001, ))
        self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_char*1, 1)
        self.blocks_delay_0 = blocks.delay(gr.sizeof_char*1, int(delay))
        self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
        self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
        self.blocks_add_xx_0 = blocks.add_vcc(1)
        self.analog_fastnoise_source_x_0 = analog.fastnoise_source_c(analog.GR_GAUSSIAN, 0.3, 0, 8192)
        self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-1, 1.0, 1)
        self.analog_agc2_xx_0.set_max_gain(65536)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_add_xx_0, 0))
        self.connect((self.analog_fastnoise_source_x_0, 0), (self.blocks_add_xx_0, 1))
        self.connect((self.blocks_vector_source_x_0_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_throttle_0, 0), (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_delay_0, 0))
        self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
        self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.qtgui_const_sink_x_1, 0))
        self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
        self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_const_sink_x_1_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.analog_agc2_xx_0, 0))
        self.connect((self.analog_agc2_xx_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
        self.connect((self.blocks_delay_0, 0), (self.blocks_char_to_float_0_0, 0))
        self.connect((self.digital_correlate_access_code_bb_0, 0), (self.blocks_char_to_float_0, 0))
        self.connect((self.blocks_sub_xx_0, 0), (self.qtgui_time_sink_x_0, 0))
        self.connect((self.blocks_char_to_float_0, 0), (self.blocks_sub_xx_0, 0))
        self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_sub_xx_0, 1))
        self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_keep_one_in_n_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
        self.connect((self.digital_correlate_access_code_bb_0, 0), (self.west_stream_trigged_pdu_0, 0))
        self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_correlate_access_code_bb_0, 0))
        self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0))

        ##################################################
        # Asynch Message Connections
        ##################################################
        self.msg_connect(self.west_stream_trigged_pdu_0, "pdus", self.west_ber_pdu_0, "pdus")
Ejemplo n.º 10
0
    def __init__(
        self,
        EbN0=0,
        element_error=0,
        esprit_decimation=128,
        fc=436e6,
        mx=4,
        my=4,
        n=1,
        phi=50,
        rs_decimation=8,
        theta=30,
    ):
        gr.top_block.__init__(self, "BER Simulation")

        ##################################################
        # Parameters
        ##################################################
        self.EbN0 = EbN0
        self.element_error = element_error
        self.esprit_decimation = esprit_decimation
        self.fc = fc
        self.mx = mx
        self.my = my
        self.n = n
        self.phi = phi
        self.rs_decimation = rs_decimation
        self.theta = theta

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 5
        self.N_BITS = N_BITS = 1e7
        self.samp_rate = samp_rate = 32000
        self.noise_voltage = noise_voltage = 1.0 / math.sqrt(
            1 / float(sps) * 10**(float(EbN0) / 10))
        self.intdump_decim = intdump_decim = min(int(N_BITS / 10), 100000)
        self.const = const = digital.constellation_bpsk().base()
        self.alpha = alpha = 0.35
        self.SKIP = SKIP = 1000
        self.RAND_SEED = RAND_SEED = 42

        ##################################################
        # Blocks
        ##################################################
        self.lilacsat1_ber_bpsk_0 = lilacsat1_ber_bpsk(
            bfo=12000,
            callsign="",
            ip="::",
            latitude=0,
            longitude=0,
            port=7355,
            recstart="",
        )
        self.fir_filter_xxx_0 = filter.fir_filter_ccc(1, (
            0,
            0,
            (1 + 1j) / numpy.sqrt(2),
        ))
        self.fir_filter_xxx_0.declare_sample_delay(0)
        self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
        self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2)
        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
        self.digital_descrambler_bb_0 = digital.descrambler_bb(0x21, 0x00, 16)
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=const,
            differential=False,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=alpha,
            verbose=False,
            log=False,
        )
        self.blocks_vector_source_x_0 = blocks.vector_source_b([1], True, 1,
                                                               [])
        self.blocks_vector_sink_x_0 = blocks.vector_sink_f(1, 1024)
        self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
        self.blocks_skiphead_0 = blocks.skiphead(gr.sizeof_char * 1, SKIP)
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_not_xx_0 = blocks.not_bb()
        self.blocks_multiply_const_vxx_1 = blocks.multiply_const_cc(0.1)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(
            1.0 / intdump_decim)
        self.blocks_integrate_xx_0 = blocks.integrate_ff(intdump_decim, 1)
        self.blocks_head_0 = blocks.head(gr.sizeof_char * 1, int(N_BITS))
        self.blocks_and_const_xx_0 = blocks.and_const_bb(1)
        self.blocks_add_xx_0 = blocks.add_vcc(mx * my)
        self.beamforming_randomsampler_0 = beamforming.randomsampler(
            mx * my, rs_decimation)
        self.beamforming_phasedarray_0 = beamforming.phasedarray(
            mx, my, theta, phi, fc, (299792458 / (2 * fc)), element_error)
        self.beamforming_doaesprit_py_cf_0 = beamforming.doaesprit_py_cf(
            mx, my, fc, (299792458 / (2 * fc)), n, 128)
        self.beamforming_beamformer_0 = beamforming.beamformer(mx, my, 0)
        self.analog_vectornoise_source_0 = analog.vectornoise_source(
            noise_voltage, mx * my)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect(
            (self.beamforming_doaesprit_py_cf_0, "doa_port"),
            (self.beamforming_beamformer_0, "doa_port"),
        )
        self.connect((self.analog_vectornoise_source_0, 0),
                     (self.blocks_add_xx_0, 1))
        self.connect((self.beamforming_beamformer_0, 0),
                     (self.blocks_multiply_const_vxx_1, 0))
        self.connect((self.beamforming_phasedarray_0, 0),
                     (self.blocks_add_xx_0, 0))
        self.connect(
            (self.beamforming_randomsampler_0, 0),
            (self.beamforming_doaesprit_py_cf_0, 0),
        )
        self.connect((self.blocks_add_xx_0, 0),
                     (self.beamforming_beamformer_0, 0))
        self.connect((self.blocks_add_xx_0, 0),
                     (self.beamforming_randomsampler_0, 0))
        self.connect((self.blocks_and_const_xx_0, 0),
                     (self.blocks_uchar_to_float_0, 0))
        self.connect((self.blocks_head_0, 0), (self.digital_scrambler_bb_0, 0))
        self.connect((self.blocks_integrate_xx_0, 0),
                     (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0),
                     (self.blocks_vector_sink_x_0, 0))
        self.connect((self.blocks_multiply_const_vxx_1, 0),
                     (self.lilacsat1_ber_bpsk_0, 0))
        self.connect((self.blocks_not_xx_0, 0),
                     (self.blocks_and_const_xx_0, 0))
        self.connect(
            (self.blocks_pack_k_bits_bb_0, 0),
            (self.digital_constellation_modulator_0, 0),
        )
        self.connect((self.blocks_skiphead_0, 0), (self.blocks_not_xx_0, 0))
        self.connect((self.blocks_uchar_to_float_0, 0),
                     (self.blocks_integrate_xx_0, 0))
        self.connect((self.blocks_vector_source_x_0, 0),
                     (self.blocks_head_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0),
                     (self.fir_filter_xxx_0, 0))
        self.connect((self.digital_descrambler_bb_0, 0),
                     (self.blocks_skiphead_0, 0))
        self.connect((self.digital_diff_decoder_bb_0, 0),
                     (self.digital_descrambler_bb_0, 0))
        self.connect((self.digital_diff_encoder_bb_0, 0),
                     (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.digital_scrambler_bb_0, 0),
                     (self.digital_diff_encoder_bb_0, 0))
        self.connect((self.fir_filter_xxx_0, 0),
                     (self.beamforming_phasedarray_0, 0))
        self.connect((self.lilacsat1_ber_bpsk_0, 0),
                     (self.digital_diff_decoder_bb_0, 0))
Ejemplo n.º 11
0
    def __init__(self, EbN0):
        gr.top_block.__init__(self, "BER Simulation")

        ##################################################
        # Variables
        ##################################################
        self.N_BITS = N_BITS = 1e5
        self.EbN0 = EbN0
        self.sps = sps = 5
        self.samp_rate = samp_rate = 32000
        self.noise_voltage = noise_voltage = 1.0 / math.sqrt(
            1 / float(sps) * 10 ** (float(EbN0) / 10)
        )
        self.intdump_decim = intdump_decim = min(int(N_BITS / 10), 100000)
        self.const = const = digital.constellation_bpsk().base()
        self.alpha = alpha = 0.35
        self.SKIP = SKIP = 1000
        self.RAND_SEED = RAND_SEED = 42

        ##################################################
        # Blocks
        ##################################################
        self.lilacsat1_ber_bpsk_0 = lilacsat1_ber_bpsk(
            bfo=12000,
            callsign="",
            ip="::",
            latitude=0,
            longitude=0,
            port=7355,
            recstart="",
        )
        self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
        self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2)
        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
        self.digital_descrambler_bb_0 = digital.descrambler_bb(0x21, 0x00, 16)
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=const,
            differential=False,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=alpha,
            verbose=False,
            log=False,
        )
        self.channels_channel_model_0 = channels.channel_model(
            noise_voltage=noise_voltage,
            frequency_offset=0.0,
            epsilon=1.0,
            taps=(0, 0, (1 + 1j) / numpy.sqrt(2),),
            noise_seed=RAND_SEED,
            block_tags=False,
        )
        self.blocks_vector_source_x_0 = blocks.vector_source_b([1], True, 1, [])
        self.blocks_vector_sink_x_0 = blocks.vector_sink_f(1, 1024)
        self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
        self.blocks_skiphead_0 = blocks.skiphead(gr.sizeof_char * 1, SKIP)
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_not_xx_0 = blocks.not_bb()
        self.blocks_multiply_const_vxx_1 = blocks.multiply_const_cc(0.1)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(1.0 / intdump_decim)
        self.blocks_integrate_xx_0 = blocks.integrate_ff(intdump_decim, 1)
        self.blocks_head_0 = blocks.head(gr.sizeof_char * 1, int(N_BITS))
        self.blocks_and_const_xx_0 = blocks.and_const_bb(1)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_and_const_xx_0, 0), (self.blocks_uchar_to_float_0, 0))
        self.connect((self.blocks_head_0, 0), (self.digital_scrambler_bb_0, 0))
        self.connect(
            (self.blocks_integrate_xx_0, 0), (self.blocks_multiply_const_vxx_0, 0)
        )
        self.connect(
            (self.blocks_multiply_const_vxx_0, 0), (self.blocks_vector_sink_x_0, 0)
        )
        self.connect(
            (self.blocks_multiply_const_vxx_1, 0), (self.lilacsat1_ber_bpsk_0, 0)
        )
        self.connect((self.blocks_not_xx_0, 0), (self.blocks_and_const_xx_0, 0))
        self.connect(
            (self.blocks_pack_k_bits_bb_0, 0),
            (self.digital_constellation_modulator_0, 0),
        )
        self.connect((self.blocks_skiphead_0, 0), (self.blocks_not_xx_0, 0))
        self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_integrate_xx_0, 0))
        self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_head_0, 0))
        self.connect(
            (self.channels_channel_model_0, 0), (self.blocks_multiply_const_vxx_1, 0)
        )
        self.connect(
            (self.digital_constellation_modulator_0, 0),
            (self.channels_channel_model_0, 0),
        )
        self.connect((self.digital_descrambler_bb_0, 0), (self.blocks_skiphead_0, 0))
        self.connect(
            (self.digital_diff_decoder_bb_0, 0), (self.digital_descrambler_bb_0, 0)
        )
        self.connect(
            (self.digital_diff_encoder_bb_0, 0), (self.blocks_pack_k_bits_bb_0, 0)
        )
        self.connect(
            (self.digital_scrambler_bb_0, 0), (self.digital_diff_encoder_bb_0, 0)
        )
        self.connect(
            (self.lilacsat1_ber_bpsk_0, 0), (self.digital_diff_decoder_bb_0, 0)
        )
Ejemplo n.º 12
0
    def __init__(self):
        gr.top_block.__init__(self, "Soft Decoder Example")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Soft Decoder Example")
        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", "constellation_soft_decoder")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.samp_rate = samp_rate = 100000
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
            nfilts, nfilts, 1.0 / float(sps), 0.35, 11 * sps * nfilts)
        self.noise_volt = noise_volt = 0.0001
        self.delay = delay = 29

        self.constel = constel = digital.constellation_dqpsk().base()

        self.constel.gen_soft_dec_lut(8)
        self.arity = arity = 4

        ##################################################
        # Blocks
        ##################################################
        self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200)
        self._noise_volt_win = RangeWidget(self._noise_volt_range,
                                           self.set_noise_volt,
                                           'Channel: Noise Voltage', "slider",
                                           float)
        self.top_grid_layout.addWidget(self._noise_volt_win, 0, 0, 1, 1)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 1):
            self.top_grid_layout.setColumnStretch(c, 1)
        self._delay_options = (
            29,
            58,
            116,
        )
        self._delay_labels = (
            'BPSK',
            'QPSK',
            'QAM16',
        )
        self._delay_tool_bar = Qt.QToolBar(self)
        self._delay_tool_bar.addWidget(Qt.QLabel('Delay' + ": "))
        self._delay_combo_box = Qt.QComboBox()
        self._delay_tool_bar.addWidget(self._delay_combo_box)
        for label in self._delay_labels:
            self._delay_combo_box.addItem(label)
        self._delay_callback = lambda i: Qt.QMetaObject.invokeMethod(
            self._delay_combo_box, "setCurrentIndex",
            Qt.Q_ARG("int", self._delay_options.index(i)))
        self._delay_callback(self.delay)
        self._delay_combo_box.currentIndexChanged.connect(
            lambda i: self.set_delay(self._delay_options[i]))
        self.top_grid_layout.addWidget(self._delay_tool_bar, 0, 1, 1, 1)
        for r in range(0, 1):
            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 = qtgui.time_sink_f(
            500,  #size
            samp_rate,  #samp_rate
            '',  #name
            3  #number of inputs
        )
        self.qtgui_time_sink_x_0.set_update_time(0.05)
        self.qtgui_time_sink_x_0.set_y_axis(-1, 2)

        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(False)
        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 = ['Soft', 'Hard', 'Orig', '', '', '', '', '', '', '']
        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(3):
            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, 1, 1, 1,
                                       1)
        for r in range(1, 2):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(1, 2):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.qtgui_const_sink_x_1 = qtgui.const_sink_c(
            1024,  #size
            '',  #name
            1  #number of inputs
        )
        self.qtgui_const_sink_x_1.set_update_time(0.10)
        self.qtgui_const_sink_x_1.set_y_axis(-2, 2)
        self.qtgui_const_sink_x_1.set_x_axis(-2, 2)
        self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE,
                                                   qtgui.TRIG_SLOPE_POS, 0.0,
                                                   0, "")
        self.qtgui_const_sink_x_1.enable_autoscale(False)
        self.qtgui_const_sink_x_1.enable_grid(False)
        self.qtgui_const_sink_x_1.enable_axis_labels(True)

        if not True:
            self.qtgui_const_sink_x_1.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_1.set_line_label(
                    i, "Data {0}".format(i))
            else:
                self.qtgui_const_sink_x_1.set_line_label(i, labels[i])
            self.qtgui_const_sink_x_1.set_line_width(i, widths[i])
            self.qtgui_const_sink_x_1.set_line_color(i, colors[i])
            self.qtgui_const_sink_x_1.set_line_style(i, styles[i])
            self.qtgui_const_sink_x_1.set_line_marker(i, markers[i])
            self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i])

        self._qtgui_const_sink_x_1_win = sip.wrapinstance(
            self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_const_sink_x_1_win, 1, 0, 1,
                                       1)
        for r in range(1, 2):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 1):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
            sps, 6.28 / 100.0, (rrc_taps), nfilts, nfilts / 2, 1.5, 1)
        self.digital_map_bb_0_0 = digital.map_bb((constel.pre_diff_code()))
        self.digital_constellation_soft_decoder_cf_0 = digital.constellation_soft_decoder_cf(
            constel)
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=constel,
            differential=False,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=0.35,
            verbose=False,
            log=False,
        )
        self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
            constel)
        self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
        self.channels_channel_model_0 = channels.channel_model(
            noise_voltage=noise_volt,
            frequency_offset=0.0,
            epsilon=1.0,
            taps=(1.0, ),
            noise_seed=0,
            block_tags=False)
        self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8)
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(
            constel.bits_per_symbol())
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate,
                                                 True)
        self.blocks_file_source_0 = blocks.file_source(
            gr.sizeof_char * 1,
            '/home/andre/Desktop/Trasmited/trasmit_10_mb.txt', True)
        self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
        self.blocks_delay_0 = blocks.delay(gr.sizeof_char * 1, int(delay))
        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_char_to_float_0 = blocks.char_to_float(1, 1)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_char_to_float_0, 0),
                     (self.qtgui_time_sink_x_0, 1))
        self.connect((self.blocks_char_to_float_0_0, 0),
                     (self.qtgui_time_sink_x_0, 0))
        self.connect((self.blocks_char_to_float_0_0_0, 0),
                     (self.qtgui_time_sink_x_0, 2))
        self.connect((self.blocks_delay_0, 0),
                     (self.blocks_char_to_float_0_0_0, 0))
        self.connect((self.blocks_file_source_0, 0),
                     (self.blocks_throttle_0, 0))
        self.connect((self.blocks_throttle_0, 0),
                     (self.blocks_unpack_k_bits_bb_0_0, 0))
        self.connect((self.blocks_throttle_0, 0),
                     (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0),
                     (self.blocks_char_to_float_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0_0, 0),
                     (self.blocks_delay_0, 0))
        self.connect((self.channels_channel_model_0, 0),
                     (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.digital_binary_slicer_fb_0, 0),
                     (self.blocks_char_to_float_0_0, 0))
        self.connect((self.digital_constellation_decoder_cb_0, 0),
                     (self.digital_map_bb_0_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0),
                     (self.channels_channel_model_0, 0))
        self.connect((self.digital_constellation_soft_decoder_cf_0, 0),
                     (self.digital_binary_slicer_fb_0, 0))
        self.connect((self.digital_map_bb_0_0, 0),
                     (self.blocks_unpack_k_bits_bb_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
                     (self.digital_constellation_decoder_cb_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
                     (self.digital_constellation_soft_decoder_cf_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
                     (self.qtgui_const_sink_x_1, 0))
Ejemplo n.º 13
0
    def __init__(self):
        gr.top_block.__init__(self, "Audio Modem1")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Audio Modem1")
        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", "audio_modem1")

        if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
            self.restoreGeometry(self.settings.value("geometry").toByteArray())
        else:
            self.restoreGeometry(
                self.settings.value("geometry", type=QtCore.QByteArray))

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 50
        self.nfilts = nfilts = 25
        self.samp_rate = samp_rate = 32E3
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
            nfilts, nfilts, 1.0 / float(sps), 0.35, 45 * nfilts)

        self.BPSK = BPSK = digital.constellation_bpsk().base()

        ##################################################
        # Blocks
        ##################################################
        self.qtgui_time_sink_x_1 = qtgui.time_sink_c(
            1024,  #size
            samp_rate,  #samp_rate
            "Bit Scope",  #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(False)
        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)
        self.qtgui_time_sink_x_1.enable_stem_plot(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(2):
            if len(labels[i]) == 0:
                if (i % 2 == 0):
                    self.qtgui_time_sink_x_1.set_line_label(
                        i, "Re{{Data {0}}}".format(i / 2))
                else:
                    self.qtgui_time_sink_x_1.set_line_label(
                        i, "Im{{Data {0}}}".format(i / 2))
            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 = qtgui.time_sink_f(
            1024,  #size
            samp_rate,  #samp_rate
            "Up conversion",  #name
            2  #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(False)
        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 = ['', '', '', '', '', '', '', '', '', '']
        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:
                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_layout.addWidget(self._qtgui_time_sink_x_0_win)
        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f(
            1024,  #size
            firdes.WIN_BLACKMAN_hARRIS,  #wintype
            0,  #fc
            samp_rate,  #bw
            "",  #name
            1  #number of inputs
        )
        self.qtgui_freq_sink_x_0.set_update_time(0.10)
        self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
        self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
        self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
                                                  "")
        self.qtgui_freq_sink_x_0.enable_autoscale(False)
        self.qtgui_freq_sink_x_0.enable_grid(False)
        self.qtgui_freq_sink_x_0.set_fft_average(1.0)
        self.qtgui_freq_sink_x_0.enable_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 "float" == "float" or "float" == "msg_float":
            self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)

        labels = ['', '', '', '', '', '', '', '', '', '']
        widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
        colors = [
            "blue", "red", "green", "black", "cyan", "magenta", "yellow",
            "dark red", "dark green", "dark blue"
        ]
        alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
        for i in xrange(1):
            if len(labels[i]) == 0:
                self.qtgui_freq_sink_x_0.set_line_label(
                    i, "Data {0}".format(i))
            else:
                self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
            self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
            self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
            self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])

        self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
            self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
        self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
            1024,  #size
            "Rx",  #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(True)
        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, 0, 1, 1,
                                       1)
        [self.top_grid_layout.setRowStretch(r, 1) for r in range(0, 1)]
        [self.top_grid_layout.setColumnStretch(c, 1) for c in range(1, 2)]
        self.low_pass_filter_0 = filter.fir_filter_ccf(
            1,
            firdes.low_pass(1, samp_rate, 1.6E3, .6E3, firdes.WIN_HAMMING,
                            6.76))
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
            sps, .063, (rrc_taps), nfilts, nfilts / 2, 1.5, 1)
        self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc(
            8, .01, 1, BPSK)
        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(.05, 2, False)
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=BPSK,
            differential=True,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=0.35,
            verbose=False,
            log=False,
        )
        self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
        self.blocks_throttle_1 = blocks.throttle(gr.sizeof_gr_complex * 1,
                                                 samp_rate * 2, True)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
                                                 samp_rate, True)
        self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
        self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
        self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
        self.blocks_file_source_0 = blocks.file_source(
            gr.sizeof_char * 1,
            '/home/peter/Desktop/acoustic_radio/Testings/bin_test.txt', True)
        self.blocks_file_sink_0_0 = blocks.file_sink(
            gr.sizeof_char * 1,
            '/home/peter/Desktop/acoustic_radio/Testings/bin_test_output.txt',
            False)
        self.blocks_file_sink_0_0.set_unbuffered(False)
        self.blocks_complex_to_real_1 = blocks.complex_to_real(1)
        self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
        self.blks2_tcp_sink_0 = grc_blks2.tcp_sink(
            itemsize=gr.sizeof_char * 1,
            addr='127.0.0.1',
            port=9989,
            server=False,
        )
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(
            grc_blks2.packet_encoder(
                samples_per_symbol=1,
                bits_per_symbol=1,
                preamble='',
                access_code='',
                pad_for_usrp=False,
            ),
            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.audio_source_0 = audio.source(16000, '', True)
        self.audio_sink_0 = audio.sink(16000, '', True)
        self.analog_sig_source_x_0_0 = analog.sig_source_c(
            samp_rate, analog.GR_COS_WAVE, -4E3, 1, 0)
        self.analog_sig_source_x_0 = analog.sig_source_f(
            samp_rate, analog.GR_COS_WAVE, 4E3, 1, 0)
        self.analog_feedforward_agc_cc_0 = analog.feedforward_agc_cc(
            1024, 1.55)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_feedforward_agc_cc_0, 0),
                     (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.analog_sig_source_x_0, 0),
                     (self.blocks_multiply_xx_0, 1))
        self.connect((self.analog_sig_source_x_0_0, 0),
                     (self.blocks_multiply_xx_0_0, 1))
        self.connect((self.audio_source_0, 0),
                     (self.blocks_float_to_complex_0, 0))
        self.connect((self.blks2_packet_decoder_0, 0),
                     (self.blks2_tcp_sink_0, 0))
        self.connect((self.blks2_packet_encoder_0, 0),
                     (self.blocks_file_sink_0_0, 0))
        self.connect((self.blks2_packet_encoder_0, 0),
                     (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_complex_to_real_0, 0),
                     (self.digital_binary_slicer_fb_0, 0))
        self.connect((self.blocks_complex_to_real_1, 0),
                     (self.blocks_multiply_xx_0, 0))
        self.connect((self.blocks_complex_to_real_1, 0),
                     (self.qtgui_time_sink_x_0, 0))
        self.connect((self.blocks_file_source_0, 0),
                     (self.blks2_packet_encoder_0, 0))
        self.connect((self.blocks_float_to_complex_0, 0),
                     (self.blocks_multiply_xx_0_0, 0))
        self.connect((self.blocks_multiply_xx_0, 0), (self.audio_sink_0, 0))
        self.connect((self.blocks_multiply_xx_0, 0),
                     (self.qtgui_freq_sink_x_0, 0))
        self.connect((self.blocks_multiply_xx_0, 0),
                     (self.qtgui_time_sink_x_0, 1))
        self.connect((self.blocks_multiply_xx_0_0, 0),
                     (self.low_pass_filter_0, 0))
        self.connect((self.blocks_throttle_0, 0),
                     (self.blocks_complex_to_real_1, 0))
        self.connect((self.blocks_throttle_1, 0),
                     (self.analog_feedforward_agc_cc_0, 0))
        self.connect((self.digital_binary_slicer_fb_0, 0),
                     (self.digital_diff_decoder_bb_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0),
                     (self.blocks_throttle_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0),
                     (self.digital_lms_dd_equalizer_cc_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0),
                     (self.qtgui_time_sink_x_1, 0))
        self.connect((self.digital_diff_decoder_bb_0, 0),
                     (self.blks2_packet_decoder_0, 0))
        self.connect((self.digital_lms_dd_equalizer_cc_0, 0),
                     (self.blocks_complex_to_real_0, 0))
        self.connect((self.digital_lms_dd_equalizer_cc_0, 0),
                     (self.qtgui_const_sink_x_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
                     (self.digital_costas_loop_cc_0, 0))
        self.connect((self.low_pass_filter_0, 0), (self.blocks_throttle_1, 0))
Ejemplo n.º 14
0
    def __init__(self):
        gr.top_block.__init__(self, "Qam Example")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Qam Example")
        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", "qam_example")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Variables
        ##################################################

        self.variable_constellation_0 = variable_constellation_0 = digital.constellation_qpsk(
        ).base()

        self.samp_rate = samp_rate = 500e3
        self.freq = freq = 25e3

        ##################################################
        # Blocks
        ##################################################
        self.uhd_usrp_source_0 = uhd.usrp_source(
            ",".join(("", "")),
            uhd.stream_args(
                cpu_format="fc32",
                channels=range(1),
            ),
        )
        self.uhd_usrp_source_0.set_samp_rate(samp_rate)
        self.uhd_usrp_source_0.set_center_freq(1.9e9, 0)
        self.uhd_usrp_source_0.set_gain(60, 0)
        self.uhd_usrp_source_0.set_antenna('RX2', 0)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
            ",".join(("", "")),
            uhd.stream_args(
                cpu_format="fc32",
                channels=range(1),
            ),
        )
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(1.9e9, 0)
        self.uhd_usrp_sink_0.set_gain(20, 0)
        self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
        self.digital_qam_demod_0 = digital.qam.qam_demod(
            constellation_points=4,
            differential=True,
            samples_per_symbol=8,
            excess_bw=0.009,
            freq_bw=0,
            timing_bw=0,
            phase_bw=0,
            mod_code="gray",
            verbose=False,
            log=False,
        )
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
            8, 0.002, (firdes.root_raised_cosine(
                128, 128, 1.0 / float(4), 0.35, 45 * 128)), 32, 8, 1.5, 1)
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=variable_constellation_0,
            differential=True,
            samples_per_symbol=8,
            pre_diff_code=True,
            excess_bw=0.009,
            verbose=False,
            log=False,
        )
        self.blocks_short_to_float_0 = blocks.short_to_float(1, 1)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((5, ))
        self.blocks_float_to_char_0 = blocks.float_to_char(1, 1)
        self.blocks_file_sink_1_0 = blocks.file_sink(
            gr.sizeof_gr_complex * 1, './qpsk_tx_constellation.log', False)
        self.blocks_file_sink_1_0.set_unbuffered(False)
        self.blocks_file_sink_1 = blocks.file_sink(
            gr.sizeof_gr_complex * 1, './qpsk_rx_constellation.log', False)
        self.blocks_file_sink_1.set_unbuffered(False)
        self.blocks_file_sink_0_0 = blocks.file_sink(
            gr.sizeof_float * 1, './qpsk_original_signal.log', False)
        self.blocks_file_sink_0_0.set_unbuffered(False)
        self.blocks_file_sink_0 = blocks.file_sink(
            gr.sizeof_float * 1, './qpsk_rx_decoded_signal.log', False)
        self.blocks_file_sink_0.set_unbuffered(False)
        self.blocks_char_to_float_1 = blocks.char_to_float(1, 1)
        self.analog_random_source_x_0 = blocks.vector_source_s(
            map(int, numpy.random.randint(0, 2, 1000000)), True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_random_source_x_0, 0),
                     (self.blocks_short_to_float_0, 0))
        self.connect((self.blocks_char_to_float_1, 0),
                     (self.blocks_file_sink_0, 0))
        self.connect((self.blocks_float_to_char_0, 0),
                     (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0),
                     (self.blocks_file_sink_1_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0),
                     (self.uhd_usrp_sink_0, 0))
        self.connect((self.blocks_short_to_float_0, 0),
                     (self.blocks_file_sink_0_0, 0))
        self.connect((self.blocks_short_to_float_0, 0),
                     (self.blocks_float_to_char_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0),
                     (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
                     (self.blocks_file_sink_1, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
                     (self.digital_qam_demod_0, 0))
        self.connect((self.digital_qam_demod_0, 0),
                     (self.blocks_char_to_float_1, 0))
        self.connect((self.uhd_usrp_source_0, 0),
                     (self.digital_pfb_clock_sync_xxx_0, 0))
Ejemplo n.º 15
0
    def __init__(self,
                 host='127.0.0.1',
                 iq_port=9094,
                 tx_packet_filename='out_packets.bin'):
        gr.top_block.__init__(self, "Hurdle 1")

        ##################################################
        # Parameters
        ##################################################
        self.host = host
        self.iq_port = iq_port
        self.tx_packet_filename = tx_packet_filename

        ##################################################
        # Variables
        ##################################################
        self.symbol_rate = symbol_rate = 1000000
        self.samp_rate = samp_rate = 4000000

        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
            1.0, samp_rate, symbol_rate, 0.35, 11 * 4)

        self.constellation_1 = constellation_1 = digital.constellation_calcdist(
            ([-1 - 1j, -1 + 1j, 1 + 1j, 1 - 1j]), ([0, 1, 3, 2]), 4, 1).base()

        ##################################################
        # Blocks
        ##################################################
        self.hurdle1_zero_pad_0 = hurdle1.zero_pad(gr.sizeof_gr_complex,
                                                   'zero_pad')
        self.hurdle1_traffic_parser_0 = hurdle1.traffic_parser(
            'pkt_len', 'zero_pad')
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=constellation_1,
            differential=False,
            samples_per_symbol=samp_rate / symbol_rate,
            pre_diff_code=True,
            excess_bw=0.35,
            verbose=False,
            log=False,
        )
        self.blocks_tcp_server_sink_0 = blocks.tcp_server_sink(
            gr.sizeof_gr_complex * 1, host, iq_port, False)
        self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char * 1,
                                                       tx_packet_filename,
                                                       False)
        self.blocks_add_xx_0 = blocks.add_vcc(1)
        self.analog_sig_source_x_0 = analog.sig_source_c(
            samp_rate, analog.GR_COS_WAVE, 74500, 1, 0)
        self.analog_noise_source_x_0 = analog.noise_source_c(
            analog.GR_GAUSSIAN, 0, 0)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_noise_source_x_0, 0),
                     (self.blocks_add_xx_0, 1))
        self.connect((self.analog_sig_source_x_0, 0),
                     (self.blocks_multiply_xx_0, 1))
        self.connect((self.blocks_add_xx_0, 0),
                     (self.blocks_tcp_server_sink_0, 0))
        self.connect((self.blocks_file_source_0, 0),
                     (self.hurdle1_traffic_parser_0, 0))
        self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_add_xx_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0),
                     (self.hurdle1_zero_pad_0, 0))
        self.connect((self.hurdle1_traffic_parser_0, 0),
                     (self.digital_constellation_modulator_0, 0))
        self.connect((self.hurdle1_zero_pad_0, 0),
                     (self.blocks_multiply_xx_0, 0))
    def __init__(self):
        gr.top_block.__init__(self, "Tx Application")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Tx Application")
        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_application")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-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,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1]
        self.usrp_rf_freq = usrp_rf_freq = 2475e6
        self.sps = sps = 4
        self.samp_rate = samp_rate = 200000
        self.qpsk = qpsk = digital.constellation_rect(([0.25*(0.707+0.707j),0.25*( -0.707+0.707j),0.25*( -0.707-0.707j), 0.25*(0.707-0.707j)]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
        self.preamble_qpsk = preamble_qpsk = map(lambda x: x*(1+1j)/pow(2,0.5), preamble)
        self.payload_size = payload_size = 100
        self.length_tag_key = length_tag_key = "packet_len"
        self.header_len = header_len = 4
        self.gain = gain = 26
        self.eb = eb = 0.35
        self.digital_gain = digital_gain = 1.0/4
        self.crc_len = crc_len = 4
        self.bps = bps = 2
        self.addr = addr = "addr=192.168.60.2"

        ##################################################
        # Blocks
        ##################################################
        self._usrp_rf_freq_range = Range(2400e6, 2500e6, 100e3, 2475e6, 200)
        self._usrp_rf_freq_win = RangeWidget(self._usrp_rf_freq_range, self.set_usrp_rf_freq, "Rx Frequency", "counter_slider")
        self.top_layout.addWidget(self._usrp_rf_freq_win)
        self._gain_range = Range(0, 31.5, 0.5, 26, 200)
        self._gain_win = RangeWidget(self._gain_range, self.set_gain, "Tx Gain", "counter_slider")
        self.top_layout.addWidget(self._gain_win)
        self.uhd_usrp_sink_0_0 = uhd.usrp_sink(
        	",".join((addr, "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0_0.set_center_freq(usrp_rf_freq, 0)
        self.uhd_usrp_sink_0_0.set_gain(gain, 0)
        self.uhd_usrp_sink_0_0.set_antenna("J1", 0)
        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
        	1024, #size
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	usrp_rf_freq, #fc
        	samp_rate, #bw
        	"QT GUI 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(-120, 20)
        self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
        self.qtgui_freq_sink_x_0.enable_autoscale(False)
        self.qtgui_freq_sink_x_0.enable_grid(False)
        self.qtgui_freq_sink_x_0.set_fft_average(1.0)
        self.qtgui_freq_sink_x_0.enable_control_panel(False)
        
        if not True:
          self.qtgui_freq_sink_x_0.disable_legend()
        
        if complex == type(float()):
          self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
        
        labels = ["", "", "", "", "",
                  "", "", "", "", ""]
        widths = [1, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        colors = ["blue", "red", "green", "black", "cyan",
                  "magenta", "yellow", "dark red", "dark green", "dark blue"]
        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
                  1.0, 1.0, 1.0, 1.0, 1.0]
        for i in xrange(1):
            if len(labels[i]) == 0:
                self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
            self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
            self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
            self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
        
        self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
        self.qpsk_preamp_to_bits = blocks.vector_source_b(map(lambda x: int((x*(1j-1)/pow(2,0.5)).real+1), preamble_qpsk), True, 1, [])
        self.padded_bits = blocks.vector_source_b((0,0,0,0,0,0,0,0), True, 1, [])
        (self.padded_bits).set_block_alias("padded bits")
        self.digital_packet_headergenerator_bb_default_0 = digital.packet_headergenerator_bb(header_len*8, length_tag_key)
        self.digital_crc32_bb_0 = digital.crc32_bb(False, length_tag_key)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=qpsk,
          differential=False,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=eb,
          verbose=False,
          log=False,
          )
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
        self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, payload_size, length_tag_key)
        self.blocks_stream_mux_0_0_0 = blocks.stream_mux(gr.sizeof_char*1, (len(preamble)*bps/8,header_len,payload_size+crc_len,6))
        self.blocks_pack_k_bits_bb_0_1 = blocks.pack_k_bits_bb(8)
        self.blocks_pack_k_bits_bb_0_0 = blocks.pack_k_bits_bb(8)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((digital_gain, ))
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/users/lwei/GITfolder/wirelessacademy/BasicTxRx/wilabt/file_sent.txt", True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_to_tagged_stream_0_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_freq_sink_x_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.uhd_usrp_sink_0_0, 0))    
        self.connect((self.blocks_pack_k_bits_bb_0_1, 0), (self.blocks_stream_mux_0_0_0, 0))    
        self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0))    
        self.connect((self.blocks_stream_to_tagged_stream_0_0, 0), (self.digital_crc32_bb_0, 0))    
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_0_1, 0))    
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_multiply_const_vxx_0, 0))    
        self.connect((self.digital_packet_headergenerator_bb_default_0, 0), (self.blocks_pack_k_bits_bb_0_0, 0))    
        self.connect((self.padded_bits, 0), (self.blocks_stream_mux_0_0_0, 3))    
        self.connect((self.qpsk_preamp_to_bits, 0), (self.blocks_unpack_k_bits_bb_0, 0))    
        self.connect((self.digital_crc32_bb_0, 0), (self.blocks_stream_mux_0_0_0, 2))    
        self.connect((self.digital_crc32_bb_0, 0), (self.digital_packet_headergenerator_bb_default_0, 0))    
        self.connect((self.blocks_pack_k_bits_bb_0_0, 0), (self.blocks_stream_mux_0_0_0, 1))    
Ejemplo n.º 17
0
    def __init__(self):
        gr.top_block.__init__(self, "Testing Ce")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Testing Ce")
        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", "testing_ce")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.eb = eb = 0.22

        self.tx_rrc_taps = tx_rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0, eb, 5*sps*nfilts)

        self.pld_const = pld_const = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 3, 2]), 4, 2, 2, 1, 1).base()
        self.pld_const.gen_soft_dec_lut(8)
        self.taps_per_filt = taps_per_filt = len(tx_rrc_taps)/nfilts
        self.samp_rate_array_MCR = samp_rate_array_MCR = [7500000,5000000,3750000,3000000,2500000,2000000,1500000,1000000,937500,882352,833333,714285,533333,500000,421052,400000,380952]
        self.rxmod = rxmod = digital.generic_mod(pld_const, False, sps, True, eb, False, False)

        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(sps, sps, 1.0, eb, 11*sps)

        self.ac_hex = ac_hex = [0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc]
        self.variable_qtgui_range_0_1 = variable_qtgui_range_0_1 = 39
        self.variable_qtgui_range_0 = variable_qtgui_range_0 = 50
        self.samp_rate = samp_rate = samp_rate_array_MCR[15]

        self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine(nfilts, nfilts*sps, 1.0, eb, 11*sps*nfilts)


        self.rx_psf_taps = rx_psf_taps = firdes.root_raised_cosine(nfilts, sps*nfilts, 1.0, eb, 11*sps*nfilts)

        self.modulated_sync_word = modulated_sync_word = digital.modulate_vector_bc(rxmod .to_basic_block(), (ac_hex), ([1]))
        self.mark_delay = mark_delay = 87
        self.frequencia_usrp = frequencia_usrp = 484e6
        self.filt_delay_0 = filt_delay_0 = 1+(taps_per_filt-1)/2
        self.filt_delay = filt_delay = 1+(len(rrc_taps)-1)/2
        self.MCR = MCR = "master_clock_rate=60e6"

        ##################################################
        # Blocks
        ##################################################
        self._variable_qtgui_range_0_1_range = Range(0, 73, 1, 39, 200)
        self._variable_qtgui_range_0_1_win = RangeWidget(self._variable_qtgui_range_0_1_range, self.set_variable_qtgui_range_0_1, 'Gain_RX', "counter_slider", float)
        self.top_grid_layout.addWidget(self._variable_qtgui_range_0_1_win, 0, 2, 1, 1)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(2, 3):
            self.top_grid_layout.setColumnStretch(c, 1)
        self._variable_qtgui_range_0_range = Range(0, 90, 1, 50, 200)
        self._variable_qtgui_range_0_win = RangeWidget(self._variable_qtgui_range_0_range, self.set_variable_qtgui_range_0, 'Gain_TX', "counter_slider", float)
        self.top_grid_layout.addWidget(self._variable_qtgui_range_0_win, 0, 1, 1, 1)
        for r in range(0, 1):
            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(("serial=F5EAC0", MCR)),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(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(frequencia_usrp, 0)
        self.uhd_usrp_source_0.set_gain(variable_qtgui_range_0_1, 0)
        self.uhd_usrp_source_0.set_antenna('RX2', 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_0 = uhd.usrp_sink(
        	",".join(("serial=F5EAE1", MCR)),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0_0.set_time_now(uhd.time_spec(time.time()), uhd.ALL_MBOARDS)
        self.uhd_usrp_sink_0_0.set_center_freq(frequencia_usrp, 0)
        self.uhd_usrp_sink_0_0.set_gain(variable_qtgui_range_0, 0)
        self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0)
        self.qtgui_time_sink_x_1_0 = qtgui.time_sink_c(
        	1024, #size
        	samp_rate, #samp_rate
        	"RX USRP", #name
        	1 #number of inputs
        )
        self.qtgui_time_sink_x_1_0.set_update_time(0.10)
        self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1)

        self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "")

        self.qtgui_time_sink_x_1_0.enable_tags(-1, True)
        self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
        self.qtgui_time_sink_x_1_0.enable_autoscale(False)
        self.qtgui_time_sink_x_1_0.enable_grid(False)
        self.qtgui_time_sink_x_1_0.enable_axis_labels(True)
        self.qtgui_time_sink_x_1_0.enable_control_panel(False)
        self.qtgui_time_sink_x_1_0.enable_stem_plot(False)

        if not True:
          self.qtgui_time_sink_x_1_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(2):
            if len(labels[i]) == 0:
                if(i % 2 == 0):
                    self.qtgui_time_sink_x_1_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
                else:
                    self.qtgui_time_sink_x_1_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
            else:
                self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i])
            self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i])
            self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i])
            self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i])
            self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i])
            self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i])

        self._qtgui_time_sink_x_1_0_win = sip.wrapinstance(self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_0_win, 1, 4, 1, 1)
        for r in range(1, 2):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(4, 5):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.qtgui_time_sink_x_1 = qtgui.time_sink_c(
        	1024, #size
        	samp_rate, #samp_rate
        	"TX USRP", #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(False)
        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)
        self.qtgui_time_sink_x_1.enable_stem_plot(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(2):
            if len(labels[i]) == 0:
                if(i % 2 == 0):
                    self.qtgui_time_sink_x_1.set_line_label(i, "Re{{Data {0}}}".format(i/2))
                else:
                    self.qtgui_time_sink_x_1.set_line_label(i, "Im{{Data {0}}}".format(i/2))
            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_grid_layout.addWidget(self._qtgui_time_sink_x_1_win, 1, 3, 1, 1)
        for r in range(1, 2):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(3, 4):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.qtgui_time_sink_x_0_1 = qtgui.time_sink_f(
        	100*2, #size
        	samp_rate, #samp_rate
        	'Rx Data', #name
        	1 #number of inputs
        )
        self.qtgui_time_sink_x_0_1.set_update_time(0.10)
        self.qtgui_time_sink_x_0_1.set_y_axis(-1, 256)

        self.qtgui_time_sink_x_0_1.set_y_label('Amplitude', "")

        self.qtgui_time_sink_x_0_1.enable_tags(-1, True)
        self.qtgui_time_sink_x_0_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, 'packet_length_tag_key')
        self.qtgui_time_sink_x_0_1.enable_autoscale(True)
        self.qtgui_time_sink_x_0_1.enable_grid(True)
        self.qtgui_time_sink_x_0_1.enable_axis_labels(True)
        self.qtgui_time_sink_x_0_1.enable_control_panel(False)
        self.qtgui_time_sink_x_0_1.enable_stem_plot(False)

        if not True:
          self.qtgui_time_sink_x_0_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_0_1.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_time_sink_x_0_1.set_line_label(i, labels[i])
            self.qtgui_time_sink_x_0_1.set_line_width(i, widths[i])
            self.qtgui_time_sink_x_0_1.set_line_color(i, colors[i])
            self.qtgui_time_sink_x_0_1.set_line_style(i, styles[i])
            self.qtgui_time_sink_x_0_1.set_line_marker(i, markers[i])
            self.qtgui_time_sink_x_0_1.set_line_alpha(i, alphas[i])

        self._qtgui_time_sink_x_0_1_win = sip.wrapinstance(self.qtgui_time_sink_x_0_1.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_1_win, 2, 3, 1, 1)
        for r in range(2, 3):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(3, 4):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.qtgui_time_sink_x_0_0_0 = qtgui.time_sink_f(
        	512, #size
        	1, #samp_rate
        	"", #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(-100, 4000)

        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_TAG, qtgui.TRIG_SLOPE_POS, 0, 15, 0, 'corr_est')
        self.qtgui_time_sink_x_0_0_0.enable_autoscale(False)
        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)
        self.qtgui_time_sink_x_0_0_0.enable_stem_plot(False)

        if not False:
          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_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_0_win, 3, 2, 1, 1)
        for r in range(3, 4):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(2, 3):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.qtgui_time_sink_x_0_0 = qtgui.time_sink_c(
        	512, #size
        	1, #samp_rate
        	"", #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(-100, 100)

        self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")

        self.qtgui_time_sink_x_0_0.enable_tags(-1, True)
        self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_TAG, qtgui.TRIG_SLOPE_POS, 0, 15, 0, 'corr_est')
        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)

        if not False:
          self.qtgui_time_sink_x_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(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, 2, 2, 1, 1)
        for r in range(2, 3):
            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_0_0_1 = qtgui.const_sink_c(
        	1024, #size
        	"RX Constellation", #name
        	1 #number of inputs
        )
        self.qtgui_const_sink_x_0_0_0_1.set_update_time(0.10)
        self.qtgui_const_sink_x_0_0_0_1.set_y_axis(-2, 2)
        self.qtgui_const_sink_x_0_0_0_1.set_x_axis(-2, 2)
        self.qtgui_const_sink_x_0_0_0_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
        self.qtgui_const_sink_x_0_0_0_1.enable_autoscale(False)
        self.qtgui_const_sink_x_0_0_0_1.enable_grid(False)
        self.qtgui_const_sink_x_0_0_0_1.enable_axis_labels(True)

        if not True:
          self.qtgui_const_sink_x_0_0_0_1.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_0_0_1.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_const_sink_x_0_0_0_1.set_line_label(i, labels[i])
            self.qtgui_const_sink_x_0_0_0_1.set_line_width(i, widths[i])
            self.qtgui_const_sink_x_0_0_0_1.set_line_color(i, colors[i])
            self.qtgui_const_sink_x_0_0_0_1.set_line_style(i, styles[i])
            self.qtgui_const_sink_x_0_0_0_1.set_line_marker(i, markers[i])
            self.qtgui_const_sink_x_0_0_0_1.set_line_alpha(i, alphas[i])

        self._qtgui_const_sink_x_0_0_0_1_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0_0_1.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_1_win, 2, 1, 1, 1)
        for r in range(2, 3):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(1, 2):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.qtgui_const_sink_x_0_0_0_0 = qtgui.const_sink_c(
        	1024, #size
        	"TX Constellation", #name
        	1 #number of inputs
        )
        self.qtgui_const_sink_x_0_0_0_0.set_update_time(0.10)
        self.qtgui_const_sink_x_0_0_0_0.set_y_axis(-2, 2)
        self.qtgui_const_sink_x_0_0_0_0.set_x_axis(-2, 2)
        self.qtgui_const_sink_x_0_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
        self.qtgui_const_sink_x_0_0_0_0.enable_autoscale(False)
        self.qtgui_const_sink_x_0_0_0_0.enable_grid(False)
        self.qtgui_const_sink_x_0_0_0_0.enable_axis_labels(True)

        if not True:
          self.qtgui_const_sink_x_0_0_0_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_0_0_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_const_sink_x_0_0_0_0.set_line_label(i, labels[i])
            self.qtgui_const_sink_x_0_0_0_0.set_line_width(i, widths[i])
            self.qtgui_const_sink_x_0_0_0_0.set_line_color(i, colors[i])
            self.qtgui_const_sink_x_0_0_0_0.set_line_style(i, styles[i])
            self.qtgui_const_sink_x_0_0_0_0.set_line_marker(i, markers[i])
            self.qtgui_const_sink_x_0_0_0_0.set_line_alpha(i, alphas[i])

        self._qtgui_const_sink_x_0_0_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_0_win, 1, 2, 1, 1)
        for r in range(1, 2):
            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(
        	512, #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 False:
          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, 1, 1, 1, 1)
        for r in range(1, 2):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(1, 2):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
        	  sps,
                  taps=(tx_rrc_taps),
        	  flt_size=nfilts)
        self.pfb_arb_resampler_xxx_0.declare_sample_delay(filt_delay)

        self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(sps, 6.28/400.0, (rx_rrc_taps), nfilts, nfilts/2, 1.5, 1)
        self.digital_map_bb_0_0 = digital.map_bb((pld_const.pre_diff_code()))
        self.digital_map_bb_0 = digital.map_bb((pld_const.pre_diff_code()))
        self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(6.28/100.0, pld_const.arity(), False)
        self.digital_correlate_access_code_xx_ts_0_0 = digital.correlate_access_code_bb_ts(digital.packet_utils.default_access_code,
          1, 'packet_len')
        self.digital_corr_est_cc_0 = digital.corr_est_cc((modulated_sync_word), sps, mark_delay, 0.99)
        self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(pld_const)
        self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc((pld_const.points()), 1)
        self.blocks_stream_mux_0_1_0 = blocks.stream_mux(gr.sizeof_char*1, (96, 896))
        self.blocks_repack_bits_bb_2 = blocks.repack_bits_bb(1, 8, '', False, gr.GR_MSB_FIRST)
        self.blocks_repack_bits_bb_1 = blocks.repack_bits_bb(8, 1, '', False, gr.GR_MSB_FIRST)
        self.blocks_repack_bits_bb_0_1 = blocks.repack_bits_bb(1, pld_const.bits_per_symbol(), '', False, gr.GR_MSB_FIRST)
        self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(pld_const.bits_per_symbol(), 1, '', False, gr.GR_MSB_FIRST)
        self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((0.7, ))
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/andre/Desktop/Trasmited/trasmit_10_mb.txt', False)
        self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
        self.blocks_file_sink_0_0_0_2 = blocks.file_sink(gr.sizeof_char*1, '/home/andre/Desktop/Trasmited/depois.txt', False)
        self.blocks_file_sink_0_0_0_2.set_unbuffered(False)
        self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
        self.blocks_char_to_float_1_0_1 = blocks.char_to_float(1, 1)
        self.acode_1104 = blocks.vector_source_b([0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1, 0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0], True, 1, [])



        ##################################################
        # Connections
        ##################################################
        self.connect((self.acode_1104, 0), (self.blocks_stream_mux_0_1_0, 0))
        self.connect((self.blocks_char_to_float_1_0_1, 0), (self.qtgui_time_sink_x_0_1, 0))
        self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.qtgui_time_sink_x_0_0_0, 0))
        self.connect((self.blocks_file_source_0, 0), (self.blocks_repack_bits_bb_1, 0))
        self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_const_sink_x_0_0_0_0, 0))
        self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_time_sink_x_1, 0))
        self.connect((self.blocks_multiply_const_vxx_1, 0), (self.uhd_usrp_sink_0_0, 0))
        self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_correlate_access_code_xx_ts_0_0, 0))
        self.connect((self.blocks_repack_bits_bb_0_1, 0), (self.digital_map_bb_0, 0))
        self.connect((self.blocks_repack_bits_bb_1, 0), (self.blocks_stream_mux_0_1_0, 1))
        self.connect((self.blocks_repack_bits_bb_2, 0), (self.blocks_file_sink_0_0_0_2, 0))
        self.connect((self.blocks_stream_mux_0_1_0, 0), (self.blocks_repack_bits_bb_0_1, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
        self.connect((self.digital_constellation_decoder_cb_0_0, 0), (self.digital_map_bb_0_0, 0))
        self.connect((self.digital_corr_est_cc_0, 1), (self.blocks_complex_to_mag_squared_0, 0))
        self.connect((self.digital_corr_est_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0_0, 0))
        self.connect((self.digital_corr_est_cc_0, 1), (self.qtgui_time_sink_x_0_0, 0))
        self.connect((self.digital_correlate_access_code_xx_ts_0_0, 0), (self.blocks_char_to_float_1_0_1, 0))
        self.connect((self.digital_correlate_access_code_xx_ts_0_0, 0), (self.blocks_repack_bits_bb_2, 0))
        self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_constellation_decoder_cb_0_0, 0))
        self.connect((self.digital_costas_loop_cc_0_0, 0), (self.qtgui_const_sink_x_0, 0))
        self.connect((self.digital_map_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0))
        self.connect((self.digital_map_bb_0_0, 0), (self.blocks_repack_bits_bb_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0), (self.digital_costas_loop_cc_0_0, 0))
        self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_multiply_const_vxx_1, 0))
        self.connect((self.uhd_usrp_source_0, 0), (self.digital_corr_est_cc_0, 0))
        self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_const_sink_x_0_0_0_1, 0))
        self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_time_sink_x_1_0, 0))
Ejemplo n.º 18
0
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Hop on Demand")
        _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Variables
        ##################################################
        self.tx_samp_rate = tx_samp_rate = 50e3
        self.tx_freq = tx_freq = 100e6
        self.sps = sps = 4
        self.rx_samp_rate = rx_samp_rate = 2e6
        self.rx_freq = rx_freq = 100e6
        self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
        self.excess_bw = excess_bw = 0.35

        ##################################################
        # Blocks
        ##################################################
        self.zeromq_sub_source_0 = zeromq.sub_source(gr.sizeof_gr_complex, 1, "tcp://127.0.0.1:5557", 1000, False, -1)
        self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
        	self.GetWin(),
        	baseband_freq=rx_freq,
        	y_per_div=10,
        	y_divs=10,
        	ref_level=0,
        	ref_scale=2.0,
        	sample_rate=rx_samp_rate,
        	fft_size=1024,
        	fft_rate=15,
        	average=True,
        	avg_alpha=None,
        	title="FFT Plot",
        	peak_hold=True,
        )
        self.Add(self.wxgui_fftsink2_0.win)
        self.uhd_usrp_source_0 = uhd.usrp_source(
        	",".join(("", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_source_0.set_samp_rate(rx_samp_rate)
        self.uhd_usrp_source_0.set_center_freq(rx_freq, 0)
        self.uhd_usrp_source_0.set_gain(15, 0)
        self.uhd_usrp_source_0.set_antenna("RX2", 0)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	",".join(("", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0.set_samp_rate(tx_samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(tx_freq, 0)
        self.uhd_usrp_sink_0.set_gain(30, 0)
        self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
        self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
        	1, rx_samp_rate, 1e6, 30e3, firdes.WIN_HAMMING, 6.76))
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=qpsk,
          differential=True,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=excess_bw,
          verbose=False,
          log=False,
          )
        self.blocks_probe_signal_x_0 = blocks.probe_signal_c()
        self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0))    
        self.connect((self.digital_constellation_modulator_0, 0), (self.uhd_usrp_sink_0, 0))    
        self.connect((self.low_pass_filter_0, 0), (self.wxgui_fftsink2_0, 0))    
        self.connect((self.uhd_usrp_source_0, 0), (self.low_pass_filter_0, 0))    
        self.connect((self.zeromq_sub_source_0, 0), (self.blocks_probe_signal_x_0, 0))

	### Added by Bill Urrego ###
    	t = Thread(target=sub, args=(self.change_freq,))
    	t.start()
Ejemplo n.º 19
0
 def set_sps(self, sps):
     self.sps = sps
     self.set_rxmod(digital.generic_mod(self.pld_const, False, self.sps, True, self.eb, False, False))
     self.pfb_arb_resampler_xxx_0.set_rate(self.sps)
Ejemplo n.º 20
0
    def __init__(self):
        gr.top_block.__init__(self, "Mpsk Stage4")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Mpsk Stage4")
        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", "mpsk_stage4")

        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.sps = sps = 4
        self.nfilts = nfilts = 32
        self.timing_loop_bw = timing_loop_bw = 6.28/100.0
        self.time_offset = time_offset = 1.00
        self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
        self.samp_rate = samp_rate = 32000
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)
        self.qpsk = qpsk = digital.constellation_rect([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j], [0, 1, 2, 3],
        4, 2, 2, 1, 1).base()
        self.noise_volt = noise_volt = 0.0001
        self.freq_offset = freq_offset = 0
        self.excess_bw = excess_bw = 0.35
        self.eq_gain = eq_gain = 0.01
        self.arity = arity = 4

        ##################################################
        # Blocks
        ##################################################
        self.controls = Qt.QTabWidget()
        self.controls_widget_0 = Qt.QWidget()
        self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_0)
        self.controls_grid_layout_0 = Qt.QGridLayout()
        self.controls_layout_0.addLayout(self.controls_grid_layout_0)
        self.controls.addTab(self.controls_widget_0, 'Channel')
        self.controls_widget_1 = Qt.QWidget()
        self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_1)
        self.controls_grid_layout_1 = Qt.QGridLayout()
        self.controls_layout_1.addLayout(self.controls_grid_layout_1)
        self.controls.addTab(self.controls_widget_1, 'Receiver')
        self.top_grid_layout.addWidget(self.controls, 0, 0, 1, 2)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 2):
            self.top_grid_layout.setColumnStretch(c, 1)
        self._timing_loop_bw_range = Range(0.0, 0.2, 0.01, 6.28/100.0, 200)
        self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, 'Time: BW', "slider", float)
        self.controls_grid_layout_1.addWidget(self._timing_loop_bw_win, 0, 0, 1, 1)
        for r in range(0, 1):
            self.controls_grid_layout_1.setRowStretch(r, 1)
        for c in range(0, 1):
            self.controls_grid_layout_1.setColumnStretch(c, 1)
        self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.00, 200)
        self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, 'Timing Offset', "counter_slider", float)
        self.controls_grid_layout_0.addWidget(self._time_offset_win, 0, 2, 1, 1)
        for r in range(0, 1):
            self.controls_grid_layout_0.setRowStretch(r, 1)
        for c in range(2, 3):
            self.controls_grid_layout_0.setColumnStretch(c, 1)
        self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200)
        self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, 'Noise Voltage', "counter_slider", float)
        self.controls_grid_layout_0.addWidget(self._noise_volt_win, 0, 0, 1, 1)
        for r in range(0, 1):
            self.controls_grid_layout_0.setRowStretch(r, 1)
        for c in range(0, 1):
            self.controls_grid_layout_0.setColumnStretch(c, 1)
        self._freq_offset_range = Range(-0.1, 0.1, 0.001, 0, 200)
        self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, 'Frequency Offset', "counter_slider", float)
        self.controls_grid_layout_0.addWidget(self._freq_offset_win, 0, 1, 1, 1)
        for r in range(0, 1):
            self.controls_grid_layout_0.setRowStretch(r, 1)
        for c in range(1, 2):
            self.controls_grid_layout_0.setColumnStretch(c, 1)
        self._eq_gain_range = Range(0.0, 0.1, 0.001, 0.01, 200)
        self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, 'Equalizer: rate', "slider", float)
        self.controls_grid_layout_1.addWidget(self._eq_gain_win, 0, 1, 1, 1)
        for r in range(0, 1):
            self.controls_grid_layout_1.setRowStretch(r, 1)
        for c in range(1, 2):
            self.controls_grid_layout_1.setColumnStretch(c, 1)
        self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c(
            1024, #size
            firdes.WIN_BLACKMAN_hARRIS, #wintype
            0, #fc
            samp_rate, #bw
            '', #name
            1
        )
        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)



        labels = ['Equalized', '', '', '', '',
            '', '', '', '', '']
        widths = [2, 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, 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_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, 2, 1, 1, 1)
        for r in range(2, 3):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(1, 2):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
            1024, #size
            firdes.WIN_BLACKMAN_hARRIS, #wintype
            0, #fc
            samp_rate, #bw
            '', #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(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)



        labels = ['Timing Recov.', '', '', '', '',
            '', '', '', '', '']
        widths = [2, 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, 2, 0, 1, 1)
        for r in range(2, 3):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 1):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.qtgui_const_sink_x_1 = qtgui.const_sink_c(
            1024, #size
            '', #name
            1 #number of inputs
        )
        self.qtgui_const_sink_x_1.set_update_time(0.10)
        self.qtgui_const_sink_x_1.set_y_axis(-2, 2)
        self.qtgui_const_sink_x_1.set_x_axis(-2, 2)
        self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
        self.qtgui_const_sink_x_1.enable_autoscale(False)
        self.qtgui_const_sink_x_1.enable_grid(False)
        self.qtgui_const_sink_x_1.enable_axis_labels(True)


        labels = ['Timing Recov.', '', '', '', '',
            '', '', '', '', '']
        widths = [1, 1, 1, 1, 1,
            1, 1, 1, 1, 1]
        colors = ["blue", "red", "green", "black", "cyan",
            "magenta", "yellow", "dark red", "dark green", "red"]
        styles = [0, 0, 0, 0, 0,
            0, 0, 0, 0, 0]
        markers = [0, 0, 0, 0, 0,
            0, 0, 0, 0, 0]
        alphas = [0.6, 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_1.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_const_sink_x_1.set_line_label(i, labels[i])
            self.qtgui_const_sink_x_1.set_line_width(i, widths[i])
            self.qtgui_const_sink_x_1.set_line_color(i, colors[i])
            self.qtgui_const_sink_x_1.set_line_style(i, styles[i])
            self.qtgui_const_sink_x_1.set_line_marker(i, markers[i])
            self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i])

        self._qtgui_const_sink_x_1_win = sip.wrapinstance(self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_const_sink_x_1_win, 1, 0, 1, 1)
        for r in range(1, 2):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 1):
            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 = ['Equalized', '', '', '', '',
            '', '', '', '', '']
        widths = [1, 1, 1, 1, 1,
            1, 1, 1, 1, 1]
        colors = ["blue", "red", "green", "black", "cyan",
            "magenta", "yellow", "dark red", "dark green", "red"]
        styles = [0, 0, 0, 0, 0,
            0, 0, 0, 0, 0]
        markers = [0, 0, 0, 0, 0,
            0, 0, 0, 0, 0]
        alphas = [0.6, 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, 1, 1, 1, 1)
        for r in range(1, 2):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(1, 2):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, rrc_taps, nfilts, nfilts/2, 1.5, 2)
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=qpsk,
            differential=True,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=excess_bw,
            verbose=False,
            log=False)
        self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(11, 1, eq_gain, 2)
        self.channels_channel_model_0 = channels.channel_model(
            noise_voltage=noise_volt,
            frequency_offset=freq_offset,
            epsilon=time_offset,
            taps=taps,
            noise_seed=0,
            block_tags=False)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
        self.analog_random_source_x_0 = blocks.vector_source_b(list(map(int, numpy.random.randint(0, 256, 10000))), True)



        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
        self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_const_sink_x_0, 0))
        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_freq_sink_x_0_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_1, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
Ejemplo n.º 21
0
 def set_eb(self, eb):
     self.eb = eb
     self.set_rxmod(digital.generic_mod(self.pld_const, False, self.sps, True, self.eb, False, False))
Ejemplo n.º 22
0
    def __init__(self,
                 hdr_format=digital.header_format_default(
                     digital.packet_utils.default_access_code, 0)):
        gr.top_block.__init__(self, "Qpsk Usrp Loopback")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Qpsk Usrp Loopback")
        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", "qpsk_usrp_loopback")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Parameters
        ##################################################
        self.hdr_format = hdr_format

        ##################################################
        # Variables
        ##################################################

        self.qpsk = qpsk = digital.constellation_qpsk().base()

        self.excess_bw = excess_bw = 0.2
        self.base_sps = base_sps = 5
        self.sps = sps = 100
        self.samp_rate = samp_rate = 0.4e6
        self.rxmod = rxmod = digital.generic_mod(qpsk, False, base_sps, False,
                                                 excess_bw, False, False)
        self.vec = vec = [
            0x96, 0x85, 0x81, 0x4a, 0xd7, 0x2e, 0x73, 0xe4, 0x33, 0x33, 0x47,
            0xfc, 0x67, 0x3f, 0x72, 0x23, 0x44, 0x15, 0xc0, 0x04, 0x09, 0x13,
            0x59, 0x77
        ]

        self.rrc_taps_rx = rrc_taps_rx = firdes.root_raised_cosine(
            32, samp_rate / base_sps, base_sps, excess_bw, 11 * base_sps * 3)

        self.nfilts = nfilts = 32
        self.modulated_sync_word = modulated_sync_word = digital.modulate_vector_bc(
            rxmod.to_basic_block(),
            ([0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc]), ([1]))
        self.carrier_freq = carrier_freq = 85e3
        self.baseband_bw = baseband_bw = (1 + excess_bw) * (samp_rate / sps)
        self.acc_code = acc_code = "1111111100000000111100001111000011001100111111110000000010101010"

        ##################################################
        # Blocks
        ##################################################
        self.uhd_usrp_source_0 = uhd.usrp_source(
            ",".join(("addr=192.168.10.2", "")),
            uhd.stream_args(
                cpu_format="fc32",
                channels=range(1),
            ),
        )
        self.uhd_usrp_source_0.set_samp_rate(samp_rate)
        self.uhd_usrp_source_0.set_center_freq(uhd.tune_request(carrier_freq),
                                               0)
        self.uhd_usrp_source_0.set_normalized_gain(0.5, 0)
        self.uhd_usrp_source_0.set_antenna('A', 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(("addr=192.168.10.2", "")),
            uhd.stream_args(
                cpu_format="fc32",
                channels=range(1),
            ),
        )
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(uhd.tune_request(carrier_freq), 0)
        self.uhd_usrp_sink_0.set_normalized_gain(0.5, 0)
        self.uhd_usrp_sink_0.set_antenna('A', 0)
        self.qtgui_time_sink_x_2 = qtgui.time_sink_c(
            512,  #size
            samp_rate,  #samp_rate
            "scope",  #name
            1  #number of inputs
        )
        self.qtgui_time_sink_x_2.set_update_time(0.10)
        self.qtgui_time_sink_x_2.set_y_axis(-1, 1)

        self.qtgui_time_sink_x_2.set_y_label('Amplitude', "")

        self.qtgui_time_sink_x_2.enable_tags(-1, False)
        self.qtgui_time_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_NORM,
                                                  qtgui.TRIG_SLOPE_POS, 0.0, 0,
                                                  0, "")
        self.qtgui_time_sink_x_2.enable_autoscale(False)
        self.qtgui_time_sink_x_2.enable_grid(False)
        self.qtgui_time_sink_x_2.enable_axis_labels(True)
        self.qtgui_time_sink_x_2.enable_control_panel(False)
        self.qtgui_time_sink_x_2.enable_stem_plot(False)

        if not True:
            self.qtgui_time_sink_x_2.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(2):
            if len(labels[i]) == 0:
                if (i % 2 == 0):
                    self.qtgui_time_sink_x_2.set_line_label(
                        i, "Re{{Data {0}}}".format(i / 2))
                else:
                    self.qtgui_time_sink_x_2.set_line_label(
                        i, "Im{{Data {0}}}".format(i / 2))
            else:
                self.qtgui_time_sink_x_2.set_line_label(i, labels[i])
            self.qtgui_time_sink_x_2.set_line_width(i, widths[i])
            self.qtgui_time_sink_x_2.set_line_color(i, colors[i])
            self.qtgui_time_sink_x_2.set_line_style(i, styles[i])
            self.qtgui_time_sink_x_2.set_line_marker(i, markers[i])
            self.qtgui_time_sink_x_2.set_line_alpha(i, alphas[i])

        self._qtgui_time_sink_x_2_win = sip.wrapinstance(
            self.qtgui_time_sink_x_2.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_time_sink_x_2_win)
        self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
            1024,  #size
            samp_rate,  #samp_rate
            "Correlation Estimate",  #name
            1  #number of inputs
        )
        self.qtgui_time_sink_x_1.set_update_time(0.4)
        self.qtgui_time_sink_x_1.set_y_axis(-1, 2000)

        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_TAG,
                                                  qtgui.TRIG_SLOPE_POS, 0.0,
                                                  5e-05, 0, 'corr_est')
        self.qtgui_time_sink_x_1.enable_autoscale(False)
        self.qtgui_time_sink_x_1.enable_grid(True)
        self.qtgui_time_sink_x_1.enable_axis_labels(True)
        self.qtgui_time_sink_x_1.enable_control_panel(False)
        self.qtgui_time_sink_x_1.enable_stem_plot(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_grid_layout.addWidget(self._qtgui_time_sink_x_1_win)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
            128,  #size
            samp_rate,  #samp_rate
            "End",  #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, 150)

        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_TAG,
                                                  qtgui.TRIG_SLOPE_POS, 0.0, 0,
                                                  0, "len_key2")
        self.qtgui_time_sink_x_0.enable_autoscale(False)
        self.qtgui_time_sink_x_0.enable_grid(True)
        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 = ['', '', '', '', '', '', '', '', '', '']
        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_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
                                                     qtgui.NUM_GRAPH_NONE, 1)
        self.qtgui_number_sink_0.set_update_time(0.10)
        self.qtgui_number_sink_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 xrange(1):
            self.qtgui_number_sink_0.set_min(i, -1)
            self.qtgui_number_sink_0.set_max(i, 1)
            self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
            if len(labels[i]) == 0:
                self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
            else:
                self.qtgui_number_sink_0.set_label(i, labels[i])
            self.qtgui_number_sink_0.set_unit(i, units[i])
            self.qtgui_number_sink_0.set_factor(i, factor[i])

        self.qtgui_number_sink_0.enable_autoscale(False)
        self._qtgui_number_sink_0_win = sip.wrapinstance(
            self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win)
        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
            512,  #size
            firdes.WIN_BLACKMAN_hARRIS,  #wintype
            0,  #fc
            samp_rate,  #bw
            "scope",  #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 = ['', '', '', '', '', '', '', '', '', '']
        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(
            512,  #size
            "scope",  #name
            1  #number of inputs
        )
        self.qtgui_const_sink_x_0.set_update_time(0.05)
        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.math_0 = iio.iio_math('10^(-x)', 1)
        self.low_pass_filter_0 = filter.fir_filter_ccf(
            1,
            firdes.low_pass(1.2, samp_rate, 5e3, 1000, firdes.WIN_HAMMING,
                            6.76))
        self.fir_filter_xxx_0 = filter.fir_filter_ccc(sps / base_sps, (100, ))
        self.fir_filter_xxx_0.declare_sample_delay(0)
        self.fec_ber_bf_0 = fec.ber_bf(False, 100, -7.0)
        self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
            hdr_format, 'len_key')
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
            base_sps, 62.8e-3, (rrc_taps_rx), 36, 36 / 2, 1.25, 3)
        self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc(
            5, 5E-3, 3, qpsk)
        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
            62.8e-3, 4, False)
        self.digital_correlate_access_code_xx_ts_1_0_0 = digital.correlate_access_code_bb_ts(
            digital.packet_utils.default_access_code, 2, "len_key2")
        self.digital_corr_est_cc_0 = digital.corr_est_cc((modulated_sync_word),
                                                         base_sps, 150, 0.91)
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=qpsk,
            differential=True,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=excess_bw,
            verbose=False,
            log=False,
        )
        self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
            qpsk)
        self.blocks_vector_source_x_0 = blocks.vector_source_b(
            vec, True, 1, [])
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
        self.blocks_tagged_stream_mux_0_0 = blocks.tagged_stream_mux(
            gr.sizeof_char * 1, 'len_key', 0)
        self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
            gr.sizeof_char * 1, 'len_key', 0)
        self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_char * 1, False)
        self.blocks_tag_gate_0.set_single_key("")
        self.blocks_stream_to_tagged_stream_1 = blocks.stream_to_tagged_stream(
            gr.sizeof_char, 1, 119, "len_key")
        self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
            gr.sizeof_char, 1, len(vec), "len_key")
        self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
            1, 8, "", False, gr.GR_MSB_FIRST)
        self.blocks_file_source_0 = blocks.file_source(
            gr.sizeof_char * 1,
            '/home/peter/Desktop/acoustic_radio/Testings/test_input.txt', True)
        self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
        self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
        self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_char_to_float_0, 0),
                     (self.qtgui_time_sink_x_0, 0))
        self.connect((self.blocks_complex_to_mag_squared_0, 0),
                     (self.qtgui_time_sink_x_1, 0))
        self.connect((self.blocks_file_source_0, 0),
                     (self.blocks_stream_to_tagged_stream_1, 0))
        self.connect((self.blocks_repack_bits_bb_0, 0),
                     (self.blocks_char_to_float_0, 0))
        self.connect((self.blocks_repack_bits_bb_0, 0), (self.fec_ber_bf_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_0, 0),
                     (self.blocks_tagged_stream_mux_0_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_1, 0),
                     (self.blocks_tagged_stream_mux_0, 1))
        self.connect((self.blocks_stream_to_tagged_stream_1, 0),
                     (self.digital_protocol_formatter_bb_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_1, 0),
                     (self.fec_ber_bf_0, 1))
        self.connect((self.blocks_tag_gate_0, 0),
                     (self.digital_correlate_access_code_xx_ts_1_0_0, 0))
        self.connect((self.blocks_tagged_stream_mux_0, 0),
                     (self.blocks_tagged_stream_mux_0_0, 1))
        self.connect((self.blocks_tagged_stream_mux_0_0, 0),
                     (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0),
                     (self.blocks_tag_gate_0, 0))
        self.connect((self.blocks_vector_source_x_0, 0),
                     (self.blocks_stream_to_tagged_stream_0, 0))
        self.connect((self.digital_constellation_decoder_cb_0, 0),
                     (self.digital_diff_decoder_bb_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0),
                     (self.uhd_usrp_sink_0, 0))
        self.connect((self.digital_corr_est_cc_0, 1),
                     (self.blocks_complex_to_mag_squared_0, 0))
        self.connect((self.digital_corr_est_cc_0, 0),
                     (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.digital_correlate_access_code_xx_ts_1_0_0, 0),
                     (self.blocks_repack_bits_bb_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0),
                     (self.digital_constellation_decoder_cb_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0),
                     (self.qtgui_const_sink_x_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0),
                     (self.qtgui_freq_sink_x_0, 0))
        self.connect((self.digital_diff_decoder_bb_0, 0),
                     (self.blocks_unpack_k_bits_bb_0, 0))
        self.connect((self.digital_lms_dd_equalizer_cc_0, 0),
                     (self.digital_costas_loop_cc_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
                     (self.digital_lms_dd_equalizer_cc_0, 0))
        self.connect((self.digital_protocol_formatter_bb_0, 0),
                     (self.blocks_tagged_stream_mux_0, 0))
        self.connect((self.fec_ber_bf_0, 0), (self.math_0, 0))
        self.connect((self.fir_filter_xxx_0, 0),
                     (self.digital_corr_est_cc_0, 0))
        self.connect((self.low_pass_filter_0, 0), (self.fir_filter_xxx_0, 0))
        self.connect((self.low_pass_filter_0, 0),
                     (self.qtgui_time_sink_x_2, 0))
        self.connect((self.math_0, 0), (self.qtgui_number_sink_0, 0))
        self.connect((self.uhd_usrp_source_0, 0), (self.low_pass_filter_0, 0))
Ejemplo n.º 23
0
 def set_pld_const(self, pld_const):
     self.pld_const = pld_const
     self.set_rxmod(digital.generic_mod(self.pld_const, False, self.sps, True, self.eb, False, False))
Ejemplo n.º 24
0
 def set_base_sps(self, base_sps):
     self.base_sps = base_sps
     self.set_rxmod(
         digital.generic_mod(self.qpsk, False, self.base_sps, False,
                             self.excess_bw, False, False))
Ejemplo n.º 25
0
    def __init__(self):
        gr.top_block.__init__(self, "MPSK Transmitter")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("MPSK Transmitter")
        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",
                                     "mpsk_tx_constellationmod_qt")
        self.restoreGeometry(
            self.settings.value("geometry", type=QtCore.QByteArray))

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.samp_rate = samp_rate = 32000
        self.qpsk_const = qpsk_const = digital.constellation_rect(
            ([-1 - 1j, -1 + 1j, 1 + 1j, 1 - 1j]), ([0, 1, 3, 2]), 4, 2, 2, 1,
            1).base()
        self.excess_bw = excess_bw = 0.35
        self.arity = arity = 4

        ##################################################
        # Blocks
        ##################################################
        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
            1024,  #size
            firdes.WIN_BLACKMAN_hARRIS,  #wintype
            0,  #fc
            samp_rate,  #bw
            'QT GUI Plot',  #name
            5  #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(True)

        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(5):
            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, 1, 0, 1,
                                       2)
        for r in range(1, 2):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 2):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
            1024,  #size
            "",  #name
            5  #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(5):
            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.digital_constellation_modulator_0_1 = digital.generic_mod(
            constellation=qpsk_const,
            differential=True,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=0.35,
            verbose=False,
            log=False,
        )
        self.digital_constellation_modulator_0_0_0_0 = digital.generic_mod(
            constellation=qpsk_const,
            differential=True,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=1.0,
            verbose=False,
            log=False,
        )
        self.digital_constellation_modulator_0_0_0 = digital.generic_mod(
            constellation=qpsk_const,
            differential=True,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=0.5,
            verbose=False,
            log=False,
        )
        self.digital_constellation_modulator_0_0 = digital.generic_mod(
            constellation=qpsk_const,
            differential=True,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=0.22,
            verbose=False,
            log=False,
        )
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=qpsk_const,
            differential=True,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=0.1,
            verbose=False,
            log=False,
        )
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
                                                 samp_rate, True)
        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.digital_constellation_modulator_0, 0))
        self.connect((self.analog_random_source_x_0, 0),
                     (self.digital_constellation_modulator_0_0, 0))
        self.connect((self.analog_random_source_x_0, 0),
                     (self.digital_constellation_modulator_0_0_0, 0))
        self.connect((self.analog_random_source_x_0, 0),
                     (self.digital_constellation_modulator_0_0_0_0, 0))
        self.connect((self.analog_random_source_x_0, 0),
                     (self.digital_constellation_modulator_0_1, 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.digital_constellation_modulator_0, 0),
                     (self.blocks_throttle_0, 0))
        self.connect((self.digital_constellation_modulator_0_0, 0),
                     (self.qtgui_const_sink_x_0, 1))
        self.connect((self.digital_constellation_modulator_0_0, 0),
                     (self.qtgui_freq_sink_x_0, 1))
        self.connect((self.digital_constellation_modulator_0_0_0, 0),
                     (self.qtgui_const_sink_x_0, 3))
        self.connect((self.digital_constellation_modulator_0_0_0, 0),
                     (self.qtgui_freq_sink_x_0, 3))
        self.connect((self.digital_constellation_modulator_0_0_0_0, 0),
                     (self.qtgui_const_sink_x_0, 4))
        self.connect((self.digital_constellation_modulator_0_0_0_0, 0),
                     (self.qtgui_freq_sink_x_0, 4))
        self.connect((self.digital_constellation_modulator_0_1, 0),
                     (self.qtgui_const_sink_x_0, 2))
        self.connect((self.digital_constellation_modulator_0_1, 0),
                     (self.qtgui_freq_sink_x_0, 2))
Ejemplo n.º 26
0
    def __init__(self):
        gr.top_block.__init__(self, "Mpsk Stage6")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Mpsk Stage6")
        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", "mpsk_stage6")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.variable_0 = variable_0 = 0
        self.timing_loop_bw = timing_loop_bw = 6.28/100.0
        self.time_offset = time_offset = 1.00
        self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
        # ntaps = 3
        # taps = numpy.random.random(ntaps-1) + 1j*numpy.random.random(ntaps-1)
        # self.taps = taps = numpy.concatenate((numpy.ones(1), taps))
        # self.taps = taps
        self.samp_rate = samp_rate = 32000
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)
        self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
        self.phase_bw = phase_bw = 6.28/100.0
        self.noise_volt = noise_volt = 0
        self.freq_offset = freq_offset = 0
        self.excess_bw = excess_bw = 0.35
        self.eq_gain = eq_gain = 0.01
        self.delay = delay = 58
        self.arity = arity = 4

        ##################################################
        # Blocks
        ##################################################
        self.controls = Qt.QTabWidget()
        self.controls_widget_0 = Qt.QWidget()
        self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_0)
        self.controls_grid_layout_0 = Qt.QGridLayout()
        self.controls_layout_0.addLayout(self.controls_grid_layout_0)
        self.controls.addTab(self.controls_widget_0, 'Channel')
        self.controls_widget_1 = Qt.QWidget()
        self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_1)
        self.controls_grid_layout_1 = Qt.QGridLayout()
        self.controls_layout_1.addLayout(self.controls_grid_layout_1)
        self.controls.addTab(self.controls_widget_1, 'Receiver')
        self.top_grid_layout.addWidget(self.controls, 0,0,1,2)
        self._timing_loop_bw_range = Range(0.0, 0.2, 0.01, 6.28/100.0, 200)
        self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, 'Time: BW', "slider", float)
        self.controls_grid_layout_1.addWidget(self._timing_loop_bw_win,  0,0,1,1)
        self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.00, 200)
        self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, 'Timing Offset', "counter_slider", float)
        self.controls_grid_layout_0.addWidget(self._time_offset_win,  0,2,1,1)
        self.received = Qt.QTabWidget()
        self.received_widget_0 = Qt.QWidget()
        self.received_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_0)
        self.received_grid_layout_0 = Qt.QGridLayout()
        self.received_layout_0.addLayout(self.received_grid_layout_0)
        self.received.addTab(self.received_widget_0, 'Constellation')
        self.received_widget_1 = Qt.QWidget()
        self.received_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_1)
        self.received_grid_layout_1 = Qt.QGridLayout()
        self.received_layout_1.addLayout(self.received_grid_layout_1)
        self.received.addTab(self.received_widget_1, 'Symbols')
        self.top_grid_layout.addWidget(self.received, 2,0,1,1)
        self._phase_bw_range = Range(0.0, 1.0, 0.01, 6.28/100.0, 200)
        self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, 'Phase: Bandwidth', "slider", float)
        self.controls_grid_layout_1.addWidget(self._phase_bw_win,  0,2,1,1)
        self._noise_volt_range = Range(0, 1, 0.01, 0, 200)
        self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, 'Noise Voltage', "counter_slider", float)
        self.controls_grid_layout_0.addWidget(self._noise_volt_win,  0,0,1,1)
        self._freq_offset_range = Range(-0.1, 0.1, 0.001, 0, 200)
        self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, 'Frequency Offset', "counter_slider", float)
        self.controls_grid_layout_0.addWidget(self._freq_offset_win,  0,1,1,1)
        self._eq_gain_range = Range(0.0, 0.1, 0.001, 0.01, 200)
        self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, 'Equalizer: rate', "slider", float)
        self.controls_grid_layout_1.addWidget(self._eq_gain_win,  0,1,1,1)
        self._delay_range = Range(0, 200, 1, 58, 200)
        self._delay_win = RangeWidget(self._delay_range, self.set_delay, 'Delay', "counter_slider", float)
        self.top_grid_layout.addWidget(self._delay_win, 1,0,1,1)
        self.tutorial_my_qpsk_demod_cb_1 = tutorial.my_qpsk_demod_cb(True)
        self.qtgui_time_sink_x_1 = qtgui.time_sink_c(
        	1024, #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(2):
            if len(labels[i]) == 0:
                if(i % 2 == 0):
                    self.qtgui_time_sink_x_1.set_line_label(i, "Re{{Data {0}}}".format(i/2))
                else:
                    self.qtgui_time_sink_x_1.set_line_label(i, "Im{{Data {0}}}".format(i/2))
            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_grid_layout.addWidget(self._qtgui_time_sink_x_1_win, 4,0,1,1)
        self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
        	100, #size
        	samp_rate, #samp_rate
        	'', #name
        	2 #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, 2)

        self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")

        self.qtgui_time_sink_x_0_0.enable_tags(-1, 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(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)

        if not True:
          self.qtgui_time_sink_x_0_0.disable_legend()

        labels = ['Rx Bits', 'Tx Bits', '', '', '',
                  '', '', '', '', '']
        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:
                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, 2,1,1,1)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
        	500, #size
        	samp_rate, #samp_rate
        	'', #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, 4)

        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(False)
        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 = ['Symbols', '', '', '', '',
                  '', '', '', '', '']
        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.received_grid_layout_1.addWidget(self._qtgui_time_sink_x_0_win,  0,0,1,1)
        self.qtgui_number_sink_0 = qtgui.number_sink(
            gr.sizeof_float,
            0,
            qtgui.NUM_GRAPH_NONE,
            1
        )
        self.qtgui_number_sink_0.set_update_time(0.10)
        self.qtgui_number_sink_0.set_title("")

        labels = ['BER', '', '', '', '',
                  '', '', '', '', '']
        units = ['', '', '', '', '',
                 '', '', '', '', '']
        colors = [("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"),
                  ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black"), ("black", "black")]
        factor = [1e6, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        for i in xrange(1):
            self.qtgui_number_sink_0.set_min(i, 0)
            self.qtgui_number_sink_0.set_max(i, 1)
            self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
            if len(labels[i]) == 0:
                self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
            else:
                self.qtgui_number_sink_0.set_label(i, labels[i])
            self.qtgui_number_sink_0.set_unit(i, units[i])
            self.qtgui_number_sink_0.set_factor(i, factor[i])

        self.qtgui_number_sink_0.enable_autoscale(True)
        self._qtgui_number_sink_0_win = sip.wrapinstance(self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win, 3,0,1,1)
        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)

        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.received_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win,  0,0,1,1)
        self.iq_vector_sink = blocks.vector_sink_c(1)
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2)
        self.digital_map_bb_0 = digital.map_bb(([0,1,3,2]))
        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity, False)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=qpsk,
          differential=False,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=excess_bw,
          verbose=False,
          log=False,
          )
        self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2)
        snr = 18
        noise_amp = 10**(-snr/10.0)
        self.channels_channel_model_0 = channels.channel_model(
        	noise_voltage=noise_amp,
        	frequency_offset=freq_offset,
        	epsilon=time_offset,
        	taps=(taps),
        	noise_seed=0,
        	block_tags=False
        )
        self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8)
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
        self.blocks_file_sink_0_1 = blocks.file_sink(gr.sizeof_gr_complex*1, 'iq_qpsk.txt', False)
        self.blocks_file_sink_0_1.set_unbuffered(True)
        self.blocks_file_sink_0_0_0 = blocks.file_sink(gr.sizeof_float*1, 'decoded_qpsk.txt', False)
        self.blocks_file_sink_0_0_0.set_unbuffered(False)
        self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_float*1, 'ground_truth_qpsk.txt', False)
        self.blocks_file_sink_0_0.set_unbuffered(False)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_float*1, 'ber_qpsk.txt', False)
        self.blocks_file_sink_0.set_unbuffered(True)
        self.blocks_delay_0_1 = blocks.delay(gr.sizeof_char*1, int(delay))
        self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, int(delay))
        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_char_to_float_0 = blocks.char_to_float(1, 1)
        self.blks2_error_rate = grc_blks2.error_rate(
        	type='BER',
        	win_size=int(1e4),
        	bits_per_symbol=1,
        )
        self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)



        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))
        self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.blks2_error_rate, 0), (self.blocks_file_sink_0, 0))
        self.connect((self.blks2_error_rate, 0), (self.qtgui_number_sink_0, 0))
        self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))
        self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_file_sink_0_0_0, 0))
        self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0, 0))
        self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_delay_0, 0))
        self.connect((self.blocks_delay_0, 0), (self.blocks_file_sink_0_0, 0))
        self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0_0, 1))
        self.connect((self.blocks_delay_0_1, 0), (self.blks2_error_rate, 1))
        self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blks2_error_rate, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_delay_0_1, 0))
        self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.channels_channel_model_0, 0), (self.iq_vector_sink, 0))
        self.connect((self.channels_channel_model_0, 0), (self.qtgui_time_sink_x_1, 0))
        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_file_sink_0_1, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.tutorial_my_qpsk_demod_cb_1, 0))
        self.connect((self.digital_map_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
        self.connect((self.tutorial_my_qpsk_demod_cb_1, 0), (self.blocks_char_to_float_0, 0))
        self.connect((self.tutorial_my_qpsk_demod_cb_1, 0), (self.digital_map_bb_0, 0))
Ejemplo n.º 27
0
    def __init__(self, puncpat='11'):
        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())

        ##################################################
        # Parameters
        ##################################################
        self.puncpat = puncpat

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.eb = eb = 0.22
        self.H_dec = H_dec = fec.ldpc_H_matrix(
            '/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist',
            24)
        self.H = H = fec.ldpc_H_matrix(
            '/usr/local/share/gnuradio/fec/ldpc/n_1100_k_0442_gap_24.alist',
            24)

        self.tx_rrc_taps = tx_rrc_taps = firdes.root_raised_cosine(
            nfilts, nfilts, 1.0, eb, 5 * sps * nfilts)

        self.time_offset = time_offset = 1.0
        self.samp_rate = samp_rate = 1000000

        self.rx_rrc_taps = rx_rrc_taps = firdes.root_raised_cosine(
            nfilts, nfilts * sps, 1.0, eb, 11 * sps * nfilts)

        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
            nfilts, nfilts, 1.0 / float(sps), 0.35, 11 * sps * nfilts)

        self.pld_enc = pld_enc = fec.ldpc_par_mtrx_encoder_make_H(H)

        self.pld_dec = pld_dec = fec.ldpc_bit_flip_decoder.make(
            H_dec.get_base_sptr(), 100)
        self.pld_const = pld_const = digital.constellation_rect(([
            0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j
        ]), ([0, 1, 3, 2]), 4, 2, 2, 1, 1).base()
        self.pld_const.gen_soft_dec_lut(8)
        self.noise = noise = 0.0
        self.freq_offset = freq_offset = 0
        self.amp = amp = 1.0

        ##################################################
        # Blocks
        ##################################################
        self._time_offset_range = Range(0.99, 1.01, 0.00001, 1.0, 200)
        self._time_offset_win = RangeWidget(self._time_offset_range,
                                            self.set_time_offset,
                                            'Time Offset', "counter_slider",
                                            float)
        self.top_grid_layout.addWidget(self._time_offset_win, 0, 2, 1, 1)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(2, 3):
            self.top_grid_layout.setColumnStretch(c, 1)
        self._noise_range = Range(0, 5, 0.01, 0.0, 200)
        self._noise_win = RangeWidget(self._noise_range, self.set_noise,
                                      'Noise Amp', "counter_slider", float)
        self.top_grid_layout.addWidget(self._noise_win, 0, 0, 1, 1)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 1):
            self.top_grid_layout.setColumnStretch(c, 1)
        self._freq_offset_range = Range(-0.5, 0.5, 0.0001, 0, 200)
        self._freq_offset_win = RangeWidget(self._freq_offset_range,
                                            self.set_freq_offset,
                                            'Freq. Offset', "counter_slider",
                                            float)
        self.top_grid_layout.addWidget(self._freq_offset_win, 0, 1, 1, 1)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(1, 2):
            self.top_grid_layout.setColumnStretch(c, 1)
        self._amp_range = Range(0, 2, 0.01, 1.0, 200)
        self._amp_win = RangeWidget(self._amp_range, self.set_amp, 'Amplitude',
                                    "counter_slider", float)
        self.top_grid_layout.addWidget(self._amp_win)
        self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
            100 * 2,  #size
            samp_rate,  #samp_rate
            'Tx Data',  #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, 256)

        self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")

        self.qtgui_time_sink_x_0_0.enable_tags(-1, True)
        self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
                                                    qtgui.TRIG_SLOPE_POS, 0.0,
                                                    0, 0,
                                                    'packet_length_tag_key')
        self.qtgui_time_sink_x_0_0.enable_autoscale(False)
        self.qtgui_time_sink_x_0_0.enable_grid(True)
        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)

        if not True:
            self.qtgui_time_sink_x_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.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)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
            100 * 2,  #size
            samp_rate,  #samp_rate
            'Rx Data',  #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, 256)

        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, 'packet_length_tag_key')
        self.qtgui_time_sink_x_0.enable_autoscale(True)
        self.qtgui_time_sink_x_0.enable_grid(True)
        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 = ['', '', '', '', '', '', '', '', '', '']
        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.fec_extended_encoder_0 = fec.extended_encoder(
            encoder_obj_list=pld_enc, threading=None, puncpat=puncpat)
        self.fec_extended_decoder_0_0_1_0_1_0 = fec.extended_decoder(
            decoder_obj_list=pld_dec,
            threading=None,
            ann=None,
            puncpat=puncpat,
            integration_period=10000)
        self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(
            sps, 6.28 / 100.0, (rrc_taps), nfilts, nfilts / 2, 1.5, 2)
        self.digital_map_bb_0_0_0_0_0 = digital.map_bb(([-1, 1]))
        self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(
            sps, eb, 44, 0.05)
        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
            6.28 / 100.0, pld_const.arity(), False)
        self.digital_correlate_access_code_xx_ts_0_0 = digital.correlate_access_code_bb_ts(
            digital.packet_utils.default_access_code, 3, 'packet_len')
        self.digital_constellation_soft_decoder_cf_0_0 = digital.constellation_soft_decoder_cf(
            pld_const)
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=pld_const,
            differential=False,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=eb,
            verbose=False,
            log=False,
        )
        self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(
            15, 1, 0.01, 2)
        self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
        self.channels_channel_model_0 = channels.channel_model(
            noise_voltage=noise,
            frequency_offset=freq_offset,
            epsilon=time_offset,
            taps=(1.0 + 1.0j, ),
            noise_seed=0,
            block_tags=True)
        self.blocks_vector_source_x_0_0_0 = blocks.vector_source_b([0], True,
                                                                   1, [])
        self.blocks_vector_source_x_0 = blocks.vector_source_b([0], True, 1,
                                                               [])
        self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
                                                   samp_rate, True)
        self.blocks_stream_mux_0_1_0 = blocks.stream_mux(
            gr.sizeof_char * 1, (96, 1104))
        self.blocks_stream_mux_0_0 = blocks.stream_mux(gr.sizeof_char * 1,
                                                       (1100, 4))
        self.blocks_stream_mux_0 = blocks.stream_mux(gr.sizeof_char * 1,
                                                     (440, 2))
        self.blocks_repack_bits_bb_1_0_0_1 = blocks.repack_bits_bb(
            8, 1, '', False, gr.GR_MSB_FIRST)
        self.blocks_repack_bits_bb_1_0_0 = blocks.repack_bits_bb(
            1, 8, '', False, gr.GR_MSB_FIRST)
        self.blocks_repack_bits_bb_0_0_0_1_0 = blocks.repack_bits_bb(
            1, 8, '', False, gr.GR_MSB_FIRST)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((amp, ))
        self.blocks_keep_m_in_n_0_1_1_0 = blocks.keep_m_in_n(
            gr.sizeof_char, 440, 442, 0)
        self.blocks_keep_m_in_n_0_0_2_0 = blocks.keep_m_in_n(
            gr.sizeof_char, 1100, 1104, 0)
        self.blocks_file_source_0_0_1 = blocks.file_source(
            gr.sizeof_char * 1, '/home/andre/Desktop/book.txt', False)
        self.blocks_file_source_0_0_1.set_begin_tag(pmt.PMT_NIL)
        self.blocks_file_sink_0_0_0 = blocks.file_sink(
            gr.sizeof_char * 1, '/home/andre/Desktop/transmitido/depois.txt',
            False)
        self.blocks_file_sink_0_0_0.set_unbuffered(False)
        self.blocks_char_to_float_1_0_0 = blocks.char_to_float(1, 1)
        self.blocks_char_to_float_1_0 = blocks.char_to_float(1, 1)
        self.blocks_char_to_float_0_2_0_0 = blocks.char_to_float(1, 1)
        self.acode_1104 = blocks.vector_source_b([
            0x1, 0x0, 0x1, 0x0, 0x1, 0x1, 0x0, 0x0, 0x1, 0x1, 0x0, 0x1, 0x1,
            0x1, 0x0, 0x1, 0x1, 0x0, 0x1, 0x0, 0x0, 0x1, 0x0, 0x0, 0x1, 0x1,
            0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x1,
            0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x1, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0,
            0x0, 0x0, 0x0, 0x0, 0x1, 0x1, 0x1, 0x1, 0x1, 0x1, 0x0, 0x0, 0x0,
            0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0,
            0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0,
            0x0, 0x1, 0x0, 0x1, 0x0
        ], True, 1, [])

        ##################################################
        # Connections
        ##################################################
        self.connect((self.acode_1104, 0), (self.blocks_stream_mux_0_1_0, 0))
        self.connect((self.blocks_char_to_float_0_2_0_0, 0),
                     (self.fec_extended_decoder_0_0_1_0_1_0, 0))
        self.connect((self.blocks_char_to_float_1_0, 0),
                     (self.qtgui_time_sink_x_0, 0))
        self.connect((self.blocks_char_to_float_1_0_0, 0),
                     (self.qtgui_time_sink_x_0_0, 0))
        self.connect((self.blocks_file_source_0_0_1, 0),
                     (self.blocks_char_to_float_1_0_0, 0))
        self.connect((self.blocks_file_source_0_0_1, 0),
                     (self.blocks_repack_bits_bb_1_0_0_1, 0))
        self.connect((self.blocks_keep_m_in_n_0_0_2_0, 0),
                     (self.digital_map_bb_0_0_0_0_0, 0))
        self.connect((self.blocks_keep_m_in_n_0_1_1_0, 0),
                     (self.blocks_repack_bits_bb_0_0_0_1_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0),
                     (self.digital_fll_band_edge_cc_0, 0))
        self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0),
                     (self.blocks_char_to_float_1_0, 0))
        self.connect((self.blocks_repack_bits_bb_0_0_0_1_0, 0),
                     (self.blocks_file_sink_0_0_0, 0))
        self.connect((self.blocks_repack_bits_bb_1_0_0, 0),
                     (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_repack_bits_bb_1_0_0_1, 0),
                     (self.blocks_stream_mux_0, 0))
        self.connect((self.blocks_stream_mux_0, 0),
                     (self.fec_extended_encoder_0, 0))
        self.connect((self.blocks_stream_mux_0_0, 0),
                     (self.blocks_stream_mux_0_1_0, 1))
        self.connect((self.blocks_stream_mux_0_1_0, 0),
                     (self.blocks_repack_bits_bb_1_0_0, 0))
        self.connect((self.blocks_throttle_0_0, 0),
                     (self.channels_channel_model_0, 0))
        self.connect((self.blocks_vector_source_x_0, 0),
                     (self.blocks_stream_mux_0, 1))
        self.connect((self.blocks_vector_source_x_0_0_0, 0),
                     (self.blocks_stream_mux_0_0, 1))
        self.connect((self.channels_channel_model_0, 0),
                     (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.digital_binary_slicer_fb_0_0, 0),
                     (self.digital_correlate_access_code_xx_ts_0_0, 0))
        self.connect((self.digital_cma_equalizer_cc_0, 0),
                     (self.digital_costas_loop_cc_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0),
                     (self.blocks_throttle_0_0, 0))
        self.connect((self.digital_constellation_soft_decoder_cf_0_0, 0),
                     (self.digital_binary_slicer_fb_0_0, 0))
        self.connect((self.digital_correlate_access_code_xx_ts_0_0, 0),
                     (self.blocks_keep_m_in_n_0_0_2_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0),
                     (self.digital_constellation_soft_decoder_cf_0_0, 0))
        self.connect((self.digital_fll_band_edge_cc_0, 0),
                     (self.digital_pfb_clock_sync_xxx_0_0, 0))
        self.connect((self.digital_map_bb_0_0_0_0_0, 0),
                     (self.blocks_char_to_float_0_2_0_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0),
                     (self.digital_cma_equalizer_cc_0, 0))
        self.connect((self.fec_extended_decoder_0_0_1_0_1_0, 0),
                     (self.blocks_keep_m_in_n_0_1_1_0, 0))
        self.connect((self.fec_extended_encoder_0, 0),
                     (self.blocks_stream_mux_0_0, 0))
Ejemplo n.º 28
0
    def __init__(self):
        gr.top_block.__init__(self, "Mpsk Sim")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Mpsk Sim")
        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", "mpsk_sim")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.n = n = 4
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.m = m = n
        self.eb = eb = 0.35
        self.timing_loop_bw = timing_loop_bw = 0.01
        self.time_offset = time_offset = 1.00
        self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
        self.samp_rate = samp_rate = 32000
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)
        self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
        self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-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,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1]
        self.phase_bw = phase_bw = 0.1
        self.payload_size = payload_size = 100*n*m
        self.packed_preamble = packed_preamble = [83, 34, 91, 29, 13, 115, 223, 3]
        self.noise_volt = noise_volt = 0
        self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts))
        self.freq_offset = freq_offset = 0
        self.excess_bw = excess_bw = 0.35
        self.eq_gain = eq_gain = 0.01
        self.arity = arity = 4

        ##################################################
        # Blocks
        ##################################################
        self.controls = Qt.QTabWidget()
        self.controls_widget_0 = Qt.QWidget()
        self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_0)
        self.controls_grid_layout_0 = Qt.QGridLayout()
        self.controls_layout_0.addLayout(self.controls_grid_layout_0)
        self.controls.addTab(self.controls_widget_0, "Transmitter")
        self.controls_widget_1 = Qt.QWidget()
        self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_1)
        self.controls_grid_layout_1 = Qt.QGridLayout()
        self.controls_layout_1.addLayout(self.controls_grid_layout_1)
        self.controls.addTab(self.controls_widget_1, "Receiver")
        self.top_grid_layout.addWidget(self.controls, 0,0,1,2)
        self._timing_loop_bw_layout = Qt.QVBoxLayout()
        self._timing_loop_bw_label = Qt.QLabel("Time: BW")
        self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005)
        self._timing_loop_bw_slider.setValue(self.timing_loop_bw)
        self._timing_loop_bw_slider.setMinimumWidth(200)
        self._timing_loop_bw_slider.valueChanged.connect(self.set_timing_loop_bw)
        self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label)
        self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider)
        self.controls_grid_layout_1.addLayout(self._timing_loop_bw_layout, 0,0,1,1)
        self._time_offset_layout = Qt.QVBoxLayout()
        self._time_offset_tool_bar = Qt.QToolBar(self)
        self._time_offset_layout.addWidget(self._time_offset_tool_bar)
        self._time_offset_tool_bar.addWidget(Qt.QLabel("Timing Offset"+": "))
        self._time_offset_counter = Qwt.QwtCounter()
        self._time_offset_counter.setRange(0.999, 1.001, 0.0001)
        self._time_offset_counter.setNumButtons(2)
        self._time_offset_counter.setValue(self.time_offset)
        self._time_offset_tool_bar.addWidget(self._time_offset_counter)
        self._time_offset_counter.valueChanged.connect(self.set_time_offset)
        self._time_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._time_offset_slider.setRange(0.999, 1.001, 0.0001)
        self._time_offset_slider.setValue(self.time_offset)
        self._time_offset_slider.setMinimumWidth(200)
        self._time_offset_slider.valueChanged.connect(self.set_time_offset)
        self._time_offset_layout.addWidget(self._time_offset_slider)
        self.controls_grid_layout_0.addLayout(self._time_offset_layout,  0,2,1,1)
        self._phase_bw_layout = Qt.QVBoxLayout()
        self._phase_bw_label = Qt.QLabel("Phase: Bandwidth")
        self._phase_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._phase_bw_slider.setRange(0.0, 1.0, 0.01)
        self._phase_bw_slider.setValue(self.phase_bw)
        self._phase_bw_slider.setMinimumWidth(200)
        self._phase_bw_slider.valueChanged.connect(self.set_phase_bw)
        self._phase_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._phase_bw_layout.addWidget(self._phase_bw_label)
        self._phase_bw_layout.addWidget(self._phase_bw_slider)
        self.controls_grid_layout_1.addLayout(self._phase_bw_layout, 0,2,1,1)
        self._noise_volt_layout = Qt.QVBoxLayout()
        self._noise_volt_tool_bar = Qt.QToolBar(self)
        self._noise_volt_layout.addWidget(self._noise_volt_tool_bar)
        self._noise_volt_tool_bar.addWidget(Qt.QLabel("Noise Voltage"+": "))
        self._noise_volt_counter = Qwt.QwtCounter()
        self._noise_volt_counter.setRange(0, 1, 0.01)
        self._noise_volt_counter.setNumButtons(2)
        self._noise_volt_counter.setValue(self.noise_volt)
        self._noise_volt_tool_bar.addWidget(self._noise_volt_counter)
        self._noise_volt_counter.valueChanged.connect(self.set_noise_volt)
        self._noise_volt_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._noise_volt_slider.setRange(0, 1, 0.01)
        self._noise_volt_slider.setValue(self.noise_volt)
        self._noise_volt_slider.setMinimumWidth(200)
        self._noise_volt_slider.valueChanged.connect(self.set_noise_volt)
        self._noise_volt_layout.addWidget(self._noise_volt_slider)
        self.controls_grid_layout_0.addLayout(self._noise_volt_layout,  0,0,1,1)
        self._freq_offset_layout = Qt.QVBoxLayout()
        self._freq_offset_tool_bar = Qt.QToolBar(self)
        self._freq_offset_layout.addWidget(self._freq_offset_tool_bar)
        self._freq_offset_tool_bar.addWidget(Qt.QLabel("Frequency Offset"+": "))
        self._freq_offset_counter = Qwt.QwtCounter()
        self._freq_offset_counter.setRange(-0.1, 0.1, 0.001)
        self._freq_offset_counter.setNumButtons(2)
        self._freq_offset_counter.setValue(self.freq_offset)
        self._freq_offset_tool_bar.addWidget(self._freq_offset_counter)
        self._freq_offset_counter.valueChanged.connect(self.set_freq_offset)
        self._freq_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._freq_offset_slider.setRange(-0.1, 0.1, 0.001)
        self._freq_offset_slider.setValue(self.freq_offset)
        self._freq_offset_slider.setMinimumWidth(200)
        self._freq_offset_slider.valueChanged.connect(self.set_freq_offset)
        self._freq_offset_layout.addWidget(self._freq_offset_slider)
        self.controls_grid_layout_0.addLayout(self._freq_offset_layout,  0,1,1,1)
        self._eq_gain_layout = Qt.QVBoxLayout()
        self._eq_gain_label = Qt.QLabel("Equalizer: rate")
        self._eq_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._eq_gain_slider.setRange(0.0, 0.1, 0.001)
        self._eq_gain_slider.setValue(self.eq_gain)
        self._eq_gain_slider.setMinimumWidth(200)
        self._eq_gain_slider.valueChanged.connect(self.set_eq_gain)
        self._eq_gain_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._eq_gain_layout.addWidget(self._eq_gain_label)
        self._eq_gain_layout.addWidget(self._eq_gain_slider)
        self.controls_grid_layout_1.addLayout(self._eq_gain_layout, 0,1,1,1)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
        	1024, #size
        	samp_rate, #samp_rate
        	"QT GUI 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.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_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
        self.controls_grid_layout_0.addWidget(self._qtgui_time_sink_x_0_win, 1,0,2,2)
        self.qtgui_sink_x_1 = qtgui.sink_c(
        	1024, #fftsize
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	0, #fc
        	samp_rate, #bw
        	"QT GUI Plot", #name
        	True, #plotfreq
        	True, #plotwaterfall
        	True, #plottime
        	True, #plotconst
        )
        self.qtgui_sink_x_1.set_update_time(1.0/10)
        self._qtgui_sink_x_1_win = sip.wrapinstance(self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget)
        self.controls_grid_layout_1.addWidget(self._qtgui_sink_x_1_win, 1,0,2,2)
        
        
        self.qtgui_sink_x_0 = qtgui.sink_f(
        	1024, #fftsize
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	0, #fc
        	samp_rate, #bw
        	"QT GUI Plot", #name
        	True, #plotfreq
        	True, #plotwaterfall
        	True, #plottime
        	True, #plotconst
        )
        self.qtgui_sink_x_0.set_update_time(1.0/10)
        self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
        self.controls_grid_layout_1.addWidget(self._qtgui_sink_x_0_win, 3,0,2,2)
        
        
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2)
        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity)
        self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble), (matched_filter), sps)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=qpsk,
          differential=True,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=excess_bw,
          verbose=False,
          log=False,
          )
        self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk)
        self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2)
        self.channels_channel_model_0 = channels.channel_model(
        	noise_voltage=noise_volt,
        	frequency_offset=freq_offset,
        	epsilon=time_offset,
        	taps=([1]),
        	noise_seed=0,
        	block_tags=False
        )
        self.blocks_vector_source_x_0_0 = blocks.vector_source_b(map(lambda x: (-x+1)/2, preamble), True, 1, [])
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(int(math.log(arity,2)))
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate)
        self.blocks_stream_mux_0_0_0 = blocks.stream_mux(gr.sizeof_char*1, (len(preamble)/8,payload_size))
        self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8)
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/franchz/Documents/UTFPR/10o_periodo/TCC2/projeto/tcc/gnuradio/tx_teste.txt", True)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/franchz/Documents/UTFPR/10o_periodo/TCC2/projeto/tcc/gnuradio/rx_teste.txt", False)
        self.blocks_file_sink_0.set_unbuffered(True)
        self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_stream_mux_0_0_0, 0))
        self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.qtgui_time_sink_x_0, 0))
        self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_sink_x_0, 0))
        self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_null_sink_0, 0))
        self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
        self.connect((self.channels_channel_model_0, 0), (self.digital_correlate_and_sync_cc_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.blocks_throttle_0, 0), (self.qtgui_sink_x_1, 0))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.channels_channel_model_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
        self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0))
        self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_file_sink_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_1, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0, 0))
        self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_mux_0_0_0, 1))
Ejemplo n.º 29
0
    def test_qpsk_3tap_lms_training(self):
        # set up fg
        gain = 0.001  # LMS gain
        num_taps_fwd = 13
        num_taps_rev = 3
        num_test = 1000
        cons = digital.constellation_qpsk().base()
        rxmod = digital.generic_mod(cons, False, self.sps, True, self.eb,
                                    False, False)
        modulated_sync_word_pre = digital.modulate_vector_bc(
            rxmod.to_basic_block(), self.preamble + self.preamble, [1])
        modulated_sync_word = modulated_sync_word_pre[86:(
            512 + 86)]  # compensate for the RRC filter delay
        corr_max = numpy.abs(
            numpy.dot(modulated_sync_word, numpy.conj(modulated_sync_word)))
        corr_calc = self.corr_thresh / (corr_max * corr_max)
        preamble_symbols = self.map_symbols_to_constellation(
            self.unpack_values(self.preamble, 8, 2), cons)

        alg = digital.adaptive_algorithm_lms(cons, gain).base()
        evm = digital.meas_evm_cc(cons, digital.evm_measurement_t_EVM_PERCENT)
        dfe = digital.decision_feedback_equalizer(num_taps_fwd, num_taps_rev,
                                                  self.sps, alg, True,
                                                  preamble_symbols, 'corr_est')
        correst = digital.corr_est_cc(modulated_sync_word, self.sps, 12,
                                      corr_calc, digital.THRESHOLD_ABSOLUTE)
        constmod = digital.generic_mod(constellation=cons,
                                       differential=False,
                                       samples_per_symbol=4,
                                       pre_diff_code=True,
                                       excess_bw=0.35,
                                       verbose=False,
                                       log=False)
        chan = channels.channel_model(
            noise_voltage=self.noise_voltage,
            frequency_offset=0.0,
            epsilon=1.0,
            taps=(2.0, -0.459489 + -0.156287j, 0.185799 + 0.022878j, 0.060229 +
                  0.002171j, -0.023041 + -0.016539j, -0.004507 + 0.011984j,
                  -0.002597 + 0.002675j, 0.002320 + 0.000621j, -0.001420 +
                  -0.000126j, -0.000118 + -0.000520j, -0.000029 + -0.000201j,
                  0.000060 + -0.000002j, 0.169089 + -0.500778j, 0.419112 +
                  0.042402j, -0.139208 + 0.030027j, -0.080077 + 0.036473j,
                  0.026689 + 0.000837j, -0.002449 + 0.002320j,
                  -0.000567 + -0.002068j, 0.001528 + 0.002867j,
                  0.000944 + -0.000166j, 0.000218 + 0.000007j,
                  0.000214 + -0.000150j, 0.000004 + 0.000008j),
            noise_seed=-44982235,
            block_tags=False)

        repeating_data = self.preamble + self.data * 200
        vso = blocks.vector_source_b(repeating_data, False, 1, [])
        head = blocks.head(gr.sizeof_char * 1, 500)
        vsi = blocks.vector_sink_f()

        self.tb.connect(vso, head, constmod, chan, correst, dfe, evm, vsi)
        self.tb.run()

        # look at the last 1000 samples, should converge quickly, below 5% EVM
        upper_bound = tuple(20.0 * numpy.ones((num_test, )))
        lower_bound = tuple(0.0 * numpy.zeros((num_test, )))
        output_data = vsi.data()
        output_data = output_data[-num_test:]
        self.assertLess(output_data, upper_bound)
        self.assertGreater(output_data, lower_bound)
Ejemplo n.º 30
0
    def __init__(self):
        gr.top_block.__init__(self, "Cr Application")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Cr Application")
        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", "cr_application")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.usrp_rf_freq = usrp_rf_freq = 2405000000
        self.usrp_int_freq = usrp_int_freq = 2400000000
        self.timing_loop_bw = timing_loop_bw = 6.28/100
        self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
        self.samp_rate = samp_rate = 390625
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)
        self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
        self.phase_bw = phase_bw = 6.28/100
        self.excess_bw = excess_bw = 0.35
        self.eq_gain = eq_gain = 0.01
        self.arity = arity = 4

        ##################################################
        # Blocks
        ##################################################
        self.crew_db_channel_selector_0 = crew.db_channel_selector('test_may14_r1', 'zigbee', 'max', 0.05)
        def _usrp_rf_freq_probe():
        	while True:
        		val = self.crew_db_channel_selector_0.get_freq()
        		try: self.set_usrp_rf_freq(val)
        		except AttributeError, e: pass
        		time.sleep(1.0/(0.2))
        _usrp_rf_freq_thread = threading.Thread(target=_usrp_rf_freq_probe)
        _usrp_rf_freq_thread.daemon = True
        _usrp_rf_freq_thread.start()
        self._usrp_int_freq_layout = Qt.QVBoxLayout()
        self._usrp_int_freq_tool_bar = Qt.QToolBar(self)
        self._usrp_int_freq_layout.addWidget(self._usrp_int_freq_tool_bar)
        self._usrp_int_freq_tool_bar.addWidget(Qt.QLabel("usrp_int_freq"+": "))
        self._usrp_int_freq_counter = Qwt.QwtCounter()
        self._usrp_int_freq_counter.setRange(2400000000, 2480000000, 5000000)
        self._usrp_int_freq_counter.setNumButtons(2)
        self._usrp_int_freq_counter.setValue(self.usrp_int_freq)
        self._usrp_int_freq_tool_bar.addWidget(self._usrp_int_freq_counter)
        self._usrp_int_freq_counter.valueChanged.connect(self.set_usrp_int_freq)
        self._usrp_int_freq_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._usrp_int_freq_slider.setRange(2400000000, 2480000000, 5000000)
        self._usrp_int_freq_slider.setValue(self.usrp_int_freq)
        self._usrp_int_freq_slider.setMinimumWidth(100)
        self._usrp_int_freq_slider.valueChanged.connect(self.set_usrp_int_freq)
        self._usrp_int_freq_layout.addWidget(self._usrp_int_freq_slider)
        self.top_layout.addLayout(self._usrp_int_freq_layout)
        self.uhd_usrp_source_0_0 = uhd.usrp_source(
        	device_addr="addr=192.168.30.2",
        	stream_args=uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_source_0_0.set_samp_rate(samp_rate)
        self.uhd_usrp_source_0_0.set_center_freq(usrp_rf_freq, 0)
        self.uhd_usrp_source_0_0.set_gain(10, 0)
        self.uhd_usrp_sink_1 = uhd.usrp_sink(
        	device_addr="",
        	stream_args=uhd.stream_args(
        		cpu_format="fc32",
        		args="addr=192.168.40.2",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_1.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_1.set_center_freq(usrp_int_freq, 0)
        self.uhd_usrp_sink_1.set_gain(40, 0)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	device_addr="addr=192.168.20.2",
        	stream_args=uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(usrp_rf_freq, 0)
        self.uhd_usrp_sink_0.set_gain(10, 0)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
        	1024, #size
        	samp_rate/2, #samp_rate
        	"BER", #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.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, "BER")
        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.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2)
        self.digital_map_bb_0 = digital.map_bb(([0,1,2,3]))
        self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc(20, 0.02, 2, qpsk)
        self.digital_gfsk_mod_0 = digital.gfsk_mod(
        	samples_per_symbol=2,
        	sensitivity=1.0,
        	bt=0.35,
        	verbose=False,
        	log=False,
        )
        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity)
        self.digital_constellation_receiver_cb_0 = digital.constellation_receiver_cb(qpsk, timing_loop_bw, 0.0001, 0.0002)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=qpsk,
          differential=True,
          samples_per_symbol=4,
          pre_diff_code=True,
          excess_bw=0.35,
          verbose=False,
          log=False,
          )
        self.blocks_vector_source_x_0_0 = blocks.vector_source_b((170,170), True, 1, [])
        self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8)
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
        self.blks2_error_rate_0 = grc_blks2.error_rate(
        	type='BER',
        	win_size=1000,
        	bits_per_symbol=1,
        )
        self.analog_random_source_x_1 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.digital_constellation_modulator_0, 0), (self.uhd_usrp_sink_0, 0))
        self.connect((self.blocks_vector_source_x_0_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.uhd_usrp_source_0_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_receiver_cb_0, 0))
        self.connect((self.digital_map_bb_0, 0), (self.digital_diff_decoder_bb_0, 0))
        self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
        self.connect((self.digital_lms_dd_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_lms_dd_equalizer_cc_0, 0))
        self.connect((self.blks2_error_rate_0, 0), (self.qtgui_time_sink_x_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blks2_error_rate_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blks2_error_rate_0, 1))
        self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))
        self.connect((self.analog_random_source_x_1, 0), (self.digital_gfsk_mod_0, 0))
        self.connect((self.digital_gfsk_mod_0, 0), (self.uhd_usrp_sink_1, 0))
        self.connect((self.digital_constellation_receiver_cb_0, 0), (self.digital_map_bb_0, 0))
        self.connect((self.blks2_error_rate_0, 0), (self.crew_db_channel_selector_0, 0))
Ejemplo n.º 31
0
    def __init__(self):
        gr.top_block.__init__(self, "Packet Coder Test")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Packet Coder Test")
        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", "packet_coder_test")

        if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
            self.restoreGeometry(self.settings.value("geometry").toByteArray())
        else:
            self.restoreGeometry(self.settings.value("geometry", type=QtCore.QByteArray))

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.excess_bw = excess_bw = 0.35
        self.timing_loop_bw = timing_loop_bw = 6.28/100.0
        self.samp_rate_0 = samp_rate_0 = 32E3
        self.samp_rate = samp_rate = 32000
        self.rrc_taps_0 = rrc_taps_0 = firdes.root_raised_cosine(1, sps, 1, excess_bw, 45)
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 45*nfilts)
        self.phase_bw = phase_bw = 0.0628
        self.delay = delay = 0

        self.BPSK = BPSK = digital.constellation_qpsk().base()


        ##################################################
        # Blocks
        ##################################################
        self._timing_loop_bw_range = Range(0.0, 0.2, 0.01, 6.28/100.0, 200)
        self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, 'Time: BW', "slider", float)
        self.top_grid_layout.addWidget(self._timing_loop_bw_win, 0, 0, 1, 1)
        [self.top_grid_layout.setRowStretch(r,1) for r in range(0,1)]
        [self.top_grid_layout.setColumnStretch(c,1) for c in range(0,1)]
        self._delay_range = Range(0, 200, 1, 0, 200)
        self._delay_win = RangeWidget(self._delay_range, self.set_delay, "delay", "counter_slider", float)
        self.top_grid_layout.addWidget(self._delay_win, 0, 1, 1, 1)
        [self.top_grid_layout.setRowStretch(r,1) for r in range(0,1)]
        [self.top_grid_layout.setColumnStretch(c,1) for c in range(1,2)]
        self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
        	500, #size
        	samp_rate, #samp_rate
        	'Output Stream', #name
        	2 #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, 2)

        self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")

        self.qtgui_time_sink_x_0_0.enable_tags(-1, 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(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)

        if not True:
          self.qtgui_time_sink_x_0_0.disable_legend()

        labels = ['Rx Bits', 'Tx Bits', '', '', '',
                  '', '', '', '', '']
        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:
                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, 3, 0, 1, 2)
        [self.top_grid_layout.setRowStretch(r,1) for r in range(3,4)]
        [self.top_grid_layout.setColumnStretch(c,1) for c in range(0,2)]
        self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
        	1024, #size
        	samp_rate, #samp_rate
        	"", #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(False)
        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 = ['', '', '', '', '',
                  '', '', '', '', '']
        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, 2, 0, 1, 2)
        [self.top_grid_layout.setRowStretch(r,1) for r in range(2,3)]
        [self.top_grid_layout.setColumnStretch(c,1) for c in range(0,2)]
        self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
        	1024, #size
        	"TX", #name
        	1 #number of inputs
        )
        self.qtgui_const_sink_x_0_0.set_update_time(0.10)
        self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2)
        self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2)
        self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
        self.qtgui_const_sink_x_0_0.enable_autoscale(False)
        self.qtgui_const_sink_x_0_0.enable_grid(False)
        self.qtgui_const_sink_x_0_0.enable_axis_labels(True)

        if not True:
          self.qtgui_const_sink_x_0_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_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i])
            self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i])
            self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i])
            self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i])
            self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i])
            self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i])

        self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_win, 1, 0, 1, 1)
        [self.top_grid_layout.setRowStretch(r,1) for r in range(1,2)]
        [self.top_grid_layout.setColumnStretch(c,1) for c in range(0,1)]
        self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
        	1024, #size
        	"RX", #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, 1, 1, 1, 1)
        [self.top_grid_layout.setRowStretch(r,1) for r in range(1,2)]
        [self.top_grid_layout.setColumnStretch(c,1) for c in range(1,2)]
        self.myblocks_qpsk_demod_v2_0 = myblocks.qpsk_demod_v2(0)
        self.fir_filter_xxx_0 = filter.fir_filter_ccc(1, (rrc_taps_0))
        self.fir_filter_xxx_0.declare_sample_delay(0)
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 1)
        self.digital_map_bb_0 = digital.map_bb(([0,3,2,1]))
        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=BPSK,
          differential=True,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=0.35,
          verbose=False,
          log=False,
          )
        self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8)
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
        self.blocks_throttle_1 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
        self.blocks_sub_xx_0 = blocks.sub_ff(1)
        self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, int(delay))
        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.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))
        self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_sub_xx_0, 1))
        self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0, 0))
        self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_delay_0, 0))
        self.connect((self.blocks_delay_0, 0), (self.blocks_sub_xx_0, 0))
        self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0_0, 1))
        self.connect((self.blocks_sub_xx_0, 0), (self.qtgui_time_sink_x_0, 0))
        self.connect((self.blocks_throttle_1, 0), (self.fir_filter_xxx_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_1, 0))
        self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_map_bb_0, 0))
        self.connect((self.digital_map_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.myblocks_qpsk_demod_v2_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_const_sink_x_0, 0))
        self.connect((self.fir_filter_xxx_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.fir_filter_xxx_0, 0), (self.qtgui_const_sink_x_0_0, 0))
        self.connect((self.myblocks_qpsk_demod_v2_0, 0), (self.digital_diff_decoder_bb_0, 0))
Ejemplo n.º 32
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")

        if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
            self.restoreGeometry(self.settings.value("geometry").toByteArray())
        else:
            self.restoreGeometry(self.settings.value("geometry", type=QtCore.QByteArray))

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 45
        self.nfilts = nfilts = 25
        self.samp_rate = samp_rate = 44.1E3
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 45*nfilts)
        self.fc_slider = fc_slider = 2200

        self.BPSK = BPSK = digital.constellation_calcdist(([-1, 1]), ([0, 1]), 4, 1).base()


        ##################################################
        # Blocks
        ##################################################
        self._fc_slider_range = Range(0, 18200, 200, 2200, 150)
        self._fc_slider_win = RangeWidget(self._fc_slider_range, self.set_fc_slider, 'fc', "counter_slider", float)
        self.top_layout.addWidget(self._fc_slider_win)
        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f(
        	1024, #size
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	0, #fc
        	samp_rate, #bw
        	"", #name
        	1 #number of inputs
        )
        self.qtgui_freq_sink_x_0.set_update_time(0.10)
        self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
        self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
        self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
        self.qtgui_freq_sink_x_0.enable_autoscale(False)
        self.qtgui_freq_sink_x_0.enable_grid(False)
        self.qtgui_freq_sink_x_0.set_fft_average(1.0)
        self.qtgui_freq_sink_x_0.enable_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 "float" == "float" or "float" == "msg_float":
          self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)

        labels = ['', '', '', '', '',
                  '', '', '', '', '']
        widths = [1, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        colors = ["blue", "red", "green", "black", "cyan",
                  "magenta", "yellow", "dark red", "dark green", "dark blue"]
        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
                  1.0, 1.0, 1.0, 1.0, 1.0]
        for i in xrange(1):
            if len(labels[i]) == 0:
                self.qtgui_freq_sink_x_0.set_line_label(i, "Data {0}".format(i))
            else:
                self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
            self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
            self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
            self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])

        self._qtgui_freq_sink_x_0_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=BPSK,
          differential=True,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=0.25,
          verbose=False,
          log=False,
          )
        self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
        self.blocks_complex_to_real_1 = blocks.complex_to_real(1)
        self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
        self.blks2_tcp_source_0 = grc_blks2.tcp_source(
        	itemsize=gr.sizeof_char*1,
        	addr='127.0.0.1',
        	port=1235,
        	server=True,
        )
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=1,
        		bits_per_symbol=1,
        		preamble='',
        		access_code='',
        		pad_for_usrp=False,
        	),
        	payload_length=1,
        )
        self.audio_sink_0 = audio.sink(44100, '', True)
        self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, fc_slider, 1, 0)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
        self.connect((self.blks2_packet_encoder_0, 0), (self.blocks_char_to_float_0, 0))
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.blks2_tcp_source_0, 0), (self.blks2_packet_encoder_0, 0))
        self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_freq_sink_x_0, 0))
        self.connect((self.blocks_complex_to_real_1, 0), (self.audio_sink_0, 0))
        self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_complex_to_real_1, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_multiply_xx_0, 0))
Ejemplo n.º 33
0
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="BSPK eye diagram")

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 8
        self.samp_rate = samp_rate = 100000

        self.pam = pam = digital.constellation_calcdist(([-1, 1]), ([0, 1]), 4,
                                                        1).base()

        self.noise_voltage = noise_voltage = 0

        ##################################################
        # Blocks
        ##################################################
        _noise_voltage_sizer = wx.BoxSizer(wx.VERTICAL)
        self._noise_voltage_text_box = forms.text_box(
            parent=self.GetWin(),
            sizer=_noise_voltage_sizer,
            value=self.noise_voltage,
            callback=self.set_noise_voltage,
            label='Noise voltage',
            converter=forms.float_converter(),
            proportion=0,
        )
        self._noise_voltage_slider = forms.slider(
            parent=self.GetWin(),
            sizer=_noise_voltage_sizer,
            value=self.noise_voltage,
            callback=self.set_noise_voltage,
            minimum=0,
            maximum=100,
            num_steps=1000,
            style=wx.SL_HORIZONTAL,
            cast=float,
            proportion=1,
        )
        self.Add(_noise_voltage_sizer)
        self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
            self.GetWin(),
            title='Scope Plot',
            sample_rate=samp_rate,
            v_scale=0,
            v_offset=0,
            t_scale=0,
            ac_couple=False,
            xy_mode=False,
            num_inputs=1,
            trig_mode=wxgui.TRIG_MODE_AUTO,
            y_axis_label='Counts',
        )
        self.Add(self.wxgui_scopesink2_0.win)
        self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(
            1, firdes.root_raised_cosine(1, sps, 1.0, 0.35, 88))
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=pam,
            differential=False,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=0.35,
            verbose=False,
            log=False,
        )
        self.channels_channel_model_0 = channels.channel_model(
            noise_voltage=noise_voltage,
            frequency_offset=0.0,
            epsilon=1.0,
            taps=(1.0, ),
            noise_seed=0,
            block_tags=False)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate,
                                                 True)
        self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
        self.analog_random_source_x_0 = blocks.vector_source_b(
            map(int, numpy.random.randint(0, 256, 1000)), True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_random_source_x_0, 0),
                     (self.blocks_throttle_0, 0))
        self.connect((self.blocks_complex_to_real_0, 0),
                     (self.wxgui_scopesink2_0, 0))
        self.connect((self.blocks_throttle_0, 0),
                     (self.digital_constellation_modulator_0, 0))
        self.connect((self.channels_channel_model_0, 0),
                     (self.root_raised_cosine_filter_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0),
                     (self.channels_channel_model_0, 0))
        self.connect((self.root_raised_cosine_filter_0, 0),
                     (self.blocks_complex_to_real_0, 0))
Ejemplo n.º 34
0
    def __init__(self):
        gr.top_block.__init__(self, "QPSK Tx")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("QPSK Tx")
        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", "QPSK_Tx")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.sym_rate = sym_rate = 500000
        self.samp_rate = samp_rate = 2000000
        self.sps = sps = int(samp_rate/sym_rate)
        self.sig_amp = sig_amp = 0.5
        self.qpsk = qpsk = digital.constellation_rect(([-1-1j, -1+1j, 1+1j, 1-1j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
        self.car_freq = car_freq = 1000000
        self.arity = arity = 4

        ##################################################
        # Blocks
        ##################################################
        self._sig_amp_layout = Qt.QHBoxLayout()
        self._sig_amp_layout.addWidget(Qt.QLabel("Signal Amplitude"+": "))
        class qwt_counter_pyslot(Qwt.QwtCounter):
            def __init__(self, parent=None):
                Qwt.QwtCounter.__init__(self, parent)
            @pyqtSlot('double')
            def setValue(self, value):
                super(Qwt.QwtCounter, self).setValue(value)
        self._sig_amp_counter = qwt_counter_pyslot()
        self._sig_amp_counter.setRange(0, 1, 0.05)
        self._sig_amp_counter.setNumButtons(2)
        self._sig_amp_counter.setMinimumWidth(200)
        self._sig_amp_counter.setValue(self.sig_amp)
        self._sig_amp_layout.addWidget(self._sig_amp_counter)
        self._sig_amp_counter.valueChanged.connect(self.set_sig_amp)
        self.top_layout.addLayout(self._sig_amp_layout)
        self._car_freq_layout = Qt.QHBoxLayout()
        self._car_freq_layout.addWidget(Qt.QLabel("Carrier Frequency"+": "))
        class qwt_counter_pyslot(Qwt.QwtCounter):
            def __init__(self, parent=None):
                Qwt.QwtCounter.__init__(self, parent)
            @pyqtSlot('double')
            def setValue(self, value):
                super(Qwt.QwtCounter, self).setValue(value)
        self._car_freq_counter = qwt_counter_pyslot()
        self._car_freq_counter.setRange(0, 5000000, 100000)
        self._car_freq_counter.setNumButtons(2)
        self._car_freq_counter.setMinimumWidth(200)
        self._car_freq_counter.setValue(self.car_freq)
        self._car_freq_layout.addWidget(self._car_freq_counter)
        self._car_freq_counter.valueChanged.connect(self.set_car_freq)
        self.top_layout.addLayout(self._car_freq_layout)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	",".join(("", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(car_freq, 0)
        self.uhd_usrp_sink_0.set_gain(0, 0)
        self.qtgui_sink_x_0 = qtgui.sink_c(
        	1024, #fftsize
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	0, #fc
        	samp_rate, #bw
        	"", #name
        	True, #plotfreq
        	True, #plotwaterfall
        	True, #plottime
        	True, #plotconst
        )
        self.qtgui_sink_x_0.set_update_time(1.0/10)
        self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_sink_x_0_win)
        
        self.qtgui_sink_x_0.enable_rf_freq(False)
        
        
          
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=qpsk,
          differential=True,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=0.35,
          verbose=False,
          log=False,
          )
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((sig_amp, ))
        self.analog_random_source_x_0_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 10000)), True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.analog_random_source_x_0_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.uhd_usrp_sink_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_sink_x_0, 0))
Ejemplo n.º 35
0
    def __init__(self):
        gr.top_block.__init__(self, "Mpsk Stage6")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Mpsk Stage6")
        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", "mpsk_stage6")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.timing_loop_bw = timing_loop_bw = 6.28/100.0
        self.time_offset = time_offset = 1.00
        self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
        self.samp_rate = samp_rate = 32000
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)
        self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
        self.phase_bw = phase_bw = 6.28/100.0
        self.noise_volt = noise_volt = 0.0001
        self.freq_offset = freq_offset = 0
        self.excess_bw = excess_bw = 0.35
        self.eq_gain = eq_gain = 0.01
        self.delay = delay = 0
        self.arity = arity = 4

        ##################################################
        # Blocks
        ##################################################
        self.controls = Qt.QTabWidget()
        self.controls_widget_0 = Qt.QWidget()
        self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_0)
        self.controls_grid_layout_0 = Qt.QGridLayout()
        self.controls_layout_0.addLayout(self.controls_grid_layout_0)
        self.controls.addTab(self.controls_widget_0, "Channel")
        self.controls_widget_1 = Qt.QWidget()
        self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_1)
        self.controls_grid_layout_1 = Qt.QGridLayout()
        self.controls_layout_1.addLayout(self.controls_grid_layout_1)
        self.controls.addTab(self.controls_widget_1, "Receiver")
        self.top_grid_layout.addWidget(self.controls, 0,0,1,2)
        self._timing_loop_bw_range = Range(0.0, 0.2, 0.01, 6.28/100.0, 200)
        self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, "Time: BW", "slider", float)
        self.controls_grid_layout_1.addWidget(self._timing_loop_bw_win,  0,0,1,1)
        self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.00, 200)
        self._time_offset_win = RangeWidget(self._time_offset_range, self.set_time_offset, "Timing Offset", "counter_slider", float)
        self.controls_grid_layout_0.addWidget(self._time_offset_win,  0,2,1,1)
        self.received = Qt.QTabWidget()
        self.received_widget_0 = Qt.QWidget()
        self.received_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_0)
        self.received_grid_layout_0 = Qt.QGridLayout()
        self.received_layout_0.addLayout(self.received_grid_layout_0)
        self.received.addTab(self.received_widget_0, "Constellation")
        self.received_widget_1 = Qt.QWidget()
        self.received_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_1)
        self.received_grid_layout_1 = Qt.QGridLayout()
        self.received_layout_1.addLayout(self.received_grid_layout_1)
        self.received.addTab(self.received_widget_1, "Symbols")
        self.top_grid_layout.addWidget(self.received, 2,0,1,1)
        self._phase_bw_range = Range(0.0, 1.0, 0.01, 6.28/100.0, 200)
        self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, "Phase: Bandwidth", "slider", float)
        self.controls_grid_layout_1.addWidget(self._phase_bw_win,  0,2,1,1)
        self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200)
        self._noise_volt_win = RangeWidget(self._noise_volt_range, self.set_noise_volt, "Noise Voltage", "counter_slider", float)
        self.controls_grid_layout_0.addWidget(self._noise_volt_win,  0,0,1,1)
        self._freq_offset_range = Range(-0.1, 0.1, 0.001, 0, 200)
        self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, "Frequency Offset", "counter_slider", float)
        self.controls_grid_layout_0.addWidget(self._freq_offset_win,  0,1,1,1)
        self._eq_gain_range = Range(0.0, 0.1, 0.001, 0.01, 200)
        self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, "Equalizer: rate", "slider", float)
        self.controls_grid_layout_1.addWidget(self._eq_gain_win,  0,1,1,1)
        self._delay_range = Range(0, 200, 1, 0, 200)
        self._delay_win = RangeWidget(self._delay_range, self.set_delay, "Delay", "counter_slider", float)
        self.top_grid_layout.addWidget(self._delay_win, 1,0,1,1)
        self.tutorial_qpsk_demod_cpp_cb_0 = tutorial.qpsk_demod_cpp_cb(True)
        self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
        	500, #size
        	samp_rate, #samp_rate
        	"", #name
        	2 #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, 2)
        
        self.qtgui_time_sink_x_0_0.set_y_label("Amplitude", "")
        
        self.qtgui_time_sink_x_0_0.enable_tags(-1, 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(False)
        self.qtgui_time_sink_x_0_0.enable_grid(False)
        self.qtgui_time_sink_x_0_0.enable_control_panel(False)
        
        if not True:
          self.qtgui_time_sink_x_0_0.disable_legend()
        
        labels = ["Rx Bits", "Tx Bits", "", "", "",
                  "", "", "", "", ""]
        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:
                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, 2,1,1,1)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
        	500, #size
        	samp_rate, #samp_rate
        	"", #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, 4)
        
        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(False)
        self.qtgui_time_sink_x_0.enable_grid(False)
        self.qtgui_time_sink_x_0.enable_control_panel(False)
        
        if not True:
          self.qtgui_time_sink_x_0.disable_legend()
        
        labels = ["Symbols", "", "", "", "",
                  "", "", "", "", ""]
        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.received_grid_layout_1.addWidget(self._qtgui_time_sink_x_0_win,  0,0,1,1)
        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)
        
        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.received_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win,  0,0,1,1)
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2)
        self.digital_map_bb_0 = digital.map_bb(([0,1,3,2]))
        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity, False)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=qpsk,
          differential=True,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=excess_bw,
          verbose=False,
          log=False,
          )
        self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2)
        self.channels_channel_model_0 = channels.channel_model(
        	noise_voltage=noise_volt,
        	frequency_offset=freq_offset,
        	epsilon=time_offset,
        	taps=(taps),
        	noise_seed=0,
        	block_tags=False
        )
        self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8)
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
        self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, int(delay))
        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_char_to_float_0 = blocks.char_to_float(1, 1)
        self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 1000)), True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))    
        self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0))    
        self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))    
        self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0, 0))    
        self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_delay_0, 0))    
        self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0_0, 1))    
        self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))    
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0_0, 0))    
        self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0_0, 0))    
        self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))    
        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))    
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0))    
        self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0))    
        self.connect((self.digital_costas_loop_cc_0, 0), (self.tutorial_qpsk_demod_cpp_cb_0, 0))    
        self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))    
        self.connect((self.digital_map_bb_0, 0), (self.digital_diff_decoder_bb_0, 0))    
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))    
        self.connect((self.tutorial_qpsk_demod_cpp_cb_0, 0), (self.blocks_char_to_float_0, 0))    
        self.connect((self.tutorial_qpsk_demod_cpp_cb_0, 0), (self.digital_map_bb_0, 0))    
Ejemplo n.º 36
0
    def __init__(self):
        gr.top_block.__init__(self, "Bpsk Sender1")

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 8
        self.nfilts = nfilts = 32
        self.transistion = transistion = 100
        self.sideband_rx = sideband_rx = 500
        self.sideband = sideband = 500
        self.samp_rate = samp_rate = 48000
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)
        self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
        self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-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,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1]
        self.payload_size = payload_size = 10
        self.interpolation = interpolation = 2000
        self.gap = gap = 0
        self.eb = eb = 0.35
        self.delay = delay = 0
        self.decimation = decimation = 1
        self.constel = constel = digital.constellation_calcdist(([1,- 1]), ([0,1]), 2, 1).base()
        self.const_type = const_type = 1
        self.const = const = (digital.constellation_bpsk(), digital.constellation_qpsk(), digital.constellation_8psk())
        self.carrier = carrier = 10000
        self.arity = arity = 2

        ##################################################
        # Blocks
        ##################################################
        self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
                interpolation=interpolation,
                decimation=decimation,
                taps=None,
                fractional_bw=None,
        )
        self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, (firdes.band_pass (0.5,samp_rate,10000-sideband,10000+sideband,transistion)), -carrier, samp_rate)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=constel,
          differential=True,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=0.35,
          verbose=False,
          log=False,
          )
        self.blocks_wavfile_sink_1 = blocks.wavfile_sink("BPSK_output.wav", 1, 48000, 16)
        self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((0.1, ))
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "TestData2", False)
        self.blocks_file_sink_0_0_0 = blocks.file_sink(gr.sizeof_char*1, "inputBinary", False)
        self.blocks_file_sink_0_0_0.set_unbuffered(False)
        self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char*1, "inputBinary2", False)
        self.blocks_file_sink_0_0.set_unbuffered(False)
        
        
        script, sdelay= argv

        
        self.blocks_delay_0_0 = blocks.delay(gr.sizeof_char*1, int(sdelay))
        self.blocks_complex_to_real_0 = blocks.complex_to_real(1)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_multiply_const_vxx_0, 0))    
        self.connect((self.blocks_delay_0_0, 0), (self.blocks_file_sink_0_0, 0))    
        self.connect((self.blocks_delay_0_0, 0), (self.blocks_file_sink_0_0_0, 0))    
        self.connect((self.blocks_file_source_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))    
        self.connect((self.blocks_file_source_0, 0), (self.digital_constellation_modulator_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_wavfile_sink_1, 0))    
        self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_delay_0_0, 0))    
        self.connect((self.digital_constellation_modulator_0, 0), (self.rational_resampler_xxx_0, 0))    
        self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blocks_complex_to_real_0, 0))    
        self.connect((self.rational_resampler_xxx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))    
Ejemplo n.º 37
0
    def __init__(self):
        gr.top_block.__init__(self, "MPSK Transmitter")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("MPSK Transmitter")
        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", "mpsk_tx")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.usrp_gain = usrp_gain = 20
        self.sps = sps = 4
        self.samp_rate = samp_rate = 1e6
        self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
        self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-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,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1]
        self.payload_size = payload_size = 992
        self.n = n = 4
        self.excess_bw = excess_bw = 0.35
        self.arity = arity = 4

        ##################################################
        # Blocks
        ##################################################
        self._usrp_gain_layout = Qt.QVBoxLayout()
        self._usrp_gain_tool_bar = Qt.QToolBar(self)
        self._usrp_gain_layout.addWidget(self._usrp_gain_tool_bar)
        self._usrp_gain_tool_bar.addWidget(Qt.QLabel("USRP Gain"+": "))
        class qwt_counter_pyslot(Qwt.QwtCounter):
            def __init__(self, parent=None):
                Qwt.QwtCounter.__init__(self, parent)
            @pyqtSlot('double')
            def setValue(self, value):
                super(Qwt.QwtCounter, self).setValue(value)
        self._usrp_gain_counter = qwt_counter_pyslot()
        self._usrp_gain_counter.setRange(0, 100, 1)
        self._usrp_gain_counter.setNumButtons(2)
        self._usrp_gain_counter.setValue(self.usrp_gain)
        self._usrp_gain_tool_bar.addWidget(self._usrp_gain_counter)
        self._usrp_gain_counter.valueChanged.connect(self.set_usrp_gain)
        self._usrp_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._usrp_gain_slider.setRange(0, 100, 1)
        self._usrp_gain_slider.setValue(self.usrp_gain)
        self._usrp_gain_slider.setMinimumWidth(200)
        self._usrp_gain_slider.valueChanged.connect(self.set_usrp_gain)
        self._usrp_gain_layout.addWidget(self._usrp_gain_slider)
        self.top_layout.addLayout(self._usrp_gain_layout)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	device_addr="",
        	stream_args=uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(2.4e9, 0)
        self.uhd_usrp_sink_0.set_gain(usrp_gain, 0)
        self.tcc_sdr_interleaver_bb_0 = tcc_sdr.interleaver_bb(n, n)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
        	1024, #size
        	samp_rate, #samp_rate
        	"QT GUI 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.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(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", "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*1):
            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.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=qpsk,
          differential=True,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=excess_bw,
          verbose=False,
          log=False,
          )
        self.blocks_vector_source_x_0_0 = blocks.vector_source_b(map(lambda x: (-x+1)/2, preamble), True, 1, [])
        self.blocks_stream_mux_0_0_0 = blocks.stream_mux(gr.sizeof_char*1, (len(preamble)/8,payload_size))
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/franchz/tcc/gnuradio/tx_teste.txt", True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.digital_constellation_modulator_0, 0), (self.qtgui_time_sink_x_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.uhd_usrp_sink_0, 0))
        self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_stream_mux_0_0_0, 0))
        self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.blocks_file_source_0, 0), (self.tcc_sdr_interleaver_bb_0, 0))
        self.connect((self.tcc_sdr_interleaver_bb_0, 0), (self.blocks_stream_mux_0_0_0, 1))
Ejemplo n.º 38
0
    def __init__(self):
        gr.top_block.__init__(self, "Simulation for SDR TCC")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Simulation for SDR TCC")
        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", "sdrSim2")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.eb = eb = 0.35
        self.timing_loop_bw = timing_loop_bw = 0.005
        self.time_offset = time_offset = 1.00
        self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
        self.samp_rate = samp_rate = 32000
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)
        self.qpsk = qpsk = digital.constellation_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
        self.preamble = preamble = [1,-1,1,-1,1,1,-1,-1,1,1,-1,1,1,1,-1,1,1,-1,1,-1,-1,1,-1,-1,1,1,1,-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,-1,-1,-1,-1,1,1,1,1,1,1,-1,-1]
        self.phase_bw = phase_bw = 6.28/100.0
        self.payload_size = payload_size = 992
        self.noise_volt = noise_volt = 0.0001
        self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts))
        self.freq_offset = freq_offset = 0
        self.freq_bw = freq_bw = 6.28/100.0
        self.excess_bw = excess_bw = 0.35
        self.eq_gain = eq_gain = 0.01
        self.delay = delay = 0
        self.arity = arity = 4

        ##################################################
        # Blocks
        ##################################################
        self.controls = Qt.QTabWidget()
        self.controls_widget_0 = Qt.QWidget()
        self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_0)
        self.controls_grid_layout_0 = Qt.QGridLayout()
        self.controls_layout_0.addLayout(self.controls_grid_layout_0)
        self.controls.addTab(self.controls_widget_0, "Channel")
        self.controls_widget_1 = Qt.QWidget()
        self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_1)
        self.controls_grid_layout_1 = Qt.QGridLayout()
        self.controls_layout_1.addLayout(self.controls_grid_layout_1)
        self.controls.addTab(self.controls_widget_1, "Receiver")
        self.top_grid_layout.addWidget(self.controls, 0,0,1,2)
        self._timing_loop_bw_layout = Qt.QVBoxLayout()
        self._timing_loop_bw_label = Qt.QLabel("Time: BW")
        self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005)
        self._timing_loop_bw_slider.setValue(self.timing_loop_bw)
        self._timing_loop_bw_slider.setMinimumWidth(200)
        self._timing_loop_bw_slider.valueChanged.connect(self.set_timing_loop_bw)
        self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label)
        self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider)
        self.controls_grid_layout_1.addLayout(self._timing_loop_bw_layout,  0,0,1,1)
        self._time_offset_layout = Qt.QVBoxLayout()
        self._time_offset_tool_bar = Qt.QToolBar(self)
        self._time_offset_layout.addWidget(self._time_offset_tool_bar)
        self._time_offset_tool_bar.addWidget(Qt.QLabel("Timing Offset"+": "))
        class qwt_counter_pyslot(Qwt.QwtCounter):
            def __init__(self, parent=None):
                Qwt.QwtCounter.__init__(self, parent)
            @pyqtSlot('double')
            def setValue(self, value):
                super(Qwt.QwtCounter, self).setValue(value)
        self._time_offset_counter = qwt_counter_pyslot()
        self._time_offset_counter.setRange(0.999, 1.001, 0.0001)
        self._time_offset_counter.setNumButtons(2)
        self._time_offset_counter.setValue(self.time_offset)
        self._time_offset_tool_bar.addWidget(self._time_offset_counter)
        self._time_offset_counter.valueChanged.connect(self.set_time_offset)
        self._time_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._time_offset_slider.setRange(0.999, 1.001, 0.0001)
        self._time_offset_slider.setValue(self.time_offset)
        self._time_offset_slider.setMinimumWidth(200)
        self._time_offset_slider.valueChanged.connect(self.set_time_offset)
        self._time_offset_layout.addWidget(self._time_offset_slider)
        self.controls_grid_layout_0.addLayout(self._time_offset_layout,  0,2,1,1)
        self.received = Qt.QTabWidget()
        self.received_widget_0 = Qt.QWidget()
        self.received_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_0)
        self.received_grid_layout_0 = Qt.QGridLayout()
        self.received_layout_0.addLayout(self.received_grid_layout_0)
        self.received.addTab(self.received_widget_0, "Constellation")
        self.received_widget_1 = Qt.QWidget()
        self.received_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_1)
        self.received_grid_layout_1 = Qt.QGridLayout()
        self.received_layout_1.addLayout(self.received_grid_layout_1)
        self.received.addTab(self.received_widget_1, "Symbols")
        self.top_grid_layout.addWidget(self.received, 2,0,1,1)
        self._phase_bw_layout = Qt.QVBoxLayout()
        self._phase_bw_label = Qt.QLabel("Phase: Bandwidth")
        self._phase_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._phase_bw_slider.setRange(0.0, 1.0, 0.01)
        self._phase_bw_slider.setValue(self.phase_bw)
        self._phase_bw_slider.setMinimumWidth(200)
        self._phase_bw_slider.valueChanged.connect(self.set_phase_bw)
        self._phase_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._phase_bw_layout.addWidget(self._phase_bw_label)
        self._phase_bw_layout.addWidget(self._phase_bw_slider)
        self.controls_grid_layout_1.addLayout(self._phase_bw_layout,  0,2,1,1)
        self._noise_volt_layout = Qt.QVBoxLayout()
        self._noise_volt_tool_bar = Qt.QToolBar(self)
        self._noise_volt_layout.addWidget(self._noise_volt_tool_bar)
        self._noise_volt_tool_bar.addWidget(Qt.QLabel("Noise Voltage"+": "))
        class qwt_counter_pyslot(Qwt.QwtCounter):
            def __init__(self, parent=None):
                Qwt.QwtCounter.__init__(self, parent)
            @pyqtSlot('double')
            def setValue(self, value):
                super(Qwt.QwtCounter, self).setValue(value)
        self._noise_volt_counter = qwt_counter_pyslot()
        self._noise_volt_counter.setRange(0, 1, 0.01)
        self._noise_volt_counter.setNumButtons(2)
        self._noise_volt_counter.setValue(self.noise_volt)
        self._noise_volt_tool_bar.addWidget(self._noise_volt_counter)
        self._noise_volt_counter.valueChanged.connect(self.set_noise_volt)
        self._noise_volt_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._noise_volt_slider.setRange(0, 1, 0.01)
        self._noise_volt_slider.setValue(self.noise_volt)
        self._noise_volt_slider.setMinimumWidth(200)
        self._noise_volt_slider.valueChanged.connect(self.set_noise_volt)
        self._noise_volt_layout.addWidget(self._noise_volt_slider)
        self.controls_grid_layout_0.addLayout(self._noise_volt_layout,  0,0,1,1)
        self._freq_offset_layout = Qt.QVBoxLayout()
        self._freq_offset_tool_bar = Qt.QToolBar(self)
        self._freq_offset_layout.addWidget(self._freq_offset_tool_bar)
        self._freq_offset_tool_bar.addWidget(Qt.QLabel("Frequency Offset"+": "))
        class qwt_counter_pyslot(Qwt.QwtCounter):
            def __init__(self, parent=None):
                Qwt.QwtCounter.__init__(self, parent)
            @pyqtSlot('double')
            def setValue(self, value):
                super(Qwt.QwtCounter, self).setValue(value)
        self._freq_offset_counter = qwt_counter_pyslot()
        self._freq_offset_counter.setRange(-0.1, 0.1, 0.001)
        self._freq_offset_counter.setNumButtons(2)
        self._freq_offset_counter.setValue(self.freq_offset)
        self._freq_offset_tool_bar.addWidget(self._freq_offset_counter)
        self._freq_offset_counter.valueChanged.connect(self.set_freq_offset)
        self._freq_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._freq_offset_slider.setRange(-0.1, 0.1, 0.001)
        self._freq_offset_slider.setValue(self.freq_offset)
        self._freq_offset_slider.setMinimumWidth(200)
        self._freq_offset_slider.valueChanged.connect(self.set_freq_offset)
        self._freq_offset_layout.addWidget(self._freq_offset_slider)
        self.controls_grid_layout_0.addLayout(self._freq_offset_layout,  0,1,1,1)
        self._eq_gain_layout = Qt.QVBoxLayout()
        self._eq_gain_label = Qt.QLabel("Equalizer: rate")
        self._eq_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._eq_gain_slider.setRange(0.0, 0.1, 0.001)
        self._eq_gain_slider.setValue(self.eq_gain)
        self._eq_gain_slider.setMinimumWidth(200)
        self._eq_gain_slider.valueChanged.connect(self.set_eq_gain)
        self._eq_gain_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._eq_gain_layout.addWidget(self._eq_gain_label)
        self._eq_gain_layout.addWidget(self._eq_gain_slider)
        self.controls_grid_layout_1.addLayout(self._eq_gain_layout,  0,1,1,1)
        self._delay_layout = Qt.QVBoxLayout()
        self._delay_tool_bar = Qt.QToolBar(self)
        self._delay_layout.addWidget(self._delay_tool_bar)
        self._delay_tool_bar.addWidget(Qt.QLabel("Delay"+": "))
        class qwt_counter_pyslot(Qwt.QwtCounter):
            def __init__(self, parent=None):
                Qwt.QwtCounter.__init__(self, parent)
            @pyqtSlot('double')
            def setValue(self, value):
                super(Qwt.QwtCounter, self).setValue(value)
        self._delay_counter = qwt_counter_pyslot()
        self._delay_counter.setRange(0, 200, 1)
        self._delay_counter.setNumButtons(2)
        self._delay_counter.setValue(self.delay)
        self._delay_tool_bar.addWidget(self._delay_counter)
        self._delay_counter.valueChanged.connect(self.set_delay)
        self._delay_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._delay_slider.setRange(0, 200, 1)
        self._delay_slider.setValue(self.delay)
        self._delay_slider.setMinimumWidth(200)
        self._delay_slider.valueChanged.connect(self.set_delay)
        self._delay_layout.addWidget(self._delay_slider)
        self.top_grid_layout.addLayout(self._delay_layout, 1,0,1,1)
        self.tutorial_my_qpsk_demod_cb_1 = tutorial.my_qpsk_demod_cb(True)
        self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
        	500, #size
        	samp_rate, #samp_rate
        	"", #name
        	2 #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, 2)
        self.qtgui_time_sink_x_0_0.enable_tags(-1, 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(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", "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:
                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, 2,1,1,1)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
        	500, #size
        	samp_rate, #samp_rate
        	"", #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, 4)
        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(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", "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.received_grid_layout_1.addWidget(self._qtgui_time_sink_x_0_win,  0,0,1,1)
        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.enable_autoscale(False)
        
        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.received_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win,  0,0,1,1)
        self._freq_bw_layout = Qt.QVBoxLayout()
        self._freq_bw_label = Qt.QLabel("Frequency Bandwidth")
        self._freq_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._freq_bw_slider.setRange(0.0, 1.0, 0.01)
        self._freq_bw_slider.setValue(self.freq_bw)
        self._freq_bw_slider.setMinimumWidth(200)
        self._freq_bw_slider.valueChanged.connect(self.set_freq_bw)
        self._freq_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
        self._freq_bw_layout.addWidget(self._freq_bw_label)
        self._freq_bw_layout.addWidget(self._freq_bw_slider)
        self.controls_grid_layout_1.addLayout(self._freq_bw_layout,  0,3,1,1)
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2)
        self.digital_map_bb_0 = digital.map_bb(([0,1,3,2]))
        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
        self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity)
        self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble), (matched_filter), sps)
        self.digital_constellation_modulator_0 = digital.generic_mod(
          constellation=qpsk,
          differential=True,
          samples_per_symbol=sps,
          pre_diff_code=True,
          excess_bw=excess_bw,
          verbose=False,
          log=False,
          )
        self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2)
        self.channels_channel_model_0 = channels.channel_model(
        	noise_voltage=noise_volt,
        	frequency_offset=freq_offset,
        	epsilon=time_offset,
        	taps=(taps),
        	noise_seed=0,
        	block_tags=False
        )
        self.blocks_vector_source_x_0_0 = blocks.vector_source_b(map(lambda x: (-x+1)/2, preamble), True, 1, [])
        self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8)
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
        self.blocks_stream_mux_0_0_0 = blocks.stream_mux(gr.sizeof_char*1, (len(preamble)/8,payload_size))
        self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8)
        self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
        self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/franchz/tcc/gnuradio/tx_teste.txt", True)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/franchz/tcc/gnuradio/rx_teste.txt", False)
        self.blocks_file_sink_0.set_unbuffered(False)
        self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, int(delay))
        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_char_to_float_0 = blocks.char_to_float(1, 1)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0))
        self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))
        self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0_0, 0))
        self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_stream_mux_0_0_0, 0))
        self.connect((self.channels_channel_model_0, 0), (self.digital_correlate_and_sync_cc_0, 0))
        self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_null_sink_0, 0))
        self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_mux_0_0_0, 1))
        self.connect((self.blocks_file_source_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))
        self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0, 1))
        self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_delay_0, 0))
        self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0_0, 0))
        self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_file_sink_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_1, 0))
        self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.tutorial_my_qpsk_demod_cb_1, 0), (self.digital_map_bb_0, 0))
        self.connect((self.digital_map_bb_0, 0), (self.digital_diff_decoder_bb_0, 0))
        self.connect((self.digital_costas_loop_cc_0, 0), (self.tutorial_my_qpsk_demod_cb_1, 0))
        self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_char_to_float_0, 0))
        self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
Ejemplo n.º 39
0
    def __init__(self):
        gr.top_block.__init__(self, "Message Test")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Message Test")
        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", "message_test")

        if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
            self.restoreGeometry(self.settings.value("geometry").toByteArray())
        else:
            self.restoreGeometry(
                self.settings.value("geometry", type=QtCore.QByteArray))

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 8
        self.nfilts = nfilts = 32
        self.excess_bw = excess_bw = 0.35
        self.timing_loop_bw = timing_loop_bw = 62.8e-3
        self.taps_0 = taps_0 = [1.0, 0.25 - 0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
        self.taps = taps = [
            1.0 + 0.0j,
        ]
        self.samp_rate_0 = samp_rate_0 = 10e3
        self.samp_rate = samp_rate = 44.1e3
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
            nfilts, nfilts, 1.0 / float(sps), excess_bw, 11 * sps * nfilts)
        self.qpsk = qpsk = digital.constellation_rect(
            ([1 + 1j, -1 + 1j, -1 - 1j, 1 - 1j]), ([0, 1, 2, 3]), 4, 2, 2, 1,
            1).base()
        self.phase_bw = phase_bw = 62.8e-3
        self.eq_gain = eq_gain = 10e-3
        self.center_freq = center_freq = 5e3
        self.arity = arity = 4

        self.BPSK = BPSK = digital.constellation_bpsk().base()

        ##################################################
        # Blocks
        ##################################################
        self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
                                                     qtgui.NUM_GRAPH_HORIZ, 1)
        self.qtgui_number_sink_0.set_update_time(0.10)
        self.qtgui_number_sink_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 xrange(1):
            self.qtgui_number_sink_0.set_min(i, -1)
            self.qtgui_number_sink_0.set_max(i, 1)
            self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
            if len(labels[i]) == 0:
                self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
            else:
                self.qtgui_number_sink_0.set_label(i, labels[i])
            self.qtgui_number_sink_0.set_unit(i, units[i])
            self.qtgui_number_sink_0.set_factor(i, factor[i])

        self.qtgui_number_sink_0.enable_autoscale(True)
        self._qtgui_number_sink_0_win = sip.wrapinstance(
            self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_number_sink_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_layout.addWidget(self._qtgui_const_sink_x_0_win)
        self.fec_ber_bf_0 = fec.ber_bf(False, 100, -7.0)
        self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(
            sps, timing_loop_bw, (rrc_taps), nfilts, nfilts / 2, 1.5, 1)
        self.digital_map_bb_0_0_0 = digital.map_bb((qpsk.pre_diff_code()))
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=qpsk,
            differential=False,
            samples_per_symbol=sps,
            pre_diff_code=True,
            excess_bw=excess_bw,
            verbose=True,
            log=False,
        )
        self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
            qpsk)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, 32e3,
                                                 True)
        self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
            2, 8, "", False, gr.GR_MSB_FIRST)
        self.analog_random_source_x_0 = blocks.vector_source_b(
            map(int, numpy.random.randint(0, 256, 5000)), True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_random_source_x_0, 0),
                     (self.blocks_throttle_0, 0))
        self.connect((self.blocks_repack_bits_bb_0_0, 0),
                     (self.fec_ber_bf_0, 1))
        self.connect((self.blocks_throttle_0, 0),
                     (self.digital_constellation_modulator_0, 0))
        self.connect((self.blocks_throttle_0, 0), (self.fec_ber_bf_0, 0))
        self.connect((self.digital_constellation_decoder_cb_0, 0),
                     (self.digital_map_bb_0_0_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0),
                     (self.digital_pfb_clock_sync_xxx_0_0, 0))
        self.connect((self.digital_map_bb_0_0_0, 0),
                     (self.blocks_repack_bits_bb_0_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0),
                     (self.digital_constellation_decoder_cb_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0),
                     (self.qtgui_const_sink_x_0, 0))
        self.connect((self.fec_ber_bf_0, 0), (self.qtgui_number_sink_0, 0))
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="eye_diagram")

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 100000

        self.constellation_mapper = constellation_mapper = digital.constellation_calcdist(
            ([-1, 1]), ([0, 1]), 4, 1).base()

        ##################################################
        # Blocks
        ##################################################
        self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
            self.GetWin(),
            title='Scope Plot',
            sample_rate=samp_rate,
            v_scale=0,
            v_offset=0,
            t_scale=0,
            ac_couple=False,
            xy_mode=False,
            num_inputs=1,
            trig_mode=wxgui.TRIG_MODE_FREE,
            y_axis_label='Counts',
        )
        self.Add(self.wxgui_scopesink2_0.win)
        self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(
            1, firdes.root_raised_cosine(1, 8, 1.0, 0.35, 88))
        self.digital_constellation_modulator_0 = digital.generic_mod(
            constellation=constellation_mapper,
            differential=True,
            samples_per_symbol=8,
            pre_diff_code=True,
            excess_bw=0.35,
            verbose=False,
            log=False,
        )
        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=False)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate,
                                                 True)
        self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
        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_throttle_0, 0))
        self.connect((self.blocks_complex_to_real_0, 0),
                     (self.wxgui_scopesink2_0, 0))
        self.connect((self.blocks_throttle_0, 0),
                     (self.digital_constellation_modulator_0, 0))
        self.connect((self.channels_channel_model_0, 0),
                     (self.root_raised_cosine_filter_0, 0))
        self.connect((self.digital_constellation_modulator_0, 0),
                     (self.channels_channel_model_0, 0))
        self.connect((self.root_raised_cosine_filter_0, 0),
                     (self.blocks_complex_to_real_0, 0))
Ejemplo n.º 41
0
    def __init__(self, EbNo_dB=15, NumBits=100000, MinGap=2040, MaxGap=4095, frequency_offset_hz=100e3, host='127.0.0.1', iq_filename='iq.dat', iq_port=9094, packet_port=9095, rx_packet_filename='rx_packets.bin', timing_offset_ppm=20, truth_filename='truth.bin', tx_packet_filename='out_packets.bin'):
        gr.top_block.__init__(self, "Hurdle 1")

        ##################################################
        # Parameters
        ##################################################
        self.EbNo_dB = EbNo_dB
        self.NumBits = NumBits
        self.MinGap = MinGap
        self.MaxGap = MaxGap
        self.frequency_offset_hz = frequency_offset_hz
        self.host = host
        self.iq_filename = iq_filename
        self.iq_port = iq_port
        self.packet_port = packet_port
        self.rx_packet_filename = rx_packet_filename
        self.timing_offset_ppm = timing_offset_ppm
        self.truth_filename = truth_filename
        self.tx_packet_filename = tx_packet_filename

        ##################################################
        # Variables
        ##################################################
        self.symbol_rate = symbol_rate = 1000000
        self.samp_rate = samp_rate = 4000000
        self.samps_per_sym = samps_per_sym = samp_rate/symbol_rate
        
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(1.0, samp_rate, symbol_rate, 0.35, 11*4)
          
        
        self.qpsk = qpsk = digital.constellation_calcdist(([-1-1j, -1+1j, 1+1j, 1-1j]), ([0, 1, 3, 2]), 4, 1).base()
        
        self.noise_voltage = noise_voltage = (samp_rate/(2*symbol_rate)*10**(-EbNo_dB/10.0))**0.5

        ##################################################
        # Blocks
        ##################################################
        self.mod = digital.generic_mod(
          constellation=qpsk,
          differential=False,
          samples_per_symbol=samps_per_sym,
          pre_diff_code=True,
          excess_bw=0.7,
          verbose=False,
          log=False,
          )
        self.hurdle1_zero_pad_0 = hurdle1.zero_pad(gr.sizeof_gr_complex, 'zero_pad')
        self.hurdle1_traffic_parser_0 = hurdle1.traffic_parser('pkt_len', 'zero_pad')
        self.hurdle1_tcp_server_source_0 = hurdle1.tcp_server_source(gr.sizeof_char, host, packet_port)
        self.hurdle1_tcp_server_sink_0 = hurdle1.tcp_server_sink(gr.sizeof_gr_complex, host, iq_port)
        self.hurdle1_tag_delay_0 = hurdle1.tag_delay(int(22*samps_per_sym))
        self.hurdle1_random_packet_source_0 = hurdle1.random_packet_source(0x99999999, 0x1ACFFC1D, NumBits, MinGap, MaxGap, truth_filename)
        self.channels_channel_model_0 = channels.channel_model(
        	noise_voltage=noise_voltage,
        	frequency_offset=frequency_offset_hz/samp_rate,
        	epsilon=1+timing_offset_ppm/1e6,
        	taps=(1.0, ),
        	noise_seed=0,
        	block_tags=False
        )
        self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_gr_complex*1, 'symbols_out.bin', False)
        self.blocks_file_sink_1.set_unbuffered(False)
        self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char*1, rx_packet_filename, False)
        self.blocks_file_sink_0_0.set_unbuffered(False)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, iq_filename, False)
        self.blocks_file_sink_0.set_unbuffered(False)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.channels_channel_model_0, 0), (self.blocks_file_sink_0, 0))    
        self.connect((self.channels_channel_model_0, 0), (self.hurdle1_tcp_server_sink_0, 0))    
        self.connect((self.hurdle1_random_packet_source_0, 0), (self.hurdle1_traffic_parser_0, 0))    
        self.connect((self.hurdle1_tag_delay_0, 0), (self.hurdle1_zero_pad_0, 0))    
        self.connect((self.hurdle1_tcp_server_source_0, 0), (self.blocks_file_sink_0_0, 0))    
        self.connect((self.hurdle1_traffic_parser_0, 0), (self.mod, 0))    
        self.connect((self.hurdle1_zero_pad_0, 0), (self.channels_channel_model_0, 0))    
        self.connect((self.mod, 0), (self.blocks_file_sink_1, 0))    
        self.connect((self.mod, 0), (self.hurdle1_tag_delay_0, 0))