Пример #1
0
def psk31_matched(samp_per_sym, phases=1):
    '''Return matched filter taps for PSK31

    It's just a raised cosine impulse, AKA Hann function. Specifying a `phases`
    greater than 1 interpolates the filter for use with polyphase clock sync,
    etc.
    '''
    window_size = 2 * samp_per_sym * phases + 1
    taps = firdes.window(firdes.WIN_HANN, window_size, 0)[:-1]
    return _normalize_gain(taps, phases)
Пример #2
0
 def checkFftScale(self, ):
     firstRun = True
     while True:
         try:
             fftSize = int(self.freqSink.fft_size())
             fftSizeN = int(numpy.log2(float(fftSize)))
             if firstRun or fftSizeN != self.fftSizeN:
                 firstRun = False
                 print self.label, "Adjusting FFT Scaling", fftSize, fftSizeN
                 self.set_fftSizeN = fftSizeN
                 self.fftSize = fftSize
                 winType = self.freqSink.fft_window()
                 #~ w  = firdes.window(winType, fftSize, 6.76)
                 #~ wsum = numpy.sum(numpy.sum(w))
                 #~ print wsum, fftSizeN, float(fftSize)/wsum
                 logScale = 20 * numpy.log10(
                     float(fftSize) /
                     numpy.sum(firdes.window(winType, fftSize, 6.76)))
                 print self.label, winType, logScale
                 self.set_fftGainLog(logScale)
         except:
             traceback.print_exc()
         time.sleep(10.0)
Пример #3
0
    def __init__(self, phy_args, phy_sample_rate, phy_rx_gain, phy_tx_gain,
                 phy_ppm, phy_rx_antenna, phy_tx_antenna, phy_freq_offset,
                 trx_bind_addr, trx_remote_addr, trx_base_port):

        print("[i] Init Radio interface (L:%s:%u <-> R:%s:%u)" %
              (trx_bind_addr, trx_base_port + 2, trx_remote_addr,
               trx_base_port + 102))

        # PHY specific variables
        self.sample_rate = phy_sample_rate
        self.rx_gain = phy_rx_gain
        self.tx_gain = phy_tx_gain
        self.ppm = phy_ppm
        self.freq_offset = phy_freq_offset

        gr.top_block.__init__(self, "GR-GSM TRX")

        # TRX Burst Interface
        self.trx_burst_if = grgsm.trx_burst_if(trx_bind_addr, trx_remote_addr,
                                               str(trx_base_port))

        # RX path definition
        self.phy_src = uhd.usrp_source(
            phy_args, uhd.stream_args(cpu_format="fc32", channels=range(1)))

        self.phy_src.set_clock_rate(26e6, uhd.ALL_MBOARDS)
        self.phy_src.set_center_freq(self.rx_freq, 0)
        self.phy_src.set_antenna(phy_rx_antenna, 0)
        self.phy_src.set_samp_rate(phy_sample_rate)
        self.phy_src.set_bandwidth(650e3, 0)
        self.phy_src.set_gain(phy_rx_gain)

        self.msg_to_tag_src = grgsm.msg_to_tag()

        self.rotator_src = grgsm.controlled_rotator_cc(
            self.calc_phase_inc(self.rx_freq))

        self.lpf = filter.fir_filter_ccf(
            1,
            firdes.low_pass(1, phy_sample_rate, 125e3, 5e3, firdes.WIN_HAMMING,
                            6.76))

        self.gsm_receiver = grgsm.receiver(self.osr, ([0]), ([]))

        self.ts_filter = grgsm.burst_timeslot_filter(0)
        self.ts_filter.set_policy(grgsm.FILTER_POLICY_DROP_ALL)

        # Connections
        self.connect((self.phy_src, 0), (self.msg_to_tag_src, 0))

        self.connect((self.msg_to_tag_src, 0), (self.rotator_src, 0))

        self.connect((self.rotator_src, 0), (self.lpf, 0))

        self.connect((self.lpf, 0), (self.gsm_receiver, 0))

        self.msg_connect((self.gsm_receiver, 'C0'), (self.ts_filter, 'in'))

        self.msg_connect((self.ts_filter, 'out'),
                         (self.trx_burst_if, 'bursts'))

        # TX Path Definition
        self.phy_sink = uhd.usrp_sink(
            phy_args, uhd.stream_args(cpu_format="fc32", channels=range(1)),
            "packet_len")

        self.phy_sink.set_clock_rate(26e6, uhd.ALL_MBOARDS)
        self.phy_sink.set_antenna(phy_tx_antenna, 0)
        self.phy_sink.set_samp_rate(phy_sample_rate)
        self.phy_sink.set_center_freq(self.tx_freq, 0)
        self.phy_sink.set_gain(self.tx_gain)

        self.tx_time_setter = grgsm.txtime_setter(
            0xffffffff, 0, 0, 0, 0, 0,
            self.delay_correction + self.GSM_UL_DL_SHIFT_uS * 1e-6)

        self.tx_burst_proc = grgsm.preprocess_tx_burst()

        self.pdu_to_tagged_stream = blocks.pdu_to_tagged_stream(
            blocks.byte_t, 'packet_len')

        self.gmsk_mod = grgsm.gsm_gmsk_mod(BT=0.3,
                                           pulse_duration=4,
                                           sps=self.osr)

        self.burst_shaper = digital.burst_shaper_cc(
            (firdes.window(firdes.WIN_HANN, 16, 0)), 0, 20, False,
            "packet_len")

        self.msg_to_tag_sink = grgsm.msg_to_tag()

        self.rotator_sink = grgsm.controlled_rotator_cc(
            -self.calc_phase_inc(self.tx_freq))

        # Connections
        self.msg_connect((self.trx_burst_if, 'bursts'),
                         (self.tx_time_setter, 'bursts_in'))

        self.msg_connect((self.tx_time_setter, 'bursts_out'),
                         (self.tx_burst_proc, 'bursts_in'))

        self.msg_connect((self.tx_burst_proc, 'bursts_out'),
                         (self.pdu_to_tagged_stream, 'pdus'))

        self.connect((self.pdu_to_tagged_stream, 0), (self.gmsk_mod, 0))

        self.connect((self.gmsk_mod, 0), (self.burst_shaper, 0))

        self.connect((self.burst_shaper, 0), (self.msg_to_tag_sink, 0))

        self.connect((self.msg_to_tag_sink, 0), (self.rotator_sink, 0))

        self.connect((self.rotator_sink, 0), (self.phy_sink, 0))

        # RX & TX synchronization
        self.bt_filter = grgsm.burst_type_filter([3])
        self.burst_to_fn_time = grgsm.burst_to_fn_time()

        # Connections
        self.msg_connect((self.gsm_receiver, 'C0'),
                         (self.bt_filter, 'bursts_in'))

        self.msg_connect((self.bt_filter, 'bursts_out'),
                         (self.burst_to_fn_time, 'bursts_in'))

        self.msg_connect((self.burst_to_fn_time, 'fn_time_out'),
                         (self.tx_time_setter, 'fn_time'))

        # AFC (Automatic Frequency Correction)
        self.gsm_clck_ctrl = grgsm.clock_offset_control(self.rx_freq,
                                                        phy_sample_rate,
                                                        osr=self.osr)

        self.dict_toggle_sign = dict_toggle_sign()

        # Connections
        self.msg_connect((self.gsm_receiver, 'measurements'),
                         (self.gsm_clck_ctrl, 'measurements'))

        self.msg_connect((self.gsm_clck_ctrl, 'ctrl'),
                         (self.msg_to_tag_src, 'msg'))

        self.msg_connect((self.gsm_clck_ctrl, 'ctrl'),
                         (self.dict_toggle_sign, 'dict_in'))

        self.msg_connect((self.dict_toggle_sign, 'dict_out'),
                         (self.msg_to_tag_sink, 'msg'))

        # Some UHD devices (such as UmTRX) do start the clock
        # not from 0, so it's required to reset it manually.
        # Resetting UHD source will also affect the sink.
        self.phy_src.set_time_now(uhd.time_spec(0.0))
Пример #4
0
    def __init__(self,
                 delay_correction=285.616e-6,
                 osr=4,
                 ppm=-0.799427,
                 rx_freq=935e6 + 36 * 0.2e6,
                 rx_gain=40,
                 samp_rate=13e6 / 12.0,
                 timing_advance=0,
                 trx_base_port="5710",
                 trx_remote_addr="127.0.0.1",
                 tx_freq=935e6 + 36 * 0.2e6 - 45e6,
                 tx_gain=40,
                 uplink_shift=-(6.0 / 1625000 * (156.25) * 3)):
        gr.top_block.__init__(self, "Trx radio interface")

        ##################################################
        # Parameters
        ##################################################
        self.delay_correction = delay_correction
        self.osr = osr
        self.ppm = ppm
        self.rx_freq = rx_freq
        self.rx_gain = rx_gain
        self.samp_rate = samp_rate
        self.timing_advance = timing_advance
        self.trx_base_port = trx_base_port
        self.trx_remote_addr = trx_remote_addr
        self.tx_freq = tx_freq
        self.tx_gain = tx_gain
        self.uplink_shift = uplink_shift

        ##################################################
        # 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_clock_rate(26e6, uhd.ALL_MBOARDS)
        self.uhd_usrp_source_0.set_samp_rate(samp_rate)
        self.uhd_usrp_source_0.set_center_freq(rx_freq, 0)
        self.uhd_usrp_source_0.set_gain(rx_gain, 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),
            ),
            "packet_len",
        )
        self.uhd_usrp_sink_0.set_clock_rate(26e6, uhd.ALL_MBOARDS)
        self.uhd_usrp_sink_0.set_subdev_spec("A:B", 0)
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(tx_freq, 0)
        self.uhd_usrp_sink_0.set_gain(tx_gain, 0)
        self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
        self.ts_filter = grgsm.burst_timeslot_filter(0)
        self.low_pass_filter_0_0 = filter.fir_filter_ccf(
            1,
            firdes.low_pass(1, samp_rate, 125e3, 5e3, firdes.WIN_HAMMING,
                            6.76))
        self.gsm_txtime_setter_0 = grgsm.txtime_setter(
            None if (None is not None) else 0xffffffff, 0, 0, 0, 0,
            timing_advance, delay_correction + uplink_shift)
        self.gsm_trx_burst_if_0 = grgsm.trx_burst_if(trx_remote_addr,
                                                     trx_base_port)
        self.gsm_receiver_0 = grgsm.receiver(4, ([0]), ([4]), False)
        self.gsm_preprocess_tx_burst_0 = grgsm.preprocess_tx_burst()
        self.gsm_msg_to_tag_0_0 = grgsm.msg_to_tag()
        self.gsm_msg_to_tag_0 = grgsm.msg_to_tag()
        self.gsm_gmsk_mod_0 = gsm_gmsk_mod(
            BT=0.3,
            pulse_duration=4,
            sps=osr,
        )
        self.gsm_controlled_rotator_cc_0_0 = grgsm.controlled_rotator_cc(
            -ppm / 1.0e6 * 2 * math.pi * tx_freq / samp_rate)
        self.gsm_controlled_rotator_cc_0 = grgsm.controlled_rotator_cc(
            ppm / 1.0e6 * 2 * math.pi * rx_freq / samp_rate)
        self.gsm_clock_offset_control_0 = grgsm.clock_offset_control(
            rx_freq, samp_rate, osr)
        self.gsm_burst_type_filter_0 = grgsm.burst_type_filter(([3]))
        self.gsm_burst_to_fn_time_0 = grgsm.burst_to_fn_time()
        self.digital_burst_shaper_xx_0 = digital.burst_shaper_cc(
            (firdes.window(firdes.WIN_HANN, 16, 0)), 0, 20, False,
            "packet_len")
        self.dict_toggle_sign = dict_toggle_sign()
        self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
            blocks.byte_t, "packet_len")

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.dict_toggle_sign, 'dict_out'),
                         (self.gsm_msg_to_tag_0_0, 'msg'))
        self.msg_connect((self.gsm_burst_to_fn_time_0, 'fn_time_out'),
                         (self.gsm_txtime_setter_0, 'fn_time'))
        self.msg_connect((self.gsm_burst_type_filter_0, 'bursts_out'),
                         (self.gsm_burst_to_fn_time_0, 'bursts_in'))
        self.msg_connect((self.gsm_clock_offset_control_0, 'ctrl'),
                         (self.dict_toggle_sign, 'dict_in'))
        self.msg_connect((self.gsm_clock_offset_control_0, 'ctrl'),
                         (self.gsm_msg_to_tag_0, 'msg'))
        self.msg_connect((self.gsm_preprocess_tx_burst_0, 'bursts_out'),
                         (self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
        self.msg_connect((self.gsm_receiver_0, 'C0'),
                         (self.gsm_burst_type_filter_0, 'bursts_in'))
        self.msg_connect((self.gsm_receiver_0, 'measurements'),
                         (self.gsm_clock_offset_control_0, 'measurements'))
        self.msg_connect((self.gsm_receiver_0, 'C0'), (self.ts_filter, 'in'))
        self.msg_connect((self.gsm_trx_burst_if_0, 'bursts'),
                         (self.gsm_txtime_setter_0, 'bursts_in'))
        self.msg_connect((self.gsm_txtime_setter_0, 'bursts_out'),
                         (self.gsm_preprocess_tx_burst_0, 'bursts_in'))
        self.msg_connect((self.ts_filter, 'out'),
                         (self.gsm_trx_burst_if_0, 'bursts'))
        self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
                     (self.gsm_gmsk_mod_0, 0))
        self.connect((self.digital_burst_shaper_xx_0, 0),
                     (self.gsm_msg_to_tag_0_0, 0))
        self.connect((self.gsm_controlled_rotator_cc_0, 0),
                     (self.low_pass_filter_0_0, 0))
        self.connect((self.gsm_controlled_rotator_cc_0_0, 0),
                     (self.uhd_usrp_sink_0, 0))
        self.connect((self.gsm_gmsk_mod_0, 0),
                     (self.digital_burst_shaper_xx_0, 0))
        self.connect((self.gsm_msg_to_tag_0, 0),
                     (self.gsm_controlled_rotator_cc_0, 0))
        self.connect((self.gsm_msg_to_tag_0_0, 0),
                     (self.gsm_controlled_rotator_cc_0_0, 0))
        self.connect((self.low_pass_filter_0_0, 0), (self.gsm_receiver_0, 0))
        self.connect((self.uhd_usrp_source_0, 0), (self.gsm_msg_to_tag_0, 0))
Пример #5
0
    def __init__(self):
        gr.top_block.__init__(self, "Novo")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Novo")
        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", "novo")
        self.restoreGeometry(
            self.settings.value("geometry", type=QtCore.QByteArray))

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 2
        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.Const_HDR = Const_HDR = digital.constellation_calcdist(
            (digital.psk_2()[0]), (digital.psk_2()[1]), 2, 1).base()

        self.Const_HDR.gen_soft_dec_lut(8)
        self.taps_per_filt = taps_per_filt = len(tx_rrc_taps) / nfilts
        self.rxmod = rxmod = digital.generic_mod(Const_HDR, False, sps, True,
                                                 eb, False, False)
        self.preamble = preamble = [
            0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc
        ]
        self.mark_delays = mark_delays = [0, 0, 34, 56, 87, 119]
        self.snc_threshold = snc_threshold = 0.9
        self.samp_rate = samp_rate = 32000

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

        self.packet_len_tag_key = packet_len_tag_key = "packet_length"
        self.packet_len = packet_len = 100
        self.ntaps = ntaps = len(tx_rrc_taps)
        self.noise_voltage = noise_voltage = 1
        self.modulated_sync_word = modulated_sync_word = digital.modulate_vector_bc(
            rxmod.to_basic_block(), (preamble), ([1]))
        self.mark_delay = mark_delay = mark_delays[sps]

        self.hdr_format = hdr_format = digital.header_format_default(
            digital.packet_utils.default_access_code, 1, 1)

        self.freq_offset = freq_offset = 0
        self.filt_delay = filt_delay = 1 + (taps_per_filt - 1) / 2

        self.enc_hdr = enc_hdr = fec.dummy_encoder_make(8000)

        self.enc = enc = fec.dummy_encoder_make(8000)

        self.dec_hdr = dec_hdr = fec.dummy_decoder.make(8000)

        self.Const_PLD = Const_PLD = digital.constellation_calcdist(
            (digital.psk_2()[0]), (digital.psk_2()[1]), 2, 1).base()

        self.Const_PLD.gen_soft_dec_lut(8)

        ##################################################
        # Blocks
        ##################################################
        self._noise_voltage_range = Range(0, 8, .05, 1, 200)
        self._noise_voltage_win = RangeWidget(self._noise_voltage_range,
                                              self.set_noise_voltage,
                                              'Noise Amplitude',
                                              "counter_slider", float)
        self.top_grid_layout.addWidget(self._noise_voltage_win)
        self._freq_offset_range = Range(-30, 30, .1, 0, 200)
        self._freq_offset_win = RangeWidget(
            self._freq_offset_range, self.set_freq_offset,
            'Frequency Offset (Multiples of Sub-carrier spacing)',
            "counter_slider", float)
        self.top_grid_layout.addWidget(self._freq_offset_win)
        self._snc_threshold_range = Range(0, 1, .05, 0.9, 200)
        self._snc_threshold_win = RangeWidget(self._snc_threshold_range,
                                              self.set_snc_threshold,
                                              'S&C Threshold',
                                              "counter_slider", float)
        self.top_grid_layout.addWidget(self._snc_threshold_win)
        self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
            packet_len * 3,  #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, '')
        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(
            packet_len * 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, 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_TAG,
                                                  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.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
            1024,  #size
            firdes.WIN_BLACKMAN_hARRIS,  #wintype
            0,  #fc
            samp_rate,  #bw
            'Rx Spectrum',  #name
            1  #number of inputs
        )
        self.qtgui_freq_sink_x_0.set_update_time(0.10)
        self.qtgui_freq_sink_x_0.set_y_axis(-60, 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(True)
        self.qtgui_freq_sink_x_0.set_fft_average(1.0)
        self.qtgui_freq_sink_x_0.enable_axis_labels(True)
        self.qtgui_freq_sink_x_0.enable_control_panel(False)

        if not True:
            self.qtgui_freq_sink_x_0.disable_legend()

        if "complex" == "float" or "complex" == "msg_float":
            self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)

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

        self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
            self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
        self.pfb_arb_resampler_xxx_0_0 = pfb.arb_resampler_ccf(
            sps, taps=(tx_rrc_taps), flt_size=nfilts)
        self.pfb_arb_resampler_xxx_0_0.declare_sample_delay(filt_delay)

        self.digital_protocol_parser_b_0 = digital.protocol_parser_b(
            hdr_format)
        self.digital_protocol_formatter_bb_0 = digital.protocol_formatter_bb(
            hdr_format, packet_len_tag_key)
        self.digital_pfb_clock_sync_xxx_0_1 = digital.pfb_clock_sync_ccf(
            sps, 6.28 / 400.0, (rx_rrc_taps), nfilts, nfilts / 2, 1.5, 1)
        self.digital_map_bb_1_0 = digital.map_bb((Const_PLD.pre_diff_code()))
        self.digital_map_bb_1 = digital.map_bb((Const_HDR.pre_diff_code()))
        self.digital_header_payload_demux_0 = digital.header_payload_demux(
            hdr_format.header_nbits() / Const_HDR.bits_per_symbol(),
            1,
            0,
            "payload symbols",
            "time_est",
            True,
            gr.sizeof_gr_complex,
            "rx_time",
            sps,
            "",
            0,
        )
        self.digital_corr_est_cc_0_0 = digital.corr_est_cc(
            (modulated_sync_word), 1, mark_delay, 0.999)
        self.digital_constellation_soft_decoder_cf_0_1 = digital.constellation_soft_decoder_cf(
            Const_PLD)
        self.digital_constellation_soft_decoder_cf_0_0 = digital.constellation_soft_decoder_cf(
            Const_HDR)
        self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
            (Const_PLD.points()), 1)
        self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
            (Const_HDR.points()), 1)
        self.digital_burst_shaper_xx_0_0 = digital.burst_shaper_cc(
            (firdes.window(firdes.WIN_HANN, 20, 0)), 0, filt_delay, True,
            packet_len_tag_key)
        (self.digital_burst_shaper_xx_0_0).set_block_alias("burst_shaper0")
        self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
        self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
        self.channels_channel_model_0 = channels.channel_model(
            noise_voltage=0,
            frequency_offset=freq_offset * 1.0 / packet_len,
            epsilon=1.0,
            taps=(1.0 + 1.0j, ),
            noise_seed=0,
            block_tags=True)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
                                                 samp_rate, True)
        self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
            gr.sizeof_gr_complex * 1, packet_len_tag_key, 0)
        self.blocks_tagged_stream_multiply_length_0_1 = blocks.tagged_stream_multiply_length(
            gr.sizeof_gr_complex * 1, packet_len_tag_key, sps)
        self.blocks_tag_debug_0_0_0 = blocks.tag_debug(gr.sizeof_char * 1,
                                                       'TAGGED', "")
        self.blocks_tag_debug_0_0_0.set_display(True)
        self.blocks_tag_debug_0_0 = blocks.tag_debug(gr.sizeof_gr_complex * 1,
                                                     'MUX', "")
        self.blocks_tag_debug_0_0.set_display(True)
        self.blocks_stream_to_tagged_stream_0_0 = blocks.stream_to_tagged_stream(
            gr.sizeof_char, 1, packet_len, packet_len_tag_key)
        self.blocks_repack_bits_bb_1_0 = blocks.repack_bits_bb(
            1, 8, "", False, gr.GR_MSB_FIRST)
        self.blocks_repack_bits_bb_1 = blocks.repack_bits_bb(
            1, 8, "", False, gr.GR_MSB_FIRST)
        self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
            8, Const_PLD.bits_per_symbol(), packet_len_tag_key, False,
            gr.GR_MSB_FIRST)
        self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
            8, Const_HDR.bits_per_symbol(), packet_len_tag_key, False,
            gr.GR_MSB_FIRST)
        self.blocks_file_source_0 = blocks.file_source(
            gr.sizeof_char * 1, '/home/andre/Desktop/trasmit_1_mb.txt', True)
        self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
        self.blocks_file_sink_0_0_0_0 = blocks.file_sink(
            gr.sizeof_char * 1, 'depois.txt', False)
        self.blocks_file_sink_0_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)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.digital_protocol_parser_b_0, 'info'),
                         (self.digital_header_payload_demux_0, 'header_data'))
        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),
                     (self.blocks_stream_to_tagged_stream_0_0, 0))
        self.connect((self.blocks_repack_bits_bb_0, 0),
                     (self.digital_map_bb_1, 0))
        self.connect((self.blocks_repack_bits_bb_0_0, 0),
                     (self.digital_map_bb_1_0, 0))
        self.connect((self.blocks_repack_bits_bb_1, 0),
                     (self.blocks_char_to_float_1_0, 0))
        self.connect((self.blocks_repack_bits_bb_1, 0),
                     (self.blocks_file_sink_0_0_0_0, 0))
        self.connect((self.blocks_repack_bits_bb_1_0, 0),
                     (self.digital_protocol_parser_b_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_0_0, 0),
                     (self.blocks_char_to_float_1_0_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_0_0, 0),
                     (self.blocks_repack_bits_bb_0_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_0_0, 0),
                     (self.digital_protocol_formatter_bb_0, 0))
        self.connect((self.blocks_tagged_stream_multiply_length_0_1, 0),
                     (self.channels_channel_model_0, 0))
        self.connect((self.blocks_tagged_stream_mux_0, 0),
                     (self.blocks_tag_debug_0_0, 0))
        self.connect((self.blocks_tagged_stream_mux_0, 0),
                     (self.digital_burst_shaper_xx_0_0, 0))
        self.connect((self.blocks_throttle_0, 0),
                     (self.digital_corr_est_cc_0_0, 0))
        self.connect((self.blocks_throttle_0, 0),
                     (self.qtgui_freq_sink_x_0, 0))
        self.connect((self.channels_channel_model_0, 0),
                     (self.blocks_throttle_0, 0))
        self.connect((self.digital_binary_slicer_fb_0, 0),
                     (self.blocks_repack_bits_bb_1, 0))
        self.connect((self.digital_binary_slicer_fb_0_0, 0),
                     (self.blocks_repack_bits_bb_1_0, 0))
        self.connect((self.digital_burst_shaper_xx_0_0, 0),
                     (self.pfb_arb_resampler_xxx_0_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0, 0),
                     (self.blocks_tagged_stream_mux_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0_0, 0),
                     (self.blocks_tagged_stream_mux_0, 1))
        self.connect((self.digital_constellation_soft_decoder_cf_0_0, 0),
                     (self.digital_binary_slicer_fb_0_0, 0))
        self.connect((self.digital_constellation_soft_decoder_cf_0_1, 0),
                     (self.digital_binary_slicer_fb_0, 0))
        self.connect((self.digital_corr_est_cc_0_0, 0),
                     (self.digital_pfb_clock_sync_xxx_0_1, 0))
        self.connect((self.digital_header_payload_demux_0, 0),
                     (self.digital_constellation_soft_decoder_cf_0_0, 0))
        self.connect((self.digital_header_payload_demux_0, 1),
                     (self.digital_constellation_soft_decoder_cf_0_1, 0))
        self.connect((self.digital_map_bb_1, 0),
                     (self.digital_chunks_to_symbols_xx_0, 0))
        self.connect((self.digital_map_bb_1_0, 0),
                     (self.digital_chunks_to_symbols_xx_0_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0_1, 0),
                     (self.digital_header_payload_demux_0, 0))
        self.connect((self.digital_protocol_formatter_bb_0, 0),
                     (self.blocks_repack_bits_bb_0, 0))
        self.connect((self.digital_protocol_formatter_bb_0, 0),
                     (self.blocks_tag_debug_0_0_0, 0))
        self.connect((self.pfb_arb_resampler_xxx_0_0, 0),
                     (self.blocks_tagged_stream_multiply_length_0_1, 0))
Пример #6
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.tx_rrc_taps = tx_rrc_taps = firdes.root_raised_cosine(
            nfilts, nfilts, 1.0, eb, 5 * sps * nfilts)

        self.taps_per_filt = taps_per_filt = len(tx_rrc_taps) / nfilts
        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.variable_qtgui_range_0_1 = variable_qtgui_range_0_1 = 50
        self.variable_qtgui_range_0 = variable_qtgui_range_0 = 34
        self.samp_rate = samp_rate = 500000

        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_calcdist(
            (digital.psk_2()[0]), (digital.psk_2()[1]), 2, 1).base()

        self.pld_const.gen_soft_dec_lut(8)
        self.frequencia_usrp = frequencia_usrp = 435000000
        self.filt_delay = filt_delay = 1 + (taps_per_filt - 1) / 2

        ##################################################
        # Blocks
        ##################################################
        self._variable_qtgui_range_0_1_range = Range(0, 73, 1, 50, 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,
                                       4, 1, 1)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(4, 5):
            self.top_grid_layout.setColumnStretch(c, 1)
        self._variable_qtgui_range_0_range = Range(0, 90, 1, 34, 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, 3,
                                       1, 1)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(3, 4):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.uhd_usrp_source_0 = uhd.usrp_source(
            ",".join(("serial=F5EAC0", "master_clock_rate=32e6")),
            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_unknown_pps(uhd.time_spec())
        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 = uhd.usrp_sink(
            ",".join(("serial=F5EAE1", "master_clock_rate=32e6")),
            uhd.stream_args(
                cpu_format="fc32",
                channels=range(1),
            ),
            'packet_len',
        )
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec())
        self.uhd_usrp_sink_0.set_center_freq(frequencia_usrp, 0)
        self.uhd_usrp_sink_0.set_gain(variable_qtgui_range_0, 0)
        self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
        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.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.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 = digital.pfb_clock_sync_ccf(
            sps, 6.28 / 400.0, (rx_rrc_taps), nfilts, nfilts / 2, 1.5, 1)
        self.digital_map_bb_1_0 = digital.map_bb((pld_const.pre_diff_code()))
        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_0 = digital.costas_loop_cc(
            6.28 / 200.0, 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_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
            (pld_const.points()), 1)
        self.digital_burst_shaper_xx_0 = digital.burst_shaper_cc(
            (firdes.window(firdes.WIN_HANN, 20, 0)), 0, filt_delay, True,
            'packet_len')
        (self.digital_burst_shaper_xx_0).set_block_alias("burst_shaper0")
        self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
        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_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(
            gr.sizeof_gr_complex * 1, 'packet_len', sps)
        self.blocks_stream_to_tagged_stream_0_0_0 = blocks.stream_to_tagged_stream(
            gr.sizeof_gr_complex, 1, 1200, "packet_len")
        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_0_0_0_1_0 = blocks.repack_bits_bb(
            1, 8, '', False, gr.GR_MSB_FIRST)
        self.blocks_keep_m_in_n_0_1_1_0 = blocks.keep_m_in_n(
            gr.sizeof_char, 440, 442, 0)
        self.blocks_keep_m_in_n_0_0_2_0 = 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_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_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.digital_map_bb_1_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_0_0_0, 0),
                     (self.digital_burst_shaper_xx_0, 0))
        self.connect((self.blocks_tagged_stream_multiply_length_0, 0),
                     (self.uhd_usrp_sink_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.digital_binary_slicer_fb_0_0, 0),
                     (self.digital_correlate_access_code_xx_ts_0_0, 0))
        self.connect((self.digital_burst_shaper_xx_0, 0),
                     (self.pfb_arb_resampler_xxx_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0_0, 0),
                     (self.blocks_stream_to_tagged_stream_0_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, 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))
        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_map_bb_1_0, 0),
                     (self.digital_chunks_to_symbols_xx_0_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
                     (self.digital_costas_loop_cc_0_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))
        self.connect((self.pfb_arb_resampler_xxx_0, 0),
                     (self.blocks_tagged_stream_multiply_length_0, 0))
        self.connect((self.uhd_usrp_source_0, 0),
                     (self.digital_fll_band_edge_cc_0, 0))
    def __init__(self, freq):
        gr.top_block.__init__(self, "Burst Transmitter")

        ##################################################
        # Variables
        ##################################################
        self.tsh = tsh = 0
        self.sps = sps = 4
        self.nfilts = nfilts = 64
        self.eb = eb = .700
        self.usrp_rate = usrp_rate = 500e3

        self.psf_taps = psf_taps = firdes.root_raised_cosine(
            nfilts / 1.5, nfilts, 1.0, eb, 5 * sps * nfilts)

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

        self.hdr_cons = hdr_cons = digital.constellation_calcdist(
            ([-1, 1]), ([0, 1]), 2, 1).base()

        self.freq = freq

        self.format_0 = format_0 = digital.header_format_default(
            digital.packet_utils.default_access_code, tsh)

        self.b_ntaps = b_ntaps = 50

        ##################################################
        # Blocks
        ##################################################
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
            ",".join(("", "")),
            uhd.stream_args(
                cpu_format="fc32",
                channels=range(1),
            ),
            "packet_len",
        )
        self.uhd_usrp_sink_0.set_samp_rate(usrp_rate)
        self.uhd_usrp_sink_0.set_center_freq(freq, 0)
        self.uhd_usrp_sink_0.set_gain(0, 0)
        self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(sps,
                                                             taps=(psf_taps),
                                                             flt_size=nfilts)
        self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)

        self.low_pass_filter_0 = filter.fir_filter_ccf(
            1,
            firdes.low_pass(1, usrp_rate, usrp_rate / sps * 1.4, 10e3,
                            firdes.WIN_KAISER, 6.76))
        self.digital_protocol_formatter_async_0 = digital.protocol_formatter_async(
            format_0)
        self.digital_map_bb_0_0 = digital.map_bb((pld_cons.pre_diff_code()))
        self.digital_map_bb_0 = digital.map_bb((hdr_cons.pre_diff_code()))
        self.digital_diff_encoder_bb_0_0 = digital.diff_encoder_bb(
            pld_cons.arity())
        self.digital_crc32_async_bb_0 = digital.crc32_async_bb(False)
        self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
            (pld_cons.points()), pld_cons.dimensionality())
        self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
            (hdr_cons.points()), hdr_cons.dimensionality())
        self.digital_burst_shaper_xx_0 = digital.burst_shaper_cc(
            (firdes.window(firdes.WIN_HANN, b_ntaps, 0)), 10, 20, True,
            "packet_len")
        self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
            gr.sizeof_gr_complex * 1, "packet_len", 0)
        self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(
            gr.sizeof_gr_complex * 1, "packet_len", sps)
        self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_SERVER", '127.0.0.1',
                                                     '52001', 10000, False)
        self.blocks_repack_bits_bb_2 = blocks.repack_bits_bb(
            8, 1, "packet_len", False, gr.GR_MSB_FIRST)
        self.blocks_repack_bits_bb_1 = blocks.repack_bits_bb(
            8, 1, "packet_len", False, gr.GR_MSB_FIRST)
        self.blocks_pdu_to_tagged_stream_1_0 = blocks.pdu_to_tagged_stream(
            blocks.byte_t, "packet_len")
        self.blocks_pdu_to_tagged_stream_1 = blocks.pdu_to_tagged_stream(
            blocks.byte_t, "packet_len")

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.blocks_socket_pdu_0, 'pdus'),
                         (self.digital_crc32_async_bb_0, 'in'))
        self.msg_connect((self.digital_crc32_async_bb_0, 'out'),
                         (self.digital_protocol_formatter_async_0, 'in'))
        self.msg_connect((self.digital_protocol_formatter_async_0, 'payload'),
                         (self.blocks_pdu_to_tagged_stream_1, 'pdus'))
        self.msg_connect((self.digital_protocol_formatter_async_0, 'header'),
                         (self.blocks_pdu_to_tagged_stream_1_0, 'pdus'))
        self.connect((self.blocks_pdu_to_tagged_stream_1, 0),
                     (self.blocks_repack_bits_bb_2, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_1_0, 0),
                     (self.blocks_repack_bits_bb_1, 0))
        self.connect((self.blocks_repack_bits_bb_1, 0),
                     (self.digital_map_bb_0, 0))
        self.connect((self.blocks_repack_bits_bb_2, 0),
                     (self.digital_map_bb_0_0, 0))
        self.connect((self.blocks_tagged_stream_multiply_length_0, 0),
                     (self.low_pass_filter_0, 0))
        self.connect((self.blocks_tagged_stream_mux_0, 0),
                     (self.digital_burst_shaper_xx_0, 0))
        self.connect((self.digital_burst_shaper_xx_0, 0),
                     (self.pfb_arb_resampler_xxx_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0, 0),
                     (self.blocks_tagged_stream_mux_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0_0, 0),
                     (self.blocks_tagged_stream_mux_0, 1))
        self.connect((self.digital_diff_encoder_bb_0_0, 0),
                     (self.digital_chunks_to_symbols_xx_0_0, 0))
        self.connect((self.digital_map_bb_0, 0),
                     (self.digital_chunks_to_symbols_xx_0, 0))
        self.connect((self.digital_map_bb_0_0, 0),
                     (self.digital_diff_encoder_bb_0_0, 0))
        self.connect((self.low_pass_filter_0, 0), (self.uhd_usrp_sink_0, 0))
        self.connect((self.pfb_arb_resampler_xxx_0, 0),
                     (self.blocks_tagged_stream_multiply_length_0, 0))
Пример #8
0
    def __init__(self):
        gr.top_block.__init__(self, "Top Block")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Top Block")
        qtgui.util.check_set_qss()
        try:
            self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
        except:
            pass
        self.top_scroll_layout = Qt.QVBoxLayout()
        self.setLayout(self.top_scroll_layout)
        self.top_scroll = Qt.QScrollArea()
        self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
        self.top_scroll_layout.addWidget(self.top_scroll)
        self.top_scroll.setWidgetResizable(True)
        self.top_widget = Qt.QWidget()
        self.top_scroll.setWidget(self.top_widget)
        self.top_layout = Qt.QVBoxLayout(self.top_widget)
        self.top_grid_layout = Qt.QGridLayout()
        self.top_layout.addLayout(self.top_grid_layout)

        self.settings = Qt.QSettings("GNU Radio", "top_block")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 32000

        ##################################################
        # Blocks
        ##################################################
        self.qtgui_time_sink_x_0_0 = qtgui.time_sink_c(
            512,  #size
            1,  #samp_rate
            'Without Phase Symbols',  #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(-1.5, 1.5)

        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, 0.0,
                                                    0, 0, 'packet_len')
        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, 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_time_sink_x_0 = qtgui.time_sink_c(
            512,  #size
            1,  #samp_rate
            'With Phasing Symbols',  #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(-1.5, 1.5)

        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, 'packet_len')
        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 False:
            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:
                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)
        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.digital_burst_shaper_xx_0_0 = digital.burst_shaper_cc(
            (firdes.window(firdes.WIN_HANN, 50, 0)), 0, 0, False, 'packet_len')
        self.digital_burst_shaper_xx_0 = digital.burst_shaper_cc(
            (firdes.window(firdes.WIN_HANN, 50, 10)), 0, 0, True, 'packet_len')
        self.blocks_vector_source_x_0 = blocks.vector_source_c(
            [1, 1, 1, 1, 1, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1], True, 1,
            [])
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
                                                 samp_rate, True)
        self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
            gr.sizeof_gr_complex, 1, 16 * 10, "packet_len")

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_stream_to_tagged_stream_0, 0),
                     (self.digital_burst_shaper_xx_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_0, 0),
                     (self.digital_burst_shaper_xx_0_0, 0))
        self.connect((self.blocks_throttle_0, 0),
                     (self.blocks_stream_to_tagged_stream_0, 0))
        self.connect((self.blocks_vector_source_x_0, 0),
                     (self.blocks_throttle_0, 0))
        self.connect((self.digital_burst_shaper_xx_0, 0),
                     (self.qtgui_time_sink_x_0, 0))
        self.connect((self.digital_burst_shaper_xx_0_0, 0),
                     (self.qtgui_time_sink_x_0_0, 0))
Пример #9
0
    def __init__(self, phy_args, phy_sample_rate, phy_rx_gain, phy_tx_gain,
                 phy_ppm, phy_rx_antenna, phy_tx_antenna, phy_freq_offset,
                 trx_bind_addr, trx_remote_addr, trx_base_port):

        print("[i] Init %s Radio interface (L:%s:%u <-> R:%s:%u)" %
              (self, trx_bind_addr, trx_base_port + 2, trx_remote_addr,
               trx_base_port + 102))

        # PHY specific variables
        self.sample_rate = phy_sample_rate
        self.rx_gain = phy_rx_gain
        self.tx_gain = phy_tx_gain
        self.ppm = phy_ppm
        self.freq_offset = phy_freq_offset

        self.phy_args = phy_args
        self.rx_antenna = phy_rx_antenna
        self.tx_antenna = phy_tx_antenna

        gr.top_block.__init__(self, "GR-GSM TRX")

        # TRX Burst Interface
        self.trx_burst_if = grgsm.trx_burst_if(trx_bind_addr, trx_remote_addr,
                                               str(trx_base_port))

        # RX path definition
        self.phy_init_source()

        self.msg_to_tag_src = grgsm.msg_to_tag()

        self.rotator_src = grgsm.controlled_rotator_cc(0.0)

        self.lpf = filter.fir_filter_ccf(
            1,
            firdes.low_pass(1, phy_sample_rate, 125e3, 5e3, firdes.WIN_HAMMING,
                            6.76))

        self.gsm_receiver = grgsm.receiver(self.osr, ([0]), ([]))

        self.ts_filter = grgsm.burst_timeslot_filter(0)
        self.ts_filter.set_policy(grgsm.FILTER_POLICY_DROP_ALL)

        # Connections
        self.connect((self._phy_src, 0), (self.msg_to_tag_src, 0))

        self.connect((self.msg_to_tag_src, 0), (self.rotator_src, 0))

        self.connect((self.rotator_src, 0), (self.lpf, 0))

        self.connect((self.lpf, 0), (self.gsm_receiver, 0))

        self.msg_connect((self.gsm_receiver, 'C0'), (self.ts_filter, 'in'))

        self.msg_connect((self.ts_filter, 'out'),
                         (self.trx_burst_if, 'bursts'))

        # TX Path Definition
        self.phy_init_sink()

        self.tx_time_setter = grgsm.txtime_setter(
            0xffffffff, 0, 0, 0, 0, 0,
            self.phy_proc_delay + self.GSM_UL_DL_SHIFT_uS * 1e-6)

        self.tx_burst_proc = grgsm.preprocess_tx_burst()

        self.pdu_to_tagged_stream = blocks.pdu_to_tagged_stream(
            blocks.byte_t, 'packet_len')

        self.gmsk_mod = grgsm.gsm_gmsk_mod(BT=0.3,
                                           pulse_duration=4,
                                           sps=self.osr)

        self.burst_shaper = digital.burst_shaper_cc(
            (firdes.window(firdes.WIN_HANN, 16, 0)), 0, 20, False,
            "packet_len")

        self.msg_to_tag_sink = grgsm.msg_to_tag()

        self.rotator_sink = grgsm.controlled_rotator_cc(0.0)

        # Connections
        self.msg_connect((self.trx_burst_if, 'bursts'),
                         (self.tx_time_setter, 'bursts_in'))

        self.msg_connect((self.tx_time_setter, 'bursts_out'),
                         (self.tx_burst_proc, 'bursts_in'))

        self.msg_connect((self.tx_burst_proc, 'bursts_out'),
                         (self.pdu_to_tagged_stream, 'pdus'))

        self.connect((self.pdu_to_tagged_stream, 0), (self.gmsk_mod, 0))

        self.connect((self.gmsk_mod, 0), (self.burst_shaper, 0))

        self.connect((self.burst_shaper, 0), (self.msg_to_tag_sink, 0))

        self.connect((self.msg_to_tag_sink, 0), (self.rotator_sink, 0))

        self.connect((self.rotator_sink, 0), (self._phy_sink, 0))

        # RX & TX synchronization
        self.bt_filter = grgsm.burst_type_filter([3])
        self.burst_to_fn_time = grgsm.burst_to_fn_time()

        # Connections
        self.msg_connect((self.gsm_receiver, 'C0'),
                         (self.bt_filter, 'bursts_in'))

        self.msg_connect((self.bt_filter, 'bursts_out'),
                         (self.burst_to_fn_time, 'bursts_in'))

        self.msg_connect((self.burst_to_fn_time, 'fn_time_out'),
                         (self.tx_time_setter, 'fn_time'))

        # AFC (Automatic Frequency Correction)
        # NOTE: dummy frequency is used during init
        self.gsm_clck_ctrl = grgsm.clock_offset_control(self.DUMMY_FREQ,
                                                        phy_sample_rate,
                                                        osr=self.osr)

        self.dict_toggle_sign = dict_toggle_sign()

        # Connections
        self.msg_connect((self.gsm_receiver, 'measurements'),
                         (self.gsm_clck_ctrl, 'measurements'))

        self.msg_connect((self.gsm_clck_ctrl, 'ctrl'),
                         (self.msg_to_tag_src, 'msg'))

        self.msg_connect((self.gsm_clck_ctrl, 'ctrl'),
                         (self.dict_toggle_sign, 'dict_in'))

        self.msg_connect((self.dict_toggle_sign, 'dict_out'),
                         (self.msg_to_tag_sink, 'msg'))
Пример #10
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.tx_rrc_taps = tx_rrc_taps = firdes.root_raised_cosine(
            nfilts, nfilts, 1.0, eb, 5 * sps * nfilts)

        self.taps_per_filt = taps_per_filt = len(tx_rrc_taps) / nfilts
        self.rate = rate = 2
        self.polys = polys = [109, 79]
        self.k = k = 7
        self.variable_qtgui_range_0_1 = variable_qtgui_range_0_1 = 37
        self.variable_qtgui_range_0 = variable_qtgui_range_0 = 50
        self.time_offset = time_offset = 1.0
        self.samp_rate = samp_rate = 421052

        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.cc_encoder_make(
            (440 * 8), k, rate, (polys), 0, fec.CC_TERMINATED, True)

        self.pld_dec = pld_dec = fec.cc_decoder.make(
            (440 * 8), k, rate, (polys), 0, -1, fec.CC_TERMINATED, True)

        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.frequencia_usrp = frequencia_usrp = 484e6
        self.freq_offset = freq_offset = 0
        self.filt_delay = filt_delay = 1 + (taps_per_filt - 1) / 2
        self.MCR = MCR = "master_clock_rate=32e6"

        ##################################################
        # 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, 5, 1, 1)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(5, 6):
            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, 3, 1, 1)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(3, 4):
            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, 4, 1, 1)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(4, 5):
            self.top_grid_layout.setColumnStretch(c, 1)
        self._variable_qtgui_range_0_1_range = Range(0, 73, 1, 37, 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.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, 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_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_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, 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_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, 2, 4, 1,
                                       1)
        for r in range(2, 3):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(4, 5):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.qtgui_const_sink_x_0_0_0_1 = qtgui.const_sink_c(
            1024,  #size
            "RX Const",  #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,
                                       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_0 = qtgui.const_sink_c(
            1024,  #size
            "TX Const",  #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_0_0 = qtgui.const_sink_c(
            1024,  #size
            "RX Treated",  #name
            1  #number of inputs
        )
        self.qtgui_const_sink_x_0_0_0.set_update_time(0.10)
        self.qtgui_const_sink_x_0_0_0.set_y_axis(-2, 2)
        self.qtgui_const_sink_x_0_0_0.set_x_axis(-2, 2)
        self.qtgui_const_sink_x_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.enable_autoscale(False)
        self.qtgui_const_sink_x_0_0_0.enable_grid(False)
        self.qtgui_const_sink_x_0_0_0.enable_axis_labels(True)

        if not True:
            self.qtgui_const_sink_x_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.set_line_label(
                    i, "Data {0}".format(i))
            else:
                self.qtgui_const_sink_x_0_0_0.set_line_label(i, labels[i])
            self.qtgui_const_sink_x_0_0_0.set_line_width(i, widths[i])
            self.qtgui_const_sink_x_0_0_0.set_line_color(i, colors[i])
            self.qtgui_const_sink_x_0_0_0.set_line_style(i, styles[i])
            self.qtgui_const_sink_x_0_0_0.set_line_marker(i, markers[i])
            self.qtgui_const_sink_x_0_0_0.set_line_alpha(i, alphas[i])

        self._qtgui_const_sink_x_0_0_0_win = sip.wrapinstance(
            self.qtgui_const_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
        self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_0_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.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.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 = digital.pfb_clock_sync_ccf(
            sps, 6.28 / 400.0, (rx_rrc_taps), nfilts, nfilts / 2, 1.5, 1)
        self.digital_map_bb_1_0 = digital.map_bb((pld_const.pre_diff_code()))
        self.digital_map_bb_0_0_0_0_0 = digital.map_bb(([-1, 1]))
        self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(
            6.28 / 200.0, 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_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
            (pld_const.points()), 1)
        self.digital_burst_shaper_xx_0 = digital.burst_shaper_cc(
            (firdes.window(firdes.WIN_HANN, 10, 0)), 0, filt_delay, True,
            'packet_len')
        (self.digital_burst_shaper_xx_0).set_block_alias("burst_shaper0")
        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_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(
            gr.sizeof_gr_complex * 1, 'packet_len', sps)
        self.blocks_stream_to_tagged_stream_0_0_0 = blocks.stream_to_tagged_stream(
            gr.sizeof_char, 1, 992, "packet_len")
        self.blocks_stream_mux_0_1_0 = blocks.stream_mux(
            gr.sizeof_char * 1, (96, 896))
        self.blocks_stream_mux_0_0 = blocks.stream_mux(gr.sizeof_char * 1,
                                                       (892, 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_0 = blocks.repack_bits_bb(
            1, 2, "packet_len", 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_1 = blocks.multiply_const_vcc((0.7, ))
        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, 892, 896, 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, 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_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_1, 0),
                     (self.blocks_throttle_0_0, 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_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, 0),
                     (self.digital_map_bb_1_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_stream_to_tagged_stream_0_0_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_0_0_0, 0),
                     (self.blocks_repack_bits_bb_1_0_0_0, 0))
        self.connect((self.blocks_tagged_stream_multiply_length_0, 0),
                     (self.blocks_multiply_const_vxx_1, 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.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.channels_channel_model_0, 0),
                     (self.qtgui_const_sink_x_0_0_0_1, 0))
        self.connect((self.channels_channel_model_0, 0),
                     (self.qtgui_time_sink_x_1_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_burst_shaper_xx_0, 0),
                     (self.pfb_arb_resampler_xxx_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0_0, 0),
                     (self.digital_burst_shaper_xx_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, 0),
                     (self.digital_constellation_soft_decoder_cf_0_0, 0))
        self.connect((self.digital_costas_loop_cc_0_0, 0),
                     (self.qtgui_const_sink_x_0_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_map_bb_1_0, 0),
                     (self.digital_chunks_to_symbols_xx_0_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
                     (self.digital_costas_loop_cc_0_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))
        self.connect((self.pfb_arb_resampler_xxx_0, 0),
                     (self.blocks_tagged_stream_multiply_length_0, 0))
Пример #11
0
    def __init__(self):
        gr.top_block.__init__(self, "Evolucao")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Evolucao")
        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", "evolucao")
        self.restoreGeometry(self.settings.value("geometry", type=QtCore.QByteArray))


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

        self.pld_const = pld_const = digital.constellation_calcdist((digital.psk_4()[0]), (digital.psk_4()[1]), 4, 1).base()

        self.pld_const.gen_soft_dec_lut(8)
        self.sps = sps = 2
        self.rep = rep = 3
        self.preamble_rep = preamble_rep = [0xe3, 0x8f, 0xc0, 0xfc, 0x7f, 0xc7, 0xe3, 0x81, 0xc0, 0xff, 0x80, 0x38, 0xff, 0xf0, 0x38, 0xe0, 0x0f, 0xc0, 0x03, 0x80, 0x00, 0xff, 0xff, 0xc0]
        self.preamble_dummy = preamble_dummy = [0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc]
        self.nfilts = nfilts = 32
        self.hdr_format = hdr_format = digital.header_format_counter(digital.packet_utils.default_access_code, 3, pld_const.bits_per_symbol())
        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.rate = rate = 2
        self.preamble_select = preamble_select = {1: preamble_dummy, 3: preamble_rep}

        self.hdr_const = hdr_const = digital.constellation_calcdist((digital.psk_2()[0]), (digital.psk_2()[1]), 2, 1).base()

        self.hdr_const.gen_soft_dec_lut(8)


        self.dec_hdr = dec_hdr = fec.repetition_decoder.make(hdr_format.header_nbits(), rep, 0.5)

        self.taps_per_filt = taps_per_filt = len(tx_rrc_taps)/nfilts
        self.rxmod = rxmod = digital.generic_mod(hdr_const, False, sps, True, eb, False, False)
        self.preamble = preamble = preamble_select[int(1.0/dec_hdr.rate())]
        self.polys = polys = [109, 79]
        self.mark_delays = mark_delays = [0, 0, 34, 56, 87, 119]
        self.k = k = 7
        self.time_offset = time_offset = 1.0
        self.sps_0 = sps_0 = 2
        self.samp_rate = samp_rate = 32000

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

        self.noise = noise = 0.0
        self.modulated_sync_word = modulated_sync_word = digital.modulate_vector_bc(rxmod .to_basic_block(), (preamble), ([1]))
        self.mark_delay = mark_delay = mark_delays[sps]
        self.freq_offset = freq_offset = 0
        self.filt_delay = filt_delay = 1+(taps_per_filt-1)/2


        self.enc_hdr = enc_hdr = fec.repetition_encoder_make(8000, rep)



        self.enc = enc = fec.cc_encoder_make(8000, k, rate, (polys), 0, fec.CC_TERMINATED, False)



        self.dec = dec = fec.cc_decoder.make(8000, k, rate, (polys), 0, -1, fec.CC_TERMINATED, False)

        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.tab1 = Qt.QTabWidget()
        self.tab1_widget_0 = Qt.QWidget()
        self.tab1_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab1_widget_0)
        self.tab1_grid_layout_0 = Qt.QGridLayout()
        self.tab1_layout_0.addLayout(self.tab1_grid_layout_0)
        self.tab1.addTab(self.tab1_widget_0, 'Time')
        self.tab1_widget_1 = Qt.QWidget()
        self.tab1_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab1_widget_1)
        self.tab1_grid_layout_1 = Qt.QGridLayout()
        self.tab1_layout_1.addLayout(self.tab1_grid_layout_1)
        self.tab1.addTab(self.tab1_widget_1, 'Freq.')
        self.tab1_widget_2 = Qt.QWidget()
        self.tab1_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab1_widget_2)
        self.tab1_grid_layout_2 = Qt.QGridLayout()
        self.tab1_layout_2.addLayout(self.tab1_grid_layout_2)
        self.tab1.addTab(self.tab1_widget_2, 'Const.')
        self.top_grid_layout.addWidget(self.tab1, 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.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.fec_generic_decoder_0 = fec.decoder(dec_hdr, gr.sizeof_float, gr.sizeof_char)
        self.fec_async_encoder_0_0 = fec.async_encoder(enc, True, False, False, 1500)
        self.fec_async_encoder_0 = fec.async_encoder(enc, True, False, False, 1500)
        self.fec_async_decoder_0 = fec.async_decoder(dec_hdr, True, False, 1500*8)
        self.digital_protocol_parser_b_0 = digital.protocol_parser_b(hdr_format)
        self.digital_protocol_formatter_async_0 = digital.protocol_formatter_async(hdr_format)
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 6.28/400.0, (rx_rrc_taps), nfilts, nfilts/2, 1.5, 1)
        self.digital_map_bb_1_0 = digital.map_bb((pld_const.pre_diff_code()))
        self.digital_map_bb_1 = digital.map_bb((hdr_const.pre_diff_code()))
        self.digital_header_payload_demux_0 = digital.header_payload_demux(
        	  (hdr_format.header_nbits() * int(1.0/dec_hdr.rate())) /  hdr_const.bits_per_symbol(),
        	  1,
        	  0,
        	  "payload symbols",
        	  "time_est",
        	  True,
        	  gr.sizeof_gr_complex,
        	  "rx_time",
                  1,
                  "",
                  0,
            )
        self.digital_crc32_async_bb_1 = digital.crc32_async_bb(False)
        self.digital_crc32_async_bb_0 = digital.crc32_async_bb(True)
        self.digital_costas_loop_cc_0_0_0 = digital.costas_loop_cc(6.28/200.0, pld_const.arity(), False)
        self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(6.28/200.0, hdr_const.arity(), False)
        self.digital_corr_est_cc_0 = digital.corr_est_cc((modulated_sync_word), sps, mark_delay, 0.999)
        self.digital_constellation_soft_decoder_cf_0_0 = digital.constellation_soft_decoder_cf(hdr_const)
        self.digital_constellation_soft_decoder_cf_0 = digital.constellation_soft_decoder_cf(pld_const)
        self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc((pld_const.points()), 1)
        self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((hdr_const.points()), 1)
        self.digital_burst_shaper_xx_0 = digital.burst_shaper_cc((firdes.window(firdes.WIN_HANN, 20, 0)), 0, filt_delay, True, 'packet_len')
        (self.digital_burst_shaper_xx_0).set_block_alias("burst_shaper0")
        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=True
        )
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
        self.blocks_tagged_stream_to_pdu_0_0 = blocks.tagged_stream_to_pdu(blocks.float_t, "payload symbols")
        self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, 'pacote')
        self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, 'packet_len', 0)
        self.blocks_tagged_stream_multiply_length_0_0 = blocks.tagged_stream_multiply_length(gr.sizeof_float*1, "payload symbols", pld_const.bits_per_symbol())
        self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(gr.sizeof_gr_complex*1, 'packet_len', sps)
        self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 100, 'pacote')
        self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(8, pld_const.bits_per_symbol(), 'packet_len', False, gr.GR_MSB_FIRST)
        self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, hdr_const.bits_per_symbol(), 'packet_len', False, gr.GR_MSB_FIRST)
        self.blocks_pdu_to_tagged_stream_1 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
        self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
        self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((amp, ))
        self.blocks_multiply_by_tag_value_cc_0 = blocks.multiply_by_tag_value_cc("amp_est", 1)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/andre/Desktop/transmit_maior.txt', True)
        self.blocks_file_source_0.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)



        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.digital_crc32_async_bb_1, 'in'))
        self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0, 'pdus'), (self.fec_async_decoder_0, 'in'))
        self.msg_connect((self.digital_crc32_async_bb_0, 'out'), (self.blocks_pdu_to_tagged_stream_1, 'pdus'))
        self.msg_connect((self.digital_crc32_async_bb_1, 'out'), (self.fec_async_encoder_0, 'in'))
        self.msg_connect((self.digital_protocol_formatter_async_0, 'payload'), (self.blocks_pdu_to_tagged_stream_0, 'pdus'))
        self.msg_connect((self.digital_protocol_formatter_async_0, 'header'), (self.fec_async_encoder_0_0, 'in'))
        self.msg_connect((self.digital_protocol_parser_b_0, 'info'), (self.digital_header_payload_demux_0, 'header_data'))
        self.msg_connect((self.fec_async_decoder_0, 'out'), (self.digital_crc32_async_bb_0, 'in'))
        self.msg_connect((self.fec_async_encoder_0, 'out'), (self.digital_protocol_formatter_async_0, 'in'))
        self.msg_connect((self.fec_async_encoder_0_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
        self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))
        self.connect((self.blocks_multiply_by_tag_value_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.digital_corr_est_cc_0, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_repack_bits_bb_0_0, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.blocks_repack_bits_bb_0, 0))
        self.connect((self.blocks_pdu_to_tagged_stream_1, 0), (self.blocks_file_sink_0_0_0, 0))
        self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_map_bb_1, 0))
        self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_map_bb_1_0, 0))
        self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0))
        self.connect((self.blocks_tagged_stream_multiply_length_0, 0), (self.channels_channel_model_0, 0))
        self.connect((self.blocks_tagged_stream_multiply_length_0_0, 0), (self.blocks_tagged_stream_to_pdu_0_0, 0))
        self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_burst_shaper_xx_0, 0))
        self.connect((self.blocks_throttle_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
        self.connect((self.channels_channel_model_0, 0), (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.digital_burst_shaper_xx_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tagged_stream_mux_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_tagged_stream_mux_0, 1))
        self.connect((self.digital_constellation_soft_decoder_cf_0, 0), (self.blocks_tagged_stream_multiply_length_0_0, 0))
        self.connect((self.digital_constellation_soft_decoder_cf_0_0, 0), (self.fec_generic_decoder_0, 0))
        self.connect((self.digital_corr_est_cc_0, 0), (self.blocks_multiply_by_tag_value_cc_0, 0))
        self.connect((self.digital_costas_loop_cc_0_0, 0), (self.digital_constellation_soft_decoder_cf_0_0, 0))
        self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.digital_constellation_soft_decoder_cf_0, 0))
        self.connect((self.digital_header_payload_demux_0, 0), (self.digital_costas_loop_cc_0_0, 0))
        self.connect((self.digital_header_payload_demux_0, 1), (self.digital_costas_loop_cc_0_0_0, 0))
        self.connect((self.digital_map_bb_1, 0), (self.digital_chunks_to_symbols_xx_0, 0))
        self.connect((self.digital_map_bb_1_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_header_payload_demux_0, 0))
        self.connect((self.fec_generic_decoder_0, 0), (self.digital_protocol_parser_b_0, 0))
        self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.blocks_tagged_stream_multiply_length_0, 0))