Exemple #1
0
 def test001_module_load(self):
     data = (8, 24, 40, 56, 72, 88, 104, 120, 136, 152, 168, 184, 200, 216,
             232, 248, 264, 280, 296, 312, 328, 344)
     src = blocks.vector_source_s(data)
     enc = vocoder.alaw_encode_sb()
     dec = vocoder.alaw_decode_bs()
     snk = blocks.vector_sink_s()
     self.tb.connect(src, enc, dec, snk)
     self.tb.run()
     actual_result = snk.data()
     self.assertEqual(data, actual_result)
 def test001_module_load (self):
     data = (8,24,40,56,72,88,104,120,136,152,168,184,
             200,216,232,248,264,280,296,312,328,344)
     src = blocks.vector_source_s(data)
     enc = vocoder.alaw_encode_sb()
     dec = vocoder.alaw_decode_bs()
     snk = blocks.vector_sink_s()
     self.tb.connect(src, enc, dec, snk)
     self.tb.run()
     actual_result = snk.data()
     self.assertEqual(data, actual_result)
Exemple #3
0
def build_graph():
    tb = gr.top_block()
    src = audio.source(8000)
    src_scale = blocks.multiply_const_ff(32767)
    f2s = blocks.float_to_short()
    enc = vocoder.alaw_encode_sb()
    dec = vocoder.alaw_decode_bs()
    s2f = blocks.short_to_float()
    sink_scale = blocks.multiply_const_ff(1.0/32767.)
    sink = audio.sink(8000)
    tb.connect(src, src_scale, f2s, enc, dec, s2f, sink_scale, sink)
    return tb
def build_graph():
    tb = gr.top_block()
    src = audio.source(8000)
    src_scale = blocks.multiply_const_ff(32767)
    f2s = blocks.float_to_short()
    enc = vocoder.alaw_encode_sb()
    dec = vocoder.alaw_decode_bs()
    s2f = blocks.short_to_float()
    sink_scale = blocks.multiply_const_ff(1.0 / 32767.)
    sink = audio.sink(8000)
    tb.connect(src, src_scale, f2s, enc, dec, s2f, sink_scale, sink)
    return tb
Exemple #5
0
    def __init__(self,
                 parameter_0="addr=192.168.10.2",
                 parameter_1="addr=192.168.10.3"):
        gr.top_block.__init__(self, "BPSK_radios")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("BPSK_radios")
        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", "BPSK_radios")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Parameters
        ##################################################
        self.parameter_0 = parameter_0
        self.parameter_1 = parameter_1

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.nfilts = nfilts = 32
        self.variable_qtgui_range_0 = variable_qtgui_range_0 = 630e-3
        self.samp_rate = samp_rate = 32000
        self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
            nfilts, nfilts, 1.0 / float(sps), 0.35, 45 * nfilts)
        self.freq = freq = 2e9
        self.bw = bw = 5e6
        self.Tx_Gain = Tx_Gain = 3
        self.Rx_Gain = Rx_Gain = 30

        ##################################################
        # Blocks
        ##################################################
        self.vocoder_alaw_encode_sb_0 = vocoder.alaw_encode_sb()
        self.vocoder_alaw_decode_bs_0 = vocoder.alaw_decode_bs()
        self._variable_qtgui_range_0_range = Range(0, 1, 1, 630e-3, 200)
        self._variable_qtgui_range_0_win = RangeWidget(
            self._variable_qtgui_range_0_range,
            self.set_variable_qtgui_range_0, "variable_qtgui_range_0",
            "counter_slider", float)
        self.top_layout.addWidget(self._variable_qtgui_range_0_win)
        self.uhd_usrp_source_0 = uhd.usrp_source(
            ",".join(("addr=192.168.10.3", "")),
            uhd.stream_args(
                cpu_format="fc32",
                channels=range(1),
            ),
        )
        self.uhd_usrp_source_0.set_samp_rate(samp_rate * 10)
        self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()),
                                            uhd.ALL_MBOARDS)
        self.uhd_usrp_source_0.set_center_freq(freq, 0)
        self.uhd_usrp_source_0.set_gain(Rx_Gain, 0)
        self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
        self.uhd_usrp_source_0.set_bandwidth(bw / 5, 0)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
            ",".join(("addr=192.168.10.2", "")),
            uhd.stream_args(
                cpu_format="fc32",
                channels=range(1),
            ),
        )
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate * 10)
        self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()),
                                          uhd.ALL_MBOARDS)
        self.uhd_usrp_sink_0.set_center_freq(freq, 0)
        self.uhd_usrp_sink_0.set_gain(Tx_Gain, 0)
        self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
        self.uhd_usrp_sink_0.set_bandwidth(bw / 5, 0)
        self.qtgui_sink_x_1 = qtgui.sink_f(
            1024,  #fftsize
            firdes.WIN_BLACKMAN_hARRIS,  #wintype
            freq,  #fc
            samp_rate,  #bw
            "Recieved signal",  #name
            True,  #plotfreq
            True,  #plotwaterfall
            True,  #plottime
            True,  #plotconst
        )
        self.qtgui_sink_x_1.set_update_time(1.0 / 5)
        self._qtgui_sink_x_1_win = sip.wrapinstance(
            self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_sink_x_1_win)

        self.qtgui_sink_x_1.enable_rf_freq(False)

        self.qtgui_sink_x_0 = qtgui.sink_c(
            1024,  #fftsize
            firdes.WIN_KAISER,  #wintype
            freq,  #fc
            samp_rate,  #bw
            "Modulator output",  #name
            True,  #plotfreq
            True,  #plotwaterfall
            True,  #plottime
            True,  #plotconst
        )
        self.qtgui_sink_x_0.set_update_time(1.0 / 10)
        self._qtgui_sink_x_0_win = sip.wrapinstance(
            self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_sink_x_0_win)

        self.qtgui_sink_x_0.enable_rf_freq(True)

        self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
                                                     qtgui.NUM_GRAPH_HORIZ, 1)
        self.qtgui_number_sink_0.set_update_time(0.10)
        self.qtgui_number_sink_0.set_title("BER")

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

        self.qtgui_number_sink_0.enable_autoscale(False)
        self._qtgui_number_sink_0_win = sip.wrapinstance(
            self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_number_sink_0_win)
        self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(
            8, (filter.firdes.root_raised_cosine(8, 8, 1.0, 0.5, 22)))
        self.interp_fir_filter_xxx_0.declare_sample_delay(0)
        self.fec_ber_bf_0 = fec.ber_bf(False, 100, -7.0)
        self.digital_simple_framer_0 = digital.simple_framer(20)
        self.digital_simple_correlator_0 = digital.simple_correlator(20)
        self.digital_psk_mod_0 = digital.psk.psk_mod(
            constellation_points=2,
            mod_code="gray",
            differential=False,
            samples_per_symbol=4,
            excess_bw=0.35,
            verbose=False,
            log=False,
        )
        self.digital_psk_demod_0 = digital.psk.psk_demod(
            constellation_points=2,
            differential=False,
            samples_per_symbol=4,
            excess_bw=0.35,
            phase_bw=6.28 / 100.0,
            timing_bw=6.28 / 100.0,
            mod_code="gray",
            verbose=False,
            log=False,
        )
        self.blocks_wavfile_source_0 = blocks.wavfile_source(
            "/home/ettus/Música/bensound-photoalbum.wav", True)
        self.blocks_wavfile_sink_0 = blocks.wavfile_sink(
            "testBPSK_sonido.wav", 1, 44100, 16)
        self.blocks_short_to_float_0 = blocks.short_to_float(1, 1)
        self.blocks_multiply_const_vxx_4 = blocks.multiply_const_vcc((2, ))
        self.blocks_multiply_const_vxx_3 = blocks.multiply_const_vff(
            (30.5176e-6, ))
        self.blocks_multiply_const_vxx_2 = blocks.multiply_const_vff((2, ))
        self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc(
            (630e-3, ))
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
            (32.768e3, ))
        self.blocks_float_to_short_0 = blocks.float_to_short(1, 1)
        self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
        self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
        self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
        self.audio_sink_0 = audio.sink(44100, "", True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_add_const_vxx_0, 0),
                     (self.interp_fir_filter_xxx_0, 0))
        self.connect((self.blocks_char_to_float_0, 0),
                     (self.blocks_multiply_const_vxx_2, 0))
        self.connect((self.blocks_complex_to_real_0, 0),
                     (self.qtgui_sink_x_1, 0))
        self.connect((self.blocks_float_to_short_0, 0),
                     (self.vocoder_alaw_encode_sb_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0),
                     (self.blocks_float_to_short_0, 0))
        self.connect((self.blocks_multiply_const_vxx_1, 0),
                     (self.qtgui_sink_x_0, 0))
        self.connect((self.blocks_multiply_const_vxx_1, 0),
                     (self.uhd_usrp_sink_0, 0))
        self.connect((self.blocks_multiply_const_vxx_2, 0),
                     (self.blocks_add_const_vxx_0, 0))
        self.connect((self.blocks_multiply_const_vxx_3, 0),
                     (self.audio_sink_0, 0))
        self.connect((self.blocks_multiply_const_vxx_3, 0),
                     (self.blocks_wavfile_sink_0, 0))
        self.connect((self.blocks_multiply_const_vxx_4, 0),
                     (self.blocks_complex_to_real_0, 0))
        self.connect((self.blocks_multiply_const_vxx_4, 0),
                     (self.digital_psk_demod_0, 0))
        self.connect((self.blocks_short_to_float_0, 0),
                     (self.blocks_multiply_const_vxx_3, 0))
        self.connect((self.blocks_wavfile_source_0, 0),
                     (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.digital_psk_demod_0, 0),
                     (self.blocks_char_to_float_0, 0))
        self.connect((self.digital_psk_demod_0, 0), (self.fec_ber_bf_0, 1))
        self.connect((self.digital_psk_mod_0, 0),
                     (self.blocks_multiply_const_vxx_1, 0))
        self.connect((self.digital_simple_correlator_0, 0),
                     (self.vocoder_alaw_decode_bs_0, 0))
        self.connect((self.digital_simple_framer_0, 0),
                     (self.digital_psk_mod_0, 0))
        self.connect((self.digital_simple_framer_0, 0), (self.fec_ber_bf_0, 0))
        self.connect((self.fec_ber_bf_0, 0), (self.qtgui_number_sink_0, 0))
        self.connect((self.interp_fir_filter_xxx_0, 0),
                     (self.digital_simple_correlator_0, 0))
        self.connect((self.uhd_usrp_source_0, 0),
                     (self.blocks_multiply_const_vxx_4, 0))
        self.connect((self.vocoder_alaw_decode_bs_0, 0),
                     (self.blocks_short_to_float_0, 0))
        self.connect((self.vocoder_alaw_encode_sb_0, 0),
                     (self.digital_simple_framer_0, 0))
Exemple #6
0
    def __init__(self):
        gr.top_block.__init__(self, "BPSK simulation")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("BPSK simulation")
        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", "BPSK")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Variables
        ##################################################
        self.variable_qtgui_range_0 = variable_qtgui_range_0 = 630e-3
        self.samp_rate = samp_rate = 256e3

        ##################################################
        # Blocks
        ##################################################
        self.vocoder_alaw_encode_sb_0 = vocoder.alaw_encode_sb()
        self.vocoder_alaw_decode_bs_0 = vocoder.alaw_decode_bs()
        self._variable_qtgui_range_0_range = Range(0, 1, 1, 630e-3, 200)
        self._variable_qtgui_range_0_win = RangeWidget(self._variable_qtgui_range_0_range, self.set_variable_qtgui_range_0, "variable_qtgui_range_0", "counter_slider", float)
        self.top_layout.addWidget(self._variable_qtgui_range_0_win)
        self.qtgui_sink_x_1 = qtgui.sink_c(
        	1024, #fftsize
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	0, #fc
        	samp_rate, #bw
        	"Channel output", #name
        	True, #plotfreq
        	True, #plotwaterfall
        	True, #plottime
        	True, #plotconst
        )
        self.qtgui_sink_x_1.set_update_time(1.0/10)
        self._qtgui_sink_x_1_win = sip.wrapinstance(self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_sink_x_1_win)
        
        self.qtgui_sink_x_1.enable_rf_freq(False)
        
        
          
        self.qtgui_sink_x_0 = qtgui.sink_c(
        	1024, #fftsize
        	firdes.WIN_KAISER, #wintype
        	0, #fc
        	samp_rate, #bw
        	"Modulator output", #name
        	True, #plotfreq
        	True, #plotwaterfall
        	True, #plottime
        	True, #plotconst
        )
        self.qtgui_sink_x_0.set_update_time(1.0/10)
        self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_sink_x_0_win)
        
        self.qtgui_sink_x_0.enable_rf_freq(True)
        
        
          
        self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(8, (filter.firdes.root_raised_cosine(8,8,1.0,0.5,21)))
        self.interp_fir_filter_xxx_0.declare_sample_delay(0)
        self.epy_block_0 = epy_block_0.blk(example_param=1.0)
        self.digital_simple_framer_0 = digital.simple_framer(20)
        self.digital_simple_correlator_0 = digital.simple_correlator(20)
        self.digital_psk_mod_0 = digital.psk.psk_mod(
          constellation_points=2,
          mod_code="gray",
          differential=False,
          samples_per_symbol=4,
          excess_bw=0.35,
          verbose=False,
          log=False,
          )
        self.digital_psk_demod_0 = digital.psk.psk_demod(
          constellation_points=2,
          differential=False,
          samples_per_symbol=4,
          excess_bw=0.35,
          phase_bw=6.28/100.0,
          timing_bw=6.28/100.0,
          mod_code="gray",
          verbose=False,
          log=False,
          )
        self.channels_channel_model_0 = channels.channel_model(
        	noise_voltage=0,
        	frequency_offset=0,
        	epsilon=1,
        	taps=(1.0 + 1.0j, ),
        	noise_seed=0,
        	block_tags=False
        )
        self.blocks_wavfile_source_0 = blocks.wavfile_source("/home/ettus/Música/bensound-photoalbum.wav", True)
        self.blocks_short_to_float_0 = blocks.short_to_float(1, 1)
        self.blocks_multiply_const_vxx_3 = blocks.multiply_const_vff((30.5176e-6, ))
        self.blocks_multiply_const_vxx_2 = blocks.multiply_const_vff((2, ))
        self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((630e-3, ))
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((32.768e3, ))
        self.blocks_float_to_short_0 = blocks.float_to_short(1, 1)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, "BPSK_Channel.txt", False)
        self.blocks_file_sink_0.set_unbuffered(False)
        self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
        self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
        self.audio_sink_0 = audio.sink(44100, "", True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_add_const_vxx_0, 0), (self.interp_fir_filter_xxx_0, 0))    
        self.connect((self.blocks_char_to_float_0, 0), (self.blocks_multiply_const_vxx_2, 0))    
        self.connect((self.blocks_float_to_short_0, 0), (self.vocoder_alaw_encode_sb_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_float_to_short_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_1, 0), (self.channels_channel_model_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_sink_x_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_2, 0), (self.blocks_add_const_vxx_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_3, 0), (self.audio_sink_0, 0))    
        self.connect((self.blocks_short_to_float_0, 0), (self.blocks_multiply_const_vxx_3, 0))    
        self.connect((self.blocks_wavfile_source_0, 0), (self.blocks_multiply_const_vxx_0, 0))    
        self.connect((self.channels_channel_model_0, 0), (self.blocks_file_sink_0, 0))    
        self.connect((self.channels_channel_model_0, 0), (self.digital_psk_demod_0, 0))    
        self.connect((self.channels_channel_model_0, 0), (self.qtgui_sink_x_1, 0))    
        self.connect((self.digital_psk_demod_0, 0), (self.blocks_char_to_float_0, 0))    
        self.connect((self.digital_psk_mod_0, 0), (self.blocks_multiply_const_vxx_1, 0))    
        self.connect((self.digital_simple_correlator_0, 0), (self.vocoder_alaw_decode_bs_0, 0))    
        self.connect((self.digital_simple_framer_0, 0), (self.epy_block_0, 0))    
        self.connect((self.epy_block_0, 0), (self.digital_psk_mod_0, 0))    
        self.connect((self.interp_fir_filter_xxx_0, 0), (self.digital_simple_correlator_0, 0))    
        self.connect((self.vocoder_alaw_decode_bs_0, 0), (self.blocks_short_to_float_0, 0))    
        self.connect((self.vocoder_alaw_encode_sb_0, 0), (self.digital_simple_framer_0, 0))