コード例 #1
0
ファイル: acoust_out.py プロジェクト: npgm/acoust
    def __init__(self):
        gr.top_block.__init__(self, "Acoust Out")

        ##################################################
        # Variables
        ##################################################
        self.transistion = transistion = 100
        self.sps = sps = 2
        self.sideband_rx = sideband_rx = 1000
        self.sideband = sideband = 1000
        self.samp_rate = samp_rate = 48000
        self.payload = payload = 20
        self.interpolation = interpolation = 200
        self.fd = fd = 0
        self.carrier = carrier = 13000

        ##################################################
        # Blocks
        ##################################################
        self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
                interpolation=interpolation,
                decimation=1,
                taps=None,
                fractional_bw=None,
        )
        self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, (firdes.band_pass (0.50,samp_rate,carrier-sideband,carrier+sideband,transistion)), -carrier, samp_rate)
        self.digital_gfsk_mod_0 = digital.gfsk_mod(
        	samples_per_symbol=sps,
        	sensitivity=1.0,
        	bt=0.35,
        	verbose=False,
        	log=False,
        )
        self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
        self.blks2_tcp_source_0 = grc_blks2.tcp_source(
        	itemsize=gr.sizeof_char*1,
        	addr="127.0.0.1",
        	port=9000,
        	server=True,
        )
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=sps,
        		bits_per_symbol=1,
        		preamble="",
        		access_code="",
        		pad_for_usrp=False,
        	),
        	payload_length=payload,
        )
        self.audio_sink_0 = audio.sink(48000, "", True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_complex_to_real_0, 0), (self.audio_sink_0, 0))
        self.connect((self.digital_gfsk_mod_0, 0), (self.rational_resampler_xxx_0, 0))
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gfsk_mod_0, 0))
        self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blocks_complex_to_real_0, 0))
        self.connect((self.rational_resampler_xxx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
        self.connect((self.blks2_tcp_source_0, 0), (self.blks2_packet_encoder_0, 0))
コード例 #2
0
ファイル: transmisor.py プロジェクト: elrafadc/RCII
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Transmisor")
        _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 44100
        self.fcmod = fcmod = 0
        self.fc = fc = 0

        ##################################################
        # Blocks
        ##################################################
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	device_addr="",
        	stream_args=uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0.set_time_source("gpsdo", 0)
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(fc, 0)
        self.uhd_usrp_sink_0.set_gain(0, 0)
        self.digital_psk_mod_0 = digital.psk.psk_mod(
          constellation_points=4,
          mod_code="gray",
          differential=True,
          samples_per_symbol=2,
          excess_bw=0.35,
          verbose=False,
          log=False,
          )
        self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
        self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vff((127, ))
        self.blocks_float_to_char_0 = blocks.float_to_char(1, 1)
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=2,
        		bits_per_symbol=1,
        		access_code="",
        		pad_for_usrp=False,
        	),
        	payload_length=0,
        )
        self.audio_source_0 = audio.source(samp_rate, "", True)
        self.analog_sig_source_x_0_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, fcmod, 1, 0)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.blocks_float_to_char_0, 0))
        self.connect((self.blocks_float_to_char_0, 0), (self.blks2_packet_encoder_0, 0))
        self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0, 1))
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_psk_mod_0, 0))
        self.connect((self.digital_psk_mod_0, 0), (self.blocks_multiply_xx_0, 0))
        self.connect((self.audio_source_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
        self.connect((self.blocks_multiply_xx_0, 0), (self.uhd_usrp_sink_0, 0))
コード例 #3
0
ファイル: gfsk_fh.py プロジェクト: CIG-SDR/CIG
    def __init__(self, options):
        gr.top_block.__init__(self)

        # Setup USRP
        self.u = uhd.usrp_sink(options.args, uhd.stream_args('fc32'), "packet_len")
        if(options.spec):
            self.u.set_subdev_spec(options.spec, 0)
        if(options.antenna):
            self.u.set_antenna(options.antenna, 0)
        self.u.set_samp_rate(options.rate)
        # Gain is set in the hopper block
        if options.gain is None:
            g = self.u.get_gain_range()
            options.gain = float(g.start()+g.stop())/2.0
        print "-- Setting gain to {} dB".format(options.gain)
        r = self.u.set_center_freq(options.freq)
        if not r:
            print '[ERROR] Failed to set base frequency.'
            raise SystemExit, 1
        hopper_block = FrequencyHopperSrc(
                options.num_bursts, options.num_channels,
                options.freq_delta, options.freq,
                options.samp_per_burst, 1.0, options.hop_time / 1000.,
                options.post_tuning,
                options.gain,
                options.verbose,
        )

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

        ##################################################
        # Blocks
        ##################################################
#        self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(1, firdes.root_raised_cosine(1, samp_rate, 1, 0.35, 11*samp_rate))

        self.digital_gfsk_mod_0 = digital.gfsk_mod(
        	samples_per_symbol=2,
        	sensitivity=1.0,
        	bt=0.35,
        	verbose=False,
        	log=False,
        )

        self.blocks_vector_source_x_0 = blocks.vector_source_b((1,1,1,1), True, 1, [])
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((.500, ))
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=1,
        		bits_per_symbol=1,
        		preamble="",
        		access_code="11111111",
        		pad_for_usrp=True,
        	),
        	payload_length=0,
        )
    
        self.connect(self.blocks_vector_source_x_0, self.blks2_packet_encoder_0, self.digital_gfsk_mod_0, self.blocks_multiply_const_vxx_0, hopper_block, self.u)
コード例 #4
0
ファイル: top_block.py プロジェクト: CIG-SDR/CIG
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Top Block")
        _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 32e3

        ##################################################
        # Blocks
        ##################################################
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	",".join(("addr=192.168.10.3", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0.set_samp_rate(32e3)
        self.uhd_usrp_sink_0.set_center_freq(2.417e9, 0)
        self.uhd_usrp_sink_0.set_gain(20, 0)
        self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
        self.uhd_usrp_sink_0.set_bandwidth(3e6, 0)
        self.digital_gfsk_mod_0 = digital.gfsk_mod(
        	samples_per_symbol=2,
        	sensitivity=1.0,
        	bt=0.35,
        	verbose=False,
        	log=False,
        )
        self.digital_crc32_bb_0 = digital.crc32_bb(False, "packet_len")
        self.blocks_vector_source_x_0 = blocks.vector_source_b((1,0,1,0), True, 1, [])
        self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 8, "packet_len")
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=1,
        		bits_per_symbol=1,
        		preamble="",
        		access_code="",
        		pad_for_usrp=True,
        	),
        	payload_length=0,
        )
        self.Spread_ds_spreader_0 = Spread.ds_spreader(2, (1, 1, 0, 1), (1, 1, 1))

        ##################################################
        # Connections
        ##################################################
        self.connect((self.Spread_ds_spreader_0, 0), (self.digital_gfsk_mod_0, 0))    
        self.connect((self.blks2_packet_encoder_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))    
        self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0))    
        self.connect((self.blocks_vector_source_x_0, 0), (self.blks2_packet_encoder_0, 0))    
        self.connect((self.digital_crc32_bb_0, 0), (self.Spread_ds_spreader_0, 0))    
        self.connect((self.digital_gfsk_mod_0, 0), (self.uhd_usrp_sink_0, 0))    
コード例 #5
0
ファイル: single_ss.py プロジェクト: antiface/OpERA
    def device_definition(options):
        """
        Definition of the devices used in the program.
        @param options
        """

        tb = OpERAFlow(name="US")

        bits_per_symbol = 2
        modulator = grc_blks2.packet_mod_b(
            digital.ofdm_mod(
                options=grc_blks2.options(
                    modulation="bpsk",
                    fft_length=512,
                    occupied_tones=200,
                    cp_length=128,
                    pad_for_usrp=True,
                    log=None,
                    verbose=None,
                )
            ),
            payload_length=0,
        )

        uhd_source = UHDSourceDummy(modulator=modulator, f=change_status_fun)
        uhd_source.pre_connect(tb)  # Gambi
        the_source = AWGNChannel(bits_per_symbol=bits_per_symbol, component=uhd_source)

        algorithm = None
        if options.sensing == "ed":
            sensing = EnergySSArch(fft_size=1024, mavg_size=1)

            algorithm = EnergyDecision(options.th)
            sink = EnergyDetector(1024, algorithm)
        elif options.sensing == "wfd":
            sensing = WaveformSSArch(fft_size=1024)

            algorithm = WaveformDecision(options.th)
            sink = WaveformDetector(1024, algorithm)
        elif options.sensing == "cfd":
            sensing = CycloSSArch(64, 16, 4)

            from sensing import CycloDecision

            algorithm = CycloDecision(64, 16, 4, options.th)
            sink = CycloDetector(64, 16, 4, algorithm)
        else:
            raise AttributeError

        radio = RadioDevice(name="radio")
        radio.add_arch(source=the_source, arch=sensing, sink=sink, uhd_device=uhd_source, name="sensing")

        tb.add_radio(radio, "radio")

        return tb, radio, algorithm
コード例 #6
0
ファイル: top_block.py プロジェクト: eroen/radiokom
	def __init__(self):
		grc_wxgui.top_block_gui.__init__(self, title="Top Block")
		_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
		self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

		##################################################
		# Variables
		##################################################
		self.samp_rate = samp_rate = 1000

		##################################################
		# Blocks
		##################################################
		self.blks2_ofdm_mod_0 = grc_blks2.packet_mod_b(blks2.ofdm_mod(
				options=grc_blks2.options(
					modulation="bpsk",
					fft_length=1024,
					occupied_tones=256,
					cp_length=512,
					pad_for_usrp=True,
					log=None,
					verbose=None,
				),
			),
			payload_length=0,
		)
		self.gr_float_to_char_0 = gr.float_to_char()
		self.gr_sig_source_x_0 = gr.sig_source_f(samp_rate, gr.GR_SIN_WAVE, 100, 127, 0)
		self.gr_throttle_0 = gr.throttle(gr.sizeof_char*1, samp_rate)
		self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
			self.GetWin(),
			baseband_freq=0,
			y_per_div=10,
			y_divs=10,
			ref_level=50,
			ref_scale=2.0,
			sample_rate=samp_rate*1000,
			fft_size=1024,
			fft_rate=30,
			average=False,
			avg_alpha=None,
			title="FFT Plot",
			peak_hold=False,
		)
		self.Add(self.wxgui_fftsink2_0.win)

		##################################################
		# Connections
		##################################################
		self.connect((self.gr_throttle_0, 0), (self.blks2_ofdm_mod_0, 0))
		self.connect((self.gr_sig_source_x_0, 0), (self.gr_float_to_char_0, 0))
		self.connect((self.gr_float_to_char_0, 0), (self.gr_throttle_0, 0))
		self.connect((self.blks2_ofdm_mod_0, 0), (self.wxgui_fftsink2_0, 0))
コード例 #7
0
ファイル: GMSK_SendMOD.py プロジェクト: alexMathoniere/SRT
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Gmsk Send")
        _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 200e3

        ##################################################
        # Blocks
        ##################################################
        self.zeromq_sub_source_0 = zeromq.sub_source(gr.sizeof_char, 1, "tcp://127.0.0.1:5558", 1000, False)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	",".join(("", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(102.3e6, 0)
        self.uhd_usrp_sink_0.set_gain(75, 0)
        self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
        self.uhd_usrp_sink_0.set_bandwidth(200e3, 0)
        self.digital_gmsk_mod_0 = digital.gmsk_mod(
        	samples_per_symbol=2,
        	bt=0.35,
        	verbose=False,
        	log=False,
        )
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=2,
        		bits_per_symbol=1,
        		preamble="",
        		access_code="",
        		pad_for_usrp=True,
        	),
        	payload_length=19,
        )

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gmsk_mod_0, 0))    
        self.connect((self.digital_gmsk_mod_0, 0), (self.uhd_usrp_sink_0, 0))    
        self.connect((self.zeromq_sub_source_0, 0), (self.blks2_packet_encoder_0, 0))    

	###
    	t = Thread(target=sub, args=(self.change_freq,))
    	t.start()
コード例 #8
0
ファイル: tsha.py プロジェクト: ComputerNetworks-UFRGS/OpERA
    def device_definition(options):
        """
        Definition of the devices used in the program.
        @param options
        """

        tb = OpERAFlow(name='US')
	bits_per_symbol = 2

        modulator = grc_blks2.packet_mod_b(digital.ofdm_mod(
        		options=grc_blks2.options(
        			modulation="bpsk",
        			fft_length=512,
        			occupied_tones=200,
        			cp_length=128,
        			pad_for_usrp=True,
        			log=None,
        			verbose=None,
        		),
        	),
        	payload_length=0,
        )

        uhd_source = UHDSourceDummy(modulator=modulator)
        uhd_source.pre_connect(tb)  # Gambi
        the_source = AWGNChannel(component=uhd_source, bits_per_symbol = bits_per_symbol)

        arch1 = EnergySSArch(fft_size=1024, mavg_size=1)
        algo1 = EnergyDecision(options.th['ed'])

        if options.sensing == "wfd":
            arch2 = WaveformSSArch(fft_size=1024)
            algo2 = WaveformDecision(options.th['wfd'])
        elif options.sensing == 'cfd':
            arch2 = CycloSSArch(64, 16, 4)
	    from sensing import CycloDecision
            algo2 = CycloDecision(64, 16, 4, options.th['cfd'])
	else:
		raise AttributeError

        hier = HierarchicalSSArch(1024, algo1=algo1, algo2=algo2)

        radio = RadioDevice(name="radio")
        radio.add_arch(source=the_source, arch=arch1,   sink=(hier, 0), uhd_device=uhd_source, name='ed')
        radio.add_arch(source=the_source, arch=arch2,   sink=(hier, 1), uhd_device=uhd_source, name='sensing')
        tb.add_radio(radio, "radio")

        return tb, radio, algo1, algo1
コード例 #9
0
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Top Block")
        _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 1e6

        ##################################################
        # Blocks
        ##################################################
        self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + "" )
        self.osmosdr_sink_0.set_sample_rate(samp_rate)
        self.osmosdr_sink_0.set_center_freq(145.6e6, 0)
        self.osmosdr_sink_0.set_freq_corr(0, 0)
        self.osmosdr_sink_0.set_gain(10, 0)
        self.osmosdr_sink_0.set_if_gain(20, 0)
        self.osmosdr_sink_0.set_bb_gain(20, 0)
        self.osmosdr_sink_0.set_antenna("", 0)
        self.osmosdr_sink_0.set_bandwidth(0, 0)
          
        self.digital_gfsk_mod_0 = digital.gfsk_mod(
        	samples_per_symbol=4,
        	sensitivity=1.0,
        	bt=0.35,
        	verbose=False,
        	log=False,
        )
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/david/Projects/telemetrum_sim/teledata.dat", False)
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=2,
        		bits_per_symbol=1,
        		preamble="",
        		access_code="",
        		pad_for_usrp=False,
        	),
        	payload_length=32,
        )

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gfsk_mod_0, 0))
        self.connect((self.blocks_file_source_0, 0), (self.blks2_packet_encoder_0, 0))
        self.connect((self.digital_gfsk_mod_0, 0), (self.osmosdr_sink_0, 0))
コード例 #10
0
	def __init__(self):
		gr.top_block.__init__(self, "Audio Transmitter")

		##################################################
		# Variables
		##################################################
		self.samp_rate = samp_rate = 125000
		self.audio_rate = audio_rate = 8000

		##################################################
		# Blocks
		##################################################
		self.vocoder_cvsd_encode_fb_0 = vocoder.cvsd_encode_fb(2,0.5)
		self.uhd_usrp_sink_0 = uhd.usrp_sink(
			device_addr="",
			stream_args=uhd.stream_args(
				cpu_format="fc32",
				channels=range(1),
			),
		)
		self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
		self.uhd_usrp_sink_0.set_center_freq(915e6, 0)
		self.uhd_usrp_sink_0.set_gain(30, 0)
		self.digital_gmsk_mod_0 = digital.gmsk_mod(
			samples_per_symbol=2,
			bt=0.35,
			verbose=False,
			log=False,
		)
		self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
				samples_per_symbol=2,
				bits_per_symbol=1,
				access_code="",
				pad_for_usrp=True,
			),
			payload_length=0,
		)
		self.audio_source_0 = audio.source(audio_rate, "plughw:0,0", True)

		##################################################
		# Connections
		##################################################
		self.connect((self.vocoder_cvsd_encode_fb_0, 0), (self.blks2_packet_encoder_0, 0))
		self.connect((self.audio_source_0, 0), (self.vocoder_cvsd_encode_fb_0, 0))
		self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gmsk_mod_0, 0))
		self.connect((self.digital_gmsk_mod_0, 0), (self.uhd_usrp_sink_0, 0))
コード例 #11
0
	def __init__(self):
		gr.top_block.__init__(self, "QAM16")
		Qt.QWidget.__init__(self)
		self.setWindowTitle("QAM16")
		self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
		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)


		##################################################
		# Variables
		##################################################
		self.variable_qtgui_range_0 = variable_qtgui_range_0 = 474e6
		self.samp_rate = samp_rate = 44100
		self.Useful_Carriers = Useful_Carriers = 1024
		self.Transmission_Frequency = Transmission_Frequency = 474e6
		self.OFDM_Symbols = OFDM_Symbols = 2048
		self.Guard_Interval = Guard_Interval = 4
		self.Gain = Gain = 20
		
		##################################################
		# My Variables
		self.Packets_Number = 2048
		##################################################


		##################################################
		# My code...
		print(atsc.ATSC_MPEG_PKT_LENGTH);
		print(atsc.MPEG_SYNC_BYTE);
		self.ts = self.make_fake_transport_stream_packet(self.Packets_Number) # make 2048 packets of 188 each one.
		print(len(self.ts))
		##################################################



		##################################################
		# Blocks
		##################################################
		self._variable_qtgui_range_0_layout = Qt.QVBoxLayout()
		self._variable_qtgui_range_0_tool_bar = Qt.QToolBar(self)
		self._variable_qtgui_range_0_layout.addWidget(self._variable_qtgui_range_0_tool_bar)
		self._variable_qtgui_range_0_tool_bar.addWidget(Qt.QLabel("Transmission_Frequency"+": "))
		self._variable_qtgui_range_0_counter = Qwt.QwtCounter()
		self._variable_qtgui_range_0_counter.setRange(470e6, 478e6, 1e3)
		self._variable_qtgui_range_0_counter.setNumButtons(2)
		self._variable_qtgui_range_0_counter.setValue(self.variable_qtgui_range_0)
		self._variable_qtgui_range_0_tool_bar.addWidget(self._variable_qtgui_range_0_counter)
		self._variable_qtgui_range_0_counter.valueChanged.connect(self.set_variable_qtgui_range_0)
		self._variable_qtgui_range_0_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
		self._variable_qtgui_range_0_slider.setRange(470e6, 478e6, 1e3)
		self._variable_qtgui_range_0_slider.setValue(self.variable_qtgui_range_0)
		self._variable_qtgui_range_0_slider.setMinimumWidth(200)
		self._variable_qtgui_range_0_slider.valueChanged.connect(self.set_variable_qtgui_range_0)
		self._variable_qtgui_range_0_layout.addWidget(self._variable_qtgui_range_0_slider)
		self.top_layout.addLayout(self._variable_qtgui_range_0_layout)
		self.qtgui_sink_x_0 = qtgui.sink_c(
			OFDM_Symbols, #fftsize
			firdes.WIN_BLACKMAN_hARRIS, #wintype
			Transmission_Frequency, #fc
			8e6, #bw
			"QT GUI Plot", #name
			True, #plotfreq
			False, #plotwaterfall
			True, #plottime
			False, #plotconst
		)
		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.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate)

		#########################################################################################
		# My Blocks
		#self.gr_file_source_0 = gr.file_source(gr.sizeof_char*1, "/home/katsikas/katsikas-repo/Gnuradio/Common/Text.txt", True)
		self.gr_vector_source_0 = gr.vector_source_b(self.ts, True, 1)
		#########################################################################################

		self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char*1, "/home/katsikas/katsikas-repo/Gnuradio/Common/Results.txt")
		self.gr_file_sink_0.set_unbuffered(False)
		self.digital_ofdm_mod_0 = grc_blks2.packet_mod_b(digital.ofdm_mod(
				options=grc_blks2.options(
					modulation="qam64",
					fft_length=OFDM_Symbols,
					occupied_tones=Useful_Carriers,
					cp_length=OFDM_Symbols/Guard_Interval,
					pad_for_usrp=True,
					log=None,
					verbose=None,
				),
			),
			payload_length=0,
		)
		self.digital_ofdm_demod_0 = grc_blks2.packet_demod_b(digital.ofdm_demod(
				options=grc_blks2.options(
					modulation="qam64",
					fft_length=OFDM_Symbols,
					occupied_tones=Useful_Carriers,
					cp_length=OFDM_Symbols/Guard_Interval,
					snr=20,
					log=None,
					verbose=None,
				),
				callback=lambda ok, payload: self.digital_ofdm_demod_0.recv_pkt(ok, payload),
			),
		)

		##################################################
		# Connections
		##################################################
		self.connect((self.gr_throttle_0, 0), (self.qtgui_sink_x_0, 0))
		self.connect((self.digital_ofdm_mod_0, 0), (self.gr_throttle_0, 0))
		self.connect((self.digital_ofdm_mod_0, 0), (self.digital_ofdm_demod_0, 0))
		self.connect((self.digital_ofdm_demod_0, 0), (self.gr_file_sink_0, 0))
		
		###########################################################################
		# My Connections
		self.connect((self.gr_vector_source_0, 0), (self.digital_ofdm_mod_0, 0))
コード例 #12
0
ファイル: top_block.py プロジェクト: CRL-Purdue/vip-sdr
    def __init__(self):
        gr.top_block.__init__(self, "Top Block")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Top Block")
        try:
             self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
        except:
             pass
        self.top_scroll_layout = Qt.QVBoxLayout()
        self.setLayout(self.top_scroll_layout)
        self.top_scroll = Qt.QScrollArea()
        self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
        self.top_scroll_layout.addWidget(self.top_scroll)
        self.top_scroll.setWidgetResizable(True)
        self.top_widget = Qt.QWidget()
        self.top_scroll.setWidget(self.top_widget)
        self.top_layout = Qt.QVBoxLayout(self.top_widget)
        self.top_grid_layout = Qt.QGridLayout()
        self.top_layout.addLayout(self.top_grid_layout)

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


        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 16000
        self.repeat = repeat = samp_rate/80

        ##################################################
        # Blocks
        ##################################################
        self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
        	1024, #size
        	samp_rate, #samp_rate
        	"", #name
        	1 #number of inputs
        )
        self.qtgui_time_sink_x_0_0.set_update_time(0.10)
        self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1)
        
        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(True)
        self.qtgui_time_sink_x_0_0.enable_grid(False)
        
        labels = ["", "", "", "", "",
                  "", "", "", "", ""]
        widths = [1, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        colors = ["blue", "red", "green", "black", "cyan",
                  "magenta", "yellow", "dark red", "dark green", "blue"]
        styles = [1, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        markers = [-1, -1, -1, -1, -1,
                   -1, -1, -1, -1, -1]
        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
                  1.0, 1.0, 1.0, 1.0, 1.0]
        
        for i in xrange(1):
            if len(labels[i]) == 0:
                self.qtgui_time_sink_x_0_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_layout.addWidget(self._qtgui_time_sink_x_0_0_win)
        self.blocks_unpacked_to_packed_xx_1 = blocks.unpacked_to_packed_bb(8, gr.GR_MSB_FIRST)
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
        self.blocks_uchar_to_float_0_0_0 = blocks.uchar_to_float()
        self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
        self.blocks_short_to_float_0 = blocks.short_to_float(1, 1)
        self.blocks_short_to_char_0 = blocks.short_to_char(1)
        self.blocks_rms_xx_0_0 = blocks.rms_ff(1)
        self.blocks_rms_xx_0 = blocks.rms_ff(1)
        self.blocks_repeat_0 = blocks.repeat(gr.sizeof_char*1, repeat)
        self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(1, 8, "", False, gr.GR_MSB_FIRST)
        self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_short*1)
        self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1)
        self.blocks_multiply_xx_0_2 = blocks.multiply_vff(1)
        self.blocks_multiply_xx_0_1 = blocks.multiply_vff(1)
        self.blocks_multiply_xx_0_0 = blocks.multiply_vff(1)
        self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vss((256, ))
        self.blocks_integrate_xx_1 = blocks.integrate_ff(repeat)
        self.blocks_integrate_xx_0_1 = blocks.integrate_ff(repeat)
        self.blocks_integrate_xx_0_0 = blocks.integrate_ff(repeat)
        self.blocks_integrate_xx_0 = blocks.integrate_ff(repeat)
        self.blocks_float_to_uchar_0 = blocks.float_to_uchar()
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_short*1, "/home/sidekiq/Documents/Documentation_SDR/sdr.in", True)
        self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char*1, "/home/sidekiq/Documents/Documentation_SDR/text_output", False)
        self.blocks_file_sink_0_0.set_unbuffered(True)
        self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
        self.blocks_argmax_xx_0 = blocks.argmax_fs(1)
        self.blocks_add_xx_0_0 = blocks.add_vff(1)
        self.blocks_add_xx_0 = blocks.add_vff(1)
        self.blocks_add_const_vxx_0 = blocks.add_const_vff((1, ))
        self.blocks_abs_xx_0_2 = blocks.abs_ff(1)
        self.blocks_abs_xx_0_1 = blocks.abs_ff(1)
        self.blocks_abs_xx_0_0 = blocks.abs_ff(1)
        self.blocks_abs_xx_0 = blocks.abs_ff(1)
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=1,
        		bits_per_symbol=1,
        		preamble="11111000",
        		access_code="11111111",
        		pad_for_usrp=False,
        	),
        	payload_length=1,
        )
        self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b(grc_blks2.packet_decoder(
        		access_code="",
        		threshold=-1,
        		callback=lambda ok, payload: self.blks2_packet_decoder_0.recv_pkt(ok, payload),
        	),
        )
        self.audio_sink_1 = audio.sink(16000, "", True)
        self.analog_sig_source_x_1 = analog.sig_source_f(samp_rate, analog.GR_COS_WAVE, 1330, 1, 0)
        self.analog_sig_source_x_0_1 = analog.sig_source_f(samp_rate, analog.GR_SIN_WAVE, 1330, 1, 0)
        self.analog_sig_source_x_0_0 = analog.sig_source_f(samp_rate, analog.GR_SIN_WAVE, 2720, 1, 0)
        self.analog_sig_source_x_0 = analog.sig_source_f(samp_rate, analog.GR_COS_WAVE, 2720, 1, 0)
        self.analog_frequency_modulator_fc_0 = analog.frequency_modulator_fc(100)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_frequency_modulator_fc_0, 0), (self.blocks_complex_to_float_0, 0))    
        self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0_0, 0))    
        self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_2, 0))    
        self.connect((self.analog_sig_source_x_0_1, 0), (self.blocks_multiply_xx_0_1, 0))    
        self.connect((self.analog_sig_source_x_1, 0), (self.blocks_multiply_xx_0, 0))    
        self.connect((self.blks2_packet_decoder_0, 0), (self.blocks_unpacked_to_packed_xx_1, 0))    
        self.connect((self.blks2_packet_encoder_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))    
        self.connect((self.blocks_abs_xx_0, 0), (self.blocks_add_xx_0, 0))    
        self.connect((self.blocks_abs_xx_0_0, 0), (self.blocks_add_xx_0_0, 0))    
        self.connect((self.blocks_abs_xx_0_1, 0), (self.blocks_add_xx_0, 1))    
        self.connect((self.blocks_abs_xx_0_2, 0), (self.blocks_add_xx_0_0, 1))    
        self.connect((self.blocks_add_const_vxx_0, 0), (self.analog_frequency_modulator_fc_0, 0))    
        self.connect((self.blocks_add_xx_0, 0), (self.blocks_rms_xx_0, 0))    
        self.connect((self.blocks_add_xx_0_0, 0), (self.blocks_rms_xx_0_0, 0))    
        self.connect((self.blocks_argmax_xx_0, 0), (self.blocks_null_sink_1, 0))    
        self.connect((self.blocks_argmax_xx_0, 1), (self.blocks_short_to_float_0, 0))    
        self.connect((self.blocks_complex_to_float_0, 1), (self.audio_sink_1, 0))    
        self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_multiply_xx_0, 1))    
        self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_multiply_xx_0_0, 1))    
        self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_multiply_xx_0_1, 1))    
        self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_multiply_xx_0_2, 1))    
        self.connect((self.blocks_complex_to_float_0, 0), (self.blocks_null_sink_0, 0))    
        self.connect((self.blocks_file_source_0, 0), (self.blocks_multiply_const_vxx_0, 0))    
        self.connect((self.blocks_float_to_uchar_0, 0), (self.blks2_packet_decoder_0, 0))    
        self.connect((self.blocks_integrate_xx_0, 0), (self.blocks_abs_xx_0_2, 0))    
        self.connect((self.blocks_integrate_xx_0_0, 0), (self.blocks_abs_xx_0, 0))    
        self.connect((self.blocks_integrate_xx_0_1, 0), (self.blocks_abs_xx_0_0, 0))    
        self.connect((self.blocks_integrate_xx_1, 0), (self.blocks_abs_xx_0_1, 0))    
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_short_to_char_0, 0))    
        self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_integrate_xx_0, 0))    
        self.connect((self.blocks_multiply_xx_0_0, 0), (self.blocks_integrate_xx_1, 0))    
        self.connect((self.blocks_multiply_xx_0_1, 0), (self.blocks_integrate_xx_0_1, 0))    
        self.connect((self.blocks_multiply_xx_0_2, 0), (self.blocks_integrate_xx_0_0, 0))    
        self.connect((self.blocks_repack_bits_bb_0, 0), (self.blks2_packet_encoder_0, 0))    
        self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_uchar_to_float_0_0_0, 0))    
        self.connect((self.blocks_repeat_0, 0), (self.blocks_throttle_0, 0))    
        self.connect((self.blocks_rms_xx_0, 0), (self.blocks_argmax_xx_0, 1))    
        self.connect((self.blocks_rms_xx_0_0, 0), (self.blocks_argmax_xx_0, 0))    
        self.connect((self.blocks_short_to_char_0, 0), (self.blocks_repack_bits_bb_0, 0))    
        self.connect((self.blocks_short_to_float_0, 0), (self.blocks_float_to_uchar_0, 0))    
        self.connect((self.blocks_throttle_0, 0), (self.blocks_uchar_to_float_0, 0))    
        self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_add_const_vxx_0, 0))    
        self.connect((self.blocks_uchar_to_float_0_0_0, 0), (self.qtgui_time_sink_x_0_0, 0))    
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_repeat_0, 0))    
        self.connect((self.blocks_unpacked_to_packed_xx_1, 0), (self.blocks_file_sink_0_0, 0))    
コード例 #13
0
	def __init__(self):
		gr.top_block.__init__(self, "Simple TX/RX Path")

		##################################################
		# Blocks
		##################################################
		self.blks2_gmsk_demod_0 = blks2.gmsk_demod(
			samples_per_symbol=2,
			gain_mu=0.175,
			mu=0.5,
			omega_relative_limit=0.005,
			freq_error=0.0,
			verbose=False,
			log=False,
		)
		self.blks2_gmsk_mod_0 = blks2.gmsk_mod(
			samples_per_symbol=2,
			bt=0.35,
			verbose=False,
			log=False,
		)
		self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b(grc_blks2.packet_decoder(
				access_code="",
				threshold=-1,
				callback=lambda ok, payload: self.blks2_packet_decoder_0.recv_pkt(ok, payload),
			),
		)
		self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
				samples_per_symbol=1,
				bits_per_symbol=1,
				access_code="",
				pad_for_usrp=True,
			),
			payload_length=0,
		)
		self.blks2_tcp_sink_0 = grc_blks2.tcp_sink(
			itemsize=gr.sizeof_char*1,
			addr="127.0.0.1",
			port=9001,
			server=True,
		)
		self.blks2_tcp_source_0 = grc_blks2.tcp_source(
			itemsize=gr.sizeof_char*1,
			addr="127.0.0.1",
			port=9000,
			server=True,
		)
		self.gr_channel_model_0 = gr.channel_model(
			noise_voltage=0.0,
			frequency_offset=0.0,
			epsilon=1.0,
			taps=(1.0 + 1.0j, ),
			noise_seed=42,
		)

		##################################################
		# Connections
		##################################################
		self.connect((self.blks2_tcp_source_0, 0), (self.blks2_packet_encoder_0, 0))
		self.connect((self.blks2_packet_encoder_0, 0), (self.blks2_gmsk_mod_0, 0))
		self.connect((self.blks2_gmsk_mod_0, 0), (self.gr_channel_model_0, 0))
		self.connect((self.gr_channel_model_0, 0), (self.blks2_gmsk_demod_0, 0))
		self.connect((self.blks2_gmsk_demod_0, 0), (self.blks2_packet_decoder_0, 0))
		self.connect((self.blks2_packet_decoder_0, 0), (self.blks2_tcp_sink_0, 0))
コード例 #14
0
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Ud T")
        _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Variables
        ##################################################
        self.transistion = transistion = 100
        self.sps = sps = 9
        self.sideband_rx = sideband_rx = 1000
        self.sideband = sideband = 1000
        self.samp_rate = samp_rate = 48000
        self.payload = payload = 5
        self.interpolation = interpolation = 500
        self.carrier = carrier = 23000

        ##################################################
        # Blocks
        ##################################################
        self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
        	self.GetWin(),
        	baseband_freq=0,
        	y_per_div=10,
        	y_divs=10,
        	ref_level=0,
        	ref_scale=2.0,
        	sample_rate=samp_rate,
        	fft_size=1024,
        	fft_rate=15,
        	average=False,
        	avg_alpha=None,
        	title="FFT Plot",
        	peak_hold=False,
        )
        self.Add(self.wxgui_fftsink2_0_0.win)
        self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
                interpolation=500,
                decimation=1,
                taps=None,
                fractional_bw=None,
        )
        self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, (firdes.band_pass (0.50,samp_rate,carrier-sideband,carrier+sideband,transistion)), -carrier, samp_rate)
        self.digital_gfsk_mod_0 = digital.gfsk_mod(
        	samples_per_symbol=sps,
        	sensitivity=1.0,
        	bt=0.35,
        	verbose=False,
        	log=False,
        )
        self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
        self.blks2_tcp_source_0 = grc_blks2.tcp_source(
        	itemsize=gr.sizeof_char*1,
        	addr="127.0.0.1",
        	port=10004,
        	server=True,
        )
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=sps,
        		bits_per_symbol=1,
        		preamble="",
        		access_code="",
        		pad_for_usrp=False,
        	),
        	payload_length=payload,
        )
        self.audio_sink_0 = audio.sink(48000, "", True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blocks_complex_to_real_0, 0))
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gfsk_mod_0, 0))
        self.connect((self.blks2_tcp_source_0, 0), (self.blks2_packet_encoder_0, 0))
        self.connect((self.blocks_complex_to_real_0, 0), (self.audio_sink_0, 0))
        self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.wxgui_fftsink2_0_0, 0))
        self.connect((self.digital_gfsk_mod_0, 0), (self.rational_resampler_xxx_0, 0))
        self.connect((self.rational_resampler_xxx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
コード例 #15
0
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Top Block")

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 32000
        self.noise_volt = noise_volt = 10e-3
        self.mult_const = mult_const = 1
        self.cutoff = cutoff = 10.7e3

        ##################################################
        # Blocks
        ##################################################
        _noise_volt_sizer = wx.BoxSizer(wx.VERTICAL)
        self._noise_volt_text_box = forms.text_box(
        	parent=self.GetWin(),
        	sizer=_noise_volt_sizer,
        	value=self.noise_volt,
        	callback=self.set_noise_volt,
        	label="Noise Voltage",
        	converter=forms.float_converter(),
        	proportion=0,
        )
        self._noise_volt_slider = forms.slider(
        	parent=self.GetWin(),
        	sizer=_noise_volt_sizer,
        	value=self.noise_volt,
        	callback=self.set_noise_volt,
        	minimum=0,
        	maximum=1,
        	num_steps=100,
        	style=wx.SL_HORIZONTAL,
        	cast=float,
        	proportion=1,
        )
        self.Add(_noise_volt_sizer)
        _mult_const_sizer = wx.BoxSizer(wx.VERTICAL)
        self._mult_const_text_box = forms.text_box(
        	parent=self.GetWin(),
        	sizer=_mult_const_sizer,
        	value=self.mult_const,
        	callback=self.set_mult_const,
        	label="Amplifier",
        	converter=forms.float_converter(),
        	proportion=0,
        )
        self._mult_const_slider = forms.slider(
        	parent=self.GetWin(),
        	sizer=_mult_const_sizer,
        	value=self.mult_const,
        	callback=self.set_mult_const,
        	minimum=0,
        	maximum=2,
        	num_steps=100,
        	style=wx.SL_HORIZONTAL,
        	cast=float,
        	proportion=1,
        )
        self.Add(_mult_const_sizer)
        _cutoff_sizer = wx.BoxSizer(wx.VERTICAL)
        self._cutoff_text_box = forms.text_box(
        	parent=self.GetWin(),
        	sizer=_cutoff_sizer,
        	value=self.cutoff,
        	callback=self.set_cutoff,
        	label="Cutoff Frequency",
        	converter=forms.float_converter(),
        	proportion=0,
        )
        self._cutoff_slider = forms.slider(
        	parent=self.GetWin(),
        	sizer=_cutoff_sizer,
        	value=self.cutoff,
        	callback=self.set_cutoff,
        	minimum=5e3,
        	maximum=16e3,
        	num_steps=100,
        	style=wx.SL_HORIZONTAL,
        	cast=float,
        	proportion=1,
        )
        self.Add(_cutoff_sizer)
        self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
        	self.GetWin(),
        	baseband_freq=0,
        	y_per_div=10,
        	y_divs=10,
        	ref_level=0,
        	ref_scale=2.0,
        	sample_rate=samp_rate,
        	fft_size=1024,
        	fft_rate=15,
        	average=False,
        	avg_alpha=None,
        	title="Tx",
        	peak_hold=False,
        )
        self.Add(self.wxgui_fftsink2_0_0.win)
        self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
        	self.GetWin(),
        	baseband_freq=0,
        	y_per_div=10,
        	y_divs=10,
        	ref_level=0,
        	ref_scale=2.0,
        	sample_rate=samp_rate,
        	fft_size=1024,
        	fft_rate=15,
        	average=False,
        	avg_alpha=None,
        	title="Rx",
        	peak_hold=False,
        )
        self.Add(self.wxgui_fftsink2_0.win)
        self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
        	1, samp_rate, cutoff, 100, firdes.WIN_HAMMING, 6.76))
        self.digital_gfsk_mod_0 = digital.gfsk_mod(
        	samples_per_symbol=2,
        	sensitivity=1.0,
        	bt=0.35,
        	verbose=False,
        	log=False,
        )
        self.channels_channel_model_0 = channels.channel_model(
        	noise_voltage=noise_volt,
        	frequency_offset=0.0,
        	epsilon=1.0,
        	taps=(1.0 + 1.0j, ),
        	noise_seed=42,
        	block_tags=False
        )
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
        self.blocks_multiply_xx_1 = blocks.multiply_vcc(1)
        self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((mult_const, ))
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=2,
        		bits_per_symbol=1,
        		preamble="",
        		access_code="",
        		pad_for_usrp=True,
        	),
        	payload_length=0,
        )
        self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_SIN_WAVE, 10000, 1, 0)
        self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 512)), True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_throttle_0, 0), (self.wxgui_fftsink2_0, 0))
        self.connect((self.analog_random_source_x_0, 0), (self.blks2_packet_encoder_0, 0))
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gfsk_mod_0, 0))
        self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.channels_channel_model_0, 0))
        self.connect((self.digital_gfsk_mod_0, 0), (self.low_pass_filter_0, 0))
        self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
        self.connect((self.low_pass_filter_0, 0), (self.blocks_multiply_xx_0, 0))
        self.connect((self.channels_channel_model_0, 0), (self.blocks_multiply_xx_1, 0))
        self.connect((self.blocks_multiply_xx_1, 0), (self.blocks_throttle_0, 0))
        self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_1, 1))
        self.connect((self.blocks_multiply_xx_0, 0), (self.wxgui_fftsink2_0_0, 0))
コード例 #16
0
ファイル: dsss_phone_shyam.py プロジェクト: CIG-SDR/CIG
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Top Block")
        _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Variables
        ##################################################
        self.tx_freq = tx_freq = 2.407e9
        self.samp_rate = samp_rate = 32e3

        ##################################################
        # Blocks
        ##################################################
        self._tx_freq_chooser = forms.drop_down(
        	parent=self.GetWin(),
        	value=self.tx_freq,
        	callback=self.set_tx_freq,
        	label="tx_freq",
        	choices=[2.407e9, 2.41e9, 2.413e9, 2.416e9, 2.419e9, 2.422e9, 2.425e9, 2.427e9, 2.429e9, 2.431e9, 2.433e9, 2.436e9, 2.439e9, 2.441e9, 2.443e9,2.422e9, 2.446e9, 2.449e9, 2.452e9, 2.455e9,  2.458e9, 2.460e9, 2.463e9, 2.466e9, 2.469e9, 2.472e9, 2.475e9, 2.478e9 ],
        	labels=[1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28],
        )
        self.Add(self._tx_freq_chooser)
        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(32e3)
        self.uhd_usrp_sink_0.set_center_freq(tx_freq, 0)
        self.uhd_usrp_sink_0.set_gain(20, 0)
        self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
        self.uhd_usrp_sink_0.set_bandwidth(3e6, 0)
        self.digital_gfsk_mod_0 = digital.gfsk_mod(
        	samples_per_symbol=2,
        	sensitivity=1.0,
        	bt=0.35,
        	verbose=False,
        	log=False,
        )
        self.blocks_vector_source_x_0 = blocks.vector_source_b((1,0,1,0), True, 1, [])
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=1,
        		bits_per_symbol=1,
        		preamble="",
        		access_code="",
        		pad_for_usrp=True,
        	),
        	payload_length=0,
        )
        self.Spread_ds_spreader_0 = Spread.ds_spreader(2, (1, 1, 0, 1), (1, 1, 1))

        ##################################################
        # Connections
        ##################################################
        self.connect((self.Spread_ds_spreader_0, 0), (self.digital_gfsk_mod_0, 0))    
        self.connect((self.blks2_packet_encoder_0, 0), (self.Spread_ds_spreader_0, 0))    
        self.connect((self.blocks_vector_source_x_0, 0), (self.blks2_packet_encoder_0, 0))    
        self.connect((self.digital_gfsk_mod_0, 0), (self.uhd_usrp_sink_0, 0))    
コード例 #17
0
ファイル: hier_tx_ch_rx.py プロジェクト: vagonbar/GNUnetwork
    def __init__(self):
        gr.hier_block2.__init__(
            self, "Hier Tx Ch Rx",
            gr.io_signature(1, 1, gr.sizeof_char*1),
            gr.io_signature(1, 1, gr.sizeof_char*1),
        )

        ##################################################
        # Variables
        ##################################################
        self.samp_per_sym = samp_per_sym = 3
        self.n_filts = n_filts = 32
        self.len_sym_srrc = len_sym_srrc = 7
        self.alfa = alfa = 0.35
        self.pulso = pulso = firdes.root_raised_cosine(samp_per_sym,samp_per_sym,1.0,alfa,samp_per_sym*len_sym_srrc)
        self.gain = gain = 15
        self.frec = frec = 850e3
        self.filtro_srrc = filtro_srrc = firdes.root_raised_cosine(n_filts,samp_per_sym*n_filts,1.0,alfa,samp_per_sym*len_sym_srrc*n_filts)
        self.bits_per_sym = bits_per_sym = 2

        ##################################################
        # Blocks
        ##################################################
        self.pfb_interpolator_ccf_0 = pfb.interpolator_ccf(
        	  samp_per_sym,
        	  (pulso),
        	  100)
        	
        self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(samp_per_sym, 2*math.pi/100, (filtro_srrc), n_filts, 16, 5, 1)
        self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(samp_per_sym, alfa, len_sym_srrc*samp_per_sym, math.pi/1600)
        self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2**bits_per_sym)
        self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2**bits_per_sym)
        self.digital_costas_loop_cc_0_0_0 = digital.costas_loop_cc(2*math.pi/100, 2**bits_per_sym)
        self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( digital.constellation_calcdist([-1-1j, 1-1j, 1+1j, -1+1j], [], 4, 1).base())
        self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(([-1-1j,1-1j, 1+1j, -1+1j]), 1)
        self.channels_channel_model_0 = channels.channel_model(
        	noise_voltage=0.0,
        	frequency_offset=0.0,
        	epsilon=1.00,
        	taps=(1+0.5j, ),
        	noise_seed=0,
        	block_tags=False
        )
        self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(bits_per_sym)
        self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(bits_per_sym, gr.GR_MSB_FIRST)
        self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((0.4, ))
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=samp_per_sym,
        		bits_per_symbol=bits_per_sym,
        		preamble="",
        		access_code="",
        		pad_for_usrp=True,
        	),
        	payload_length=1,
        )
        self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b(grc_blks2.packet_decoder(
        		access_code="",
        		threshold=-1,
        		callback=lambda ok, payload: self.blks2_packet_decoder_0.recv_pkt(ok, payload),
        	),
        )
        self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
        self.analog_agc2_xx_0.set_max_gain(65536)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.pfb_interpolator_ccf_0, 0), (self.blocks_multiply_const_vxx_1, 0))
        self.connect((self.digital_diff_encoder_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0))
        self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.pfb_interpolator_ccf_0, 0))
        self.connect((self.blocks_multiply_const_vxx_1, 0), (self.channels_channel_model_0, 0))
        self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.digital_diff_encoder_bb_0, 0))
        self.connect((self.blks2_packet_encoder_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
        self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blks2_packet_decoder_0, 0))
        self.connect((self.blks2_packet_decoder_0, 0), (self, 0))
        self.connect((self, 0), (self.blks2_packet_encoder_0, 0))
        self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
        self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0))
        self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.digital_constellation_decoder_cb_0, 0))
        self.connect((self.analog_agc2_xx_0, 0), (self.digital_fll_band_edge_cc_0, 0))
        self.connect((self.channels_channel_model_0, 0), (self.analog_agc2_xx_0, 0))
        self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
        self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0_0, 0))
コード例 #18
0
    def __init__(self):
        gr.top_block.__init__(self, "Perseus Spectrum Sensing")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Perseus Spectrum Sensing")
        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", "perseus_s_sensing")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.variable_funcion = variable_funcion = 2.5e6
        self.show_test_statistics = show_test_statistics = False
        self.samp_rate = samp_rate = 20e6
        self.packet_size = packet_size = 8192
        self.oversampling = oversampling = 4
        self.nfft = nfft = 2**15
        self.funcion_prove_showts_edge = funcion_prove_showts_edge = 0
        self.freq_offset = freq_offset = variable_funcion
        self.decimation = decimation = 40
        self.cosenito = cosenito = 20e3
        self.amplitude = amplitude = 0.125
        self.RF_freq = RF_freq = 943e6
        self.PSD_averaging = PSD_averaging = 2000
        self.ENABLE_TX1_variable_check_box = ENABLE_TX1_variable_check_box = True

        ##################################################
        # Blocks
        ##################################################
        _show_test_statistics_check_box = Qt.QCheckBox("Show Test Statistics (ReL and Rs)")
        self._show_test_statistics_choices = {True: True, False: False}
        self._show_test_statistics_choices_inv = dict((v,k) for k,v in self._show_test_statistics_choices.iteritems())
        self._show_test_statistics_callback = lambda i: Qt.QMetaObject.invokeMethod(_show_test_statistics_check_box, "setChecked", Qt.Q_ARG("bool", self._show_test_statistics_choices_inv[i]))
        self._show_test_statistics_callback(self.show_test_statistics)
        _show_test_statistics_check_box.stateChanged.connect(lambda i: self.set_show_test_statistics(self._show_test_statistics_choices[bool(i)]))
        self.top_layout.addWidget(_show_test_statistics_check_box)
        self.probe = blocks.probe_signal_f()
        def _variable_funcion_probe():
            while True:
                val = self.probe.level()
                try:
                    self.set_variable_funcion(val)
                except AttributeError:
                    pass
                time.sleep(1.0 / (0.01))
        _variable_funcion_thread = threading.Thread(target=_variable_funcion_probe)
        _variable_funcion_thread.daemon = True
        _variable_funcion_thread.start()
        self.spectsensing_ss_edge_plot_0 = spectsensing.ss_edge_plot(show_test_statistics, " " )
        self._spectsensing_ss_edge_plot_0_win = self.spectsensing_ss_edge_plot_0;
        self.top_layout.addWidget(self._spectsensing_ss_edge_plot_0_win) 
        
        self.spectsensing_xs_plot_1 = spectsensing.xs_plot("")
        self._spectsensing_xs_plot_1_win = self.spectsensing_xs_plot_1;
        self.top_layout.addWidget(self._spectsensing_xs_plot_1_win)
        self.spectsensing_subband_selector_0 = spectsensing.subband_selector(40, "Selection", 2.5e6 , samp_rate)
        self.spectsensing_ss_pds_plot_0 = spectsensing.ss_pds_plot(nfft, samp_rate, 1024 )
        self.spectsensing_compute_statistics_0 = spectsensing.compute_statistics(nfft, samp_rate, 0.0065, 1e-9, 1e-9, 40, 54)
        self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
        	1024, #size
        	8E3, #samp_rate
        	"", #name
        	1 #number of inputs
        )
        self.qtgui_time_sink_x_0_0.set_update_time(0.10)
        self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1)
        
        self.qtgui_time_sink_x_0_0.set_y_label("Amplitude", "")
        
        self.qtgui_time_sink_x_0_0.enable_tags(-1, True)
        self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
        self.qtgui_time_sink_x_0_0.enable_autoscale(False)
        self.qtgui_time_sink_x_0_0.enable_grid(False)
        self.qtgui_time_sink_x_0_0.enable_control_panel(False)
        
        if not True:
          self.qtgui_time_sink_x_0_0.disable_legend()
        
        labels = ["", "", "", "", "",
                  "", "", "", "", ""]
        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_layout.addWidget(self._qtgui_time_sink_x_0_0_win)
        self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
        	2**15, #size
        	samp_rate, #samp_rate
        	"", #name
        	1 #number of inputs
        )
        self.qtgui_time_sink_x_0.set_update_time(0.10)
        self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
        
        self.qtgui_time_sink_x_0.set_y_label("Amplitude", "")
        
        self.qtgui_time_sink_x_0.enable_tags(-1, True)
        self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
        self.qtgui_time_sink_x_0.enable_autoscale(False)
        self.qtgui_time_sink_x_0.enable_grid(False)
        self.qtgui_time_sink_x_0.enable_control_panel(False)
        
        if not True:
          self.qtgui_time_sink_x_0.disable_legend()
        
        labels = ["", "", "", "", "",
                  "", "", "", "", ""]
        widths = [1, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        colors = ["blue", "red", "green", "black", "cyan",
                  "magenta", "yellow", "dark red", "dark green", "blue"]
        styles = [1, 1, 1, 1, 1,
                  1, 1, 1, 1, 1]
        markers = [-1, -1, -1, -1, -1,
                   -1, -1, -1, -1, -1]
        alphas = [1.0, 1.0, 1.0, 1.0, 1.0,
                  1.0, 1.0, 1.0, 1.0, 1.0]
        
        for i in xrange(2*1):
            if len(labels[i]) == 0:
                if(i % 2 == 0):
                    self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
                else:
                    self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
            else:
                self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
            self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
            self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
            self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
            self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
            self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
        
        self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
        self.nutaq_rtdex_source_S_S_0 = nutaq.rtdex_source("nutaq_carrier_perseus_TX",gr.sizeof_short,1,0)
        self.nutaq_rtdex_source_S_S_0.set_type(0)
        self.nutaq_rtdex_source_S_S_0.set_packet_size(1300)
        self.nutaq_rtdex_source_S_S_0.set_channels("0")
        self.nutaq_rtdex_source_S_S = nutaq.rtdex_source("nutaq_carrier_perseus_TX",gr.sizeof_short,1,3)
        self.nutaq_rtdex_source_S_S.set_type(0)
        self.nutaq_rtdex_source_S_S.set_packet_size(1200)
        self.nutaq_rtdex_source_S_S.set_channels("3")
        self.nutaq_rtdex_source_0_0_0 = nutaq.rtdex_source("nutaq_carrier_perseus_TX",gr.sizeof_short,1,7)
        self.nutaq_rtdex_source_0_0_0.set_type(0)
        self.nutaq_rtdex_source_0_0_0.set_packet_size(packet_size)
        self.nutaq_rtdex_source_0_0_0.set_channels("2")
        (self.nutaq_rtdex_source_0_0_0).set_min_output_buffer(16384)
        self.nutaq_rtdex_sink_0 = nutaq.rtdex_sink("nutaq_carrier_perseus_TX",gr.sizeof_short,1,7)
        self.nutaq_rtdex_sink_0.set_type(0)
        self.nutaq_rtdex_sink_0.set_packet_size(packet_size)
        self.nutaq_rtdex_sink_0.set_channels("1")
        self.nutaq_radio420_tx_0_0 = nutaq.radio420_tx("nutaq_carrier_perseus_TX", 2, 1)
        self.nutaq_radio420_tx_0_0.set_default_enable(1)
        self.nutaq_radio420_tx_0_0.set_default_tx_freq(RF_freq)
        self.nutaq_radio420_tx_0_0.set_default_reference(1)
        self.nutaq_radio420_tx_0_0.set_default_datarate(samp_rate*2)
        self.nutaq_radio420_tx_0_0.set_default_calibrate(1)
        self.nutaq_radio420_tx_0_0.set_default_band(0)
        self.nutaq_radio420_tx_0_0.set_default_update_rate(1)
        self.nutaq_radio420_tx_0_0.set_default_tx_vga1_gain(-10)
        self.nutaq_radio420_tx_0_0.set_default_tx_vga2_gain(15)
        self.nutaq_radio420_tx_0_0.set_default_tx_gain3(3)
        self.nutaq_radio420_tx_0_0.set_default_tx_lpf_bandwidth(2)
        self.nutaq_radio420_tx_0_0.set_default_ref_clk_ctrl(0)
        self.nutaq_radio420_tx_0_0.set_default_rf_ctrl(0)
        self.nutaq_radio420_tx_0_0.set_default_tx_gain_ctrl(0)
        self.nutaq_radio420_tx_0_0.set_default_pll_cpld_ctrl(0)
          
        self.nutaq_radio420_tx_0 = nutaq.radio420_tx("nutaq_carrier_perseus_TX", 1, 0)
        self.nutaq_radio420_tx_0.set_default_enable(1)
        self.nutaq_radio420_tx_0.set_default_tx_freq(RF_freq )
        self.nutaq_radio420_tx_0.set_default_reference(0)
        self.nutaq_radio420_tx_0.set_default_datarate(samp_rate*2)
        self.nutaq_radio420_tx_0.set_default_calibrate(1)
        self.nutaq_radio420_tx_0.set_default_band(0)
        self.nutaq_radio420_tx_0.set_default_update_rate(1)
        self.nutaq_radio420_tx_0.set_default_tx_vga1_gain(-10)
        self.nutaq_radio420_tx_0.set_default_tx_vga2_gain(15)
        self.nutaq_radio420_tx_0.set_default_tx_gain3(3)
        self.nutaq_radio420_tx_0.set_default_tx_lpf_bandwidth(2)
        self.nutaq_radio420_tx_0.set_default_ref_clk_ctrl(0)
        self.nutaq_radio420_tx_0.set_default_rf_ctrl(0)
        self.nutaq_radio420_tx_0.set_default_tx_gain_ctrl(0)
        self.nutaq_radio420_tx_0.set_default_pll_cpld_ctrl(0)
          
        self.nutaq_radio420_rx_0_0 = nutaq.radio420_rx("nutaq_carrier_perseus_TX", 2, 3)
        self.nutaq_radio420_rx_0_0.set_default_enable(1)
        self.nutaq_radio420_rx_0_0.set_default_rx_freq(RF_freq)
        self.nutaq_radio420_rx_0_0.set_default_reference(1)
        self.nutaq_radio420_rx_0_0.set_default_datarate(samp_rate*2)
        self.nutaq_radio420_rx_0_0.set_default_calibrate(1)
        self.nutaq_radio420_rx_0_0.set_default_band(0)
        self.nutaq_radio420_rx_0_0.set_default_update_rate(1)
        self.nutaq_radio420_rx_0_0.set_default_rx_lna_gain(3)
        self.nutaq_radio420_rx_0_0.set_default_rx_vga1_gain(2)
        self.nutaq_radio420_rx_0_0.set_default_rx_gain2(4)
        self.nutaq_radio420_rx_0_0.set_default_rx_gain3(10)
        self.nutaq_radio420_rx_0_0.set_default_rx_rf_filter(2)
        self.nutaq_radio420_rx_0_0.set_default_rx_lpf_bandwidth(2)
        self.nutaq_radio420_rx_0_0.set_default_ref_clk_ctrl(0)
        self.nutaq_radio420_rx_0_0.set_default_rf_ctrl(0)
        self.nutaq_radio420_rx_0_0.set_default_rx_gain_ctrl(0)
        self.nutaq_radio420_rx_0_0.set_default_pll_cpld_ctrl(0)
          
        self.nutaq_radio420_rx_0 = nutaq.radio420_rx("nutaq_carrier_perseus_TX", 1, 2)
        self.nutaq_radio420_rx_0.set_default_enable(1)
        self.nutaq_radio420_rx_0.set_default_rx_freq(RF_freq)
        self.nutaq_radio420_rx_0.set_default_reference(0)
        self.nutaq_radio420_rx_0.set_default_datarate(samp_rate*2)
        self.nutaq_radio420_rx_0.set_default_calibrate(1)
        self.nutaq_radio420_rx_0.set_default_band(0)
        self.nutaq_radio420_rx_0.set_default_update_rate(1)
        self.nutaq_radio420_rx_0.set_default_rx_lna_gain(2)
        self.nutaq_radio420_rx_0.set_default_rx_vga1_gain(2)
        self.nutaq_radio420_rx_0.set_default_rx_gain2(0)
        self.nutaq_radio420_rx_0.set_default_rx_gain3(-8)
        self.nutaq_radio420_rx_0.set_default_rx_rf_filter(2)
        self.nutaq_radio420_rx_0.set_default_rx_lpf_bandwidth(2)
        self.nutaq_radio420_rx_0.set_default_ref_clk_ctrl(0)
        self.nutaq_radio420_rx_0.set_default_rf_ctrl(0)
        self.nutaq_radio420_rx_0.set_default_rx_gain_ctrl(0)
        self.nutaq_radio420_rx_0.set_default_pll_cpld_ctrl(0)
          
        self.nutaq_custom_register_0_1_1 = nutaq.custom_register("nutaq_carrier_perseus_TX",9)
        self.nutaq_custom_register_0_1_1.set_index(6)
        self.nutaq_custom_register_0_1_1.set_default_value(PSD_averaging)
        self.nutaq_custom_register_0_1_1.set_update_rate(1)
          
        self.nutaq_custom_register_0_1_0 = nutaq.custom_register("nutaq_carrier_perseus_TX",7)
        self.nutaq_custom_register_0_1_0.set_index(2)
        self.nutaq_custom_register_0_1_0.set_update_rate(1)
          
        self.nutaq_custom_register_0_1 = nutaq.custom_register("nutaq_carrier_perseus_TX",36)
        self.nutaq_custom_register_0_1.set_index(0)
        self.nutaq_custom_register_0_1.set_default_value(int((2e6)/samp_rate*(2**32)))
        self.nutaq_custom_register_0_1.set_update_rate(1)
          
        self.nutaq_custom_register_0_0_0 = nutaq.custom_register("nutaq_carrier_perseus_TX",8)
        self.nutaq_custom_register_0_0_0.set_index(3)
        self.nutaq_custom_register_0_0_0.set_default_value(7)
        self.nutaq_custom_register_0_0_0.set_update_rate(1)
          
        self.nutaq_custom_register_0_0 = nutaq.custom_register("nutaq_carrier_perseus_TX",5)
        self.nutaq_custom_register_0_0.set_index(4)
        self.nutaq_custom_register_0_0.set_default_value(1)
        self.nutaq_custom_register_0_0.set_update_rate(1)
          
        self.nutaq_custom_register_0 = nutaq.custom_register("nutaq_carrier_perseus_TX",4)
        self.nutaq_custom_register_0.set_index(1)
        self.nutaq_custom_register_0.set_default_value(3)
        self.nutaq_custom_register_0.set_update_rate(1)
          
        self.nutaq_carrier_perseus_TX = nutaq.carrier(0,"nutaq_carrier_perseus_TX", "192.168.0.101")
        def _funcion_prove_showts_edge_probe():
            while True:
                val = self.spectsensing_ss_edge_plot_0.update_variable_show_Ts(self.show_test_statistics)
                try:
                    self.set_funcion_prove_showts_edge(val)
                except AttributeError:
                    pass
                time.sleep(1.0 / (0.1))
        _funcion_prove_showts_edge_thread = threading.Thread(target=_funcion_prove_showts_edge_probe)
        _funcion_prove_showts_edge_thread.daemon = True
        _funcion_prove_showts_edge_thread.start()
        self._freq_offset_range = Range(-1e7, 1e7, 1e4, variable_funcion, 200)
        self._freq_offset_win = RangeWidget(self._freq_offset_range, self.set_freq_offset, "freq_offset", "slider")
        self.top_layout.addWidget(self._freq_offset_win)
        self.digital_gmsk_mod_0 = digital.gmsk_mod(
        	samples_per_symbol=oversampling,
        	bt=0.71,
        	verbose=False,
        	log=False,
        )
        self.digital_gmsk_demod_0 = digital.gmsk_demod(
        	samples_per_symbol=oversampling,
        	gain_mu=0.175,
        	mu=0.5,
        	omega_relative_limit=0.005,
        	freq_error=0.0,
        	verbose=False,
        	log=False,
        )
        self._cosenito_range = Range(-250e3, 250e3, 1e3, 20e3, 200)
        self._cosenito_win = RangeWidget(self._cosenito_range, self.set_cosenito, "cosenito", "counter_slider")
        self.top_layout.addWidget(self._cosenito_win)
        self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_char*1, "192.168.0.122", 1234, 1472, True)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, 2*4e3 + 0*samp_rate/40/(oversampling*8*2),True)
        self.blocks_short_to_float_0_1_0 = blocks.short_to_float(1, 2**11)
        self.blocks_short_to_float_0_0_0_0 = blocks.short_to_float(1, 2**11)
        self.blocks_null_sink_1_3 = blocks.null_sink(gr.sizeof_float*40)
        self.blocks_null_sink_1_2 = blocks.null_sink(gr.sizeof_float*40)
        self.blocks_null_sink_1_1_0 = blocks.null_sink(gr.sizeof_float*40)
        self.blocks_null_sink_1_1 = blocks.null_sink(gr.sizeof_float*40)
        self.blocks_null_sink_1_0 = blocks.null_sink(gr.sizeof_float*40)
        self.blocks_null_sink_1 = blocks.null_sink(gr.sizeof_float*40)
        self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_short*1)
        self.blocks_multiply_const_vxx_0_3 = blocks.multiply_const_vff((2.0**(16*2), ))
        self.blocks_multiply_const_vxx_0_2 = blocks.multiply_const_vcc((amplitude, ))
        self.blocks_multiply_const_vxx_0_1_1 = blocks.multiply_const_vff((2.0**(16*0), ))
        self.blocks_multiply_const_vxx_0_1_0_0 = blocks.multiply_const_vff((2.0**(16*1), ))
        self.blocks_multiply_const_vxx_0_1_0 = blocks.multiply_const_vff((2.0**(16*1), ))
        self.blocks_multiply_const_vxx_0_1 = blocks.multiply_const_vff((2.0**(16*0), ))
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((2.0**(16*2), ))
        self.blocks_interleave_0 = blocks.interleave(gr.sizeof_short*1, 1)
        self.blocks_float_to_short_0_0_0 = blocks.float_to_short(1, 2**11-1)
        self.blocks_float_to_short_0_0 = blocks.float_to_short(1, 2**11-1)
        self.blocks_float_to_complex_0_0_0 = blocks.float_to_complex(1)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/juan/Music/de_mi.mp3", True)
        self.blocks_deinterleave_0_0_1 = blocks.deinterleave(gr.sizeof_short*1, 1)
        self.blocks_deinterleave_0_0_0 = blocks.deinterleave(gr.sizeof_short*1, 1)
        self.blocks_deinterleave_0_0 = blocks.deinterleave(gr.sizeof_short*1, 1)
        self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
        self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
        self.blocks_add_xx_0_0 = blocks.add_vff(1)
        self.blocks_add_xx_0 = blocks.add_vff(1)
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=2,
        		bits_per_symbol=8,
        		preamble="",
        		access_code="",
        		pad_for_usrp=True,
        	),
        	payload_length=128,
        )
        self.blks2_packet_decoder_1 = grc_blks2.packet_demod_b(grc_blks2.packet_decoder(
        		access_code="",
        		threshold=-1,
        		callback=lambda ok, payload: self.blks2_packet_decoder_1.recv_pkt(ok, payload),
        	),
        )
        _ENABLE_TX1_variable_check_box_check_box = Qt.QCheckBox("Enable Transmission")
        self._ENABLE_TX1_variable_check_box_choices = {True: True, False: False}
        self._ENABLE_TX1_variable_check_box_choices_inv = dict((v,k) for k,v in self._ENABLE_TX1_variable_check_box_choices.iteritems())
        self._ENABLE_TX1_variable_check_box_callback = lambda i: Qt.QMetaObject.invokeMethod(_ENABLE_TX1_variable_check_box_check_box, "setChecked", Qt.Q_ARG("bool", self._ENABLE_TX1_variable_check_box_choices_inv[i]))
        self._ENABLE_TX1_variable_check_box_callback(self.ENABLE_TX1_variable_check_box)
        _ENABLE_TX1_variable_check_box_check_box.stateChanged.connect(lambda i: self.set_ENABLE_TX1_variable_check_box(self._ENABLE_TX1_variable_check_box_choices[bool(i)]))
        self.top_layout.addWidget(_ENABLE_TX1_variable_check_box_check_box)
        self.DataConversion_reint_short_float_0_3 = DataConversion.reint_short_float()
        self.DataConversion_reint_short_float_0_2_0 = DataConversion.reint_short_float()
        self.DataConversion_reint_short_float_0_2 = DataConversion.reint_short_float()
        self.DataConversion_reint_short_float_0_1_0 = DataConversion.reint_short_float()
        self.DataConversion_reint_short_float_0_1 = DataConversion.reint_short_float()
        self.DataConversion_reint_short_float_0_0_0 = DataConversion.reint_short_float()
        self.DataConversion_reint_short_float_0_0 = DataConversion.reint_short_float()
        self.DataConversion_reint_short_float_0 = DataConversion.reint_short_float()
        self.DataConversion_eaver_resynchronizer_0_0 = DataConversion.eaver_resynchronizer(1024)
        self.DataConversion_eaver_resynchronizer_0 = DataConversion.eaver_resynchronizer(decimation)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.spectsensing_compute_statistics_0, 'spec_sens_pdus'), (self.spectsensing_ss_edge_plot_0, 'pdus'))    
        self.msg_connect((self.spectsensing_ss_pds_plot_0, 'psd_pdu'), (self.spectsensing_xs_plot_1, 'pdus'))    
        self.connect((self.DataConversion_eaver_resynchronizer_0, 0), (self.spectsensing_compute_statistics_0, 0))    
        self.connect((self.DataConversion_eaver_resynchronizer_0, 1), (self.spectsensing_compute_statistics_0, 1))    
        self.connect((self.DataConversion_eaver_resynchronizer_0_0, 0), (self.spectsensing_ss_pds_plot_0, 0))    
        self.connect((self.DataConversion_eaver_resynchronizer_0_0, 1), (self.spectsensing_ss_pds_plot_0, 1))    
        self.connect((self.DataConversion_reint_short_float_0, 0), (self.DataConversion_eaver_resynchronizer_0, 0))    
        self.connect((self.DataConversion_reint_short_float_0_0, 0), (self.blocks_multiply_const_vxx_0, 0))    
        self.connect((self.DataConversion_reint_short_float_0_0_0, 0), (self.blocks_multiply_const_vxx_0_3, 0))    
        self.connect((self.DataConversion_reint_short_float_0_1, 0), (self.blocks_multiply_const_vxx_0_1_0, 0))    
        self.connect((self.DataConversion_reint_short_float_0_1_0, 0), (self.blocks_multiply_const_vxx_0_1_0_0, 0))    
        self.connect((self.DataConversion_reint_short_float_0_2, 0), (self.blocks_multiply_const_vxx_0_1, 0))    
        self.connect((self.DataConversion_reint_short_float_0_2_0, 0), (self.blocks_multiply_const_vxx_0_1_1, 0))    
        self.connect((self.DataConversion_reint_short_float_0_3, 0), (self.DataConversion_eaver_resynchronizer_0_0, 0))    
        self.connect((self.blks2_packet_decoder_1, 0), (self.blocks_char_to_float_0, 0))    
        self.connect((self.blks2_packet_decoder_1, 0), (self.blocks_udp_sink_0, 0))    
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gmsk_mod_0, 0))    
        self.connect((self.blocks_add_xx_0, 0), (self.DataConversion_eaver_resynchronizer_0, 1))    
        self.connect((self.blocks_add_xx_0_0, 0), (self.DataConversion_eaver_resynchronizer_0_0, 1))    
        self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0_0, 0))    
        self.connect((self.blocks_complex_to_float_0, 0), (self.blocks_float_to_short_0_0, 0))    
        self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_float_to_short_0_0_0, 0))    
        self.connect((self.blocks_deinterleave_0_0, 0), (self.DataConversion_reint_short_float_0, 0))    
        self.connect((self.blocks_deinterleave_0_0, 1), (self.DataConversion_reint_short_float_0_0, 0))    
        self.connect((self.blocks_deinterleave_0_0, 3), (self.DataConversion_reint_short_float_0_1, 0))    
        self.connect((self.blocks_deinterleave_0_0, 2), (self.DataConversion_reint_short_float_0_2, 0))    
        self.connect((self.blocks_deinterleave_0_0_0, 1), (self.blocks_short_to_float_0_0_0_0, 0))    
        self.connect((self.blocks_deinterleave_0_0_0, 0), (self.blocks_short_to_float_0_1_0, 0))    
        self.connect((self.blocks_deinterleave_0_0_1, 1), (self.DataConversion_reint_short_float_0_0_0, 0))    
        self.connect((self.blocks_deinterleave_0_0_1, 3), (self.DataConversion_reint_short_float_0_1_0, 0))    
        self.connect((self.blocks_deinterleave_0_0_1, 2), (self.DataConversion_reint_short_float_0_2_0, 0))    
        self.connect((self.blocks_deinterleave_0_0_1, 0), (self.DataConversion_reint_short_float_0_3, 0))    
        self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))    
        self.connect((self.blocks_float_to_complex_0_0_0, 0), (self.digital_gmsk_demod_0, 0))    
        self.connect((self.blocks_float_to_complex_0_0_0, 0), (self.qtgui_time_sink_x_0, 0))    
        self.connect((self.blocks_float_to_short_0_0, 0), (self.blocks_interleave_0, 0))    
        self.connect((self.blocks_float_to_short_0_0_0, 0), (self.blocks_interleave_0, 1))    
        self.connect((self.blocks_interleave_0, 0), (self.blocks_null_sink_0, 0))    
        self.connect((self.blocks_interleave_0, 0), (self.nutaq_rtdex_sink_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_add_xx_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0_1, 0), (self.blocks_add_xx_0, 1))    
        self.connect((self.blocks_multiply_const_vxx_0_1_0, 0), (self.blocks_add_xx_0, 2))    
        self.connect((self.blocks_multiply_const_vxx_0_1_0_0, 0), (self.blocks_add_xx_0_0, 2))    
        self.connect((self.blocks_multiply_const_vxx_0_1_1, 0), (self.blocks_add_xx_0_0, 1))    
        self.connect((self.blocks_multiply_const_vxx_0_2, 0), (self.blocks_complex_to_float_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0_3, 0), (self.blocks_add_xx_0_0, 0))    
        self.connect((self.blocks_short_to_float_0_0_0_0, 0), (self.blocks_float_to_complex_0_0_0, 1))    
        self.connect((self.blocks_short_to_float_0_1_0, 0), (self.blocks_float_to_complex_0_0_0, 0))    
        self.connect((self.blocks_throttle_0, 0), (self.blks2_packet_encoder_0, 0))    
        self.connect((self.digital_gmsk_demod_0, 0), (self.blks2_packet_decoder_1, 0))    
        self.connect((self.digital_gmsk_mod_0, 0), (self.blocks_multiply_const_vxx_0_2, 0))    
        self.connect((self.nutaq_rtdex_source_0_0_0, 0), (self.blocks_deinterleave_0_0_0, 0))    
        self.connect((self.nutaq_rtdex_source_S_S, 0), (self.blocks_deinterleave_0_0, 0))    
        self.connect((self.nutaq_rtdex_source_S_S_0, 0), (self.blocks_deinterleave_0_0_1, 0))    
        self.connect((self.spectsensing_compute_statistics_0, 0), (self.blocks_null_sink_1, 0))    
        self.connect((self.spectsensing_compute_statistics_0, 5), (self.blocks_null_sink_1_0, 0))    
        self.connect((self.spectsensing_compute_statistics_0, 2), (self.blocks_null_sink_1_1, 0))    
        self.connect((self.spectsensing_compute_statistics_0, 3), (self.blocks_null_sink_1_1_0, 0))    
        self.connect((self.spectsensing_compute_statistics_0, 4), (self.blocks_null_sink_1_2, 0))    
        self.connect((self.spectsensing_compute_statistics_0, 6), (self.blocks_null_sink_1_3, 0))    
        self.connect((self.spectsensing_compute_statistics_0, 3), (self.spectsensing_subband_selector_0, 2))    
        self.connect((self.spectsensing_compute_statistics_0, 7), (self.spectsensing_subband_selector_0, 0))    
        self.connect((self.spectsensing_compute_statistics_0, 1), (self.spectsensing_subband_selector_0, 1))    
        self.connect((self.spectsensing_subband_selector_0, 0), (self.probe, 0))    
コード例 #19
0
    def __init__(self):
        gr.top_block.__init__(self, "Sv Transmitter Gmsk")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Sv Transmitter Gmsk")
        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", "SV_transmitter_GMSK")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 800000
        self.samp_per_sym = samp_per_sym = 2
        self.car_freq = car_freq = 600000
        self.bit_per_sym = bit_per_sym = 1

        ##################################################
        # Blocks
        ##################################################
        self.uhd_usrp_sink_0_0 = uhd.usrp_sink(
        	",".join(("", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0_0.set_center_freq(car_freq, 0)
        self.uhd_usrp_sink_0_0.set_gain(0, 0)
        self.qtgui_sink_x_0_0 = qtgui.sink_c(
        	1024, #fftsize
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	0, #fc
        	samp_rate, #bw
        	"QT GUI Plot", #name
        	True, #plotfreq
        	True, #plotwaterfall
        	True, #plottime
        	True, #plotconst
        )
        self.qtgui_sink_x_0_0.set_update_time(1.0/10)
        self._qtgui_sink_x_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
        self.top_layout.addWidget(self._qtgui_sink_x_0_0_win)
        
        self.qtgui_sink_x_0_0.enable_rf_freq(False)
        
        
          
        self.digital_gmsk_mod_0 = digital.gmsk_mod(
        	samples_per_symbol=samp_per_sym,
        	bt=0.35,
        	verbose=False,
        	log=False,
        )
        self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc((0.6, ))
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "./txfifo.ogg", False)
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=samp_per_sym,
        		bits_per_symbol=bit_per_sym,
        		preamble="",
        		access_code="",
        		pad_for_usrp=True,
        	),
        	payload_length=0,
        )

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_file_source_0, 0), (self.blks2_packet_encoder_0, 0))
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gmsk_mod_0, 0))
        self.connect((self.digital_gmsk_mod_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.uhd_usrp_sink_0_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.qtgui_sink_x_0_0, 0))
コード例 #20
0
ファイル: fhss_fh.py プロジェクト: CIG-SDR/CIG
    def __init__(self, options):
        gr.top_block.__init__(self)

        
        # Setup USRP
        self.u = uhd.usrp_sink(options.args, uhd.stream_args('fc32'), "packet_len")
        if(options.spec):
            self.u.set_subdev_spec(options.spec, 0)
        if(options.antenna):
            self.u.set_antenna(options.antenna, 0)
        self.u.set_samp_rate(options.rate)
        # Gain is set in the hopper block
        if options.gain is None:
            g = self.u.get_gain_range()
            options.gain = float(g.start()+g.stop())/2.0
        print "-- Setting gain to {} dB".format(options.gain)
        r = self.u.set_center_freq(options.freq)
        if not r:
            print '[ERROR] Failed to set base frequency.'
            raise SystemExit, 1
        hopper_block = FrequencyHopperSrc(
                options.num_bursts, options.num_channels,
                options.freq_delta, options.freq,
                options.samp_per_burst, 1.0, options.hop_time / 1000.,
                options.post_tuning,
                options.gain,
                options.verbose,
        )

        ##################################################
        # Variables
        ##################################################
        self.samp_sym = samp_sym = 64
        self.samp_rate = samp_rate = 400e3
        self.registers = registers = 3
        self.init = init = 1, 1, 1, 1
        self.generator = generator = 1, 1, 0, 0, 1
        self.code_rate = code_rate = int(samp_sym * 500)


        ##################################################
        # Blocks
        ##################################################
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	",".join(("addr=192.168.10.2", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )

        self.digital_gfsk_mod_0 = digital.gfsk_mod(
        	samples_per_symbol=64,
        	sensitivity=1.0,
        	bt=0.35,
        	verbose=False,
        	log=False,
        )
        self.blocks_vector_source_x_0 = blocks.vector_source_b((0, 1, 0, 1), True, 1, [])
    
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=1,
        		bits_per_symbol=1,
        		preamble="",
        		access_code="",
        		pad_for_usrp=True,
        	),
        	payload_length=0,
        )
        self.Spread_synthesizer_0 = Spread.synthesizer(code_rate, 9000, samp_rate, (generator), (init))


        self.connect(self.blocks_vector_source_x_0, self.blks2_packet_encoder_0, self.digital_gfsk_mod_0, self.Spread_synthesizer_0, hopper_block, self.u)
コード例 #21
0
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="Video Transmitter")
        _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Variables
        ##################################################
        self.variable_slider_0 = variable_slider_0 = 4900e6
        self.signal = signal = 5000
        self.samp_rate = samp_rate = 90000
        self.rfgain = rfgain = 0
        self.freq = freq = 12e6

        ##################################################
        # Blocks
        ##################################################
        self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
            self.GetWin(),
            baseband_freq=90e6,
            y_per_div=10,
            y_divs=10,
            ref_level=0,
            ref_scale=2.0,
            sample_rate=samp_rate,
            fft_size=1024,
            fft_rate=15,
            average=False,
            avg_alpha=None,
            title="FFT Plot",
            peak_hold=False,
        )
        self.Add(self.wxgui_fftsink2_0.win)
        _variable_slider_0_sizer = wx.BoxSizer(wx.VERTICAL)
        self._variable_slider_0_text_box = forms.text_box(
            parent=self.GetWin(),
            sizer=_variable_slider_0_sizer,
            value=self.variable_slider_0,
            callback=self.set_variable_slider_0,
            label="freq_slider",
            converter=forms.float_converter(),
            proportion=0,
        )
        self._variable_slider_0_slider = forms.slider(
            parent=self.GetWin(),
            sizer=_variable_slider_0_sizer,
            value=self.variable_slider_0,
            callback=self.set_variable_slider_0,
            minimum=2450e6,
            maximum=5000e6,
            num_steps=10,
            style=wx.SL_HORIZONTAL,
            cast=float,
            proportion=1,
        )
        self.Add(_variable_slider_0_sizer)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
            device_addr="", stream_args=uhd.stream_args(cpu_format="fc32", otw_format="sc16", channels=range(1))
        )
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(90e6, 0)
        self.uhd_usrp_sink_0.set_gain(15, 0)
        self.uhd_usrp_sink_0.set_antenna("J2", 0)
        _signal_sizer = wx.BoxSizer(wx.VERTICAL)
        self._signal_text_box = forms.text_box(
            parent=self.GetWin(),
            sizer=_signal_sizer,
            value=self.signal,
            callback=self.set_signal,
            label="signal",
            converter=forms.float_converter(),
            proportion=0,
        )
        self._signal_slider = forms.slider(
            parent=self.GetWin(),
            sizer=_signal_sizer,
            value=self.signal,
            callback=self.set_signal,
            minimum=0,
            maximum=32e6,
            num_steps=100,
            style=wx.SL_HORIZONTAL,
            cast=float,
            proportion=1,
        )
        self.Add(_signal_sizer)
        _rfgain_sizer = wx.BoxSizer(wx.VERTICAL)
        self._rfgain_text_box = forms.text_box(
            parent=self.GetWin(),
            sizer=_rfgain_sizer,
            value=self.rfgain,
            callback=self.set_rfgain,
            label="rfgain",
            converter=forms.float_converter(),
            proportion=0,
        )
        self._rfgain_slider = forms.slider(
            parent=self.GetWin(),
            sizer=_rfgain_sizer,
            value=self.rfgain,
            callback=self.set_rfgain,
            minimum=0,
            maximum=50,
            num_steps=100,
            style=wx.SL_HORIZONTAL,
            cast=float,
            proportion=1,
        )
        self.Add(_rfgain_sizer)
        self.digital_ofdm_mod_0 = grc_blks2.packet_mod_b(
            digital.ofdm_mod(
                options=grc_blks2.options(
                    modulation="qpsk",
                    fft_length=512,
                    occupied_tones=200,
                    cp_length=128,
                    pad_for_usrp=True,
                    log=None,
                    verbose=None,
                )
            ),
            payload_length=0,
        )
        self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_char * 1, 512e3, True)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((500,))
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char * 1, "/home/ece775/video1.ts", True)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.uhd_usrp_sink_0, 0))
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.wxgui_fftsink2_0, 0))
        self.connect((self.blocks_throttle_0_0, 0), (self.digital_ofdm_mod_0, 0))
        self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0_0, 0))
        self.connect((self.digital_ofdm_mod_0, 0), (self.blocks_multiply_const_vxx_0, 0))
コード例 #22
0
ファイル: fhss_tx.py プロジェクト: CIG-SDR/CIG
    def __init__(self):
        grc_wxgui.top_block_gui.__init__(self, title="FHSS transmit")
        _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Variables
        ##################################################
        self.samp_sym = samp_sym = 64
        self.tx_freq = tx_freq = 2.414e9
        self.samp_rate = samp_rate = 400e3
        self.registers = registers = 3
        self.init = init = 1, 1, 1, 1
        self.generator = generator = 1, 1, 0, 0, 1
        self.code_rate = code_rate = int(samp_sym * 500)

        ##################################################
        # Blocks
        ##################################################
        self._tx_freq_chooser = forms.drop_down(
        	parent=self.GetWin(),
        	value=self.tx_freq,
        	callback=self.set_tx_freq,
        	label="tx_freq",
        	choices=[2414000000, 2432000000, 2450000000, 2468000000],
        	labels=[1,2,3,4],
        )
        self.Add(self._tx_freq_chooser)
        self.uhd_usrp_sink_0 = uhd.usrp_sink(
        	",".join(("addr=192.168.10.2", "")),
        	uhd.stream_args(
        		cpu_format="fc32",
        		channels=range(1),
        	),
        )
        self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
        self.uhd_usrp_sink_0.set_center_freq(tx_freq, 0)
        self.uhd_usrp_sink_0.set_gain(20, 0)
        self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
        self.uhd_usrp_sink_0.set_bandwidth(1.125e6, 0)
        self.digital_gfsk_mod_0 = digital.gfsk_mod(
        	samples_per_symbol=64,
        	sensitivity=1.0,
        	bt=0.35,
        	verbose=False,
        	log=False,
        )
        self.blocks_vector_source_x_0 = blocks.vector_source_b((0, 1, 0, 1), True, 1, [])
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=1,
        		bits_per_symbol=1,
        		preamble="",
        		access_code="",
        		pad_for_usrp=True,
        	),
        	payload_length=0,
        )
        self.Spread_synthesizer_0 = Spread.synthesizer(code_rate, 9000, samp_rate, (generator), (init))

        ##################################################
        # Connections
        ##################################################
        self.connect((self.Spread_synthesizer_0, 0), (self.uhd_usrp_sink_0, 0))    
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gfsk_mod_0, 0))    
        self.connect((self.blocks_vector_source_x_0, 0), (self.blks2_packet_encoder_0, 0))    
        self.connect((self.digital_gfsk_mod_0, 0), (self.Spread_synthesizer_0, 0))    
コード例 #23
0
    from grc_gnuradio import blks2 as grc_blks2
    from gr_blocks.utils import UHDSourceDummy
    from gnuradio import digital
    from channels import AWGNChannel
    from opera import cyclo_detector
    from utils import Logger

    Logger._ch_status = 1

    modulator = grc_blks2.packet_mod_b(digital.ofdm_mod(
			    options=grc_blks2.options(
				    modulation="bpsk",
				    fft_length=512,
				    occupied_tones=200,
				    cp_length=128,
				    pad_for_usrp=True,
				    log=None,
				    verbose=None,
				    ),
			    ),
        	payload_length=0,
        )

    src = UHDSourceDummy(modulator=modulator)

    the_source = AWGNChannel(component=src)

    from sensing import CycloSSArch
    from sensing import CycloDecision

    cyclo_fam = CycloSSArch(Np, P, L)
コード例 #24
0
    def __init__(self):
        gr.top_block.__init__(self, "Perseus Spectrum Sensing")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Perseus Spectrum Sensing")
        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", "perseus_withFPGAdecimation")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.samp_rate = samp_rate = 20e6
        self.packet_size = packet_size = 8192
        self.oversampling = oversampling = 4
        self.nfft = nfft = 2**15
        self.decimation = decimation = 40
        self.amplitude = amplitude = 0.125
        self.RF_freq = RF_freq = 943e6
        self.PSD_averaging = PSD_averaging = 600

        ##################################################
        # Blocks
        ##################################################
        self.spectsensing_xs_plot_1 = spectsensing.xs_plot("")
        self._spectsensing_xs_plot_1_win = self.spectsensing_xs_plot_1;
        self.top_layout.addWidget(self._spectsensing_xs_plot_1_win)
        self.spectsensing_ss_pds_plot_0 = spectsensing.ss_pds_plot(nfft, samp_rate, 1024 )
        self.nutaq_rtdex_source_S_S_0 = nutaq.rtdex_source("nutaq_carrier_perseus_TX",gr.sizeof_short,1,0)
        self.nutaq_rtdex_source_S_S_0.set_type(0)
        self.nutaq_rtdex_source_S_S_0.set_packet_size(1300)
        self.nutaq_rtdex_source_S_S_0.set_channels("0")
        self.nutaq_rtdex_source_0_0_0 = nutaq.rtdex_source("nutaq_carrier_perseus_TX",gr.sizeof_short,1,7)
        self.nutaq_rtdex_source_0_0_0.set_type(0)
        self.nutaq_rtdex_source_0_0_0.set_packet_size(packet_size)
        self.nutaq_rtdex_source_0_0_0.set_channels("2")
        (self.nutaq_rtdex_source_0_0_0).set_min_output_buffer(16384)
        self.nutaq_rtdex_sink_0 = nutaq.rtdex_sink("nutaq_carrier_perseus_TX",gr.sizeof_short,1,7)
        self.nutaq_rtdex_sink_0.set_type(0)
        self.nutaq_rtdex_sink_0.set_packet_size(packet_size)
        self.nutaq_rtdex_sink_0.set_channels("1")
        self.nutaq_radio420_tx_0_0 = nutaq.radio420_tx("nutaq_carrier_perseus_TX", 2, 1)
        self.nutaq_radio420_tx_0_0.set_default_enable(1)
        self.nutaq_radio420_tx_0_0.set_default_tx_freq(RF_freq)
        self.nutaq_radio420_tx_0_0.set_default_reference(1)
        self.nutaq_radio420_tx_0_0.set_default_datarate(samp_rate*2)
        self.nutaq_radio420_tx_0_0.set_default_calibrate(1)
        self.nutaq_radio420_tx_0_0.set_default_band(0)
        self.nutaq_radio420_tx_0_0.set_default_update_rate(1)
        self.nutaq_radio420_tx_0_0.set_default_tx_vga1_gain(-10)
        self.nutaq_radio420_tx_0_0.set_default_tx_vga2_gain(15)
        self.nutaq_radio420_tx_0_0.set_default_tx_gain3(3)
        self.nutaq_radio420_tx_0_0.set_default_tx_lpf_bandwidth(2)
        self.nutaq_radio420_tx_0_0.set_default_ref_clk_ctrl(0)
        self.nutaq_radio420_tx_0_0.set_default_rf_ctrl(0)
        self.nutaq_radio420_tx_0_0.set_default_tx_gain_ctrl(0)
        self.nutaq_radio420_tx_0_0.set_default_pll_cpld_ctrl(0)
          
        self.nutaq_radio420_tx_0 = nutaq.radio420_tx("nutaq_carrier_perseus_TX", 1, 0)
        self.nutaq_radio420_tx_0.set_default_enable(1)
        self.nutaq_radio420_tx_0.set_default_tx_freq(RF_freq)
        self.nutaq_radio420_tx_0.set_default_reference(0)
        self.nutaq_radio420_tx_0.set_default_datarate(samp_rate*2)
        self.nutaq_radio420_tx_0.set_default_calibrate(1)
        self.nutaq_radio420_tx_0.set_default_band(0)
        self.nutaq_radio420_tx_0.set_default_update_rate(1)
        self.nutaq_radio420_tx_0.set_default_tx_vga1_gain(-4)
        self.nutaq_radio420_tx_0.set_default_tx_vga2_gain(15)
        self.nutaq_radio420_tx_0.set_default_tx_gain3(14)
        self.nutaq_radio420_tx_0.set_default_tx_lpf_bandwidth(2)
        self.nutaq_radio420_tx_0.set_default_ref_clk_ctrl(0)
        self.nutaq_radio420_tx_0.set_default_rf_ctrl(0)
        self.nutaq_radio420_tx_0.set_default_tx_gain_ctrl(0)
        self.nutaq_radio420_tx_0.set_default_pll_cpld_ctrl(0)
          
        self.nutaq_radio420_rx_0_0 = nutaq.radio420_rx("nutaq_carrier_perseus_TX", 2, 3)
        self.nutaq_radio420_rx_0_0.set_default_enable(1)
        self.nutaq_radio420_rx_0_0.set_default_rx_freq(RF_freq)
        self.nutaq_radio420_rx_0_0.set_default_reference(1)
        self.nutaq_radio420_rx_0_0.set_default_datarate(samp_rate*2)
        self.nutaq_radio420_rx_0_0.set_default_calibrate(1)
        self.nutaq_radio420_rx_0_0.set_default_band(0)
        self.nutaq_radio420_rx_0_0.set_default_update_rate(1)
        self.nutaq_radio420_rx_0_0.set_default_rx_lna_gain(2)
        self.nutaq_radio420_rx_0_0.set_default_rx_vga1_gain(2)
        self.nutaq_radio420_rx_0_0.set_default_rx_gain2(0)
        self.nutaq_radio420_rx_0_0.set_default_rx_gain3(-8)
        self.nutaq_radio420_rx_0_0.set_default_rx_rf_filter(2)
        self.nutaq_radio420_rx_0_0.set_default_rx_lpf_bandwidth(2)
        self.nutaq_radio420_rx_0_0.set_default_ref_clk_ctrl(0)
        self.nutaq_radio420_rx_0_0.set_default_rf_ctrl(0)
        self.nutaq_radio420_rx_0_0.set_default_rx_gain_ctrl(0)
        self.nutaq_radio420_rx_0_0.set_default_pll_cpld_ctrl(0)
          
        self.nutaq_radio420_rx_0 = nutaq.radio420_rx("nutaq_carrier_perseus_TX", 1, 2)
        self.nutaq_radio420_rx_0.set_default_enable(1)
        self.nutaq_radio420_rx_0.set_default_rx_freq(RF_freq)
        self.nutaq_radio420_rx_0.set_default_reference(0)
        self.nutaq_radio420_rx_0.set_default_datarate(samp_rate*2)
        self.nutaq_radio420_rx_0.set_default_calibrate(1)
        self.nutaq_radio420_rx_0.set_default_band(0)
        self.nutaq_radio420_rx_0.set_default_update_rate(1)
        self.nutaq_radio420_rx_0.set_default_rx_lna_gain(2)
        self.nutaq_radio420_rx_0.set_default_rx_vga1_gain(2)
        self.nutaq_radio420_rx_0.set_default_rx_gain2(0)
        self.nutaq_radio420_rx_0.set_default_rx_gain3(-8)
        self.nutaq_radio420_rx_0.set_default_rx_rf_filter(2)
        self.nutaq_radio420_rx_0.set_default_rx_lpf_bandwidth(2)
        self.nutaq_radio420_rx_0.set_default_ref_clk_ctrl(0)
        self.nutaq_radio420_rx_0.set_default_rf_ctrl(0)
        self.nutaq_radio420_rx_0.set_default_rx_gain_ctrl(0)
        self.nutaq_radio420_rx_0.set_default_pll_cpld_ctrl(0)
          
        self.nutaq_custom_register_0_1_1 = nutaq.custom_register("nutaq_carrier_perseus_TX",9)
        self.nutaq_custom_register_0_1_1.set_index(6)
        self.nutaq_custom_register_0_1_1.set_default_value(PSD_averaging)
        self.nutaq_custom_register_0_1_1.set_update_rate(1)
          
        self.nutaq_custom_register_0_1_0 = nutaq.custom_register("nutaq_carrier_perseus_TX",7)
        self.nutaq_custom_register_0_1_0.set_index(2)
        self.nutaq_custom_register_0_1_0.set_update_rate(1)
          
        self.nutaq_custom_register_0_1 = nutaq.custom_register("nutaq_carrier_perseus_TX",36)
        self.nutaq_custom_register_0_1.set_index(0)
        self.nutaq_custom_register_0_1.set_update_rate(1)
          
        self.nutaq_custom_register_0_0_0 = nutaq.custom_register("nutaq_carrier_perseus_TX",8)
        self.nutaq_custom_register_0_0_0.set_index(3)
        self.nutaq_custom_register_0_0_0.set_default_value(7)
        self.nutaq_custom_register_0_0_0.set_update_rate(1)
          
        self.nutaq_custom_register_0_0 = nutaq.custom_register("nutaq_carrier_perseus_TX",5)
        self.nutaq_custom_register_0_0.set_index(4)
        self.nutaq_custom_register_0_0.set_default_value(1)
        self.nutaq_custom_register_0_0.set_update_rate(1)
          
        self.nutaq_custom_register_0 = nutaq.custom_register("nutaq_carrier_perseus_TX",4)
        self.nutaq_custom_register_0.set_index(1)
        self.nutaq_custom_register_0.set_default_value(3)
        self.nutaq_custom_register_0.set_update_rate(1)
          
        self.nutaq_carrier_perseus_TX = nutaq.carrier(0,"nutaq_carrier_perseus_TX", "192.168.0.101")
        self.digital_gmsk_mod_0 = digital.gmsk_mod(
        	samples_per_symbol=oversampling,
        	bt=0.71,
        	verbose=False,
        	log=False,
        )
        self.digital_gmsk_demod_0 = digital.gmsk_demod(
        	samples_per_symbol=oversampling,
        	gain_mu=0.175,
        	mu=0.5,
        	omega_relative_limit=0.005,
        	freq_error=0.0,
        	verbose=False,
        	log=False,
        )
        self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_char*1, "192.168.0.100", 1234, 1472, True)
        self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, 2*4e3 + 0*samp_rate/40/(oversampling*8*2),True)
        self.blocks_short_to_float_0_1_0 = blocks.short_to_float(1, 2**11)
        self.blocks_short_to_float_0_0_0_0 = blocks.short_to_float(1, 2**11)
        self.blocks_multiply_const_vxx_0_3 = blocks.multiply_const_vff((2.0**(16*2), ))
        self.blocks_multiply_const_vxx_0_2 = blocks.multiply_const_vcc((amplitude, ))
        self.blocks_multiply_const_vxx_0_1_1 = blocks.multiply_const_vff((2.0**(16*0), ))
        self.blocks_multiply_const_vxx_0_1_0_0 = blocks.multiply_const_vff((2.0**(16*1), ))
        self.blocks_interleave_0 = blocks.interleave(gr.sizeof_short*1, 1)
        self.blocks_float_to_short_0_0_0 = blocks.float_to_short(1, 2**11-1)
        self.blocks_float_to_short_0_0 = blocks.float_to_short(1, 2**11-1)
        self.blocks_float_to_complex_0_0_0 = blocks.float_to_complex(1)
        self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/juan/Music/de_mi.mp3", True)
        self.blocks_deinterleave_0_0_1 = blocks.deinterleave(gr.sizeof_short*1, 1)
        self.blocks_deinterleave_0_0_0 = blocks.deinterleave(gr.sizeof_short*1, 1)
        self.blocks_complex_to_float_0 = blocks.complex_to_float(1)
        self.blocks_add_xx_0_0 = blocks.add_vff(1)
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
        		samples_per_symbol=2,
        		bits_per_symbol=8,
        		preamble="",
        		access_code="",
        		pad_for_usrp=True,
        	),
        	payload_length=128,
        )
        self.blks2_packet_decoder_1 = grc_blks2.packet_demod_b(grc_blks2.packet_decoder(
        		access_code="",
        		threshold=-1,
        		callback=lambda ok, payload: self.blks2_packet_decoder_1.recv_pkt(ok, payload),
        	),
        )
        self.DataConversion_reint_short_float_0_3 = DataConversion.reint_short_float()
        self.DataConversion_reint_short_float_0_2_0 = DataConversion.reint_short_float()
        self.DataConversion_reint_short_float_0_1_0 = DataConversion.reint_short_float()
        self.DataConversion_reint_short_float_0_0_0 = DataConversion.reint_short_float()
        self.DataConversion_eaver_resynchronizer_0_0 = DataConversion.eaver_resynchronizer(1024)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.spectsensing_ss_pds_plot_0, 'psd_pdu'), (self.spectsensing_xs_plot_1, 'pdus'))    
        self.connect((self.DataConversion_eaver_resynchronizer_0_0, 0), (self.spectsensing_ss_pds_plot_0, 0))    
        self.connect((self.DataConversion_eaver_resynchronizer_0_0, 1), (self.spectsensing_ss_pds_plot_0, 1))    
        self.connect((self.DataConversion_reint_short_float_0_0_0, 0), (self.blocks_multiply_const_vxx_0_3, 0))    
        self.connect((self.DataConversion_reint_short_float_0_1_0, 0), (self.blocks_multiply_const_vxx_0_1_0_0, 0))    
        self.connect((self.DataConversion_reint_short_float_0_2_0, 0), (self.blocks_multiply_const_vxx_0_1_1, 0))    
        self.connect((self.DataConversion_reint_short_float_0_3, 0), (self.DataConversion_eaver_resynchronizer_0_0, 0))    
        self.connect((self.blks2_packet_decoder_1, 0), (self.blocks_udp_sink_0, 0))    
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gmsk_mod_0, 0))    
        self.connect((self.blocks_add_xx_0_0, 0), (self.DataConversion_eaver_resynchronizer_0_0, 1))    
        self.connect((self.blocks_complex_to_float_0, 0), (self.blocks_float_to_short_0_0, 0))    
        self.connect((self.blocks_complex_to_float_0, 1), (self.blocks_float_to_short_0_0_0, 0))    
        self.connect((self.blocks_deinterleave_0_0_0, 1), (self.blocks_short_to_float_0_0_0_0, 0))    
        self.connect((self.blocks_deinterleave_0_0_0, 0), (self.blocks_short_to_float_0_1_0, 0))    
        self.connect((self.blocks_deinterleave_0_0_1, 1), (self.DataConversion_reint_short_float_0_0_0, 0))    
        self.connect((self.blocks_deinterleave_0_0_1, 3), (self.DataConversion_reint_short_float_0_1_0, 0))    
        self.connect((self.blocks_deinterleave_0_0_1, 2), (self.DataConversion_reint_short_float_0_2_0, 0))    
        self.connect((self.blocks_deinterleave_0_0_1, 0), (self.DataConversion_reint_short_float_0_3, 0))    
        self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))    
        self.connect((self.blocks_float_to_complex_0_0_0, 0), (self.digital_gmsk_demod_0, 0))    
        self.connect((self.blocks_float_to_short_0_0, 0), (self.blocks_interleave_0, 0))    
        self.connect((self.blocks_float_to_short_0_0_0, 0), (self.blocks_interleave_0, 1))    
        self.connect((self.blocks_interleave_0, 0), (self.nutaq_rtdex_sink_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0_1_0_0, 0), (self.blocks_add_xx_0_0, 2))    
        self.connect((self.blocks_multiply_const_vxx_0_1_1, 0), (self.blocks_add_xx_0_0, 1))    
        self.connect((self.blocks_multiply_const_vxx_0_2, 0), (self.blocks_complex_to_float_0, 0))    
        self.connect((self.blocks_multiply_const_vxx_0_3, 0), (self.blocks_add_xx_0_0, 0))    
        self.connect((self.blocks_short_to_float_0_0_0_0, 0), (self.blocks_float_to_complex_0_0_0, 1))    
        self.connect((self.blocks_short_to_float_0_1_0, 0), (self.blocks_float_to_complex_0_0_0, 0))    
        self.connect((self.blocks_throttle_0, 0), (self.blks2_packet_encoder_0, 0))    
        self.connect((self.digital_gmsk_demod_0, 0), (self.blks2_packet_decoder_1, 0))    
        self.connect((self.digital_gmsk_mod_0, 0), (self.blocks_multiply_const_vxx_0_2, 0))    
        self.connect((self.nutaq_rtdex_source_0_0_0, 0), (self.blocks_deinterleave_0_0_0, 0))    
        self.connect((self.nutaq_rtdex_source_S_S_0, 0), (self.blocks_deinterleave_0_0_1, 0))    
コード例 #25
0
ファイル: tx.py プロジェクト: jm-/voiz
    def __init__(   self,
                    carrier,
                    sideband,
                    transition,
                    sps,
                    interpolation,
                    looutdev):

        gr.top_block.__init__(self, "Transmit block")

        ##################################################
        # Variables
        ##################################################
        self.samp_rate = SAMPLE_RATE

        self.carrier = carrier
        self.sideband = sideband
        self.transition = transition
        self.sps = sps
        self.interpolation = interpolation

        ##################################################
        # Blocks
        ##################################################
        self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
                interpolation=interpolation,
                decimation=1,
                taps=None,
                fractional_bw=None,
        )
        self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, (firdes.band_pass (0.50,SAMPLE_RATE,carrier-sideband,carrier+sideband,transition)), -carrier, SAMPLE_RATE)
        self.digital_gfsk_mod_0 = digital.gfsk_mod(
            samples_per_symbol=sps,
            sensitivity=1.0,
            bt=0.35,
            verbose=False,
            log=False,
        )
        self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
        self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
                samples_per_symbol=sps,
                bits_per_symbol=1,
                preamble="",
                access_code="",
                pad_for_usrp=False,
            ),
            payload_length=PAYLOAD_LEN,
        )
        self.audio_sink_0 = audio.sink(SAMPLE_RATE, looutdev, True)

        self.source_queue = gr.msg_queue()
        self.msg_source = blocks.message_source(gr.sizeof_char, self.source_queue)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.msg_source, 0), (self.blks2_packet_encoder_0, 0))
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gfsk_mod_0, 0))
        self.connect((self.digital_gfsk_mod_0, 0), (self.rational_resampler_xxx_0, 0))
        self.connect((self.rational_resampler_xxx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
        self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blocks_complex_to_real_0, 0))
        self.connect((self.blocks_complex_to_real_0, 0), (self.audio_sink_0, 0))
コード例 #26
0
ファイル: top_block.py プロジェクト: eroen/radiokom
	def __init__(self):
		grc_wxgui.top_block_gui.__init__(self, title="Top Block")
		_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
		self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

		##################################################
		# Variables
		##################################################
		self.samp_rate = samp_rate = 8*2**10
		self.nsps_mod = nsps_mod = 4
		self.noise = noise = .1
		self.freq_off = freq_off = 0
		self.ebw_mod = ebw_mod = 0.35

		##################################################
		# Notebooks
		##################################################
		self.n0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
		self.n0.AddPage(grc_wxgui.Panel(self.n0), "tab1")
		self.n0.AddPage(grc_wxgui.Panel(self.n0), "tab2")
		self.n0.AddPage(grc_wxgui.Panel(self.n0), "tab3")
		self.Add(self.n0)

		##################################################
		# Controls
		##################################################
		_nsps_mod_sizer = wx.BoxSizer(wx.VERTICAL)
		self._nsps_mod_text_box = forms.text_box(
			parent=self.GetWin(),
			sizer=_nsps_mod_sizer,
			value=self.nsps_mod,
			callback=self.set_nsps_mod,
			label="Samples per symbol for DPSK modulator",
			converter=forms.int_converter(),
			proportion=0,
		)
		self._nsps_mod_slider = forms.slider(
			parent=self.GetWin(),
			sizer=_nsps_mod_sizer,
			value=self.nsps_mod,
			callback=self.set_nsps_mod,
			minimum=2,
			maximum=32,
			num_steps=31,
			style=wx.SL_HORIZONTAL,
			cast=int,
			proportion=1,
		)
		self.Add(_nsps_mod_sizer)
		_noise_sizer = wx.BoxSizer(wx.VERTICAL)
		self._noise_text_box = forms.text_box(
			parent=self.GetWin(),
			sizer=_noise_sizer,
			value=self.noise,
			callback=self.set_noise,
			label="Noise",
			converter=forms.float_converter(),
			proportion=0,
		)
		self._noise_slider = forms.slider(
			parent=self.GetWin(),
			sizer=_noise_sizer,
			value=self.noise,
			callback=self.set_noise,
			minimum=0,
			maximum=1,
			num_steps=100,
			style=wx.SL_HORIZONTAL,
			cast=float,
			proportion=1,
		)
		self.Add(_noise_sizer)
		_freq_off_sizer = wx.BoxSizer(wx.VERTICAL)
		self._freq_off_text_box = forms.text_box(
			parent=self.GetWin(),
			sizer=_freq_off_sizer,
			value=self.freq_off,
			callback=self.set_freq_off,
			label="Freq Offset",
			converter=forms.float_converter(),
			proportion=0,
		)
		self._freq_off_slider = forms.slider(
			parent=self.GetWin(),
			sizer=_freq_off_sizer,
			value=self.freq_off,
			callback=self.set_freq_off,
			minimum=-.5,
			maximum=.5,
			num_steps=1000,
			style=wx.SL_HORIZONTAL,
			cast=float,
			proportion=1,
		)
		self.Add(_freq_off_sizer)
		_ebw_mod_sizer = wx.BoxSizer(wx.VERTICAL)
		self._ebw_mod_text_box = forms.text_box(
			parent=self.GetWin(),
			sizer=_ebw_mod_sizer,
			value=self.ebw_mod,
			callback=self.set_ebw_mod,
			label="Excess BW for DPSK modulator",
			converter=forms.float_converter(),
			proportion=0,
		)
		self._ebw_mod_slider = forms.slider(
			parent=self.GetWin(),
			sizer=_ebw_mod_sizer,
			value=self.ebw_mod,
			callback=self.set_ebw_mod,
			minimum=00.01,
			maximum=10.00,
			num_steps=10*100-1,
			style=wx.SL_HORIZONTAL,
			cast=float,
			proportion=1,
		)
		self.Add(_ebw_mod_sizer)

		##################################################
		# Blocks
		##################################################
		self.blks2_dxpsk2_mod_0 = blks2.dqpsk2_mod(
			samples_per_symbol=nsps_mod,
			excess_bw=ebw_mod,
			gray_code=True,
			verbose=False,
			log=False,
		)
		self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
				samples_per_symbol=1,
				bits_per_symbol=1,
				access_code="",
				pad_for_usrp=True,
			),
			payload_length=0,
		)
		self.gr_agc2_xx_0 = gr.agc2_cc(1e-1, 1e-2, 1.0, 1.0, 1e3)
		self.gr_channel_model_0 = gr.channel_model(
			noise_voltage=noise,
			frequency_offset=freq_off,
			epsilon=1.0,
			taps=(16.0, ),
			noise_seed=42,
		)
		self.gr_throttle_1_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate*nsps_mod*8)
		self.random_source_x_0 = gr.vector_source_b(map(int, numpy.random.randint(0, 2, 1000)), True)
		self.wxgui_constellationsink2_0 = constsink_gl.const_sink_c(
			self.n0.GetPage(1).GetWin(),
			title="Constellation Plot",
			sample_rate=samp_rate*8*nsps_mod/2,
			frame_rate=5,
			const_size=512,
			M=4,
			theta=0,
			alpha=0.005,
			fmax=0.5,
			mu=0.5,
			gain_mu=0.005,
			symbol_rate=samp_rate*8/2,
			omega_limit=0.005,
		)
		self.n0.GetPage(1).Add(self.wxgui_constellationsink2_0.win)

		##################################################
		# Connections
		##################################################
		self.connect((self.blks2_packet_encoder_0, 0), (self.blks2_dxpsk2_mod_0, 0))
		self.connect((self.random_source_x_0, 0), (self.blks2_packet_encoder_0, 0))
		self.connect((self.gr_channel_model_0, 0), (self.gr_agc2_xx_0, 0))
		self.connect((self.gr_throttle_1_0, 0), (self.wxgui_constellationsink2_0, 0))
		self.connect((self.blks2_dxpsk2_mod_0, 0), (self.gr_channel_model_0, 0))
		self.connect((self.gr_agc2_xx_0, 0), (self.gr_throttle_1_0, 0))
コード例 #27
0
ファイル: mpsk_stage1.py プロジェクト: CIG-SDR/CIG
    def __init__(self):
        gr.top_block.__init__(self, "Mpsk Stage1")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Mpsk Stage1")
        try:
             self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
        except:
             pass
        self.top_scroll_layout = Qt.QVBoxLayout()
        self.setLayout(self.top_scroll_layout)
        self.top_scroll = Qt.QScrollArea()
        self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
        self.top_scroll_layout.addWidget(self.top_scroll)
        self.top_scroll.setWidgetResizable(True)
        self.top_widget = Qt.QWidget()
        self.top_scroll.setWidget(self.top_widget)
        self.top_layout = Qt.QVBoxLayout(self.top_widget)
        self.top_grid_layout = Qt.QGridLayout()
        self.top_layout.addLayout(self.top_grid_layout)

        self.settings = Qt.QSettings("GNU Radio", "mpsk_stage1")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


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

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

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_random_source_x_0, 0), (self.blks2_packet_encoder_0, 0))    
        self.connect((self.blks2_packet_encoder_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))    
        self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.digital_crc32_bb_0, 0))    
        self.connect((self.digital_constellation_modulator_0, 0), (self.uhd_usrp_sink_0, 0))    
        self.connect((self.digital_crc32_bb_0, 0), (self.digital_constellation_modulator_0, 0))    
コード例 #28
0
ファイル: top_block.py プロジェクト: chends888/CamFisComp
    def __init__(self):
        gr.top_block.__init__(self, "Top Block")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Top Block")
        qtgui.util.check_set_qss()
        try:
            self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
        except:
            pass
        self.top_scroll_layout = Qt.QVBoxLayout()
        self.setLayout(self.top_scroll_layout)
        self.top_scroll = Qt.QScrollArea()
        self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
        self.top_scroll_layout.addWidget(self.top_scroll)
        self.top_scroll.setWidgetResizable(True)
        self.top_widget = Qt.QWidget()
        self.top_scroll.setWidget(self.top_widget)
        self.top_layout = Qt.QVBoxLayout(self.top_widget)
        self.top_grid_layout = Qt.QGridLayout()
        self.top_layout.addLayout(self.top_grid_layout)

        self.settings = Qt.QSettings("GNU Radio", "top_block")

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

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

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


        ##################################################
        # Blocks
        ##################################################
        self._fc_slider_range = Range(0, 18200, 200, 2200, 150)
        self._fc_slider_win = RangeWidget(self._fc_slider_range, self.set_fc_slider, 'fc', "counter_slider", float)
        self.top_layout.addWidget(self._fc_slider_win)
        self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f(
        	1024, #size
        	firdes.WIN_BLACKMAN_hARRIS, #wintype
        	0, #fc
        	samp_rate, #bw
        	"", #name
        	1 #number of inputs
        )
        self.qtgui_freq_sink_x_0.set_update_time(0.10)
        self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
        self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
        self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
        self.qtgui_freq_sink_x_0.enable_autoscale(False)
        self.qtgui_freq_sink_x_0.enable_grid(False)
        self.qtgui_freq_sink_x_0.set_fft_average(1.0)
        self.qtgui_freq_sink_x_0.enable_axis_labels(True)
        self.qtgui_freq_sink_x_0.enable_control_panel(False)

        if not True:
          self.qtgui_freq_sink_x_0.disable_legend()

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

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

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

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
        self.connect((self.blks2_packet_encoder_0, 0), (self.blocks_char_to_float_0, 0))
        self.connect((self.blks2_packet_encoder_0, 0), (self.digital_constellation_modulator_0, 0))
        self.connect((self.blks2_tcp_source_0, 0), (self.blks2_packet_encoder_0, 0))
        self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_freq_sink_x_0, 0))
        self.connect((self.blocks_complex_to_real_1, 0), (self.audio_sink_0, 0))
        self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_complex_to_real_1, 0))
        self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_multiply_xx_0, 0))
コード例 #29
0
	def __init__(self, tx_gain, samps_per_sym, pay_len, freq, samp_rate, ampl, file_source):
		gr.hier_block2.__init__(self, "transmit_path",
				gr.io_signature(0, 0, 0), # Input signature
				gr.io_signature(0, 0, 0)) # Output signature

		##################################################
		# Variables
		##################################################
		self.file_source = file_source
		self.tx_gain = tx_gain
		self.samps_per_sym = samps_per_sym
		self.samp_rate = samp_rate
		self.pay_len = pay_len
		self.freq = freq
		self.ampl = ampl


		##################################################
		# Blocks
		##################################################
		self.uhd_usrp_sink_0 = uhd.usrp_sink(
			device_addr="",
			stream_args=uhd.stream_args(
				cpu_format="fc32",
				channels=range(1),
			),
		)
		self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
		self.uhd_usrp_sink_0.set_center_freq(freq, 0)
		self.uhd_usrp_sink_0.set_gain(tx_gain, 0)


		self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
				interpolation=125,
				decimation=4,
				taps=None,
				fractional_bw=None,
		)

		self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
				samples_per_symbol=samps_per_sym,
				bits_per_symbol=1,
				preamble="",
				access_code="",
				pad_for_usrp=True,
			),
			payload_length=pay_len,
		)

		self.digital_dxpsk_mod_0 = digital.dbpsk_mod(
			samples_per_symbol=samps_per_sym,
			excess_bw=0.35,
			mod_code="gray",
			verbose=False,
			log=False)

		self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((ampl, ))

		self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, file_source, False)

		##################################################
		# Connections
		##################################################
		self.connect((self.digital_dxpsk_mod_0, 0), (self.rational_resampler_xxx_0,0))
		self.connect((self.rational_resampler_xxx_0,0),(self.blocks_multiply_const_vxx_0,0))
		self.connect((self.blocks_file_source_0, 0), (self.blks2_packet_encoder_0, 0))
		self.connect((self.blks2_packet_encoder_0, 0), (self.digital_dxpsk_mod_0, 0))
		self.connect((self.blocks_multiply_const_vxx_0, 0), (self.uhd_usrp_sink_0, 0))
コード例 #30
0
	def __init__(self):
		grc_wxgui.top_block_gui.__init__(self, title="Simulated Sender GUI")

		##################################################
		# Variables
		##################################################
		self.samp_rate = samp_rate = 32000
		self.noise_voltage = noise_voltage = 0.01
		self.mult_const = mult_const = 1

		##################################################
		# Controls
		##################################################
		_noise_voltage_sizer = wx.BoxSizer(wx.VERTICAL)
		self._noise_voltage_text_box = forms.text_box(
			parent=self.GetWin(),
			sizer=_noise_voltage_sizer,
			value=self.noise_voltage,
			callback=self.set_noise_voltage,
			label="Noise Voltage",
			converter=forms.float_converter(),
			proportion=0,
		)
		self._noise_voltage_slider = forms.slider(
			parent=self.GetWin(),
			sizer=_noise_voltage_sizer,
			value=self.noise_voltage,
			callback=self.set_noise_voltage,
			minimum=0,
			maximum=1,
			num_steps=100,
			style=wx.SL_HORIZONTAL,
			cast=float,
			proportion=1,
		)
		self.Add(_noise_voltage_sizer)
		self._mult_const_text_box = forms.text_box(
			parent=self.GetWin(),
			value=self.mult_const,
			callback=self.set_mult_const,
			label="Multiplication Const",
			converter=forms.float_converter(),
		)
		self.Add(self._mult_const_text_box)

		##################################################
		# Blocks
		##################################################
		self.blks2_ofdm_mod_0 = grc_blks2.packet_mod_b(blks2.ofdm_mod(
				options=grc_blks2.options(
					modulation="bpsk",
					fft_length=512,
					occupied_tones=200,
					cp_length=128,
					pad_for_usrp=True,
					log=None,
					verbose=None,
				),
			),
			payload_length=512,
		)
		self.gr_channel_model_0 = gr.channel_model(
			noise_voltage=noise_voltage,
			frequency_offset=0.0,
			epsilon=1.0,
			taps=(1.0 + 1.0j, ),
			noise_seed=42,
		)
		self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc((mult_const, ))
		self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate)
		self.random_source_x_0 = gr.vector_source_b(map(int, numpy.random.randint(0, 256, 512)), True)
		self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
			self.GetWin(),
			baseband_freq=0,
			y_per_div=10,
			y_divs=10,
			ref_level=50,
			sample_rate=samp_rate,
			fft_size=256,
			fft_rate=30,
			average=True,
			avg_alpha=0.1,
			title="FFT Plot",
			peak_hold=False,
		)
		self.Add(self.wxgui_fftsink2_0.win)

		##################################################
		# Connections
		##################################################
		self.connect((self.gr_throttle_0, 0), (self.wxgui_fftsink2_0, 0))
		self.connect((self.gr_channel_model_0, 0), (self.gr_throttle_0, 0))
		self.connect((self.gr_multiply_const_vxx_0, 0), (self.gr_channel_model_0, 0))
		self.connect((self.random_source_x_0, 0), (self.blks2_ofdm_mod_0, 0))
		self.connect((self.blks2_ofdm_mod_0, 0), (self.gr_multiply_const_vxx_0, 0))