예제 #1
0
    def test_ri16_to_ri8(self):

        path = self.make_file("test_source", "ri16", 1)

        # expected
        expected_source = sigmf.source(path, "ri16", False)
        convert = blocks.short_to_char(1)
        expected_sink = blocks.vector_sink_b(1)

        # actual
        actual_source = sigmf.source(path, "ri8", False)
        actual_sink = blocks.vector_sink_b(1)

        tb1 = gr.top_block()
        tb1.connect(expected_source, convert)
        tb1.connect(convert, expected_sink)
        tb1.run()
        tb1.wait()

        tb2 = gr.top_block()
        tb2.connect(actual_source, actual_sink)
        tb2.run()
        tb2.wait()

        e = expected_sink.data()
        a = actual_sink.data()
        np.testing.assert_almost_equal(e, a)
예제 #2
0
    def __init__(self, filename, dev_addrs,
                 onebit, gain, digital_gain, fs, fc, sync_pps):
        gr.top_block.__init__(self)

        if onebit:
            raise NotImplementedError("TODO: 1-bit mode not implemented.")
        
        uhd_srcs = [
            uhd.usrp_source(",".join(
                [addr, "num_recv_frames=256,recv_frame_size=16384"]),
                          uhd.stream_args(
                              cpu_format="fc32",
                              otwformat="sc16",
                              channels=[0]))
            for addr in dev_addrs]

        str2vec = blocks.streams_to_vector(2, len(uhd_srcs))
        self.connect(str2vec,
                     blocks.stream_to_vector(2 * len(uhd_srcs), 16*1024*1024),
                     blocks.file_sink(2 * len(uhd_srcs) * 16 * 1024 * 1024, filename, False))
        
        for ix, src in enumerate(uhd_srcs):
            src.set_clock_rate(fs*2, uhd.ALL_MBOARDS)
            src.set_samp_rate(fs)
            src.set_center_freq(uhd.tune_request(fc, 3e6))
            src.set_gain(gain, 0)
            # TODO Use offset tuning?
            if sync_pps:
                src.set_clock_source("external") # 10 MHz
                src.set_time_source("external") # PPS

            self.connect(src,  # [-1.0, 1.0]
                         blocks.multiply_const_cc(32767 * digital_gain[ix]), # [-32767.0, 32767.0]
                         blocks.complex_to_interleaved_short(), #[-32768, 32767]
                         blocks.short_to_char(), #[-128, 127]
                         blocks.stream_to_vector(1, 2), # I,Q,I,Q -> IQ, IQ
                         (str2vec, ix))

        print "Setting clocks..."
        if sync_pps:
            time.sleep(1.1) # Ensure there's been an edge.  TODO: necessary?
            last_pps_time = uhd_srcs[0].get_time_last_pps()
            while last_pps_time == uhd_srcs[0].get_time_last_pps():
                time.sleep(0.1)
            print "Got edge"
            [src.set_time_next_pps(uhd.time_spec(round(time.time())+1)) for src in uhd_srcs]
            time.sleep(1.0) # Wait for edge to set the clocks
        else:
            # No external PPS/10 MHz.  Just set each clock and accept some skew.
            t = time.time()
            [src.set_time_now(uhd.time_spec(time.time())) for src in uhd_srcs]
            if len(uhd_srcs) > 1:
                print "Uncabled; loosely synced only. Initial skew ~ %.1f ms" % (
                    (time.time()-t) * 1000)

        t_start = uhd.time_spec(time.time() + 1.5)
        [src.set_start_time(t_start) for src in uhd_srcs]
        print "ready"
예제 #3
0
 def test_short_to_char(self):
     src_data = (256, 512, 768, 1024, 1280)
     expected_data = (1, 2, 3, 4, 5)
     src = blocks.vector_source_s(src_data)
     op = blocks.short_to_char()
     dst = blocks.vector_sink_b()
     self.tb.connect(src, op, dst)
     self.tb.run()
     self.assertEqual(expected_data, dst.data())
예제 #4
0
 def test_short_to_char(self):
     src_data = (256, 512, 768, 1024, 1280)
     expected_data = (1, 2, 3, 4, 5)
     src = blocks.vector_source_s(src_data)
     op = blocks.short_to_char()
     dst = blocks.vector_sink_b()
     self.tb.connect(src, op, dst)
     self.tb.run()
     self.assertEqual(expected_data, dst.data())
예제 #5
0
def short_to_char(N):
    op = blocks.short_to_char()
    tb = helper(N, op, gr.sizeof_short, gr.sizeof_char, 1, 1)
    return tb
예제 #6
0
def short_to_char(N):
    op = blocks.short_to_char()
    tb = helper(N, op, gr.sizeof_short, gr.sizeof_char, 1, 1)
    return tb
예제 #7
0
    def __init__(self):
        gr.top_block.__init__(self, "Top Block")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Top Block")
        try:
             self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
        except:
             pass
        self.top_scroll_layout = Qt.QVBoxLayout()
        self.setLayout(self.top_scroll_layout)
        self.top_scroll = Qt.QScrollArea()
        self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
        self.top_scroll_layout.addWidget(self.top_scroll)
        self.top_scroll.setWidgetResizable(True)
        self.top_widget = Qt.QWidget()
        self.top_scroll.setWidget(self.top_widget)
        self.top_layout = Qt.QVBoxLayout(self.top_widget)
        self.top_grid_layout = Qt.QGridLayout()
        self.top_layout.addLayout(self.top_grid_layout)

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


        ##################################################
        # Variables
        ##################################################
        self.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))    
예제 #8
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 = 32000
        self.centfreq = centfreq = 433.903e6

        ##################################################
        # Blocks
        ##################################################
        _centfreq_sizer = wx.BoxSizer(wx.VERTICAL)
        self._centfreq_text_box = forms.text_box(
        	parent=self.GetWin(),
        	sizer=_centfreq_sizer,
        	value=self.centfreq,
        	callback=self.set_centfreq,
        	label='centrefreq',
        	converter=forms.float_converter(),
        	proportion=0,
        )
        self._centfreq_slider = forms.slider(
        	parent=self.GetWin(),
        	sizer=_centfreq_sizer,
        	value=self.centfreq,
        	callback=self.set_centfreq,
        	minimum=433.780e6,
        	maximum=433.936e6,
        	num_steps=500,
        	style=wx.SL_HORIZONTAL,
        	cast=float,
        	proportion=1,
        )
        self.Add(_centfreq_sizer)
        self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
        	self.GetWin(),
        	title='Scope Plot',
        	sample_rate=4e3,
        	v_scale=0.5,
        	v_offset=0,
        	t_scale=0.05,
        	ac_couple=False,
        	xy_mode=False,
        	num_inputs=1,
        	trig_mode=wxgui.TRIG_MODE_FREE,
        	y_axis_label='Counts',
        )
        self.Add(self.wxgui_scopesink2_0.win)
        self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + '' )
        self.rtlsdr_source_0.set_sample_rate(2e6)
        self.rtlsdr_source_0.set_center_freq(centfreq, 0)
        self.rtlsdr_source_0.set_freq_corr(0, 0)
        self.rtlsdr_source_0.set_dc_offset_mode(2, 0)
        self.rtlsdr_source_0.set_iq_balance_mode(2, 0)
        self.rtlsdr_source_0.set_gain_mode(False, 0)
        self.rtlsdr_source_0.set_gain(45, 0)
        self.rtlsdr_source_0.set_if_gain(10, 0)
        self.rtlsdr_source_0.set_bb_gain(20, 0)
        self.rtlsdr_source_0.set_antenna('', 0)
        self.rtlsdr_source_0.set_bandwidth(2000e3, 0)
          
        self.low_pass_filter_1 = filter.fir_filter_fff(5, firdes.low_pass(
        	1, 40e3, 6e2, 2e2, firdes.WIN_HAMMING, 6.76))
        self.low_pass_filter_0 = filter.fir_filter_ccf(50, firdes.low_pass(
        	1, 2e6, 19.5e3, 500, firdes.WIN_HAMMING, 6.76))
        self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(32*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.005)
        self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
        self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_char*1, '127.0.0.1', 5267, 30, True)
        self.blocks_short_to_char_0 = blocks.short_to_char(1)
        self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((5, ))
        self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
        self.blocks_char_to_short_0 = blocks.char_to_short(1)
        self.blocks_add_const_vxx_1 = blocks.add_const_vss((19455, ))
        self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1.9, ))

        ##################################################
        # Connections
        ##################################################
        self.connect((self.blocks_add_const_vxx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))    
        self.connect((self.blocks_add_const_vxx_0, 0), (self.wxgui_scopesink2_0, 0))    
        self.connect((self.blocks_add_const_vxx_1, 0), (self.blocks_short_to_char_0, 0))    
        self.connect((self.blocks_char_to_short_0, 0), (self.blocks_add_const_vxx_1, 0))    
        self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.low_pass_filter_1, 0))    
        self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_add_const_vxx_0, 0))    
        self.connect((self.blocks_short_to_char_0, 0), (self.blocks_udp_sink_0, 0))    
        self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_char_to_short_0, 0))    
        self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0))    
        self.connect((self.low_pass_filter_0, 0), (self.blocks_complex_to_mag_squared_0, 0))    
        self.connect((self.low_pass_filter_1, 0), (self.blocks_multiply_const_vxx_0, 0))    
        self.connect((self.rtlsdr_source_0, 0), (self.low_pass_filter_0, 0))