def test001_module_load(self): data = (8, 24, 40, 56, 72, 88, 104, 120, 132, 148, 164, 180, 196, 212, 228, 244, 260, 276, 292, 308, 324, 340) src = blocks.vector_source_s(data) enc = vocoder.ulaw_encode_sb() dec = vocoder.ulaw_decode_bs() snk = blocks.vector_sink_s() self.tb.connect(src, enc, dec, snk) self.tb.run() actual_result = snk.data() self.assertEqual(data, actual_result)
def test001_module_load (self): data = (8,24,40,56,72,88,104,120,132,148,164,180, 196,212,228,244,260,276,292,308,324,340) src = blocks.vector_source_s(data) enc = vocoder.ulaw_encode_sb() dec = vocoder.ulaw_decode_bs() snk = blocks.vector_sink_s() self.tb.connect(src, enc, dec, snk) self.tb.run() actual_result = snk.data() self.assertEqual(data, actual_result)
def build_graph(): tb = gr.top_block() src = audio.source(8000) src_scale = gr.multiply_const_ff(32767) f2s = gr.float_to_short () enc = vocoder.ulaw_encode_sb() dec = vocoder.ulaw_decode_bs() s2f = gr.short_to_float () sink_scale = gr.multiply_const_ff(1.0/32767.) sink = audio.sink(8000) tb.connect(src, src_scale, f2s, enc, dec, s2f, sink_scale, sink) return tb
def __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 = 400000 self.preamble = preamble = [ -0.70711 + 0.70711j, 0.70711 - 0.70711j, -0.70711 + 0.70711j, 0.70711 + 0.70711j, 0.70711 - 0.70711j, 0.70711 - 0.70711j, -0.70711 + 0.70711j, -0.70711 + 0.70711j, -0.70711 - 0.70711j, -0.70711 - 0.70711j, 0.70711 - 0.70711j, 0.70711 + 0.70711j, -0.70711 + 0.70711j, 0.70711 - 0.70711j, 0.70711 - 0.70711j, -0.70711 + 0.70711j, -0.70711 + 0.70711j, 0.70711 + 0.70711j, 0.70711 + 0.70711j, 0.70711 + 0.70711j, -0.70711 - 0.70711j, -0.70711 + 0.70711j, -0.70711 + 0.70711j, -0.70711 - 0.70711j, -0.70711 - 0.70711j, 0.70711 - 0.70711j, 0.70711 + 0.70711j, -0.70711 - 0.70711j, -0.70711 - 0.70711j, 0.70711 - 0.70711j, 0.70711 + 0.70711j, -0.70711 - 0.70711j, 0.70711 + 0.70711j, 0.70711 + 0.70711j, 0.70711 - 0.70711j, -0.70711 + 0.70711j, 0.70711 + 0.70711j, -0.70711 - 0.70711j, 0.70711 - 0.70711j, 0.70711 + 0.70711j] self.audio_rate = audio_rate = 8000 self.audio_interp = audio_interp = 2 self.voice_gain = voice_gain = 0 self.tau = tau = 75e-6 self.rx_channel = rx_channel = 110 self.quadrature_rate = quadrature_rate = audio_rate*audio_interp self.qpsk_constellation = qpsk_constellation = digital.constellation_calcdist(([(sqrt(2)/2)+(sqrt(2)/2)*1j,-(sqrt(2)/2)+(sqrt(2)/2)*1j,(sqrt(2)/2)-(sqrt(2)/2)*1j,-(sqrt(2)/2)-(sqrt(2)/2)*1j]), (digital.psk_4()[1]), 4, 1).base() self.qpsk_constellation.gen_soft_dec_lut(8) self.preamble_size = preamble_size = len(preamble) self.poly_taps = poly_taps = firdes.low_pass(2.0, samp_rate, 20000, 1000, firdes.WIN_HAMMING, 6.76) self.payload_size = payload_size = 100 self.num_channels = num_channels = 4 self.max_deviation = max_deviation = 3500 self.guard_size = guard_size = 10 self.codec_rate = codec_rate = 64000 self.bpsk_rate = bpsk_rate = 400000 ################################################## # Blocks ################################################## self._voice_gain_range = Range(0, 2, 0.01, 0, 200) self._voice_gain_win = RangeWidget(self._voice_gain_range, self.set_voice_gain, "voice_gain", "counter_slider", float) self.top_layout.addWidget(self._voice_gain_win) self.tab2 = Qt.QTabWidget() self.tab2_widget_0 = Qt.QWidget() self.tab2_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab2_widget_0) self.tab2_grid_layout_0 = Qt.QGridLayout() self.tab2_layout_0.addLayout(self.tab2_grid_layout_0) self.tab2.addTab(self.tab2_widget_0, "Preamble Correlation") self.tab2_widget_1 = Qt.QWidget() self.tab2_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab2_widget_1) self.tab2_grid_layout_1 = Qt.QGridLayout() self.tab2_layout_1.addLayout(self.tab2_grid_layout_1) self.tab2.addTab(self.tab2_widget_1, "Received Analog Voice") self.top_grid_layout.addWidget(self.tab2, 1,1,1,1) self._rx_channel_options = (110, 110*2, 110*3, 0, ) self._rx_channel_labels = ("0", "1", "2", "3", ) self._rx_channel_group_box = Qt.QGroupBox("rx_channel") self._rx_channel_box = Qt.QHBoxLayout() class variable_chooser_button_group(Qt.QButtonGroup): def __init__(self, parent=None): Qt.QButtonGroup.__init__(self, parent) @pyqtSlot(int) def updateButtonChecked(self, button_id): self.button(button_id).setChecked(True) self._rx_channel_button_group = variable_chooser_button_group() self._rx_channel_group_box.setLayout(self._rx_channel_box) for i, label in enumerate(self._rx_channel_labels): radio_button = Qt.QRadioButton(label) self._rx_channel_box.addWidget(radio_button) self._rx_channel_button_group.addButton(radio_button, i) self._rx_channel_callback = lambda i: Qt.QMetaObject.invokeMethod(self._rx_channel_button_group, "updateButtonChecked", Qt.Q_ARG("int", self._rx_channel_options.index(i))) self._rx_channel_callback(self.rx_channel) self._rx_channel_button_group.buttonClicked[int].connect( lambda i: self.set_rx_channel(self._rx_channel_options[i])) self.top_layout.addWidget(self._rx_channel_group_box) self.vocoder_ulaw_decode_bs_0 = vocoder.ulaw_decode_bs() self.uhd_usrp_source_0 = uhd.usrp_source( ",".join(("serial=309AF9C", "")), uhd.stream_args( cpu_format="fc32", channels=range(1), ), ) self.uhd_usrp_source_0.set_samp_rate(samp_rate) self.uhd_usrp_source_0.set_center_freq(433e6, 0) self.uhd_usrp_source_0.set_gain(5, 0) self.uhd_usrp_source_0.set_antenna("TX/RX", 0) self.root_raised_cosine_filter_1 = filter.fir_filter_ccf(2, firdes.root_raised_cosine( 1, bpsk_rate, bpsk_rate/2, 0.35, 101)) self.qtgui_time_sink_x_0 = qtgui.time_sink_c( 1024, #size bpsk_rate/2, #samp_rate "Preamble Correlation", #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, False) 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(True) self.qtgui_time_sink_x_0.enable_grid(False) self.qtgui_time_sink_x_0.enable_control_panel(False) if not False: self.qtgui_time_sink_x_0.disable_legend() labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "blue"] styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(2*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.tab2_layout_0.addWidget(self._qtgui_time_sink_x_0_win) self.qtgui_time_raster_sink_x_0_0 = qtgui.time_raster_sink_b( codec_rate, 100, (guard_size+payload_size)*num_channels, ([]), ([]), "Received TDM Frame", 1, ) self.qtgui_time_raster_sink_x_0_0.set_update_time(0.10) self.qtgui_time_raster_sink_x_0_0.set_intensity_range(-1, 1) self.qtgui_time_raster_sink_x_0_0.enable_grid(False) labels = ["", "", "", "", "", "", "", "", "", ""] colors = [2, 0, 0, 0, 0, 0, 0, 0, 0, 0] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_time_raster_sink_x_0_0.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_time_raster_sink_x_0_0.set_line_label(i, labels[i]) self.qtgui_time_raster_sink_x_0_0.set_color_map(i, colors[i]) self.qtgui_time_raster_sink_x_0_0.set_line_alpha(i, alphas[i]) self._qtgui_time_raster_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_raster_sink_x_0_0.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_time_raster_sink_x_0_0_win, 1,2,1,1) self.qtgui_freq_sink_x_3 = qtgui.freq_sink_f( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc audio_rate, #bw "Received Analog Voice", #name 1 #number of inputs ) self.qtgui_freq_sink_x_3.set_update_time(0.10) self.qtgui_freq_sink_x_3.set_y_axis(-140, 10) self.qtgui_freq_sink_x_3.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_3.enable_autoscale(False) self.qtgui_freq_sink_x_3.enable_grid(False) self.qtgui_freq_sink_x_3.set_fft_average(1.0) self.qtgui_freq_sink_x_3.enable_control_panel(False) if not False: self.qtgui_freq_sink_x_3.disable_legend() if float == type(float()): self.qtgui_freq_sink_x_3.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_3.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_3.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_3.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_3.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_3.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_3_win = sip.wrapinstance(self.qtgui_freq_sink_x_3.pyqwidget(), Qt.QWidget) self.tab2_layout_1.addWidget(self._qtgui_freq_sink_x_3_win) self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c( 1024, #size firdes.WIN_BLACKMAN_hARRIS, #wintype 0, #fc samp_rate, #bw "Received Spectrum", #name 1 #number of inputs ) self.qtgui_freq_sink_x_1.set_update_time(0.10) self.qtgui_freq_sink_x_1.set_y_axis(-140, 10) self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "") self.qtgui_freq_sink_x_1.enable_autoscale(False) self.qtgui_freq_sink_x_1.enable_grid(False) self.qtgui_freq_sink_x_1.set_fft_average(1.0) self.qtgui_freq_sink_x_1.enable_control_panel(False) if not False: self.qtgui_freq_sink_x_1.disable_legend() if complex == type(float()): self.qtgui_freq_sink_x_1.set_plot_pos_half(not True) labels = ["", "", "", "", "", "", "", "", "", ""] widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] colors = ["blue", "red", "green", "black", "cyan", "magenta", "yellow", "dark red", "dark green", "dark blue"] alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0] for i in xrange(1): if len(labels[i]) == 0: self.qtgui_freq_sink_x_1.set_line_label(i, "Data {0}".format(i)) else: self.qtgui_freq_sink_x_1.set_line_label(i, labels[i]) self.qtgui_freq_sink_x_1.set_line_width(i, widths[i]) self.qtgui_freq_sink_x_1.set_line_color(i, colors[i]) self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i]) self._qtgui_freq_sink_x_1_win = sip.wrapinstance(self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget) self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_1_win, 0,0,1,1) self.digital_map_bb_0_0 = digital.map_bb((digital.psk_4()[1])) self.digital_corr_est_cc_0 = digital.corr_est_cc((preamble), 1, 0, 0.15) self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(qpsk_constellation) self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2) self.blocks_tagged_stream_align_0 = blocks.tagged_stream_align(gr.sizeof_gr_complex*1, "corr_start") self.blocks_short_to_float_0 = blocks.short_to_float(1, 2000) self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8) self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((voice_gain, )) self.blocks_keep_m_in_n_1 = blocks.keep_m_in_n(gr.sizeof_char, payload_size, num_channels*(payload_size+guard_size), rx_channel) self.blocks_keep_m_in_n_0 = blocks.keep_m_in_n(gr.sizeof_gr_complex, num_channels*(payload_size+guard_size)/2, num_channels*(payload_size+guard_size)/2 + preamble_size, preamble_size) self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, 2*(num_channels*(payload_size+guard_size)/2+preamble_size)-1) self.audio_sink_0 = audio.sink(8000, "", True) ################################################## # Connections ################################################## self.connect((self.blocks_delay_0, 0), (self.blocks_keep_m_in_n_0, 0)) self.connect((self.blocks_keep_m_in_n_0, 0), (self.digital_constellation_decoder_cb_0_0, 0)) self.connect((self.blocks_keep_m_in_n_1, 0), (self.vocoder_ulaw_decode_bs_0, 0)) self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0)) self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_keep_m_in_n_1, 0)) self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.qtgui_time_raster_sink_x_0_0, 0)) self.connect((self.blocks_short_to_float_0, 0), (self.blocks_multiply_const_vxx_0, 0)) self.connect((self.blocks_short_to_float_0, 0), (self.qtgui_freq_sink_x_3, 0)) self.connect((self.blocks_tagged_stream_align_0, 0), (self.blocks_delay_0, 0)) self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_0, 0)) self.connect((self.digital_constellation_decoder_cb_0_0, 0), (self.digital_map_bb_0_0, 0)) self.connect((self.digital_corr_est_cc_0, 0), (self.blocks_tagged_stream_align_0, 0)) self.connect((self.digital_corr_est_cc_0, 1), (self.qtgui_time_sink_x_0, 0)) self.connect((self.digital_map_bb_0_0, 0), (self.blocks_unpack_k_bits_bb_0, 0)) self.connect((self.root_raised_cosine_filter_1, 0), (self.digital_corr_est_cc_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_freq_sink_x_1, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.root_raised_cosine_filter_1, 0)) self.connect((self.vocoder_ulaw_decode_bs_0, 0), (self.blocks_short_to_float_0, 0))