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))