def test_framer_deframer(self):
"""Connects an HDLC framer to a deframer and sends PDUs through"""
framer = hdlc_framer(100, 20)
deframer = hdlc_deframer(True, 10000)
pdu2tag = blocks.pdu_to_tagged_stream(blocks.byte_t)
dbg = blocks.message_debug()
self.tb.connect(pdu2tag, deframer)
self.tb.msg_connect((framer, 'out'), (pdu2tag, 'pdus'))
self.tb.msg_connect((deframer, 'out'), (dbg, 'store'))
test_size = 150
test_number_frames = 7
test_data = [
bytes(np.random.randint(0, 256, test_size, dtype='uint8'))
for _ in range(test_number_frames)
]
for td in test_data:
test_frame = pmt.cons(pmt.PMT_NIL,
pmt.init_u8vector(test_size, list(td)))
framer.to_basic_block()._post(pmt.intern('in'), test_frame)
framer.to_basic_block()._post(
pmt.intern('system'), pmt.cons(pmt.intern('done'),
pmt.from_long(1)))
self.tb.start()
self.tb.wait()
for j, td in enumerate(test_data):
result_data = bytes(
pmt.u8vector_elements(pmt.cdr(dbg.get_message(j))))
self.assertEqual(
td, result_data,
'HDLC deframer output does not match expected frame')
def __init__(self):
gr.top_block.__init__(self, "Quetzal-1 Receiver")
##################################################
# Variables
##################################################
self.symb_rate = symb_rate = 4800
self.samp_rate = samp_rate = 48000
self.samp_per_sym = samp_per_sym = int(samp_rate/symb_rate)
self.log = log = 0
self.homedir = homedir = ""
self.hhmmss = hhmmss = ""
self.gain_mu = gain_mu = 0.175*3
self.filename_raw_beacon = filename_raw_beacon = ""
self.filename_parsed_beacon = filename_parsed_beacon = ""
self.filename_image_metadata = filename_image_metadata = ""
self.filename_image = filename_image = ""
self.do_once = do_once = 0
self.data_rate = data_rate = 4800
self.count = count = 0
self.center_freq = center_freq = 437.2e6
##################################################
# Blocks
##################################################
self.zeromq_pub_sink_0 = zeromq.pub_sink(gr.sizeof_char, 1, 'tcp://127.0.0.1:1502', 100, False, -1)
self.satellites_strip_ax25_header_0 = satellites.strip_ax25_header()
self.satellites_nrzi_decode_0 = satellites.nrzi_decode()
self.satellites_hdlc_deframer_0 = satellites.hdlc_deframer(check_fcs=True, max_length=10000)
self.quetzal1_parse = quetzal1_parse.quetzal1_parse(filename_parsed_beacon='', filename_raw_beacon='')
self.low_pass_filter_0_0 = filter.fir_filter_fff(1, firdes.low_pass(
1, 48000, 2400, 2000, firdes.WIN_HAMMING, 6.76))
self.digital_descrambler_bb_0 = digital.descrambler_bb(0x21, 0, 16)
self.digital_clock_recovery_mm_xx_0_0 = digital.clock_recovery_mm_ff(10, 0.25*gain_mu*gain_mu, 0.5, gain_mu, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_wavfile_source_0 = blocks.wavfile_source('/home/dan/Documents/repos/gr-quetzal1/recordings/example_beacon_quetzal1.wav', False)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, samp_rate,True)
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((5, ))
self.blocks_add_const_vxx_0 = blocks.add_const_vff((0, ))
##################################################
# Connections
##################################################
self.msg_connect((self.satellites_hdlc_deframer_0, 'out'), (self.satellites_strip_ax25_header_0, 'in'))
self.msg_connect((self.satellites_strip_ax25_header_0, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.msg_connect((self.satellites_strip_ax25_header_0, 'out'), (self.quetzal1_parse, 'in'))
self.connect((self.blocks_add_const_vxx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.low_pass_filter_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.zeromq_pub_sink_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_wavfile_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.satellites_nrzi_decode_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_descrambler_bb_0, 0), (self.satellites_hdlc_deframer_0, 0))
self.connect((self.low_pass_filter_0_0, 0), (self.digital_clock_recovery_mm_xx_0_0, 0))
self.connect((self.satellites_nrzi_decode_0, 0), (self.digital_descrambler_bb_0, 0))
def __init__(self):
gr.top_block.__init__(self, "OPS-SAT UHF demodulator/decoder")
Qt.QWidget.__init__(self)
self.setWindowTitle("OPS-SAT UHF demodulator/decoder")
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", "os_demod_decode")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 57600
self.baud_rate = baud_rate = 9600
self.gaussian_taps = gaussian_taps = firdes.gaussian(
1.5, 2 * (samp_rate / baud_rate), 0.5, 12)
self.gain_mu = gain_mu = 0.175
##################################################
# Blocks
##################################################
self.zeromq_sub_source_0 = zeromq.sub_source(gr.sizeof_gr_complex, 1,
'tcp://127.0.0.1:5555',
100, False, -1)
self.zeromq_pub_sink_0 = zeromq.pub_sink(gr.sizeof_char, 1,
'tcp://127.0.0.1:38211', 100,
False, -1)
self.satellites_strip_ax25_header_0 = satellites.strip_ax25_header()
self.satellites_nrzi_decode_0 = satellites.nrzi_decode()
self.satellites_hdlc_deframer_0_0 = satellites.hdlc_deframer(
check_fcs=True, max_length=1000)
self.satellites_decode_rs_0 = satellites.decode_rs(True, 0)
self.satellites_check_address_0 = satellites.check_address(
'DP0OPS', "from")
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
512, #size
firdes.WIN_HAMMING, #wintype
0, #fc
samp_rate, #bw
"OPS-SAT UHF BEACON", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.03)
self.qtgui_waterfall_sink_x_0.enable_grid(False)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 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_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-140, 10)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
512, #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(0.1)
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 "complex" == "float" or "complex" == "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_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.fir_filter_xxx_0 = filter.fir_filter_fff(1, (gaussian_taps))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.digital_descrambler_bb_0_0 = digital.descrambler_bb(0x21, 0, 16)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
(samp_rate / baud_rate) * (1 + 0.0), 0.25 * gain_mu * gain_mu, 0.5,
gain_mu, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.digital_additive_scrambler_bb_0_0 = digital.additive_scrambler_bb(
0xA9,
0xFF,
7,
count=0,
bits_per_byte=1,
reset_tag_key="packet_len")
self.blocks_unpacked_to_packed_xx_0_0_0_0 = blocks.unpacked_to_packed_bb(
1, gr.GR_MSB_FIRST)
self.blocks_tagged_stream_to_pdu_0_0_0_0_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, 'packet_len')
self.blocks_pdu_to_tagged_stream_1 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(
1, gr.GR_MSB_FIRST)
self.blocks_message_debug_0 = blocks.message_debug()
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(
2 * (samp_rate / baud_rate) / (math.pi))
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0_0_0, 'pdus'),
(self.satellites_decode_rs_0, 'in'))
self.msg_connect((self.satellites_check_address_0, 'ok'),
(self.satellites_strip_ax25_header_0, 'in'))
self.msg_connect((self.satellites_decode_rs_0, 'out'),
(self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.satellites_decode_rs_0, 'out'),
(self.blocks_pdu_to_tagged_stream_1, 'pdus'))
self.msg_connect((self.satellites_hdlc_deframer_0_0, 'out'),
(self.satellites_check_address_0, 'in'))
self.msg_connect((self.satellites_strip_ax25_header_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.fir_filter_xxx_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0),
(self.digital_additive_scrambler_bb_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_1, 0),
(self.zeromq_pub_sink_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0_0_0_0, 0),
(self.blocks_tagged_stream_to_pdu_0_0_0_0_0, 0))
self.connect((self.digital_additive_scrambler_bb_0_0, 0),
(self.blocks_unpacked_to_packed_xx_0_0_0_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satellites_nrzi_decode_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_descrambler_bb_0_0, 0),
(self.satellites_hdlc_deframer_0_0, 0))
self.connect((self.fir_filter_xxx_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.satellites_nrzi_decode_0, 0),
(self.digital_descrambler_bb_0_0, 0))
self.connect((self.zeromq_sub_source_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.zeromq_sub_source_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.zeromq_sub_source_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
def __init__(self):
gr.hier_block2.__init__(
self,
"PW-Sat2 Demodulator",
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
gr.io_signature(0, 0, 0),
)
self.message_port_register_hier_out("frames")
Qt.QWidget.__init__(self)
self.top_layout = Qt.QVBoxLayout()
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.setLayout(self.top_layout)
##################################################
# Variables
##################################################
self.symb_rate = symb_rate = 1200
self.samp_per_sym = samp_per_sym = 10
self.samp_rate = samp_rate = symb_rate * samp_per_sym
self.frequency_offset = frequency_offset = -20e3
self.decimation = decimation = 16
self.bpsk = bpsk = digital.constellation_calcdist(([-1, 1]), ([0, 1]),
2, 1).base()
self.alpha = alpha = 0.5
##################################################
# Blocks
##################################################
self._frequency_offset_range = Range(-40e3, 40e3, 10, -20e3, 200)
self._frequency_offset_win = RangeWidget(self._frequency_offset_range,
self.set_frequency_offset,
'Frequency Offset',
"counter_slider", float)
self.top_grid_layout.addWidget(self._frequency_offset_win)
self._decimation_options = (
16,
8,
4,
2,
)
self._decimation_labels = (
'1200',
'2400',
'4800',
'9600',
)
self._decimation_tool_bar = Qt.QToolBar(self)
self._decimation_tool_bar.addWidget(Qt.QLabel('Symbol Rate' + ": "))
self._decimation_combo_box = Qt.QComboBox()
self._decimation_tool_bar.addWidget(self._decimation_combo_box)
for label in self._decimation_labels:
self._decimation_combo_box.addItem(label)
self._decimation_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._decimation_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._decimation_options.index(i)))
self._decimation_callback(self.decimation)
self._decimation_combo_box.currentIndexChanged.connect(
lambda i: self.set_decimation(self._decimation_options[i]))
self.top_grid_layout.addWidget(self._decimation_tool_bar)
self._alpha_range = Range(0, 1, 1e-3, 0.5, 200)
self._alpha_win = RangeWidget(self._alpha_range, self.set_alpha,
"alpha", "counter_slider", float)
self.top_grid_layout.addWidget(self._alpha_win)
self.satellites_nrzi_decode_0 = satellites.nrzi_decode()
self.satellites_hdlc_deframer_0 = satellites.hdlc_deframer(
check_fcs=True, max_length=10000)
self.root_raised_cosine_filter_0_0 = filter.fir_filter_ccf(
1, firdes.root_raised_cosine(1, samp_rate, symb_rate, alpha, 300))
self.qtgui_waterfall_sink_x_1 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
192000, #bw
"", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_1.set_update_time(0.10)
self.qtgui_waterfall_sink_x_1.enable_grid(False)
self.qtgui_waterfall_sink_x_1.enable_axis_labels(True)
if not True:
self.qtgui_waterfall_sink_x_1.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_1.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
colors = [0, 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_waterfall_sink_x_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_1.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_1.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_1.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_1.set_intensity_range(-140, 10)
self._qtgui_waterfall_sink_x_1_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_1_win)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #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_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(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):
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_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
192000, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0,
0, "")
self.qtgui_freq_sink_x_0_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_0.enable_grid(False)
self.qtgui_freq_sink_x_0_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0_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_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_0_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
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 "complex" == "float" or "complex" == "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_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
128, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0.enable_autoscale(False)
self.qtgui_const_sink_x_0.enable_grid(False)
self.qtgui_const_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "red", "red", "red", "red", "red", "red", "red",
"red"
]
styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, 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_const_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
1, (firdes.low_pass(1, 192000, 40000, 1000)), frequency_offset,
192000)
self.fractional_resampler_xx_0 = filter.fractional_resampler_cc(
0, decimation)
self.digital_symbol_sync_xx_0 = digital.symbol_sync_cc(
digital.TED_ZERO_CROSSING, samp_per_sym, 0.045, 1.0, 1, 0.1, 1,
digital.constellation_bpsk().base(), digital.IR_MMSE_8TAP, 128,
([]))
self.digital_descrambler_bb_0_1 = digital.descrambler_bb(
0x21, 0x00, 16)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(0.1, 2, False)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
bpsk)
self.analog_agc_xx_0 = analog.agc_cc(1e-3, 1, 1.0)
self.analog_agc_xx_0.set_max_gain(30)
##################################################
# Connections
##################################################
self.msg_connect((self.satellites_hdlc_deframer_0, 'out'),
(self, 'frames'))
self.connect((self.analog_agc_xx_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_descrambler_bb_0_1, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.root_raised_cosine_filter_0_0, 0))
self.connect((self.digital_descrambler_bb_0_1, 0),
(self.satellites_nrzi_decode_0, 0))
self.connect((self.digital_symbol_sync_xx_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_symbol_sync_xx_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.fractional_resampler_xx_0, 0),
(self.analog_agc_xx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.fractional_resampler_xx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_freq_sink_x_0_0, 0))
self.connect((self, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self, 0), (self.qtgui_waterfall_sink_x_1, 0))
self.connect((self.root_raised_cosine_filter_0_0, 0),
(self.digital_symbol_sync_xx_0, 0))
self.connect((self.root_raised_cosine_filter_0_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.satellites_nrzi_decode_0, 0),
(self.satellites_hdlc_deframer_0, 0))
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")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 48000
self.samp_per_sym = samp_per_sym = 5
##################################################
# Blocks
##################################################
self.satellites_pdu_to_kiss_0 = satellites.pdu_to_kiss()
self.satellites_nrzi_encode_0 = satellites.nrzi_encode()
self.satellites_nrzi_decode_0 = satellites.nrzi_decode()
self.satellites_kiss_to_pdu_0 = satellites.kiss_to_pdu(True)
self.satellites_hdlc_framer_0 = satellites.hdlc_framer(
preamble_bytes=50, postamble_bytes=7)
self.satellites_hdlc_deframer_0 = satellites.hdlc_deframer(
check_fcs=True, max_length=10000)
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(False)
self.qtgui_time_sink_x_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
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_f(
1024, #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_axis_labels(True)
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(1):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
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.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
self.digital_descrambler_bb_0 = digital.descrambler_bb(0x21, 0, 16)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
samp_per_sym * (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_socket_pdu_0 = blocks.socket_pdu("TCP_SERVER", '', '52001',
10000, True)
self.blocks_repeat_0 = blocks.repeat(gr.sizeof_char * 1, samp_per_sym)
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((0.5, ))
self.blocks_message_debug_0 = blocks.message_debug()
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-0.5, ))
self.audio_source_0 = audio.source(samp_rate, '', True)
self.audio_sink_0 = audio.sink(samp_rate, '', True)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_0, 'pdus'),
(self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.msg_connect((self.satellites_hdlc_deframer_0, 'out'),
(self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.satellites_hdlc_deframer_0, 'out'),
(self.satellites_pdu_to_kiss_0, 'in'))
self.msg_connect((self.satellites_hdlc_framer_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.satellites_kiss_to_pdu_0, 'out'),
(self.satellites_hdlc_framer_0, 'in'))
self.msg_connect((self.satellites_pdu_to_kiss_0, 'out'),
(self.blocks_socket_pdu_0, 'pdus'))
self.connect((self.audio_source_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.audio_source_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.audio_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.satellites_kiss_to_pdu_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_repeat_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.satellites_nrzi_decode_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_descrambler_bb_0, 0),
(self.satellites_hdlc_deframer_0, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.satellites_nrzi_encode_0, 0))
self.connect((self.satellites_nrzi_decode_0, 0),
(self.digital_descrambler_bb_0, 0))
self.connect((self.satellites_nrzi_encode_0, 0),
(self.blocks_repeat_0, 0))
def __init__(self, rx_freq=401.5e6, rx_offset=125e3):
gr.top_block.__init__(self, "VCC FSK Receiver")
Qt.QWidget.__init__(self)
self.setWindowTitle("VCC FSK Receiver")
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", "fsk_rx_hier")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Parameters
##################################################
self.rx_freq = rx_freq
self.rx_offset = rx_offset
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 250000
self.interp = interp = 24
self.decim = decim = 25 * 5
self.baud = baud = 9600
self.samps_per_symb = samps_per_symb = (samp_rate / decim *
interp) / baud
self.rx_gain = rx_gain = 0
self.rx_correct = rx_correct = -300
self.lpf_trans = lpf_trans = 1e3
self.lpf_cutoff = lpf_cutoff = 12.5e3
self.fsk_dev = fsk_dev = 10000
##################################################
# Blocks
##################################################
self._rx_gain_range = Range(0, 86, 1, 0, 200)
self._rx_gain_win = RangeWidget(self._rx_gain_range, self.set_rx_gain,
'RX Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._rx_gain_win, 4, 0, 1, 4)
for r in range(4, 5):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._rx_correct_range = Range(-10000, 10000, 1, -300, 200)
self._rx_correct_win = RangeWidget(self._rx_correct_range,
self.set_rx_correct, 'rx_correct',
"counter_slider", float)
self.top_grid_layout.addWidget(self._rx_correct_win, 5, 0, 1, 4)
for r in range(5, 6):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
)
self.uhd_usrp_source_0.set_center_freq(
uhd.tune_request(rx_freq + rx_correct, rx_offset), 0)
self.uhd_usrp_source_0.set_gain(rx_gain, 0)
self.uhd_usrp_source_0.set_antenna('TX/RX', 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_time_unknown_pps(uhd.time_spec())
self.satellites_pdu_to_kiss_0 = satellites.pdu_to_kiss(
control_byte=True, include_timestamp=False)
self.satellites_nrzi_decode_0 = satellites.nrzi_decode()
self.satellites_hdlc_deframer_0 = satellites.hdlc_deframer(
check_fcs=True, max_length=10000)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=interp, decimation=decim, taps=None, fractional_bw=0)
self.qtgui_freq_sink_x_1_0 = qtgui.freq_sink_c(
2048, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / decim * interp, #bw
"RX Spectrum", #name
2)
self.qtgui_freq_sink_x_1_0.set_update_time(0.010)
self.qtgui_freq_sink_x_1_0.set_y_axis(-150, 0)
self.qtgui_freq_sink_x_1_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0,
0, "")
self.qtgui_freq_sink_x_1_0.enable_autoscale(False)
self.qtgui_freq_sink_x_1_0.enable_grid(True)
self.qtgui_freq_sink_x_1_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_1_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_1_0.enable_control_panel(False)
self.qtgui_freq_sink_x_1_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", "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 range(2):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_1_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_1_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_1_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_1_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_1_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_1_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_1_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_1_0_win, 0, 0,
4, 4)
for r in range(0, 4):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate / decim * interp, lpf_cutoff,
lpf_trans, firdes.WIN_HAMMING, 6.76))
self.digital_descrambler_bb_0 = digital.descrambler_bb(0x21, 0, 16)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(
samps_per_symb * (1 + 0.0), 0.25 * 0.175 * 0.175, 0.25, 0.175,
0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_socket_pdu_0_2_0 = blocks.socket_pdu(
'TCP_SERVER', '0.0.0.0', '8001', 1024, False)
self.analog_quadrature_demod_cf_1 = analog.quadrature_demod_cf(
(samp_rate / decim * interp) / (2 * math.pi * fsk_dev / 8.0))
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.msg_connect((self.satellites_hdlc_deframer_0, 'out'),
(self.satellites_pdu_to_kiss_0, 'in'))
self.msg_connect((self.satellites_pdu_to_kiss_0, 'out'),
(self.blocks_socket_pdu_0_2_0, 'pdus'))
self.connect((self.analog_agc2_xx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.analog_quadrature_demod_cf_1, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.digital_descrambler_bb_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.digital_descrambler_bb_0, 0),
(self.satellites_nrzi_decode_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.analog_quadrature_demod_cf_1, 0))
self.connect((self.low_pass_filter_0, 0),
(self.qtgui_freq_sink_x_1_0, 1))
self.connect((self.rational_resampler_xxx_0_0, 0),
(self.analog_agc2_xx_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0),
(self.qtgui_freq_sink_x_1_0, 0))
self.connect((self.satellites_nrzi_decode_0, 0),
(self.satellites_hdlc_deframer_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.rational_resampler_xxx_0_0, 0))
