def key_factory(index):
print "FACTORY CALLED index = %d" % (index)
r = es.es_pyhandler()
excess_bw = 0.5
sps = 4
amplitude = sig_amp
taps = gr.firdes.root_raised_cosine(
sps * amplitude, # Gain
sps, # Sampling rate
1.0, # Symbol rate
excess_bw, # Roll-off factor
11 * sps) # Number of taps
blocks = {}
blocks["src"] = es.vector_source([1])
blocks["scrambler"] = digital.scrambler_bb(0x8A, 0x7F, 7)
blocks["mapper"] = digital.chunks_to_symbols_bc(
[-1 + 0j, 0 + 1j, 1 + 0j, 0 - 1j])
blocks["rrc"] = filter.interp_fir_filter_ccf(sps, taps)
r.sink = es.vector_sink([gr.sizeof_gr_complex])
r.set_pyb2(blocks)
tb = gr.top_block()
tb.connect(blocks["src"], blocks["scrambler"], blocks["mapper"],
blocks["rrc"], r.sink)
r.tb = tb.to_top_block()
return r
def __init__(self, constellation, samples_per_symbol, differential,
excess_bw, gray_coded, verbose, log):
gr.hier_block2.__init__(
self,
"bert_transmit",
# Output signature
gr.io_signature(0, 0, 0),
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Input signature
# Create BERT data bit stream
self._bits = blocks.vector_source_b([
1,
], True) # Infinite stream of ones
self._scrambler = digital.scrambler_bb(0x8A, 0x7F,
7) # CCSDS 7-bit scrambler
self._mod = digital.generic_mod(constellation, differential,
samples_per_symbol, gray_coded,
excess_bw, verbose, log)
self._pack = blocks.unpacked_to_packed_bb(self._mod.bits_per_symbol(),
gr.GR_MSB_FIRST)
self.connect(self._bits, self._scrambler, self._pack, self._mod, self)
def key_factory(index):
print "FACTORY CALLED index = %d"%(index);
r = es.es_pyhandler();
excess_bw = 0.5;
sps = 4;
amplitude = sig_amp;
taps = gr.firdes.root_raised_cosine(sps*amplitude, # Gain
sps, # Sampling rate
1.0, # Symbol rate
excess_bw, # Roll-off factor
11*sps) # Number of taps
blocks = {};
blocks["src"] = es.vector_source([1])
blocks["scrambler"] = digital.scrambler_bb(0x8A, 0x7F, 7);
blocks["mapper"] = digital.chunks_to_symbols_bc( [-1+0j, 0+1j, 1+0j, 0-1j] );
blocks["rrc"] = filter.interp_fir_filter_ccf(sps, taps);
r.sink = es.vector_sink([gr.sizeof_gr_complex]);
r.set_pyb2(blocks);
tb = gr.top_block();
tb.connect( blocks["src"], blocks["scrambler"], blocks["mapper"], blocks["rrc"], r.sink );
r.tb = tb.to_top_block();
return r;
def test_scrambler_descrambler(self):
src_data = (1,)*1000
src = blocks.vector_source_b(src_data, False)
scrambler = digital.scrambler_bb(0x8a, 0x7F, 7) # CCSDS 7-bit scrambler
descrambler = digital.descrambler_bb(0x8a, 0x7F, 7)
dst = blocks.vector_sink_b()
self.tb.connect(src, scrambler, descrambler, dst)
self.tb.run()
self.assertEqual(tuple(src_data[:-8]), dst.data()[8:]) # skip garbage during synchronization
def test_scrambler_descrambler(self):
src_data = (1,)*1000
src = blocks.vector_source_b(src_data, False)
scrambler = digital.scrambler_bb(0x8a, 0x7F, 7) # CCSDS 7-bit scrambler
descrambler = digital.descrambler_bb(0x8a, 0x7F, 7)
dst = blocks.vector_sink_b()
self.tb.connect(src, scrambler, descrambler, dst)
self.tb.run()
self.assertEqual(tuple(src_data[:-8]), dst.data()[8:]) # skip garbage during synchronization
def test_scrambler_descrambler_003(self):
src_data = np.random.randint(0, 2, 1000, dtype=np.int8)
src = blocks.vector_source_b(src_data, False)
# this is the product of the other two
scrambler = digital.scrambler_bb(*lfsr_args(1, 12, 10, 3, 2, 0))
descrambler1 = digital.descrambler_bb(*lfsr_args(1, 5, 3, 0))
descrambler2 = digital.descrambler_bb(*lfsr_args(1, 7, 2, 0))
dst = blocks.vector_sink_b()
self.tb.connect(src, scrambler, descrambler1, descrambler2, dst)
self.tb.run()
# skip garbage during synchronization
self.assertTrue(np.all(src_data[:-12] == dst.data()[12:]))
def test_scrambler_descrambler_001(self):
src_data = np.random.randint(0, 2, 500, dtype=np.int8)
src = blocks.vector_source_b(src_data, False)
scrambler = digital.scrambler_bb(*lfsr_args(0b1, 7, 2,
0)) # p(x) = x^7 + x^2 + 1
# we can use any seed here, it is descrambling.
descrambler = digital.descrambler_bb(*lfsr_args(0b111, 7, 2, 0))
m_tap = blocks.vector_sink_b()
dst = blocks.vector_sink_b()
self.tb.connect(src, scrambler, descrambler, dst)
self.tb.connect(scrambler, m_tap)
self.tb.run()
# skip garbage during synchronization
self.assertEqual(src_data[:-7].tolist(), dst.data()[7:])
self.assertEqual(
tuple(np.convolve(m_tap.data(), [1, 0, 0, 0, 0, 1, 0, 1]) %
2)[7:-10], tuple(src_data[:-10])) # manual descrambling test
def test_scrambler_descrambler_002(self):
_a = lfsr_args(0b1, 51, 6, 0) # p(x) = x^51+x^6+1
src_data = np.random.randint(0, 2, 1000, dtype=np.int8)
src = blocks.vector_source_b(src_data, False)
scrambler = digital.scrambler_bb(*_a)
m_tap = blocks.vector_sink_b()
descrambler = digital.descrambler_bb(*_a)
dst = blocks.vector_sink_b()
self.tb.connect(src, scrambler, descrambler, dst)
self.tb.connect(scrambler, m_tap)
self.tb.run()
# skip garbage during synchronization
self.assertTrue(np.all(src_data[:-51] == dst.data()[51:]))
reg = np.zeros(52, np.int8)
reg[::-1][(51, 6, 0), ] = 1
self.assertTrue(
np.all(
np.convolve(m_tap.data(), reg)[51:-60] %
2 == src_data[:-60])) # manual descrambling test
def __init__(self, constellation, samples_per_symbol,
differential, excess_bw, gray_coded,
verbose, log):
gr.hier_block2.__init__(self, "bert_transmit",
gr.io_signature(0, 0, 0), # Output signature
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Input signature
# Create BERT data bit stream
self._bits = blocks.vector_source_b([1,], True) # Infinite stream of ones
self._scrambler = digital.scrambler_bb(0x8A, 0x7F, 7) # CCSDS 7-bit scrambler
self._mod = digital.generic_mod(constellation, differential,
samples_per_symbol,
gray_coded, excess_bw,
verbose, log)
self._pack = blocks.unpacked_to_packed_bb(self._mod.bits_per_symbol(), gr.GR_MSB_FIRST)
self.connect(self._bits, self._scrambler, self._pack, self._mod, self)
def __init__(self, scrambler=0):
gr.hier_block2.__init__(
self, "AX.25 Line Coding Heir Block",
gr.io_signature(1, 1, gr.sizeof_char*1),
gr.io_signature(1, 1, gr.sizeof_char*1),
)
##################################################
# Parameters
##################################################
self.scrambler = scrambler
##################################################
# Blocks
##################################################
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x00, 16)
self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
self.blks2_selector_0 = grc_blks2.selector(
item_size=gr.sizeof_char*1,
num_inputs=2,
num_outputs=1,
input_index=scrambler,
output_index=0,
)
self.ax25_nrzi_encoder_0 = ax25.nrzi_encoder(0)
##################################################
# Connections
##################################################
self.connect((self.ax25_nrzi_encoder_0, 0), (self.blks2_selector_0, 0))
self.connect((self.ax25_nrzi_encoder_0, 0), (self.digital_scrambler_bb_0, 0))
self.connect((self.blks2_selector_0, 0), (self.blocks_unpacked_to_packed_xx_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.ax25_nrzi_encoder_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self, 0))
self.connect((self.digital_scrambler_bb_0, 0), (self.blks2_selector_0, 1))
self.connect((self, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Simple QAM Simulation")
Qt.QWidget.__init__(self)
self.setWindowTitle("Simple QAM Simulation")
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.constellation_cardinality = constellation_cardinality = 16
self.const_object = const_object = constellations()['qam'](
constellation_cardinality)
self.snr_db = snr_db = 20
self.constellation = constellation = const_object.points()
self.sps = sps = 8
self.samp_rate = samp_rate = 250000
self.noise_amp = noise_amp = sqrt((10**(-snr_db / 10.)) / 2.)
self.constellation_power = constellation_power = sqrt(
sum([abs(i)**2
for i in constellation]) / constellation_cardinality)
##################################################
# Blocks
##################################################
self.tabid_0 = Qt.QTabWidget()
self.tabid_0_widget_0 = Qt.QWidget()
self.tabid_0_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_0_widget_0)
self.tabid_0_grid_layout_0 = Qt.QGridLayout()
self.tabid_0_layout_0.addLayout(self.tabid_0_grid_layout_0)
self.tabid_0.addTab(self.tabid_0_widget_0, "TX")
self.tabid_0_widget_1 = Qt.QWidget()
self.tabid_0_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_0_widget_1)
self.tabid_0_grid_layout_1 = Qt.QGridLayout()
self.tabid_0_layout_1.addLayout(self.tabid_0_grid_layout_1)
self.tabid_0.addTab(self.tabid_0_widget_1, "CHANNEL")
self.tabid_0_widget_2 = Qt.QWidget()
self.tabid_0_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_0_widget_2)
self.tabid_0_grid_layout_2 = Qt.QGridLayout()
self.tabid_0_layout_2.addLayout(self.tabid_0_grid_layout_2)
self.tabid_0.addTab(self.tabid_0_widget_2, "RX")
self.top_grid_layout.addWidget(self.tabid_0, 30, 0, 10, 100)
self.tabid_2 = Qt.QTabWidget()
self.tabid_2_widget_0 = Qt.QWidget()
self.tabid_2_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_2_widget_0)
self.tabid_2_grid_layout_0 = Qt.QGridLayout()
self.tabid_2_layout_0.addLayout(self.tabid_2_grid_layout_0)
self.tabid_2.addTab(self.tabid_2_widget_0, "symbol-based")
self.tabid_2_widget_1 = Qt.QWidget()
self.tabid_2_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_2_widget_1)
self.tabid_2_grid_layout_1 = Qt.QGridLayout()
self.tabid_2_layout_1.addLayout(self.tabid_2_grid_layout_1)
self.tabid_2.addTab(self.tabid_2_widget_1, "bit-based")
self.tabid_2_widget_2 = Qt.QWidget()
self.tabid_2_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_2_widget_2)
self.tabid_2_grid_layout_2 = Qt.QGridLayout()
self.tabid_2_layout_2.addLayout(self.tabid_2_grid_layout_2)
self.tabid_2.addTab(self.tabid_2_widget_2, "BER")
self.tabid_0_layout_2.addWidget(self.tabid_2)
self.tabid_1 = Qt.QTabWidget()
self.tabid_1_widget_0 = Qt.QWidget()
self.tabid_1_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_1_widget_0)
self.tabid_1_grid_layout_0 = Qt.QGridLayout()
self.tabid_1_layout_0.addLayout(self.tabid_1_grid_layout_0)
self.tabid_1.addTab(self.tabid_1_widget_0, "bit-based")
self.tabid_1_widget_1 = Qt.QWidget()
self.tabid_1_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_1_widget_1)
self.tabid_1_grid_layout_1 = Qt.QGridLayout()
self.tabid_1_layout_1.addLayout(self.tabid_1_grid_layout_1)
self.tabid_1.addTab(self.tabid_1_widget_1, "scrambled")
self.tabid_1_widget_2 = Qt.QWidget()
self.tabid_1_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabid_1_widget_2)
self.tabid_1_grid_layout_2 = Qt.QGridLayout()
self.tabid_1_layout_2.addLayout(self.tabid_1_grid_layout_2)
self.tabid_1.addTab(self.tabid_1_widget_2, "symbol-based")
self.tabid_0_grid_layout_0.addWidget(self.tabid_1, 0, 0, 10, 10)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_2.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_sink_x_0_1_0_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_1_0_0.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_0.addWidget(self._qtgui_sink_x_0_1_0_0_win)
self.qtgui_sink_x_0_1_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_1_0.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_1.addWidget(self._qtgui_sink_x_0_1_0_win)
self.qtgui_sink_x_0_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_win = sip.wrapinstance(
self.qtgui_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_2.addWidget(self._qtgui_sink_x_0_1_win)
self.qtgui_sink_x_0_0_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_0_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_0.addWidget(self._qtgui_sink_x_0_0_0_0_win)
self.qtgui_sink_x_0_0_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_1.addWidget(self._qtgui_sink_x_0_0_0_win)
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
False, #plotwaterfall
True, #plottime
False, #plotconst
)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.tabid_0_layout_1.addWidget(self._qtgui_sink_x_0_0_win)
self.gr_vector_source_x_0_0 = gr.vector_source_b(([1, 0]), True, 1)
self.gr_vector_source_x_0 = gr.vector_source_b(([1, 0]), True, 1)
self.gr_unpack_k_bits_bb_0 = gr.unpack_k_bits_bb(
int(log2(constellation_cardinality)))
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate)
self.gr_pack_k_bits_bb_0 = gr.pack_k_bits_bb(
int(log2(constellation_cardinality)))
self.gr_null_sink_0 = gr.null_sink(gr.sizeof_char * 1)
self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, noise_amp,
0)
self.gr_nlog10_ff_0 = gr.nlog10_ff(1, 1, 0)
self.gr_multiply_const_vxx_0_0 = gr.multiply_const_vcc(
(1. / constellation_power, ))
self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc(
(constellation_power, ))
self.gr_file_sink_0_1_0 = gr.file_sink(gr.sizeof_gr_complex * 1,
"rx_sym.32fc")
self.gr_file_sink_0_1_0.set_unbuffered(False)
self.gr_file_sink_0_1 = gr.file_sink(gr.sizeof_gr_complex * 1,
"tx_sym.32fc")
self.gr_file_sink_0_1.set_unbuffered(False)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_char * 1, "rx.8b")
self.gr_file_sink_0_0.set_unbuffered(False)
self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char * 1, "tx.8b")
self.gr_file_sink_0.set_unbuffered(False)
self.gr_descrambler_bb_0 = gr.descrambler_bb(0xe4001, 0x7ffff, 19)
self.gr_char_to_float_1_0 = gr.char_to_float(1, 1)
self.gr_char_to_float_1 = gr.char_to_float(1, 1)
self.gr_char_to_float_0 = gr.char_to_float(1, 1)
self.gr_add_xx_0 = gr.add_vcc(1)
self.digital_scrambler_bb_0 = digital.scrambler_bb(
0xe4001, 0x7fffF, 19)
self.digital_constellation_receiver_cb_0 = digital.constellation_receiver_cb(
const_object.base(), 6.28 / 100, -0.25, +0.25)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
(constellation), 1)
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=samp_rate,
bits_per_symbol=1,
)
##################################################
# Connections
##################################################
self.connect((self.gr_vector_source_x_0, 0),
(self.digital_scrambler_bb_0, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.gr_pack_k_bits_bb_0, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0),
(self.gr_file_sink_0_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0),
(self.gr_unpack_k_bits_bb_0, 0))
self.connect((self.gr_unpack_k_bits_bb_0, 0),
(self.gr_descrambler_bb_0, 0))
self.connect((self.gr_descrambler_bb_0, 0), (self.gr_null_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0),
(self.digital_constellation_receiver_cb_0, 0))
self.connect((self.gr_descrambler_bb_0, 0),
(self.gr_char_to_float_0, 0))
self.connect((self.gr_char_to_float_0, 0),
(self.qtgui_sink_x_0_0_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.gr_multiply_const_vxx_0_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0),
(self.gr_file_sink_0_1, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0),
(self.qtgui_sink_x_0_1, 0))
self.connect((self.gr_char_to_float_1, 0),
(self.qtgui_sink_x_0_1_0, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0),
(self.gr_char_to_float_1, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.gr_char_to_float_1_0, 0),
(self.qtgui_sink_x_0_1_0_0, 0))
self.connect((self.gr_vector_source_x_0, 0),
(self.gr_char_to_float_1_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0),
(self.gr_add_xx_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.gr_throttle_0, 0),
(self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_file_sink_0_1_0, 0))
self.connect((self.gr_throttle_0, 0), (self.qtgui_sink_x_0_0_0_0, 0))
self.connect((self.gr_nlog10_ff_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blks2_error_rate_0, 0), (self.gr_nlog10_ff_0, 0))
self.connect((self.gr_vector_source_x_0_0, 0),
(self.blks2_error_rate_0, 0))
self.connect((self.gr_descrambler_bb_0, 0),
(self.blks2_error_rate_0, 1))
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,
addr='0.0.0.0',
bb_gain=.4,
tx_correct=0,
tx_freq=433e6,
tx_gain=20,
tx_offset=50e3,
tx_period=50,
update_period=2000):
gr.top_block.__init__(self, "MGS Rocksat Transceiver v2.0")
Qt.QWidget.__init__(self)
self.setWindowTitle("MGS Rocksat Transceiver v2.0")
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", "mgs_trx_1")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.addr = addr
self.bb_gain = bb_gain
self.tx_correct = tx_correct
self.tx_freq = tx_freq
self.tx_gain = tx_gain
self.tx_offset = tx_offset
self.tx_period = tx_period
self.update_period = update_period
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 500e3
self.baud = baud = 10e3
self.samps_per_symb = samps_per_symb = int(samp_rate / baud)
self.mult = mult = (samp_rate) / 2 / 3.141593
self.decim = decim = 10
self.alpha = alpha = 0.5
##################################################
# Blocks
##################################################
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(
uhd.tune_request(tx_freq + tx_correct, tx_offset), 0)
self.uhd_usrp_sink_0.set_gain(tx_gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=decim,
taps=None,
fractional_bw=None,
)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / decim, #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(True)
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_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.kiss_kiss_to_pdu_0 = kiss.kiss_to_pdu(False)
self.kiss_hdlc_framer_0 = kiss.hdlc_framer(preamble_bytes=48,
postamble_bytes=10)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=50,
bt=alpha,
verbose=False,
log=False,
)
self.blocks_random_pdu_0 = blocks.random_pdu(256, 256, chr(0xFF), 2)
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_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc(
(bb_gain, ))
self.blocks_message_strobe_0_1 = blocks.message_strobe(
pmt.intern("TEST"), update_period)
self.blocks_message_strobe_0_0 = blocks.message_strobe(
pmt.intern("TEST"), tx_period)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0_0, 'strobe'),
(self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.msg_connect((self.blocks_message_strobe_0_1, 'strobe'),
(self.blocks_random_pdu_0, 'generate'))
self.msg_connect((self.blocks_random_pdu_0, 'pdus'),
(self.blocks_message_strobe_0_0, 'set_msg'))
self.msg_connect((self.kiss_hdlc_framer_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'),
(self.kiss_hdlc_framer_0, 'in'))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0),
(self.digital_gmsk_mod_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0),
(self.kiss_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.digital_gmsk_mod_0, 0),
(self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.digital_gmsk_mod_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
def __init__(self, fsk_dev=10000, lpf_cutoff=12.5e3, lpf_trans=1e3):
gr.top_block.__init__(self, "Fsk Tx Es")
Qt.QWidget.__init__(self)
self.setWindowTitle("Fsk Tx Es")
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_tx_es")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.fsk_dev = fsk_dev
self.lpf_cutoff = lpf_cutoff
self.lpf_trans = lpf_trans
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 48e3
self.baud = baud = 9600
self.samps_per_symb = samps_per_symb = int(samp_rate/baud)
self.mult = mult = (samp_rate)/2/3.141593
self.bb_gain = bb_gain = 10
self.alpha = alpha = 0.5
##################################################
# Blocks
##################################################
self._bb_gain_range = Range(0, 10, .01, 10, 200)
self._bb_gain_win = RangeWidget(self._bb_gain_range, self.set_bb_gain, 'bb_gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._bb_gain_win, 6,0,1,4)
self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"TX Spectrum", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_1.set_update_time(0.010)
self.qtgui_freq_sink_x_1.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB')
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(True)
self.qtgui_freq_sink_x_1.set_fft_average(1.0)
self.qtgui_freq_sink_x_1.enable_axis_labels(True)
self.qtgui_freq_sink_x_1.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_1.disable_legend()
if "complex" == "float" or "complex" == "msg_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, 2,0,4,4)
self.pyqt_text_output_0_0 = pyqt.text_output()
self._pyqt_text_output_0_0_win = self.pyqt_text_output_0_0;
self.top_grid_layout.addWidget(self._pyqt_text_output_0_0_win, 0,0,2,4)
self.kiss_kiss_to_pdu_0 = kiss.kiss_to_pdu(True)
self.kiss_hdlc_framer_0 = kiss.hdlc_framer(preamble_bytes=32, postamble_bytes=16)
self.es_source_0 = es.source(1*[gr.sizeof_gr_complex], 1, 2, 0)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=samps_per_symb,
bt=alpha,
verbose=False,
log=False,
)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_gr_complex*1, '0.0.0.0', 9000, 1472, True)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.complex_t, 'packet_len')
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_tag_gate_0.set_single_key("packet_len")
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_gr_complex, 1, 4096*3, "packet_len")
(self.blocks_stream_to_tagged_stream_0).set_min_output_buffer(17000)
self.blocks_socket_pdu_0_2 = blocks.socket_pdu("TCP_CLIENT", '0.0.0.0', '8000', 1024, False)
self.blocks_pdu_to_tagged_stream_1 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc((bb_gain, ))
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_0_2, 'pdus'), (self.blocks_pdu_to_tagged_stream_1, 'pdus'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.es_source_0, 'schedule_event'))
self.msg_connect((self.kiss_hdlc_framer_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'), (self.kiss_hdlc_framer_0, 'in'))
self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'), (self.pyqt_text_output_0_0, 'pdus'))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.digital_gmsk_mod_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_1, 0), (self.kiss_kiss_to_pdu_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.blocks_udp_sink_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.qtgui_freq_sink_x_1, 0))
self.connect((self.digital_gmsk_mod_0, 0), (self.blocks_tag_gate_0, 0))
self.connect((self.digital_scrambler_bb_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.es_source_0, 0), (self.blocks_throttle_0_0, 0))
def __init__(self, fsk_dev=10000, lpf_cutoff=12.5e3, lpf_trans=1e3):
gr.top_block.__init__(self, "Usip Trx 1")
Qt.QWidget.__init__(self)
self.setWindowTitle("Usip Trx 1")
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", "usip_trx_1")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.fsk_dev = fsk_dev
self.lpf_cutoff = lpf_cutoff
self.lpf_trans = lpf_trans
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 250000
self.baud = baud = 9600
self.samps_per_symb = samps_per_symb = int(samp_rate/baud)
self.noise_amp = noise_amp = 0.3
self.mult = mult = (samp_rate)/2/3.141593
self.decim = decim = 5
self.bb_gain = bb_gain = .75
self.alpha = alpha = 0.5
##################################################
# Blocks
##################################################
self._noise_amp_range = Range(0, 1, 0.005, 0.3, 200)
self._noise_amp_win = RangeWidget(self._noise_amp_range, self.set_noise_amp, "noise_amp", "counter_slider", float)
self.top_grid_layout.addWidget(self._noise_amp_win, 6,0,1,4)
self._bb_gain_range = Range(0, 1, .01, .75, 200)
self._bb_gain_win = RangeWidget(self._bb_gain_range, self.set_bb_gain, 'bb_gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._bb_gain_win, 5,0,1,4)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=decim,
taps=None,
fractional_bw=None,
)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
2048, #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(True)
self.qtgui_time_sink_x_0.enable_grid(True)
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(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_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 4,4,3,4)
self.qtgui_freq_sink_x_1_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate/decim, #bw
"RX Spectrum", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_1_0.set_update_time(0.10)
self.qtgui_freq_sink_x_1_0.set_y_axis(-80, 10)
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)
if not False:
self.qtgui_freq_sink_x_1_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_1_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_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, 0,4,4,4)
self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"TX 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_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_1.enable_autoscale(True)
self.qtgui_freq_sink_x_1.enable_grid(True)
self.qtgui_freq_sink_x_1.set_fft_average(1.0)
self.qtgui_freq_sink_x_1.enable_axis_labels(True)
self.qtgui_freq_sink_x_1.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_1.disable_legend()
if "complex" == "float" or "complex" == "msg_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, 0,0,4,4)
self.pyqt_text_output_0 = pyqt.text_output()
self._pyqt_text_output_0_win = self.pyqt_text_output_0;
self.top_layout.addWidget(self._pyqt_text_output_0_win)
self.pyqt_text_input_0 = pyqt.text_input()
self._pyqt_text_input_0_win = self.pyqt_text_input_0;
self.top_grid_layout.addWidget(self._pyqt_text_input_0_win, 4,0,1,4)
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, samp_rate/decim, lpf_cutoff, lpf_trans, firdes.WIN_HAMMING, 6.76))
self.kiss_hdlc_framer_0 = kiss.hdlc_framer(preamble_bytes=64, postamble_bytes=16)
self.kiss_hdlc_deframer_0 = kiss.hdlc_deframer(check_fcs=True, max_length=300)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=samps_per_symb,
bt=alpha,
verbose=False,
log=False,
)
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)/decim, 0.25*0.175*0.175, 0.25, 0.175, 0.005)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_tag_gate_0.set_single_key("packet_len")
self.blocks_socket_pdu_0_2 = blocks.socket_pdu("UDP_SERVER", '0.0.0.0', '52002', 1024, False)
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc((bb_gain, ))
self.blocks_add_xx_1 = blocks.add_vcc(1)
self.analog_quadrature_demod_cf_1 = analog.quadrature_demod_cf((samp_rate/decim)/(2*math.pi*fsk_dev/8.0))
self.analog_fastnoise_source_x_0 = analog.fastnoise_source_c(analog.GR_GAUSSIAN, noise_amp, 0, 8192)
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.blocks_socket_pdu_0_2, 'pdus'), (self.kiss_hdlc_framer_0, 'in'))
self.msg_connect((self.kiss_hdlc_deframer_0, 'out'), (self.blocks_socket_pdu_0_2, 'pdus'))
self.msg_connect((self.kiss_hdlc_deframer_0, 'out'), (self.pyqt_text_output_0, 'pdus'))
self.msg_connect((self.kiss_hdlc_framer_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.pyqt_text_input_0, 'pdus'), (self.kiss_hdlc_framer_0, 'in'))
self.connect((self.analog_agc2_xx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.analog_fastnoise_source_x_0, 0), (self.blocks_add_xx_1, 0))
self.connect((self.analog_quadrature_demod_cf_1, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.analog_quadrature_demod_cf_1, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_add_xx_1, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.blocks_add_xx_1, 0), (self.qtgui_freq_sink_x_1, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.blocks_add_xx_1, 1))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.digital_gmsk_mod_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.blocks_multiply_const_vxx_0_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.kiss_hdlc_deframer_0, 0))
self.connect((self.digital_gmsk_mod_0, 0), (self.blocks_tag_gate_0, 0))
self.connect((self.digital_scrambler_bb_0, 0), (self.blocks_pack_k_bits_bb_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, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.low_pass_filter_0, 0))
def __init__(self, principal_gui, options):
'''
See below for what options should hold
'''
gr.hier_block2.__init__(self, "transmit_path",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
options = copy.copy(options) # make a copy so we can destructively modify
self._verbose = options.verbose
self._tx_amplitude = options.tx_amplitude # digital amplitude sent to USRP
self._bitrate = options.rate # desired bit rate
self._samples_per_symbol = options.sps # desired samples/baud
#setup usrp
self._setup_usrp_sink(options)
#create a BPSK modulator
self.modulator = bpsk_modulator(principal_gui, options) # the modulator we are using
#create packet input like in ieee 802.15.4
#the size of the queue is 2 messages
#######################*************
msgq_limit = 10
self.pkt_input = blocks.message_source(gr.sizeof_char, msgq_limit)
#The same chain like in ieee transceiver
#add gain like in ieee802.15.4
#######################################*****************
#self.normal_gain = 8000
#self.gain = gr.multiply_const_cc (self.normal_gain)
self.amp = blocks.multiply_const_cc(options.amplitude)
#self.set_tx_amplitude(self._tx_amplitude)
# Display some information about the setup
if self._verbose:
self._print_verbage()
# Connect components in the flowgraph
#self.connect(self.packet_transmitter, self.amp, self)
# self.wxgui_constellationsink2_0 = constsink_gl.const_sink_c(
# principal_gui.GetWin(),
# title="Constellation Plot",
# sample_rate=options.samp_rate,
# frame_rate=5,
# const_size=2048,
# M=2,
# theta=0,
# fmax=0.06,
# mu=0.5,
# gain_mu=0.005,
# symbol_rate=options.samp_rate/self._samples_per_symbol,
# omega_limit=0.005,
# )
# principal_gui.Add(self.wxgui_constellationsink2_0.win)
'''For Stream of bits '''
self.vector_source = blocks.vector_source_b([1,], True)
self.scrambler = digital.scrambler_bb(0x10,0x7F,7)
#self.connect(self.vector_source,self.scrambler, self.modulator, self.amp, self.u)
#self.connect(self.modulator,self.wxgui_constellationsink2_0)
'''End For Stream of bits '''
self.connect(self.pkt_input, self.modulator, self.amp, self.u)
def __init__(self, puncpat='11'):
gr.top_block.__init__(self, "Outernet Flatsat Flowgraph")
Qt.QWidget.__init__(self)
self.setWindowTitle("Outernet Flatsat Flowgraph")
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())
##################################################
# Parameters
##################################################
self.puncpat = puncpat
##################################################
# Variables
##################################################
self.rate = rate = 2
self.polys = polys = [79, 109]
self.k = k = 7
self.frame_size = frame_size = 32
self.uhd_samp_rate = uhd_samp_rate = 614400
self.tx_gain = tx_gain = 0
self.samples_per_symbol = samples_per_symbol = 64
self.rx_gain = rx_gain = 0
self.rf_tx_freq = rf_tx_freq = 145e6
self.rf_rx_freq = rf_rx_freq = 401e6
self.rf_offset_freq = rf_offset_freq = 80e3
self.rf_bw = rf_bw = 100e3
self.interleave = interleave = 4
self.dec_cc = dec_cc = fec.cc_decoder.make(frame_size, k, rate, (polys), 0, -1, fec.CC_STREAMING, False)
##################################################
# Blocks
##################################################
self._tx_gain_range = Range(0, 90, 1, 0, 200)
self._tx_gain_win = RangeWidget(self._tx_gain_range, self.set_tx_gain, "TX Gain", "counter_slider", float)
self.top_layout.addWidget(self._tx_gain_win)
self._rx_gain_range = Range(0, 90, 1, 0, 200)
self._rx_gain_win = RangeWidget(self._rx_gain_range, self.set_rx_gain, "RX Gain", "counter_slider", float)
self.top_layout.addWidget(self._rx_gain_win)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_clock_rate(30.72e6, uhd.ALL_MBOARDS)
self.uhd_usrp_source_0.set_samp_rate(uhd_samp_rate)
self.uhd_usrp_source_0.set_center_freq(rf_rx_freq, 0)
self.uhd_usrp_source_0.set_gain(rx_gain, 0)
self.uhd_usrp_source_0.set_bandwidth(rf_bw, 0)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
"packet_len",
)
self.uhd_usrp_sink_0.set_clock_rate(30.72e6, uhd.ALL_MBOARDS)
self.uhd_usrp_sink_0.set_samp_rate(uhd_samp_rate)
self.uhd_usrp_sink_0.set_center_freq(rf_tx_freq, 0)
self.uhd_usrp_sink_0.set_gain(tx_gain, 0)
self.uhd_usrp_sink_0.set_bandwidth(rf_bw, 0)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=8,
decimation=1,
taps=None,
fractional_bw=0.125,
)
self.pyqt_text_input_0 = pyqt.text_input()
self._pyqt_text_input_0_win = self.pyqt_text_input_0;
self.top_layout.addWidget(self._pyqt_text_input_0_win)
self.fec_extended_decoder_0 = fec.extended_decoder(decoder_obj_list=dec_cc, threading= None, ann=None, puncpat=puncpat, integration_period=10000)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x00, 16)
self.digital_map_bb_0 = digital.map_bb(([-1, 1]))
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=8,
bt=0.5,
verbose=False,
log=False,
)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=samples_per_symbol,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.ccsds_rs_decode_pdu_0 = ccsds.rs_decode_pdu(interleave)
self.ccsds_asm_deframer_pdu_0 = ccsds.asm_deframer_pdu(0, interleave, 1, 255)
self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(gr.sizeof_gr_complex*1, "packet_len", 64*8)
self.blocks_socket_pdu_1_0 = blocks.socket_pdu("TCP_CLIENT", "127.0.0.1", "51423", 892, False)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
self.blocks_message_debug_0_1 = blocks.message_debug()
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.ax25_nrzi_encoder_0 = ax25.nrzi_encoder(0)
self.ax25_encode_heir_0_0 = ax25_encode_heir(
destination_callsign="PICASS",
destination_ssid=0,
post_flag_quantity=16,
post_sync_quantity=16,
pre_flag_quantity=16,
pre_sync_quantity=128,
source_callsign="BISAGS ",
source_ssid=14,
sync_value=85,
)
self.ais_invert_0 = ais.invert()
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_1_0, 'pdus'), (self.ax25_encode_heir_0_0, 'pdus in'))
self.msg_connect((self.blocks_socket_pdu_1_0, 'pdus'), (self.blocks_message_debug_0_1, 'print_pdu'))
self.msg_connect((self.ccsds_asm_deframer_pdu_0, 'pdus'), (self.ccsds_rs_decode_pdu_0, 'pdu_in'))
self.msg_connect((self.ccsds_rs_decode_pdu_0, 'pdu_out'), (self.blocks_socket_pdu_1_0, 'pdus'))
self.msg_connect((self.pyqt_text_input_0, 'pdus'), (self.ax25_encode_heir_0_0, 'pdus in'))
self.msg_connect((self.pyqt_text_input_0, 'pdus'), (self.blocks_message_debug_0_1, 'print_pdu'))
self.connect((self.ais_invert_0, 0), (self.digital_map_bb_0, 0))
self.connect((self.ax25_encode_heir_0_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.ax25_nrzi_encoder_0, 0), (self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0), (self.fec_extended_decoder_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.ax25_nrzi_encoder_0, 0))
self.connect((self.blocks_tagged_stream_multiply_length_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self.digital_gmsk_mod_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.ais_invert_0, 0))
self.connect((self.digital_gmsk_mod_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.digital_map_bb_0, 0), (self.blocks_char_to_float_0_0, 0))
self.connect((self.digital_scrambler_bb_0, 0), (self.blocks_unpacked_to_packed_xx_0, 0))
self.connect((self.fec_extended_decoder_0, 0), (self.ccsds_asm_deframer_pdu_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.blocks_tagged_stream_multiply_length_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.digital_gmsk_demod_0, 0))
def __init__(self,
fsk_dev=10000,
lpf_cutoff=12.5e3,
lpf_trans=1e3,
tx_freq=401.5e6,
tx_offset=250e3):
gr.top_block.__init__(self, "Fsk Tx Uhd")
Qt.QWidget.__init__(self)
self.setWindowTitle("Fsk Tx Uhd")
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_tx_uhd")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.fsk_dev = fsk_dev
self.lpf_cutoff = lpf_cutoff
self.lpf_trans = lpf_trans
self.tx_freq = tx_freq
self.tx_offset = tx_offset
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 240000
self.baud = baud = 9600
self.tx_gain = tx_gain = 0
self.tx_correct = tx_correct = -300
self.samps_per_symb = samps_per_symb = samp_rate / baud
self.mult = mult = (samp_rate) / 2 / 3.141593
self.interp = interp = 25
self.decim = decim = 24
self.bb_gain = bb_gain = .75
self.alpha = alpha = .5
##################################################
# Blocks
##################################################
self._tx_gain_range = Range(0, 86, 1, 0, 200)
self._tx_gain_win = RangeWidget(self._tx_gain_range, self.set_tx_gain,
'TX Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._tx_gain_win, 7, 0, 1, 4)
self._tx_correct_range = Range(-10000, 10000, 1, -300, 200)
self._tx_correct_win = RangeWidget(self._tx_correct_range,
self.set_tx_correct, "tx_correct",
"counter_slider", float)
self.top_grid_layout.addWidget(self._tx_correct_win, 8, 0, 1, 4)
self._bb_gain_range = Range(0, 1, .01, .75, 200)
self._bb_gain_win = RangeWidget(self._bb_gain_range, self.set_bb_gain,
'bb_gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._bb_gain_win, 6, 0, 1, 4)
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(250e3)
self.uhd_usrp_sink_0_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.uhd_usrp_sink_0_0.set_center_freq(
uhd.tune_request(tx_freq + tx_correct, tx_offset), 0)
self.uhd_usrp_sink_0_0.set_gain(tx_gain, 0)
self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=interp,
decimation=decim,
taps=None,
fractional_bw=None,
)
self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / decim * interp, #bw
"TX Spectrum", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_1.set_update_time(0.010)
self.qtgui_freq_sink_x_1.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB')
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(True)
self.qtgui_freq_sink_x_1.set_fft_average(1.0)
self.qtgui_freq_sink_x_1.enable_axis_labels(True)
self.qtgui_freq_sink_x_1.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_1.disable_legend()
if "complex" == "float" or "complex" == "msg_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, 2, 0, 4,
4)
self.pyqt_text_output_0_0 = pyqt.text_output()
self._pyqt_text_output_0_0_win = self.pyqt_text_output_0_0
self.top_grid_layout.addWidget(self._pyqt_text_output_0_0_win, 0, 0, 2,
4)
self.kiss_nrzi_encode_0 = kiss.nrzi_encode()
self.kiss_kiss_to_pdu_0 = kiss.kiss_to_pdu(True)
self.kiss_hdlc_framer_0 = kiss.hdlc_framer(preamble_bytes=64,
postamble_bytes=64)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=int(samps_per_symb),
bt=alpha,
verbose=False,
log=False,
)
self.blocks_socket_pdu_0_2 = blocks.socket_pdu("TCP_CLIENT", '0.0.0.0',
'8000', 1024, False)
self.blocks_pdu_to_tagged_stream_1 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc(
(bb_gain, ))
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_0_2, 'pdus'),
(self.blocks_pdu_to_tagged_stream_1, 'pdus'))
self.msg_connect((self.kiss_hdlc_framer_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'),
(self.kiss_hdlc_framer_0, 'in'))
self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'),
(self.pyqt_text_output_0_0, 'pdus'))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0),
(self.digital_gmsk_mod_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_1, 0),
(self.kiss_kiss_to_pdu_0, 0))
self.connect((self.digital_gmsk_mod_0, 0),
(self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.kiss_nrzi_encode_0, 0))
self.connect((self.kiss_nrzi_encode_0, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.qtgui_freq_sink_x_1, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.uhd_usrp_sink_0_0, 0))
def __init__(self, EbN0):
gr.top_block.__init__(self, "BER Simulation")
##################################################
# Variables
##################################################
self.N_BITS = N_BITS = 1e5
self.EbN0 = EbN0
self.sps = sps = 5
self.samp_rate = samp_rate = 32000
self.noise_voltage = noise_voltage = 1.0 / math.sqrt(
1 / float(sps) * 10 ** (float(EbN0) / 10)
)
self.intdump_decim = intdump_decim = min(int(N_BITS / 10), 100000)
self.const = const = digital.constellation_bpsk().base()
self.alpha = alpha = 0.35
self.SKIP = SKIP = 1000
self.RAND_SEED = RAND_SEED = 42
##################################################
# Blocks
##################################################
self.lilacsat1_ber_bpsk_0 = lilacsat1_ber_bpsk(
bfo=12000,
callsign="",
ip="::",
latitude=0,
longitude=0,
port=7355,
recstart="",
)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_descrambler_bb_0 = digital.descrambler_bb(0x21, 0x00, 16)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=const,
differential=False,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=alpha,
verbose=False,
log=False,
)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise_voltage,
frequency_offset=0.0,
epsilon=1.0,
taps=(0, 0, (1 + 1j) / numpy.sqrt(2),),
noise_seed=RAND_SEED,
block_tags=False,
)
self.blocks_vector_source_x_0 = blocks.vector_source_b([1], True, 1, [])
self.blocks_vector_sink_x_0 = blocks.vector_sink_f(1, 1024)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_skiphead_0 = blocks.skiphead(gr.sizeof_char * 1, SKIP)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_not_xx_0 = blocks.not_bb()
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_cc(0.1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(1.0 / intdump_decim)
self.blocks_integrate_xx_0 = blocks.integrate_ff(intdump_decim, 1)
self.blocks_head_0 = blocks.head(gr.sizeof_char * 1, int(N_BITS))
self.blocks_and_const_xx_0 = blocks.and_const_bb(1)
##################################################
# Connections
##################################################
self.connect((self.blocks_and_const_xx_0, 0), (self.blocks_uchar_to_float_0, 0))
self.connect((self.blocks_head_0, 0), (self.digital_scrambler_bb_0, 0))
self.connect(
(self.blocks_integrate_xx_0, 0), (self.blocks_multiply_const_vxx_0, 0)
)
self.connect(
(self.blocks_multiply_const_vxx_0, 0), (self.blocks_vector_sink_x_0, 0)
)
self.connect(
(self.blocks_multiply_const_vxx_1, 0), (self.lilacsat1_ber_bpsk_0, 0)
)
self.connect((self.blocks_not_xx_0, 0), (self.blocks_and_const_xx_0, 0))
self.connect(
(self.blocks_pack_k_bits_bb_0, 0),
(self.digital_constellation_modulator_0, 0),
)
self.connect((self.blocks_skiphead_0, 0), (self.blocks_not_xx_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_integrate_xx_0, 0))
self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_head_0, 0))
self.connect(
(self.channels_channel_model_0, 0), (self.blocks_multiply_const_vxx_1, 0)
)
self.connect(
(self.digital_constellation_modulator_0, 0),
(self.channels_channel_model_0, 0),
)
self.connect((self.digital_descrambler_bb_0, 0), (self.blocks_skiphead_0, 0))
self.connect(
(self.digital_diff_decoder_bb_0, 0), (self.digital_descrambler_bb_0, 0)
)
self.connect(
(self.digital_diff_encoder_bb_0, 0), (self.blocks_pack_k_bits_bb_0, 0)
)
self.connect(
(self.digital_scrambler_bb_0, 0), (self.digital_diff_encoder_bb_0, 0)
)
self.connect(
(self.lilacsat1_ber_bpsk_0, 0), (self.digital_diff_decoder_bb_0, 0)
)
def __init__(self,
addr='0.0.0.0',
bb_gain=.4,
rx_gain=20,
tx_correct=0,
tx_freq=433e6,
tx_gain=20,
tx_offset=50e3):
gr.top_block.__init__(self, "MGS Rocksat Transceiver v2.0")
Qt.QWidget.__init__(self)
self.setWindowTitle("MGS Rocksat Transceiver v2.0")
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_trx_1")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.addr = addr
self.bb_gain = bb_gain
self.rx_gain = rx_gain
self.tx_correct = tx_correct
self.tx_freq = tx_freq
self.tx_gain = tx_gain
self.tx_offset = tx_offset
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 500e3
self.baud = baud = 10e3
self.samps_per_symb = samps_per_symb = int(samp_rate / baud)
self.rx_freq = rx_freq = 433e6
self.mult = mult = (samp_rate) / 2 / 3.141593
self.decim = decim = 10
self.alpha = alpha = 0.5
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0_0 = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0_0.set_center_freq(
uhd.tune_request(rx_freq, samp_rate / 2), 0)
self.uhd_usrp_source_0_0.set_gain(rx_gain, 0)
self.uhd_usrp_source_0_0.set_antenna('RX2', 0)
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(
uhd.tune_request(tx_freq + tx_correct, tx_offset), 0)
self.uhd_usrp_sink_0.set_gain(tx_gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=decim,
taps=None,
fractional_bw=None,
)
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.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / decim, #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(True)
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_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.pyqt_text_input_0 = pyqt.text_input()
self._pyqt_text_input_0_win = self.pyqt_text_input_0
self.top_layout.addWidget(self._pyqt_text_input_0_win)
self.low_pass_filter_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, 15e3, 1000, firdes.WIN_HAMMING,
6.76))
self.kiss_hdlc_framer_0 = kiss.hdlc_framer(preamble_bytes=48,
postamble_bytes=10)
self.kiss_hdlc_deframer_0 = kiss.hdlc_deframer(check_fcs=True,
max_length=256)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=50,
bt=alpha,
verbose=False,
log=False,
)
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_1 = blocks.socket_pdu("TCP_SERVER", addr,
'52003', 1024, False)
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_pdu_set_0 = blocks.pdu_set(pmt.intern("key"),
pmt.intern("value"))
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc(
(bb_gain, ))
self.blocks_message_debug_0 = blocks.message_debug()
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(10)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_0_1, 'pdus'),
(self.kiss_hdlc_framer_0, 'in'))
self.msg_connect((self.kiss_hdlc_deframer_0, 'out'),
(self.blocks_message_debug_0, 'print'))
self.msg_connect((self.kiss_hdlc_deframer_0, 'out'),
(self.blocks_message_debug_0, 'print_pdu'))
self.msg_connect((self.kiss_hdlc_framer_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.pyqt_text_input_0, 'pdus'),
(self.kiss_hdlc_framer_0, 'in'))
self.connect((self.analog_quadrature_demod_cf_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0),
(self.digital_gmsk_mod_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.digital_scrambler_bb_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_clock_recovery_mm_xx_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.digital_descrambler_bb_0, 0),
(self.kiss_hdlc_deframer_0, 0))
self.connect((self.digital_gmsk_mod_0, 0),
(self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.low_pass_filter_0, 0),
(self.analog_quadrature_demod_cf_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.uhd_usrp_source_0_0, 0),
(self.low_pass_filter_0, 0))
self.connect((self.uhd_usrp_source_0_0, 0),
(self.rational_resampler_xxx_0, 0))
def __init__(self,
baudrate=9600,
default_attenuation=10,
default_dev=4950 / 2,
default_input=0,
default_ip='127.0.0.1',
default_port=5000,
freq=435750000,
samp_rate_tx=1920000,
sdr_dev='uhd=0'):
gr.top_block.__init__(self, "GFSK TX")
Qt.QWidget.__init__(self)
self.setWindowTitle("GFSK TX")
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", "gfsk_tx_1U")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.baudrate = baudrate
self.default_attenuation = default_attenuation
self.default_dev = default_dev
self.default_input = default_input
self.default_ip = default_ip
self.default_port = default_port
self.freq = freq
self.samp_rate_tx = samp_rate_tx
self.sdr_dev = sdr_dev
##################################################
# Variables
##################################################
self.interp_tx = interp_tx = samp_rate_tx / baudrate
self.sensitivity = sensitivity = 2 * math.pi * default_dev / samp_rate_tx
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
1, samp_rate_tx, interp_tx, 0.3, 88)
self.freq_offset = freq_offset = 0
self.bt = bt = 0.5
self.attenuation = attenuation = default_attenuation
##################################################
# Blocks
##################################################
self._freq_offset_range = Range(-20000, 20000, 100, 0, 200)
self._freq_offset_win = RangeWidget(self._freq_offset_range,
self.set_freq_offset,
'Signal Frequency Offset',
"counter_slider", int)
self.top_grid_layout.addWidget(self._freq_offset_win, 0, 2, 1, 2)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._bt_range = Range(0, 1, 0.05, 0.5, 200)
self._bt_win = RangeWidget(self._bt_range, self.set_bt, 'Gaussian BT',
"counter_slider", float)
self.top_grid_layout.addWidget(self._bt_win, 0, 4, 1, 2)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(4, 6):
self.top_grid_layout.setColumnStretch(c, 1)
self._attenuation_range = Range(0, 100, 1, default_attenuation, 200)
self._attenuation_win = RangeWidget(self._attenuation_range,
self.set_attenuation,
'Signal Attenuation',
"counter_slider", int)
self.top_grid_layout.addWidget(self._attenuation_win, 0, 0, 1, 2)
for r in range(0, 1):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate_tx, #bw
"", #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.10)
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, 3,
0, 2, 6)
for r in range(3, 5):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 6):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
500, #size
samp_rate_tx, #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(-2, 2)
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, 1, 0, 1,
3)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 3):
self.top_grid_layout.setColumnStretch(c, 1)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate_tx, #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 = [2, 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, 1, 3, 1,
3)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(3, 6):
self.top_grid_layout.setColumnStretch(c, 1)
self.iio_fmcomms2_sink_0 = iio.fmcomms2_sink_f32c(
'ip:pluto.local', freq + freq_offset, samp_rate_tx, 20000000, True,
False, 0x8000, False, "A", attenuation, 10.0, '', True)
self.digital_scrambler_bb_1 = digital.scrambler_bb(0x21, 0x7F, 16)
self.digital_gfsk_mod_0 = digital.gfsk_mod(
samples_per_symbol=interp_tx,
sensitivity=sensitivity,
bt=bt,
verbose=False,
log=False,
)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blks2_tcp_source = grc_blks2.tcp_source(
itemsize=gr.sizeof_char * 1,
addr=default_ip,
port=default_port,
server=True,
)
##################################################
# Connections
##################################################
self.connect((self.blks2_tcp_source, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0),
(self.digital_gfsk_mod_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.digital_scrambler_bb_1, 0))
self.connect((self.digital_gfsk_mod_0, 0),
(self.iio_fmcomms2_sink_0, 0))
self.connect((self.digital_gfsk_mod_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.digital_gfsk_mod_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.digital_gfsk_mod_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.digital_scrambler_bb_1, 0),
(self.blocks_pack_k_bits_bb_0, 0))
def __init__(
self,
EbN0=0,
esprit_decimation=128,
fc=436e6,
mx=4,
my=4,
n=1,
phi=50,
rs_decimation=8,
theta=30,
):
gr.top_block.__init__(self, "BER Simulation")
##################################################
# Parameters
##################################################
self.EbN0 = EbN0
self.esprit_decimation = esprit_decimation
self.fc = fc
self.mx = mx
self.my = my
self.n = n
self.phi = phi
self.rs_decimation = rs_decimation
self.theta = theta
##################################################
# Variables
##################################################
self.sps = sps = 5
self.N_BITS = N_BITS = 1e5
self.samp_rate = samp_rate = 32000
self.noise_voltage = noise_voltage = 1.0 / math.sqrt(
1 / float(sps) * 10**(float(EbN0) / 10))
self.intdump_decim = intdump_decim = min(int(N_BITS / 10), 100000)
self.const = const = digital.constellation_bpsk().base()
self.alpha = alpha = 0.35
self.SKIP = SKIP = 1000
self.RAND_SEED = RAND_SEED = 42
##################################################
# Blocks
##################################################
self.lilacsat1_ber_bpsk_0 = lilacsat1_ber_bpsk(
bfo=12000,
callsign="",
ip="::",
latitude=0,
longitude=0,
port=7355,
recstart="",
)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_descrambler_bb_0 = digital.descrambler_bb(0x21, 0x00, 16)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=const,
differential=False,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=alpha,
verbose=False,
log=False,
)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise_voltage,
frequency_offset=0.0,
epsilon=1.0,
taps=(
0,
0,
(1 + 1j) / numpy.sqrt(2),
),
noise_seed=RAND_SEED,
block_tags=False,
)
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(
gr.sizeof_gr_complex * 1, mx * my)
self.blocks_vector_source_x_0 = blocks.vector_source_b([1], True, 1,
[])
self.blocks_vector_sink_x_0_0_0 = blocks.vector_sink_f(1, 1024)
self.blocks_vector_sink_x_0_0 = blocks.vector_sink_f(1, 1024)
self.blocks_vector_sink_x_0 = blocks.vector_sink_f(1, 1024)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_stream_to_vector_0 = blocks.stream_to_vector(
gr.sizeof_gr_complex * 1, mx * my)
self.blocks_skiphead_0 = blocks.skiphead(gr.sizeof_char * 1, SKIP)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_not_xx_0 = blocks.not_bb()
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_cc(0.1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(
1.0 / intdump_decim)
self.blocks_integrate_xx_0 = blocks.integrate_ff(intdump_decim, 1)
self.blocks_head_0 = blocks.head(gr.sizeof_char * 1, int(N_BITS))
self.blocks_and_const_xx_0 = blocks.and_const_bb(1)
self.beamforming_randomsampler_py_cc_0_0 = beamforming.randomsampler_py_cc(
mx * my, rs_decimation)
self.beamforming_phasedarray_py_cc_0 = beamforming.phasedarray_py_cc(
mx, my, theta, phi, fc, 0)
self.beamforming_doaesprit_py_cf_0 = beamforming.doaesprit_py_cf(
128, mx, my, fc, n)
self.beamforming_beamformer_py_cc_0 = beamforming.beamformer_py_cc(
mx, my, fc, 0, 0, 8 * 128)
##################################################
# Connections
##################################################
self.connect(
(self.beamforming_beamformer_py_cc_0, 0),
(self.blocks_multiply_const_vxx_1, 0),
)
self.connect(
(self.beamforming_doaesprit_py_cf_0, 0),
(self.beamforming_beamformer_py_cc_0, 1),
)
self.connect(
(self.beamforming_doaesprit_py_cf_0, 1),
(self.beamforming_beamformer_py_cc_0, 2),
)
self.connect((self.beamforming_doaesprit_py_cf_0, 0),
(self.blocks_vector_sink_x_0_0, 0))
self.connect(
(self.beamforming_doaesprit_py_cf_0, 1),
(self.blocks_vector_sink_x_0_0_0, 0),
)
self.connect(
(self.beamforming_phasedarray_py_cc_0, 0),
(self.blocks_vector_to_stream_0, 0),
)
self.connect(
(self.beamforming_randomsampler_py_cc_0_0, 0),
(self.beamforming_doaesprit_py_cf_0, 0),
)
self.connect((self.blocks_and_const_xx_0, 0),
(self.blocks_uchar_to_float_0, 0))
self.connect((self.blocks_head_0, 0), (self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_integrate_xx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_vector_sink_x_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0),
(self.lilacsat1_ber_bpsk_0, 0))
self.connect((self.blocks_not_xx_0, 0),
(self.blocks_and_const_xx_0, 0))
self.connect(
(self.blocks_pack_k_bits_bb_0, 0),
(self.digital_constellation_modulator_0, 0),
)
self.connect((self.blocks_skiphead_0, 0), (self.blocks_not_xx_0, 0))
self.connect(
(self.blocks_stream_to_vector_0, 0),
(self.beamforming_beamformer_py_cc_0, 0),
)
self.connect(
(self.blocks_stream_to_vector_0, 0),
(self.beamforming_randomsampler_py_cc_0_0, 0),
)
self.connect((self.blocks_uchar_to_float_0, 0),
(self.blocks_integrate_xx_0, 0))
self.connect((self.blocks_vector_source_x_0, 0),
(self.blocks_head_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.blocks_stream_to_vector_0, 0))
self.connect(
(self.digital_constellation_modulator_0, 0),
(self.beamforming_phasedarray_py_cc_0, 0),
)
self.connect((self.digital_descrambler_bb_0, 0),
(self.blocks_skiphead_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.digital_descrambler_bb_0, 0))
self.connect((self.digital_diff_encoder_bb_0, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.digital_diff_encoder_bb_0, 0))
self.connect((self.lilacsat1_ber_bpsk_0, 0),
(self.digital_diff_decoder_bb_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Gfsk Loopback")
Qt.QWidget.__init__(self)
self.setWindowTitle("Gfsk Loopback")
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", "gfsk_loopback")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 8
self.samp_rate = samp_rate = 32000
self.fm_sensitivity = fm_sensitivity = 1
self.enc = enc = fec.tpc_encoder_make(([3]), ([43]), 26, 6, 9, 3);
self.dec = dec = fec.tpc_decoder_make(([3]), ([43]), 26, 6, 9, 3, 6, 0);
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_1_1 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
'TX_BITS', #name
1 #number of inputs
)
self.qtgui_time_sink_x_1_1.set_update_time(0.10)
self.qtgui_time_sink_x_1_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_1_1.enable_autoscale(False)
self.qtgui_time_sink_x_1_1.enable_grid(False)
self.qtgui_time_sink_x_1_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1_1.enable_control_panel(False)
self.qtgui_time_sink_x_1_1.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_1_1.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_1_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_1_win)
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
'RX_BITS', #name
1 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_1.enable_autoscale(False)
self.qtgui_time_sink_x_1.enable_grid(False)
self.qtgui_time_sink_x_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1.enable_control_panel(False)
self.qtgui_time_sink_x_1.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_1.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_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_1_win)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0.set_update_time(1.0/10)
self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_sink_x_0_win)
self.qtgui_sink_x_0.enable_rf_freq(False)
self._fm_sensitivity_range = Range(0, 10, 0.01, 1, 200)
self._fm_sensitivity_win = RangeWidget(self._fm_sensitivity_range, self.set_fm_sensitivity, "fm_sensitivity", "counter_slider", float)
self.top_grid_layout.addWidget(self._fm_sensitivity_win)
self.fec_extended_encoder_0 = fec.extended_encoder(encoder_obj_list=enc, threading= None, puncpat='11')
self.fec_extended_decoder_0 = fec.extended_decoder(decoder_obj_list=dec, threading= None, ann=None, puncpat='11', integration_period=10000)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x8A, 0x7F, 7)
self.digital_map_bb_0 = digital.map_bb(([-1, 1]))
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=4,
bt=0.35,
verbose=False,
log=False,
)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=4,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.digital_descrambler_bb_0 = digital.descrambler_bb(0x8A, 0x7F, 7)
self.blocks_vector_source_x_0 = blocks.vector_source_b((0, 0, 0x55, 0x55), True, 1, [])
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
##################################################
# Connections
##################################################
self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_1_1, 0))
self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_1, 0))
self.connect((self.blocks_char_to_float_0_1, 0), (self.fec_extended_decoder_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.digital_gmsk_mod_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.digital_gmsk_demod_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_vector_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.digital_descrambler_bb_0, 0), (self.blocks_char_to_float_0_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.digital_map_bb_0, 0))
self.connect((self.digital_gmsk_mod_0, 0), (self.blocks_throttle_0_0, 0))
self.connect((self.digital_map_bb_0, 0), (self.blocks_char_to_float_0_1, 0))
self.connect((self.digital_scrambler_bb_0, 0), (self.fec_extended_encoder_0, 0))
self.connect((self.fec_extended_decoder_0, 0), (self.digital_descrambler_bb_0, 0))
self.connect((self.fec_extended_encoder_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Simple QAM Simulation")
Qt.QWidget.__init__(self)
self.setWindowTitle("Simple QAM Simulation")
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.constellation_cardinality = constellation_cardinality = 16
self.const_object = const_object = constellations()['qam'](constellation_cardinality)
self.snr_db = snr_db = 20
self.constellation = constellation = const_object.points()
self.sps = sps = 8
self.samp_rate = samp_rate = 250000
self.noise_amp = noise_amp = sqrt( (10**(-snr_db/10.)) /2. )
self.constellation_power = constellation_power = sqrt(sum([abs(i)**2 for i in constellation])/constellation_cardinality)
##################################################
# Blocks
##################################################
self.tabid_0 = Qt.QTabWidget()
self.tabid_0_widget_0 = Qt.QWidget()
self.tabid_0_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_0_widget_0)
self.tabid_0_grid_layout_0 = Qt.QGridLayout()
self.tabid_0_layout_0.addLayout(self.tabid_0_grid_layout_0)
self.tabid_0.addTab(self.tabid_0_widget_0, "TX")
self.tabid_0_widget_1 = Qt.QWidget()
self.tabid_0_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_0_widget_1)
self.tabid_0_grid_layout_1 = Qt.QGridLayout()
self.tabid_0_layout_1.addLayout(self.tabid_0_grid_layout_1)
self.tabid_0.addTab(self.tabid_0_widget_1, "CHANNEL")
self.tabid_0_widget_2 = Qt.QWidget()
self.tabid_0_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_0_widget_2)
self.tabid_0_grid_layout_2 = Qt.QGridLayout()
self.tabid_0_layout_2.addLayout(self.tabid_0_grid_layout_2)
self.tabid_0.addTab(self.tabid_0_widget_2, "RX")
self.top_grid_layout.addWidget(self.tabid_0, 30,0,10,100)
self.tabid_2 = Qt.QTabWidget()
self.tabid_2_widget_0 = Qt.QWidget()
self.tabid_2_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_2_widget_0)
self.tabid_2_grid_layout_0 = Qt.QGridLayout()
self.tabid_2_layout_0.addLayout(self.tabid_2_grid_layout_0)
self.tabid_2.addTab(self.tabid_2_widget_0, "symbol-based")
self.tabid_2_widget_1 = Qt.QWidget()
self.tabid_2_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_2_widget_1)
self.tabid_2_grid_layout_1 = Qt.QGridLayout()
self.tabid_2_layout_1.addLayout(self.tabid_2_grid_layout_1)
self.tabid_2.addTab(self.tabid_2_widget_1, "bit-based")
self.tabid_2_widget_2 = Qt.QWidget()
self.tabid_2_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_2_widget_2)
self.tabid_2_grid_layout_2 = Qt.QGridLayout()
self.tabid_2_layout_2.addLayout(self.tabid_2_grid_layout_2)
self.tabid_2.addTab(self.tabid_2_widget_2, "BER")
self.tabid_0_layout_2.addWidget(self.tabid_2)
self.tabid_1 = Qt.QTabWidget()
self.tabid_1_widget_0 = Qt.QWidget()
self.tabid_1_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_1_widget_0)
self.tabid_1_grid_layout_0 = Qt.QGridLayout()
self.tabid_1_layout_0.addLayout(self.tabid_1_grid_layout_0)
self.tabid_1.addTab(self.tabid_1_widget_0, "bit-based")
self.tabid_1_widget_1 = Qt.QWidget()
self.tabid_1_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_1_widget_1)
self.tabid_1_grid_layout_1 = Qt.QGridLayout()
self.tabid_1_layout_1.addLayout(self.tabid_1_grid_layout_1)
self.tabid_1.addTab(self.tabid_1_widget_1, "scrambled")
self.tabid_1_widget_2 = Qt.QWidget()
self.tabid_1_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabid_1_widget_2)
self.tabid_1_grid_layout_2 = Qt.QGridLayout()
self.tabid_1_layout_2.addLayout(self.tabid_1_grid_layout_2)
self.tabid_1.addTab(self.tabid_1_widget_2, "symbol-based")
self.tabid_0_grid_layout_0.addWidget(self.tabid_1, 0,0,10,10)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #bw
"QT GUI Plot", #name
1 #number of inputs
)
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_2.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_sink_x_0_1_0_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_1_0_0.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_0.addWidget(self._qtgui_sink_x_0_1_0_0_win)
self.qtgui_sink_x_0_1_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_0_win = sip.wrapinstance(self.qtgui_sink_x_0_1_0.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_1.addWidget(self._qtgui_sink_x_0_1_0_win)
self.qtgui_sink_x_0_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_1_win = sip.wrapinstance(self.qtgui_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.tabid_1_layout_2.addWidget(self._qtgui_sink_x_0_1_win)
self.qtgui_sink_x_0_0_0_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_0_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_0.addWidget(self._qtgui_sink_x_0_0_0_0_win)
self.qtgui_sink_x_0_0_0 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.tabid_2_layout_1.addWidget(self._qtgui_sink_x_0_0_0_win)
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
False, #plotwaterfall
True, #plottime
False, #plotconst
)
self._qtgui_sink_x_0_0_win = sip.wrapinstance(self.qtgui_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.tabid_0_layout_1.addWidget(self._qtgui_sink_x_0_0_win)
self.gr_vector_source_x_0_0 = gr.vector_source_b(([1,0]), True, 1)
self.gr_vector_source_x_0 = gr.vector_source_b(([1,0]), True, 1)
self.gr_unpack_k_bits_bb_0 = gr.unpack_k_bits_bb(int(log2(constellation_cardinality)))
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.gr_pack_k_bits_bb_0 = gr.pack_k_bits_bb(int(log2(constellation_cardinality)))
self.gr_null_sink_0 = gr.null_sink(gr.sizeof_char*1)
self.gr_noise_source_x_0 = gr.noise_source_c(gr.GR_GAUSSIAN, noise_amp, 0)
self.gr_nlog10_ff_0 = gr.nlog10_ff(1, 1, 0)
self.gr_multiply_const_vxx_0_0 = gr.multiply_const_vcc((1./constellation_power, ))
self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc((constellation_power, ))
self.gr_file_sink_0_1_0 = gr.file_sink(gr.sizeof_gr_complex*1, "rx_sym.32fc")
self.gr_file_sink_0_1_0.set_unbuffered(False)
self.gr_file_sink_0_1 = gr.file_sink(gr.sizeof_gr_complex*1, "tx_sym.32fc")
self.gr_file_sink_0_1.set_unbuffered(False)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_char*1, "rx.8b")
self.gr_file_sink_0_0.set_unbuffered(False)
self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char*1, "tx.8b")
self.gr_file_sink_0.set_unbuffered(False)
self.gr_descrambler_bb_0 = gr.descrambler_bb(0xe4001, 0x7ffff, 19)
self.gr_char_to_float_1_0 = gr.char_to_float(1, 1)
self.gr_char_to_float_1 = gr.char_to_float(1, 1)
self.gr_char_to_float_0 = gr.char_to_float(1, 1)
self.gr_add_xx_0 = gr.add_vcc(1)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0xe4001, 0x7fffF, 19)
self.digital_constellation_receiver_cb_0 = digital.constellation_receiver_cb(const_object.base(), 6.28/100, -0.25, +0.25)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((constellation), 1)
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=samp_rate,
bits_per_symbol=1,
)
##################################################
# Connections
##################################################
self.connect((self.gr_vector_source_x_0, 0), (self.digital_scrambler_bb_0, 0))
self.connect((self.digital_scrambler_bb_0, 0), (self.gr_pack_k_bits_bb_0, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0), (self.gr_file_sink_0_0, 0))
self.connect((self.digital_constellation_receiver_cb_0, 0), (self.gr_unpack_k_bits_bb_0, 0))
self.connect((self.gr_unpack_k_bits_bb_0, 0), (self.gr_descrambler_bb_0, 0))
self.connect((self.gr_descrambler_bb_0, 0), (self.gr_null_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.digital_constellation_receiver_cb_0, 0))
self.connect((self.gr_descrambler_bb_0, 0), (self.gr_char_to_float_0, 0))
self.connect((self.gr_char_to_float_0, 0), (self.qtgui_sink_x_0_0_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_noise_source_x_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.gr_multiply_const_vxx_0_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0), (self.gr_file_sink_0_1, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0), (self.qtgui_sink_x_0_1, 0))
self.connect((self.gr_char_to_float_1, 0), (self.qtgui_sink_x_0_1_0, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0), (self.gr_char_to_float_1, 0))
self.connect((self.gr_pack_k_bits_bb_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.gr_char_to_float_1_0, 0), (self.qtgui_sink_x_0_1_0_0, 0))
self.connect((self.gr_vector_source_x_0, 0), (self.gr_char_to_float_1_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0), (self.gr_add_xx_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.qtgui_sink_x_0_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_file_sink_0_1_0, 0))
self.connect((self.gr_throttle_0, 0), (self.qtgui_sink_x_0_0_0_0, 0))
self.connect((self.gr_nlog10_ff_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blks2_error_rate_0, 0), (self.gr_nlog10_ff_0, 0))
self.connect((self.gr_vector_source_x_0_0, 0), (self.blks2_error_rate_0, 0))
self.connect((self.gr_descrambler_bb_0, 0), (self.blks2_error_rate_0, 1))
def __init__(self, EbN0, viterbi=False):
gr.top_block.__init__(self)
self.sps = 5
alpha = 0.35
const = digital.constellation_bpsk().base()
modulator = digital.generic_mod(
constellation=const,
differential=False,
samples_per_symbol=self.sps,
pre_diff_code=True,
excess_bw=alpha,
verbose=False,
log=False,
)
channel = channels.channel_model(
noise_voltage=self.EbN0_to_noise_voltage(EbN0, viterbi),
frequency_offset=0,
epsilon=1.0,
taps=(0, 0, (1+1j)/numpy.sqrt(2), ),
noise_seed=RAND_SEED,
block_tags=False
)
self.sink = blocks.vector_sink_f()
biterrors = BitErrors()
dut = lilacsat1_ber_viterbi() if viterbi else lilacsat1_ber_bpsk()
pack = blocks.pack_k_bits_bb(8)
descrambler = digital.descrambler_bb(0x21, 0x00, 16)
self.connect(blocks.vector_source_b([1], repeat=True),
blocks.head(gr.sizeof_char, int(N_BITS)),
digital.scrambler_bb(0x21, 0x00, 16),
digital.diff_encoder_bb(2),
pack)
self.connect(modulator, channel,
blocks.multiply_const_cc(0.1), # we set some amplitude to test the agc # signal amplitude 1 seems very important
dut,
digital.diff_decoder_bb(2),
descrambler)
self.connect(biterrors, self.sink)
if viterbi:
deinterleave_viterbi = blocks.deinterleave(gr.sizeof_char)
interleave_viterbi = blocks.interleave(gr.sizeof_char)
self.connect(pack,
fec.encode_ccsds_27_bb(),
deinterleave_viterbi)
self.connect((deinterleave_viterbi, 0),
(interleave_viterbi, 1))
self.connect((deinterleave_viterbi, 1),
blocks.not_bb(),
blocks.and_const_bb(1),
(interleave_viterbi, 0))
self.connect(interleave_viterbi,
blocks.pack_k_bits_bb(8),
modulator)
descrambler2 = digital.descrambler_bb(0x21, 0x00, 16)
self.connect((dut, 1),
digital.diff_decoder_bb(2),
descrambler2)
or2 = blocks.or_bb()
self.connect(descrambler, or2)
self.connect(descrambler2, (or2, 1))
self.connect(or2, biterrors)
#self.sinkviterbi1 = blocks.vector_sink_b()
#self.sinkviterbi2 = blocks.vector_sink_b()
#self.connect(descrambler, self.sinkviterbi1)
#self.connect(descrambler2, self.sinkviterbi2)
else:
self.connect(pack, modulator)
self.connect(descrambler, biterrors)
def __init__(self,
gs_name='VTGS',
ip='0.0.0.0',
meta_rate=.1,
port='52003',
record_iq=0,
record_rfo=0,
record_snr=0,
tx_freq=1265e6,
tx_offset=250e3):
gr.top_block.__init__(self, "VTGS Rocksat-X 2017 Transceiver v2.0")
Qt.QWidget.__init__(self)
self.setWindowTitle("VTGS Rocksat-X 2017 Transceiver v2.0")
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", "vtgs_trx_file")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.gs_name = gs_name
self.ip = ip
self.meta_rate = meta_rate
self.port = port
self.record_iq = record_iq
self.record_rfo = record_rfo
self.record_snr = record_snr
self.tx_freq = tx_freq
self.tx_offset = tx_offset
##################################################
# Variables
##################################################
self.ts_str = ts_str = dt.strftime(dt.utcnow(),
"%Y%m%d_%H%M%S.%f") + '_UTC'
self.samp_rate = samp_rate = 500e3
self.baud = baud = 125e3
self.snr_fn = snr_fn = "{:s}_{:s}.snr".format(gs_name, ts_str)
self.samps_per_symb = samps_per_symb = int(samp_rate / baud)
self.rx_freq = rx_freq = 2395e6
self.rfo_fn = rfo_fn = "{:s}_{:s}.rfo".format(gs_name, ts_str)
self.iq_fn = iq_fn = "{:s}_{:s}_{:s}k.fc32".format(
gs_name, ts_str, str(int(samp_rate) / 1000))
self.alpha = alpha = 0.5
self.uplink_label = uplink_label = ''
self.tx_gain = tx_gain = 25
self.tx_correct = tx_correct = 2000
self.snr_fp = snr_fp = "/captures/rocksat/{:s}".format(snr_fn)
self.rx_offset = rx_offset = 250e3
self.rx_gain = rx_gain = 1
self.rx_freq_lbl = rx_freq_lbl = "{:4.3f}".format(rx_freq / 1e6)
self.rrc_filter_taps = rrc_filter_taps = firdes.root_raised_cosine(
32, 1.0, 1.0 / (samps_per_symb * 32), alpha, samps_per_symb * 32)
self.rfo_fp = rfo_fp = "/captures/rocksat/{:s}".format(rfo_fn)
self.mult = mult = (samp_rate) / 2 / 3.141593
self.lpf_taps = lpf_taps = firdes.low_pass(1.0, samp_rate,
samp_rate / 2, 1000,
firdes.WIN_HAMMING, 6.76)
self.lo = lo = 1833e6
self.khz_offset = khz_offset = 0
self.iq_fp = iq_fp = "/captures/rocksat/{:s}".format(iq_fn)
self.bb_gain = bb_gain = .75
##################################################
# Blocks
##################################################
self._khz_offset_range = Range(-150, 150, 1, 0, 200)
self._khz_offset_win = RangeWidget(self._khz_offset_range,
self.set_khz_offset, 'Offset [kHz]',
"counter_slider", float)
self.top_grid_layout.addWidget(self._khz_offset_win, 4, 8, 1, 4)
self._bb_gain_range = Range(0, 1, .01, .75, 200)
self._bb_gain_win = RangeWidget(self._bb_gain_range, self.set_bb_gain,
'bb_gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._bb_gain_win, 11, 8, 1, 4)
self.vtgs_mult_descrambler_0 = vtgs.mult_descrambler(17, 0x3FFFF)
self.vtgs_ao40_decoder_0_0 = vtgs.ao40_decoder()
self._uplink_label_tool_bar = Qt.QToolBar(self)
if None:
self._uplink_label_formatter = None
else:
self._uplink_label_formatter = lambda x: str(x)
self._uplink_label_tool_bar.addWidget(Qt.QLabel('TX MSG' + ": "))
self._uplink_label_label = Qt.QLabel(
str(self._uplink_label_formatter(self.uplink_label)))
self._uplink_label_tool_bar.addWidget(self._uplink_label_label)
self.top_grid_layout.addWidget(self._uplink_label_tool_bar, 9, 8, 1, 1)
self._tx_gain_range = Range(0, 86, 1, 25, 200)
self._tx_gain_win = RangeWidget(self._tx_gain_range, self.set_tx_gain,
'TX Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._tx_gain_win, 10, 8, 1, 4)
self._tx_correct_range = Range(-10000, 10000, 1, 2000, 200)
self._tx_correct_win = RangeWidget(self._tx_correct_range,
self.set_tx_correct, "tx_correct",
"counter_slider", float)
self.top_grid_layout.addWidget(self._tx_correct_win, 12, 8, 1, 4)
self._rx_gain_range = Range(0, 86, 1, 1, 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, 3, 8, 1, 4)
self._rx_freq_lbl_tool_bar = Qt.QToolBar(self)
if None:
self._rx_freq_lbl_formatter = None
else:
self._rx_freq_lbl_formatter = lambda x: str(x)
self._rx_freq_lbl_tool_bar.addWidget(Qt.QLabel('RX Freq [MHz]' + ": "))
self._rx_freq_lbl_label = Qt.QLabel(
str(self._rx_freq_lbl_formatter(self.rx_freq_lbl)))
self._rx_freq_lbl_tool_bar.addWidget(self._rx_freq_lbl_label)
self.top_grid_layout.addWidget(self._rx_freq_lbl_tool_bar, 0, 10, 1, 2)
self.rational_resampler_xxx_2 = filter.rational_resampler_ccc(
interpolation=1,
decimation=10,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=1,
decimation=8,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=8,
taps=None,
fractional_bw=None,
)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
4096, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'', #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0.enable_grid(True)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not False:
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 = ['pre-d', 'post', '', '', '', '', '', '', '', '']
colors = [0, 1, 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(-130, -20)
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, 5,
0, 4, 8)
self.qtgui_number_sink_2 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_2.set_update_time(0.10)
self.qtgui_number_sink_2.set_title("")
labels = ['EVM', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("blue", "red"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_2.set_min(i, -1)
self.qtgui_number_sink_2.set_max(i, 1)
self.qtgui_number_sink_2.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_2.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_2.set_label(i, labels[i])
self.qtgui_number_sink_2.set_unit(i, units[i])
self.qtgui_number_sink_2.set_factor(i, factor[i])
self.qtgui_number_sink_2.enable_autoscale(False)
self._qtgui_number_sink_2_win = sip.wrapinstance(
self.qtgui_number_sink_2.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_2_win, 2, 8, 1,
4)
self.qtgui_number_sink_0_0_0_0 = qtgui.number_sink(
gr.sizeof_float, 0, qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_0_0_0_0.set_update_time(0.10)
self.qtgui_number_sink_0_0_0_0.set_title("")
labels = ['SNR', '', '', '', '', '', '', '', '', '']
units = ['dB', '', '', '', '', '', '', '', '', '']
colors = [("blue", "red"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0_0_0_0.set_min(i, 0)
self.qtgui_number_sink_0_0_0_0.set_max(i, 30)
self.qtgui_number_sink_0_0_0_0.set_color(i, colors[i][0],
colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_0_0_0.set_label(
i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_0_0_0.set_label(i, labels[i])
self.qtgui_number_sink_0_0_0_0.set_unit(i, units[i])
self.qtgui_number_sink_0_0_0_0.set_factor(i, factor[i])
self.qtgui_number_sink_0_0_0_0.enable_autoscale(False)
self._qtgui_number_sink_0_0_0_0_win = sip.wrapinstance(
self.qtgui_number_sink_0_0_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_0_0_0_win, 1,
8, 1, 4)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_NONE, 1)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("")
labels = ['RX Freq Offset', 'SNR', '', '', '', '', '', '', '', '']
units = ['Hz', 'dB', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0.set_min(i, -1)
self.qtgui_number_sink_0.set_max(i, 1)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(False)
self._qtgui_number_sink_0_win = sip.wrapinstance(
self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win, 0, 8, 1,
2)
self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / 10, #bw
"TX 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_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_1.enable_autoscale(True)
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_axis_labels(True)
self.qtgui_freq_sink_x_1.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_1.disable_legend()
if "complex" == "float" or "complex" == "msg_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, 9, 0, 4,
8)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024 * 4, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.0010)
self.qtgui_freq_sink_x_0.set_y_axis(-140, -20)
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(True)
self.qtgui_freq_sink_x_0.set_fft_average(0.2)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not False:
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 = ['pre-d', 'post', '', '', '', '', '', '', '', '']
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(2):
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, 0, 0, 5,
8)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #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(-1, 1)
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(True)
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, 5, 8, 4,
4)
self.pyqt_text_input_0 = pyqt.text_input()
self._pyqt_text_input_0_win = self.pyqt_text_input_0
self.top_grid_layout.addWidget(self._pyqt_text_input_0_win, 9, 9, 1, 3)
self.mapper_demapper_soft_0 = mapper.demapper_soft(
mapper.BPSK, ([0, 1]))
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, (baud * (1 + alpha)) / 2, 1000,
firdes.WIN_HAMMING, 6.76))
self.kiss_hdlc_framer_0 = kiss.hdlc_framer(preamble_bytes=64,
postamble_bytes=16)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
1, (lpf_taps), khz_offset * 1000, samp_rate)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(
samps_per_symb, math.pi * 2 / 100, (rrc_filter_taps), 32, 16, 1.5,
1)
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=50,
bt=alpha,
verbose=False,
log=False,
)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(
math.pi * 2 / 100, 2, False)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
math.pi * 2 / 100, 2, False)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_socket_pdu_0_2 = blocks.socket_pdu("UDP_SERVER", ip,
'52002', 1024, False)
self.blocks_socket_pdu_0_1 = blocks.socket_pdu("TCP_SERVER", ip, port,
1024, False)
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_null_sink_0_0_0 = blocks.null_sink(gr.sizeof_float * 1)
self.blocks_null_sink_0_0 = blocks.null_sink(gr.sizeof_float * 1)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex * 1)
self.blocks_nlog10_ff_0_1 = blocks.nlog10_ff(10, 1, 0)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc(
(bb_gain, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((mult, ))
self.blocks_moving_average_xx_0_0_1 = blocks.moving_average_ff(
100000, 0.00001, 4000)
self.blocks_moving_average_xx_0_0 = blocks.moving_average_ff(
1000, 0.001, 4000)
self.blocks_moving_average_xx_0 = blocks.moving_average_ff(
100000, 0.00001, 4000)
self.blocks_keep_one_in_n_0_0 = blocks.keep_one_in_n(
gr.sizeof_float * 1, int(samp_rate * meta_rate))
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(
gr.sizeof_float * 1, int(samp_rate / 8 * meta_rate))
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_gr_complex * 1,
'/captures/rocksat/testing/trimmed_500k.fc32', True)
self.blocks_file_sink_1_0 = blocks.file_sink(gr.sizeof_float * 1,
rfo_fp, False)
self.blocks_file_sink_1_0.set_unbuffered(False)
self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_float * 1, snr_fp,
False)
self.blocks_file_sink_1.set_unbuffered(False)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex * 1,
iq_fp, False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_divide_xx_0 = blocks.divide_ff(1)
self.blocks_complex_to_mag_squared_0_0 = blocks.complex_to_mag_squared(
1)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.blks2_selector_0_0_0 = grc_blks2.selector(
item_size=gr.sizeof_float * 1,
num_inputs=1,
num_outputs=2,
input_index=0,
output_index=int(record_snr),
)
self.blks2_selector_0_0 = grc_blks2.selector(
item_size=gr.sizeof_float * 1,
num_inputs=1,
num_outputs=2,
input_index=0,
output_index=int(record_rfo),
)
self.blks2_selector_0 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex * 1,
num_inputs=1,
num_outputs=2,
input_index=0,
output_index=int(record_iq),
)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, 125e3, 1, 0)
self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-3, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_0_1, 'pdus'),
(self.kiss_hdlc_framer_0, 'in'))
self.msg_connect((self.blocks_socket_pdu_0_2, 'pdus'),
(self.kiss_hdlc_framer_0, 'in'))
self.msg_connect((self.kiss_hdlc_framer_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.pyqt_text_input_0, 'pdus'),
(self.kiss_hdlc_framer_0, 'in'))
self.msg_connect((self.vtgs_ao40_decoder_0_0, 'valid_frames'),
(self.blocks_socket_pdu_0_1, 'pdus'))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.digital_costas_loop_cc_0_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blks2_selector_0, 1), (self.blocks_file_sink_0, 0))
self.connect((self.blks2_selector_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.blks2_selector_0_0, 1),
(self.blocks_file_sink_1_0, 0))
self.connect((self.blks2_selector_0_0, 0),
(self.blocks_null_sink_0_0, 0))
self.connect((self.blks2_selector_0_0_0, 1),
(self.blocks_file_sink_1, 0))
self.connect((self.blks2_selector_0_0_0, 0),
(self.blocks_null_sink_0_0_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.qtgui_number_sink_2, 0))
self.connect((self.blocks_complex_to_mag_0, 0),
(self.blocks_moving_average_xx_0_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_divide_xx_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0_0, 0),
(self.blocks_divide_xx_0, 1))
self.connect((self.blocks_divide_xx_0, 0),
(self.blocks_nlog10_ff_0_1, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0),
(self.blks2_selector_0_0_0, 0))
self.connect((self.blocks_keep_one_in_n_0_0, 0),
(self.blks2_selector_0_0, 0))
self.connect((self.blocks_moving_average_xx_0, 0),
(self.blocks_keep_one_in_n_0_0, 0))
self.connect((self.blocks_moving_average_xx_0, 0),
(self.qtgui_number_sink_0, 0))
self.connect((self.blocks_moving_average_xx_0_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_moving_average_xx_0_0_1, 0),
(self.blocks_keep_one_in_n_0, 0))
self.connect((self.blocks_moving_average_xx_0_0_1, 0),
(self.qtgui_number_sink_0_0_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_moving_average_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.rational_resampler_xxx_2, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.blocks_nlog10_ff_0_1, 0),
(self.blocks_moving_average_xx_0_0_1, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0),
(self.digital_gmsk_mod_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blks2_selector_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.blocks_complex_to_mag_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.mapper_demapper_soft_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 1),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.vtgs_mult_descrambler_0, 0))
self.connect((self.digital_gmsk_mod_0, 0),
(self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_agc2_xx_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.digital_pfb_clock_sync_xxx_0_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.qtgui_freq_sink_x_0, 1))
self.connect((self.mapper_demapper_soft_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.blocks_complex_to_mag_squared_0_0, 0))
self.connect((self.rational_resampler_xxx_2, 0),
(self.qtgui_freq_sink_x_1, 0))
self.connect((self.vtgs_mult_descrambler_0, 0),
(self.vtgs_ao40_decoder_0_0, 0))
def __init__(self, tx_freq=401.5e6, tx_offset=250e3):
gr.top_block.__init__(self, "Simple GMSK/AX.25 Transmitter")
Qt.QWidget.__init__(self)
self.setWindowTitle("Simple GMSK/AX.25 Transmitter")
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_tx_file")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.tx_freq = tx_freq
self.tx_offset = tx_offset
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 240000
self.baud = baud = 9600
self.tx_gain = tx_gain = 0
self.tx_correct = tx_correct = -300
self.samps_per_symb = samps_per_symb = samp_rate/baud
self.interp = interp = 25
self.decim = decim = 24
self.bb_gain = bb_gain = .75
self.alpha = alpha = .5
##################################################
# Blocks
##################################################
self._bb_gain_range = Range(0, 1, .01, .75, 200)
self._bb_gain_win = RangeWidget(self._bb_gain_range, self.set_bb_gain, 'bb_gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._bb_gain_win, 6, 0, 1, 4)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.vcc_qt_hex_text_0 = vcc.qt_hex_text()
self._vcc_qt_hex_text_0_win = self.vcc_qt_hex_text_0;
self.top_grid_layout.addWidget(self._vcc_qt_hex_text_0_win, 0, 0, 2, 4)
for r in range(0, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._tx_gain_range = Range(0, 86, 1, 0, 200)
self._tx_gain_win = RangeWidget(self._tx_gain_range, self.set_tx_gain, 'TX Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._tx_gain_win, 7, 0, 1, 4)
for r in range(7, 8):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._tx_correct_range = Range(-10000, 10000, 1, -300, 200)
self._tx_correct_win = RangeWidget(self._tx_correct_range, self.set_tx_correct, "tx_correct", "counter_slider", float)
self.top_grid_layout.addWidget(self._tx_correct_win, 8, 0, 1, 4)
for r in range(8, 9):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=5,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=interp,
decimation=decim,
taps=None,
fractional_bw=None,
)
self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
2048, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate/decim * interp/5, #bw
"TX Spectrum", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_1.set_update_time(0.010)
self.qtgui_freq_sink_x_1.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB')
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(True)
self.qtgui_freq_sink_x_1.set_fft_average(1.0)
self.qtgui_freq_sink_x_1.enable_axis_labels(True)
self.qtgui_freq_sink_x_1.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_1.disable_legend()
if "complex" == "float" or "complex" == "msg_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, 2, 0, 4, 4)
for r in range(2, 6):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self.kiss_nrzi_encode_0 = kiss.nrzi_encode()
self.kiss_kiss_to_pdu_0 = kiss.kiss_to_pdu(True)
self.kiss_hdlc_framer_0 = kiss.hdlc_framer(preamble_bytes=64, postamble_bytes=64)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=int(samps_per_symb),
bt=alpha,
verbose=False,
log=False,
)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_gr_complex * 1, False)
self.blocks_tag_gate_0.set_single_key("packet_len")
self.blocks_socket_pdu_0_2 = blocks.socket_pdu("TCP_CLIENT", '0.0.0.0', '8000', 1024, False)
self.blocks_pdu_to_tagged_stream_1 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc((bb_gain, ))
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_0_2, 'pdus'), (self.blocks_pdu_to_tagged_stream_1, 'pdus'))
self.msg_connect((self.kiss_hdlc_framer_0, 'out'), (self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'), (self.kiss_hdlc_framer_0, 'in'))
self.msg_connect((self.kiss_kiss_to_pdu_0, 'out'), (self.vcc_qt_hex_text_0, 'pdus'))
self.connect((self.blocks_multiply_const_vxx_0_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.digital_gmsk_mod_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0), (self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_1, 0), (self.kiss_kiss_to_pdu_0, 0))
self.connect((self.blocks_tag_gate_0, 0), (self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.digital_gmsk_mod_0, 0), (self.blocks_tag_gate_0, 0))
self.connect((self.digital_scrambler_bb_0, 0), (self.kiss_nrzi_encode_0, 0))
self.connect((self.kiss_nrzi_encode_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.qtgui_freq_sink_x_1, 0))
def __init__(self, address='serial=30AD34D'):
gr.top_block.__init__(self, "MPSK TX RX")
Qt.QWidget.__init__(self)
self.setWindowTitle("MPSK TX RX")
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_TX_RX")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.address = address
##################################################
# Variables
##################################################
self.const_type = const_type = 2
self.bits_per_symbol = bits_per_symbol = int(const_type + 1)
self.samples_per_symbol = samples_per_symbol = int(2 *
(bits_per_symbol))
self.probe_SNR = probe_SNR = 0
self.nfilts = nfilts = 32
self.bitrate = bitrate = 64e3
self.variable_qtgui_label_0 = variable_qtgui_label_0 = {
0: 'BPSK',
1: 'QPSK',
2: '8-PSK'
}[const_type] + " - Change const_type for different constellation types!"
self.tun_gain_tx = tun_gain_tx = 40
self.tun_freq_tx = tun_freq_tx = 2.39e9
self.timing_bw = timing_bw = 2 * math.pi / 100.0
self.samp_rate = samp_rate = samples_per_symbol * bitrate
self.phase_bw = phase_bw = 2 * math.pi / 100.0
self.ntaps = ntaps = 11 * int(samples_per_symbol * nfilts)
self.lo_offset = lo_offset = 6e6
self.gain_rx = gain_rx = 0.75
self.freq_rx = freq_rx = 2390e6
self.freq_bw = freq_bw = 2 * math.pi / 100.0
self.fll_ntaps = fll_ntaps = 55
self.excess_bw = excess_bw = 0.35
self.constellation = constellation = (digital.constellation_bpsk(),
digital.constellation_qpsk(),
digital.constellation_8psk())
self.arrity = arrity = pow(2, bits_per_symbol)
self.ampl = ampl = 0.7
self.SNR = SNR = probe_SNR
##################################################
# Blocks
##################################################
self._tun_gain_tx_range = Range(0, 80, 1, 40, 200)
self._tun_gain_tx_win = RangeWidget(self._tun_gain_tx_range,
self.set_tun_gain_tx,
'UHD Tx Gain', "counter_slider",
float)
self.top_grid_layout.addWidget(self._tun_gain_tx_win, 1, 0, 1, 1)
self._tun_freq_tx_range = Range(2.3e9, 2.5e9, 1, 2.39e9, 200)
self._tun_freq_tx_win = RangeWidget(self._tun_freq_tx_range,
self.set_tun_freq_tx,
'UHD Tx Freq (Hz)',
"counter_slider", float)
self.top_grid_layout.addWidget(self._tun_freq_tx_win, 0, 0, 1, 1)
self._lo_offset_options = (
0,
6e6,
11e6,
)
self._lo_offset_labels = (
str(self._lo_offset_options[0]),
str(self._lo_offset_options[1]),
str(self._lo_offset_options[2]),
)
self._lo_offset_tool_bar = Qt.QToolBar(self)
self._lo_offset_tool_bar.addWidget(Qt.QLabel("lo_offset" + ": "))
self._lo_offset_combo_box = Qt.QComboBox()
self._lo_offset_tool_bar.addWidget(self._lo_offset_combo_box)
for label in self._lo_offset_labels:
self._lo_offset_combo_box.addItem(label)
self._lo_offset_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._lo_offset_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._lo_offset_options.index(i)))
self._lo_offset_callback(self.lo_offset)
self._lo_offset_combo_box.currentIndexChanged.connect(
lambda i: self.set_lo_offset(self._lo_offset_options[i]))
self.top_grid_layout.addWidget(self._lo_offset_tool_bar, 2, 1, 1, 1)
self._gain_rx_range = Range(0, 1, 0.01, 0.75, 200)
self._gain_rx_win = RangeWidget(self._gain_rx_range, self.set_gain_rx,
'UHD Rx Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._gain_rx_win, 1, 1, 1, 1)
self._freq_rx_range = Range(2350e6, 2500e6, 10e6, 2390e6, 200)
self._freq_rx_win = RangeWidget(self._freq_rx_range, self.set_freq_rx,
'UHD Rx Freq (Hz)', "counter_slider",
float)
self.top_grid_layout.addWidget(self._freq_rx_win, 0, 1, 1, 1)
self.digital_probe_mpsk_snr_est_c_0 = digital.probe_mpsk_snr_est_c(
2, 1000, 10 / bitrate)
self._const_type_options = (
0,
1,
2,
)
self._const_type_labels = (
'DBPSK',
'DQPSK',
'D8PSK',
)
self._const_type_tool_bar = Qt.QToolBar(self)
self._const_type_tool_bar.addWidget(Qt.QLabel("const_type" + ": "))
self._const_type_combo_box = Qt.QComboBox()
self._const_type_tool_bar.addWidget(self._const_type_combo_box)
for label in self._const_type_labels:
self._const_type_combo_box.addItem(label)
self._const_type_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._const_type_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._const_type_options.index(i)))
self._const_type_callback(self.const_type)
self._const_type_combo_box.currentIndexChanged.connect(
lambda i: self.set_const_type(self._const_type_options[i]))
self.top_layout.addWidget(self._const_type_tool_bar)
self._ampl_range = Range(0, 1, 0.01, 0.7, 200)
self._ampl_win = RangeWidget(self._ampl_range, self.set_ampl,
'Amplitude', "counter_slider", float)
self.top_grid_layout.addWidget(self._ampl_win, 2, 0, 1, 1)
self._variable_qtgui_label_0_tool_bar = Qt.QToolBar(self)
if None:
self._variable_qtgui_label_0_formatter = None
else:
self._variable_qtgui_label_0_formatter = lambda x: x
self._variable_qtgui_label_0_tool_bar.addWidget(
Qt.QLabel('Constellation Type' + ": "))
self._variable_qtgui_label_0_label = Qt.QLabel(
str(
self._variable_qtgui_label_0_formatter(
self.variable_qtgui_label_0)))
self._variable_qtgui_label_0_tool_bar.addWidget(
self._variable_qtgui_label_0_label)
self.top_layout.addWidget(self._variable_qtgui_label_0_tool_bar)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join((address, "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_clock_rate(30.72e6, uhd.ALL_MBOARDS)
self.uhd_usrp_source_0.set_subdev_spec('A:A', 0)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(
uhd.tune_request(freq_rx,
rf_freq=freq_rx - lo_offset,
rf_freq_policy=uhd.tune_request.POLICY_MANUAL), 0)
self.uhd_usrp_source_0.set_normalized_gain(gain_rx, 0)
self.uhd_usrp_source_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0_0 = uhd.usrp_sink(
",".join((address, "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0_0.set_clock_rate(30.72e6, uhd.ALL_MBOARDS)
self.uhd_usrp_sink_0_0.set_subdev_spec('A:B', 0)
self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0_0.set_center_freq(tun_freq_tx, 0)
self.uhd_usrp_sink_0_0.set_gain(tun_gain_tx, 0)
self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0)
self.qtgui_number_sink_0_1 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ,
1)
self.qtgui_number_sink_0_1.set_update_time(0.10)
self.qtgui_number_sink_0_1.set_title("BER")
labels = ['BER', '', '', '', '', '', '', '', '', '']
units = ['x10^-6', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1e6, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0_1.set_min(i, 0)
self.qtgui_number_sink_0_1.set_max(i, 1)
self.qtgui_number_sink_0_1.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_1.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_1.set_label(i, labels[i])
self.qtgui_number_sink_0_1.set_unit(i, units[i])
self.qtgui_number_sink_0_1.set_factor(i, factor[i])
self.qtgui_number_sink_0_1.enable_autoscale(True)
self._qtgui_number_sink_0_1_win = sip.wrapinstance(
self.qtgui_number_sink_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_0_1_win)
self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_0.set_update_time(0.10)
self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0_0.enable_autoscale(False)
self.qtgui_const_sink_x_0_0.enable_grid(False)
self.qtgui_const_sink_x_0_0.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_0_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_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_win, 3, 0,
1, 1)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #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, 3, 1, 1,
1)
def _probe_SNR_probe():
while True:
val = self.digital_probe_mpsk_snr_est_c_0.snr()
try:
self.set_probe_SNR(val)
except AttributeError:
pass
time.sleep(1.0 / (10))
_probe_SNR_thread = threading.Thread(target=_probe_SNR_probe)
_probe_SNR_thread.daemon = True
_probe_SNR_thread.start()
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
samples_per_symbol,
taps=(firdes.root_raised_cosine(nfilts, nfilts, 1.0, 0.35, ntaps)),
flt_size=nfilts)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x8A, 0x7F, 7)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
samples_per_symbol, timing_bw, (firdes.root_raised_cosine(
nfilts, nfilts * samples_per_symbol, 1.0, 0.35, ntaps)),
nfilts, nfilts // 2, 1.5, 1)
self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(
samples_per_symbol, excess_bw, fll_ntaps, freq_bw)
self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(arrity)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(arrity)
self.digital_descrambler_bb_0 = digital.descrambler_bb(0x8A, 0x7F, 7)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
timing_bw, pow(2, bits_per_symbol), False)
self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(
constellation[const_type].base())
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
(constellation[const_type].points()), 1)
self.blocks_vector_source_x_0_0 = blocks.vector_source_b([
1,
], True, 1, [])
self.blocks_vector_source_x_0 = blocks.vector_source_b([
1,
], True, 1, [])
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(
bits_per_symbol)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(bits_per_symbol)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((ampl, ))
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=10000,
bits_per_symbol=1,
)
self.analog_agc2_xx_0 = analog.agc2_cc(0.6e-1, 1e-3, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
self._SNR_tool_bar = Qt.QToolBar(self)
if None:
self._SNR_formatter = None
else:
self._SNR_formatter = lambda x: x
self._SNR_tool_bar.addWidget(Qt.QLabel("SNR" + ": "))
self._SNR_label = Qt.QLabel(str(self._SNR_formatter(self.SNR)))
self._SNR_tool_bar.addWidget(self._SNR_label)
self.top_layout.addWidget(self._SNR_tool_bar)
##################################################
# Connections
##################################################
self.connect((self.analog_agc2_xx_0, 0),
(self.digital_fll_band_edge_cc_0, 0))
self.connect((self.blks2_error_rate_0, 0),
(self.qtgui_number_sink_0_1, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.uhd_usrp_sink_0_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0),
(self.digital_diff_encoder_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.digital_descrambler_bb_0, 0))
self.connect((self.blocks_vector_source_x_0, 0),
(self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_vector_source_x_0_0, 0),
(self.blks2_error_rate_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.qtgui_const_sink_x_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.digital_constellation_decoder_cb_0_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.digital_probe_mpsk_snr_est_c_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.digital_descrambler_bb_0, 0),
(self.blks2_error_rate_0, 1))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.digital_diff_encoder_bb_0, 0),
(self.digital_chunks_to_symbols_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))
self.connect((self.digital_scrambler_bb_0, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.analog_agc2_xx_0, 0))
def __init__(self, address='serial=30AD34D'):
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())
##################################################
# Parameters
##################################################
self.address = address
##################################################
# Variables
##################################################
self.const_type = const_type = 1
self.bits_per_symbol = bits_per_symbol = int(const_type + 1)
self.samples_per_symbol = samples_per_symbol = int(2 *
(bits_per_symbol))
self.nfilts = nfilts = 32
self.bitrate = bitrate = 64e3
self.variable_qtgui_label_0 = variable_qtgui_label_0 = {
0: 'BPSK',
1: 'QPSK',
2: '8-PSK'
}[const_type] + " - Change const_type for different constellation types!"
self.tun_gain_tx = tun_gain_tx = 40
self.tun_freq_tx = tun_freq_tx = 2.39e9
self.samp_rate = samp_rate = samples_per_symbol * bitrate
self.ntaps = ntaps = 11 * int(samples_per_symbol * nfilts)
self.excess_bw = excess_bw = 0.35
self.constellation = constellation = (digital.constellation_bpsk(),
digital.constellation_qpsk(),
digital.constellation_8psk())
self.arrity = arrity = pow(2, bits_per_symbol)
self.ampl = ampl = 0.7
##################################################
# Blocks
##################################################
self._tun_gain_tx_range = Range(0, 80, 1, 40, 200)
self._tun_gain_tx_win = RangeWidget(self._tun_gain_tx_range,
self.set_tun_gain_tx,
'UHD Tx Gain', "counter_slider",
float)
self.top_grid_layout.addWidget(self._tun_gain_tx_win, 1, 0, 1, 1)
self._tun_freq_tx_range = Range(2.3e9, 2.5e9, 1, 2.39e9, 200)
self._tun_freq_tx_win = RangeWidget(self._tun_freq_tx_range,
self.set_tun_freq_tx,
'UHD Tx Freq (Hz)',
"counter_slider", float)
self.top_grid_layout.addWidget(self._tun_freq_tx_win, 0, 0, 1, 1)
self._const_type_options = (
0,
1,
2,
)
self._const_type_labels = (
'DBPSK',
'DQPSK',
'D8PSK',
)
self._const_type_tool_bar = Qt.QToolBar(self)
self._const_type_tool_bar.addWidget(Qt.QLabel("const_type" + ": "))
self._const_type_combo_box = Qt.QComboBox()
self._const_type_tool_bar.addWidget(self._const_type_combo_box)
for label in self._const_type_labels:
self._const_type_combo_box.addItem(label)
self._const_type_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._const_type_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._const_type_options.index(i)))
self._const_type_callback(self.const_type)
self._const_type_combo_box.currentIndexChanged.connect(
lambda i: self.set_const_type(self._const_type_options[i]))
self.top_layout.addWidget(self._const_type_tool_bar)
self._ampl_range = Range(0, 1, 0.01, 0.7, 200)
self._ampl_win = RangeWidget(self._ampl_range, self.set_ampl,
'Amplitude', "counter_slider", float)
self.top_grid_layout.addWidget(self._ampl_win, 2, 0, 1, 1)
self._variable_qtgui_label_0_tool_bar = Qt.QToolBar(self)
if None:
self._variable_qtgui_label_0_formatter = None
else:
self._variable_qtgui_label_0_formatter = lambda x: str(x)
self._variable_qtgui_label_0_tool_bar.addWidget(
Qt.QLabel('Constellation Type' + ": "))
self._variable_qtgui_label_0_label = Qt.QLabel(
str(
self._variable_qtgui_label_0_formatter(
self.variable_qtgui_label_0)))
self._variable_qtgui_label_0_tool_bar.addWidget(
self._variable_qtgui_label_0_label)
self.top_layout.addWidget(self._variable_qtgui_label_0_tool_bar)
self.uhd_usrp_sink_0_0 = uhd.usrp_sink(
",".join((address, "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0_0.set_clock_rate(30.72e6, uhd.ALL_MBOARDS)
self.uhd_usrp_sink_0_0.set_subdev_spec('A:B', 0)
self.uhd_usrp_sink_0_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0_0.set_center_freq(tun_freq_tx, 0)
self.uhd_usrp_sink_0_0.set_gain(tun_gain_tx, 0)
self.uhd_usrp_sink_0_0.set_antenna('TX/RX', 0)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
samples_per_symbol,
taps=(firdes.root_raised_cosine(nfilts, nfilts, 1.0, 0.35, ntaps)),
flt_size=nfilts)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x8A, 0x7F, 7)
self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(arrity)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc(
(constellation[const_type].points()), 1)
self.blocks_vector_source_x_0 = blocks.vector_source_b([
1,
], True, 1, [])
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(bits_per_symbol)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((ampl, ))
##################################################
# Connections
##################################################
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.uhd_usrp_sink_0_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0),
(self.digital_diff_encoder_bb_0, 0))
self.connect((self.blocks_vector_source_x_0, 0),
(self.digital_scrambler_bb_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.digital_diff_encoder_bb_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
def __init__(self):
gr.top_block.__init__(self,
"Superposition coding with MPSK modulation")
Qt.QWidget.__init__(self)
self.setWindowTitle("Superposition coding with MPSK modulation")
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.snr_db = snr_db = 10
self.noisevar = noisevar = 10**(-snr_db / 10)
self.block = block = 1000
self.alpha = alpha = .1
self.R = R = 100e3
##################################################
# Blocks
##################################################
self._alpha_range = Range(0, 1, .01, .1, 200)
self._alpha_win = RangeWidget(self._alpha_range, self.set_alpha,
'P1/P', "counter_slider", float)
self.top_layout.addWidget(self._alpha_win)
self._snr_db_range = Range(0, 20, 1, 10, 200)
self._snr_db_win = RangeWidget(self._snr_db_range, self.set_snr_db,
'P/sigma^2 (dB)', "counter_slider",
float)
self.top_layout.addWidget(self._snr_db_win)
self.qtgui_number_sink_0_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ,
1)
self.qtgui_number_sink_0_0.set_update_time(0.10)
self.qtgui_number_sink_0_0.set_title("BER 2 (Raw)")
labels = ['BER', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0_0.set_min(i, 0)
self.qtgui_number_sink_0_0.set_max(i, 1)
self.qtgui_number_sink_0_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_0.set_label(i, labels[i])
self.qtgui_number_sink_0_0.set_unit(i, units[i])
self.qtgui_number_sink_0_0.set_factor(i, factor[i])
self.qtgui_number_sink_0_0.enable_autoscale(False)
self._qtgui_number_sink_0_0_win = sip.wrapinstance(
self.qtgui_number_sink_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_0_win, 0, 1,
1, 1)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("BER1 (Raw)")
labels = ['BER', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0.set_min(i, 0)
self.qtgui_number_sink_0.set_max(i, 1)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(False)
self._qtgui_number_sink_0_win = sip.wrapinstance(
self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win, 0, 0, 1,
1)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #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_layout.addWidget(self._qtgui_const_sink_x_0_win)
self.digital_scrambler_bb_0_1 = digital.scrambler_bb(0x8A, 0x7F, 7)
self.digital_scrambler_bb_0_0 = digital.scrambler_bb(0xDA, 0x7F, 7)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x8A, 0x7F, 7)
self.digital_psk_mod_0_1 = 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.digital_psk_mod_0_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.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.digital_psk_demod_0_0 = digital.psk.psk_demod(
constellation_points=4,
differential=True,
samples_per_symbol=2,
excess_bw=0.35,
phase_bw=6.28 / 100.0,
timing_bw=6.28 / 100.0,
mod_code="gray",
verbose=False,
log=False,
)
self.digital_psk_demod_0 = digital.psk.psk_demod(
constellation_points=4,
differential=True,
samples_per_symbol=2,
excess_bw=0.35,
phase_bw=6.28 / 100.0,
timing_bw=6.28 / 100.0,
mod_code="gray",
verbose=False,
log=False,
)
self.digital_descrambler_bb_0_1 = digital.descrambler_bb(0xDA, 0x7F, 7)
self.digital_descrambler_bb_0 = digital.descrambler_bb(0x8A, 0x7F, 7)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_char * 1, R, True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, R, True)
self.blocks_sub_xx_2 = blocks.sub_cc(1)
self.blocks_null_sink_0_1 = blocks.null_sink(gr.sizeof_gr_complex * 1)
self.blocks_multiply_const_vxx_2 = blocks.multiply_const_vcc(
(alpha**0.5, ))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc(
((1 - alpha)**0.5, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
(alpha**0.5, ))
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.blks2_error_rate_0_0 = grc_blks2.error_rate(
type='BER',
win_size=block * 100,
bits_per_symbol=2,
)
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=block * 100,
bits_per_symbol=2,
)
self.analog_random_source_x_1 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 2, block)), True)
self.analog_random_source_x_0_0_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 2, block)), True)
self.analog_random_source_x_0_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 2, block)), True)
self.analog_random_source_x_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 2, block)), True)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN, noisevar, -42)
##################################################
# Connections
##################################################
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 2))
self.connect((self.analog_random_source_x_0, 0),
(self.digital_scrambler_bb_0, 0))
self.connect((self.analog_random_source_x_0_0, 0),
(self.blks2_error_rate_0, 0))
self.connect((self.analog_random_source_x_0_0_0, 0),
(self.blks2_error_rate_0_0, 0))
self.connect((self.analog_random_source_x_1, 0),
(self.digital_scrambler_bb_0_0, 0))
self.connect((self.blks2_error_rate_0, 0),
(self.qtgui_number_sink_0, 0))
self.connect((self.blks2_error_rate_0_0, 0),
(self.qtgui_number_sink_0_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_sub_xx_2, 0))
self.connect((self.blocks_add_xx_0, 0), (self.digital_psk_demod_0, 0))
self.connect((self.blocks_add_xx_0, 0),
(self.digital_psk_demod_0_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_2, 0),
(self.blocks_sub_xx_2, 1))
self.connect((self.blocks_sub_xx_2, 0), (self.blocks_null_sink_0_1, 0))
self.connect((self.blocks_throttle_0, 0), (self.digital_psk_mod_0, 0))
self.connect((self.blocks_throttle_0_0, 0),
(self.digital_psk_mod_0_0, 0))
self.connect((self.digital_descrambler_bb_0, 0),
(self.blks2_error_rate_0, 1))
self.connect((self.digital_descrambler_bb_0, 0),
(self.digital_scrambler_bb_0_1, 0))
self.connect((self.digital_descrambler_bb_0_1, 0),
(self.blks2_error_rate_0_0, 1))
self.connect((self.digital_psk_demod_0, 0),
(self.digital_descrambler_bb_0, 0))
self.connect((self.digital_psk_demod_0_0, 0),
(self.digital_descrambler_bb_0_1, 0))
self.connect((self.digital_psk_mod_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_psk_mod_0_0, 0),
(self.blocks_multiply_const_vxx_1, 0))
self.connect((self.digital_psk_mod_0_1, 0),
(self.blocks_multiply_const_vxx_2, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.digital_scrambler_bb_0_0, 0),
(self.blocks_throttle_0_0, 0))
self.connect((self.digital_scrambler_bb_0_1, 0),
(self.digital_psk_mod_0_1, 0))