def __init__(self,
N=10,
NFFT=2048,
used_sc=1680,
syms_filename="/tmp/qpsk_syms.bin"):
gr.hier_block2.__init__(
self,
"Basic QPSK-OFDM Tx",
gr.io_signature(0, 0, 0),
gr.io_signature(1, 1, gr.sizeof_gr_complex * NFFT),
)
##################################################
# Parameters
##################################################
self.N = N
self.NFFT = NFFT
self.used_sc = used_sc
self.syms_filename = syms_filename
##################################################
# Blocks
##################################################
self.fft_vxx_0 = fft.fft_vcc(NFFT, False, (window.rectangular(NFFT)),
False, 1)
self.dpd_stream_to_zero_padded_vector_0 = dpd.stream_to_zero_padded_vector(
self.used_sc, self.NFFT)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_ic(
((1 + 1j, 1 - 1j, -1 - 1j, -1 + 1j)), 1)
self.analog_random_source_x_0 = blocks.vector_source_i(
map(int, numpy.random.randint(0, 4, used_sc * N)), False)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex * 1,
syms_filename, False)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc(
([1.0 / self.NFFT] * self.NFFT))
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.dpd_stream_to_zero_padded_vector_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.dpd_stream_to_zero_padded_vector_0, 0),
(self.fft_vxx_0, 0))
self.connect((self.fft_vxx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self, 0))
def test_ic_003(self):
const = [1 + 0j, 0 + 1j, -1 + 0j, 0 - 1j]
src_data = (0, 1, 2, 3, 3, 2, 1, 0)
expected_result = (1 + 0j, 0 + 1j, -1 + 0j, 0 - 1j, 0 - 1j, -1 + 0j,
0 + 1j, 1 + 0j)
src = blocks.vector_source_i(src_data)
op = digital.chunks_to_symbols_ic(const)
dst = blocks.vector_sink_c()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
actual_result = dst.data()
self.assertEqual(expected_result, actual_result)
def test_ic_003(self):
const = [ 1+0j, 0+1j,
-1+0j, 0-1j]
src_data = (0, 1, 2, 3, 3, 2, 1, 0)
expected_result = (1+0j, 0+1j, -1+0j, 0-1j,
0-1j, -1+0j, 0+1j, 1+0j)
src = blocks.vector_source_i(src_data)
op = digital.chunks_to_symbols_ic(const)
dst = blocks.vector_sink_c()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
actual_result = dst.data()
self.assertEqual(expected_result, actual_result)
def __init__(self,
number_of_symbols,
samples_per_symbol,
alpha,
K,
modulation_order=4,
seed=42,
periodicity=None,
load_symbols=None,
index=0,
use_arb=False):
gr.top_block.__init__(self)
# FIXME For preamble: see simulations/baseband_model_pulse_shaping.py
if load_symbols is not None:
# Add dummy symbols to initialize the filter
if use_arb:
zero_padding = np.ones(K * samples_per_symbol,
dtype=np.complex64)
else:
zero_padding = np.ones(K, dtype=np.complex64)
symbols = np.fromfile(load_symbols[0],
dtype=np.complex64,
count=-1)
print len(symbols), symbols # Debug
self._symbols = blocks.vector_source_c(np.concatenate(
[symbols, zero_padding]).astype(np.complex),
repeat=False)
else:
if modulation_order == 2:
self._constellation = digital.constellation_bpsk()
else:
# Setup constellation for data part: QPSK for now per default
self._constellation = digital.constellation_qpsk()
print 'Constellation:', self._constellation.points(
), self._constellation.arity() # Debug
self._to_symbols = digital.chunks_to_symbols_ic(
self._constellation.points())
# Generate data: assuming a QPSK constellation
print 'RNG seed:', seed
np.random.seed(seed)
# Add dummy symbols to initialize the filter
if use_arb:
zero_padding = np.ones(
K * samples_per_symbol,
dtype=int) + self._constellation.arity()
else:
zero_padding = np.ones(
K, dtype=int) + self._constellation.arity()
if periodicity is not None:
data = np.tile(
np.random.randint(0, self._constellation.arity(),
periodicity) %
self._constellation.arity(),
(1, number_of_symbols // periodicity)).flatten()
else:
data = np.random.randint(0, self._constellation.arity(),
number_of_symbols)
print len(data), data # Debug
self._data = blocks.vector_source_i(np.concatenate(
[data, zero_padding]),
repeat=False)
# Pulse shaping
if use_arb:
nfilts = 32
ntaps = nfilts * K * samples_per_symbol # make nfilts filters
# of ntaps each. First two parameters are: gain and sampling
# rate based on nfilts filters in resampler (and assuming
# normalized frequencies)
self._tx_rrc_taps = filter.firdes.root_raised_cosine(
nfilts, nfilts, 1.0, alpha, ntaps)
rrc_tx_filter = filter.pfb_arb_resampler_ccf(
samples_per_symbol, self._tx_rrc_taps)
else:
ntaps = K * samples_per_symbol
self._tx_rrc_taps = filter.firdes.root_raised_cosine(
samples_per_symbol, samples_per_symbol, 1.0, alpha, ntaps)
rrc_tx_filter = filter.interp_fir_filter_ccf(
samples_per_symbol, self._tx_rrc_taps)
print 'Number of taps for pulse-shaping:', ntaps
self._sink = blocks.file_sink(
gr.sizeof_gr_complex,
's_pulse_shaped_signal_sps{:d}_{:d}.bin'.format(
samples_per_symbol, index))
# Debug
self._modulation_out = blocks.vector_sink_c()
self._pulse_shaping_out = blocks.vector_sink_c()
# Connect
if load_symbols is not None:
self.connect(self._symbols, rrc_tx_filter, self._sink)
self.connect(self._symbols, self._modulation_out)
else:
self.connect(self._data, self._to_symbols, rrc_tx_filter,
self._sink)
self.connect(self._to_symbols, self._modulation_out)
self.connect(rrc_tx_filter, self._pulse_shaping_out)
def __init__(self):
gr.top_block.__init__(self, "Top Cpp Qpsk Demod")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Cpp Qpsk Demod")
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_cpp_qpsk_demod")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
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(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)
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_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(True)
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_layout.addWidget(self._qtgui_const_sink_x_0_win)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_ic(
(1 + 1j, 1 - 1j, -1 + 1j, -1 - 1j), 1)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_random_source_x_0 = blocks.vector_source_i(
map(int, numpy.random.randint(0, 4, 10000)), True)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN, 0.01, 0)
self.GNU_tutorials_my_qpsk_demod_cb_0 = GNU_tutorials.my_qpsk_demod_cb(
True)
##################################################
# Connections
##################################################
self.connect((self.GNU_tutorials_my_qpsk_demod_cb_0, 0),
(self.blocks_uchar_to_float_0, 0))
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.analog_random_source_x_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0),
(self.GNU_tutorials_my_qpsk_demod_cb_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.blocks_add_xx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Ber Simulation")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ber Simulation")
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", "ber_simulation")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 100000
self.noise_source_amplitude = noise_source_amplitude = 0.001
self.Ns = Ns = 10000000
##################################################
# Blocks
##################################################
self._noise_source_amplitude_range = Range(0.0001, 100, 0.0001, 0.001,
200)
self._noise_source_amplitude_win = RangeWidget(
self._noise_source_amplitude_range,
self.set_noise_source_amplitude, 'Noise amplitude',
"counter_slider", float)
self.top_layout.addWidget(self._noise_source_amplitude_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_layout.addWidget(self._qtgui_const_sink_x_0_0_win)
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_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_ic(
((0.707107 + 0.707107j, -0.707107 + 0.707107j,
-0.707107 - 0.707107j, 0.707107 - 0.707107j)), 1)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_random_source_x_0 = blocks.vector_source_i(
map(int, numpy.random.randint(0, 4, Ns)), True)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN, noise_source_amplitude, 42)
##################################################
# Connections
##################################################
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.analog_random_source_x_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.qtgui_const_sink_x_0_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Cpp Qpsk Demod")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Cpp Qpsk Demod")
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_cpp_qpsk_demod")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
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(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)
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_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(True)
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_layout.addWidget(self._qtgui_const_sink_x_0_win)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_ic((1+1j, 1-1j, -1+1j, -1-1j), 1)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_random_source_x_0 = blocks.vector_source_i(map(int, numpy.random.randint(0, 4, 10000)), True)
self.analog_noise_source_x_0 = analog.noise_source_c(analog.GR_GAUSSIAN, 0.01, 0)
self.GNU_tutorials_my_qpsk_demod_cb_0 = GNU_tutorials.my_qpsk_demod_cb(True)
##################################################
# Connections
##################################################
self.connect((self.GNU_tutorials_my_qpsk_demod_cb_0, 0), (self.blocks_uchar_to_float_0, 0))
self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.analog_random_source_x_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.GNU_tutorials_my_qpsk_demod_cb_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_add_xx_0, 0))