def __init__(self, options):
gr.top_block.__init__(self)
# Setup USRP
self.u = uhd.usrp_sink(options.args, uhd.stream_args('fc32'), "packet_len")
if(options.spec):
self.u.set_subdev_spec(options.spec, 0)
if(options.antenna):
self.u.set_antenna(options.antenna, 0)
self.u.set_samp_rate(options.rate)
# Gain is set in the hopper block
if options.gain is None:
g = self.u.get_gain_range()
options.gain = float(g.start()+g.stop())/2.0
print "-- Setting gain to {} dB".format(options.gain)
r = self.u.set_center_freq(options.freq)
if not r:
print '[ERROR] Failed to set base frequency.'
raise SystemExit, 1
hopper_block = FrequencyHopperSrc(
options.num_bursts, options.num_channels,
options.freq_delta, options.freq,
options.samp_per_burst, 1.0, options.hop_time / 1000.,
options.post_tuning,
options.gain,
options.verbose,
)
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
# self.root_raised_cosine_filter_0 = filter.fir_filter_ccf(1, firdes.root_raised_cosine(1, samp_rate, 1, 0.35, 11*samp_rate))
self.digital_dxpsk_mod_0 = digital.dqpsk_mod(
samples_per_symbol=4,
excess_bw=0.35,
mod_code="gray",
verbose=False,
log=False)
self.blocks_vector_source_x_0 = blocks.vector_source_b((1, 0), True, 1, [])
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((0.500, ))
self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
samples_per_symbol=1,
bits_per_symbol=1,
preamble="",
access_code="11111111",
pad_for_usrp=True,
),
payload_length=0,
)
self.connect(self.blocks_vector_source_x_0, self.blks2_packet_encoder_0, self.digital_dxpsk_mod_0, self.blocks_multiply_const_vxx_0, hopper_block, self.u)
def __init__(self, amplitude=0.01, excessBW=0.35, sps=4, arity=1):
gr.hier_block2.__init__(
self,
"DPSKTransmitter",
gr.io_signature(1, 1, gr.sizeof_char * 1),
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
)
##################################################
# Parameters
##################################################
self.amplitude = amplitude
self.excessBW = excessBW
self.sps = sps
self.arity = arity
if (arity != 2 and arity != 4):
raise ValueError, "Unsupported modulation order '%d'" % (arity, )
##################################################
# Blocks
##################################################
if (self.arity == 2): # BPSK
self.digital_dxpsk_mod = digital.dbpsk_mod(samples_per_symbol=sps,
excess_bw=excessBW,
mod_code="gray",
verbose=False,
log=False)
else:
self.digital_dxpsk_mod = digital.dqpsk_mod(samples_per_symbol=sps,
excess_bw=excessBW,
mod_code="gray",
verbose=False,
log=False)
self.blocks_multiply_const_vxx = blocks.multiply_const_vcc(
(amplitude, ))
##################################################
# Connections
##################################################
self.connect((self.blocks_multiply_const_vxx, 0), (self, 0))
self.connect((self.digital_dxpsk_mod, 0),
(self.blocks_multiply_const_vxx, 0))
self.connect((self, 0), (self.digital_dxpsk_mod, 0))
def __init__(self,
address='addr=192.168.10.4',
freq=2.45e9,
gain=0,
samp_rate=32e3):
gr.top_block.__init__(self, "UHD TX DPSK")
Qt.QWidget.__init__(self)
self.setWindowTitle("UHD TX DPSK")
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", "uhd_tx_dpsk")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.address = address
self.freq = freq
self.gain = gain
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.tun_gain = tun_gain = 0
self.tun_freq = tun_freq = 2.45e9
self.samps_per_sym = samps_per_sym = 4
self.ampl = ampl = 0.3
##################################################
# Blocks
##################################################
self._tun_freq_range = Range(2.4e9, 2.5e9, 1, 2.45e9, 200)
self._tun_freq_win = RangeWidget(self._tun_freq_range,
self.set_tun_freq, 'UHD Freq (Hz)',
"counter_slider", float)
self.top_layout.addWidget(self._tun_freq_win)
self._ampl_range = Range(0, 1, 0.01, 0.3, 200)
self._ampl_win = RangeWidget(self._ampl_range, self.set_ampl,
'Amplitude', "counter_slider", float)
self.top_layout.addWidget(self._ampl_win)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join((address, "")),
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(tun_freq, 0)
self.uhd_usrp_sink_0.set_gain(gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self._tun_gain_range = Range(0, 20, 1, 0, 200)
self._tun_gain_win = RangeWidget(self._tun_gain_range,
self.set_tun_gain, 'UHD Tx Gain',
"counter_slider", float)
self.top_layout.addWidget(self._tun_gain_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
tun_freq, #fc
samp_rate, #bw
'Transmit Spectrum', #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(True)
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 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 = ['', '', '', '', '', '', '', '', '', '']
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.digital_dxpsk_mod_0 = digital.dqpsk_mod(
samples_per_symbol=samps_per_sym,
excess_bw=0.35,
mod_code="gray",
verbose=False,
log=False)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((ampl, ))
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1, 'C:\\Users\\ericj\\Desktop\\USRP_TX\\test.txt',
True)
self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(
grc_blks2.packet_encoder(
samples_per_symbol=samps_per_sym,
bits_per_symbol=2,
preamble='',
access_code='',
pad_for_usrp=True,
),
payload_length=0,
)
##################################################
# Connections
##################################################
self.connect((self.blks2_packet_encoder_0, 0),
(self.digital_dxpsk_mod_0, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blks2_packet_encoder_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.uhd_usrp_sink_0, 0))
self.connect((self.digital_dxpsk_mod_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
def __init__(self):
gr.top_block.__init__(self)
self.qapp = QtGui.QApplication(sys.argv)
self._sample_rate = 2000e3
self.sps = 2
self.excess_bw = 0.35
self.gray_code = digital.mod_codes.GRAY_CODE
fftsize = 2048
self.data = scipy.random.randint(0, 255, 1000)
self.src = gr.vector_source_b(self.data.tolist(), True)
self.mod = digital.dqpsk_mod(self.gray_code,
samples_per_symbol=self.sps,
excess_bw=self.excess_bw,
verbose=False, log=False)
self.rrctaps = gr.firdes.root_raised_cosine(1, self.sps, 1, self.excess_bw, 21)
self.rx_rrc = gr.fir_filter_ccf(1, self.rrctaps)
# Set up the carrier & clock recovery parameters
self.arity = 4
self.mu = 0.5
self.gain_mu = 0.05
self.omega = self.sps
self.gain_omega = .25 * self.gain_mu * self.gain_mu
self.omega_rel_lim = 0.05
self._loop_bw = 2*scipy.pi/100.0
self.fmin = -1000/self.sample_rate()
self.fmax = 1000/self.sample_rate()
self.receiver = digital.mpsk_receiver_cc(self.arity, 0,
self._loop_bw,
self.fmin, self.fmax,
self.mu, self.gain_mu,
self.omega, self.gain_omega,
self.omega_rel_lim)
self.snr_dB = 15
noise = self.get_noise_voltage(self.snr_dB)
self.fo = 100/self.sample_rate()
self.to = 1.0
self.channel = gr.channel_model(noise, self.fo, self.to)
self.thr = gr.throttle(gr.sizeof_char, self._sample_rate)
self.snk_tx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, self._sample_rate*self.sps,
"Tx", True, True, True, True)
self.snk_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, self._sample_rate,
"Rx", True, True, True, True)
self.connect(self.src, self.thr, self.mod, self.channel, self.snk_tx)
self.connect(self.channel, self.rx_rrc, self.receiver, self.snk_rx)
pyTxQt = self.snk_tx.pyqwidget()
pyTx = sip.wrapinstance(pyTxQt, QtGui.QWidget)
pyRxQt = self.snk_rx.pyqwidget()
pyRx = sip.wrapinstance(pyRxQt, QtGui.QWidget)
self.main_box = dialog_box(pyTx, pyRx, self);
self.main_box.show()
def __init__(self):
gr.top_block.__init__(self, "MPSK Demod Demo")
Qt.QWidget.__init__(self)
self.setWindowTitle("MPSK Demod Demo")
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", "mpsk_demod")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samps_per_sym = samps_per_sym = 4
self.samp_rate = samp_rate = 32000
self.noise = noise = 0.1
self.freq_off = freq_off = 0
##################################################
# Blocks
##################################################
self.notebook = Qt.QTabWidget()
self.notebook_widget_0 = Qt.QWidget()
self.notebook_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.notebook_widget_0)
self.notebook_grid_layout_0 = Qt.QGridLayout()
self.notebook_layout_0.addLayout(self.notebook_grid_layout_0)
self.notebook.addTab(self.notebook_widget_0, 'Constellation')
self.notebook_widget_1 = Qt.QWidget()
self.notebook_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.notebook_widget_1)
self.notebook_grid_layout_1 = Qt.QGridLayout()
self.notebook_layout_1.addLayout(self.notebook_grid_layout_1)
self.notebook.addTab(self.notebook_widget_1, 'Spectrum')
self.top_grid_layout.addWidget(self.notebook, 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._noise_range = Range(0, 1, 0.01, 0.1, 200)
self._noise_win = RangeWidget(self._noise_range, self.set_noise,
'Noise', "counter_slider", float)
self.top_grid_layout.addWidget(self._noise_win, 1, 0, 1, 1)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(0, 1):
self.top_grid_layout.setColumnStretch(c, 1)
self._freq_off_range = Range(-0.5, 0.5, 0.01, 0, 200)
self._freq_off_win = RangeWidget(self._freq_off_range,
self.set_freq_off, 'Freq. Offset',
"counter_slider", float)
self.top_grid_layout.addWidget(self._freq_off_win, 1, 1, 1, 1)
for r in range(1, 2):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
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, #bw
'', #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.notebook_grid_layout_1.addWidget(self._qtgui_freq_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(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.notebook_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win)
self.digital_dxpsk_mod_0 = digital.dqpsk_mod(
samples_per_symbol=samps_per_sym,
excess_bw=0.35,
mod_code="gray",
verbose=False,
log=False)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise,
frequency_offset=freq_off,
epsilon=1.0,
taps=(1.0 + 1.0j, ),
noise_seed=0,
block_tags=False)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.analog_random_source_x_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 2**8, 10000)), True)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0),
(self.digital_dxpsk_mod_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.digital_dxpsk_mod_0, 0),
(self.channels_channel_model_0, 0))
def __init__(self, samp=4):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_icon_path = "C:\Program Files\GNURadio-3.7\share\icons\hicolor\scalable/apps\gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.samp = samp
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32E3
##################################################
# Blocks
##################################################
self.digital_dxpsk_mod_0 = digital.dqpsk_mod(samples_per_symbol=samp,
excess_bw=0.35,
mod_code="gray",
verbose=False,
log=False)
self.digital_dxpsk_demod_0 = digital.dqpsk_demod(
samples_per_symbol=samp,
excess_bw=0.35,
freq_bw=6.28 / 100.0,
phase_bw=6.28 / 100.0,
timing_bw=6.28 / 100.0,
mod_code="gray",
verbose=False,
log=False)
self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate,
True)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(
1, gr.GR_MSB_FIRST)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1,
'C:\\Users\\ericj\\Senior-Design\\UMass-Dartmouth.png', False)
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_char * 1, 'C:\\Users\\ericj\\Desktop\\out.png', False)
self.blocks_file_sink_0.set_unbuffered(True)
self.blks2_packet_encoder_0_0 = grc_blks2.packet_mod_b(
grc_blks2.packet_encoder(
samples_per_symbol=samp,
bits_per_symbol=2,
preamble='',
access_code='',
pad_for_usrp=True,
),
payload_length=8,
)
self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b(
grc_blks2.packet_decoder(
access_code='',
threshold=-1,
callback=lambda ok, payload: self.blks2_packet_decoder_0.
recv_pkt(ok, payload),
), )
##################################################
# Connections
##################################################
self.connect((self.blks2_packet_decoder_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.blks2_packet_encoder_0_0, 0),
(self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0),
(self.digital_diff_encoder_bb_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blks2_packet_encoder_0_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.blks2_packet_decoder_0, 0))
self.connect((self.digital_diff_encoder_bb_0, 0),
(self.digital_dxpsk_mod_0, 0))
self.connect((self.digital_dxpsk_demod_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_dxpsk_mod_0, 0),
(self.digital_dxpsk_demod_0, 0))
def __init__(self):
gr.top_block.__init__(self)
self.qapp = QtGui.QApplication(sys.argv)
self._sample_rate = 2000e3
self.sps = 2
self.excess_bw = 0.35
self.gray_code = digital.mod_codes.GRAY_CODE
fftsize = 2048
self.data = scipy.random.randint(0, 255, 1000)
self.src = blocks.vector_source_b(self.data.tolist(), True)
self.mod = digital.dqpsk_mod(self.gray_code,
samples_per_symbol=self.sps,
excess_bw=self.excess_bw,
verbose=False,
log=False)
self.rrctaps = filter.firdes.root_raised_cosine(
1, self.sps, 1, self.excess_bw, 21)
self.rx_rrc = filter.fir_filter_ccf(1, self.rrctaps)
# Set up the carrier & clock recovery parameters
self.arity = 4
self.mu = 0.5
self.gain_mu = 0.05
self.omega = self.sps
self.gain_omega = .25 * self.gain_mu * self.gain_mu
self.omega_rel_lim = 0.05
self._loop_bw = 2 * scipy.pi / 100.0
self.fmin = -1000 / self.sample_rate()
self.fmax = 1000 / self.sample_rate()
self.receiver = digital.mpsk_receiver_cc(self.arity, 0, self._loop_bw,
self.fmin, self.fmax, self.mu,
self.gain_mu, self.omega,
self.gain_omega,
self.omega_rel_lim)
self.snr_dB = 15
noise = self.get_noise_voltage(self.snr_dB)
self.fo = 100 / self.sample_rate()
self.to = 1.0
self.channel = channels.channel_model(noise, self.fo, self.to)
self.thr = blocks.throttle(gr.sizeof_char, self._sample_rate)
self.snk_tx = qtgui.sink_c(fftsize, filter.firdes.WIN_BLACKMAN_hARRIS,
0, self._sample_rate * self.sps, "Tx", True,
True, True, True)
self.snk_rx = qtgui.sink_c(fftsize, filter.firdes.WIN_BLACKMAN_hARRIS,
0, self._sample_rate, "Rx", True, True,
True, True)
self.connect(self.src, self.thr, self.mod, self.channel, self.snk_tx)
self.connect(self.channel, self.rx_rrc, self.receiver, self.snk_rx)
pyTxQt = self.snk_tx.pyqwidget()
pyTx = sip.wrapinstance(pyTxQt, QtGui.QWidget)
pyRxQt = self.snk_rx.pyqwidget()
pyRx = sip.wrapinstance(pyRxQt, QtGui.QWidget)
self.main_box = dialog_box(pyTx, pyRx, self)
self.main_box.show()
def __init__(self):
gr.top_block.__init__(self, "MPSK Demod Demo")
Qt.QWidget.__init__(self)
self.setWindowTitle("MPSK Demod Demo")
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_demod")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samps_per_sym = samps_per_sym = 4
self.samp_rate = samp_rate = 50000000
##################################################
# Blocks
##################################################
self.notebook = Qt.QTabWidget()
self.notebook_widget_0 = Qt.QWidget()
self.notebook_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_widget_0)
self.notebook_grid_layout_0 = Qt.QGridLayout()
self.notebook_layout_0.addLayout(self.notebook_grid_layout_0)
self.notebook.addTab(self.notebook_widget_0, "Constellation")
self.notebook_widget_1 = Qt.QWidget()
self.notebook_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.notebook_widget_1)
self.notebook_grid_layout_1 = Qt.QGridLayout()
self.notebook_layout_1.addLayout(self.notebook_grid_layout_1)
self.notebook.addTab(self.notebook_widget_1, "Spectrum")
self.top_layout.addWidget(self.notebook)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #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_win = sip.wrapinstance(self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.notebook_layout_1.addWidget(self._qtgui_freq_sink_x_0_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"QT GUI Plot", #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_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.notebook_layout_0.addWidget(self._qtgui_const_sink_x_0_win)
self.digital_dxpsk_mod_0 = digital.dqpsk_mod(
samples_per_symbol=samps_per_sym,
excess_bw=0.35,
mod_code="gray",
verbose=False,
log=False)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.blks2_tcp_sink_0 = grc_blks2.tcp_sink(
itemsize=gr.sizeof_gr_complex*1,
addr="127.0.0.1",
port=3305,
server=True,
)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 2**8, 1000000)), True)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0), (self.digital_dxpsk_mod_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.digital_dxpsk_mod_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_throttle_0, 0), (self.blks2_tcp_sink_0, 0))
def __init__(self,
address="addr=192.168.10.2",
freq=2.45e9,
gain=0,
samp_rate=1e6):
gr.top_block.__init__(self, "UHD TX DPSK")
Qt.QWidget.__init__(self)
self.setWindowTitle("UHD TX DPSK")
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", "uhd_tx_dpsk")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.address = address
self.freq = freq
self.gain = gain
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.tun_gain = tun_gain = 0
self.tun_freq = tun_freq = 2.45e9
self.samps_per_sym = samps_per_sym = 4
self.ampl = ampl = 0.1
##################################################
# Blocks
##################################################
self._tun_freq_range = Range(2.4e9, 2.5e9, 1, 2.45e9, 200)
self._tun_freq_win = RangeWidget(self._tun_freq_range,
self.set_tun_freq, "UHD Freq (Hz)",
"counter_slider", float)
self.top_layout.addWidget(self._tun_freq_win)
self._ampl_range = Range(0, 1, 0.01, 0.1, 200)
self._ampl_win = RangeWidget(self._ampl_range, self.set_ampl,
"Amplitude", "counter_slider", float)
self.top_layout.addWidget(self._ampl_win)
self._tun_gain_range = Range(0, 20, 1, 0, 200)
self._tun_gain_win = RangeWidget(self._tun_gain_range,
self.set_tun_gain, "UHD Tx Gain",
"counter_slider", float)
self.top_layout.addWidget(self._tun_gain_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
tun_freq, #fc
samp_rate, #bw
"Transmit Spectrum", #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_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(True)
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_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 = ["", "", "", "", "", "", "", "", "", ""]
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.digital_dxpsk_mod_0 = digital.dqpsk_mod(
samples_per_symbol=samps_per_sym,
excess_bw=0.35,
mod_code="gray",
verbose=False,
log=False)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_gr_complex * 1,
"127.0.0.1", 1224, 1472, True)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((ampl, ))
self.analog_random_source_x_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 2**8, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0),
(self.digital_dxpsk_mod_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_udp_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.digital_dxpsk_mod_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
def __init__(self, address='serial=307B618', freq=915e6, gain=0, samp_rate=2e6):
gr.top_block.__init__(self, "UHD TX DPSK")
Qt.QWidget.__init__(self)
self.setWindowTitle("UHD TX DPSK")
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", "uhd_tx_dpsk")
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry", type=QtCore.QByteArray))
##################################################
# Parameters
##################################################
self.address = address
self.freq = freq
self.gain = gain
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.tun_gain = tun_gain = 50
self.tun_freq = tun_freq = 915.8e6
self.samps_per_sym = samps_per_sym = 4
self.ampl = ampl = 0.1
##################################################
# Blocks
##################################################
self._tun_gain_range = Range(40, 80, 1, 50, 200)
self._tun_gain_win = RangeWidget(self._tun_gain_range, self.set_tun_gain, 'UHD Tx Gain', "counter_slider", float)
self.top_layout.addWidget(self._tun_gain_win)
self._tun_freq_range = Range(914.8e6, 916.8e6, 1, 915.8e6, 200)
self._tun_freq_win = RangeWidget(self._tun_freq_range, self.set_tun_freq, 'UHD Freq (Hz)', "counter_slider", float)
self.top_layout.addWidget(self._tun_freq_win)
self._ampl_range = Range(0, 1, 0.01, 0.1, 200)
self._ampl_win = RangeWidget(self._ampl_range, self.set_ampl, 'Amplitude', "counter_slider", float)
self.top_layout.addWidget(self._ampl_win)
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(tun_freq, 0)
self.uhd_usrp_sink_0.set_gain(tun_gain, 0)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
tun_freq, #fc
samp_rate, #bw
'Transmit Spectrum', #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(True)
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 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 = ['', '', '', '', '',
'', '', '', '', '']
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.digital_dxpsk_mod_0 = digital.dqpsk_mod(
samples_per_symbol=samps_per_sym,
excess_bw=0.35,
mod_code="gray",
verbose=False,
log=False)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((ampl, ))
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 2**8, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0), (self.digital_dxpsk_mod_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.digital_dxpsk_mod_0, 0), (self.blocks_multiply_const_vxx_0, 0))
