def __init__(self, sample_rate, center_freq, gain, device_addr=""):
gr.top_block.__init__(self)
# Make a local QtApp so we can start it from our side
self.qapp = QtGui.QApplication(sys.argv)
fftsize = 2048
self.src = uhd.single_usrp_source(
device_addr="serial=4cfc2b4d", io_type=uhd.io_type_t.COMPLEX_FLOAT32, num_channels=1
)
self.src.set_samp_rate(sample_rate)
self.src.set_center_freq(center_freq, 0)
self.src.set_gain(gain, 0)
self.src.set_time_now(uhd.time_spec_t(0.0))
self.snk = qtgui.sink_c(
fftsize, gr.firdes.WIN_BLACKMAN_hARRIS, center_freq, self.src.get_samp_rate(), "Realtime Display"
)
cmd = uhd.cmd_t(uhd.stream_cmd_t.STREAM_MODE_NUM_SAMPS_AND_DONE)
self.connect(self.src, self.snk)
# Tell the sink we want it displayed
self.pyobj = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
self.pyobj.show()
def __init__(self, sample_rate, center_freq, gain, device_addr=""):
gr.top_block.__init__(self)
# Make a local QtApp so we can start it from our side
self.qapp = QtGui.QApplication(sys.argv)
fftsize = 2048
self.src = uhd.single_usrp_source(
device_addr="serial=4cfc2b4d",
io_type=uhd.io_type_t.COMPLEX_FLOAT32,
num_channels=1)
self.src.set_samp_rate(sample_rate)
self.src.set_center_freq(center_freq, 0)
self.src.set_gain(gain, 0)
self.src.set_time_now(uhd.time_spec_t(0.0))
self.snk = qtgui.sink_c(fftsize,
gr.firdes.WIN_BLACKMAN_hARRIS, center_freq,
self.src.get_samp_rate(), "Realtime Display")
cmd = uhd.cmd_t(uhd.stream_cmd_t.STREAM_MODE_NUM_SAMPS_AND_DONE)
self.connect(self.src, self.snk)
# Tell the sink we want it displayed
self.pyobj = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
self.pyobj.show()
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
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.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #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_layout.addWidget(self._qtgui_sink_x_0_win)
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, 1000, 1, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_sig_source_x_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_throttle_0, 0), (self.qtgui_sink_x_0, 0))
def __init__(self, sample_rate, center_freq):
gr.top_block.__init__(self)
# Make a local QtApp so we can start it from our side
self.qapp = QtGui.QApplication(sys.argv)
fftsize = 2048
self.src = uhd.single_usrp_source(io_type = uhd.io_type_t.COMPLEX_FLOAT32, num_channels = 1)
self.snk = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS)
self.connect(self.src, self.snk)
# Tell the sink we want it displayed
self.pyobj = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
self.pyobj.show()
def __init__(self, sample_rate, center_freq):
gr.top_block.__init__(self)
# Make a local QtApp so we can start it from our side
self.qapp = QtGui.QApplication(sys.argv)
fftsize = 2048
self.src = uhd.single_usrp_source(
io_type=uhd.io_type_t.COMPLEX_FLOAT32, num_channels=1)
self.snk = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS)
self.connect(self.src, self.snk)
# Tell the sink we want it displayed
self.pyobj = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
self.pyobj.show()
def __init__(self):
gr.top_block.__init__(self, "Burst View")
Qt.QWidget.__init__(self)
self.setWindowTitle("Burst View")
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.samp_rate = samp_rate = 1e6
##################################################
# Blocks
##################################################
self.qtgui_sink_x_0 = qtgui.sink_c(
16 * 1024, # fftsize
firdes.WIN_BLACKMAN_hARRIS, # wintype
0, # fc
samp_rate, # bw
"QT GUI Plot", # name
True, # plotfreq
True, # plotwaterfall
True, # plottime
True, # plotconst
)
self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_win)
self.gr_udp_source_0 = gr.udp_source(gr.sizeof_gr_complex * 1, "127.0.0.1", 12345, 1472, True, True)
##################################################
# Connections
##################################################
self.connect((self.gr_udp_source_0, 0), (self.qtgui_sink_x_0, 0))
def __init__(self):
gr.top_block.__init__(self)
# Make a local QtApp so we can start it from our side
self.qapp = QtGui.QApplication(sys.argv)
fftsize = 2048
self.src = gr.sig_source_c(1, gr.GR_SIN_WAVE, 0.1, 1)
self.nse = gr.noise_source_c(gr.GR_GAUSSIAN, 0.0)
self.add = gr.add_cc()
self.thr = gr.throttle(gr.sizeof_gr_complex, 100 * fftsize)
self.snk = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS)
self.connect(self.src, (self.add, 0))
self.connect(self.nse, (self.add, 1))
self.connect(self.add, self.thr, self.snk)
# Tell the sink we want it displayed
self.pyobj = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
self.pyobj.show()
def __init__(self):
gr.top_block.__init__(self)
# Make a local QtApp so we can start it from our side
self.qapp = QtGui.QApplication(sys.argv)
fftsize = 2048
self.src = gr.sig_source_c(1, gr.GR_SIN_WAVE, 0.1, 1)
self.nse = gr.noise_source_c(gr.GR_GAUSSIAN, 0.0)
self.add = gr.add_cc()
self.thr = gr.throttle(gr.sizeof_gr_complex, 100*fftsize)
self.snk = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS)
self.connect(self.src, (self.add, 0))
self.connect(self.nse, (self.add, 1))
self.connect(self.add, self.thr, self.snk)
# Tell the sink we want it displayed
self.pyobj = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
self.pyobj.show()
def __init__(self):
gr.top_block.__init__(self)
Rs = 8000
f1 = 1000
f2 = 2000
fftsize = 2048
self.qapp = QtGui.QApplication(sys.argv)
src1 = gr.sig_source_c(Rs, gr.GR_SIN_WAVE, f1, 0.1, 0)
src2 = gr.sig_source_c(Rs, gr.GR_SIN_WAVE, f2, 0.1, 0)
src = gr.add_cc()
channel = gr.channel_model(0.001)
thr = gr.throttle(gr.sizeof_gr_complex, 100*fftsize)
self.snk1 = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, Rs,
"Complex Signal Example",
True, True, False, True, False)
self.connect(src1, (src,0))
self.connect(src2, (src,1))
self.connect(src, channel, thr, self.snk1)
self.ctrl_win = control_box()
self.ctrl_win.attach_signal1(src1)
self.ctrl_win.attach_signal2(src2)
# Get the reference pointer to the SpectrumDisplayForm QWidget
pyQt = self.snk1.pyqwidget()
# Wrap the pointer as a PyQt SIP object
# This can now be manipulated as a PyQt4.QtGui.QWidget
pyWin = sip.wrapinstance(pyQt, QtGui.QWidget)
self.main_box = dialog_box(pyWin, self.ctrl_win)
self.main_box.show()
def __init__(self):
gr.top_block.__init__(self)
Rs = 8000
f1 = 1000
f2 = 2000
fftsize = 2048
self.qapp = QtGui.QApplication(sys.argv)
src1 = gr.sig_source_c(Rs, gr.GR_SIN_WAVE, f1, 0.1, 0)
src2 = gr.sig_source_c(Rs, gr.GR_SIN_WAVE, f2, 0.1, 0)
src = gr.add_cc()
channel = gr.channel_model(0.001)
thr = gr.throttle(gr.sizeof_gr_complex, 100 * fftsize)
self.snk1 = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS, 0, Rs,
"Complex Signal Example", True, True, False,
True, False)
self.connect(src1, (src, 0))
self.connect(src2, (src, 1))
self.connect(src, channel, thr, self.snk1)
self.ctrl_win = control_box()
self.ctrl_win.attach_signal1(src1)
self.ctrl_win.attach_signal2(src2)
# Get the reference pointer to the SpectrumDisplayForm QWidget
pyQt = self.snk1.pyqwidget()
# Wrap the pointer as a PyQt SIP object
# This can now be manipulated as a PyQt4.QtGui.QWidget
self.pyWin = sip.wrapinstance(pyQt, QtGui.QWidget)
self.main_box = dialog_box(self.pyWin, self.ctrl_win)
self.main_box.show()
def __init__(self):
gr.top_block.__init__(self, "QAM16")
Qt.QWidget.__init__(self)
self.setWindowTitle("QAM16")
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.variable_qtgui_range_0 = variable_qtgui_range_0 = 474e6
self.samp_rate = samp_rate = 44100
self.Useful_Carriers = Useful_Carriers = 1024
self.Transmission_Frequency = Transmission_Frequency = 474e6
self.OFDM_Symbols = OFDM_Symbols = 2048
self.Guard_Interval = Guard_Interval = 4
self.Gain = Gain = 20
self.Packets_Number = 2048
##################################################
# My code...
print(atsc.ATSC_MPEG_PKT_LENGTH);
print(atsc.MPEG_SYNC_BYTE);
self.ts = self.make_fake_transport_stream_packet(self.Packets_Number) # make 2048 packets of 188 each one.
print(len(self.ts))
##################################################
##################################################
# Blocks
##################################################
self._variable_qtgui_range_0_layout = Qt.QVBoxLayout()
self._variable_qtgui_range_0_tool_bar = Qt.QToolBar(self)
self._variable_qtgui_range_0_layout.addWidget(self._variable_qtgui_range_0_tool_bar)
self._variable_qtgui_range_0_tool_bar.addWidget(Qt.QLabel("Transmission_Frequency"+": "))
self._variable_qtgui_range_0_counter = Qwt.QwtCounter()
self._variable_qtgui_range_0_counter.setRange(470e6, 478e6, 1e3)
self._variable_qtgui_range_0_counter.setNumButtons(2)
self._variable_qtgui_range_0_counter.setValue(self.variable_qtgui_range_0)
self._variable_qtgui_range_0_tool_bar.addWidget(self._variable_qtgui_range_0_counter)
self._variable_qtgui_range_0_counter.valueChanged.connect(self.set_variable_qtgui_range_0)
self._variable_qtgui_range_0_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._variable_qtgui_range_0_slider.setRange(470e6, 478e6, 1e3)
self._variable_qtgui_range_0_slider.setValue(self.variable_qtgui_range_0)
self._variable_qtgui_range_0_slider.setMinimumWidth(200)
self._variable_qtgui_range_0_slider.valueChanged.connect(self.set_variable_qtgui_range_0)
self._variable_qtgui_range_0_layout.addWidget(self._variable_qtgui_range_0_slider)
self.top_layout.addLayout(self._variable_qtgui_range_0_layout)
self.qtgui_sink_x_0 = qtgui.sink_c(
OFDM_Symbols, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
Transmission_Frequency, #fc
8e6, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
True, #plottime
False, #plotconst
)
self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_win)
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate)
#self.gr_file_source_0 = gr.file_source(gr.sizeof_float*1, "/home/katsikas/katsikas-repo/Gnuradio/Common/Text.txt", True)
self.gr_vector_source_0 = gr.vector_source_f(self.ts, True, 1)
self.gr_file_sink_0 = gr.file_sink(gr.sizeof_float*1, "/home/katsikas/katsikas-repo/Gnuradio/Common/Results.txt")
self.gr_file_sink_0.set_unbuffered(False)
self.digital_ofdm_mod_0 = grc_blks2.packet_mod_f(digital.ofdm_mod(
options=grc_blks2.options(
modulation="qam64",
fft_length=OFDM_Symbols,
occupied_tones=Useful_Carriers,
cp_length=OFDM_Symbols/Guard_Interval,
pad_for_usrp=True,
log=None,
verbose=None,
),
),
payload_length=0,
)
self.digital_ofdm_demod_0 = grc_blks2.packet_demod_f(digital.ofdm_demod(
options=grc_blks2.options(
modulation="qam64",
fft_length=OFDM_Symbols,
occupied_tones=Useful_Carriers,
cp_length=OFDM_Symbols/Guard_Interval,
snr=20,
log=None,
verbose=None,
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.recv_pkt(ok, payload),
),
)
##################################################
# Connections
##################################################
self.connect((self.gr_throttle_0, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.digital_ofdm_mod_0, 0), (self.gr_throttle_0, 0))
self.connect((self.digital_ofdm_mod_0, 0), (self.digital_ofdm_demod_0, 0))
#self.connect((self.gr_file_source_0, 0), (self.digital_ofdm_mod_0, 0))
self.connect((self.gr_vector_source_0, 0), (self.digital_ofdm_mod_0, 0))
self.connect((self.digital_ofdm_demod_0, 0), (self.gr_file_sink_0, 0))
def __init__(self):
gr.top_block.__init__(self)
self.qapp = QtGui.QApplication(sys.argv)
self._sample_rate = 200e3
self.sps = 2
self.excess_bw = 0.35
self.gray_code = True
fftsize = 2048
self.data = scipy.random.randint(0, 255, 1000)
self.src = gr.vector_source_b(self.data.tolist(), True)
self.mod = blks2.dqpsk_mod(self.sps, self.excess_bw, self.gray_code, False, 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.alpha = 0.15
self.beta = 0.25 * self.alpha * self.alpha
self.fmin = -1000/self.sample_rate()
self.fmax = 1000/self.sample_rate()
self.receiver = gr.mpsk_receiver_cc(self.arity, 0,
self.alpha, self.beta,
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, 10*fftsize)
self.snk_tx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS, 0, 1,
"Tx", True, True, False, True, True)
self.snk_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS, 0, 1,
"Rx", True, True, False, 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, "Fm Rx")
Qt.QWidget.__init__(self)
self.setWindowTitle("Fm Rx")
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.samp_rate = samp_rate = 2e6
self.in_rate = in_rate = samp_rate
self.audio_rate = audio_rate = 44.1e3
self.volume = volume = 0.2
self.resamp_rate = resamp_rate = audio_rate/in_rate
self.nfilts = nfilts = 32
self.fm_deviation_hz = fm_deviation_hz = 75e3
##################################################
# Blocks
##################################################
self.rtlsdr_source_c_0 = osmosdr.source_c( args="nchan=" + str(1) + " " + "" )
self.rtlsdr_source_c_0.set_sample_rate(samp_rate)
self.rtlsdr_source_c_0.set_center_freq(91.9e6, 0)
self.rtlsdr_source_c_0.set_freq_corr(0, 0)
self.rtlsdr_source_c_0.set_dc_offset_mode(0, 0)
self.rtlsdr_source_c_0.set_iq_balance_mode(0, 0)
self.rtlsdr_source_c_0.set_gain_mode(0, 0)
self.rtlsdr_source_c_0.set_gain(10, 0)
self.rtlsdr_source_c_0.set_if_gain(20, 0)
self.rtlsdr_source_c_0.set_bb_gain(20, 0)
self.rtlsdr_source_c_0.set_antenna("", 0)
self.rtlsdr_source_c_0.set_bandwidth(0, 0)
self.qtgui_sink_x_2 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_2.set_update_time(1.0 / 10)
self._qtgui_sink_x_2_win = sip.wrapinstance(self.qtgui_sink_x_2.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_2_win)
self.qtgui_sink_x_1 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_1.set_update_time(1.0 / 10)
self._qtgui_sink_x_1_win = sip.wrapinstance(self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_1_win)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
91.9e6, #fc
samp_rate/2, #bw
"QT GUI Plot", #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_layout.addWidget(self._qtgui_sink_x_0_win)
self.pfb_arb_resampler_xxx_0 = filter.pfb.arb_resampler_fff(
resamp_rate,
taps=(firdes.low_pass_2(volume*nfilts, nfilts*in_rate, 15e3, 1e3, 60, firdes.WIN_KAISER)),
flt_size=nfilts)
self.audio_sink_0 = audio.sink(int(audio_rate), "pulse", True)
self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(in_rate/(2*math.pi*fm_deviation_hz/8.0))
##################################################
# Connections
##################################################
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.qtgui_sink_x_2, 0))
self.connect((self.rtlsdr_source_c_0, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.rtlsdr_source_c_0, 0), (self.analog_quadrature_demod_cf_0, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.qtgui_sink_x_1, 0))
self.connect((self.analog_quadrature_demod_cf_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
def __init__(self):
gr.top_block.__init__(self)
parser = OptionParser(option_class=eng_option)
parser.add_option("-e",
"--interface",
type="string",
default="eth0",
help="select Ethernet interface, default is eth0")
parser.add_option(
"-m",
"--mac-addr",
type="string",
default="",
help="select USRP by MAC address, default is auto-select")
parser.add_option("-W",
"--bw",
type="eng_float",
default=1e6,
help="set bandwidth of receiver [default=%default]")
parser.add_option("-f",
"--freq",
type="eng_float",
default=2412e6,
help="set frequency to FREQ",
metavar="FREQ")
parser.add_option("-g",
"--gain",
type="eng_float",
default=None,
help="set gain in dB (default is midpoint)")
parser.add_option("--fft-size",
type="int",
default=2048,
help="Set number of FFT bins [default=%default]")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
self.options = options
self.show_debug_info = True
self.qapp = QtGui.QApplication(sys.argv)
self.u = usrp2.source_32fc(options.interface, options.mac_addr)
self._adc_rate = self.u.adc_rate()
self.set_bandwidth(options.bw)
if options.gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.gain_range()
options.gain = float(g[0] + g[1]) / 2
self.set_gain(options.gain)
if options.freq is None:
# if no frequency was specified, use the mid-point of the subdev
f = self.u.freq_range()
options.freq = float(f[0] + f[1]) / 2
self.set_frequency(options.freq)
self._fftsize = options.fft_size
self.snk = qtgui.sink_c(options.fft_size,
gr.firdes.WIN_BLACKMAN_hARRIS, self._freq,
self._bandwidth, "USRP2 Display", True, True,
True, False)
# Set up internal amplifier
self.amp = gr.multiply_const_cc(0.0)
self.set_amplifier_gain(100)
# Create a single-pole IIR filter to remove DC
# but don't connect it yet
self.dc_gain = 0.001
self.dc = gr.single_pole_iir_filter_cc(self.dc_gain)
self.dc_sub = gr.sub_cc()
self.connect(self.u, self.amp, self.snk)
if self.show_debug_info:
print "Decimation rate: ", self._decim
print "Bandwidth: ", self._bandwidth
print "D'board: ", self.u.daughterboard_id()
# Get the reference pointer to the SpectrumDisplayForm QWidget
# Wrap the pointer as a PyQt SIP object
# This can now be manipulated as a PyQt4.QtGui.QWidget
self.pysink = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
self.main_win = main_window(self.pysink, self)
self.main_win.set_frequency(self._freq)
self.main_win.set_gain(self._gain)
self.main_win.set_bandwidth(self._bandwidth)
self.main_win.set_amplifier(self._amp_value)
self.main_win.show()
def __init__(self, options):
gr.top_block.__init__(self)
self.options = options
self.show_debug_info = True
self.qapp = QtGui.QApplication(sys.argv)
self.u = uhd.usrp_source(device_addr=options.address,
stream_args=uhd.stream_args('fc32'))
self.set_bandwidth(options.samp_rate)
if options.gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.get_gain_range()
options.gain = float(g.start() + g.stop()) / 2
self.set_gain(options.gain)
if options.freq is None:
# if no freq was specified, use the mid-point
r = self.u.get_freq_range()
options.freq = float(r.start() + r.stop()) / 2
self.set_frequency(options.freq)
if (options.antenna):
self.u.set_antenna(options.antenna, 0)
self._fftsize = options.fft_size
self.snk = qtgui.sink_c(options.fft_size,
gr.firdes.WIN_BLACKMAN_hARRIS, self._freq,
self._bandwidth, "UHD Display", True, True,
True, False)
# Set up internal amplifier
self.amp = gr.multiply_const_cc(0.0)
self.set_amplifier_gain(100)
# Create a single-pole IIR filter to remove DC
# but don't connect it yet
self.dc_gain = 0.001
self.dc = gr.single_pole_iir_filter_cc(self.dc_gain)
self.dc_sub = gr.sub_cc()
self.connect(self.u, self.amp, self.snk)
if self.show_debug_info:
print "Bandwidth: ", self.u.get_samp_rate()
print "Center Freq: ", self.u.get_center_freq()
print "Freq Range: ", self.u.get_freq_range()
# Get the reference pointer to the SpectrumDisplayForm QWidget
# Wrap the pointer as a PyQt SIP object
# This can now be manipulated as a PyQt4.QtGui.QWidget
self.pysink = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
self.main_win = main_window(self.pysink, self)
self.main_win.set_frequency(self._freq)
self.main_win.set_gain(self._gain)
self.main_win.set_bandwidth(self._bandwidth)
self.main_win.set_amplifier(self._amp_value)
self.main_win.show()
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
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.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.random_source_x_0 = gr.vector_source_s(map(int, numpy.random.randint(0, 2, 1000)), True)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #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_layout.addWidget(self._qtgui_sink_x_0_win)
self.digital_ofdm_mod_0 = grc_blks2.packet_mod_f(digital.ofdm_mod(
options=grc_blks2.options(
modulation="qpsk",
fft_length=512,
occupied_tones=300,
cp_length=128,
pad_for_usrp=True,
log=None,
verbose=None,
),
),
payload_length=0,
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.blocks_short_to_float_0 = blocks.short_to_float(1, 1)
##################################################
# Connections
##################################################
self.connect((self.random_source_x_0, 0), (self.blocks_short_to_float_0, 0))
self.connect((self.blocks_short_to_float_0, 0), (self.digital_ofdm_mod_0, 0))
self.connect((self.digital_ofdm_mod_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_sink_x_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
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.snr_db = snr_db = 3
self.noiseAmplitude = noiseAmplitude = sqrt(1 / (10**(0.1 * snr_db)))
self.constellation = constellation = [-1.3416, -0.4472, 0.4472, 1.3416]
self.bits = bits = 2
##################################################
# Blocks
##################################################
self.random_source_x_0 = gr.vector_source_b(
map(int, numpy.random.randint(0, 4, 10000)), True)
self.qtgui_sink_x_0_0_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
400, #bw
"QT GUI Plot", #name
False, #plotfreq
False, #plotwaterfall
False, #plottime
True, #plotconst
)
self.qtgui_sink_x_0_0_1.set_update_time(1.0 / 100)
self._qtgui_sink_x_0_0_1_win = sip.wrapinstance(
self.qtgui_sink_x_0_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_0_1_win)
self.gr_tag_debug_0 = gr.tag_debug(gr.sizeof_float * 1, "")
self.gr_noise_source_x_0 = gr.noise_source_f(gr.GR_GAUSSIAN,
noiseAmplitude, 0)
self.gr_file_sink_1 = gr.file_sink(gr.sizeof_gr_complex * 1,
"symbols.bin")
self.gr_file_sink_1.set_unbuffered(False)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_char * 1, "output.bin")
self.gr_file_sink_0_0.set_unbuffered(False)
self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char * 1, "input.bin")
self.gr_file_sink_0.set_unbuffered(False)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
digital.constellation_calcdist([-3, -1, 1, 3], [], 1, 1).base())
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bf(
(constellation), 1)
self.const_source_x_0 = gr.sig_source_f(0, gr.GR_CONST_WAVE, 0, 0, 0)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1, 100)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_add_xx_0 = blocks.add_vff(1)
self.blks2_error_rate_0 = grc_blks2.error_rate(
type='BER',
win_size=10000,
bits_per_symbol=bits,
)
##################################################
# Connections
##################################################
self.connect((self.random_source_x_0, 0), (self.blks2_error_rate_0, 0))
self.connect((self.random_source_x_0, 0),
(self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.gr_noise_source_x_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.blks2_error_rate_0, 1))
self.connect((self.random_source_x_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.gr_file_sink_0_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.const_source_x_0, 0),
(self.blocks_float_to_complex_0, 1))
self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.qtgui_sink_x_0_0_1, 0))
self.connect((self.blocks_float_to_complex_0, 0),
(self.gr_file_sink_1, 0))
self.connect((self.blks2_error_rate_0, 0), (self.gr_tag_debug_0, 0))
def __init__(self):
gr.top_block.__init__(self, "LTE flowgraph")
Qt.QWidget.__init__(self)
self.setWindowTitle("LTE flowgraph")
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.fftlen = fftlen = 512
self.cpl0 = cpl0 = 160*fftlen/2048
self.cpl = cpl = 144*fftlen/2048
self.slotl = slotl = 7*fftlen+6*cpl+cpl0
self.samp_rate = samp_rate = slotl/0.0005
self.style = style = "tx_diversity"
self.interp_val = interp_val = int(samp_rate/1e4)
self.N_rb_dl = N_rb_dl = 6
##################################################
# Blocks
##################################################
self.eq = lte.linear_OFDM_equalizer_hier_vcvc(N_rb_dl)
self.descr = lte.descrambling_vfvf()
self.demux = lte.pbch_demux_vcvc(N_rb_dl)
self.daemon = lte.cell_id_daemon(self.eq.eq, self.demux, self.descr)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_win)
self.lte_viterbi_vfvb_0 = lte.viterbi_vfvb()
self.lte_remove_cp_cvc_1 = lte.remove_cp_cvc(fftlen)
self.lte_rate_unmatch_vff_0 = lte.rate_unmatch_vff()
self.lte_qpsk_soft_demod_vcvf_0 = lte.qpsk_soft_demod_vcvf()
self.lte_pss_sync_hier_cc_0 = lte.pss_sync_hier_cc(fftlen)
self.lte_pre_decoder_vcvc_0_0 = lte.pre_decoder_vcvc(2, style)
self.lte_pre_decoder_vcvc_0 = lte.pre_decoder_vcvc(1, style)
self.lte_mib_unpack_vb_0 = lte.mib_unpack_vb()
self.lte_layer_demapper_vcvc_0_0 = lte.layer_demapper_vcvc(2, style)
self.lte_layer_demapper_vcvc_0 = lte.layer_demapper_vcvc(1, style)
self.lte_hier_sss_sync_cc_0 = lte.hier_sss_sync_cc(self.daemon, fftlen)
self.lte_hier_freq_estimate_cc_0 = lte.hier_freq_estimate_cc(fftlen)
self.lte_extract_occupied_tones_vcvc_0 = lte.extract_occupied_tones_vcvc(N_rb_dl,fftlen)
self.lte_crc_calculator_vbvb_0 = lte.crc_calculator_vbvb()
self.lte_cp_time_freq_sync_cc_0 = lte.cp_time_freq_sync_cc(fftlen)
self.gr_vector_to_stream_0 = gr.vector_to_stream(gr.sizeof_gr_complex*1, 240)
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate)
self.gr_interleave_0 = gr.interleave(gr.sizeof_gr_complex*240)
self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, "/home/demel/Dokumente/Messungen_31_10_2012/samples_12.5MSps_20dB.iq", False)
self.fft_vxx_0 = fft.fft_vcc(fftlen, True, (window.rectangular(fftlen)), False, 1)
self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_ccc(
interpolation=interp_val,
decimation=1250,
taps=None,
fractional_bw=None,
)
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_0, 0), (self.blks2_rational_resampler_xxx_0, 0))
self.connect((self.blks2_rational_resampler_xxx_0, 0), (self.gr_throttle_0, 0))
self.connect((self.lte_hier_freq_estimate_cc_0, 0), (self.lte_hier_sss_sync_cc_0, 0))
self.connect((self.lte_pss_sync_hier_cc_0, 0), (self.lte_hier_freq_estimate_cc_0, 0))
self.connect((self.lte_cp_time_freq_sync_cc_0, 0), (self.lte_pss_sync_hier_cc_0, 0))
self.connect((self.gr_throttle_0, 0), (self.lte_cp_time_freq_sync_cc_0, 0))
self.connect((self.lte_hier_sss_sync_cc_0, 0), (self.lte_remove_cp_cvc_1, 0))
self.connect((self.fft_vxx_0, 0), (self.lte_extract_occupied_tones_vcvc_0, 0))
self.connect((self.lte_remove_cp_cvc_1, 0), (self.fft_vxx_0, 0))
self.connect((self.lte_extract_occupied_tones_vcvc_0, 0), (self.eq, 0))
self.connect((self.lte_pre_decoder_vcvc_0, 0), (self.lte_layer_demapper_vcvc_0, 0))
self.connect((self.eq, 0), (self.demux, 0))
self.connect((self.eq, 1), (self.demux, 1))
self.connect((self.eq, 2), (self.demux, 2))
self.connect((self.lte_pre_decoder_vcvc_0_0, 0), (self.lte_layer_demapper_vcvc_0_0, 0))
self.connect((self.lte_layer_demapper_vcvc_0_0, 0), (self.gr_interleave_0, 1))
self.connect((self.demux, 1), (self.lte_pre_decoder_vcvc_0_0, 1))
self.connect((self.demux, 1), (self.lte_pre_decoder_vcvc_0, 1))
self.connect((self.demux, 0), (self.lte_pre_decoder_vcvc_0, 0))
self.connect((self.demux, 2), (self.lte_pre_decoder_vcvc_0_0, 2))
self.connect((self.demux, 0), (self.lte_pre_decoder_vcvc_0_0, 0))
self.connect((self.lte_qpsk_soft_demod_vcvf_0, 0), (self.descr, 0))
self.connect((self.gr_interleave_0, 0), (self.lte_qpsk_soft_demod_vcvf_0, 0))
self.connect((self.lte_layer_demapper_vcvc_0, 0), (self.gr_interleave_0, 0))
self.connect((self.descr, 0), (self.lte_rate_unmatch_vff_0, 0))
self.connect((self.lte_crc_calculator_vbvb_0, 1), (self.lte_mib_unpack_vb_0, 1))
self.connect((self.lte_crc_calculator_vbvb_0, 0), (self.lte_mib_unpack_vb_0, 0))
self.connect((self.lte_viterbi_vfvb_0, 0), (self.lte_crc_calculator_vbvb_0, 0))
self.connect((self.lte_rate_unmatch_vff_0, 0), (self.lte_viterbi_vfvb_0, 0))
self.connect((self.gr_interleave_0, 0), (self.gr_vector_to_stream_0, 0))
self.connect((self.gr_vector_to_stream_0, 0), (self.qtgui_sink_x_0, 0))
def __init__(self):
gr.top_block.__init__(self, "FM radio to test FCDPROplus")
Qt.QWidget.__init__(self)
self.setWindowTitle("FM radio to test FCDPROplus")
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.samp_rate = samp_rate = 192000
self.Volume = Volume = 1
self.RxFrequency = RxFrequency = 94300
self.PPM = PPM = 0
self.Mixergain = Mixergain = 1
self.Lna = Lna = 1
self.Ifgain = Ifgain = 0
##################################################
# Blocks
##################################################
self._Volume_layout = Qt.QHBoxLayout()
self._Volume_layout.addWidget(Qt.QLabel("Volume"+": "))
self._Volume_counter = Qwt.QwtCounter()
self._Volume_counter.setRange(1, 50, 1)
self._Volume_counter.setNumButtons(2)
self._Volume_counter.setMinimumWidth(45)
self._Volume_counter.setValue(self.Volume)
self._Volume_layout.addWidget(self._Volume_counter)
self._Volume_counter.valueChanged.connect(self.set_Volume)
self.top_grid_layout.addLayout(self._Volume_layout, 0,5,1,1)
self._RxFrequency_layout = Qt.QHBoxLayout()
self._RxFrequency_layout.addWidget(Qt.QLabel("Set Frequency "+": "))
self._RxFrequency_counter = Qwt.QwtCounter()
self._RxFrequency_counter.setRange(3000, 100000, 1)
self._RxFrequency_counter.setNumButtons(2)
self._RxFrequency_counter.setMinimumWidth(200)
self._RxFrequency_counter.setValue(self.RxFrequency)
self._RxFrequency_layout.addWidget(self._RxFrequency_counter)
self._RxFrequency_counter.valueChanged.connect(self.set_RxFrequency)
self.top_grid_layout.addLayout(self._RxFrequency_layout, 0,0,1,1)
self._PPM_layout = Qt.QHBoxLayout()
self._PPM_layout.addWidget(Qt.QLabel("set PPM"+": "))
self._PPM_counter = Qwt.QwtCounter()
self._PPM_counter.setRange(-100, 100, 1)
self._PPM_counter.setNumButtons(2)
self._PPM_counter.setMinimumWidth(40)
self._PPM_counter.setValue(self.PPM)
self._PPM_layout.addWidget(self._PPM_counter)
self._PPM_counter.valueChanged.connect(self.set_PPM)
self.top_grid_layout.addLayout(self._PPM_layout, 0,6,1,1)
self._Mixergain_options = (0, 1, )
self._Mixergain_labels = ("Off", "On", )
self._Mixergain_tool_bar = Qt.QToolBar(self)
self._Mixergain_tool_bar.addWidget(Qt.QLabel("Mixergain"+": "))
self._Mixergain_combo_box = Qt.QComboBox()
self._Mixergain_tool_bar.addWidget(self._Mixergain_combo_box)
for label in self._Mixergain_labels: self._Mixergain_combo_box.addItem(label)
self._Mixergain_callback = lambda i: self._Mixergain_combo_box.setCurrentIndex(self._Mixergain_options.index(i))
self._Mixergain_callback(self.Mixergain)
self._Mixergain_combo_box.currentIndexChanged.connect(
lambda i: self.set_Mixergain(self._Mixergain_options[i]))
self.top_grid_layout.addWidget(self._Mixergain_tool_bar, 0,2,1,1)
self._Lna_options = (0, 1, )
self._Lna_labels = ("Off", "On", )
self._Lna_tool_bar = Qt.QToolBar(self)
self._Lna_tool_bar.addWidget(Qt.QLabel("Lna"+": "))
self._Lna_combo_box = Qt.QComboBox()
self._Lna_tool_bar.addWidget(self._Lna_combo_box)
for label in self._Lna_labels: self._Lna_combo_box.addItem(label)
self._Lna_callback = lambda i: self._Lna_combo_box.setCurrentIndex(self._Lna_options.index(i))
self._Lna_callback(self.Lna)
self._Lna_combo_box.currentIndexChanged.connect(
lambda i: self.set_Lna(self._Lna_options[i]))
self.top_grid_layout.addWidget(self._Lna_tool_bar, 0,1,1,1)
self._Ifgain_layout = Qt.QHBoxLayout()
self._Ifgain_layout.addWidget(Qt.QLabel("Ifgain"+": "))
self._Ifgain_counter = Qwt.QwtCounter()
self._Ifgain_counter.setRange(0, 59, 1)
self._Ifgain_counter.setNumButtons(2)
self._Ifgain_counter.setMinimumWidth(45)
self._Ifgain_counter.setValue(self.Ifgain)
self._Ifgain_layout.addWidget(self._Ifgain_counter)
self._Ifgain_counter.valueChanged.connect(self.set_Ifgain)
self.top_grid_layout.addLayout(self._Ifgain_layout, 0,3,1,1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate/4, #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.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win, 1,4,1,3)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
RxFrequency*1000, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
True, #plotwaterfall
False, #plottime
False, #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, 1,0,1,4)
self.low_pass_filter_1 = gr.fir_filter_fff(4, firdes.low_pass(
1, samp_rate, 16000, 300, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = gr.fir_filter_ccf(1, firdes.low_pass(
5, samp_rate, 40000, 300, firdes.WIN_HAMMING, 6.76))
self.gr_quadrature_demod_cf_0 = gr.quadrature_demod_cf(1)
self.gr_multiply_const_vxx_0 = gr.multiply_const_vff((Volume, ))
self.fcdproplus_fcdproplus_0 = fcdproplus.fcdproplus("",1000)
self.fcdproplus_fcdproplus_0.set_lna(Lna)
self.fcdproplus_fcdproplus_0.set_mixer_gain(Mixergain)
self.fcdproplus_fcdproplus_0.set_if_gain(int(Ifgain))
self.fcdproplus_fcdproplus_0.set_freq_corr(int( PPM))
self.fcdproplus_fcdproplus_0.set_freq(RxFrequency)
self.blks2_fm_deemph_0 = blks2.fm_deemph(fs=samp_rate, tau=25e-6)
self.audio_sink_0 = audio.sink(48000, "default", True)
##################################################
# Connections
##################################################
self.connect((self.fcdproplus_fcdproplus_0, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.fcdproplus_fcdproplus_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.audio_sink_0, 1))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.gr_quadrature_demod_cf_0, 0))
self.connect((self.low_pass_filter_1, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_quadrature_demod_cf_0, 0), (self.blks2_fm_deemph_0, 0))
self.connect((self.blks2_fm_deemph_0, 0), (self.low_pass_filter_1, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
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.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.random_source_x_0 = gr.vector_source_s(
map(int, numpy.random.randint(0, 2, 1000)), True)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #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_layout.addWidget(self._qtgui_sink_x_0_win)
self.digital_ofdm_mod_0 = grc_blks2.packet_mod_f(
digital.ofdm_mod(options=grc_blks2.options(
modulation="qpsk",
fft_length=512,
occupied_tones=300,
cp_length=128,
pad_for_usrp=True,
log=None,
verbose=None,
), ),
payload_length=0,
)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate)
self.blocks_short_to_float_0 = blocks.short_to_float(1, 1)
##################################################
# Connections
##################################################
self.connect((self.random_source_x_0, 0),
(self.blocks_short_to_float_0, 0))
self.connect((self.blocks_short_to_float_0, 0),
(self.digital_ofdm_mod_0, 0))
self.connect((self.digital_ofdm_mod_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.qtgui_sink_x_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
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.samp_rate = samp_rate = 10e6
self.gain = gain = 10
self.fc = fc = 806e6
##################################################
# Blocks
##################################################
self._gain_layout = Qt.QVBoxLayout()
self._gain_tool_bar = Qt.QToolBar(self)
self._gain_layout.addWidget(self._gain_tool_bar)
self._gain_tool_bar.addWidget(Qt.QLabel("gain"+": "))
self._gain_counter = Qwt.QwtCounter()
self._gain_counter.setRange(0, 31, 1)
self._gain_counter.setNumButtons(2)
self._gain_counter.setValue(self.gain)
self._gain_tool_bar.addWidget(self._gain_counter)
self._gain_counter.valueChanged.connect(self.set_gain)
self._gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._gain_slider.setRange(0, 31, 1)
self._gain_slider.setValue(self.gain)
self._gain_slider.setMinimumWidth(200)
self._gain_slider.valueChanged.connect(self.set_gain)
self._gain_layout.addWidget(self._gain_slider)
self.top_layout.addLayout(self._gain_layout)
self._fc_layout = Qt.QVBoxLayout()
self._fc_tool_bar = Qt.QToolBar(self)
self._fc_layout.addWidget(self._fc_tool_bar)
self._fc_tool_bar.addWidget(Qt.QLabel("fc"+": "))
self._fc_counter = Qwt.QwtCounter()
self._fc_counter.setRange(805e6, 807e6, 1)
self._fc_counter.setNumButtons(2)
self._fc_counter.setValue(self.fc)
self._fc_tool_bar.addWidget(self._fc_counter)
self._fc_counter.valueChanged.connect(self.set_fc)
self._fc_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._fc_slider.setRange(805e6, 807e6, 1)
self._fc_slider.setValue(self.fc)
self._fc_slider.setMinimumWidth(200)
self._fc_slider.valueChanged.connect(self.set_fc)
self._fc_layout.addWidget(self._fc_slider)
self.top_layout.addLayout(self._fc_layout)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="ip=192.168.10.6",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(fc, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.uhd_usrp_source_0.set_antenna("RX2", 0)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #name
True, #plotfreq
False, #plotwaterfall
False, #plottime
True, #plotconst
)
self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_win)
self.gr_file_sink_0 = gr.file_sink(gr.sizeof_gr_complex*1, "/home/demel/gr-lte/data/Measure_LTE_GAIN"+str(gain)+"_DATE"+str(datetime.datetime.now())+".dat")
self.gr_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.gr_file_sink_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 = True
fftsize = 2048
self.data = scipy.random.randint(0, 255, 1000)
self.src = gr.vector_source_b(self.data.tolist(), True)
self.mod = blks2.dqpsk_mod(self.sps, self.excess_bw, self.gray_code, False, 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.alpha = 0.15
self.beta = 0.25 * self.alpha * self.alpha
self.fmin = -1000/self.sample_rate()
self.fmax = 1000/self.sample_rate()
self.receiver = gr.mpsk_receiver_cc(self.arity, 0,
self.alpha, self.beta,
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, False, True, True)
self.snk_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, self._sample_rate,
"Rx", True, True, False, 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, demodulator, rx_callback, options):
gr.top_block.__init__(self)
self._rx_freq = options.rx_freq # receiver's center frequency
self._rx_gain = options.rx_gain # receiver's gain
self._rx_subdev_spec = options.rx_subdev_spec # daughterboard to use
self._decim = options.decim # Decimating rate for the USRP (prelim)
self._bitrate = options.bitrate
self._samples_per_symbol = options.samples_per_symbol
self._demod_class = demodulator
self.gui_on = options.gui
if self._rx_freq is None:
sys.stderr.write("-f FREQ or --freq FREQ or --rx-freq FREQ must be specified\n")
raise SystemExit
# Set up USRP source
self._setup_usrp_source(options)
# copy the final answers back into options for use by demodulator
options.samples_per_symbol = self._samples_per_symbol
options.bitrate = self._bitrate
options.decim = self._decim
ok = self.set_freq(self._rx_freq)
if not ok:
print "Failed to set Rx frequency to %s" % (eng_notation.num_to_str(self._rx_freq))
raise ValueError, eng_notation.num_to_str(self._rx_freq)
self.set_gain(options.rx_gain)
# Set up receive path
self.rxpath = receive_path(demodulator, rx_callback, options)
# FIXME: do better exposure to lower issues for control
self._gain_mu = self.rxpath.packet_receiver._demodulator._mm_gain_mu
self._alpha = self.rxpath.packet_receiver._demodulator._costas_alpha
self.connect(self.u, self.rxpath)
if self.gui_on:
self.qapp = QtGui.QApplication(sys.argv)
fftsize = 2048
bw_in = self.u.adc_rate() / self.decim()
self.snk_rxin = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
self._rx_freq, bw_in,
"Received", True, True, False, True, True, False)
self.snk_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, self._bitrate,
"Post-Synchronizer", True, True, False, True, True, False)
self.snk_rxin.set_frequency_axis(-60, 60)
self.snk_rx.set_frequency_axis(-60, 20)
self.snk_rxin.set_time_domain_axis(-2000,2000)
# Connect to the QT sinks
# FIXME: make better exposure to receiver from rxpath
self.receiver = self.rxpath.packet_receiver._demodulator.receiver
self.connect(self.u, self.snk_rxin)
self.connect(self.receiver, self.snk_rx)
pyRxInQt = self.snk_rxin.pyqwidget()
pyRxIn = sip.wrapinstance(pyRxInQt, QtGui.QWidget)
pyRxQt = self.snk_rx.pyqwidget()
pyRx = sip.wrapinstance(pyRxQt, QtGui.QWidget)
self.main_box = dialog_box(pyRxIn, pyRx, self)
self.main_box.show()
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, "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, mod_class, demod_class, rx_callback, options):
gr.top_block.__init__(self)
self._sample_rate = options.sample_rate
channelon = True;
self.gui_on = options.gui
self._frequency_offset = options.frequency_offset
self._timing_offset = options.timing_offset
self._tx_amplitude = options.tx_amplitude
self._snr_dB = options.snr
self._noise_voltage = self.get_noise_voltage(self._snr_dB)
self.txpath = transmit_path(mod_class, options)
self.throttle = gr.throttle(gr.sizeof_gr_complex, self.sample_rate())
self.rxpath = receive_path(demod_class, rx_callback, options)
# FIXME: do better exposure to lower issues for control
self._gain_mu = self.rxpath.packet_receiver._demodulator._mm_gain_mu
self._alpha = self.rxpath.packet_receiver._demodulator._costas_alpha
if channelon:
self.channel = gr.channel_model(self._noise_voltage,
self.frequency_offset(),
self.timing_offset())
if options.discontinuous:
z = 20000*[0,]
self.zeros = gr.vector_source_c(z, True)
packet_size = 5*((4+8+4+1500+4) * 8)
self.mux = gr.stream_mux(gr.sizeof_gr_complex, [packet_size-0, int(9e5)])
# Connect components
self.connect(self.txpath, self.throttle, (self.mux,0))
self.connect(self.zeros, (self.mux,1))
self.connect(self.mux, self.channel, self.rxpath)
else:
self.connect(self.txpath, self.throttle, self.channel, self.rxpath)
if self.gui_on:
self.qapp = QtGui.QApplication(sys.argv)
fftsize = 2048
self.snk_tx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, 1,
"Tx", True, True, False, True, True)
self.snk_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, 1,
"Rx", True, True, False, True, True)
self.snk_tx.set_frequency_axis(-80, 0)
self.snk_rx.set_frequency_axis(-60, 20)
# Connect to the QT sinks
# FIXME: make better exposure to receiver from rxpath
self.receiver = self.rxpath.packet_receiver._demodulator.receiver
self.connect(self.channel, self.snk_tx)
self.connect(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()
else:
# Connect components
self.connect(self.txpath, self.throttle, self.rxpath)
def __init__(self):
gr.top_block.__init__(self)
parser = OptionParser(option_class=eng_option)
parser.add_option("-w", "--which", type="int", default=0,
help="select which USRP (0, 1, ...) default is %default",
metavar="NUM")
parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None,
help="select USRP Rx side A or B (default=first one with a daughterboard)")
parser.add_option("-A", "--antenna", default=None,
help="select Rx Antenna (only on RFX-series boards)")
parser.add_option("-W", "--bw", type="float", default=1e6,
help="set bandwidth of receiver [default=%default]")
parser.add_option("-f", "--freq", type="eng_float", default=None,
help="set frequency to FREQ", metavar="FREQ")
parser.add_option("-g", "--gain", type="eng_float", default=None,
help="set gain in dB [default is midpoint]")
parser.add_option("-8", "--width-8", action="store_true", default=False,
help="Enable 8-bit samples across USB")
parser.add_option( "--no-hb", action="store_true", default=False,
help="don't use halfband filter in usrp")
parser.add_option("-S", "--oscilloscope", action="store_true", default=False,
help="Enable oscilloscope display")
parser.add_option("", "--avg-alpha", type="eng_float", default=1e-1,
help="Set fftsink averaging factor, [default=%default]")
parser.add_option("", "--ref-scale", type="eng_float", default=13490.0,
help="Set dBFS=0dB input value, [default=%default]")
parser.add_option("", "--fft-size", type="int", default=2048,
help="Set FFT frame size, [default=%default]");
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
self.options = options
self.show_debug_info = True
# Call this before creating the Qt sink
self.qapp = QtGui.QApplication(sys.argv)
self._fftsize = options.fft_size
self.u = usrp.source_c(which=options.which)
self._adc_rate = self.u.converter_rate()
self.set_bandwidth(options.bw)
if options.rx_subdev_spec is None:
options.rx_subdev_spec = pick_subdevice(self.u)
self._rx_subdev_spec = options.rx_subdev_spec
self.u.set_mux(usrp.determine_rx_mux_value(self.u, self._rx_subdev_spec))
self.subdev = usrp.selected_subdev(self.u, self._rx_subdev_spec)
self._gain_range = self.subdev.gain_range()
if options.gain is None:
# if no gain was specified, use the mid-point in dB
g = self._gain_range
options.gain = float(g[0]+g[1])/2
self.set_gain(options.gain)
if options.freq is None:
# if no frequency was specified, use the mid-point of the subdev
f = self.subdev.freq_range()
options.freq = float(f[0]+f[1])/2
self.set_frequency(options.freq)
self.snk = qtgui.sink_c(self._fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
self._freq, self._bandwidth,
"USRP Display",
True, True, True, False)
# Set up internal amplifier
self.amp = gr.multiply_const_cc(0.0)
self.set_amplifier_gain(0.001)
# Connect the flow graph
self.connect(self.u, self.amp, self.snk)
# Get the reference pointer to the SpectrumDisplayForm QWidget
# Wrap the pointer as a PyQt SIP object
# This can now be manipulated as a PyQt4.QtGui.QWidget
self.pysink = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
self.main_win = main_window(self.pysink, self)
self.main_win.set_frequency(self._freq)
self.main_win.set_gain(self._gain)
self.main_win.set_bandwidth(self._bandwidth)
self.main_win.set_amplifier(self._amp_value)
self.main_win.show()
def __init__(self, mod_class, demod_class, rx_callback, options):
gr.top_block.__init__(self)
self._sample_rate = options.sample_rate
channelon = True;
self.gui_on = options.gui
self._frequency_offset = options.frequency_offset
self._timing_offset = options.timing_offset
self._tx_amplitude = options.tx_amplitude
self._snr_dB = options.snr
self._noise_voltage = self.get_noise_voltage(self._snr_dB)
# With new interface, sps does not get set by default, but
# in the loopback, we don't recalculate it; so just force it here
if(options.samples_per_symbol == None):
options.samples_per_symbol = 2
self.txpath = transmit_path(mod_class, options)
self.throttle = gr.throttle(gr.sizeof_gr_complex, self.sample_rate())
self.rxpath = receive_path(demod_class, rx_callback, options)
# FIXME: do better exposure to lower issues for control
self._gain_clock = self.rxpath.packet_receiver._demodulator._timing_alpha
self._gain_phase = self.rxpath.packet_receiver._demodulator._phase_alpha
self._gain_freq = self.rxpath.packet_receiver._demodulator._freq_alpha
if channelon:
self.channel = gr.channel_model(self._noise_voltage,
self.frequency_offset(),
self.timing_offset())
if options.discontinuous:
z = 20000*[0,]
self.zeros = gr.vector_source_c(z, True)
packet_size = 5*((4+8+4+1500+4) * 8)
self.mux = gr.stream_mux(gr.sizeof_gr_complex, [packet_size-0, int(9e5)])
# Connect components
self.connect(self.txpath, self.throttle, (self.mux,0))
self.connect(self.zeros, (self.mux,1))
self.connect(self.mux, self.channel, self.rxpath)
else:
self.connect(self.txpath, self.throttle, self.channel, self.rxpath)
if self.gui_on:
self.qapp = QtGui.QApplication(sys.argv)
fftsize = 2048
self.snk_tx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, 1,
"Tx", True, True, False, True, True)
self.snk_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, 1,
"Rx", True, True, False, True, True)
self.snk_tx.set_frequency_axis(-80, 0)
self.snk_rx.set_frequency_axis(-60, 20)
self.freq_recov = self.rxpath.packet_receiver._demodulator.freq_recov
self.phase_recov = self.rxpath.packet_receiver._demodulator.phase_recov
self.time_recov = self.rxpath.packet_receiver._demodulator.time_recov
self.freq_recov.set_alpha(self._gain_freq)
self.freq_recov.set_beta(self._gain_freq/10.0)
self.phase_recov.set_alpha(self._gain_phase)
self.phase_recov.set_beta(0.25*self._gain_phase*self._gain_phase)
self.time_recov.set_alpha(self._gain_clock)
self.time_recov.set_beta(0.25*self._gain_clock*self._gain_clock)
# Connect to the QT sinks
# FIXME: make better exposure to receiver from rxpath
self.connect(self.channel, self.snk_tx)
self.connect(self.phase_recov, self.snk_rx)
#self.connect(self.freq_recov, 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()
else:
# Connect components
self.connect(self.txpath, self.throttle, self.rxpath)
def __init__(self):
gr.top_block.__init__(self)
parser = OptionParser(option_class=eng_option)
parser.add_option("-e", "--interface", type="string", default="eth0",
help="select Ethernet interface, default is eth0")
parser.add_option("-m", "--mac-addr", type="string", default="",
help="select USRP by MAC address, default is auto-select")
parser.add_option("-W", "--bw", type="eng_float", default=1e6,
help="set bandwidth of receiver [default=%default]")
parser.add_option("-f", "--freq", type="eng_float", default=2412e6,
help="set frequency to FREQ", metavar="FREQ")
parser.add_option("-g", "--gain", type="eng_float", default=None,
help="set gain in dB (default is midpoint)")
parser.add_option("--fft-size", type="int", default=2048,
help="Set number of FFT bins [default=%default]")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
self.options = options
self.show_debug_info = True
self.qapp = QtGui.QApplication(sys.argv)
self.u = usrp2.source_32fc(options.interface, options.mac_addr)
self._adc_rate = self.u.adc_rate()
self.set_bandwidth(options.bw)
if options.gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.gain_range()
options.gain = float(g[0]+g[1])/2
self.set_gain(options.gain)
if options.freq is None:
# if no frequency was specified, use the mid-point of the subdev
f = self.u.freq_range()
options.freq = float(f[0]+f[1])/2
self.set_frequency(options.freq)
self._fftsize = options.fft_size
self.snk = qtgui.sink_c(options.fft_size, gr.firdes.WIN_BLACKMAN_hARRIS,
self._freq, self._bandwidth,
"USRP2 Display",
True, True, True, False)
# Set up internal amplifier
self.amp = gr.multiply_const_cc(0.0)
self.set_amplifier_gain(100)
# Create a single-pole IIR filter to remove DC
# but don't connect it yet
self.dc_gain = 0.001
self.dc = gr.single_pole_iir_filter_cc(self.dc_gain)
self.dc_sub = gr.sub_cc()
self.connect(self.u, self.amp, self.snk)
if self.show_debug_info:
print "Decimation rate: ", self._decim
print "Bandwidth: ", self._bandwidth
print "D'board: ", self.u.daughterboard_id()
# Get the reference pointer to the SpectrumDisplayForm QWidget
# Wrap the pointer as a PyQt SIP object
# This can now be manipulated as a PyQt4.QtGui.QWidget
self.pysink = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
self.main_win = main_window(self.pysink, self)
self.main_win.set_frequency(self._freq)
self.main_win.set_gain(self._gain)
self.main_win.set_bandwidth(self._bandwidth)
self.main_win.set_amplifier(self._amp_value)
self.main_win.show()
def __init__(self, demodulator, rx_callback, options):
gr.top_block.__init__(self)
self._rx_freq = options.rx_freq # receiver's center frequency
self._rx_gain = options.rx_gain # receiver's gain
self._rx_subdev_spec = options.rx_subdev_spec # daughterboard to use
self._decim = options.decim # Decimating rate for the USRP (prelim)
self._bitrate = options.bitrate
self._samples_per_symbol = options.samples_per_symbol
self._demod_class = demodulator
self.gui_on = options.gui
if self._rx_freq is None:
sys.stderr.write("-f FREQ or --freq FREQ or --rx-freq FREQ must be specified\n")
raise SystemExit
# Set up USRP source
self._setup_usrp_source(options)
# copy the final answers back into options for use by demodulator
options.samples_per_symbol = self._samples_per_symbol
options.bitrate = self._bitrate
options.decim = self._decim
ok = self.set_freq(self._rx_freq)
if not ok:
print "Failed to set Rx frequency to %s" % (eng_notation.num_to_str(self._rx_freq))
raise ValueError, eng_notation.num_to_str(self._rx_freq)
self.set_gain(options.rx_gain)
# Set up receive path
self.rxpath = receive_path(demodulator, rx_callback, options)
# FIXME: do better exposure to lower issues for control
self._gain_clock = self.rxpath.packet_receiver._demodulator._timing_alpha
self._gain_phase = self.rxpath.packet_receiver._demodulator._phase_alpha
self._gain_freq = self.rxpath.packet_receiver._demodulator._freq_alpha
self.connect(self.u, self.rxpath)
if self.gui_on:
self.qapp = QtGui.QApplication(sys.argv)
fftsize = 2048
bw_in = self.u.adc_rate() / self.decim()
self.snk_rxin = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
self._rx_freq, bw_in,
"Received", True, True, False, True, True, False)
self.snk_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, self._bitrate,
"Post-Synchronizer", True, True, False, True, True, False)
self.snk_rxin.set_frequency_axis(-140, 20)
self.snk_rx.set_frequency_axis(-80, 20)
self.snk_rxin.set_time_domain_axis(-2000,2000)
# Connect to the QT sinks
# FIXME: make better exposure to receiver from rxpath
self.receiver = self.rxpath.packet_receiver._demodulator.phase_recov
#self.receiver = self.rxpath.packet_receiver._demodulator.freq_recov
self.connect(self.u, self.snk_rxin)
self.connect(self.receiver, self.snk_rx)
pyRxInQt = self.snk_rxin.pyqwidget()
pyRxIn = sip.wrapinstance(pyRxInQt, QtGui.QWidget)
pyRxQt = self.snk_rx.pyqwidget()
pyRx = sip.wrapinstance(pyRxQt, QtGui.QWidget)
self.snk_freq = qtgui.sink_f(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, self._bitrate,
"FLL", True, False, False, True, False, False)
self.main_box = dialog_box(pyRxIn, pyRx, self)
self.main_box.show()
def __init__(self):
gr.top_block.__init__(self)
parser = OptionParser(option_class=eng_option)
parser.add_option(
"-w",
"--which",
type="int",
default=0,
help="select which USRP (0, 1, ...) default is %default",
metavar="NUM")
parser.add_option(
"-R",
"--rx-subdev-spec",
type="subdev",
default=None,
help=
"select USRP Rx side A or B (default=first one with a daughterboard)"
)
parser.add_option("-A",
"--antenna",
default=None,
help="select Rx Antenna (only on RFX-series boards)")
parser.add_option("-W",
"--bw",
type="float",
default=1e6,
help="set bandwidth of receiver [default=%default]")
parser.add_option("-f",
"--freq",
type="eng_float",
default=None,
help="set frequency to FREQ",
metavar="FREQ")
parser.add_option("-g",
"--gain",
type="eng_float",
default=None,
help="set gain in dB [default is midpoint]")
parser.add_option("-8",
"--width-8",
action="store_true",
default=False,
help="Enable 8-bit samples across USB")
parser.add_option("--no-hb",
action="store_true",
default=False,
help="don't use halfband filter in usrp")
parser.add_option("-S",
"--oscilloscope",
action="store_true",
default=False,
help="Enable oscilloscope display")
parser.add_option(
"",
"--avg-alpha",
type="eng_float",
default=1e-1,
help="Set fftsink averaging factor, [default=%default]")
parser.add_option("",
"--ref-scale",
type="eng_float",
default=13490.0,
help="Set dBFS=0dB input value, [default=%default]")
parser.add_option("",
"--fft-size",
type="int",
default=2048,
help="Set FFT frame size, [default=%default]")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
self.options = options
self.show_debug_info = True
# Call this before creating the Qt sink
self.qapp = QtGui.QApplication(sys.argv)
self._fftsize = options.fft_size
self.u = usrp.source_c(which=options.which)
self._adc_rate = self.u.converter_rate()
self.set_bandwidth(options.bw)
if options.rx_subdev_spec is None:
options.rx_subdev_spec = pick_subdevice(self.u)
self._rx_subdev_spec = options.rx_subdev_spec
self.u.set_mux(
usrp.determine_rx_mux_value(self.u, self._rx_subdev_spec))
self.subdev = usrp.selected_subdev(self.u, self._rx_subdev_spec)
self._gain_range = self.subdev.gain_range()
if options.gain is None:
# if no gain was specified, use the mid-point in dB
g = self._gain_range
options.gain = float(g[0] + g[1]) / 2
self.set_gain(options.gain)
if options.freq is None:
# if no frequency was specified, use the mid-point of the subdev
f = self.subdev.freq_range()
options.freq = float(f[0] + f[1]) / 2
self.set_frequency(options.freq)
self.snk = qtgui.sink_c(self._fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
self._freq, self._bandwidth, "USRP Display",
True, True, False, True, False)
# Set up internal amplifier
self.amp = gr.multiply_const_cc(0.0)
self.set_amplifier_gain(0.001)
# Connect the flow graph
self.connect(self.u, self.amp, self.snk)
# Get the reference pointer to the SpectrumDisplayForm QWidget
# Wrap the pointer as a PyQt SIP object
# This can now be manipulated as a PyQt4.QtGui.QWidget
self.pysink = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
self.main_win = main_window(self.pysink, self)
self.main_win.set_frequency(self._freq)
self.main_win.set_gain(self._gain)
self.main_win.set_bandwidth(self._bandwidth)
self.main_win.set_amplifier(self._amp_value)
self.main_win.show()
def __init__(self):
gr.top_block.__init__(self)
parser = OptionParser(option_class=eng_option)
parser.add_option("-e", "--interface", type="string", default="eth0",
help="select Ethernet interface, default is eth0")
parser.add_option("-m", "--mac-addr", type="string", default="",
help="select USRP by MAC address, default is auto-select")
#parser.add_option("-A", "--antenna", default=None,
# help="select Rx Antenna (only on RFX-series boards)")
parser.add_option("-f", "--freq", type="eng_float", default=100.1,
help="set frequency to FREQ", metavar="FREQ")
parser.add_option("-g", "--gain", type="eng_float", default=None,
help="set gain in dB (default is midpoint)")
parser.add_option("-V", "--volume", type="eng_float", default=None,
help="set volume (default is midpoint)")
parser.add_option("-O", "--audio-output", type="string", default="",
help="pcm device name. E.g., hw:0,0 or surround51 or /dev/dsp")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
self._volume = options.volume
self._usrp_freq = options.freq
self._usrp_gain = options.gain
self._audio_rate = int(32e3)
# build graph
self.u = usrp2.source_32fc(options.interface, options.mac_addr)
# calculate decimation values to get USRP BW at 320 kHz
self.calculate_usrp_bw(320e3)
self.set_decim(self._usrp_decim)
#FIXME: need named constants and text descriptions available to (gr-)usrp2 even
#when usrp(1) module is not built. A usrp_common module, perhaps?
dbid = self.u.daughterboard_id()
print "Using RX d'board 0x%04X" % (dbid,)
#if not (dbid == 0x0001 or #usrp_dbid.BASIC_RX
# dbid == 0x0003 or #usrp_dbid.TV_RX
# dbid == 0x000c or #usrp_dbid.TV_RX_REV_2
# dbid == 0x0040 or #usrp_dbid.TV_RX_REV_3
# dbid == 0x0043 or #usrp_dbid.TV_RX_MIMO
# dbid == 0x0044 or #usrp_dbid.TV_RX_REV_2_MIMO
# dbid == 0x0045 ): #usrp_dbid.TV_RX_REV_3_MIMO
# print "This daughterboard does not cover the required frequency range"
# print "for this application. Please use a BasicRX or TVRX daughterboard."
# raw_input("Press ENTER to continue anyway, or Ctrl-C to exit.")
chan_filt_coeffs = optfir.low_pass (1, # gain
self._usrp_rate, # sampling rate
80e3, # passband cutoff
115e3, # stopband cutoff
0.1, # passband ripple
60) # stopband attenuation
#print len(chan_filt_coeffs)
chan_filt = gr.fir_filter_ccf (self._chanfilt_decim, chan_filt_coeffs)
self.guts = blks2.wfm_rcv (self._demod_rate, self._audio_decim)
self.volume_control = gr.multiply_const_ff(1)
# sound card as final sink
#audio_sink = audio.sink (int (audio_rate),
# options.audio_output,
# False) # ok_to_block
audio_sink = audio.sink (self._audio_rate,
options.audio_output)
if self._usrp_gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.gain_range()
print "Gain range: ", g
self._usrp_gain = float(g[0]+g[1])/2
if self._volume is None:
g = self.volume_range()
self._volume = float(g[0]+g[1])/2
if abs(self._usrp_freq) < 1e6:
self._usrp_freq *= 1e6
# set initial values
self.set_gain(self._usrp_gain)
self.set_volume(self._volume)
if not(self.set_freq(self._usrp_freq)):
print ("Failed to set initial frequency")
# Define a GUI sink to display the received signal
self.qapp = QtGui.QApplication(sys.argv)
fftsize = 2048
self.usrp_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
-self._usrp_rate/2.0, self._usrp_rate/2.0,
"Received Signal", True, True, False, True, False,
use_openGL=False)
self.usrp_rx2 = qtgui.sink_f(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
-self._usrp_rate/2.0, self._usrp_rate/2.0,
"Received Signal", True, True, False, True, False)
# now wire it all together
self.connect (self.u, chan_filt, self.guts, self.volume_control, audio_sink)
self.connect (self.u, self.usrp_rx)
self.connect (self.volume_control, self.usrp_rx2)
usrp_rx_widget = sip.wrapinstance(self.usrp_rx.pyqwidget(), QtGui.QWidget)
usrp_rx2_widget = sip.wrapinstance(self.usrp_rx2.pyqwidget(), QtGui.QWidget)
self.main_box = dialog_box(usrp_rx_widget, usrp_rx2_widget, self)
self.main_box.show()
def __init__(self):
gr.top_block.__init__(self, "FM Demodulation - 91.9 MHz")
Qt.QWidget.__init__(self)
self.setWindowTitle("FM Demodulation - 91.9 MHz")
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.samp_rate = samp_rate = 1152e3
##################################################
# Blocks
##################################################
self.rtlsdr_source_c_0 = osmosdr.source_c( args="nchan=" + str(1) + " " + "" )
self.rtlsdr_source_c_0.set_sample_rate(samp_rate)
self.rtlsdr_source_c_0.set_center_freq(91.9e6, 0)
self.rtlsdr_source_c_0.set_freq_corr(0, 0)
self.rtlsdr_source_c_0.set_dc_offset_mode(0, 0)
self.rtlsdr_source_c_0.set_iq_balance_mode(0, 0)
self.rtlsdr_source_c_0.set_gain_mode(0, 0)
self.rtlsdr_source_c_0.set_gain(10, 0)
self.rtlsdr_source_c_0.set_if_gain(20, 0)
self.rtlsdr_source_c_0.set_bb_gain(20, 0)
self.rtlsdr_source_c_0.set_antenna("", 0)
self.rtlsdr_source_c_0.set_bandwidth(0, 0)
self.qtgui_sink_x_1 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate/24, #bw
"QT GUI Plot - Demodulated Signal", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_1.set_update_time(1.0 / 10)
self._qtgui_sink_x_1_win = sip.wrapinstance(self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_1_win)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
91.9e6, #fc
samp_rate, #bw
"QT GUI Plot - Source", #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_layout.addWidget(self._qtgui_sink_x_0_win)
self.blks2_wfm_rcv_0 = blks2.wfm_rcv(
quad_rate=samp_rate,
audio_decimation=24,
)
self.audio_sink_0 = audio.sink(48000, "", True)
##################################################
# Connections
##################################################
self.connect((self.rtlsdr_source_c_0, 0), (self.blks2_wfm_rcv_0, 0))
self.connect((self.blks2_wfm_rcv_0, 0), (self.audio_sink_0, 0))
self.connect((self.rtlsdr_source_c_0, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.blks2_wfm_rcv_0, 0), (self.qtgui_sink_x_1, 0))
def __init__(self, mod_class, demod_class, rx_callback, options):
gr.top_block.__init__(self)
self._sample_rate = options.sample_rate
if(options.samples_per_symbol is None):
options.samples_per_symbol = 2
channelon = True;
self.gui_on = options.gui
self._frequency_offset = options.frequency_offset
self._timing_offset = options.timing_offset
self._tx_amplitude = options.tx_amplitude
self._snr_dB = options.snr
self._noise_voltage = self.get_noise_voltage(self._snr_dB)
self.txpath = transmit_path(mod_class, options)
self.throttle = gr.throttle(gr.sizeof_gr_complex, self.sample_rate())
self.rxpath = receive_path(demod_class, rx_callback, options)
# FIXME: do better exposure to lower issues for control
self._timing_gain_alpha = self.rxpath.packet_receiver._demodulator._mm_gain_mu
self._alpha = self.rxpath.packet_receiver._demodulator._costas_alpha
if channelon:
self.channel = gr.channel_model(self._noise_voltage,
self.frequency_offset(),
self.timing_offset())
if options.discontinuous:
z = 20000*[0,]
self.zeros = gr.vector_source_c(z, True)
packet_size = 5*((4+8+4+1500+4) * 8)
self.mux = gr.stream_mux(gr.sizeof_gr_complex, [packet_size-0, int(9e5)])
# Connect components
self.connect(self.txpath, self.throttle, (self.mux,0))
self.connect(self.zeros, (self.mux,1))
self.connect(self.mux, self.channel, self.rxpath)
else:
self.connect(self.txpath, self.throttle, self.channel, self.rxpath)
if self.gui_on:
self.qapp = QtGui.QApplication(sys.argv)
fftsize = 2048
self.snk_tx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, self._sample_rate,
"Tx", True, True, False, True, True)
self.snk_rx = qtgui.sink_c(fftsize, gr.firdes.WIN_BLACKMAN_hARRIS,
0, self._sample_rate,
"Rx", True, True, False, True, True)
self.snk_tx.set_frequency_axis(-80, 0)
self.snk_rx.set_frequency_axis(-60, 20)
# Connect to the QT sinks
# FIXME: make better exposure to receiver from rxpath
self.receiver = self.rxpath.packet_receiver._demodulator.receiver
self.receiver.set_alpha(2)
self.receiver.set_beta(0.02)
self.connect(self.channel, self.snk_tx)
self.connect(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()
else:
# Connect components
self.connect(self.txpath, self.throttle, self.rxpath)
def __init__(self, options):
gr.top_block.__init__(self)
self.options = options
self.show_debug_info = True
self.qapp = QtGui.QApplication(sys.argv)
self.u = uhd.usrp_source(device_addr=options.address,
io_type=uhd.io_type.COMPLEX_FLOAT32,
num_channels=1)
self.set_bandwidth(options.samp_rate)
if options.gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.get_gain_range()
options.gain = float(g.start()+g.stop())/2
self.set_gain(options.gain)
if options.freq is None:
# if no freq was specified, use the mid-point
r = self.u.get_freq_range()
options.freq = float(r.start()+r.stop())/2
self.set_frequency(options.freq)
if(options.antenna):
self.u.set_antenna(options.antenna, 0)
self._fftsize = options.fft_size
self.snk = qtgui.sink_c(options.fft_size,
gr.firdes.WIN_BLACKMAN_hARRIS,
self._freq, self._bandwidth,
"UHD Display",
True, True, True, False)
# Set up internal amplifier
self.amp = gr.multiply_const_cc(0.0)
self.set_amplifier_gain(100)
# Create a single-pole IIR filter to remove DC
# but don't connect it yet
self.dc_gain = 0.001
self.dc = gr.single_pole_iir_filter_cc(self.dc_gain)
self.dc_sub = gr.sub_cc()
self.connect(self.u, self.amp, self.snk)
if self.show_debug_info:
print "Bandwidth: ", self.u.get_samp_rate()
print "Center Freq: ", self.u.get_center_freq()
print "Freq Range: ", self.u.get_freq_range()
# Get the reference pointer to the SpectrumDisplayForm QWidget
# Wrap the pointer as a PyQt SIP object
# This can now be manipulated as a PyQt4.QtGui.QWidget
self.pysink = sip.wrapinstance(self.snk.pyqwidget(), QtGui.QWidget)
self.main_win = main_window(self.pysink, self)
self.main_win.set_frequency(self._freq)
self.main_win.set_gain(self._gain)
self.main_win.set_bandwidth(self._bandwidth)
self.main_win.set_amplifier(self._amp_value)
self.main_win.show()
def __init__(self):
gr.top_block.__init__(self, "writeToFile")
Qt.QWidget.__init__(self)
self.setWindowTitle("writeToFile")
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)
self.bufferRE = collections.deque(400*[0], 400) # init buffer of 400 entries, max length 400
self.bufferIM = collections.deque(400*[0], 400) # init buffer of 400 entries, max length 400
##################################################
# Variables
##################################################
self.variable_function_probe_1 = variable_function_probe_1 = 0
self.variable_function_probe_0 = variable_function_probe_0 = 0
self.samp_rate = samp_rate = 320000
self.receiveFrequency = receiveFrequency = 900000000
##################################################
# Blocks
##################################################
self.gr_probe_signal_f_1 = gr.probe_signal_f()
self.gr_probe_signal_f_0 = gr.probe_signal_f()
def _variable_function_probe_1_probe():
while True:
val = self.gr_probe_signal_f_1.level()
try: self.set_variable_function_probe_1(val)
except AttributeError, e: pass
time.sleep(1.0/(100)) # Sample rate 100 Hz
# starts the thread that samples the signal continuously
_variable_function_probe_1_thread = threading.Thread(target=_variable_function_probe_1_probe)
_variable_function_probe_1_thread.daemon = True
_variable_function_probe_1_thread.start()
def _variable_function_probe_0_probe():
while True:
val = self.gr_probe_signal_f_0.level()
try: self.set_variable_function_probe_0(val)
except AttributeError, e: pass
time.sleep(1.0/(100)) # Sample rate 100 Hz
# starts the thread that samples the signal continuously
_variable_function_probe_0_thread = threading.Thread(target=_variable_function_probe_0_probe)
_variable_function_probe_0_thread.daemon = True
_variable_function_probe_0_thread.start()
### TODO: Write values read from the channel continuously into a buffer
### TODO: read out the buffer continuously in another thread for classification
### TODO: output the classification
def _variable_classification():
# myFile = open("classification.tab", "a")
# myFile.write('mean\tmedian\tvar\tTCM\tRMS\tmax\tmin\tdiff\tcountmax10%\tdirectionchange\tzeroCross\tDirChanzeroCross\tavgzerocross\tstddeviation\tlocation-coordinator\n')
# #myFile.write('mean\tmedian\tvar\tTCM\tRMS\tmax\tmin\tdiff\tcountmax10%\tdirectionchange\tEntropy\tSpecenergy\tzeroCross\tDirChanzeroCross\tavgzerocross\tavgFFT\tstddeviation\tlocation-coordinator\n') # Write a feature string to a tab file #18 features
# myFile.write('c\tc\tc\tc\tc\tc\tc\tc\tc\tc\tc\tc\tc\tc\td\n') #18
# myFile.write('\t\t\t\t\t\t\t\t\t\t\t\t\t\tclass\n')
# myFile.close()
while True:
# TODO: do classification here
classification = self.get_classification()
# TODO: Write out classification
time.sleep(1.0/(2)) # One classification every 0.5 seconds
# starts the thread that samples the signal continuously
_variable_classification_thread = threading.Thread(target=_variable_classification)
_variable_classification_thread.daemon = True
_variable_classification_thread.start()
def _variable_featureVisualisation(*args):
while True:
for data in args:
plot(data)
show()
time.sleep(1.0/(2))
_variable_featureVisualisation_thread = threading.Thread(target=_variable_featureVisualisation)
_variable_featureVisualisation_thread.daemon = True
_variable_featureVisualisation_thread.start()
#p = Process(target=plot_graph, args=([1, 2, 3],))
#p.start()
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(receiveFrequency, 0)
self.uhd_usrp_source_0.set_gain(20, 0)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"QT GUI Plot", #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_layout.addWidget(self._qtgui_sink_x_0_win)
self.gr_complex_to_float_0 = gr.complex_to_float(1)
##################################################
# Connections
##################################################
self.connect((self.uhd_usrp_source_0, 0), (self.gr_complex_to_float_0, 0))
self.connect((self.gr_complex_to_float_0, 0), (self.gr_probe_signal_f_0, 0))
self.connect((self.gr_complex_to_float_0, 1), (self.gr_probe_signal_f_1, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_sink_x_0, 0))