def __init__(self, rx_callback, options):
gr.hier_block2.__init__(self, "receive_path",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(0, 0, 0))
options = copy.copy(options) # make a copy so we can destructively modify
self._verbose = options.verbose
self._log = options.log
self._rx_callback = rx_callback # this callback is fired when there's a packet available
# receiver
self.ofdm_rx = digital.ofdm_demod(options,
callback=self._rx_callback)
# Carrier Sensing Blocks
alpha = 0.001
thresh = 30 # in dB, will have to adjust
self.probe = analog.probe_avg_mag_sqrd_c(thresh,alpha)
self.connect(self, self.ofdm_rx)
self.connect(self.ofdm_rx, self.probe)
# Display some information about the setup
if self._verbose:
self._print_verbage()
class receive_path(gr.hier_block2):
def __init__(self, rx_callback, options):
gr.hier_block2.__init__(self, "receive_path",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_float * 1))
options = copy.copy(
options) # make a copy so we can destructively modify
self._verbose = options.verbose
self._log = options.log
self._rx_callback = rx_callback # this callback is fired when there's a packet available
self.variable_function_probe_0 = variable_function_probe_0 = 0
#self.samp_rate = samp_rate = 640000
self.blocks_probe_signal_x_0 = blocks.probe_signal_f()
def _variable_function_probe_0_probe():
while True:
val = self.blocks_probe_signal_x_0.level()
try:
self.set_variable_function_probe_0(val)
except AttributeError, e:
pass
time.sleep(1.0 / (1000000))
_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()
self.featuredetect_0 = featuredetect(collectingtime=1, )
# receiver
self.ofdm_rx = digital.ofdm_demod(options, callback=self._rx_callback)
# Carrier Sensing Blocks
alpha = 1 # the time interval of collecting data
thresh = 30 # in dB, will have to adjust
self.probe = analog.probe_avg_mag_sqrd_c(thresh, alpha)
self.csprobe = analog.probe_avg_mag_sqrd_c(25, alpha)
self.connect((self, 0), self.ofdm_rx)
self.connect(self.ofdm_rx, self.probe)
self.connect((self, 0), (self.featuredetect_0, 0))
self.connect((self.featuredetect_0, 0),
(self.blocks_probe_signal_x_0, 0))
self.connect((self.featuredetect_0, 0), (self, 0))
# Display some information about the setup
if self._verbose:
self._print_verbage()
def _build(self, callback, input_signature, output_signature):
"""
Implementation of UHDRxPktArch abstract method.
@param callback Function called when a packet is received.
@param input_signature A gr.io_signature instance.
@param output_signature A gr.io_signature instance.
"""
return digital.ofdm_demod(options=grc_blks2.options(modulation="qam64",
fft_length=512,
occupied_tones=200,
cp_length=128,
snr=30,
log=None,
verbose=None,
),
callback=callback)
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 10e6
##################################################
# Blocks
##################################################
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate)
self.gr_file_source_0 = gr.file_source(
gr.sizeof_gr_complex * 1,
"/home/traviscollins/git/BLISS/GNURadio/OFDM/received_p.txt", True)
self.gr_file_sink_0 = gr.file_sink(
gr.sizeof_char * 1,
"/home/traviscollins/git/BLISS/GNURadio/OFDM/output.txt")
self.gr_file_sink_0.set_unbuffered(False)
self.digital_ofdm_demod_0 = grc_blks2.packet_demod_b(
digital.ofdm_demod(
options=grc_blks2.options(
modulation="bpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
snr=10,
log=None,
verbose=None,
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.
recv_pkt(ok, payload),
), )
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_demod_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.gr_file_source_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_throttle_0, 0), (self.digital_ofdm_demod_0, 0))
def __init__(self, rx_callback, options):
gr.hier_block2.__init__(self, "receive_path",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(0, 0, 0))
options = copy.copy(options) # make a copy so we can destructively modify
self._verbose = options.verbose
self._log = options.log
self._rx_callback = rx_callback # this callback is fired when there's a packet available
# receiver
self.ofdm_rx = digital.ofdm_demod(options,
callback=self._rx_callback)
self.connect(self, self.ofdm_rx)
self.connect(self.ofdm_rx, self.probe)
# Display some information about the setup
if self._verbose:
self._print_verbage()
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Top Block") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 10e6 ################################################## # Blocks ################################################## self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate) self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, "/home/traviscollins/git/BLISS/GNURadio/OFDM/received_p.txt", True) self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char*1, "/home/traviscollins/git/BLISS/GNURadio/OFDM/output.txt") self.gr_file_sink_0.set_unbuffered(False) self.digital_ofdm_demod_0 = grc_blks2.packet_demod_b(digital.ofdm_demod( options=grc_blks2.options( modulation="bpsk", fft_length=512, occupied_tones=200, cp_length=128, snr=10, log=None, verbose=None, ), callback=lambda ok, payload: self.digital_ofdm_demod_0.recv_pkt(ok, payload), ), ) ################################################## # Connections ################################################## self.connect((self.digital_ofdm_demod_0, 0), (self.gr_file_sink_0, 0)) self.connect((self.gr_file_source_0, 0), (self.gr_throttle_0, 0)) self.connect((self.gr_throttle_0, 0), (self.digital_ofdm_demod_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Ofdmqam")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
self.ampNoise = ampNoise = 0
##################################################
# Blocks
##################################################
_ampNoise_sizer = wx.BoxSizer(wx.VERTICAL)
self._ampNoise_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_ampNoise_sizer,
value=self.ampNoise,
callback=self.set_ampNoise,
label='ampNoise',
converter=forms.float_converter(),
proportion=0,
)
self._ampNoise_slider = forms.slider(
parent=self.GetWin(),
sizer=_ampNoise_sizer,
value=self.ampNoise,
callback=self.set_ampNoise,
minimum=0,
maximum=100,
num_steps=1,
style=wx.SL_VERTICAL,
cast=float,
proportion=1,
)
self.Add(_ampNoise_sizer)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Transmissao",
peak_hold=False,
)
self.GridAdd(self.wxgui_fftsink2_0.win, 1, 1, 1, 1)
self.digital_ofdm_mod_0 = grc_blks2.packet_mod_f(
digital.ofdm_mod(options=grc_blks2.options(
modulation="bpsk",
fft_length=64,
occupied_tones=52,
cp_length=16,
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="bpsk",
fft_length=64,
occupied_tones=52,
cp_length=16,
snr=10,
log=None,
verbose=None,
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.
recv_pkt(ok, payload),
), )
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_float * 1,
"/home/luan/Documentos/GNU/ofdmQamLuan_TxRx_File/lena_Tx.jpeg",
True)
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_float * 1,
"/home/luan/Documentos/GNU/ofdmQamLuan_TxRx_File/lena_Rx.jpeg",
False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN, ampNoise, 0)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_mod_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.blocks_file_source_0, 0),
(self.digital_ofdm_mod_0, 0))
self.connect((self.digital_ofdm_demod_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.digital_ofdm_demod_0, 0))
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):
grc_wxgui.top_block_gui.__init__(self, title="Video Receiver")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1000000
self.variable_slider_0 = variable_slider_0 = 50
self.freq_slider = freq_slider = 4900e6
self.freq = freq = 2450e6
self.FILT_0 = FILT_0 = firdes.low_pass(1, samp_rate, 10000, 1000, firdes.WIN_HAMMING, 6.76)
self.FILT = FILT = firdes.low_pass(1, samp_rate, 10000, 1000, firdes.WIN_HAMMING, 6.76)
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=90e6,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
_variable_slider_0_sizer = wx.BoxSizer(wx.VERTICAL)
self._variable_slider_0_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_variable_slider_0_sizer,
value=self.variable_slider_0,
callback=self.set_variable_slider_0,
label='variable_slider_0',
converter=forms.float_converter(),
proportion=0,
)
self._variable_slider_0_slider = forms.slider(
parent=self.GetWin(),
sizer=_variable_slider_0_sizer,
value=self.variable_slider_0,
callback=self.set_variable_slider_0,
minimum=0,
maximum=100,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_variable_slider_0_sizer)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
otw_format="sc16",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(90e6, 0)
self.uhd_usrp_source_0.set_gain(15, 0)
self.uhd_usrp_source_0.set_antenna("J2", 0)
_freq_slider_sizer = wx.BoxSizer(wx.VERTICAL)
self._freq_slider_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freq_slider_sizer,
value=self.freq_slider,
callback=self.set_freq_slider,
label='freq_slider',
converter=forms.float_converter(),
proportion=0,
)
self._freq_slider_slider = forms.slider(
parent=self.GetWin(),
sizer=_freq_slider_sizer,
value=self.freq_slider,
callback=self.set_freq_slider,
minimum=2450e6,
maximum=5000e6,
num_steps=10,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_freq_slider_sizer)
self.digital_ofdm_demod_0 = grc_blks2.packet_demod_b(digital.ofdm_demod(
options=grc_blks2.options(
modulation="qpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
snr=10,
log=None,
verbose=None,
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.recv_pkt(ok, payload),
),
)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/csc773/vid1.ts", False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_demod_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.digital_ofdm_demod_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.wxgui_fftsink2_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 10000000
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.random_source_x_0 = gr.vector_source_b(
map(int, numpy.random.randint(0, 2, 1000)), True)
self.gr_vector_to_stream_0 = gr.vector_to_stream(
gr.sizeof_gr_complex * 1, 512)
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate)
self.gr_sub_xx_0 = gr.sub_cc(512)
self.gr_stream_to_vector_0 = gr.stream_to_vector(
gr.sizeof_gr_complex * 1, 512)
self.gr_file_source_1 = gr.file_source(
gr.sizeof_gr_complex * 512,
"/home/traviscollins/git/BLISS/Matlab/Spectral_Subtraction/hilbert.txt",
True)
self.gr_file_source_0 = gr.file_source(
gr.sizeof_float * 1,
"/home/traviscollins/git/BLISS/Matlab/Spectral_Subtraction/INPUT.txt",
True)
self.gr_file_sink_0 = gr.file_sink(
gr.sizeof_float * 1,
"/home/traviscollins/git/BLISS/Matlab/Spectral_Subtraction/OUTPUT.txt"
)
self.gr_file_sink_0.set_unbuffered(False)
self.gr_add_xx_0 = gr.add_vcc(1)
self.fft_vxx_1 = fft.fft_vcc(512, False, (window.blackmanharris(1024)),
True, 1)
self.fft_vxx_0 = fft.fft_vcc(512, True, (window.blackmanharris(1024)),
True, 1)
self.digital_ofdm_mod_0 = grc_blks2.packet_mod_f(
digital.ofdm_mod(options=grc_blks2.options(
modulation="bpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
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="bpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
snr=10,
log=None,
verbose=None,
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.
recv_pkt(ok, payload),
), )
self.digital_dxpsk_mod_0 = digital.dbpsk_mod(samples_per_symbol=2,
excess_bw=0.35,
gray_coded=True,
verbose=False,
log=False)
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_0, 0), (self.digital_ofdm_mod_0, 0))
self.connect((self.digital_ofdm_demod_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.gr_stream_to_vector_0, 0), (self.fft_vxx_0, 0))
self.connect((self.random_source_x_0, 0),
(self.digital_dxpsk_mod_0, 0))
self.connect((self.digital_ofdm_mod_0, 0), (self.gr_add_xx_0, 0))
self.connect((self.digital_dxpsk_mod_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.gr_add_xx_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_stream_to_vector_0, 0))
self.connect((self.fft_vxx_0, 0), (self.gr_sub_xx_0, 0))
self.connect((self.gr_file_source_1, 0), (self.gr_sub_xx_0, 1))
self.connect((self.gr_vector_to_stream_0, 0),
(self.digital_ofdm_demod_0, 0))
self.connect((self.gr_vector_to_stream_0, 0),
(self.wxgui_fftsink2_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.gr_sub_xx_0, 0), (self.fft_vxx_1, 0))
self.connect((self.fft_vxx_1, 0), (self.gr_vector_to_stream_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 10000000
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.random_source_x_0 = gr.vector_source_b(map(int, numpy.random.randint(0, 2, 1000)), True)
self.gr_vector_to_stream_0 = gr.vector_to_stream(gr.sizeof_gr_complex * 1, 512)
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate)
self.gr_sub_xx_0 = gr.sub_cc(512)
self.gr_stream_to_vector_0 = gr.stream_to_vector(gr.sizeof_gr_complex * 1, 512)
self.gr_file_source_1 = gr.file_source(
gr.sizeof_gr_complex * 512, "/home/traviscollins/git/BLISS/Matlab/Spectral_Subtraction/hilbert.txt", True
)
self.gr_file_source_0 = gr.file_source(
gr.sizeof_float * 1, "/home/traviscollins/git/BLISS/Matlab/Spectral_Subtraction/INPUT.txt", True
)
self.gr_file_sink_0 = gr.file_sink(
gr.sizeof_float * 1, "/home/traviscollins/git/BLISS/Matlab/Spectral_Subtraction/OUTPUT.txt"
)
self.gr_file_sink_0.set_unbuffered(False)
self.gr_add_xx_0 = gr.add_vcc(1)
self.fft_vxx_1 = fft.fft_vcc(512, False, (window.blackmanharris(1024)), True, 1)
self.fft_vxx_0 = fft.fft_vcc(512, True, (window.blackmanharris(1024)), True, 1)
self.digital_ofdm_mod_0 = grc_blks2.packet_mod_f(
digital.ofdm_mod(
options=grc_blks2.options(
modulation="bpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
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="bpsk", fft_length=512, occupied_tones=200, cp_length=128, snr=10, log=None, verbose=None
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.recv_pkt(ok, payload),
)
)
self.digital_dxpsk_mod_0 = digital.dbpsk_mod(
samples_per_symbol=2, excess_bw=0.35, gray_coded=True, verbose=False, log=False
)
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_0, 0), (self.digital_ofdm_mod_0, 0))
self.connect((self.digital_ofdm_demod_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.gr_stream_to_vector_0, 0), (self.fft_vxx_0, 0))
self.connect((self.random_source_x_0, 0), (self.digital_dxpsk_mod_0, 0))
self.connect((self.digital_ofdm_mod_0, 0), (self.gr_add_xx_0, 0))
self.connect((self.digital_dxpsk_mod_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.gr_add_xx_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_throttle_0, 0), (self.gr_stream_to_vector_0, 0))
self.connect((self.fft_vxx_0, 0), (self.gr_sub_xx_0, 0))
self.connect((self.gr_file_source_1, 0), (self.gr_sub_xx_0, 1))
self.connect((self.gr_vector_to_stream_0, 0), (self.digital_ofdm_demod_0, 0))
self.connect((self.gr_vector_to_stream_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.wxgui_fftsink2_0_0, 0))
self.connect((self.gr_sub_xx_0, 0), (self.fft_vxx_1, 0))
self.connect((self.fft_vxx_1, 0), (self.gr_vector_to_stream_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self,
title="Video Transmitter Loopback")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.signal = signal = 5000
self.samp_rate = samp_rate = 384000
self.rfgain = rfgain = 0
self.freq = freq = 12e6
##################################################
# Blocks
##################################################
_signal_sizer = wx.BoxSizer(wx.VERTICAL)
self._signal_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_signal_sizer,
value=self.signal,
callback=self.set_signal,
label='signal',
converter=forms.float_converter(),
proportion=0,
)
self._signal_slider = forms.slider(
parent=self.GetWin(),
sizer=_signal_sizer,
value=self.signal,
callback=self.set_signal,
minimum=0,
maximum=32e6,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_signal_sizer)
_rfgain_sizer = wx.BoxSizer(wx.VERTICAL)
self._rfgain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rfgain_sizer,
value=self.rfgain,
callback=self.set_rfgain,
label='rfgain',
converter=forms.float_converter(),
proportion=0,
)
self._rfgain_slider = forms.slider(
parent=self.GetWin(),
sizer=_rfgain_sizer,
value=self.rfgain,
callback=self.set_rfgain,
minimum=0,
maximum=50,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_rfgain_sizer)
self.digital_ofdm_mod_0 = grc_blks2.packet_mod_b(
digital.ofdm_mod(options=grc_blks2.options(
modulation="qpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
pad_for_usrp=True,
log=None,
verbose=None,
), ),
payload_length=0,
)
self.digital_ofdm_demod_0 = grc_blks2.packet_demod_b(
digital.ofdm_demod(
options=grc_blks2.options(
modulation="qpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
snr=10,
log=None,
verbose=None,
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.
recv_pkt(ok, payload),
), )
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_char * 1,
samp_rate, True)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1, "/home/ece775/video1.ts", True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1,
"/home/ece775/sink.ts",
False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_demod_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_throttle_0_0, 0))
self.connect((self.digital_ofdm_mod_0, 0),
(self.digital_ofdm_demod_0, 0))
self.connect((self.blocks_throttle_0_0, 0),
(self.digital_ofdm_mod_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Ofdm_Usrp_Rx")
Qt.QWidget.__init__(self)
self.setWindowTitle("Ofdm_Usrp_Rx")
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "ofdmUsrpRx")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.usrp_freq = usrp_freq = 474e6
self.samp_rate = samp_rate = 1000000
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
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(usrp_freq, 0)
self.uhd_usrp_source_0.set_gain(10, 0)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label("Relative Gain", "dB")
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ["", "", "", "", "", "", "", "", "", ""]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.digital_ofdm_demod_0 = grc_blks2.packet_demod_f(
digital.ofdm_demod(
options=grc_blks2.options(
modulation="bpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
snr=10,
log=None,
verbose=None,
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.
recv_pkt(ok, payload),
), )
self.blocks_file_sink_0 = blocks.file_sink(
gr.sizeof_float * 1,
"/home/alunos/Documentos/ofdm_Usrp_Luan/file_Rx.txt", False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_demod_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.digital_ofdm_demod_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.qtgui_freq_sink_x_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Top Block") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 150000 ################################################## # Blocks ################################################## self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( self.GetWin(), baseband_freq=60000, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=samp_rate, fft_size=1024, fft_rate=15, average=False, avg_alpha=None, title="FFT Plot", peak_hold=False, ) self.Add(self.wxgui_fftsink2_0.win) self.uhd_usrp_source_0 = uhd.usrp_source( device_addr="serial=4925e275", 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(60000, 0) self.uhd_usrp_source_0.set_gain(0, 0) self.uhd_usrp_source_0.set_bandwidth(10000, 0) self.digital_ofdm_demod_0 = grc_blks2.packet_demod_c(digital.ofdm_demod( options=grc_blks2.options( modulation="qpsk", fft_length=1024, occupied_tones=200, cp_length=128, snr=10, log=None, verbose=None, ), callback=lambda ok, payload: self.digital_ofdm_demod_0.recv_pkt(ok, payload), ), ) self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, "/home/capstone/output") self.blocks_file_sink_0.set_unbuffered(True) ################################################## # Connections ################################################## self.connect((self.uhd_usrp_source_0, 0), (self.digital_ofdm_demod_0, 0)) self.connect((self.digital_ofdm_demod_0, 0), (self.blocks_file_sink_0, 0)) self.connect((self.uhd_usrp_source_0, 0), (self.wxgui_fftsink2_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Video Receiver")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1000000
self.variable_slider_0 = variable_slider_0 = 50
self.freq_slider = freq_slider = 4900e6
self.freq = freq = 2450e6
self.FILT_0 = FILT_0 = firdes.low_pass(1, samp_rate, 10000, 1000,
firdes.WIN_HAMMING, 6.76)
self.FILT = FILT = firdes.low_pass(1, samp_rate, 10000, 1000,
firdes.WIN_HAMMING, 6.76)
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=90e6,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
_variable_slider_0_sizer = wx.BoxSizer(wx.VERTICAL)
self._variable_slider_0_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_variable_slider_0_sizer,
value=self.variable_slider_0,
callback=self.set_variable_slider_0,
label='variable_slider_0',
converter=forms.float_converter(),
proportion=0,
)
self._variable_slider_0_slider = forms.slider(
parent=self.GetWin(),
sizer=_variable_slider_0_sizer,
value=self.variable_slider_0,
callback=self.set_variable_slider_0,
minimum=0,
maximum=100,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_variable_slider_0_sizer)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
otw_format="sc16",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(90e6, 0)
self.uhd_usrp_source_0.set_gain(15, 0)
self.uhd_usrp_source_0.set_antenna("J2", 0)
_freq_slider_sizer = wx.BoxSizer(wx.VERTICAL)
self._freq_slider_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freq_slider_sizer,
value=self.freq_slider,
callback=self.set_freq_slider,
label='freq_slider',
converter=forms.float_converter(),
proportion=0,
)
self._freq_slider_slider = forms.slider(
parent=self.GetWin(),
sizer=_freq_slider_sizer,
value=self.freq_slider,
callback=self.set_freq_slider,
minimum=2450e6,
maximum=5000e6,
num_steps=10,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_freq_slider_sizer)
self.digital_ofdm_demod_0 = grc_blks2.packet_demod_b(
digital.ofdm_demod(
options=grc_blks2.options(
modulation="qpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
snr=10,
log=None,
verbose=None,
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.
recv_pkt(ok, payload),
), )
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1,
"/home/csc773/vid1.ts",
False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_demod_0, 0),
(self.blocks_file_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.digital_ofdm_demod_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.wxgui_fftsink2_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Video Transmitter Loopback")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.signal = signal = 5000
self.samp_rate = samp_rate = 384000
self.rfgain = rfgain = 0
self.freq = freq = 12e6
##################################################
# Blocks
##################################################
_signal_sizer = wx.BoxSizer(wx.VERTICAL)
self._signal_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_signal_sizer,
value=self.signal,
callback=self.set_signal,
label='signal',
converter=forms.float_converter(),
proportion=0,
)
self._signal_slider = forms.slider(
parent=self.GetWin(),
sizer=_signal_sizer,
value=self.signal,
callback=self.set_signal,
minimum=0,
maximum=32e6,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_signal_sizer)
_rfgain_sizer = wx.BoxSizer(wx.VERTICAL)
self._rfgain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rfgain_sizer,
value=self.rfgain,
callback=self.set_rfgain,
label='rfgain',
converter=forms.float_converter(),
proportion=0,
)
self._rfgain_slider = forms.slider(
parent=self.GetWin(),
sizer=_rfgain_sizer,
value=self.rfgain,
callback=self.set_rfgain,
minimum=0,
maximum=50,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_rfgain_sizer)
self.digital_ofdm_mod_0 = grc_blks2.packet_mod_b(digital.ofdm_mod(
options=grc_blks2.options(
modulation="qpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
pad_for_usrp=True,
log=None,
verbose=None,
),
),
payload_length=0,
)
self.digital_ofdm_demod_0 = grc_blks2.packet_demod_b(digital.ofdm_demod(
options=grc_blks2.options(
modulation="qpsk",
fft_length=512,
occupied_tones=200,
cp_length=128,
snr=10,
log=None,
verbose=None,
),
callback=lambda ok, payload: self.digital_ofdm_demod_0.recv_pkt(ok, payload),
),
)
self.blocks_throttle_0_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/ece775/video1.ts", True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/ece775/sink.ts", False)
self.blocks_file_sink_0.set_unbuffered(False)
##################################################
# Connections
##################################################
self.connect((self.digital_ofdm_demod_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0_0, 0))
self.connect((self.digital_ofdm_mod_0, 0), (self.digital_ofdm_demod_0, 0))
self.connect((self.blocks_throttle_0_0, 0), (self.digital_ofdm_mod_0, 0))
