def __init__(self, options):
'''
See below for what options should hold
'''
gr.hier_block2.__init__(
self,
"transmit_path",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
options = copy.copy(
options) # make a copy so we can destructively modify
self._verbose = options.verbose # turn verbose mode on/off
self._tx_amplitude = options.tx_amplitude # digital amplitude sent to USRP
self.ofdm_tx = \
blks2.ofdm_mod(options, msgq_limit=4, pad_for_usrp=False)
self.amp = gr.multiply_const_cc(1)
self.set_tx_amplitude(self._tx_amplitude)
# Display some information about the setup
if self._verbose:
self._print_verbage()
# Create and setup transmit path flow graph
self.connect(self.ofdm_tx, self.amp, self)
def __init__(self, options):
'''
See below for what options should hold
'''
gr.hier_block2.__init__(
self,
"transmit_path",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(1, 1, gr.sizeof_gr_complex)) # Output signature
options = copy.copy(
options) # make a copy so we can destructively modify
self._verbose = options.verbose # turn verbose mode on/off
self._tx_amplitude = options.tx_amplitude # digital amplitude sent to USRP
self.ofdm_tx = \
blks2.ofdm_mod(options, msgq_limit=4, pad_for_usrp=False)
self.amp = gr.multiply_const_cc(1)
self.set_tx_amplitude(self._tx_amplitude)
# Display some information about the setup
if self._verbose:
self._print_verbage()
# Create and setup transmit path flow graph
self.connect(self.ofdm_tx, self.amp, self)
def __init__(self, options, rx_callback): phy_base.__init__(self, options, rx_callback) # Transmit chain self._tx_mod = blks2.ofdm_mod(options, msgq_limit=4, pad_for_usrp=False) self.connect(self._tx_mod, gr.kludge_copy(gr.sizeof_gr_complex), self) # Receive chain self._rx_demod = blks2.ofdm_demod(options, callback=self._rx_callback) self.connect(self, gr.kludge_copy(gr.sizeof_gr_complex), self._rx_demod)
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 = 1000 ################################################## # Blocks ################################################## self.blks2_ofdm_mod_0 = grc_blks2.packet_mod_b(blks2.ofdm_mod( options=grc_blks2.options( modulation="bpsk", fft_length=1024, occupied_tones=256, cp_length=512, pad_for_usrp=True, log=None, verbose=None, ), ), payload_length=0, ) self.gr_float_to_char_0 = gr.float_to_char() self.gr_sig_source_x_0 = gr.sig_source_f(samp_rate, gr.GR_SIN_WAVE, 100, 127, 0) self.gr_throttle_0 = gr.throttle(gr.sizeof_char*1, samp_rate) self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( self.GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=50, ref_scale=2.0, sample_rate=samp_rate*1000, fft_size=1024, fft_rate=30, average=False, avg_alpha=None, title="FFT Plot", peak_hold=False, ) self.Add(self.wxgui_fftsink2_0.win) ################################################## # Connections ################################################## self.connect((self.gr_throttle_0, 0), (self.blks2_ofdm_mod_0, 0)) self.connect((self.gr_sig_source_x_0, 0), (self.gr_float_to_char_0, 0)) self.connect((self.gr_float_to_char_0, 0), (self.gr_throttle_0, 0)) self.connect((self.blks2_ofdm_mod_0, 0), (self.wxgui_fftsink2_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Simulated Sender GUI")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
self.noise_voltage = noise_voltage = 0.01
self.mult_const = mult_const = 1
##################################################
# Controls
##################################################
_noise_voltage_sizer = wx.BoxSizer(wx.VERTICAL)
self._noise_voltage_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_noise_voltage_sizer,
value=self.noise_voltage,
callback=self.set_noise_voltage,
label="Noise Voltage",
converter=forms.float_converter(),
proportion=0,
)
self._noise_voltage_slider = forms.slider(
parent=self.GetWin(),
sizer=_noise_voltage_sizer,
value=self.noise_voltage,
callback=self.set_noise_voltage,
minimum=0,
maximum=1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_noise_voltage_sizer)
self._mult_const_text_box = forms.text_box(
parent=self.GetWin(),
value=self.mult_const,
callback=self.set_mult_const,
label="Multiplication Const",
converter=forms.float_converter(),
)
self.Add(self._mult_const_text_box)
##################################################
# Blocks
##################################################
self.blks2_ofdm_mod_0 = grc_blks2.packet_mod_b(
blks2.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=512,
)
self.gr_channel_model_0 = gr.channel_model(
noise_voltage=noise_voltage,
frequency_offset=0.0,
epsilon=1.0,
taps=(1.0 + 1.0j, ),
noise_seed=42,
)
self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc((mult_const, ))
self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex * 1, samp_rate)
self.random_source_x_0 = gr.vector_source_b(
map(int, numpy.random.randint(0, 256, 512)), True)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=50,
sample_rate=samp_rate,
fft_size=256,
fft_rate=30,
average=True,
avg_alpha=0.1,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
##################################################
# Connections
##################################################
self.connect((self.gr_throttle_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.gr_channel_model_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0),
(self.gr_channel_model_0, 0))
self.connect((self.random_source_x_0, 0), (self.blks2_ofdm_mod_0, 0))
self.connect((self.blks2_ofdm_mod_0, 0),
(self.gr_multiply_const_vxx_0, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Simulated Sender GUI") ################################################## # Variables ################################################## self.samp_rate = samp_rate = 32000 self.noise_voltage = noise_voltage = 0.01 self.mult_const = mult_const = 1 ################################################## # Controls ################################################## _noise_voltage_sizer = wx.BoxSizer(wx.VERTICAL) self._noise_voltage_text_box = forms.text_box( parent=self.GetWin(), sizer=_noise_voltage_sizer, value=self.noise_voltage, callback=self.set_noise_voltage, label="Noise Voltage", converter=forms.float_converter(), proportion=0, ) self._noise_voltage_slider = forms.slider( parent=self.GetWin(), sizer=_noise_voltage_sizer, value=self.noise_voltage, callback=self.set_noise_voltage, minimum=0, maximum=1, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_noise_voltage_sizer) self._mult_const_text_box = forms.text_box( parent=self.GetWin(), value=self.mult_const, callback=self.set_mult_const, label="Multiplication Const", converter=forms.float_converter(), ) self.Add(self._mult_const_text_box) ################################################## # Blocks ################################################## self.blks2_ofdm_mod_0 = grc_blks2.packet_mod_b(blks2.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=512, ) self.gr_channel_model_0 = gr.channel_model( noise_voltage=noise_voltage, frequency_offset=0.0, epsilon=1.0, taps=(1.0 + 1.0j, ), noise_seed=42, ) self.gr_multiply_const_vxx_0 = gr.multiply_const_vcc((mult_const, )) self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate) self.random_source_x_0 = gr.vector_source_b(map(int, numpy.random.randint(0, 256, 512)), True) self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( self.GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=50, sample_rate=samp_rate, fft_size=256, fft_rate=30, average=True, avg_alpha=0.1, title="FFT Plot", peak_hold=False, ) self.Add(self.wxgui_fftsink2_0.win) ################################################## # Connections ################################################## self.connect((self.gr_throttle_0, 0), (self.wxgui_fftsink2_0, 0)) self.connect((self.gr_channel_model_0, 0), (self.gr_throttle_0, 0)) self.connect((self.gr_multiply_const_vxx_0, 0), (self.gr_channel_model_0, 0)) self.connect((self.random_source_x_0, 0), (self.blks2_ofdm_mod_0, 0)) self.connect((self.blks2_ofdm_mod_0, 0), (self.gr_multiply_const_vxx_0, 0))
