def __init__(self, mod_class, demod_class, rx_callback, options):
gr.top_block.__init__(self)
# Get the modulation's bits_per_symbol
args = mod_class.extract_kwargs_from_options(options)
symbol_rate = options.bitrate / mod_class(**args).bits_per_symbol()
self.source = uhd_receiver(options.args, symbol_rate,
options.samples_per_symbol, options.rx_freq,
options.rx_gain, options.spec,
options.antenna, options.verbose)
self.sink = uhd_transmitter(options.args, symbol_rate,
options.samples_per_symbol,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
options.samples_per_symbol = self.source._sps
self.txpath = transmit_path(mod_class, options)
self.rxpath = receive_path(demod_class, rx_callback, options)
self.connect(self.txpath, self.sink)
self.connect(self.source, self.rxpath)
def __init__(self, modulator, options):
gr.top_block.__init__(self)
if(options.tx_freq is not None):
# Work-around to get the modulation's bits_per_symbol
args = modulator.extract_kwargs_from_options(options)
symbol_rate = options.bitrate / modulator(**args).bits_per_symbol()
self.sink = uhd_transmitter(options.args, symbol_rate,
options.samples_per_symbol,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
options.samples_per_symbol = self.sink._sps
elif(options.to_file is not None):
sys.stderr.write(("Saving samples to '%s'.\n\n" % (options.to_file)))
self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
sys.stderr.write("No sink defined, dumping samples to null sink.\n\n")
self.sink = gr.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = transmit_path(modulator, options)
self.connect(self.txpath, self.sink)
def __init__(self, options):
gr.top_block.__init__(self)
self._tx_freq = options.tx_freq # tranmitter's center frequency
self._rate = options.rate #*options.num_channels # USRP sample rate
self.gain = options.gain # USRP gain
if self._tx_freq is None:
sys.stderr.write(
"-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n")
raise SystemExit
# Set up USRP sink; also adjusts interp, and bitrate
self._setup_usrp_sink()
# copy the final answers back into options for use by modulator
#options.bitrate = self._bitrate
self.txpath = transmit_path(options)
self.connect(self.txpath, self.u)
#self.connect(self.txpath, gr.file_sink(gr.sizeof_gr_complex, "txpath.dat"))
if options.verbose:
self._print_verbage()
def __init__(self, callback, options):
gr.top_block.__init__(self)
if (options.rx_freq is not None):
self.source = uhd_receiver(options.args, options.bandwidth,
options.rx_freq, options.rx_gain,
options.spec, options.antenna,
options.verbose)
elif (options.from_file is not None):
self.source = gr.file_source(gr.sizeof_gr_complex,
options.from_file)
else:
self.source = gr.null_source(gr.sizeof_gr_complex)
# Set up receive path
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
if (options.tx_freq is not None):
self.sink = uhd_transmitter(options.args, options.bandwidth,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
elif (options.to_file is not None):
self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
self.sink = gr.null_sink(gr.sizeof_gr_complex)
self.source.set_sample_rate(1500000) #rx sample rate
self.sink.set_sample_rate(640000)
self.rxpath = receive_path(callback, options)
self.txpath = transmit_path(options)
self.connect(self.source, self.rxpath)
self.connect(self.txpath, self.sink)
self.source.set_antenna("RX2")
global freq
freq = options.tx_freq # - 12e6
def __init__(self, options):
gr.top_block.__init__(self)
self._tx_freq = options.tx_freq # tranmitter's center frequency
self._tx_subdev_spec = options.tx_subdev_spec # daughterboard to use
self._interp = options.interp # interpolating rate for the USRP (prelim)
self._fusb_block_size = options.fusb_block_size # usb info for USRP
self._fusb_nblocks = options.fusb_nblocks # usb info for USRP
self._which = options.which # linklab, which USRP to use
if self._tx_freq is None:
sys.stderr.write("-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n")
raise SystemExit
# Set up USRP sink; also adjusts interp, and bitrate
self.u_sink = uhd.usrp_sink(device_addr=options.args,
stream_args=uhd.stream_args(cpu_format="fc32",
channels=range(1),))
print "Setting Tx Params. Fs=%e, Fc=%e, G=%f"%(self._bandwidth, self._tx_freq, self._tx_gain)
self.u_sink.set_samp_rate(self._bandwidth)
self.u_sink.set_center_freq(self._tx_freq)
self.u_sink.set_gain(self._tx_gain)
# copy the final answers back into options for use by modulator
#options.bitrate = self._bitrate
self.txpath = transmit_path(options)
self.connect(self.txpath, self.u_sink)
def __init__(self, modulator_class, options):
gr.top_block.__init__(self)
self.txpath = transmit_path(modulator_class, options)
self.audio_rx = audio_rx(options.audio_input)
if(options.tx_freq is not None):
self.sink = uhd_transmitter(options.address, options.bitrate,
options.samples_per_symbol,
options.tx_freq, options.tx_gain,
options.antenna, options.verbose)
options.samples_per_symbol = self.sink._sps
audio_rate = self.audio_rx.sample_rate
usrp_rate = self.sink.get_sample_rate()
rrate = usrp_rate / audio_rate
elif(options.to_file is not None):
self.sink = blocks.file_sink(gr.sizeof_gr_complex, options.to_file)
rrate = 1
else:
self.sink = blocks.null_sink(gr.sizeof_gr_complex)
rrate = 1
self.resampler = filter.pfb.arb_resampler_ccf(rrate)
self.connect(self.audio_rx)
self.connect(self.txpath, self.resampler, self.sink)
def __init__(self, callback, options):
gr.top_block.__init__(self)
self.source = uhd_receiver(
options.args,
options.bandwidth,
options.rx_freq,
options.rx_gain,
options.spec,
options.antenna,
options.verbose,
)
self.sink = uhd_transmitter(
options.args,
options.bandwidth,
options.tx_freq,
options.tx_gain,
options.spec,
options.antenna,
options.verbose,
)
self.txpath = transmit_path(options)
self.rxpath = receive_path(callback, options)
self.connect(self.txpath, self.sink)
self.connect(self.source, self.rxpath)
def __init__(self, modulator_class, options):
gr.top_block.__init__(self)
self.txpath = transmit_path(modulator_class, options)
self.audio_rx = audio_rx(options.audio_input)
if(options.tx_freq is not None):
self.sink = uhd_transmitter(options.address, options.bitrate,
options.samples_per_symbol,
options.tx_freq, options.tx_gain,
options.antenna, options.verbose)
options.samples_per_symbol = self.sink._sps
audio_rate = self.audio_rx.sample_rate
usrp_rate = self.sink.get_sample_rate()
rrate = usrp_rate / audio_rate
elif(options.to_file is not None):
self.sink = blocks.file_sink(gr.sizeof_gr_complex, options.to_file)
rrate = 1
else:
self.sink = blocks.null_sink(gr.sizeof_gr_complex)
rrate = 1
self.resampler = filter.pfb.arb_resampler_ccf(rrate)
self.connect(self.audio_rx)
self.connect(self.txpath, self.resampler, self.sink)
def __init__(self, modulator_class, options):
'''
See below for what options should hold
'''
gr.hier_block2.__init__(
self,
"usrp_transmit_path",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
if options.tx_freq is None:
sys.stderr.write(
"-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n")
raise SystemExit
#setup usrp
self._modulator_class = modulator_class
self._setup_usrp_sink(options)
tx_path = transmit_path.transmit_path(modulator_class, options)
for attr in dir(tx_path): #forward the methods
if not attr.startswith('_') and not hasattr(self, attr):
setattr(self, attr, getattr(tx_path, attr))
#connect
self.connect(tx_path, self.u)
def _setup_tx_path(self,options):
print "OPTIONS", options
if options.fbmc:
print "fbmc_transmit_path"
self.txpath = fbmc_transmit_path(options)
else:
self.txpath = transmit_path(options)
def __init__(self, options):
gr.top_block.__init__(self)
self.samp_rate = samp_rate = 1000000
self.band_width = band_width = 20000000
if (options.tx_freq is not None):
self.sink = iio.pluto_sink('193.168.2.1',
options.tx_freq, samp_rate,
long(options.bandwidth), 0x8000, False,
10.0, '', True)
#self.sink = uhd_transmitter(options.args,
# options.bandwidth, options.tx_freq,
# options.lo_offset, options.tx_gain,
# options.spec, options.antenna,
# options.clock_source, options.verbose)
elif (options.to_file is not None):
self.sink = blocks.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
self.sink = blocks.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
def __init__(self, modulator, options):
gr.top_block.__init__(self)
options.constellation_points = 4
#options.tx_freq += 0.75e6
if (options.tx_freq is not None):
# Work-around to get the modulation's bits_per_symbol
args = modulator.extract_kwargs_from_options(options)
symbol_rate = options.bitrate / modulator(**args).bits_per_symbol()
self.sink = uhd_transmitter(options.args, symbol_rate,
options.samples_per_symbol,
options.tx_freq, options.lo_offset,
options.tx_gain, options.spec,
options.antenna, options.clock_source,
options.verbose)
options.samples_per_symbol = self.sink._sps
elif (options.to_file is not None):
sys.stderr.write(
("Saving samples to '%s'.\n\n" % (options.to_file)))
self.sink = blocks.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
sys.stderr.write(
"No sink defined, dumping samples to null sink.\n\n")
self.sink = blocks.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = transmit_path(modulator, options)
self.connect(self.txpath, self.sink)
print >> sys.stderr, options
def _setup_tx_path(self, options):
print "OPTIONS", options
if options.fbmc:
print "fbmc_transmit_path"
self.txpath = fbmc_transmit_path(options)
else:
self.txpath = transmit_path(options)
def __init__(self, callback, options):
gr.top_block.__init__(self)
if(options.tx_freq is not None):
self.sink = uhd_transmitter(options.args,
options.bandwidth, options.tx_freq,
options.lo_offset, options.tx_gain,
options.spec, options.antenna,
options.clock_source, options.verbose)
# elif(options.to_file is not None):
# self.sink = blocks.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
self.sink = blocks.null_sink(gr.sizeof_gr_complex)
if(options.rx_freq is not None):
self.source = uhd_receiver(options.args,
options.bandwidth, options.rx_freq,
options.lo_offset, options.rx_gain,
options.spec, options.antenna,
options.clock_source, options.verbose)
# elif(options.from_file is not None):
# self.source = blocks.file_source(gr.sizeof_gr_complex, options.from_file)
else:
self.source = blocks.null_source(gr.sizeof_gr_complex)
# Set up receive path
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.rxpath = receive_path(callback, options)
self.txpath = transmit_path(options)
self.connect(self.source, self.rxpath)
self.connect(self.txpath, self.sink)
def __init__(self, modulator, options):
gr.top_block.__init__(self)
if (options.tx_freq is not None):
# Work-around to get the modulation's bits_per_symbol
kwargs = modulator.extract_kwargs_from_options(options)
symbol_rate = options.bitrate / modulator(
**kwargs).bits_per_symbol()
self.sink = osmo_transmitter(options.args, symbol_rate,
options.samples_per_symbol,
options.tx_freq, options.tx_gain,
options.antenna, options.bandwidth)
options.samples_per_symbol = self.sink._sps
#elif (options.to_file is not None):
# sys.stderr.write(("Saving samples to '%s'.\n\n" % (options.to_file)))
# self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
sys.stderr.write(
"No sink defined, dumping samples to null sink.\n\n")
self.sink = blocks.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the Osmosdr sink)
self.txpath = transmit_path(modulator, options)
self.connect(self.txpath, self.sink)
def __init__(self, modulator,
options): # Get options from call, modulator and options
gr.top_block.__init__(self)
if (options.tx_freq is not None):
# Work-around to get the modulation's bits_per_symbol
args = modulator.extract_kwargs_from_options(options)
symbol_rate = options.bitrate / modulator(**args).bits_per_symbol()
self.sink = uhd_transmitter(options.args, symbol_rate,
options.samples_per_symbol,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
options.samples_per_symbol = self.sink._sps
elif (options.to_file is not None):
sys.stderr.write(
("Saving samples to '%s'.\n\n" % (options.to_file)))
self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
sys.stderr.write(
"No sink defined, dumping samples to null sink.\n\n")
self.sink = gr.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
# Pass options to transmitter, setup transmitter, pass to pointer self.txpath
self.txpath = transmit_path(modulator, options)
# Connect and construct flowgraph
self.connect(
self.txpath,
self.sink) #--> back to main, to enable realtime scheduling
def __init__(self, callback, options):
gr.top_block.__init__(self)
self.samp_rate = samp_rate = 1000000
self.source = iio.pluto_source(options.dev_ip,
options.rx_freq, samp_rate,
long(options.bandwidth * 2), 0xA000,
True, True, True, "fast_attack", 64.0,
'', True)
"""
self.source = uhd_receiver(options.args,
options.bandwidth,
options.rx_freq,
options.lo_offset, options.rx_gain,
options.spec, options.antenna,
options.clock_source, options.verbose)
"""
#0x8000
self.sink = iio.pluto_sink(options.dev_ip, options.tx_freq, samp_rate,
long(options.bandwidth), 0xA000, False,
10.0, '', True)
"""self.sink = uhd_transmitter(options.args,
options.bandwidth, options.tx_freq,
options.lo_offset, options.tx_gain,
options.spec, options.antenna,
options.clock_source, options.verbose)
"""
self.txpath = transmit_path(options)
self.rxpath = receive_path(callback, options)
self.connect(self.txpath, self.sink)
self.connect(self.source, self.rxpath)
def __init__(self, mod_class, demod_class,
rx_callback, options):
gr.top_block.__init__(self)
# Get the modulation's bits_per_symbol
args = mod_class.extract_kwargs_from_options(options)
symbol_rate = options.bitrate / mod_class(**args).bits_per_symbol()
self.source = uhd_receiver(options.args, symbol_rate,
options.samples_per_symbol,
options.rx_freq, options.rx_gain,
options.spec, options.antenna,
options.verbose)
self.sink = uhd_transmitter(options.args, symbol_rate,
options.samples_per_symbol,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
options.samples_per_symbol = self.source._sps
self.txpath = transmit_path(mod_class, options)
self.rxpath = receive_path(demod_class, rx_callback, options)
self.connect(self.txpath, self.sink)
self.connect(self.source, self.rxpath)
def __init__(self, modulator, demodulator, rx_callback, options):
gr.top_block.__init__(self)
#parameters to sense channe
#options.symbol_rate=2500000
#options.samples_per_symbol=2
#options.rx_freq=2500000000
#options.rx_gain=20
#options.chbw_factor=1
sense_symbol_rate=2500000
sense_samples_per_symbol=2
sense_rx_freq=2500000000
sense_rx_gain=20
options.chbw_factor=1
#options.samples_per_symbol,
#args = demodulator.extract_kwargs_from_options(options)
self.sensesource=uhd_receiver(options.args, sense_symbol_rate,
sense_samples_per_symbol,
sense_rx_freq, sense_rx_gain,
options.spec, options.antenna,
options.verbose)
if(options.tx_freq is not None):
# Work-around to get the modulation's bits_per_symbol
args = modulator.extract_kwargs_from_options(options)
symbol_rate = options.bitrate / modulator(**args).bits_per_symbol()
self.sink = uhd_transmitter(options.args, symbol_rate,
options.samples_per_symbol,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
options.samples_per_symbol = self.sink._sps
elif(options.to_file is not None):
sys.stderr.write(("Saving samples to '%s'.\n\n" % (options.to_file)))
self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
sys.stderr.write("No sink defined, dumping samples to null sink.\n\n")
self.sink = gr.null_sink(gr.sizeof_gr_complex)
self.txgate = gr.copy(gr.sizeof_gr_complex)
self.sensegate = gr.copy(gr.sizeof_gr_complex)
#self.msgq = gr.msg_queue()
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = transmit_path(modulator, options)
self.connect(self.txpath, self.txgate, self.sink)
# do sense
self.sensepath = sensing_path(options)
self.tx_enabled = True
self.sense_flag=False
self.connect(self.sensesource, self.sensepath)
def __init__(self, callback, options):
gr.top_block.__init__(self)
### Rx Side ###
if(options.rx_freq is not None):
self.source = uhd_receiver(options.args_rx,
options.bandwidth,
options.rx_freq, options.rx_gain,
options.spec, options.antenna,
options.verbose)
elif(options.from_file is not None):
self.source = gr.file_source(gr.sizeof_gr_complex, options.from_file)
else:
self.source = gr.null_source(gr.sizeof_gr_complex)
# Set up receive path
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.rxpath = receive_path(callback, options)
## Tx Side ###
if(options.tx_freq is not None):
self.sink = uhd_transmitter(options.args_tx,
options.bandwidth,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
elif(options.to_file is not None):
self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
self.sink = gr.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
# self.txpath = gr.message_source(gr.sizeof_gr_complex, 3)
# nco_sensitivity = 2.0/options.fft_length # correct for fine frequency
# self.nco = ftw.pnc_frequency_modulator_fc(nco_sensitivity)
# self.connect(self.txpath, self.sink) # self.nco,
# if you use two USRPs and want to synchonized
# need to change uhd_interface.py
# self.source.config_mimo()
# time.sleep(1) # to make sync stable
if options.debug:
self.connect(self.source, gr.file_sink(gr.sizeof_gr_complex, 'rx.dat')) # Save reception signal
else:
self.connect(self.source, self.rxpath)
#self.connect(self.source, gr.file_sink(gr.sizeof_gr_complex, 'rx.dat'))
if(options.verbose):
self._print_verbage()
def __init__(self, options):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
#gr.top_block.__init__(self)
#construction of the transmit path of the USRP
self.txpath = transmit_path.transmit_path(self, options)
self.connect(self.txpath)
def __init__(self, modulator, options):
gr.top_block.__init__(self)
print "Saving samples to '%s'.\n" % (options.samples_file)
self.sink = gr.file_sink(gr.sizeof_gr_complex, options.samples_file)
self.txpath = transmit_path(modulator, options)
self.connect(self.txpath, self.sink)
def __init__(self, mod_class, demod_class,
rx_callback, options):
gr.top_block.__init__(self)
self.txpath = transmit_path(mod_class, options)
self.rxpath = receive_path(demod_class, rx_callback, options)
self.connect(self.txpath);
self.connect(self.rxpath);
def __init__(self, options):
gr.top_block.__init__(self)
self.sink = self._setup_osmosdr(options)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
def __init__(self, callback, options):
gr.top_block.__init__(self)
if not options.channel_off:
SNR = 10.0**(options.snr / 10.0)
power_in_signal = abs(options.tx_amplitude)**2.0
noise_power_in_channel = power_in_signal / SNR
noise_voltage = math.sqrt(noise_power_in_channel / 2.0)
print "Noise voltage: ", noise_voltage
frequency_offset = options.frequency_offset / options.fft_length
print "Frequency offset: ", frequency_offset
if options.multipath_on:
taps = [1.0, .2, 0.0, .1, .08, -.4, .12, -.2, 0, 0, 0, .3]
else:
taps = [1.0, 0.0]
else:
noise_voltage = 0.0
frequency_offset = 0.0
taps = [1.0, 0.0]
symbols_per_packet = math.ceil(
((4 + options.size + 4) * 8) / options.occupied_tones)
samples_per_packet = (symbols_per_packet + 2) * (options.fft_length +
options.cp_length)
print "Symbols per Packet: ", symbols_per_packet
print "Samples per Packet: ", samples_per_packet
if options.discontinuous:
stream_size = [
100000,
int(options.discontinuous * samples_per_packet)
]
else:
stream_size = [0, 100000]
z = [
0,
]
self.zeros = gr.vector_source_c(z, True)
self.txpath = transmit_path(options)
#self.mux = gr.stream_mux(gr.sizeof_gr_complex, stream_size)
self.throttle = gr.throttle(gr.sizeof_gr_complex, options.sample_rate)
self.channel = gr.channel_model(noise_voltage, frequency_offset,
options.clockrate_ratio, taps)
self.rxpath = receive_path(callback, options)
#self.connect(self.zeros, (self.mux,0))
#self.connect(self.txpath, (self.mux,1))
#self.connect(self.mux, self.throttle, self.channel, self.rxpath)
#self.connect(self.mux, self.throttle, self.rxpath)
self.connect(self.txpath, self.throttle, self.channel, self.rxpath)
if options.log:
self.connect(self.txpath,
gr.file_sink(gr.sizeof_gr_complex, "txpath.dat"))
def __init__(self, options):
gr.top_block.__init__(self)
self.sink = uhd_transmitter(options.args, options.bandwidth,
options.tx_freq, options.lo_offset,
options.tx_gain, options.spec,
options.antenna, options.clock_source,
options.verbose)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
def __init__(self, options):
gr.top_block.__init__(self)
self.sink = uhd_transmitter(options.args,
options.bandwidth, options.tx_freq,
options.lo_offset, options.tx_gain,
options.spec, options.antenna,
options.clock_source, options.verbose)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
def __init__(self, mod_class, demod_class, rx_callback, options):
gr.top_block.__init__(self)
self.node_id = options.nodeid
self.txpath = transmit_path(mod_class, options)
self.rxpath = receive_path(demod_class, rx_callback, options)
self.connect(self.txpath)
self.connect(self.rxpath)
def __init__(self, callback, options):
gr.top_block.__init__(self)
self._tx_freq = options.tx_freq # tranmitter's center frequency
self._tx_subdev_spec = options.tx_subdev_spec # daughterboard to use
self._interp = options.interp # interpolating rate for the USRP (prelim)
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._fusb_block_size = options.fusb_block_size # usb info for USRP
self._fusb_nblocks = options.fusb_nblocks # usb info for USRP
# linklab
self.carrier_map = options.carrier_map # carrier map
self.occupied_tones = options.occupied_tones # occupied tones
self.which = options.which # usrp in use
self.id = options.id # link ID
self.nosense = options.nosense # sensing or not
self.tx_amplitude = options.tx_amplitude # tx amplitude
self._fft_length = options.fft_length # fft length
self._strategy = options.strategy # spectrum access strategy
if self._tx_freq is None:
sys.stderr.write("-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n")
raise SystemExit
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 sink and source
self._setup_usrp_sink()
ok = self.set_snk_freq(self._tx_freq)
if not ok:
print "Failed to set Tx frequency to %s" % (eng_notation.num_to_str(self._tx_freq),)
raise ValueError
self._setup_usrp_source()
ok = self.set_src_freq(self._tx_freq)
if not ok:
print "Failed to set Rx frequency to %s" % (eng_notation.num_to_str(self._tx_freq),)
raise ValueError
# copy the final answers back into options for use by modulator
#options.bitrate = self._bitrate
self.txpath = transmit_path(options)
self.rxpath = receive_path(callback, options)
self.senspath = sensing_path(options)
self.connect(self.txpath, self.u_snk)
self.connect(self.u_src, self.rxpath)
#if options.sender and not self.nosense:
self.connect(self.u_src, self.senspath)
def __init__(self, callback, options):
gr.top_block.__init__(self)
### Rx Side ###
if (options.rx_freq is not None):
self.source = uhd_receiver(options.args_rx, options.bandwidth,
options.rx_freq, options.rx_gain,
options.spec, options.antenna,
options.verbose)
elif (options.from_file is not None):
self.source = gr.file_source(gr.sizeof_gr_complex,
options.from_file)
else:
self.source = gr.null_source(gr.sizeof_gr_complex)
# Set up receive path
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.rxpath = receive_path(callback, options)
## Tx Side ###
if (options.tx_freq is not None):
self.sink = uhd_transmitter(options.args_tx, options.bandwidth,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
elif (options.to_file is not None):
self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
self.sink = gr.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
# self.txpath = gr.message_source(gr.sizeof_gr_complex, 3)
# nco_sensitivity = 2.0/options.fft_length # correct for fine frequency
# self.nco = ftw.pnc_frequency_modulator_fc(nco_sensitivity)
# self.connect(self.txpath, self.sink) # self.nco,
# if you use two USRPs and want to synchonized
# need to change uhd_interface.py
# self.source.config_mimo()
# time.sleep(1) # to make sync stable
if options.debug:
self.connect(self.source,
gr.file_sink(gr.sizeof_gr_complex,
'rx.dat')) # Save reception signal
else:
self.connect(self.source, self.rxpath)
#self.connect(self.source, gr.file_sink(gr.sizeof_gr_complex, 'rx.dat'))
if (options.verbose):
self._print_verbage()
def __init__(self, callback, fwd_callback, options):
#def __init__(self, options):
gr.top_block.__init__(self)
if(options.tx_freq is not None):
self.sink = uhd_transmitter(options.args,
options.bandwidth,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
if(options.rx_freq is not None):
self.source = uhd_receiver(options.args,
options.bandwidth,
options.rx_freq, options.rx_gain,
options.spec, options.antenna,
options.verbose)
elif(options.to_file is not None):
self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
self.sink = gr.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
print "flow:: ", options.flow
# only for bidirectional flows: source in the reverse direction needs to
# start the ofdm_sink first to allow the socket connections working fine..
if (options.flow == 1):
self.rxpath = receive_path(callback, fwd_callback, options)
self.connect(self.source, self.rxpath)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
else:
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
self.rxpath = receive_path(callback, fwd_callback, options)
self.connect(self.source, self.rxpath)
def setup_transmitter_usrp0(self):
self.tb = gr.top_block()
self.txpath = transmit_path(self)
self.rpc_mgr_tx = zeromq.rpc_manager()
self.rpc_mgr_tx.set_reply_socket("tcp://*:6660")
self.rpc_mgr_tx.start_watcher()
## Adding interfaces
self.rpc_mgr_tx.add_interface("set_amplitude",self.txpath.set_rms_amplitude)
self.rpc_mgr_tx.add_interface("get_tx_parameters",self.txpath.get_tx_parameters)
self.rpc_mgr_tx.add_interface("set_modulation",self.txpath.allocation_src.set_allocation)
def __init__(self, mod_class, demod_class,
tx_subdev_spec, rx_subdev_spec,
rx_callback,
options, kwargs):
gr.flow_graph.__init__(self)
self.txpath = transmit_path(self, mod_class, tx_subdev_spec,
options.bitrate, options.interp, options.spb,
options.tx_gain, options, kwargs)
self.rxpath = receive_path(self, demod_class, rx_subdev_spec,
options.bitrate, options.decim, options.spb,
rx_callback, options, {})
def __init__(self, callback, fwd_callback, options):
#def __init__(self, options):
gr.top_block.__init__(self)
if (options.tx_freq is not None):
self.sink = uhd_transmitter(options.args, options.bandwidth,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
if (options.rx_freq is not None):
self.source = uhd_receiver(options.args, options.bandwidth,
options.rx_freq, options.rx_gain,
options.spec, options.antenna,
options.verbose)
elif (options.to_file is not None):
self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
self.sink = gr.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
print "flow:: ", options.flow
# only for bidirectional flows: source in the reverse direction needs to
# start the ofdm_sink first to allow the socket connections working fine..
if (options.flow == 1):
self.rxpath = receive_path(callback, fwd_callback, options)
self.connect(self.source, self.rxpath)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
else:
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
self.rxpath = receive_path(callback, fwd_callback, options)
self.connect(self.source, self.rxpath)
def __init__(self, callback, options):
gr.top_block.__init__(self)
if not options.channel_off:
SNR = 10.0**(options.snr/10.0)
power_in_signal = abs(options.tx_amplitude)**2.0
noise_power_in_channel = power_in_signal/SNR
noise_voltage = math.sqrt(noise_power_in_channel/2.0)
print "Noise voltage: ", noise_voltage
frequency_offset = options.frequency_offset / options.fft_length
print "Frequency offset: ", frequency_offset
if options.multipath_on:
taps = [1.0, .2, 0.0, .1, .08, -.4, .12, -.2, 0, 0, 0, .3]
else:
taps = [1.0, 0.0]
else:
noise_voltage = 0.0
frequency_offset = 0.0
taps = [1.0, 0.0]
symbols_per_packet = math.ceil(((4+options.size+4) * 8) / options.occupied_tones)
samples_per_packet = (symbols_per_packet+2) * (options.fft_length+options.cp_length)
print "Symbols per Packet: ", symbols_per_packet
print "Samples per Packet: ", samples_per_packet
if options.discontinuous:
stream_size = [100000, int(options.discontinuous*samples_per_packet)]
else:
stream_size = [0, 100000]
z = [0,]
self.zeros = gr.vector_source_c(z, True)
self.txpath = transmit_path(options)
#self.mux = gr.stream_mux(gr.sizeof_gr_complex, stream_size)
self.throttle = gr.throttle(gr.sizeof_gr_complex, options.sample_rate)
self.channel = gr.channel_model(noise_voltage, frequency_offset,
options.clockrate_ratio, taps)
self.rxpath = receive_path(callback, options)
#self.connect(self.zeros, (self.mux,0))
#self.connect(self.txpath, (self.mux,1))
#self.connect(self.mux, self.throttle, self.channel, self.rxpath)
#self.connect(self.mux, self.throttle, self.rxpath)
self.connect(self.txpath, self.throttle, self.channel, self.rxpath)
if options.log:
self.connect(self.txpath, gr.file_sink(gr.sizeof_gr_complex, "txpath.dat"))
def __init__(self, callback, options):
gr.top_block.__init__(self)
#self._tx_freq = options.tx_freq # tranmitter's center frequency
self._tx_gain = options.tx_gain # transmitter's gain
self._samp_rate = options.samp_rate # sample rate for USRP
#self._rx_freq = options.rx_freq # receiver's center frequency
self._rx_gain = options.rx_gain # receiver's gain
#if self._tx_freq is None:
# sys.stderr.write("-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n")
# raise SystemExit
#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 sink and source
self._setup_usrp_sink()
self._setup_usrp_source()
self.txpath = transmit_path(options)
self.rxpath = receive_path(callback, options)
self.rx_valve = gr.copy(gr.sizeof_gr_complex)
self.sense = sense_path(self.set_freq, options)
# Set center frequency of USRP
ok = self.set_freq(self.sense.channels[0]) #self._tx_freq)
if not ok:
print "Failed to set Tx frequency to %s" % (
eng_notation.num_to_str(self.sense.channels[0]), )
raise ValueError
self.sense_valve = gr.copy(gr.sizeof_gr_complex)
self.rx_valve.set_enabled(True)
self.sense_valve.set_enabled(False)
self.connect(self.txpath, self.u_snk)
self.connect(self.u_src, self.rx_valve, self.rxpath)
self.connect(self.u_src, self.sense_valve, self.sense)
if options.verbose:
self._print_verbage()
if options.show_rx_gain_range:
print "RX gain range: ", self.u_src.get_gain_range()
if options.show_tx_gain_range:
print "TX gain range: ", self.u_snk.get_gain_range()
def setup_transmitter_usrp0(self):
self.tb = gr.top_block()
self.txpath = transmit_path(self)
self.rpc_mgr_tx = zeromq.rpc_manager()
self.rpc_mgr_tx.set_reply_socket("tcp://*:6660")
self.rpc_mgr_tx.start_watcher()
## Adding interfaces
self.rpc_mgr_tx.add_interface("set_amplitude",
self.txpath.set_rms_amplitude)
self.rpc_mgr_tx.add_interface("get_tx_parameters",
self.txpath.get_tx_parameters)
self.rpc_mgr_tx.add_interface(
"set_modulation", self.txpath.allocation_src.set_allocation)
def __init__(self, options):
gr.hier_block2.__init__(self, "usrp_transmit_path",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
if options.tx_freq is None:
sys.stderr.write("-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n")
raise SystemExit
tx_path = transmit_path.transmit_path(options)
for attr in dir(tx_path): #forward the methods
if not attr.startswith('_') and not hasattr(self, attr):
setattr(self, attr, getattr(tx_path, attr))
self._setup_sink(options)
self.connect(tx_path, self.sink)
def __init__(self, callback, options):
gr.top_block.__init__(self)
#self._tx_freq = options.tx_freq # tranmitter's center frequency
self._tx_gain = options.tx_gain # transmitter's gain
self._samp_rate = options.samp_rate # sample rate for USRP
#self._rx_freq = options.rx_freq # receiver's center frequency
self._rx_gain = options.rx_gain # receiver's gain
#if self._tx_freq is None:
# sys.stderr.write("-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n")
# raise SystemExit
#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 sink and source
self._setup_usrp_sink()
self._setup_usrp_source()
self.txpath = transmit_path(options)
self.rxpath = receive_path(callback, options)
self.rx_valve = gr.copy(gr.sizeof_gr_complex)
self.sense = sense_path(self.set_freq, options)
# Set center frequency of USRP
ok = self.set_freq(self.sense.channels[0]) #self._tx_freq)
if not ok:
print "Failed to set Tx frequency to %s" % (eng_notation.num_to_str(self.sense.channels[0]),)
raise ValueError
self.sense_valve = gr.copy(gr.sizeof_gr_complex)
self.rx_valve.set_enabled(True)
self.sense_valve.set_enabled(False)
self.connect(self.txpath, self.u_snk)
self.connect(self.u_src, self.rx_valve, self.rxpath)
self.connect(self.u_src, self.sense_valve, self.sense)
if options.verbose:
self._print_verbage()
if options.show_rx_gain_range:
print "RX gain range: ", self.u_src.get_gain_range()
if options.show_tx_gain_range:
print "TX gain range: ", self.u_snk.get_gain_range()
def __init__(self, rx_callback, options):
gr.top_block.__init__(self)
# Setting up 'Transmit Path'
self.txpath = transmit_path(options, self)
# Setting up 'Receive Path'
packet = cnPacket()
self.rxpath = receive_path(rx_callback, packet, options)
# Channel
samples_per_packet = options.samples_per_symbol * 8 * 36
if options.mode == 'default':
print 'Operating mode : Default'
mods = digital.modulation_utils.type_1_mods()
modulator = mods[options.modulation]
args = modulator.extract_kwargs_from_options(options)
symbol_rate = options.bitrate / modulator(**args).bits_per_symbol()
self.usrp_sink = uhd_transmitter(options.args, symbol_rate,
options.samples_per_symbol,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
self.usrp_source = uhd_receiver(options.args, symbol_rate,
options.samples_per_symbol,
options.rx_freq, options.rx_gain,
options.spec, options.antenna,
options.verbose)
options.samples_per_symbol = self.usrp_sink._sps
#self.usrp_sink = usrp_sink(options)
#self.usrp_source = usrp_source(options)
self.connect(self.txpath, self.usrp_sink)
self.connect(self.usrp_source, self.rxpath)
elif options.mode == 'loopback':
print 'Operating mode : Loopback'
self.channel = channel_emulator(options,samples_per_packet)
self.connect(self.txpath, self.channel, self.rxpath)
def __init__(self, options):
gr.top_block.__init__(self)
self.sink = uhd_transmitter(options.args,
options.bandwidth,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
def __init__(self, mod_class, demod_class, rx_callback, options):
gr.top_block.__init__(self)
channelon = True
SNR = 10.0**(options.snr / 10.0)
frequency_offset = options.frequency_offset
power_in_signal = abs(options.tx_amplitude)**2
noise_power = power_in_signal / SNR
noise_voltage = math.sqrt(noise_power)
# 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, options.sample_rate)
self.rxpath = receive_path(demod_class, rx_callback, options)
if channelon:
self.channel = gr.channel_model(noise_voltage, frequency_offset,
1.01)
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.mux, 0))
self.connect(self.zeros, (self.mux, 1))
self.connect(self.mux, self.channel, self.rxpath)
else:
self.connect(self.txpath, self.channel, self.rxpath)
else:
# Connect components
self.connect(self.txpath, self.throttle, self.rxpath)
def clickStart (self, event):
#self.condition.acquire()
self.button_commencer.Disable()
self.button_arreter.Enable()
self.setOptionsGui()
#initialiser les options de transmission par ceux de l'interface graphique
self.setOptionsReal()
#self.tb.changeOptionsTransmitter(self.options)
self.tb = transmit_path(self.options, self.state_mod)
print "amplitude initial ", self.options.amplitude
#self.th_premiers_op = Thread_Premiers_Options(self.options)
self.th_cliq_commencer = Thread_click_start(self, self.tb)
def _setup_usrp_source2(self, options):
"""
Creates a USRP sink, determines the settings for best bitrate,
and attaches to the transmitter's subdevice.
"""
print "setup_usrp_source2", self._tx_freq
if (self._tx_freq is not None):
self.u_sink = uhd_transmitter(options.args, options.bandwidth,
self._tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
print "setup usrp sink ", self.u_sink
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.u_sink)
def __init__(self, modulator, options):
gr.top_block.__init__(self)
if(options.tx_freq is not None):
# Work-around to get the modulation's bits_per_symbol
args = modulator.extract_kwargs_from_options(options)
symbol_rate = options.bitrate / modulator(**args).bits_per_symbol()
self.sink = uhd_transmitter(options.args, symbol_rate,
options.samples_per_symbol, options.tx_freq,
options.lo_offset, options.tx_gain,
options.spec, options.antenna,
options.clock_source, options.verbose)
options.samples_per_symbol = self.sink._sps
elif(options.to_file is not None):
sys.stderr.write(("Saving samples to '%s'.\n\n" % (options.to_file)))
self.sink = blocks.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
sys.stderr.write("No sink defined, dumping samples to null sink.\n\n")
self.sink = blocks.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = transmit_path(modulator, options)
alpha = 0.001
thresh = 20
self.probe = analog.probe_avg_mag_sqrd_c(thresh,alpha)
self.source = uhd.usrp_source(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.source.set_samp_rate(self.sink._rate)
self.source.set_center_freq(uhd.tune_request(options.tx_freq,0))
self.source.set_gain(options.tx_gain)
self.connect(self.source, self.probe)
self.connect(self.txpath, self.sink)
print >> sys.stderr, options
def __init__(self, callback, fwd_callback, options):
gr.top_block.__init__(self)
self.source = uhd_receiver(options.args, options.bandwidth,
options.rx_freq, options.rx_gain,
options.spec, options.antenna,
options.verbose)
self.sink = uhd_transmitter(options.args, options.bandwidth,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
self.rxpath = receive_path(callback, fwd_callback, options)
self.connect(self.source, self.rxpath)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
def _setup_usrp_source2(self,options):
"""
Creates a USRP sink, determines the settings for best bitrate,
and attaches to the transmitter's subdevice.
"""
print "setup_usrp_source2",self._tx_freq
if(self._tx_freq is not None):
self.u_sink = uhd_transmitter(options.args,
options.bandwidth,
self._tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
print "setup usrp sink " , self.u_sink
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.u_sink)
def __init__(self, options):
gr.top_block.__init__(self)
if (options.tx_freq is not None):
self.sink = uhd_transmitter(options.args, options.bandwidth,
options.tx_freq, options.tx_gain,
options.spec, options.antenna,
options.verbose)
elif (options.to_file is not None):
self.sink = gr.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
self.sink = gr.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
def __init__(self):
gr.top_block.__init__(self)
self.uhd_sink = uhd.usrp_sink(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_sink.set_samp_rate(samp_rate)
self.uhd_sink.set_center_freq(f_center, 0)
self.uhd_sink.set_gain(gain, 0)
self.uhd_sink.set_bandwidth(bandwidth, 0)
self.txpath = transmit_path()
#self.rxpath = receive_path(callback, options)
self.connect(self.txpath, self.uhd_sink)
def __init__(self, modulator_class, options):
'''
See below for what options should hold
'''
gr.hier_block2.__init__(self, "usrp_transmit_path",
gr.io_signature(0, 0, 0), # Input signature
gr.io_signature(0, 0, 0)) # Output signature
if options.tx_freq is None:
sys.stderr.write("-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n")
raise SystemExit
tx_path = transmit_path.transmit_path(modulator_class, options)
for attr in dir(tx_path): #forward the methods
if not attr.startswith('_') and not hasattr(self, attr):
setattr(self, attr, getattr(tx_path, attr))
#setup usrp
self._modulator_class = modulator_class
self._setup_usrp_sink(options)
#connect
self.connect(tx_path, self.u)
def __init__(self):
gr.top_block.__init__(self)
self.uhd_sink = uhd.usrp_sink(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_sink.set_samp_rate(samp_rate)
self.uhd_sink.set_center_freq(f_center, 0)
self.uhd_sink.set_gain(gain, 0)
self.uhd_sink.set_bandwidth(bandwidth, 0)
self.txpath = transmit_path()
#self.rxpath = receive_path(callback, options)
self.connect(self.txpath, self.uhd_sink)
def __init__(self, options):
gr.top_block.__init__(self)
if(options.tx_freq is not None):
self.sink = uhd_transmitter(options.args,
options.bandwidth, options.tx_freq,
options.lo_offset, options.tx_gain,
options.spec, options.antenna,
options.clock_source, options.verbose)
elif(options.to_file is not None):
self.sink = blocks.file_sink(gr.sizeof_gr_complex, options.to_file)
else:
self.sink = blocks.null_sink(gr.sizeof_gr_complex)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath = transmit_path(options)
self.connect(self.txpath, self.sink)
def __init__(self, callback, options):
gr.top_block.__init__(self)
self._tx_freq = options.tx_freq # tranmitter's center frequency
self._tx_subdev_spec = options.tx_subdev_spec # daughterboard to use
self._interp = options.interp # interpolating rate for the USRP (prelim)
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._fusb_block_size = options.fusb_block_size # usb info for USRP
self._fusb_nblocks = options.fusb_nblocks # usb info for USRP
if self._tx_freq is None:
sys.stderr.write(
"-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n")
raise SystemExit
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 sink and source
self._setup_usrp_sink()
self._setup_usrp_source()
# Set center frequency of USRP
ok = self.set_freq(self._tx_freq)
if not ok:
print "Failed to set Tx frequency to %s" % (
eng_notation.num_to_str(self._tx_freq), )
raise ValueError
# copy the final answers back into options for use by modulator
#options.bitrate = self._bitrate
self.txpath = transmit_path(options)
self.rxpath = receive_path(callback, options)
self.connect(self.txpath, self.u_snk)
self.connect(self.u_src, self.rxpath)
def __init__(self, mod_class, demod_class, rx_callback, options):
gr.top_block.__init__(self)
channelon = True;
SNR = 10.0**(options.snr/10.0)
frequency_offset = options.frequency_offset
power_in_signal = abs(options.tx_amplitude)**2
noise_power = power_in_signal/SNR
noise_voltage = math.sqrt(noise_power)
# 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, options.sample_rate)
self.rxpath = receive_path(demod_class, rx_callback, options)
if channelon:
self.channel = gr.channel_model(noise_voltage, frequency_offset, 1.01)
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.mux,0))
self.connect(self.zeros, (self.mux,1))
self.connect(self.mux, self.channel, self.rxpath)
else:
self.connect(self.txpath, self.channel, self.rxpath)
else:
# Connect components
self.connect(self.txpath, self.throttle, self.rxpath)
def __init__(self, options):
gr.top_block.__init__(self, "tx_mpsk")
self._transmitter = transmit_path(options.sps,
options.excess_bw,
options.amplitude)
if_rate = options.rate*options.sps
interp = int(_dac_rate/if_rate)
print "Modulation:", n2s(options.rate), "bits/sec"
print "TX IF rate:", n2s(if_rate), "samples/sec"
print "USRP interpolation:", interp
print "DAC amplitude:", options.amplitude
self._setup_usrp(options.which,
interp,
options.tx_subdev_spec,
options.freq)
self.connect(self._transmitter, self._usrp)
def __init__(self, options):
gr.top_block.__init__(self)
self._tx_freq = options.tx_freq # tranmitter's center frequency
self._tx_subdev_spec = options.tx_subdev_spec # daughterboard to use
self._interp = options.interp # interpolating rate for the USRP (prelim)
self._fusb_block_size = options.fusb_block_size # usb info for USRP
self._fusb_nblocks = options.fusb_nblocks # usb info for USRP
if self._tx_freq is None:
sys.stderr.write("-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n")
raise SystemExit
# Set up USRP sink; also adjusts interp, and bitrate
self._setup_usrp_sink()
# copy the final answers back into options for use by modulator
#options.bitrate = self._bitrate
self.txpath = transmit_path(options)
self.connect(self.txpath, self.u)
def __init__(self, callback, options):
gr.top_block.__init__(self)
self._tx_freq = options.tx_freq # tranmitter's center frequency
self._tx_subdev_spec = options.tx_subdev_spec # daughterboard to use
self._interp = options.interp # interpolating rate for the USRP (prelim)
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._fusb_block_size = options.fusb_block_size # usb info for USRP
self._fusb_nblocks = options.fusb_nblocks # usb info for USRP
if self._tx_freq is None:
sys.stderr.write("-f FREQ or --freq FREQ or --tx-freq FREQ must be specified\n")
raise SystemExit
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 sink and source
self._setup_usrp_sink()
self._setup_usrp_source()
# Set center frequency of USRP
ok = self.set_freq(self._tx_freq)
if not ok:
print "Failed to set Tx frequency to %s" % (eng_notation.num_to_str(self._tx_freq),)
raise ValueError
# copy the final answers back into options for use by modulator
#options.bitrate = self._bitrate
self.txpath = transmit_path(options)
self.rxpath = receive_path(callback, options)
self.connect(self.txpath, self.u_snk)
self.connect(self.u_src, self.rxpath)
