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)
#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, 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 test_copy(self):
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
expected_result = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
src = gr.vector_source_b(src_data)
op = gr.copy(gr.sizeof_char)
dst = gr.vector_sink_b()
self.tb.connect(src, op, dst)
self.tb.run()
dst_data = dst.data()
self.assertEqual(expected_result, dst_data)
def test_copy (self):
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
expected_result = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
src = gr.vector_source_b(src_data)
op = gr.copy(gr.sizeof_char)
dst = gr.vector_sink_b()
self.tb.connect(src, op, dst)
self.tb.run()
dst_data = dst.data()
self.assertEqual(expected_result, dst_data)
def test_copy_drop (self):
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
expected_result = ()
src = gr.vector_source_c(src_data)
op = gr.copy(gr.sizeof_gr_complex, False, 8)
dst = gr.vector_sink_c()
self.tb.connect(src, op, dst)
self.tb.run()
dst_data = dst.data()
self.assertEqual(expected_result, dst_data)
def test_copy_drop(self):
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
expected_result = ()
src = blocks.vector_source_b(src_data)
op = gr.copy(gr.sizeof_char)
op.set_enabled(False)
dst = blocks.vector_sink_b()
self.tb.connect(src, op, dst)
self.tb.run()
dst_data = dst.data()
self.assertEqual(expected_result, dst_data)
def test_copy_drop (self):
src_data = (1, 2, 3, 4, 5, 6, 7, 8, 9, 10)
expected_result = ()
src = blocks.vector_source_b(src_data)
op = gr.copy(gr.sizeof_char)
op.set_enabled(False)
dst = blocks.vector_sink_b()
self.tb.connect(src, op, dst)
self.tb.run()
dst_data = dst.data()
self.assertEqual(expected_result, dst_data)
def wxgui_connect(self, *points): """ Use wxgui connect when the first point is the self source of the hb. The win property of this object should be set to the wx window. When this method tries to connect self to the next point, it will conditionally make this connection based on the visibility state. All other points will be connected normally. """ try: assert points[0] == self or points[0][0] == self copy = gr.copy(self._hb.input_signature().sizeof_stream_item(0)) handler = self._handler_factory(copy.set_enabled) handler(False) #initially disable the copy block self._bind_to_visible_event(win=self.win, handler=handler) points = list(points) points.insert(1, copy) #insert the copy block into the chain except (AssertionError, IndexError): pass self.connect(*points) #actually connect the blocks
def wxgui_connect(self, *points):
"""
Use wxgui connect when the first point is the self source of the hb.
The win property of this object should be set to the wx window.
When this method tries to connect self to the next point,
it will conditionally make this connection based on the visibility state.
All other points will be connected normally.
"""
try:
assert points[0] == self or points[0][0] == self
copy = gr.copy(self._hb.input_signature().sizeof_stream_item(0))
handler = self._handler_factory(copy.set_enabled)
handler(False) #initially disable the copy block
self._bind_to_visible_event(win=self.win, handler=handler)
points = list(points)
points.insert(1, copy) #insert the copy block into the chain
except (AssertionError, IndexError):
pass
self.connect(*points) #actually connect the blocks
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()
# 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.rx_valve = gr.copy(gr.sizeof_gr_complex)
self.connect(self.txpath, self.u_snk)
self.connect(self.u_src, self.rx_valve, self.rxpath)
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()
# 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.rx_valve = gr.copy(gr.sizeof_gr_complex)
self.connect(self.txpath, self.u_snk)
self.connect(self.u_src, self.rx_valve, self.rxpath)
def __init__(self, modulator, demodulator, rx_callback, options):
gr.top_block.__init__(self)
sense_symbol_rate=2500000
sense_samples_per_symbol=2
sense_rx_freq=2500000000
sense_rx_gain=20
options.chbw_factor=1
global bandchoose
#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()
fa = samp_rate/4 #1000000
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)
# do sense
self.sensepath = sensing_path(options)
self.tx_enabled = True
self.sense_flag=False
self.connect(self.sensesource, self.sensepath)
# do this after for any adjustments to the options that may
# occur in the sinks (specifically the UHD sink)
self.txpath1 = transmit_path(modulator, options)
self.txpath2 = transmit_path(modulator, options)
#self.connect(self.txpath, self.sink)
# Define the math operator blocks
# Generate exp(jw1t) and exp(-jw1t)
self.gr_multiply_xx_0 = gr.multiply_vff(1)
self.gr_float_to_complex_0_0 = gr.float_to_complex(1)
self.gr_float_to_complex_0 = gr.float_to_complex(1)
self.const_source_x_0 = gr.sig_source_f(0, gr.GR_CONST_WAVE, 0, 0, -1)
self.analog_sig_source_x_0_0 = gr.sig_source_f(samp_rate, gr.GR_SIN_WAVE, fa, 1, 0)
self.analog_sig_source_x_0 = gr.sig_source_f(samp_rate, gr.GR_COS_WAVE, fa, 1, 0)
# Combine signal from two subbands
self.gr_multiply_xx_1 = gr.multiply_vcc(1)
self.gr_multiply_xx_2 = gr.multiply_vcc(1)
self.gr_c2f_1 = gr.complex_to_float(1)
self.gr_c2f_2 = gr.complex_to_float(1)
self.gr_add_xx_re = gr.add_vff(1)
self.gr_add_xx_im = gr.add_vff(1)
self.gr_f2c = gr.float_to_complex(1)
self.gr_null_source_0 = gr.null_source(gr.sizeof_gr_complex*1)
# output from gr_float_to_complex_0_0 is exp(-jw1t)
# output from gr_float_to_complex_0 is exp(jw1t)
self.connect((self.gr_multiply_xx_0, 0), (self.gr_float_to_complex_0_0, 1))
self.connect((self.analog_sig_source_x_0, 0), (self.gr_float_to_complex_0_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0), (self.gr_float_to_complex_0, 1))
self.connect((self.analog_sig_source_x_0, 0), (self.gr_float_to_complex_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0), (self.gr_multiply_xx_0, 0))
self.connect((self.const_source_x_0, 0), (self.gr_multiply_xx_0, 1))
# txpath1 * exp(-jw1t)
#self.connect(self.txpath1, (self.gr_multiply_xx_1, 0))
self.connect((self.gr_float_to_complex_0_0, 0), (self.gr_multiply_xx_1, 1))
# txpath2 * exp(jw1t)
#self.connect(self.txpath2, (self.gr_multiply_xx_2, 0))
self.connect((self.gr_float_to_complex_0, 0), (self.gr_multiply_xx_2, 1))
if bandchoose == 0:
self.connect(self.txpath1, (self.gr_multiply_xx_1, 0))
self.connect(self.gr_null_source_0 , (self.gr_multiply_xx_2, 0))
elif bandchoose == 1:
self.connect(self.gr_null_source_0 , (self.gr_multiply_xx_1, 0))
self.connect(self.txpath2, (self.gr_multiply_xx_2, 0))
else:
self.connect(self.txpath1, (self.gr_multiply_xx_1, 0))
self.connect(self.txpath2, (self.gr_multiply_xx_2, 0))
self.connect((self.gr_multiply_xx_1, 0), self.gr_c2f_1)
self.connect((self.gr_multiply_xx_2, 0), self.gr_c2f_2)
self.connect((self.gr_c2f_1,0), (self.gr_add_xx_re,0))
self.connect((self.gr_c2f_2,0), (self.gr_add_xx_re,1))
self.connect((self.gr_c2f_1,1), (self.gr_add_xx_im,0))
self.connect((self.gr_c2f_2,1), (self.gr_add_xx_im,1))
self.connect(self.gr_add_xx_re, (self.gr_f2c,0))
self.connect(self.gr_add_xx_im, (self.gr_f2c,1))
self.connect(self.gr_f2c, self.sink)
import gnuradio
from gnuradio import gr
from gnuradio import blocks as grblocks
import sys
if __name__ == '__main__':
duration = float(sys.argv[1])
tb = gr.top_block()
src = gr.null_source(8)
b0 = gr.copy(8)
b1 = grblocks.sub_cc()
b2 = gr.copy(8)
b3 = grblocks.divide_cc()
b4 = gr.copy(8)
sink = gr.null_sink(8)
tb.connect(src, b0, b1, b2, b3, b4, sink)
import time
tb.start()
time.sleep(duration)
print '##RESULT##', sink.nitems_read(0)/duration
import sys; sys.stdout.flush()
tb.stop()
tb.wait()
import gnuradio
from gnuradio import gr
from gnuradio import blocks as grblocks
import sys
if __name__ == '__main__':
duration = float(sys.argv[1])
tb = gr.top_block()
src = gr.null_source(8)
b0 = gr.copy(8)
b1 = grblocks.sub_cc()
b2 = gr.copy(8)
b3 = grblocks.divide_cc()
b4 = gr.copy(8)
sink = gr.null_sink(8)
tb.connect(src, b0, b1, b2, b3, b4, sink)
import time
tb.start()
time.sleep(duration)
print '##RESULT##', sink.nitems_read(0) / duration
import sys
sys.stdout.flush()
tb.stop()
tb.wait()
