def add_options(normal, expert): """ Adds usrp-specific options to the Options Parser """ normal.add_option("", "--infile", type="string", help="select input file to TX from") normal.add_option( "-c", "--channel", type="eng_float", default=17, help="Set 802.15.4 Channel to listen on channel %default", metavar="FREQ") normal.add_option("-v", "--verbose", action="store_true", default=False) normal.add_option("-W", "--bandwidth", type="eng_float", default=4000e3, help="set symbol bandwidth [default=%default]") normal.add_option("-t", "--threshold", type="int", default=-1) expert.add_option( "", "--log", action="store_true", default=False, help="Log all parts of flow graph to files (CAUTION: lots of data)" ) uhd_receiver.add_options(normal)
def main(): parser = OptionParser(conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") rx_top_block.add_options(parser) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) (options, args) = parser.parse_args() if options.cfg is not None: (options, args) = parser.parse_args(files=[options.cfg]) print "Using configuration file %s" % (options.cfg) tb = rx_top_block(options) if options.dot_graph: # write a dot graph of the flowgraph to file dot_str = tb.dot_graph() file_str = os.path.expanduser('rx_ofdm.dot') dot_file = open(file_str, 'w') dot_file.write(dot_str) dot_file.close() try: tb.run() except [[KeyboardInterrupt]]: pass
def get_options(demods): parser = OptionParser(option_class=eng_option, conflict_handler="resolve") parser.add_option("", "--from-file", default=None, help="input file of samples to demod") parser.add_option("-m", "--modulation", type="choice", choices=list(demods.keys()), default='psk', help="Select modulation from: %s [default=%%default]" % (', '.join(list(demods.keys())),)) parser.add_option("-r", "--bitrate", type="eng_float", default=250e3, help="Select modulation bit rate (default=%default)") parser.add_option("-S", "--samples-per-symbol", type="float", default=2, help="set samples/symbol [default=%default]") if not parser.has_option("--verbose"): parser.add_option("-v", "--verbose", action="store_true", default=False) if not parser.has_option("--log"): parser.add_option("", "--log", action="store_true", default=False, help="Log all parts of flow graph to files (CAUTION: lots of data)") uhd_receiver.add_options(parser) demods = digital.modulation_utils.type_1_demods() for mod in list(demods.values()): mod.add_options(parser) (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() sys.exit(1) return (options, args)
def parse_args(): # enable real time scheduling r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable real time scheduling" # parse parameters parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") expert_grp.add_option("-c", "--carrier_threshold", type="eng_float", default=meta_data.default_carrier_thredshold, help="set carrier detect threshold (dB) [default=%default]") parser.add_option("-i","--id", default=meta_data.default_id, help="id: check out meta_data.py also.") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) digital.ofdm_mod.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) (options, args) = parser.parse_args () if int(options.id) == meta_data.default_id: print int(options.id) sys.stderr.write("You must specify -i ID or --id ID\n") parser.print_help(sys.stderr) sys.exit(1) else: options.rx_freq = meta_data.channels_freq_table[meta_data.init_channel_num] * 1e9 options.tx_freq = meta_data.channels_freq_table[meta_data.init_channel_num] * 1e9 options.bandwidth = (meta_data.default_bandwidth * 10000000.0)/4 return options
def main(): global n_rcvd, n_right n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right n_rcvd += 1 if len(payload) > 2: (pktno,) = struct.unpack('!H', payload[0:2]) if ok: n_right += 1 else: pktno = -1 print "ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d" % (ok, pktno, n_rcvd, n_right) if 0: printlst = list() for x in payload[2:]: t = hex(ord(x)).replace('0x', '') if(len(t) == 1): t = '0' + t printlst.append(t) printable = ''.join(printlst) print printable print "\n" parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("","--discontinuous", action="store_true", default=False, help="enable discontinuous") parser.add_option("","--from-file", default=None, help="input file of samples to demod") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) (options, args) = parser.parse_args () if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph tb = my_top_block(rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph tb.wait() # wait for it to finish
def main(): global n_rcvd, n_right n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right (pktno,) = struct.unpack('!H', payload[0:2]) # Xu: Calculate raw BER CalcBER(payload[2:]) n_rcvd += 1 if ok: n_right += 1 print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" % ( ok, pktno, n_rcvd, n_right) demods = digital.modulation_utils.type_1_demods() # Create Options Parser: parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), default='psk', help="Select modulation from: %s [default=%%default]" % (', '.join(demods.keys()),)) parser.add_option("","--from-file", default=None, help="input file of samples to demod") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in demods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph tb = my_top_block(demods[options.modulation], rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: Failed to enable realtime scheduling." tb.start() # start flow graph tb.wait() # wait for it to finish
def get_options(demods): parser = OptionParser(option_class=eng_option, conflict_handler="resolve") parser.add_option("","--from-file", default=None, help="input file of samples to demod") parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), default='psk', help="Select modulation from: %s [default=%%default]" % (', '.join(demods.keys()),)) parser.add_option("-r", "--bitrate", type="eng_float", default=250e3, help="Select modulation bit rate (default=%default)") parser.add_option("-S", "--samples-per-symbol", type="float", default=2, help="set samples/symbol [default=%default]") if not parser.has_option("--verbose"): parser.add_option("-v", "--verbose", action="store_true", default=False) if not parser.has_option("--log"): parser.add_option("", "--log", action="store_true", default=False, help="Log all parts of flow graph to files (CAUTION: lots of data)") uhd_receiver.add_options(parser) demods = digital.modulation_utils.type_1_demods() for mod in demods.values(): mod.add_options(parser) (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() sys.exit(1) return (options, args)
def add_options(parser, expert): add_freq_option(parser) uhd_receiver.add_options(parser) receive_path.receive_path.add_options(parser, expert) expert.add_option("", "--rx-freq", type="eng_float", default=None, help="set Rx frequency to FREQ [default=%default]", metavar="FREQ") parser.add_option("-v", "--verbose", action="store_true", default=False)
def main(): parser = OptionParser(conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") rx_top_block.add_options(parser) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) (options, args) = parser.parse_args() if options.cfg is not None: (options,args) = parser.parse_args(files=[options.cfg]) print "Using configuration file %s" % ( options.cfg ) tb = rx_top_block(options) if options.dot_graph: # write a dot graph of the flowgraph to file dot_str = tb.dot_graph() file_str = os.path.expanduser('rx_ofdm.dot') dot_file = open(file_str,'w') dot_file.write(dot_str) dot_file.close() try: tb.run() except [[KeyboardInterrupt]]: pass
def main(): global n_rcvd, n_right n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right n_rcvd += 1 if ok: n_right += 1 tb.audio_tx.msgq().insert_tail(gr.message_from_string(payload)) print "ok = %r n_rcvd = %4d n_right = %4d" % ( ok, n_rcvd, n_right) demods = digital.modulation_utils.type_1_demods() # Create Options Parser: parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), default='gmsk', help="Select modulation from: %s [default=%%default]" % (', '.join(demods.keys()),)) parser.add_option("-O", "--audio-output", type="string", default="", help="pcm output device name. E.g., hw:0,0 or /dev/dsp") parser.add_option("","--from-file", default=None, help="input file of samples to demod") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in demods.values(): mod.add_options(expert_grp) parser.set_defaults(bitrate=50e3) # override default bitrate default (options, args) = parser.parse_args () if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph tb = my_top_block(demods[options.modulation], rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: Failed to enable realtime scheduling." tb.run()
def add_options(normal, expert): """ Adds usrp-specific options to the Options Parser """ uhd_receiver.add_options(normal) add_freq_option(normal) normal.add_option("-R", "--rx-subdev-spec", type="subdev", default=None, help="select USRP Rx side A or B") normal.add_option( "", "--rx-gain", type="eng_float", default=None, metavar="GAIN", help= "set receiver gain in dB [default=midpoint]. See also --show-rx-gain-range" ) normal.add_option( "", "--show-rx-gain-range", action="store_true", default=False, help="print min and max Rx gain available on selected daughterboard" ) normal.add_option("-v", "--verbose", action="store_true", default=False) # linklab, add options to specify which USRP to sue normal.add_option( "-w", "--which", type="int", default=0, help="select which USRP (0, 1, ...) default is %default", metavar="NUM") expert.add_option("", "--rx-freq", type="eng_float", default=None, help="set Rx frequency to FREQ [default=%default]", metavar="FREQ") expert.add_option( "-d", "--decim", type="intx", default=128, help="set fpga decimation rate to DECIM [default=%default]") expert.add_option( "", "--snr", type="eng_float", default=30, help="set the SNR of the channel in dB [default=%default]")
def main(): global n_rcvd, n_right n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right (pktno,) = struct.unpack('!H', payload[0:2]) n_rcvd += 1 if ok: n_right += 1 print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" % ( ok, pktno, n_rcvd, n_right) demods = digital.modulation_utils.type_1_demods() # Create Options Parser: parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), default='psk', help="Select modulation from: %s [default=%%default]" % (', '.join(demods.keys()),)) parser.add_option("","--from-file", default=None, help="input file of samples to demod") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in demods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph tb = my_top_block(demods[options.modulation], rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: Failed to enable realtime scheduling." tb.start() # start flow graph tb.wait() # wait for it to finish
def add_options(normal, expert): normal.add_option("", "--infile", type="string", help="select input file") normal.add_option("", "--outfile", type="string", help="select output file (raw)") normal.add_option("", "--txdata", type="string", help="source data file") normal.add_option("", "--rxdata", type="string", help="data file (demodulated)") normal.add_option( "", "--char", type="eng_float", default=0, metavar="CAMPL", help= "output is char data that should be scaled by CAMPL/128: [default=%default]" ) normal.add_option( "", "--snrdata", type="string", help="per packet snr data file (- print out, . scope out)") normal.add_option( "", "--snrmode", type="int", default=0, help= "0 - per symbol, 1 - per packet, 2 - per bin [default=%default]") normal.add_option("-v", "--verbose", action="store_true", default=False) normal.add_option("-W", "--bandwidth", type="eng_float", default=500e3, help="set symbol bandwidth [default=%default]") expert.add_option( "", "--log", action="store_true", default=False, help="Log all parts of flow graph to files (CAUTION: lots of data)" ) uhd_receiver.add_options(normal) #usrp2.add_options(normal) ofdm_rxtx.RX.add_options(normal, expert)
def main(): global n_rcvd, n_right n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right n_rcvd += 1 (pktno,) = struct.unpack('!H', payload[0:2]) if ok: n_right += 1 print "ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d" % (ok, pktno, n_rcvd, n_right) if 0: printlst = list() for x in payload[2:]: t = hex(ord(x)).replace('0x', '') if(len(t) == 1): t = '0' + t printlst.append(t) printable = ''.join(printlst) print printable print "\n" parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("","--discontinuous", action="store_true", default=False, help="enable discontinuous") parser.add_option("","--from-file", default=None, help="input file of samples to demod") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) (options, args) = parser.parse_args () if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph print options tb = my_top_block(rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph tb.wait() # wait for it to finish
def main(): source_file = open("sample_audio", 'r') def send_pkt(payload='', eof=False): (no,) = (struct.unpack('!H', payload[0:2])) print "sending packet %4d " % (no) return tb.txpath.send_pkt(payload, eof) def rx_callback(ok, payload): (no,) = (struct.unpack('!H', payload[0:2])) print "ok = %5s pktno = %4d " % ( ok, no) mods = digital.modulation_utils.type_1_mods() demods = digital.modulation_utils.type_1_demods() # Create Options Parser: parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(), default='psk', help="Select modulation from: %s [default=%%default]" % (', '.join(mods.keys()),)) parser.add_option("-s", "--size", type="eng_float", default=1500, help="set packet size [default=%default]") transmit_path.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in mods.values(): mod.add_options(expert_grp) for mod in demods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args () tb = my_top_block(mods[options.modulation], demods[options.modulation], rx_callback, options) pkt_size = int(options.size) data = source_file.read(pkt_size - 2) sequence_no = 0 tb.start() while data != '': payload = struct.pack('!H', sequence_no & 0xffff) + data send_pkt(payload) data = source_file.read(pkt_size - 2) sequence_no += 1 send_pkt(eof=True) tb.wait()
def add_options(normal, expert): """ Adds usrp-specific options to the Options Parser """ uhd_receiver.add_options(normal) add_freq_option(normal) normal.add_option("-R", "--rx-subdev-spec", type="subdev", default=None, help="select USRP Rx side A or B") normal.add_option( "", "--rx-gain", type="eng_float", default=None, metavar="GAIN", help="set receiver gain in dB [default=midpoint]. See also --show-rx-gain-range", ) normal.add_option( "", "--show-rx-gain-range", action="store_true", default=False, help="print min and max Rx gain available on selected daughterboard", ) normal.add_option("-v", "--verbose", action="store_true", default=False) # linklab, add options to specify which USRP to sue normal.add_option( "-w", "--which", type="int", default=0, help="select which USRP (0, 1, ...) default is %default", metavar="NUM", ) expert.add_option( "", "--rx-freq", type="eng_float", default=None, help="set Rx frequency to FREQ [default=%default]", metavar="FREQ", ) expert.add_option( "-d", "--decim", type="intx", default=128, help="set fpga decimation rate to DECIM [default=%default]" ) expert.add_option( "", "--snr", type="eng_float", default=30, help="set the SNR of the channel in dB [default=%default]" )
def add_options(normal, expert): normal.add_option("", "--infile", type="string", help="select input file") normal.add_option("", "--outfile", type="string", help="select output file (raw)") normal.add_option("", "--rxdata", type="string", help="data file (demodulated)") normal.add_option("-v", "--verbose", action="store_true", default=False) normal.add_option("-W", "--bandwidth", type="eng_float", default=1e6, help="set symbol bandwidth [default=%default]") expert.add_option("", "--log", action="store_true", default=False, help="Log all parts of flow graph to files (CAUTION: lots of data)") expert.add_option("", "--profile", action="store_true", default=False, help="enable gr-ctrlport to monitor performance") uhd_receiver.add_options(normal) ofdm_receive_path.add_options(normal, expert)
def add_options(normal, expert): """ Adds usrp-specific options to the Options Parser """ normal.add_option("", "--infile", type="string", help="select input file to TX from") normal.add_option ("-c", "--channel", type="eng_float", default=17, help="Set 802.15.4 Channel to listen on channel %default", metavar="FREQ") normal.add_option("-v", "--verbose", action="store_true", default=False) normal.add_option("-W", "--bandwidth", type="eng_float", default=4000e3, help="set symbol bandwidth [default=%default]") normal.add_option ("-t", "--threshold", type="int", default=-1) expert.add_option("", "--log", action="store_true", default=False, help="Log all parts of flow graph to files (CAUTION: lots of data)") uhd_receiver.add_options(normal)
def main(): global n_rcvd, n_right, start_time, stop_rcv TIMEOUT = 60 # 60sec for hurdle 2 n_rcvd = 0 n_right = 0 #start_time = 0 mstr_cnt = 0 #stop_rcv = 0 # Create Options Parser: parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-s", "--server", type="string", default='idb2', help="server hosting the packet server/sink") parser.add_option("-o", "--port", type="int", default='5125', help="packet sink tcp port") parser.add_option("-i", "--timeout", type="int", default='300',help='receive timeout(sec)') parser.add_option("","--from-file", default=None, help="input file of samples to demod") uhd_receiver.add_options(parser) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph tb = my_top_block(options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: Failed to enable realtime scheduling." tb.start() tb.wait() # wait for it to finish
def add_options(normal, expert_grp, channel_grp): mods = digital.modulation_utils.type_1_mods() for mod in mods.values(): mod.add_options(expert_grp) usrp_options.add_options(normal,expert_grp) uhd_transmitter.add_options(expert_grp) uhd_receiver.add_options(expert_grp) transmit_path.add_options(normal,expert_grp) receive_path.add_options(normal,expert_grp) channel_emulator.add_options(normal,channel_grp) expert_grp.add_option("","--use-whitener-offset", action="store_true", default=False, help="make sequential packets use different whitening") expert_grp.add_option("","--down-sample-rate", type="intx", default=1, help="Select the software down-sampling rate [default=%default]")
def add_options(normal, expert): normal.add_option("", "--rx-infile", type="string", help="select RX input file (raw)") normal.add_option("", "--rx-outfile", type="string", help="select RX output file (raw)") normal.add_option("", "--tx-outfile", type="string", default=None, help="select TX output file (raw)") normal.add_option("-W", "--bandwidth", type="eng_float", default=1e6, help="set symbol bandwidth [default=%default]") normal.add_option("", "--tx-amplitude", type="eng_float", default=0.1, metavar="AMPL", help="set transmitter digital amplitude: 0 <= AMPL < 1.0 [default=%default]") expert.add_option("-v", "--verbose", action="store_true", default=False) expert.add_option("", "--profile", action="store_true", default=False, help="enable ctrlport_monitor and ctrlport_monitor_performance") expert.add_option("", "--logfile", action="store_true", default=False, help="log all usrp samples") uhd_transmitter.add_options(normal) uhd_receiver.add_options(normal) transmit_path.ofdm_transmit_path.add_options(normal, expert) receive_path.ofdm_receive_path.add_options(normal, expert)
def main(): parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") uhd_transmitter.add_options(parser) uhd_receiver.add_options(parser) (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() sys.exit(1) # build the graph tb = my_top_block(options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.run()
def main(): # Create Options Parser: parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") uhd_receiver.add_options(parser) uhd_transmitter.add_options(parser) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) # build the graph tb = my_top_block(options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: Failed to enable realtime scheduling." tb.start() # start flow graph tb.wait() # wait for it to finish
def main(): global n_rcvd, n_right n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right n_rcvd += 1 (pktno,) = struct.unpack('!H', payload[0:2]) if ok: n_right += 1 print "ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d" % (ok, pktno, n_rcvd, n_right) parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) (options, args) = parser.parse_args () # build the graph tb = my_top_block(rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph tb.wait() # wait for it to finish
def add_options(normal, expert): normal.add_option("", "--infile", type="string", help="select input file") normal.add_option("", "--outfile", type="string", help="select output file (raw)") normal.add_option("", "--txdata", type="string", help="source data file") normal.add_option("", "--rxdata", type="string", help="data file (demodulated)") normal.add_option("", "--char", type="eng_float", default=0, metavar="CAMPL", help="output is char data that should be scaled by CAMPL/128: [default=%default]") normal.add_option("", "--snrdata", type="string", help="per packet snr data file (- print out, . scope out)") normal.add_option("", "--snrmode", type="int", default=0, help="0 - per symbol, 1 - per packet, 2 - per bin [default=%default]") normal.add_option("-v", "--verbose", action="store_true", default=False) normal.add_option("-W", "--bandwidth", type="eng_float", default=500e3, help="set symbol bandwidth [default=%default]") expert.add_option("", "--log", action="store_true", default=False, help="Log all parts of flow graph to files (CAUTION: lots of data)") uhd_receiver.add_options(normal) #usrp2.add_options(normal) ofdm_rxtx.RX.add_options(normal, expert)
def main(): parser = OptionParser(option_class=eng_option, conflict_handler="resolve") parser.add_option( "", "--vr-configuration", type="string", default=None, help= "Default configuration for VR RX (matches the configuration of TX) [default=%default]" ) parser.add_option( "", "--from-file", type="string", default=None, help="Specify a file source if USRP is not used [default=%default]") radio_lte.add_options(parser) radio_nbiot.add_options(parser) uhd_receiver.add_options(parser) (options, args) = parser.parse_args() if options.vr_configuration not in bc.VIRTUAL_RADIO: print("Invalid virtual radios. Valid radios are: %s" % (",".join(bc.VIRTUAL_RADIO))) return 1 def generic_rx_callback(ok, payload): (pktno, ) = struct.unpack('!H', payload[0:2]) print "ok: %r \t pktno: %d \t len: %d, \t timestamp: %f" % ( ok, pktno, len(payload).time.time()) # build the graph tb = my_top_block(generic_rx_callback, options) tb.start() # start flow graph tb.wait() # wait for it to finish
def main(): global n_rcvd, n_right, start_time, start, once once = 1 n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right try: (pktno, ) = struct.unpack('!H', payload[0:2]) data = payload[2:] n_rcvd += 1 if ok: n_right += 1 if options.server: sock.sendall(data) current = time.time() - start except: print "except" #print "current time = %f ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" % (current, ok, pktno, n_rcvd, n_right) omlDb.inject("packets", ("received", n_rcvd)) omlDb.inject("packets", ("correct", n_right)) demods = digital.modulation_utils.type_1_demods() # Create Options Parser: parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), default='gfsk', help="Select modulation from: %s [default=%%default]" % (', '.join(demods.keys()), )) parser.add_option("", "--from-file", default=None, help="input file of samples to demod") parser.add_option("-E", "--exp-id", type="string", default="test", help="specify the experiment ID") parser.add_option("-N", "--node-id", type="string", default="rx", help="specify the experiment ID") parser.add_option("", "--server", action="store_true", default=False, help="To take data from the server") parser.add_option("", "--port", type="int", default=None, help="specify the server port") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in demods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args() omlDb = OMLBase("gnuradiorx", options.exp_id, options.node_id, "tcp:nitlab3.inf.uth.gr:3003") omlDb.addmp("packets", "type:string value:long") omlDb.start() if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # connect to server if options.server: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # server_address = ('10.0.1.200', 50001) server_address = ('10.0.1.200', options.port) print >> sys.stderr, 'connecting to %s port %s' % server_address sock.connect(server_address) # build the graph tb = my_top_block(demods[options.modulation], rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: Failed to enable realtime scheduling." tb.start() # start flow graph start = time.time() while 1: current = time.time() - start if current >= 5: symbol_rate = options.bitrate / demods[options.modulation]( **args).bits_per_symbol() tb.source.set_sample_rate(symbol_rate, options.samples_per_symbol) options.rx_freq += 0.75e6 tb.source.set_freq(options.rx_freq, options.lo_offset) break #print "FROM OPTIONS.........", tb.source._freq tb.wait() # wait for it to finish if options.server: sock.close()
def main(): mods = digital.modulation_utils.type_1_mods() demods = digital.modulation_utils.type_1_demods() parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(), default='gmsk', help="Select modulation from: %s [default=%%default]" % (', '.join(mods.keys()),)) parser.add_option("-s", "--size", type="eng_float", default=1500, help="set packet size [default=%default]") parser.add_option("-v","--verbose", action="store_true", default=False) expert_grp.add_option("-c", "--carrier-threshold", type="eng_float", default=30, help="set carrier detect threshold (dB) [default=%default]") expert_grp.add_option("","--tun-device-filename", default="/dev/net/tun", help="path to tun device file [default=%default]") transmit_path.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) uhd_transmitter.add_options(parser) for mod in mods.values(): mod.add_options(expert_grp) for demod in demods.values(): demod.add_options(expert_grp) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) # open the TUN/TAP interface (tun_fd, tun_ifname) = open_tun_interface(options.tun_device_filename) # Attempt to enable realtime scheduling r = gr.enable_realtime_scheduling() if r == gr.RT_OK: realtime = True else: realtime = False print "Note: failed to enable realtime scheduling" # instantiate the MAC mac = cs_mac(tun_fd, verbose=True) # build the graph (PHY) tb = my_top_block(mods[options.modulation], demods[options.modulation], mac.phy_rx_callback, options) mac.set_top_block(tb) # give the MAC a handle for the PHY if tb.txpath.bitrate() != tb.rxpath.bitrate(): print "WARNING: Transmit bitrate = %sb/sec, Receive bitrate = %sb/sec" % ( eng_notation.num_to_str(tb.txpath.bitrate()), eng_notation.num_to_str(tb.rxpath.bitrate())) print "modulation: %s" % (options.modulation,) print "freq: %s" % (eng_notation.num_to_str(options.tx_freq)) print "bitrate: %sb/sec" % (eng_notation.num_to_str(tb.txpath.bitrate()),) print "samples/symbol: %3d" % (tb.txpath.samples_per_symbol(),) tb.rxpath.set_carrier_threshold(options.carrier_threshold) print "Carrier sense threshold:", options.carrier_threshold, "dB" print print "Allocated virtual ethernet interface: %s" % (tun_ifname,) print "You must now use ifconfig to set its IP address. E.g.," print print " $ sudo ifconfig %s 192.168.200.1" % (tun_ifname,) print print "Be sure to use a different address in the same subnet for each machine." print tb.start() # Start executing the flow graph (runs in separate threads) mac.main_loop() # don't expect this to return... tb.stop() # but if it does, tell flow graph to stop. tb.wait() # wait for it to finish
def main(): parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option( "-m", "--modulation", type="choice", choices=['bpsk', 'qpsk'], default='bpsk', help="Select modulation from: bpsk, qpsk [default=%%default]") parser.add_option("-v", "--verbose", action="store_true", default=False) expert_grp.add_option( "-c", "--carrier-threshold", type="eng_float", default=30, help="set carrier detect threshold (dB) [default=%default]") expert_grp.add_option( "", "--snr", type="eng_float", default=30, help="set the SNR of the channel in dB [default=%default]") digital.ofdm_mod.add_options(parser, expert_grp) digital.ofdm_demod.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) uhd_transmitter.add_options(parser) (options, args) = parser.parse_args() if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.rx_freq is None or options.tx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # Attempt to enable realtime scheduling r = gr.enable_realtime_scheduling() if r == gr.RT_OK: realtime = True else: realtime = False print "Note: failed to enable realtime scheduling" # instantiate the MAC mac = cs_mac(verbose=True) # build the graph (PHY) tb = my_top_block(mac.phy_rx_callback, mac.fwd_callback, options) mac.set_flow_graph(tb) # give the MAC a handle for the PHY print "modulation: %s" % (options.modulation, ) print "freq: %s" % (eng_notation.num_to_str(options.tx_freq)) tb.rxpath.set_carrier_threshold(options.carrier_threshold) print "Carrier sense threshold:", options.carrier_threshold, "dB" tb.start() # Start executing the flow graph (runs in separate threads) mac.main_loop() # don't expect this to return... tb.stop() # but if it does, tell flow graph to stop. tb.wait() # wait for it to finish
def main(): parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option( "-m", "--modulation", type="choice", choices=['bpsk', 'qpsk'], default='bpsk', help="Select modulation from: bpsk, qpsk [default=%%default]") parser.add_option("-v", "--verbose", action="store_true", default=False) expert_grp.add_option( "-c", "--carrier-threshold", type="eng_float", default=30, help="set carrier detect threshold (dB) [default=%default]") expert_grp.add_option("", "--tun-device-filename", default="/dev/net/tun", help="path to tun device file [default=%default]") digital.ofdm_mod.add_options(parser, expert_grp) digital.ofdm_demod.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) uhd_transmitter.add_options(parser) (options, args) = parser.parse_args() if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) ''' if options.rx_freq is None or options.tx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) ''' # open the TUN/TAP interface (tun_fd, tun_ifname) = open_tun_interface(options.tun_device_filename) tun_config(tun_ifname) # Attempt to enable realtime scheduling r = gr.enable_realtime_scheduling() if r == gr.RT_OK: realtime = True else: realtime = False print "Note: failed to enable realtime scheduling" # instantiate the MAC mac = cs_mac(tun_fd, verbose=True) # build the graph (PHY) options.bandwidth = BAND_USRP options.tx_freq = TXFREQ_USRP options.rx_freq = RXFREQ_USRP options.args = ADDR_USRP tb = my_top_block(mac.phy_rx_callback, options) mac.set_flow_graph(tb) # give the MAC a handle for the PHY print "modulation: %s" % (options.modulation, ) print "freq: %s" % (eng_notation.num_to_str(options.tx_freq)) tb.rxpath.set_carrier_threshold(options.carrier_threshold) print "Carrier sense threshold:", options.carrier_threshold, "dB" print print "Allocated virtual ethernet interface: %s" % (tun_ifname, ) print "You must now use ifconfig to set its IP address. E.g.," print print " $ sudo ifconfig %s 192.168.200.1" % (tun_ifname, ) print print "Be sure to use a different address in the same subnet for each machine." print tb.start() # Start executing the flow graph (runs in separate threads) threading.Thread(target=mac.arq_fsm).start() # mac.main_loop() # don't expect this to return... # tb.stop() # but if it does, tell flow graph to stop. tb.wait() # wait for it to finish
def main(): def rx_callback(ok, payload): global pktno, pktno_receive if ok: #if payload[0] == 'B': # print '\t'+"receiving beacon" + payload[0:] if payload[0] == 'A': #ack from beacon myPay.pause() myPay.type = 1 myPay.restart() #print '\t'+"receiving ack from beacon" ''' elif payload[0] == 'a': #ack from data myPay.pause() for n in range(1,4): pktno_receive = pktno_receive + payload[n] if pktno == int(pktno_receive): myPay.retry = 0 else: myPay.retry = 1 myPay.restart() print '\t'+"receiving ack from data" + payload[1:4] elif payload[0] == 'F': print "missino completed" ''' #print "\n" parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("", "--discontinuous", action="store_true", default=True, help="enable discontinuous") parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, help="set megabytes to transmit [default=%default]") parser.add_option("", "--from-file", default=None, help="input file of samples to demod") parser.add_option("-s", "--size", type="eng_float", default=400, help="set packet size [default=%default]") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) digital.ofdm_mod.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) (options, args) = parser.parse_args() if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph(PHY) tb = my_top_block(rx_callback, options) lock = threading.Lock() myPay = payload_mgr(tb, lock, "thread", datetime.datetime.now(), "source_file") myPay.start() r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph while True: #???bout.waitime = -1 #global rx_callback_enable, trans_status, get_ack, randombackoff, ttRB, difscount, DIFS #trans_status = 0 #at the new frame, start with a beacon #rx_callback_enable = 0 time.sleep(0.499) myPay.query_database() myPay.pause() time.sleep(0.001) detection = myPay.feature_detect myPay.reset() myPay.notification_for_primary(detection) myPay.pause() myPay.reset() myPay.startSlot = datetime.datetime.now() myPay.restart() #??? time.sleep(0.010) #wait 10ms to detect #??? FreCtrl.printSpace() feel that is not necessary #print "ack status=", get_ack #if (tb.rxpath.variable_function_probe_0 == 0): #frequency assigned by controller # print "TV is absent... start..." #???bout.set_waitime() # rx_callback_enable = 1 #the right timing to receive #time.sleep(hop_interval/1000) #else: # print "TV is present...wait..." # FreCtrl.set_frequency(tb) #???rx_callback_enable = not bool(tb.rxpath.variable_function_probe_0) ''' nbytes = int(1e6 * options.megabytes) n = 0 pktno = 0 pkt_size = int(options.size) data1 = 97 print pkt_size while n < nbytes: if options.from_file is None: data = (pkt_size - 2) * chr(pktno & 0xff) else: data = source_file.read(pkt_size - 2) if data == '': break; payload = struct.pack('!H', pktno & 0xffff) + chr(data1) print "sending" + chr(data1) send_pkt(payload) data1 = data1 + 1 if data1 == 123: data1 = 97 #n += len(payload) sys.stderr.write('.') #time.sleep(1) #if options.discontinuous and pktno % 5 == 4: # time.sleep(1) pktno += 1 ''' send_pkt(eof=True)
def main(): global n_rcvd, n_right, v_frame, mean_delta, next_tx_ts, stop_rx_ts, ps_end_ts, alloc_index, vf_index,\ listen_only_to n_rcvd = 0 n_right = 0 mean_delta = 0 next_tx_ts = 0 stop_rx_ts = 0 ps_end_ts = 0 alloc_index = -1 vf_index = -1 listen_only_to = [] wrong_pktno = 0xFF00 v_frame = '' vf_len = 8 ps_model = PerfectScheme(PacketType.PS_BROADCAST.index, PacketType.PS_PKT.index, NODE_SLOT_TIME) vfs_model = VirtualFrameScheme(PacketType.VFS_BROADCAST.index, PacketType.VFS_PKT.index, NODE_SLOT_TIME) def send_beacon_pkt(my_tb, pkt_size, pkt_no): # BS only # payload = prefix + now + beacon + dummy payload_prefix = struct.pack('!H', pkt_no & 0xffff) beacon = struct.pack('!H', PacketType.BEACON.index & 0xffff) data_size = len(payload_prefix) + TIMESTAMP_LEN + len(beacon) dummy = (pkt_size - data_size) * chr(pkt_no & 0xff) now_timestamp = my_tb.sink.get_time_now().get_real_secs() now_timestamp_str = '{:.3f}'.format(now_timestamp) payload = payload_prefix + now_timestamp_str + beacon + dummy my_tb.txpath.send_pkt(payload) logger.info("{} broadcast BEACON - {}".format( str(datetime.fromtimestamp(now_timestamp)), pkt_no)) # Deprecated # def send_resp_beacon_pkt(my_tb, pkt_size, pkt_no): # Node only # # payload = prefix + now + respond_beacon + node_id + dummy # # payload_prefix = struct.pack('!H', pkt_no & 0xffff) # respond_beacon = struct.pack('!H', PacketType.RESPOND_BEACON.index & 0xffff) # data_size = len(payload_prefix) + TIMESTAMP_LEN + len(respond_beacon) + NODE_ID_LEN # dummy = (pkt_size - data_size) * chr(pkt_no & 0xff) # now_timestamp = my_tb.sink.get_time_now().get_real_secs() # now_timestamp_str = '{:.3f}'.format(now_timestamp) # payload = payload_prefix + now_timestamp_str + respond_beacon + NODE_ID + dummy # my_tb.txpath.send_pkt(payload) # logger.info("{} send RESPOND_BEACON - {}".format(str(datetime.fromtimestamp(now_timestamp)), pkt_no)) # # # TODO: how to track rtt? # # Keep rtt_list size limit # rtt_list.append(now_timestamp) # if len(rtt_list) > MAX_RTT_AMT: # rtt_list.pop(0) def do_every_beacon(interval, _send_pkt_func, my_tb, pkt_size, max_pkt_amt, iteration=1): # For other functions to check these variables global my_thread, my_iteration my_iteration = iteration if iteration < max_pkt_amt: # my_thread = threading.Timer(interval, do_every_beacon, # [interval, _send_pkt_func, my_tb, pkt_amt, 0 # if iteration == 0 else iteration + 1]) my_thread = threading.Timer(interval, do_every_beacon, [ interval, _send_pkt_func, my_tb, pkt_size, max_pkt_amt, max_pkt_amt if iteration >= max_pkt_amt else iteration + 1 ]) my_thread.start() # execute func _send_pkt_func(my_tb, pkt_size, iteration) def do_every_protocol_bs(interval, _send_pkt_func, my_tb, pkt_size, node_amt, max_pkt_amt, iteration=1): # For other functions to check these variables global my_thread, my_iteration my_iteration = iteration if iteration < max_pkt_amt: my_thread = threading.Timer(interval, do_every_protocol_bs, [ interval, _send_pkt_func, my_tb, pkt_size, node_amt, max_pkt_amt, max_pkt_amt if iteration >= max_pkt_amt else iteration + 1 ]) my_thread.start() # execute func _send_pkt_func(my_tb, pkt_size, node_amt, iteration) def do_every_protocol_node(interval, _send_pkt_func, node_id, my_tb, pkt_size, node_data, max_pkt_amt, iteration=1): # For other functions to check these variables global my_thread, my_iteration my_iteration = iteration if iteration < max_pkt_amt: my_thread = threading.Timer(interval, do_every_protocol_node, [ interval, _send_pkt_func, node_id, my_tb, pkt_size, node_data, max_pkt_amt, max_pkt_amt if iteration >= max_pkt_amt else iteration + 1 ]) my_thread.start() # execute func _send_pkt_func(node_id, my_tb, pkt_size, node_data, iteration) def rx_bs_callback(ok, payload): # For BS global n_rcvd, n_right, mean_delta, next_tx_ts, stop_rx_ts, nodes_sync_delta, listen_only_to n_rcvd += 1 (pktno, ) = struct.unpack('!H', payload[0:2]) # Filter out incorrect pkt if pktno >= wrong_pktno: logger.warning("wrong pktno {}. Drop pkt!".format(pktno)) return try: pkt_timestamp_str = payload[2:2 + TIMESTAMP_LEN] pkt_timestamp = float(pkt_timestamp_str) except: logger.warning("Timestamp {} is not a float. Drop pkt!".format( pkt_timestamp_str)) return now_timestamp = rx_tb.source.get_time_now().get_real_secs() # now_timestamp_str = '{:.3f}'.format(now_timestamp) delta = now_timestamp - pkt_timestamp # +ve: Node earlier; -ve: BS earlier if not -5 < delta < 5: logger.warning( "Delay out-of-range: {}, timestamp {}. Drop pkt!".format( delta, pkt_timestamp_str)) return (pkt_type, ) = struct.unpack( '!H', payload[2 + TIMESTAMP_LEN:2 + TIMESTAMP_LEN + 2]) # if pkt_type not in [PacketType.RESPOND_BEACON.index, PacketType.PS_PKT.index]: if pkt_type not in [PacketType.PS_PKT.index, PacketType.VFS_PKT.index]: logger.warning("Invalid pkt_type {}. Drop pkt!".format(pkt_type)) return if listen_only_to and pkt_type not in listen_only_to: str_listen_only_to = [PacketType[x].key for x in listen_only_to] logger.warning( "Interest only in pkt_type {}, not {}. Drop pkt!".format( str_listen_only_to, PacketType[pkt_type].key)) return # Deprecated # if pkt_type == PacketType.RESPOND_BEACON.index: # node_id = payload[2+TIMESTAMP_LEN+2:2+TIMESTAMP_LEN+2+NODE_ID_LEN] # if nodes_sync_delta.get(node_id) is None: # nodes_sync_delta[node_id] = [] # nodes_sync_delta[node_id].append(delta) # # Keep nodes_sync_delta in size limit # if len(nodes_sync_delta[node_id]) > MAX_DELTA_AMT: # nodes_sync_delta[node_id].pop(0) # mean_delta = numpy.mean(nodes_sync_delta[node_id]) # # next_tx_ts = now_timestamp + 0.5 - COMMAND_DELAY # # logger.info("{} BS recv RESPOND_BEACON from node {}. Node time: {}, Avg delay: {}".format( # str(datetime.fromtimestamp(now_timestamp)), node_id, str(datetime.fromtimestamp(pkt_timestamp)), # mean_delta)) # # logger.debug("Node {} len {} {}".format(node_id, len(nodes_sync_delta[node_id]), nodes_sync_delta[node_id])) # # logger.debug("Node {}: {}".format(node_id, nodes_sync_delta[node_id])) # return if pkt_type == PacketType.PS_PKT.index: for i, tpl in enumerate(ps_model.nodes_expect_time): node_id, begin_at, end_at = tpl if begin_at <= now_timestamp <= end_at: logger.info( "{} ({}) [Slot {}: Node {} Session] BS recv PS_PKT {}, data: {}" .format(str(datetime.fromtimestamp(now_timestamp)), now_timestamp, i, node_id, pktno, ps_model.get_node_data(payload))) return logger.info( "{} ({}) [No slot/session] BS recv PS_PKT {}, data: {}".format( str(datetime.fromtimestamp(now_timestamp)), now_timestamp, pktno, ps_model.get_node_data(payload))) # Last timestamp for PS_PKT session #next_tx_ts = ps_model.nodes_expect_time[-1][-1] + 0.2 # add some delay return if pkt_type == PacketType.VFS_PKT.index: for i, tpl in enumerate(vfs_model.nodes_expect_time): node_id, begin_at, end_at = tpl if begin_at <= now_timestamp <= end_at: logger.info( "{} ({}) [Slot {}: Node {} Session] BS recv VFS_PKT {}, data: {}" .format(str(datetime.fromtimestamp(now_timestamp)), now_timestamp, i, node_id, pktno, vfs_model.get_node_data(payload))) return logger.info( "{} ({}) [No slot/session] BS recv VFS_PKT {}, data: {}". format(str(datetime.fromtimestamp(now_timestamp)), now_timestamp, pktno, vfs_model.get_node_data(payload))) # Last timestamp for VFS_PKT session #next_tx_ts = vfs_model.nodes_expect_time[-1][-1] + 0.2 # add some delay return def rx_node_callback(ok, payload): # For Node global n_rcvd, n_right, mean_delta, next_tx_ts, stop_rx_ts, ps_end_ts, alloc_index, vf_index, \ listen_only_to n_rcvd += 1 (pktno, ) = struct.unpack('!H', payload[0:2]) # Filter out incorrect pkt if pktno >= wrong_pktno: logger.warning("Wrong pktno {}. Drop pkt!".format(pktno)) return try: pkt_timestamp_str = payload[2:2 + TIMESTAMP_LEN] pkt_timestamp = float(pkt_timestamp_str) except: logger.warning("Timestamp {} is not a float. Drop pkt!".format( pkt_timestamp_str)) return now_timestamp = rx_tb.source.get_time_now().get_real_secs() # now_timestamp_str = '{:.3f}'.format(now_timestamp) delta = now_timestamp - pkt_timestamp # +ve: BS earlier; -ve: Node earlier if not -5 < delta < 5: logger.warning( "Delay out-of-range: {}, timestamp {}. Drop pkt!".format( delta, pkt_timestamp_str)) return (pkt_type, ) = struct.unpack( '!H', payload[2 + TIMESTAMP_LEN:2 + TIMESTAMP_LEN + 2]) if pkt_type not in [ PacketType.BEACON.index, PacketType.ACK_RESPOND.index, PacketType.PS_BROADCAST.index, PacketType.VFS_BROADCAST.index ]: logger.warning("Invalid pkt_type {}. Drop pkt!".format(pkt_type)) return if listen_only_to and pkt_type not in listen_only_to: str_listen_only_to = [PacketType[x].key for x in listen_only_to] logger.warning( "Interest only in pkt_type {}, not {}. Drop pkt!".format( str_listen_only_to, PacketType[pkt_type].key)) return if pkt_type == PacketType.BEACON.index: delta_list.append(delta) # Keep delta_list in size limit if len(delta_list) > MAX_DELTA_AMT: delta_list.pop(0) mean_delta = numpy.mean(delta_list) # mean_delta_str = '{:07.3f}'.format(delta) # Adjust time if needed if not -0.05 <= mean_delta <= 0.05: rx_tb.source.set_time_now(uhd.time_spec(pkt_timestamp)) now_timestamp = rx_tb.source.get_time_now().get_real_secs() logger.info("Adjust time... New time: {}".format( str(datetime.fromtimestamp(now_timestamp)))) stop_rx_ts = now_timestamp + 0.5 - COMMAND_DELAY # Hack: for RX2400 if pktno >= MAX_PKT_AMT - 10: stop_rx_ts -= 0.3 logger.info( "{} Node recv BEACON {}. BS time: {}, Avg delay: {}".format( str(datetime.fromtimestamp(now_timestamp)), pktno, str(datetime.fromtimestamp(pkt_timestamp)), mean_delta)) # logger.debug("stop_rx_ts {}".format(str(datetime.fromtimestamp(stop_rx_ts)))) return if pkt_type == PacketType.PS_BROADCAST.index: node_amount = ps_model.get_node_amount(payload) seed = ps_model.get_seed(payload) alloc_index = ps_model.compute_alloc_index(node_amount, NODE_ID, seed) try: begin_timestamp_str = ps_model.get_begin_time_str(payload) begin_timestamp = float(begin_timestamp_str) except: logger.warning( "begin_timestamp {} is not a float. Drop pkt!".format( begin_timestamp_str)) return stop_rx_ts = now_timestamp + 0.4 # TODO: Duo to various delays, adjust a bit to before firing round up second next_tx_ts = begin_timestamp + (NODE_SLOT_TIME * alloc_index) - TRANSMIT_DELAY # Each node time slot at NODE_SLOT_TIME seconds ps_end_ts = begin_timestamp + (NODE_SLOT_TIME * node_amount) logger.info( "{} Node recv PS_BROADCAST {}, BS time {}, Total {}, Seed {}, Index {}, Delay {}" .format(str(datetime.fromtimestamp(now_timestamp)), pktno, str(datetime.fromtimestamp(pkt_timestamp)), node_amount, seed, alloc_index, delta)) # logger.debug("begin {}, stop_rx_ts {}, next_tx_ts {}, ps_end_ts {}".format( # str(datetime.fromtimestamp(begin_timestamp)), str(datetime.fromtimestamp(stop_rx_ts)), # str(datetime.fromtimestamp(next_tx_ts)), str(datetime.fromtimestamp(ps_end_ts)))) return if pkt_type == PacketType.VFS_BROADCAST.index: node_amount = vfs_model.get_node_amount(payload) seed = ps_model.get_seed(payload) try: begin_timestamp_str = vfs_model.get_begin_time_str(payload) begin_timestamp = float(begin_timestamp_str) except: logger.warning( "begin_timestamp {} is not a float. Drop pkt!".format( begin_timestamp_str)) return try: v_frame = vfs_model.get_v_frame(payload) except: logger.warning("Cannot extract v-frame. Drop pkt!") return vf_index = vfs_model.compute_vf_index(len(v_frame), NODE_ID, seed) alloc_index, in_rand_frame = vfs_model.compute_alloc_index( vf_index, NODE_ID, v_frame, node_amount) stop_rx_ts = now_timestamp + 0.4 # TODO: Duo to various delays, adjust a bit to before firing round up second next_tx_ts = begin_timestamp + (NODE_SLOT_TIME * alloc_index) - TRANSMIT_DELAY logger.info( "{} Node recv VFS_BROADCAST {}, BS time {}, Total {}, Seed {}, Delay {}, " "\nv-frame index: {}, alloc-index: {}, fall to rand-frame: {}," "\nv-frame: {}".format( str(datetime.fromtimestamp(now_timestamp)), pktno, str(datetime.fromtimestamp(pkt_timestamp)), node_amount, seed, delta, vf_index, alloc_index, in_rand_frame, v_frame)) # logger.debug("begin {}, stop_rx_ts {}, next_tx_ts {}".format( # str(datetime.fromtimestamp(begin_timestamp)), str(datetime.fromtimestamp(stop_rx_ts)), # str(datetime.fromtimestamp(next_tx_ts)))) return def fire_at_absolute_second(): for i in range(10000): check_time = tx_tb.sink.get_time_now().get_real_secs() pivot_time = math.ceil(check_time) variance = pivot_time - check_time if -0.0002 < variance < 0.0002: logger.info("Fire at absolute {}".format( str(datetime.fromtimestamp(check_time)))) break time.sleep(0.0001) def usrp_sleep(interval_sec): wake_up_timestamp = tx_tb.sink.get_time_now().get_real_secs( ) + interval_sec for i in range(50000): now_timestamp = tx_tb.sink.get_time_now().get_real_secs() if now_timestamp >= wake_up_timestamp: break time.sleep(0.0001) def fire_at_expected_time(start_time): for i in range(50000): now_timestamp = tx_tb.sink.get_time_now().get_real_secs() if now_timestamp >= start_time: logger.info("Fire at {}".format( str(datetime.fromtimestamp(now_timestamp)))) return time.sleep(0.0001) logger.warning("ALERT!! not fire at {}".format( str(datetime.fromtimestamp(start_time)))) def check_thread_is_done(max_pkt_amt): for i in range(10000): if not my_thread.is_alive() and my_iteration >= max_pkt_amt: now_ts = tx_tb.sink.get_time_now().get_real_secs() logger.debug("{} - thread done - ".format( str(datetime.fromtimestamp(now_ts)))) return time.sleep(0.0001) now_ts = tx_tb.sink.get_time_now().get_real_secs() logger.debug("ALERT!! thread timeout at {}".format( str(datetime.fromtimestamp(now_ts)))) ####################################### # main ####################################### parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-s", "--size", type="eng_float", default=400, help="set packet size [default=%default]") parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, help="set megabytes to transmit [default=%default]") parser.add_option("", "--discontinuous", action="store_true", default=False, help="enable discontinuous mode") parser.add_option("", "--from-file", default=None, help="use intput file for packet contents") parser.add_option("", "--to-file", default=None, help="Output file for modulated samples") # Add unused log_file option to prevent 'no such option' error parser.add_option("", "--logfile", default=None) parser.add_option("", "--scheme", default=None) digital.ofdm_mod.add_options(parser, expert_grp) digital.ofdm_demod.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) uhd_receiver.add_options(parser) (options, args) = parser.parse_args() if len(args) != 0: logger.error("Parse error: {}\n".format(sys.stderr)) sys.exit(1) logger.info("----------------------------------------------------------") logger.info("Input options: \n{}".format(str(options))) logger.info("----------------------------------------------------------\n") if options.rx_freq is None or options.tx_freq is None: logger.error("You must specify -f FREQ or --freq FREQ\n") sys.exit(1) if options.scheme is None: logger.error("You must specify --scheme SCHEME\n") sys.exit(1) options.scheme = options.scheme.upper() if options.scheme not in [str(e) for e in list(Scheme)]: logger.error("Not support scheme: {}\n".format(options.scheme)) sys.exit(1) # Decide is BS or Node role IS_BS_ROLE = not bool(options.args) # build tx/rx tables tx_tb = TxTopBlock(options) if IS_BS_ROLE: rx_tb = RxTopBlock(rx_bs_callback, options) else: # Node role rx_tb = RxTopBlock(rx_node_callback, options) # Use device serial number as Node ID NODE_ID = tx_tb.sink.get_usrp_mboard_serial() # Append to required length NODE_ID = NODE_ID.zfill(NODE_ID_LEN) assert len( NODE_ID) == NODE_ID_LEN, "USRP NODE_ID {} len must be {}".format( NODE_ID, NODE_ID_LEN) logger.info("\nNODE ID: {}".format(NODE_ID)) logger.info("\nClock Rate: {} MHz".format(tx_tb.sink.get_clock_rate() / 1000000)) logger.info("\n####### Test Protocol: {} #######".format(options.scheme)) if IS_BS_ROLE: logger.info("\nPresume known nodes: {}".format(TEST_NODE_LIST)) # USRP device aligns with PC time (NTP) pc_now = time.time() tx_tb.sink.set_time_now(uhd.time_spec(pc_now)) now_ts = tx_tb.sink.get_time_now().get_real_secs() logger.info("\n{} Adjust to PC time: {}\n".format( str(datetime.fromtimestamp(time.time())), str(datetime.fromtimestamp(now_ts)))) # now_ts2 = rx_tb.source.get_time_now().get_real_secs() # sys_time = uhd.time_spec.get_system_time().get_real_secs() # logger.debug("\n{} Time alignment... Device txtime: {}, rxtime: {}, system time: {}\n".format( # str(datetime.fromtimestamp(time.time())), str(datetime.fromtimestamp(get_time)), # str(datetime.fromtimestamp(now_ts2)), str(datetime.fromtimestamp(sys_time)))) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: logger.error("Warning: failed to enable realtime scheduling") pkt_size = int(options.size) tx_tb.start() rx_tb.start() for y in range(REPEAT_TEST_COUNT): logger.info( "\n\n=============================================================================================" ) logger.info( "========================================== ROUND {} ==========================================" .format(y + 1)) logger.info( "=============================================================================================\n\n" ) ##################### SYNC : START ##################### if IS_BS_ROLE: ################# BS ################# _sync_start = tx_tb.sink.get_time_now().get_real_secs() sync_counts = 2 for z in range(sync_counts): # Note: TX cannot be lock initially if z == 0 and y == 0: rx_tb.lock() else: tx_tb.unlock() logger.info("------ Broadcast Beacon ------") _start = tx_tb.sink.get_time_now().get_real_secs() # BS: Send beacon signals. Time precision thread do_every_beacon(0.005, send_beacon_pkt, tx_tb, pkt_size, MAX_PKT_AMT) # Clocking thread check_thread_is_done(MAX_PKT_AMT) _end = rx_tb.source.get_time_now().get_real_secs() logger.info(" - duration {} -".format(_end - _start)) logger.info("------ Broadcast Beacon end --------") tx_tb.lock() # sleep longer in last loop, finishing sync cycle sleep_sec = 0.5 if z == sync_counts - 1 else 0.2 logger.info("Sleep for {} second\n".format(sleep_sec)) usrp_sleep(sleep_sec) logger.info(" - Sync duration {} -\n".format( rx_tb.source.get_time_now().get_real_secs() - _sync_start)) # # Deprecated. PROF TSENG: No need response-beacon, might cause collision # rx_tb.unlock() # logger.info("------ Listening ------") # next_tx_ts = 0 # reset next_tx # while next_tx_ts == 0 or next_tx_ts > now_ts: # time.sleep(0.01) # now_ts = rx_tb.source.get_time_now().get_real_secs() # # logger.debug("now {} next {}".format(str(datetime.fromtimestamp(now_ts)), str(datetime.fromtimestamp(next_tx_ts)))) # logger.info("------ Stop listen at {} ------".format(str(datetime.fromtimestamp(now_ts)))) # rx_tb.lock() ################ BS end ############## else: ################ Node ################ # Note: TX cannot be lock initially if y != 0: rx_tb.unlock() logger.info("------ Listening ------") stop_rx_ts = 0 # reset while stop_rx_ts == 0 or stop_rx_ts > now_ts: time.sleep(0.01) now_ts = rx_tb.source.get_time_now().get_real_secs() # logger.debug("now {} next {}".format(str(datetime.fromtimestamp(now_ts)), str(datetime.fromtimestamp(stop_rx_ts)))) rx_tb.lock() logger.info("------ Stop listen at {} ------".format( str(datetime.fromtimestamp(now_ts)))) # Deprecated. PROF TSENG: No need response-beacon, might cause collision # for z in range(2): # # if z != 0: # rx_tb.unlock() # logger.info("------ Listening ------") # next_tx_ts = 0 # reset next_tx # while next_tx_ts == 0 or next_tx_ts > now_ts: # time.sleep(0.01) # now_ts = rx_tb.source.get_time_now().get_real_secs() # # logger.debug("now {} next {}".format(str(datetime.fromtimestamp(now_ts)), str(datetime.fromtimestamp(next_tx_ts)))) # logger.info("------ Stop listen at {} ------".format(str(datetime.fromtimestamp(now_ts)))) # rx_tb.lock() # # if z != 0: # tx_tb.unlock() # logger.info("------ Send Response Beacon ------") # _start = tx_tb.sink.get_time_now().get_real_secs() # # Node: Send response-beacon signals. Time precision thread # do_every_beacon(0.005, send_resp_beacon_pkt, tx_tb, pkt_size, MAX_PKT_AMT) # # Clocking thread # check_thread_is_done(MAX_PKT_AMT) # _end = rx_tb.source.get_time_now().get_real_secs() # logger.info(" - duration {} -".format(_end - _start)) # logger.info("------ Send Response Beacon end ------") # tx_tb.lock() ################ Node end ############ ######################## SYNC : END ######################### if options.scheme == Scheme.PS.key: ################### Perfect Scheme: START ################### if IS_BS_ROLE: ################# BS ################# # Deprecated # nodes_sync_delta.update({NODE_ID_A: [1, 2, 3], # NODE_ID_B: [4, 5, 6], # '0000000003': [7, 8, 9], # '0000000004': [10, 11, 12], # '0000000005': [13, 14, 15]}) # node_amount = len(nodes_sync_delta) # rx_tb.lock() # Mark Frame T start time _ps_start = tx_tb.sink.get_time_now().get_real_secs() # calculate perfect seed _start = tx_tb.sink.get_time_now().get_real_secs() ps_model.generate_perfect_seed(TEST_NODE_LIST) _end = rx_tb.source.get_time_now().get_real_secs() logger.info(" - duration {} -".format(_end - _start)) tx_tb.unlock() logger.info("------ Broadcast PS packets ------") # To ensure broadcast end within a full second, adjust to start at absolute second fire_at_absolute_second() _start = tx_tb.sink.get_time_now().get_real_secs() do_every_protocol_bs(0.005, ps_model.broadcast_ps_pkt, tx_tb, pkt_size, len(TEST_NODE_LIST), MAX_PKT_AMT) # Clocking thread check_thread_is_done(MAX_PKT_AMT) _end = rx_tb.source.get_time_now().get_real_secs() logger.info(" - duration {} -".format(_end - _start)) logger.info("------ Broadcast PS end ------") tx_tb.lock() rx_tb.unlock() logger.info("------ Listen PS packets start ------") listen_only_to = [PacketType.PS_PKT.index] _start = tx_tb.sink.get_time_now().get_real_secs() # Listen end time is after last node transmission ended. Add some misc delay stop_rx_ts = ps_model.nodes_expect_time[-1][-1] + 0.5 while stop_rx_ts == 0 or stop_rx_ts > now_ts: time.sleep(0.01) now_ts = rx_tb.source.get_time_now().get_real_secs() # logger.debug("now {} next {}".format(str(datetime.fromtimestamp(now_ts)), str(datetime.fromtimestamp(next_tx_ts)))) _end = rx_tb.source.get_time_now().get_real_secs() logger.info(" - duration {} -".format(_end - _start)) logger.info("------ Listen PS packets end ------") listen_only_to = [] rx_tb.lock() now_ts = rx_tb.source.get_time_now().get_real_secs() logger.info("\n - PS duration {} -".format(now_ts - _ps_start)) logger.info("------ PS cycle ends at {} ------\n".format( str(datetime.fromtimestamp(now_ts)))) # logger.info("Sleep for 0.2 second") # usrp_sleep(0.2) ################ BS end ############## else: ################ Node ################ rx_tb.unlock() logger.info("------ Listening PS broadcast ------") listen_only_to = [PacketType.PS_BROADCAST.index] stop_rx_ts = 0 # reset while stop_rx_ts == 0 or stop_rx_ts > now_ts: time.sleep(0.01) now_ts = rx_tb.source.get_time_now().get_real_secs() # logger.debug("now {} next {}".format(str(datetime.fromtimestamp(now_ts)), str(datetime.fromtimestamp(stop_rx_ts)))) logger.info( "------ Stop listen PS broadcast at {} ------".format( str(datetime.fromtimestamp(now_ts)))) listen_only_to = [] rx_tb.lock() # TODO: Adjust to node alloc period assert alloc_index != -1, "alloc_index is -1" logger.info("------ Ready to send PS packets ------") if y != 0: tx_tb.unlock() fire_at_expected_time(next_tx_ts + COMMAND_DELAY) _start = tx_tb.sink.get_time_now().get_real_secs() ps_data = "Hello, I am node {}".format(NODE_ID) do_every_protocol_node(0.005, ps_model.send_ps_pkt, NODE_ID, tx_tb, pkt_size, ps_data, MAX_PKT_AMT_FOR_NODE) # Clocking thread check_thread_is_done(MAX_PKT_AMT_FOR_NODE) _end = rx_tb.source.get_time_now().get_real_secs() logger.info(" - duration {} -".format(_end - _start)) logger.info("------ Send PS packets end ------") tx_tb.lock() # Node wait until PS cycle is over now_ts = rx_tb.source.get_time_now().get_real_secs() usrp_sleep(ps_end_ts - now_ts + COMMAND_DELAY) now_ts = rx_tb.source.get_time_now().get_real_secs() logger.info("\n------ PS cycle ends at {} ------\n".format( str(datetime.fromtimestamp(now_ts)))) ################ Node end ############ ##################### Perfect Scheme: END ##################### elif options.scheme == Scheme.VFS.key: ################### Virtual Frame Scheme: START ################### if IS_BS_ROLE: ################# BS ################# # Deprecated # nodes_sync_delta.update({NODE_ID_A: [1, 2, 3], # NODE_ID_B: [4, 5, 6], # '0000000003': [7, 8, 9], # '0000000004': [10, 11, 12], # '0000000005': [13, 14, 15]}) # node_amount = len(nodes_sync_delta) # rx_tb.lock() # Mark Frame T start time & expected end time vfs_start_ts = tx_tb.sink.get_time_now().get_real_secs() vfs_end_ts = vfs_start_ts + FRAME_TIME_T - 0.01 # give a bit deplay for ending # calculate VFS seed, v-frame & rand-frame _start = tx_tb.sink.get_time_now().get_real_secs() vfs_model.generate_seed_v_frame_rand_frame(TEST_NODE_LIST) _end = rx_tb.source.get_time_now().get_real_secs() logger.info(" - duration {} -".format(_end - _start)) tx_tb.unlock() logger.info("------ Broadcast VFS packets ------") # To ensure broadcast end within a full second, adjust to start at absolute second fire_at_absolute_second() _start = tx_tb.sink.get_time_now().get_real_secs() do_every_protocol_bs(0.005, vfs_model.broadcast_vfs_pkt, tx_tb, pkt_size, len(TEST_NODE_LIST), MAX_PKT_AMT) # Clocking thread check_thread_is_done(MAX_PKT_AMT) _end = rx_tb.source.get_time_now().get_real_secs() logger.info(" - duration {} -".format(_end - _start)) logger.info("------ Broadcast VFS end ------") tx_tb.lock() rx_tb.unlock() logger.info("------ Listen VFS packets start ------") listen_only_to = [PacketType.VFS_PKT.index] _start = tx_tb.sink.get_time_now().get_real_secs() # Listen end time is after last node transmission ended, or till frame T ended. stop_rx_ts = vfs_model.nodes_expect_time[-1][ -1] + 0.5 # Add misc delay while stop_rx_ts == 0 or stop_rx_ts > now_ts or vfs_end_ts > now_ts: time.sleep(0.01) now_ts = rx_tb.source.get_time_now().get_real_secs() # logger.debug("now {} next {}".format(str(datetime.fromtimestamp(now_ts)), str(datetime.fromtimestamp(next_tx_ts)))) _end = rx_tb.source.get_time_now().get_real_secs() logger.info(" - duration {} -".format(_end - _start)) logger.info("------ Listen VFS packets end ------") listen_only_to = [] rx_tb.lock() now_ts = rx_tb.source.get_time_now().get_real_secs() logger.info("\n - VFS duration {} -".format(now_ts - vfs_start_ts)) logger.info("------ VFS cycle ends at {} ------\n".format( str(datetime.fromtimestamp(now_ts)))) # logger.info("Sleep for 0.2 second") # usrp_sleep(0.2) ################# BS end ############# else: ################ Node ################ # Mark Frame T start time & expected end time vfs_start_ts = tx_tb.sink.get_time_now().get_real_secs() vfs_end_ts = vfs_start_ts + FRAME_TIME_T - 0.01 # give a bit deplay for ending rx_tb.unlock() logger.info("------ Listening VFS broadcast ------") listen_only_to = [PacketType.VFS_BROADCAST.index] stop_rx_ts = 0 # reset while stop_rx_ts == 0 or stop_rx_ts > now_ts: time.sleep(0.01) now_ts = rx_tb.source.get_time_now().get_real_secs() # logger.debug("now {} next {}".format(str(datetime.fromtimestamp(now_ts)), str(datetime.fromtimestamp(stop_rx_ts)))) logger.info( "------ Stop listen VFS broadcast at {} ------".format( str(datetime.fromtimestamp(now_ts)))) listen_only_to = [] rx_tb.lock() # TODO: Adjust to node alloc period if alloc_index == -1: logger.warning( "WARNING: alloc_index is -1, cannot join this session. Skip..." ) time.sleep(7) continue # assert alloc_index != -1, "alloc_index is -1" logger.info("------ Ready to send VFS packets ------") if y != 0: tx_tb.unlock() fire_at_expected_time(next_tx_ts + COMMAND_DELAY) _start = tx_tb.sink.get_time_now().get_real_secs() vfs_data = "Hello, I am node {}".format(NODE_ID) do_every_protocol_node(0.005, vfs_model.send_vfs_pkt, NODE_ID, tx_tb, pkt_size, vfs_data, MAX_PKT_AMT_FOR_NODE) # Clocking thread check_thread_is_done(MAX_PKT_AMT_FOR_NODE) _end = rx_tb.source.get_time_now().get_real_secs() logger.info(" - duration {} -".format(_end - _start)) logger.info("------ Send VFS packets end ------") tx_tb.lock() # Node wait until VFS cycle is over now_ts = rx_tb.source.get_time_now().get_real_secs() usrp_sleep(vfs_end_ts - now_ts + COMMAND_DELAY) now_ts = rx_tb.source.get_time_now().get_real_secs() logger.info("\n - VFS duration {} -".format(now_ts - vfs_start_ts)) logger.info("------ VFS cycle ends at {} ------\n".format( str(datetime.fromtimestamp(now_ts)))) ################ Node end ############ ##################### Virtual Frame Scheme: END ##################### #tx_tb.unlock() #tx_tb.wait() #rx_tb.unlock() #rx_tb.wait() tx_tb.stop() rx_tb.stop() logger.info( "\n\n=============================================================================================" ) logger.info( "========================================= TEST END ==========================================" ) logger.info( "=============================================================================================\n\n" ) sys.exit(0)
def main(): global n_rcvd, n_right, rcv_buffer n_rcvd = 0 n_right = 0 rcv_buffer = list() def rx_callback(ok, payload): global n_rcvd, n_right, rcv_buffer n_rcvd += 1 (pktno,) = struct.unpack('!H', payload[0:2]) if ok: n_right += 1 rcv_buffer.append((pktno, payload)) # print 'pktno=', pktno, ' payload=', payload[2:] print "ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d" % (ok, pktno, n_rcvd, n_right) # print ' received ', def send_pkt(payload='', eof=False): return tb.txpath.send_pkt(payload, eof) parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("","--discontinuous", action="store_true", default=False, help="enable discontinuous") parser.add_option("","--from-file", default=None, help="input file of samples to demod") parser.add_option("","--to-file", default=None, help="Output file for modulated samples") parser.add_option("-s", "--size", type="eng_float", default=400, help="set packet size [default=%default]") parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, help="set megabytes to transmit [default=%default]") #rcv receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) #trans transmit_path.add_options(parser, expert_grp) digital.ofdm_mod.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) (options, args) = parser.parse_args () if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph tb = my_top_block(rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph #trans nbytes = int(1e3 * options.megabytes) n = 0 pktno = 0 pkt_size = int(options.size) if 1: while n < nbytes: if options.from_file is None: #data = (pkt_size - 2) * (pktno & 0xff) data = 'hellognuradio' else: data = source_file.read(pkt_size - 2) if data == '': break; payload = struct.pack('!H', pktno & 0xffff) + data send_pkt(payload) n += len(payload) print 'transmitting pktno = ', pktno pktno += 1 send_pkt(eof=True) last_rcv_time = time.clock() while 1: while len(rcv_buffer) > 0: (pktno, payload) = rcv_buffer.pop(0) print 'pktno = ', pktno, 'payload = ', payload[2:] now = time.clock() #if not sleep, it seems it will chew up all CPU! time.sleep(0.3) if (now - last_rcv_time > 2): break print '########################TEST tx_rx_self FINISHED################################' print '########################NOW BEGIN TESTING carrier sense##########################' tb.rxpath.set_carrier_threshold(2) print 'threshold = ', tb.rxpath.carrier_threshold() while 1: print 'carrier sense : ', tb.rxpath.carrier_sensed() time.sleep(0.1) tb.wait() # wait for it to finish
def main(): def ncycle(iterable, n): for item in itertools.cycle(iterable): for i in range(n): yield item hop_interval = 1000.0 # ms maxium_resend = 100 pkt_size = 10 seq0 = ncycle([0, 0, 0, 1, 2], 1) seq1 = ncycle([1, 1, 0, 1, 2, 2, 0], 1) seq2 = ncycle([2, 2, 2, 1, 2, 0, 0, 1], 1) seqs = [seq0, seq1, seq2] def rx_callback(ok, payload): global rx_callback_enable, cnt, numrec, returnack if (ok and rx_callback_enable == 1): #if (len(payload) >= 1): if (payload[0] == 'B'): #FreCtrl.printSpace() #print "Receive Beacon"#, payload synch.Synch(int(payload[1:])) returnack = 1 myPay.getACK(synch.getRemainTime()) tb.send_pkt(myPay) else: if 97 <= ord(payload) <= 122: if ord(payload) == 122: tb.send_pkt(chr(97)) else: tb.send_pkt((payload + 1)) #FreCtrl.printSpace() #print "Receive Data", int(payload[1:11]) #myPay.updatePkt(payload[1:11], payload[12:]) #save the packet to the file #tb.send_pkt('0+', payload) #tb.send_pkt('1+', payload) #tb.send_pkt('2+', payload) #tb.send_pkt('3+', payload) #tb.send_pkt('4+', payload) parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("", "--discontinuous", action="store_true", default=False, help="enable discontinuous") parser.add_option("", "--from-file", default=None, help="input file of samples to demod") parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-s", "--size", type="eng_float", default=40, help="set packet size [default=%default]") parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, help="set megabytes to transmit [default=%default]") parser.add_option("", "--discontinuous", action="store_true", default=False, help="enable discontinuous mode") parser.add_option("", "--from-file", default=None, help="use intput file for packet contents") parser.add_option("", "--to-file", default=None, help="Output file for modulated samples") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) digital.ofdm_mod.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) (options, args) = parser.parse_args() if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) # Attempt to enable realtime scheduling r = gr.enable_realtime_scheduling() if r == gr.RT_OK: realtime = True else: realtime = False print "Note: failed to enable realtime scheduling" # build the graph (PHY) tb = my_top_block(rx_callback, options) synch = Synchronize(hop_interval) myPay = payload_mgr('./rcvd_file/rcvd_file.bmp') debug = write_info('./rx_info.txt') FreCtrl = frequency_mgr(seqs) FreCtrl.check_main( ) #check whethetr the channel you post with the flag is in the seqs FreCtrl.set_frequency(tb) startRun = datetime.datetime.now() tb.start() # Start5 executing the flow graph (runs in separate threads) while True: #myPay.getSize() < 60000: global rx_callback_enable rx_callback_enable = 0 synch.startSlot = datetime.datetime.now() FreCtrl.printSpace() if (tb.rxpath.variable_function_probe_0 == 0): print "Primary user is absent... start..." rx_callback_enable = 1 time.sleep(synch.getInterval() / 1000) else: print "Primary user is present...wait..." FreCtrl.set_frequency(tb) #os.system('xdg-open ./rcvd_file/rcvd_file.bmp') tb.wait() # wait for it to finish
def main(): global n_rcvd, n_right, timestamp_len, virtual_frame n_rcvd = 0 n_right = 0 timestamp_len = 14 #26 # len(now) max_pkt = 200 wrong_pktno = 0xFF00 seed_len = 20 virtual_frame = '00000000' vf_len = 8 def get_random_seed(): seed = '{0:20}'.format(randint(1, 99999999999999999999)) # replace prefix spaces with 0, if any return seed.replace(' ', '0') def send_beacon_pkt(my_tb, pkt_amount): pktno = 0 # 0 as beacon for i in range(pkt_amount): payload_prefix = struct.pack('!H', pktno & 0xffff) data_size = len(payload_prefix) + timestamp_len print "data_size {}".format(data_size) dummy_data = (pkt_amount - data_size) * chr(pktno & 0xff) # now = str(datetime.now()) now_timestamp_str = '{:.3f}'.format(time.time()) payload = payload_prefix + now_timestamp_str + dummy_data my_tb.txpath.send_pkt(payload) # sys.stderr.write('.') print "{} send beacon signal {}...".format(str(datetime.now()), i) time.sleep(0.001) time.sleep(0.005) def send_beacon_pkt2(my_tb, pkt_amount, i): pktno = 0 # as beacon payload_prefix = struct.pack('!H', pktno & 0xffff) data_size = len(payload_prefix) + timestamp_len dummy_data = (pkt_amount - data_size) * chr(pktno & 0xff) now_timestamp_str = '{:.3f}'.format(time.time()) payload = payload_prefix + now_timestamp_str + dummy_data my_tb.txpath.send_pkt(payload) # sys.stderr.write('.') print "{} send beacon signal {}...".format(str(datetime.now()), i) def do_every(interval, send_pkt_func, my_tb, pkt_amt, iterations=1): # For other functions to check these variables global my_thread, my_iterations my_iterations = iterations if iterations < pkt_amt: # my_thread = threading.Timer(interval, do_every, # [interval, send_pkt_func, my_tb, pkt_amt, 0 # if iterations == 0 else iterations + 1]) my_thread = threading.Timer(interval, do_every, [interval, send_pkt_func, my_tb, pkt_amt, pkt_amt if iterations >= pkt_amt else iterations + 1]) #print "start thread" my_thread.start() # execute func send_pkt_func(my_tb, pkt_amt, iterations) # def send_init_pkt(my_tb, pkt_amount): # pktno = 1 # while pktno < pkt_amount: # if stop_init_pkt: # print "init interrupted!!!" # break # # payload_prefix = struct.pack('!H', pktno & 0xffff) # rand_seed = get_random_seed() # data_size = len(payload_prefix) + timestamp_len + len(rand_seed) + len(virtual_frame) # dummy_data = (pkt_amount - data_size) * chr(pktno & 0xff) # # now = str(datetime.now()) # now_timestamp_str = '{:.3f}'.format(time.time()) # payload = payload_prefix + now_timestamp_str + rand_seed + virtual_frame + dummy_data # my_tb.txpath.send_pkt(payload) # # sys.stderr.write('.') # print "{} init pktno {}".format(str(datetime.now()), pktno) # pktno += 1 # time.sleep(0.001) # # print "sleep 2 seconds" # time.sleep(0.005) def send_init_pkt2(my_tb, pkt_amount, pktno=1): global stop_init_pkt if stop_init_pkt: print "init interrupted!!!" my_thread.cancel() return payload_prefix = struct.pack('!H', pktno & 0xffff) rand_seed = get_random_seed() data_size = len(payload_prefix) + timestamp_len + len(rand_seed) + len(virtual_frame) dummy_data = (pkt_amount - data_size) * chr(pktno & 0xff) # now = str(datetime.now()) now_timestamp_str = '{:.3f}'.format(time.time()) payload = payload_prefix + now_timestamp_str + rand_seed + virtual_frame + dummy_data my_tb.txpath.send_pkt(payload) # sys.stderr.write('.') print "{} init pktno {}".format(str(datetime.now()), pktno) # @time_sync(10) # def send_ack_pkt(my_tb, temp_list): # while temp_list: # pktno, time_data, seed, virtual_frame = temp_list.pop(0) # ack_pktno = pktno # payload_prefix = struct.pack('!H', ack_pktno & 0xffff) # data_size = len(payload_prefix) + timestamp_len + len(seed) + len(virtual_frame) # dummy_data = (pkt_amt - data_size) * chr(ack_pktno & 0xff) # now_timestamp_str = '{:.3f}'.format(time.time()) # payload = payload_prefix + now_timestamp_str + seed + virtual_frame + dummy_data # my_tb.txpath.send_pkt(payload) # #sys.stderr.write('.') # time_data_str = str(datetime.fromtimestamp(time_data)) # print "Ack pktno {}, time {}, ack_pktno {}, seed {}, vf {}".format(pktno, time_data_str, ack_pktno, seed, virtual_frame) # time.sleep(0.001) # #my_tb.txpath.send_pkt(eof=True) # time.sleep(0.005) def send_ack_pkt2(my_tb, temp_list): while temp_list: pktno, time_data, seed, virtual_frame = temp_list.pop(0) ack_pktno = pktno payload_prefix = struct.pack('!H', ack_pktno & 0xffff) data_size = len(payload_prefix) + timestamp_len + len(seed) + len(virtual_frame) dummy_data = (pkt_amt - data_size) * chr(ack_pktno & 0xff) now_timestamp_str = '{:.3f}'.format(time.time()) payload = payload_prefix + now_timestamp_str + seed + virtual_frame + dummy_data my_tb.txpath.send_pkt(payload) #sys.stderr.write('.') time_data_str = str(datetime.fromtimestamp(time_data)) print "Ack pktno {}, time {}, ack_pktno {}, seed {}, vf {}".format(pktno, time_data_str, ack_pktno, seed, virtual_frame) time.sleep(0.001) #my_tb.txpath.send_pkt(eof=True) time.sleep(0.005) def rx_callback(ok, payload): global n_rcvd, n_right, stop_init_pkt n_rcvd += 1 (pktno,) = struct.unpack('!H', payload[0:2]) # Filter out incorrect pkt if pktno >= wrong_pktno: print "wrong pktno {}".format(pktno) return try: pkt_timestamp_str = payload[2:2+timestamp_len] pkt_timestamp = float(pkt_timestamp_str) except: print "{} is not a float.".format(pkt_timestamp_str) return seed = payload[2+timestamp_len:2+timestamp_len+seed_len] virtual_frame = payload[2+timestamp_len+seed_len:2+timestamp_len+seed_len+vf_len] now_timestamp = round(time.time(), 3) time_delta = now_timestamp - pkt_timestamp rx_time = str(datetime.fromtimestamp(pkt_timestamp)) if pktno == 0: # is beacon print "received beacon. time: {}\tdelay: {}".format(rx_time, time_delta) return if ok: n_right += 1 #print "received pkt. ok: %r \t pktno: %d \t time: %s \t delay: %f \t n_rcvd: %d \t n_right: %d" % (ok, pktno, rx_time, time_delta, n_rcvd, n_right) print "received pkt. ok: {}\tpktno: {}\ttime: {}\tdelay: {}\tseed: {}\tvf: {}".format(ok, pktno, rx_time, time_delta, seed, virtual_frame) data_list.append((pktno, pkt_timestamp, seed, virtual_frame)) if len(data_list) >= 10: stop_init_pkt = True def check_thread_is_done(iter_limit): for i in range(1000): if not my_thread.is_alive() and my_iterations >= iter_limit: # thread done, proceed to next break time.sleep(0.002) print "{} thread is done".format(str(datetime.now())) ####### # main ####### parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-s", "--size", type="eng_float", default=400, help="set packet size [default=%default]") parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, help="set megabytes to transmit [default=%default]") parser.add_option("","--discontinuous", action="store_true", default=False, help="enable discontinuous mode") parser.add_option("","--from-file", default=None, help="use intput file for packet contents") parser.add_option("","--to-file", default=None, help="Output file for modulated samples") digital.ofdm_mod.add_options(parser, expert_grp) digital.ofdm_demod.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) uhd_receiver.add_options(parser) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) print "----------------------------------------------------------" print "Input options: \n{}".format(str(options)) print "----------------------------------------------------------\n" if options.rx_freq is None or options.tx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the tx/rx graph tb = TopBlock(rx_callback, options) #init_tb() # tb_rx = rx_top_block(rx_callback, options) # tb_tx = tx_top_block(options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() pkt_amt = int(options.size) print "pkt_amt {}".format(pkt_amt) pkt_amount = 100 # Send beacon signals. Time precision: New thread do_every(0.005, send_beacon_pkt2, tb, pkt_amount) # New thread checks last thread is done check_thread_is_done(pkt_amount) # Send initial data packets. Time precision: New thread do_every(0.005, send_init_pkt2, tb, pkt_amount) # New thread checks last thread is done check_thread_is_done(pkt_amount) # send_init_pkt(tb, MAX_PKT_AMT) # Iteration for switching between beacon signals & data packets # iterate = 0 # while iterate < MAX_ITERATION: # print "iterate {}: data_list len {}".format(iterate, len(data_list)) # iterate += 1 # if data_list: # send_ack_pkt2(tb, data_list) # # New thread checks last thread is done # check_thread_is_done(50) # else: # do_every(0.005, send_beacon_pkt2, tb, 50) # # Another thread to check last thread is done # check_thread_is_done(50) # TODO: Estimate when send EOF will finish... But does it needed? # time.sleep(5) # print "TX send EOF pkt.............." # tb.txpath.send_pkt(eof=True) #tb.stop() tb.wait()
def main(): global n_rcvd, n_right,flag packets_delivered = [] not_delivered = True flag = 0 n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right, flag (pktno,) = struct.unpack('!H', payload[0:2]) data = payload[2:] #Check if packet is not a sensing packet and if so, send it to sock #Also check if the packet has already been delivered if pktno <= 1000: n_rcvd += 1 if ok: n_right += 1 for i in range(0, len(packets_delivered)): if packets_delivered[i] == pktno: not_delivered = False if options.server and not_delivered: packets_delivered.append(pktno) sock.sendall(data) not_delivered = True #Check if pakcet is a sensing packet and jump freq accordingly if pktno > 1000 and flag == 0: if ok : flag = 1 new_freq =int(float(data)) new = new_freq/1.0 print "About to change freq" #Sleep to keep sync time.sleep(0.5) options.rx_freq = new source = uhd_receiver(options.args, symbol_rate2, options.samples_per_symbol, options.rx_freq, options.lo_offset, options.rx_gain, options.spec, options.antenna, options.clock_source, options.verbose) rxpath = receive_path(demodulator2, rx_callback, options) #Reset flag if sensing packet burst is over if pktno <1000 and flag == 1: flag = 0 print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d frequency = %s" % ( ok, pktno, n_rcvd, n_right, options.rx_freq) demods = digital.modulation_utils.type_1_demods() # Create Options Parser: parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), default='qpsk', help="Select modulation from: %s [default=%%default]" % (', '.join(demods.keys()),)) parser.add_option("","--from-file", default=None, help="input file of samples to demod") parser.add_option("","--server", action="store_true", default=False, help="To take data from the server") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in demods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args () #if len(args) != 0: # parser.print_help(sys.stderr) # sys.exit(1) #if options.from_file is None: # if options.rx_freq is None: # sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") # parser.print_help(sys.stderr) # sys.exit(1) # connect to server if options.server: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) server_address = ('10.0.0.200', 50001) print >>sys.stderr, 'connecting to %s port %s' % server_address sock.connect(server_address) # build the graph tb = my_top_block(demods[options.modulation], rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: Failed to enable realtime scheduling." time.sleep(9.5) tb.start() # start flow graph tb.wait() # wait for it to finish if options.server: sock.close()
def main(): global n_rcvd, n_right, nopkt, start random.seed(os.urandom(100)) n_rcvd = 0 n_right = 0 nopkt = 1 def rx_callback(ok, payload): global n_rcvd, n_right, start, nopkt (pktno, ) = struct.unpack('!H', payload[0:2]) data = payload[2:] n_rcvd += 1 if ok: nopkt = 0 n_right += 1 if options.server: sock.sendall(data) # if n_right == 1000: # print "JSHABJKWHBEWJQKBEHWQKJWQEJWQRKBKJWQRBOJWRQB\n" # sock.close() start = time.time() #print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" % ( #ok, pktno, n_rcvd, n_right) omlDb.inject("packets", ("received", n_rcvd)) omlDb.inject("packets", ("correct", n_right)) demods = digital.modulation_utils.type_1_demods() # Create Options Parser: parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), default='gmsk', help="Select modulation from: %s [default=%%default]" % (', '.join(demods.keys()), )) parser.add_option("", "--from-file", default=None, help="input file of samples to demod") parser.add_option("-E", "--exp-id", type="string", default="test", help="specify the experiment ID") parser.add_option("-N", "--node-id", type="string", default="rx", help="specify the experiment ID") parser.add_option("", "--server", action="store_true", default=False, help="To take data from the server") parser.add_option("", "--port", type="int", default=None, help="specify the server port") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in demods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args() omlDb = OMLBase("gnuradiorx", options.exp_id, options.node_id, "tcp:nitlab3.inf.uth.gr:3003") omlDb.addmp("packets", "type:string value:long") omlDb.start() if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # connect to server if options.server: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) # server_address = ('10.0.1.200', 51001) server_address = ('10.0.1.200', options.port) print >> sys.stderr, 'connecting to %s port %s' % server_address sock.connect(server_address) # build the graph tb = my_top_block(demods[options.modulation], rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: Failed to enable realtime scheduling." tb.start() # start flow graph # tb.wait() # wait for it to finish freq_list = [ options.rx_freq, options.rx_freq + 1000000.0, options.rx_freq - 1000000.0 ] i = 0 nopkt = 1 while 1: # pwr= tb.rxpath.probe.level() while (nopkt): tb.source.set_freq(freq_list[i % 3], 0) i += 1 time.sleep(0.05) if (time.time() - start > 0.5): nopkt = 1 if options.server: sock.close()
def main(): parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=['bpsk', 'qpsk'], default='bpsk', help="Select modulation from: bpsk, qpsk [default=%%default]") parser.add_option("-v","--verbose", action="store_true", default=False) expert_grp.add_option("-c", "--carrier-threshold", type="eng_float", default=30, help="set carrier detect threshold (dB) [default=%default]") expert_grp.add_option("", "--snr", type="eng_float", default=30, help="set the SNR of the channel in dB [default=%default]") digital.ofdm_mod.add_options(parser, expert_grp) digital.ofdm_demod.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) uhd_transmitter.add_options(parser) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.rx_freq is None or options.tx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # Attempt to enable realtime scheduling r = gr.enable_realtime_scheduling() if r == gr.RT_OK: realtime = True else: realtime = False print "Note: failed to enable realtime scheduling" # instantiate the MAC mac = cs_mac(verbose=True) # build the graph (PHY) tb = my_top_block(mac.phy_rx_callback, mac.fwd_callback, options) mac.set_flow_graph(tb) # give the MAC a handle for the PHY print "modulation: %s" % (options.modulation,) print "freq: %s" % (eng_notation.num_to_str(options.tx_freq)) tb.rxpath.set_carrier_threshold(options.carrier_threshold) print "Carrier sense threshold:", options.carrier_threshold, "dB" tb.start() # Start executing the flow graph (runs in separate threads) mac.main_loop() # don't expect this to return... tb.stop() # but if it does, tell flow graph to stop. tb.wait() # wait for it to finish
def main(): global n_rcvd, n_right, start_time, stop_rcv TIMEOUT = 600 # 600 sec for hurdle 3 n_rcvd = 0 n_right = 0 lock = Lock() start_time = 0 mstr_cnt = 0 stop_rcv = 0 TCP_IP='idb2' TCP_PORT=5102 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) try: s.connect((TCP_IP, TCP_PORT)) except socket.error as e: print "Error connecting to the packet sink: %s" %e.strerror return def rx_callback(ok, payload, channel): global n_rcvd, n_right, start_time, stop_rcv try: (pktno,crc,sn) = struct.unpack('!HLL', payload[0:10]) n_rcvd += 1 if ok: n_right += 1 try: data = s.recv(4) # if a ready packet is received s.send(payload[2:]) except socket.error as e: print "Socket error: %s" %e.strerror stop_rcv = 1 return if data.__len__() == 0: print "Connection closed" stop_rcv = 1 return if n_right == 1: start_time = time.time() #if n_right == 2000: # t = time.time() - start_time # print"Mod : %5s, Rate : %8d, Time for 2000 pkts : %f sec\n" %(options.modulation, options.bitrate, t) # stop_rcv = 1; if options.verbose: print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d channel = %1d" %( ok, pktno, n_rcvd, n_right, channel) except: return def rx_callback0(ok, payload): lock.acquire() rx_callback(ok, payload, 0) lock.release() def rx_callback1(ok, payload): lock.acquire() rx_callback(ok, payload, 1) lock.release() demods = digital.modulation_utils.type_1_demods() # Create Options Parser: parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), default='qam', help="Select modulation from: %s [default=%%default]" % (', '.join(demods.keys()),)) parser.add_option("","--from-file", default=None, help="input file of samples to demod") custom_grp = parser.add_option_group("Custom") custom_grp.add_option("","--guard-width", type="eng_float", default=250e3, help="guard region width") custom_grp.add_option("","--band-trans-width", type="eng_float", default=50e3, help="transition width for band pass filter") custom_grp.add_option("","--low-trans-width", type="eng_float", default=50e3, help="transition width for low pass filter") custom_grp.add_option("","--file-samp-rate", type="eng_float", default=1e6, help="file sample rate") custom_grp.add_option("","--rs-n", type="int", default=252, help="reed solomon n") custom_grp.add_option("","--rs-k", type="int", default=241, help="reed solomon k") custom_grp.add_option("","--num-taps", type="int", default=2, help="taps") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in demods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args () options.bitrate = 3000e3 options.rx_gain = 50 options.constellation_points = 16 if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph tb = my_top_block(demods[options.modulation], rx_callback0, rx_callback1, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: Failed to enable realtime scheduling." # log parameters to OML cmd1 = "/root/OML/omlcli --out h3_benchmark --line \"" cmd1 = cmd1 + " rx-freq=" + str(options.rx_freq) cmd1 = cmd1 + " modulation=" + str(options.modulation) cmd1 = cmd1 + " rx-gain=" + str(options.rx_gain) cmd1 = cmd1 + " bitrate=" + str(options.bitrate) cmd1 = cmd1 + " sps=" + str(options.samples_per_symbol) cmd1 = cmd1 + " hostname=" + socket.gethostname() cmd1 = cmd1 + "\"" from subprocess import os os.system(cmd1) tb.start() # start flow graph while mstr_cnt < TIMEOUT*1000: if stop_rcv == 1: break; mstr_cnt = mstr_cnt + 1 time.sleep(0.001) if stop_rcv == 0: print "Receiver timed out, received %d packets successfully in %d sec" %(n_right, TIMEOUT) s.close()
def main(): def send_pkt(payload='', eof=False): return tb.txpath.send_pkt(payload, eof) global n_rcvd, n_right n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right n_rcvd += 1 (pktno, ) = struct.unpack('!H', payload[0:2]) if ok: n_right += 1 print "ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d" % ( ok, pktno, n_rcvd, n_right) if 0: printlst = list() for x in payload[2:]: t = hex(ord(x)).replace('0x', '') if (len(t) == 1): t = '0' + t printlst.append(t) printable = ''.join(printlst) print printable print "\n" parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("", "--discontinuous", action="store_true", default=False, help="enable discontinuous") parser.add_option("", "--from-file", default=None, help="input file of samples to demod") parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, help="set megabytes to transmit [default=%default]") parser.add_option("-s", "--size", type="eng_float", default=400, help="set packet size [default=%default]") parser.add_option("-p", "--packno", type="eng_float", default=0, help="set packet number [default=%default]") transmit_path.add_options(parser, expert_grp) digital.ofdm_mod.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) (options, args) = parser.parse_args() if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) if options.packno is not None: packno_delta = options.packno print "assign pktno start: %d" % packno_delta # build the graph tb = my_top_block(rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph # generate and send packets nbytes = int(1e6 * options.megabytes) n = 0 pktno = 0 pkt_size = int(options.size) while n < nbytes: if options.from_file is None: data = (pkt_size - 2) * chr(pktno & 0xff) else: data = source_file.read(pkt_size - 2) if data == '': break payload = struct.pack('!H', (pktno + int(packno_delta)) & 0xffff) + data send_pkt(payload) n += len(payload) sys.stderr.write('.') if options.discontinuous and pktno % 5 == 4: time.sleep(1) pktno += 1 send_pkt(eof=True) time.sleep(2) # allow time for queued packets to be sent tb.wait() # wait for it to finish
def main(): mods = digital.modulation_utils.type_1_mods() demods = digital.modulation_utils.type_1_demods() parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(), default='gmsk', help="Select modulation from: %s [default=%%default]" % (', '.join(mods.keys()), )) parser.add_option("-s", "--size", type="eng_float", default=1500, help="set packet size [default=%default]") parser.add_option("-v", "--verbose", action="store_true", default=False) expert_grp.add_option( "-c", "--carrier-threshold", type="eng_float", default=30, help="set carrier detect threshold (dB) [default=%default]") expert_grp.add_option("", "--tun-device-filename", default="/dev/net/tun", help="path to tun device file [default=%default]") transmit_path.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) uhd_transmitter.add_options(parser) for mod in mods.values(): mod.add_options(expert_grp) for demod in demods.values(): demod.add_options(expert_grp) (options, args) = parser.parse_args() if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) # open the TUN/TAP interface (tun_fd, tun_ifname) = open_tun_interface(options.tun_device_filename) # Attempt to enable realtime scheduling r = gr.enable_realtime_scheduling() if r == gr.RT_OK: realtime = True else: realtime = False print "Note: failed to enable realtime scheduling" # instantiate the MAC mac = cs_mac(tun_fd, verbose=True) # build the graph (PHY) tb = my_top_block(mods[options.modulation], demods[options.modulation], mac.phy_rx_callback, options) mac.set_top_block(tb) # give the MAC a handle for the PHY if tb.txpath.bitrate() != tb.rxpath.bitrate(): print "WARNING: Transmit bitrate = %sb/sec, Receive bitrate = %sb/sec" % ( eng_notation.num_to_str(tb.txpath.bitrate()), eng_notation.num_to_str(tb.rxpath.bitrate())) print "modulation: %s" % (options.modulation, ) print "freq: %s" % (eng_notation.num_to_str(options.tx_freq)) print "bitrate: %sb/sec" % (eng_notation.num_to_str( tb.txpath.bitrate()), ) print "samples/symbol: %3d" % (tb.txpath.samples_per_symbol(), ) tb.rxpath.set_carrier_threshold(options.carrier_threshold) print "Carrier sense threshold:", options.carrier_threshold, "dB" print print "Allocated virtual ethernet interface: %s" % (tun_ifname, ) print "You must now use ifconfig to set its IP address. E.g.," print print " $ sudo ifconfig %s 192.168.200.1" % (tun_ifname, ) print print "Be sure to use a different address in the same subnet for each machine." print tb.start() # Start executing the flow graph (runs in separate threads) mac.main_loop() # don't expect this to return... tb.stop() # but if it does, tell flow graph to stop. tb.wait() # wait for it to finish
def main(): #import protocol model vfs_model = VirtualFrameScheme(PacketType, NODE_SLOT_TIME) #node rx queue/event global node_rx_q, node_rx_sem, thread_run, alloc_index, last_node_amount,file_input,\ file_output, data, data_num, upload_file node_rx_q = Queue.Queue(maxsize=NODE_RX_MAX) node_rx_sem = threading.Semaphore(NODE_RX_MAX) #up to the queue size thread_run = True alloc_index = -1 last_node_amount = -1 last_in_noaction = True data = "**heLLo**" # default data str data_num = 0 upload_file = True for i in range(NODE_RX_MAX): # make all semaphore in 0 status node_rx_sem.acquire() def send_pkt(payload='', eof=False): return tb.txpath.send_pkt(payload, eof) global n_rcvd, n_right n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right n_rcvd += 1 # Filter out incorrect pkt if ok: thingy = decode_common_pkt_header(tb, payload) if not thingy: return (pktno, pkt_timestamp, pkt_type) = thingy n_right += 1 now_ts = tb.sink.get_time_now().get_real_secs() node_rx_q.put(payload) else: logger.warning("Packet fail. Drop pkt!") return parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") # parser.add_option("","--discontinuous", action="store_true", default=False, # help="enable discontinuous") parser.add_option("", "--from-file", default=None, help="input file of samples") # parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, # help="set megabytes to transmit [default=%default]") parser.add_option("-s", "--size", type="eng_float", default=400, help="set packet size [default=%default]") parser.add_option("-p", "--packno", type="eng_float", default=0, help="set packet number [default=%default]") parser.add_option("", "--to-file", default=None, help="Output file for modulated samples") parser.add_option("", "--bs", default=None, help="assign if bs") transmit_path.add_options(parser, expert_grp) digital.ofdm_mod.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) (options, args) = parser.parse_args() # Decide is BS or Node role IS_BS_ROLE = bool(options.bs) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) if options.packno is not None: packno_delta = options.packno logger.info("assign pktno start: %d" % packno_delta) # build the graph tb = my_top_block(rx_callback, options) # USRP device aligns with PC time (NTP) pc_now = time.time() tb.sink.set_time_now(uhd.time_spec(pc_now)) tb.source.set_time_now(uhd.time_spec(pc_now)) now_ts = tb.sink.get_time_now().get_real_secs() logger.info("\n{} Adjust to PC time: {}\n".format( str(datetime.fromtimestamp(time.time())), str(datetime.fromtimestamp(now_ts)))) # get this node id NODE_ID = tb.sink.get_usrp_mboard_serial() # Append to required length NODE_ID = NODE_ID.zfill(NODE_ID_LEN) assert len( NODE_ID) == NODE_ID_LEN, "USRP NODE_ID {} len must be {}".format( NODE_ID, NODE_ID_LEN) logger.info("\nNODE ID: {}".format(NODE_ID)) #realtime scheduling r = gr.enable_realtime_scheduling() if r != gr.RT_OK: logger.warn("Warning: failed to enable realtime scheduling") # node, open input file if assigned if not IS_BS_ROLE and (options.from_file is not None): try: file_input = open(options.from_file, "r") data = file_input.read(3) upload_file = True logger.info("Input file opened successfully") except: logger.error("Error: file not exist") elif not IS_BS_ROLE: upload_file = False data = str(data_num) else: pass # bs, open output file if assigned if IS_BS_ROLE and (options.to_file is not None): try: file_output = open(options.to_file, "w+", buffering=0) #no buffering, flush rightaway logger.info("Output file opened successfully") except: logger.error("Error: file not exist") tb.start() # start flow graph n = 0 pktno = 0 pkt_size = int(options.size) def threadjob(pktno, IS_BS, NODE_ID): global thread_run, data, data_num, TEST_NODE_RETRY, TEST_NODE_LIST, i_care_ack, last_pktno logger.info("Please start host now...") boot_time = time.time() bs_start_time = 0 nd_start_time = 0 nd_in_response = False not_my_business = False time_data_collecting = len(TEST_NODE_LIST) * NODE_SLOT_TIME time_wait_for_my_slot = 0 TEST_NODE_RETRY[:] = list(TEST_NODE_RETRY_DEFAULT) TEST_NODE_LIST = list(TEST_NODE_LIST_DEFAULT) last_data = -1 i_care_ack = False last_pktno = -1 print(TEST_NODE_LIST) print(TEST_NODE_LIST_DEFAULT) while thread_run: if IS_BS: if time.time() > (bs_start_time + time_data_collecting + TRANSMIT_DELAY): #statstic if pktno != 0: for iid in TEST_NODE_RETRY: logger.info("111111111111111111111111111") logger.info("1 Data Timeout:{} 1".format(iid)) logger.info("111111111111111111111111111") statistics[iid]['Missing'] += 1 temp = 0 for iid in TEST_NODE_RETRY_DEFAULT: if iid in TEST_NODE_LIST: temp = vfs_model.query_vack(iid) if 1 == temp: statistics[iid]['ACK'] += 1 elif 2 == temp: statistics[iid]['NAK'] += 1 else: pass print(statistics) print("\n......Frame start......") #prepare if pktno != 0: i = 0 TEST_NODE_LIST[:] = [] #prepare - scheduling for iid in TEST_NODE_LIST_DEFAULT: # join this run, for all scheduled or retry devices if pktno % TEST_NODE_SCHEDULE[i] == 0: TEST_NODE_LIST.append(iid) logger.info("scheduled:{}".format(iid)) #statstic if iid in statistics: statistics[iid]['Schedule'] += 1 elif iid in TEST_NODE_RETRY: TEST_NODE_LIST.append(iid) logger.info("retry:{}".format(iid)) #statstic if iid in statistics: statistics[iid]['Retry'] += 1 else: pass #TEST_NODE_LIST.append("000000000{}".format(i+1)) i = i + 1 TEST_NODE_RETRY[:] = [] for iid in TEST_NODE_RETRY_DEFAULT: if iid in TEST_NODE_LIST: TEST_NODE_RETRY.append(iid) else: #statstic for iid in statistics: statistics[iid]['Schedule'] += 1 vfs_model.generate_seed_v_frame_rand_frame2( TEST_NODE_LIST_DEFAULT, TEST_NODE_LIST) #statstic if '00030757AF' in vfs_model.rand_frame and '00030757AF' in TEST_NODE_LIST: statistics['00030757AF']['Rand'] += 1 if '000307B24B' in vfs_model.rand_frame and '000307B24B' in TEST_NODE_LIST: statistics['000307B24B']['Rand'] += 1 #send boardcast vfs_model.send_dummy_pkt( tb) # hacking, send dummy pkt to avoid data lost vfs_model.broadcast_vfs_pkt(tb, pkt_size, len(TEST_NODE_LIST), pktno + int(packno_delta)) pktno += 1 #statistic statistics['00030757AF']['Bcast'] = pktno statistics['000307B24B']['Bcast'] = pktno bs_start_time = time.time() else: pass #vfs_model.send_dummy_pkt(tb) else: #node if nd_in_response and time.time() > (nd_start_time + time_wait_for_my_slot): if not_my_business: #this run is not my run pass else: logger.info("data on hand {}".format(data)) #prepare data if upload_file: try: file_input.seek(3 * data_num) data = file_input.read(3) if data == '': thread_run = False tb.txpath.send_pkt(eof=True) tb.stop() break logger.info( "read current data {}".format(data)) except: #error end thread_run = False tb.txpath.send_pkt(eof=True) else: data = str(data_num) if data == str(TEST_DATA_MAX + 1): thread_run = False tb.txpath.send_pkt(eof=True) tb.stop() break logger.info("read current data {}".format(data)) vfs_model.send_dummy_pkt( tb) # hacking, send dummy pkt to avoid data lost vfs_model.send_vfs_pkt(NODE_ID, tb, pkt_size, data, data_num, pktno) i_care_ack = True logger.info( "\n===========================\npktno:{}\ndata numer:{}\ndata:{}\nstatistics:{}\n===========================" .format(pktno, data_num, data, statistics_dev[NODE_ID])) pktno += 1 nd_in_response = False not_my_business = False else: #print "nd_in_response{}, time {} > {} ".format(nd_in_response,time.time(), (nd_start_time + time_wait_for_my_slot)) pass #vfs_model.send_dummy_pkt(tb) #tb.txpath.send_pkt(eof=True) #while node_rx_sem.acquire(False): if not node_rx_q.empty(): payload = node_rx_q.get() if payload: #here we need to decode the payload first if IS_BS: thingy = action(tb, vfs_model, payload, NODE_ID) if thingy: (delta, node_id, node_pktno, upload_data, data_number) = thingy #check the data number in payload if vfs_model.check_data_num(node_id, data_number): logger.info("data:{} length:{}".format( upload_data, len(upload_data))) vfs_model.set_data_num( node_id, data_number + 1 & 0xffff) #keep track in vfs module try: #file_output.write(upload_data) writefile(node_id, upload_data) except: logger.info("write file fail") if upload_data == str(TEST_DATA_MAX): logger.info("=====test end=====") thread_run = False tb.txpath.send_pkt(eof=True) tb.stop() break if int(upload_data) != (last_data + 1): logger.info( "=====Error protocol fail=====upload{},check{}" .format(upload_data, last_data + 1)) thread_run = False tb.txpath.send_pkt(eof=True) tb.stop() break last_data = last_data + 1 TEST_NODE_RETRY.remove(node_id) else: logger.info("2222222222222222") logger.info("2 SEQ mismatch 2") logger.info("2222222222222222") statistics[node_id]['SEQ'] += 1 TEST_NODE_RETRY.remove(node_id) else: logger.critical("[Decode Error] payload fail") logger.info("3333333333333333") logger.info("3 Payload Error3") logger.info("3333333333333333") statistics['00030757AF']['Decode'] += 1 statistics['000307B24B']['Decode'] += 1 else: logger.info("\n... get broadcast ...") statistics_dev[NODE_ID]['GotBcast'] += 1 thingy = action(tb, vfs_model, payload, NODE_ID) if thingy: if "not-my-business" == thingy: #not schedule in this run nd_in_response = True not_my_business = True else: #success and check (node_amount, seed, delta, vf_index, alloc_index, in_rand_frame, v_frame) = thingy time_wait_for_my_slot = alloc_index * NODE_SLOT_TIME nd_start_time = time.time() nd_in_response = True if in_rand_frame: logger.info("666666666666666666666666666") logger.info("6 Rand Frame - SKIP 6") logger.info("666666666666666666666666666") statistics_dev[NODE_ID]['RAND'] += 1 not_my_business = True elif alloc_index < 0: logger.info("555555555555555555555555555") logger.info("5 No Action 5") logger.info("555555555555555555555555555") not_my_business = True statistics_dev[NODE_ID]['NoAction'] += 1 else: logger.info( "I will upload at slot {}, wait for {}s" .format(alloc_index, time_wait_for_my_slot)) not_my_business = False statistics_dev[NODE_ID]['askup'] += 1 #vfs_model.send_vfs_pkt( NODE_ID, tb, pkt_size, "**heLLo**{}".pktno, pktno) else: logger.warn("error during decode VFS_BROADCAST") logger.info("777777777777777777777777777") logger.info("7 Decode 7") logger.info("777777777777777777777777777") statistics_dev[NODE_ID]['Decode'] += 1 print "... thread out ..." #node_rx_sem.release thread = threading.Thread(target=threadjob, args=(pktno, IS_BS_ROLE, NODE_ID)) thread.daemon = True #make it a daemon thread thread_run = True thread.start() time.sleep(2) # allow time for queued packets to be sent tb.wait() # wait for it to finish thread_run = False while thread.isAlive(): time.sleep(1) try: file_input.close() except: pass try: file_output.close() except: pass print "join done"
def main(): def fwd_callback(self, packet): """ Invoked by thread associated with the out queue. The resulting packet needs to be sent out using the transmitter flowgraph. The packet could be either a DATA pkt or an ACK pkt. In both cases, only the pkt-hdr needs to be modulated @param packet: the pkt to be forwarded through the transmitter chain """ #print "fwd_callback invoked in tunnel.py" if packet.type() == 1: print "<tunnel.py> tx DATA!" #time.sleep(0.02) #IFS #time.sleep(40) self.tb.txpath.send_pkt(packet, 1, False) elif packet.type() == 2: print "<tunnel.py> tx ACK!" self.tb.txpath.send_pkt(packet, 1, False) else: print "<tunnel.py> unknown pkt type:", packet.type() def rx_callback(ok, payload, valid_timestamp, timestamp_sec, timestamp_frac_sec): global n_rcvd, n_right, batch_size, n_batch_correct, n_correct, n_total_batches n_rcvd += 1 (pktno,) = struct.unpack('!H', payload[0:2]) if ok: n_right += 1 n_correct += 1 if 1: # count the correct num of batches (works only for batch_size = 2) # if (pktno + 1) % batch_size == 0: n_total_batches += 1 # end of batch # batch_ok = 0 if n_correct == batch_size: n_batch_correct += 1 batch_ok = 1 print "batch ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d \t correct_batches: %d \t total_batches: %d \t valid_ts: %d \t sec: %d \t frac_sec: %f" % (batch_ok, pktno, n_rcvd, n_right, n_batch_correct, n_total_batches, valid_timestamp, timestamp_sec, timestamp_frac_sec) n_correct = 0 def send_pkt(payload='', eof=False): return tb.txpath.send_pkt(payload, 0, eof) def okToTx(): return tb.rxpath.okToTx() def disableOkToTx(): tb.rxpath.disableOkToTx(); def permitTx(): tb.txpath.permit_tx() def isEmpty_msgq(): return tb.txpath.isEmpty_msgq() parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-s", "--size", type="eng_float", default=400, help="set packet size [default=%default]") parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, help="set megabytes to transmit [default=%default]") parser.add_option("","--discontinuous", action="store_true", default=False, help="enable discontinuous mode") parser.add_option("","--from-file", default=None, help="use intput file for packet contents") parser.add_option("","--to-file", default=None, help="Output file for modulated samples") digital.ofdm_mod.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) (options, args) = parser.parse_args () # build the graph #tb = my_top_block(options) tb = my_top_block(rx_callback, fwd_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph # generate and send packets nbytes = int(1e6 * options.megabytes) n = 0 pktno = 0 pkt_size = int(options.size) """ while n < nbytes: if(okToTx() == True): if(pktno % 2 == 0): data = (pkt_size) * chr(3 & 0xff) else: data = (pkt_size) * chr(4 & 0xff) #data = (pkt_size - 2) * chr(pktno & 0xff) #data = (pkt_size - 2) * chr(0x34) disableOkToTx(); else: time.sleep(0.01) continue #payload = struct.pack('!H', pktno & 0xffff) + data payload = data send_pkt(payload) n += len(payload) sys.stderr.write('.') #if options.discontinuous and pktno % 5 == 4: # time.sleep(1) pktno += 1 time.sleep(0.65) #time.sleep(0.1) """ # transmits fresh innovative packets, the mapper decides how many packets/batch to send # mapper only sends out packets (innovative or not) when this loop permits it to send. num_flows = 1 if(options.src == 1): while n < nbytes: if((options.flow==0) and (n>0) and (okToTx() == False) and (num_flows == 2)): #if((okToTx() == False)): time.sleep(0.02) continue elif((options.flow==1) and (okToTx() == False) and (num_flows == 2)): time.sleep(0.02) continue else: if(isEmpty_msgq() == True): print "Send Fresh Message -- " num_sent = 0 while(num_sent < 2): if(pktno % 2 == 0): data = (pkt_size) * chr(3 & 0xff) else: data = (pkt_size) * chr(4 & 0xff) payload = data send_pkt(payload) n += len(payload) sys.stderr.write('.') pktno += 1 num_sent += 1 if(num_flows == 1): time.sleep(0.65) permitTx() send_pkt(eof=True) tb.wait() # wait for it to finish
def main(): global n_rcvd, n_right n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right (pktno, ) = struct.unpack('!H', payload[0:2]) data = payload[2:] n_rcvd += 1 if ok: n_right += 1 if options.server: sock.sendall(data) print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" % ( ok, pktno, n_rcvd, n_right) demods = digital.modulation_utils.type_1_demods() # Create Options Parser: parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), default='psk', help="Select modulation from: %s [default=%%default]" % (', '.join(demods.keys()), )) parser.add_option("", "--from-file", default=None, help="input file of samples to demod") parser.add_option("", "--server", action="store_true", default=False, help="To take data from the server") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in demods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args() if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # connect to server if options.server: sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) server_address = ('10.0.0.200', 50001) print >> sys.stderr, 'connecting to %s port %s' % server_address sock.connect(server_address) # build the graph tb = my_top_block(demods[options.modulation], rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: Failed to enable realtime scheduling." tb.start() # start flow graph tb.wait() # wait for it to finish if options.server: sock.close()
def main(): global n_rcvd, n_right, per_wait, last_n_rcvd, freq_offset per_wait = 0.2 freq_offset = 625000 n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right (pktno,) = struct.unpack('!H', payload[0:2]) n_rcvd += 1 if ok: n_right += 1 print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" % ( ok, pktno, n_rcvd, n_right) demods = digital.modulation_utils.type_1_demods() # Create Options Parser: parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), default='dqpsk', help="Select modulation from: %s [default=%%default]" % (', '.join(demods.keys()),)) parser.add_option("","--from-file", default=None, help="input file of samples to demod") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in demods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph tb = my_top_block(demods[options.modulation], rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: Failed to enable realtime scheduling." tb.start() # start flow graph last_n_rcvd = n_rcvd cur_freq_offset = freq_offset tb.source.set_freq(options.rx_freq+cur_freq_offset) while 1: global n_rcvd, n_right, per_wait, last_n_rcvd, freq_offset time.sleep(per_wait) if last_n_rcvd == n_rcvd: if cur_freq_offset > 0: cur_freq_offset = 0-freq_offset else: cur_freq_offset = freq_offset print "Switching frequency to %d\n" % (options.rx_freq+cur_freq_offset) tb.source.set_freq(options.rx_freq+cur_freq_offset) else: print "Not switching frequencies since we are still receiving\n" last_n_rcvd = n_rcvd tb.wait() # wait for it to finish
def main(): def fwd_callback(self, packet): """ Invoked by thread associated with the out queue. The resulting packet needs to be sent out using the transmitter flowgraph. The packet could be either a DATA pkt or an ACK pkt. In both cases, only the pkt-hdr needs to be modulated @param packet: the pkt to be forwarded through the transmitter chain """ #print "fwd_callback invoked in tunnel.py" if packet.type() == 1: print "<tunnel.py> tx DATA!" #time.sleep(0.02) #IFS #time.sleep(40) self.tb.txpath.send_pkt(packet, 1, False) elif packet.type() == 2: print "<tunnel.py> tx ACK!" self.tb.txpath.send_pkt(packet, 1, False) else: print "<tunnel.py> unknown pkt type:", packet.type() def rx_callback(ok, payload, valid_timestamp, timestamp_sec, timestamp_frac_sec): global n_rcvd, n_right, batch_size, n_batch_correct, n_correct, n_total_batches n_rcvd += 1 (pktno, ) = struct.unpack('!H', payload[0:2]) if ok: n_right += 1 n_correct += 1 if 1: # count the correct num of batches (works only for batch_size = 2) # if (pktno + 1) % batch_size == 0: n_total_batches += 1 # end of batch # batch_ok = 0 if n_correct == batch_size: n_batch_correct += 1 batch_ok = 1 print "batch ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d \t correct_batches: %d \t total_batches: %d \t valid_ts: %d \t sec: %d \t frac_sec: %f" % ( batch_ok, pktno, n_rcvd, n_right, n_batch_correct, n_total_batches, valid_timestamp, timestamp_sec, timestamp_frac_sec) n_correct = 0 def send_pkt(payload='', eof=False): return tb.txpath.send_pkt(payload, 0, eof) def okToTx(): return tb.rxpath.okToTx() def disableOkToTx(): tb.rxpath.disableOkToTx() def permitTx(): tb.txpath.permit_tx() def isEmpty_msgq(): return tb.txpath.isEmpty_msgq() parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-s", "--size", type="eng_float", default=400, help="set packet size [default=%default]") parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, help="set megabytes to transmit [default=%default]") parser.add_option("", "--discontinuous", action="store_true", default=False, help="enable discontinuous mode") parser.add_option("", "--from-file", default=None, help="use intput file for packet contents") parser.add_option("", "--to-file", default=None, help="Output file for modulated samples") digital.ofdm_mod.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) (options, args) = parser.parse_args() # build the graph #tb = my_top_block(options) tb = my_top_block(rx_callback, fwd_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph # generate and send packets nbytes = int(1e6 * options.megabytes) n = 0 pktno = 0 pkt_size = int(options.size) """ while n < nbytes: if(okToTx() == True): if(pktno % 2 == 0): data = (pkt_size) * chr(3 & 0xff) else: data = (pkt_size) * chr(4 & 0xff) #data = (pkt_size - 2) * chr(pktno & 0xff) #data = (pkt_size - 2) * chr(0x34) disableOkToTx(); else: time.sleep(0.01) continue #payload = struct.pack('!H', pktno & 0xffff) + data payload = data send_pkt(payload) n += len(payload) sys.stderr.write('.') #if options.discontinuous and pktno % 5 == 4: # time.sleep(1) pktno += 1 time.sleep(0.65) #time.sleep(0.1) """ # transmits fresh innovative packets, the mapper decides how many packets/batch to send # mapper only sends out packets (innovative or not) when this loop permits it to send. num_flows = 1 if (options.src == 1): while n < nbytes: if ((options.flow == 0) and (n > 0) and (okToTx() == False) and (num_flows == 2)): #if((okToTx() == False)): time.sleep(0.02) continue elif ((options.flow == 1) and (okToTx() == False) and (num_flows == 2)): time.sleep(0.02) continue else: if (isEmpty_msgq() == True): print "Send Fresh Message -- " num_sent = 0 while (num_sent < 2): if (pktno % 2 == 0): data = (pkt_size) * chr(3 & 0xff) else: data = (pkt_size) * chr(4 & 0xff) payload = data send_pkt(payload) n += len(payload) sys.stderr.write('.') pktno += 1 num_sent += 1 if (num_flows == 1): time.sleep(0.65) permitTx() send_pkt(eof=True) tb.wait() # wait for it to finish
def main(): def send_pkt(payload='', eof=False): return tb.txpath.send_pkt(payload, eof) f = open("receive_file", 'w') global n_rcvd, n_right, check_beacon_count n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right, pktno, pktno_receive, check_beacon_count n_rcvd += 1 #(pktno,) = struct.unpack('!H', payload[0:2]) if ok: n_right += 1 #print "ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d" % (ok, pktno, n_rcvd, n_right) if tb.freq / 1e6 != 600: if payload[0] == 'B': check_beacon_count = 0 time.sleep(0.01) for i in range( 0, 100 ): #if channel is f*****g dirty, send more time, it is a know-how send_pkt('A') waitime = float(payload[1:]) #print " receiving beacon: "+payload[0:] #print "receiving beacon " elif payload[0] == 'D': print " pkt #: " + payload[ 1:4] + " packet content: " + payload[ 4:] + " frequency(MHz): " + str(tb.freq / 1e6) check_beacon_count = 0 ''' time.sleep(0.01) for n in range(1,4): pktno_receive = pktno_receive + payload[n] if pktno == int(pktno_receive): pktno = pktno + 1 f.write(payload[4:]) for i in range(0,10): send_pkt('a' + str(pktno_receive)) print "receiving data" + str(pktno_receive) pktno_receive = '' elif payload[0] == 'F': time.sleep(0.01) f.close() for i in range(0,10): send_pkt('F') print payload[0:] ''' #printlst = list() #for x in payload[2:]: # t = hex(ord(x)).replace('0x', '') # if(len(t) == 1): # t = '0' + t # printlst.append(t) #printable = ''.join(printlst) #print "\n" parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("", "--discontinuous", action="store_true", default=True, help="enable discontinuous") parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, help="set megabytes to transmit [default=%default]") parser.add_option("", "--from-file", default=None, help="input file of samples to demod") parser.add_option("-s", "--size", type="eng_float", default=400, help="set packet size [default=%default]") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) digital.ofdm_mod.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) (options, args) = parser.parse_args() tb = my_top_block(rx_callback, options) fre_mgr = frequency_mgr(tb, options) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph(PHY) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph nbytes = int(1e6 * options.megabytes) n = 0 pktno = 0 pkt_size = int(options.size) data1 = -1 situation = 0 while 1: #check_beacon_count = check_beacon_count+1 #print str(tb.freq)+" MHz" #if (check_beacon_count > 1): # tb.change_freq(); # tb.set_tx_freq(tb.freq) # tb.set_rx_freq(tb.freq) # check_beacon_count =0 # print "\n" # print " Dose not receive any beacons" # print "\n" fre_mgr.query_database() #myPay. #n += len(payload) #sys.stderr.write('.') #if options.discontinuous and pktno % 5 == 4: # time.sleep(1) time.sleep(waitime / 1000) #time.sleep(0.1) #check.beacon = '' #print "the end of the interval" #pktno += 1 send_pkt(eof=True) tb.wait() # wait for it to finish
def main(): #import protocol model vfs_model = VirtualFrameScheme(PacketType, NODE_SLOT_TIME) #node rx queue/event global node_rx_q, node_rx_sem, thread_run, alloc_index, last_node_amount, go_on_flag,file_input,\ file_output, data, data_num node_rx_q = Queue.Queue(maxsize = NODE_RX_MAX) node_rx_sem = threading.Semaphore(NODE_RX_MAX) #up to the queue size thread_run = True go_on_flag = True alloc_index = -1 last_node_amount = -1 data = "**heLLo**" # default data str data_num = 0 for i in range(NODE_RX_MAX): # make all semaphore in 0 status node_rx_sem.acquire() def send_pkt(payload='', eof=False): return tb.txpath.send_pkt(payload, eof) global n_rcvd, n_right n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right n_rcvd += 1 # Filter out incorrect pkt if ok: thingy = decode_common_pkt_header(tb,payload) if not thingy: return (pktno,pkt_timestamp,pkt_type) = thingy n_right += 1 now_ts = tb.sink.get_time_now().get_real_secs() node_rx_q.put(payload) else: logger.warning("Packet fail. Drop pkt!") return parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") # parser.add_option("","--discontinuous", action="store_true", default=False, # help="enable discontinuous") parser.add_option("","--from-file", default=None, help="input file of samples") # parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, # help="set megabytes to transmit [default=%default]") parser.add_option("-s", "--size", type="eng_float", default=400, help="set packet size [default=%default]") parser.add_option("-p", "--packno", type="eng_float", default=0, help="set packet number [default=%default]") parser.add_option("","--to-file", default=None, help="Output file for modulated samples") parser.add_option("","--bs", default=None, help="assign if bs") transmit_path.add_options(parser, expert_grp) digital.ofdm_mod.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) (options, args) = parser.parse_args () # Decide is BS or Node role IS_BS_ROLE = bool(options.bs) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) if options.packno is not None: packno_delta = options.packno logger.info("assign pktno start: %d" % packno_delta) # build the graph tb = my_top_block(rx_callback, options) # USRP device aligns with PC time (NTP) pc_now = time.time() tb.sink.set_time_now(uhd.time_spec(pc_now)) tb.source.set_time_now(uhd.time_spec(pc_now)) now_ts = tb.sink.get_time_now().get_real_secs() logger.info("\n{} Adjust to PC time: {}\n".format( str(datetime.fromtimestamp(time.time())), str(datetime.fromtimestamp(now_ts)))) # get this node id NODE_ID = tb.sink.get_usrp_mboard_serial() # Append to required length NODE_ID = NODE_ID.zfill(NODE_ID_LEN) assert len(NODE_ID) == NODE_ID_LEN, "USRP NODE_ID {} len must be {}".format(NODE_ID, NODE_ID_LEN) logger.info("\nNODE ID: {}".format(NODE_ID)) #realtime scheduling r = gr.enable_realtime_scheduling() if r != gr.RT_OK: logger.warn( "Warning: failed to enable realtime scheduling") # node, open input file if assigned if not IS_BS_ROLE and (options.from_file is not None): try: file_input = open(options.from_file, "r") data = file_input.read(3) logger.info( "Input file opened successfully") except: logger.error( "Error: file not exist") # bs, open output file if assigned if IS_BS_ROLE and (options.to_file is not None): try: file_output = open(options.to_file, "w+",buffering=0) #no buffering, flush rightaway logger.info( "Output file opened successfully") except: logger.error( "Error: file not exist") tb.start() # start flow graph n = 0 pktno = 0 pkt_size = int(options.size) def threadjob(pktno,IS_BS,NODE_ID): global thread_run, data, go_on_flag, data_num logger.info("Please start host now...") boot_time = time.time() bs_start_time = 0 nd_start_time = 0 nd_in_response = False time_data_collecting = len(TEST_NODE_LIST)*NODE_SLOT_TIME time_wait_for_my_slot = 0 while thread_run: if IS_BS: if time.time() > (bs_start_time + time_data_collecting+TRANSMIT_DELAY): logger.info( "\n......Frame start......") #elapsed_time = time.time() - start_time #prepare vfs_model.generate_seed_v_frame_rand_frame(TEST_NODE_LIST) #send boardcast vfs_model.send_dummy_pkt(tb) # hacking, send dummy pkt to avoid data lost vfs_model.broadcast_vfs_pkt(tb, pkt_size, len(TEST_NODE_LIST),pktno+int(packno_delta)) pktno += 1 bs_start_time = time.time() else: pass #vfs_model.send_dummy_pkt(tb) else: #node if (nd_in_response) and (time.time() > (nd_start_time + time_wait_for_my_slot)): #prepare data if go_on_flag : # get next data logger.info( "onhand {},going to get next data".format(data)) try: data = file_input.read(3) if data == '': thread_run = False tb.txpath.send_pkt(eof=True) tb.stop() break logger.info( "read current data {}".format(data)) except: #error end thread_run = False tb.txpath.send_pkt(eof=True) else: # resend last data logger.info( "resend data {}".format(data)) vfs_model.send_dummy_pkt(tb)# hacking, send dummy pkt to avoid data lost vfs_model.send_vfs_pkt( NODE_ID, tb, pkt_size, data, data_num, pktno) logger.info( "\n===========================\npktno:{}\ndata numer:{}\ndata:{}\n===========================".format(pktno,data_num,data)) pktno += 1 nd_in_response = False else: #print "nd_in_response{}, time {} > {} ".format(nd_in_response,time.time(), (nd_start_time + time_wait_for_my_slot)) pass #vfs_model.send_dummy_pkt(tb) #tb.txpath.send_pkt(eof=True) #while node_rx_sem.acquire(False): if not node_rx_q.empty(): payload = node_rx_q.get() if payload: #here we need to decode the payload first if IS_BS: thingy = action(tb, vfs_model, payload, NODE_ID) if thingy: (delta, node_id, node_pktno, upload_data, data_number) = thingy #check the data number in payload if vfs_model.check_data_num(node_id,data_number): logger.info("data:{} length:{}".format(upload_data,len(upload_data))) vfs_model.set_data_num(node_id,data_number+1 & 0xffff) #keep track in vfs module try: #file_output.write(upload_data) writefile(node_id,upload_data) except: logger.info("write file fail") else: logger.critical("[Seq Number mismatch]") else: logger.critical("[Decode Error] payload fail") else: logger.info( "\n... get broadcast ...") thingy = action(tb, vfs_model, payload,NODE_ID) if thingy: (node_amount, seed, delta, vf_index, alloc_index, in_rand_frame, v_frame) = thingy time_wait_for_my_slot = alloc_index * NODE_SLOT_TIME logger.info( "I will upload at slot {}, wait for {}s".format(alloc_index,time_wait_for_my_slot)) nd_start_time = time.time() nd_in_response = True #vfs_model.send_vfs_pkt( NODE_ID, tb, pkt_size, "**heLLo**{}".pktno, pktno) else: logger.warn( "error during decode VFS_BROADCAST") print "... thread out ..." #node_rx_sem.release thread = threading.Thread(target = threadjob, args = (pktno,IS_BS_ROLE,NODE_ID)) thread.daemon = True #make it a daemon thread thread_run = True thread.start() time.sleep(2) # allow time for queued packets to be sent tb.wait() # wait for it to finish thread_run = False while thread.isAlive(): time.sleep(1) try: file_input.close() except: pass try: file_output.close() except: pass print "join done"
def main(): global n_rcvd, n_right, start_time, stop_rcv TIMEOUT = 60 # 60sec for hurdle 2 n_rcvd = 0 n_right = 0 start_time = 0 mstr_cnt = 0 stop_rcv = 0 TCP_IP='10.10.0.51' TCP_PORT=5125 s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) try: s.connect((TCP_IP, TCP_PORT)) except socket.error as e: print "Error connecting to the packet sink: %s" %e.strerror return def rx_callback(ok, payload): global n_rcvd, n_right, start_time, stop_rcv (pktno,crc,sn) = struct.unpack('!HLL', payload[0:10]) n_rcvd += 1 if ok: n_right += 1 try: data = s.recv(4) # if a ready packet is received s.send(payload[2:]) except socket.error as e: print "Socket error: %s" %e.strerror stop_rcv = 1 return if data.__len__() == 0: print "Connection closed" stop_rcv = 1 return if n_right == 1: start_time = time.time() if n_right == 2000: t = time.time() - start_time print"Mod : %5s, Rate : %8d, Time for 2000 pkts : %f sec\n" %(options.modulation, options.bitrate, t) stop_rcv = 1; if options.verbose: print "ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" %( ok, pktno, n_rcvd, n_right) demods = digital.modulation_utils.type_1_demods() # Create Options Parser: parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), default='psk', help="Select modulation from: %s [default=%%default]" % (', '.join(demods.keys()),)) parser.add_option("","--from-file", default=None, help="input file of samples to demod") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in demods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph tb = my_top_block(demods[options.modulation], rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: Failed to enable realtime scheduling." # log parameters to OML cmd1 = "/root/OML/omlcli --out h2_benchmark --line \"" cmd1 = cmd1 + " rx-freq=" + str(options.rx_freq) cmd1 = cmd1 + " modulation=" + str(options.modulation) cmd1 = cmd1 + " rx-gain=" + str(options.rx_gain) cmd1 = cmd1 + " bitrate=" + str(options.bitrate) cmd1 = cmd1 + " sps=" + str(options.samples_per_symbol) cmd1 = cmd1 + " hostname=" + socket.gethostname() cmd1 = cmd1 + "\"" from subprocess import os os.system(cmd1) tb.start() # start flow graph # tb.wait() # wait for it to finish while mstr_cnt < TIMEOUT*1000: if stop_rcv == 1: break; mstr_cnt = mstr_cnt + 1 time.sleep(0.001) if stop_rcv == 0: print "Receiver timed out, received %d packets successfully in %d sec" %(n_right, TIMEOUT) s.close()
def main(): mods = digital.modulation_utils.type_1_mods() demods = digital.modulation_utils.type_1_demods() parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(), default='bpsk', help="Select modulation from: %s [default=%%default]" % (', '.join(mods.keys()),)) parser.add_option("-s", "--size", type="eng_float", default=100, help="set packet size [default=%default]") parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, help="set megabytes to transmit [default=%default]") parser.add_option("","--discontinuous", action="store_true", default=False, help="enable discontinous transmission (bursts of 5 packets)") parser.add_option("","--from-file", default=None, help="use intput file for packet contents") parser.add_option("","--to-file", default=None, help="Output file for modulated samples") parser.add_option("", "--mac", default=None , help = "MAC addres") parser.add_option("", "--version", default='6' , help = "gnuradio version, default 6 (3.6)") parser.add_option("", "--mac_dst", default=None , help = "Destination MAC addres") tp36.add_options(parser, expert_grp) tp37.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) rp36.add_options(parser, expert_grp) rp37.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in demods.values(): mod.add_options(expert_grp) for mod in mods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help() sys.exit(1) if options.from_file is not None: source_file = open(options.from_file, 'r') r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" q_tx =Queue.Queue(10) q_rx =Queue.Queue(10) l1=StartL1(q_rx,q_tx,options,mods[options.modulation],demods[options.modulation]) l1.start() schL1_L2= StartSchedL1_L2(q_rx,q_tx,options.mac) schL1_L2.start() # POR AHORA NO USO CAPA MAC # l2Mgmt=StartL2Mgmt(schL1_L2.mgmt_q1,schL1_L2.tx_ev_q,options.mac,"256","Red IIE") # l2Mgmt.start() l3= schedLayer3.Layer3(schL1_L2.tx_ev_q,schL1_L2.data_q,'/dev/net/tun',options.mac,options.mac_dst) c = raw_input('Press #z to end, or #w to test commands :') while c != "#z": c = raw_input('Press #z to end, or #w to test commands :') print "Program ends" l3.stop() schL1_L2.stop() l1.stop() #POR AHORA NO ESTOY USANDO CAPA 2 # l2.stop() exit(0)
def main(): global n_rcvd, n_right n_rcvd = 0 n_right = 0 parser = OptionParser(option_class=eng_option, conflict_handler="resolve") parser.add_option( "", "--vr-configuration", type="int", default=1, help= "Default configuration for VR RX (matches the configuration of TX) [default=%default]" ) expert_grp = parser.add_option_group("Expert") expert_grp.add_option( "-p", "--port", type="intx", default=23451, help= "set UDP socket port number to ouput the received data [default=%default]" ) expert_grp.add_option("-p", "--rpc-port", type="intx", default=12345, help="set UDP socket port number [default=%default]") expert_grp.add_option("", "--host", default="127.0.0.1", help="set host IP address [default=%default]") receive_path.add_options(expert_grp, expert_grp) uhd_receiver.add_options(expert_grp) digital.ofdm_demod.add_options(expert_grp, expert_grp) (options, args) = parser.parse_args() options_vr1 = dict2obj({ 'id': 0, 'tx_amplitude': 0.125, 'freq': hydra_center_frequency + vr1_initial_shift, 'bandwidth': 1e6, 'gain': 15, 'snr': options.snr, 'file': None, 'buffersize': 4072, 'modulation': 'qpsk', 'fft_length': 1024, 'occupied_tones': 800, 'cp_length': 4, 'host': options.host, 'rpc_port': options.rpc_port, 'port': options.port, 'args': options.args, 'lo_offset': options.lo_offset, 'spec': options.spec, 'antenna': options.antenna, 'clock_source': options.clock_source, 'verbose': False, 'log': False }) options_vr2 = dict2obj({ 'id': 1, 'tx_amplitude': 0.125, 'freq': hydra_center_frequency + vr2_initial_shift, 'bandwidth': 200e3, 'gain': 15, 'snr': options.snr, 'file': None, 'buffersize': 4072, 'modulation': 'bpsk', 'fft_length': 64, 'occupied_tones': 48, 'cp_length': 2, 'host': options.host, 'rpc_port': options.rpc_port, 'port': options.port + 1, 'args': options.args, 'lo_offset': options.lo_offset, 'spec': options.spec, 'antenna': options.antenna, 'clock_source': options.clock_source, 'verbose': False, 'log': False }) vr_configuration = [options_vr1, options_vr2] if options.vr_configuration is not None: options = vr_configuration[options.vr_configuration - 1] if options.freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) cs = socket.socket(socket.AF_INET, socket.SOCK_DGRAM) def rx_callback_vr2(ok, payload): global n_rcvd, n_right, g_pkt_history (pktno, ) = struct.unpack('!H', payload[0:2]) n_rcvd += 1 if ok: n_right += 1 print "ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d" % ( ok, pktno, n_rcvd, n_right) data = payload[2:10] cs.sendto(data, (options.host, options.port)) g_pkt_history.append(PktHistory(len(data), time.time())) def rx_callback_vr1(ok, payload): global n_rcvd, n_right, g_pkt_history, pkt_buffer, n_fec MAX_RET = 2 (pktno, ) = struct.unpack('!H', payload[0:2]) n_rcvd += 1 if ok: n_right += 1 if (pktno == 1): if len(pkt_buffer) > 0 or ok: if not ok and len(pkt_buffer) > 0: n_fec += 1 data = payload[2:] if ok else pkt_buffer[0] cs.sendto(data, (options.host, options.port)) g_pkt_history.append(PktHistory(len(data), time.time())) pkt_buffer = [] else: if ok: pkt_buffer.append(payload[2:]) print "ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d \t n_fec: %d" % ( ok, pktno, n_rcvd, n_right, n_fec) # build the graph tb = my_top_block(rx_callback_vr2 if options.id == 1 else rx_callback_vr1, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph tb.wait() # wait for it to finish tb.xmlrpc_server.shutdown()
def main(): gnlogger.logconf() # initializes the logging facility module_logger.info('start this module') mods = digital.modulation_utils.type_1_mods() demods = digital.modulation_utils.type_1_demods() parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(), default='bpsk', help="Select modulation from: %s [default=%%default]" % (', '.join(mods.keys()),)) parser.add_option("-s", "--size", type="eng_float", default=100, help="set packet size [default=%default]") parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, help="set megabytes to transmit [default=%default]") parser.add_option("","--discontinuous", action="store_true", default=False, help="enable discontinous transmission (bursts of 5 packets)") parser.add_option("","--from-file", default=None, help="use intput file for packet contents") parser.add_option("","--to-file", default=None, help="Output file for modulated samples") parser.add_option("", "--mac", default=None , help = "MAC addres") parser.add_option("", "--version", default='6' , help = "gnuradio version, default 6 (3.6)") parser.add_option("", "--mac_dst", default=None , help = "Destination MAC addres") parser.add_option("","--master", action="store_true",default=False, dest= 'master', help="Master in TDMA Network") parser.add_option("","--slave", action="store_false",default=False, dest= 'master', help="Slave in TDMA Network") tp36.add_options(parser, expert_grp) tp37.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) rp36.add_options(parser, expert_grp) rp37.add_options(parser, expert_grp) uhd_receiver.add_options(parser) for mod in demods.values(): mod.add_options(expert_grp) for mod in mods.values(): mod.add_options(expert_grp) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help() sys.exit(1) if options.from_file is not None: source_file = open(options.from_file, 'r') r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" q_L1_tx =Queue.Queue(10) q_L1_rx =Queue.Queue(10) l1=StartL1(q_L1_rx,q_L1_tx,options,mods[options.modulation],demods[options.modulation]) l1.start() schL1_L2= StartSchedL1_L2(q_L1_rx,q_L1_tx) schL1_L2.start() # POR AHORA NO USO CAPA MAC # l2Mgmt=StartL2Mgmt(schL1_L2.mgmt_q1,schL1_L2.tx_ev_q,options.mac,"256","Red IIE") # l2Mgmt.start() L2_ctrl_rx_q =Queue.Queue(10) L2_data_rx_q =Queue.Queue(5) L2_event_tx_q = Queue.Queue(10) l3= schedLayer3.Layer3(L2_data_rx_q,L2_event_tx_q,'/dev/net/tun',options.mac,options.mac_dst) "OJO POR AHORA LE ESTOY PASANDO A LA MAC TDMA LA COLA DE MGMT Y NO LA CTRL PORQUE EL CANAL DE CONTRL ES UN BEACON____!!!!!!!" if options.master: net_conf = NetworkConfiguration.NetworkConfiguration(options.mac,'my network',256,1) net_conf.slots = 3 " The first slot is the control slot, the others are for data" net_conf.control_time = 0.9 " Each slot has 1 second" net_conf.list_nodes.append(options.mac) net_conf.list_nodes.append(options.mac_dst) mac_tdma = Mac.MacTdma(net_conf,schL1_L2.mgmt_q,schL1_L2.data_q,L2_ctrl_rx_q,L2_data_rx_q,schL1_L2.tx_ev_q,L2_event_tx_q,options.master) else: net_conf = NetworkConfiguration.NetworkConfiguration(options.mac,'my network',256,1) mac_tdma = Mac.MacTdma(net_conf,schL1_L2.mgmt_q,schL1_L2.data_q,L2_ctrl_rx_q,L2_data_rx_q,schL1_L2.tx_ev_q,L2_event_tx_q,options.master) c = raw_input('Press #z to end, or #w to test commands :') while c != "#z": c = raw_input('Press #z to end, or #w to test commands :') print "Program ends" l3.stop() schL1_L2.stop() l1.stop() mac_tdma.stop() #POR AHORA NO ESTOY USANDO CAPA 2 # l2.stop() exit(0)
def main(): global n_rcvd, n_right, header, pktno header , pktno = None, None n_rcvd = 0 n_right = 0 def rx_callback(ok, payload): global n_rcvd, n_right, header, pktno (pktno,) = struct.unpack('!H', payload[0:2]) (header,) = struct.unpack('!c', payload[2:3]) n_rcvd += 1 if ok: n_right += 1 if options.type=='Rx': print "Tx = %s ok = %5s pktno = %4d n_rcvd = %4d n_right = %4d" % (header, ok, pktno, n_rcvd, n_right) demods = digital.modulation_utils.type_1_demods() usage = "usage: %prog [options]" parser = OptionParser(option_class=eng_option, usage=usage, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") #usrp_options.add_rx_options(parser) ### Periodogram parameters ### parser.add_option("-d", "--decim", type="intx", default=400, help="set decimation to DECIM [default=%default]") parser.add_option("-F", "--fft-size", type="int", default=128, help="Specify number of FFT bins [default=%default]") parser.add_option("-b", "--noofbins", type="int", default=128, help="Specify number of bins to consider [default=%default]") parser.add_option("-N", "--nblocks", type="int", default=250, help="Specify size of Nblocks [default=%default]") ### For USRP2 and UHD ### parser.add_option("--scalarx", type="int", default=1000, help="Specify the scalar multiplier for USRP2 [default=%default]") parser.add_option("-a", "--args", type="string", default="", help="UHD device address args [default=%default]") parser.add_option("", "--spec", type="string", default=None, help="Subdevice of UHD device where appropriate") parser.add_option("-A", "--antenna", type="string", default=None, help="select Rx Antenna where appropriate") parser.add_option("", "--rx-freq", type="eng_float", default=None, help="set receive frequency to FREQ [default=%default]", metavar="FREQ") parser.add_option("", "--lo-offset", type="eng_float", default=0, help="set local oscillator offset in Hz (default is 0)") parser.add_option("", "--rx-gain", type="eng_float", default=None, help="set receive gain in dB (default is midpoint)") parser.add_option("-C", "--clock-source", type="string", default=None, help="select clock source (e.g. 'external') [default=%default]") ### You tell me what this is ### parser.add_option("--real-time", action="store_true", default=False, help="Attempt to enable real-time scheduling") parser.add_option("-m", "--modulation", type="choice", choices=demods.keys(), default='psk', help="Select modulation from: %s [default=%%default]" % (', '.join(demods.keys()),)) parser.add_option("","--from-file", default=None, help="input file of samples to demod") parser.add_option("-t", "--type", type="string", default="Rx/S", help="Select mode - Rx,S,Rx/S (default is Rx/S)") # Select Sensor parser.add_option("-s", "--sensor", type="string", default="S2", help="Select mode - S1,S2 (default is S2)") parser.add_option("-P", "--pfa", type="eng_float", default=0.05, help="choose the desired value for Probability of False\ Alarm [default=%default]") #usrp_options._add_options(parser) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) # transmit_path.add_options(parser, expert_grp) # uhd_transmitter.add_options(parser) (options, args) = parser.parse_args() for mod in demods.values(): mod.add_options(expert_grp) if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) #start ignore if not options.real_time: realtime = False else: # Attempt to enable realtime scheduling r = gr.enable_realtime_scheduling() if r == gr.RT_OK: realtime = True else: realtime = False print "Note: failed to enable realtime scheduling" print options store_pkt = [] tb = powerestimator(demods[options.modulation], rx_callback,options) try: tb.start() if options.type=='S' or options.type=='Rx/S': #Start the flow graph(in another thread...) and wait for a minute counter = 1 skip = 1 while 1: sleep(7) #Calculate mean and variance samples = tb.d.get_data() if len(samples) == 0: #print 'Terminating operation because RSSI = NaN!!!!!!!!!!!!!' continue spectrumdecision = 0 if skip == 1: skip = 0 continue randomvariablearray = [] N = options.nblocks ''' while(len(samples) >= N): temparray = samples[0:N] randomvariablearray.append(temparray.mean()) samples = samples[N:] ''' store_pkt.append(pktno) if len(store_pkt) > 4: del store_pkt[0:(len(store_pkt)-4)] mean = scipy.array(samples).mean() variance = scipy.array(samples, dtype = scipy.float64).var() #print len(samples) print '*'*80 print 'Mean = ', 10*math.log10(mean), '\t\t\tVariance = ',10*math.log10(variance) q.put((options.args[-1],10*math.log10(mean),10*math.log10(variance))) tb.wait() #del tb except KeyboardInterrupt: tb.stop() print 'SIGTERM received.'
def main(): global n_rcvd, n_right, rcv_buffer n_rcvd = 0 n_right = 0 rcv_buffer = list() def rx_callback(ok, payload): global n_rcvd, n_right, rcv_buffer n_rcvd += 1 (pktno, ) = struct.unpack('!H', payload[0:2]) if ok: n_right += 1 rcv_buffer.append((pktno, payload)) # print 'pktno=', pktno, ' payload=', payload[2:] print "ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d" % ( ok, pktno, n_rcvd, n_right) # print ' received ', def send_pkt(payload='', eof=False): return tb.txpath.send_pkt(payload, eof) parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("", "--discontinuous", action="store_true", default=False, help="enable discontinuous") parser.add_option("", "--from-file", default=None, help="input file of samples to demod") parser.add_option("", "--to-file", default=None, help="Output file for modulated samples") parser.add_option("-s", "--size", type="eng_float", default=400, help="set packet size [default=%default]") parser.add_option("-M", "--megabytes", type="eng_float", default=1.0, help="set megabytes to transmit [default=%default]") #rcv receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) #trans transmit_path.add_options(parser, expert_grp) digital.ofdm_mod.add_options(parser, expert_grp) uhd_transmitter.add_options(parser) (options, args) = parser.parse_args() if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph tb = my_top_block(rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph #trans nbytes = int(1e3 * options.megabytes) n = 0 pktno = 0 pkt_size = int(options.size) if 1: while n < nbytes: if options.from_file is None: #data = (pkt_size - 2) * (pktno & 0xff) data = 'hellognuradio' else: data = source_file.read(pkt_size - 2) if data == '': break payload = struct.pack('!H', pktno & 0xffff) + data send_pkt(payload) n += len(payload) print 'transmitting pktno = ', pktno pktno += 1 send_pkt(eof=True) last_rcv_time = time.clock() while 1: while len(rcv_buffer) > 0: (pktno, payload) = rcv_buffer.pop(0) print 'pktno = ', pktno, 'payload = ', payload[2:] now = time.clock() #if not sleep, it seems it will chew up all CPU! time.sleep(0.3) if (now - last_rcv_time > 2): break print '########################TEST tx_rx_self FINISHED################################' print '########################NOW BEGIN TESTING carrier sense##########################' tb.rxpath.set_carrier_threshold(2) print 'threshold = ', tb.rxpath.carrier_threshold() while 1: print 'carrier sense : ', tb.rxpath.carrier_sensed() time.sleep(0.1) tb.wait() # wait for it to finish
def main(): parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=['bpsk', 'qpsk'], default='bpsk', help="Select modulation from: bpsk, qpsk [default=%%default]") parser.add_option("-v","--verbose", action="store_true", default=False) expert_grp.add_option("-c", "--carrier-threshold", type="eng_float", default=30, help="set carrier detect threshold (dB) [default=%default]") expert_grp.add_option("","--tun-device-filename", default="/dev/net/tun", help="path to tun device file [default=%default]") digital.ofdm_mod.add_options(parser, expert_grp) digital.ofdm_demod.add_options(parser, expert_grp) transmit_path.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) uhd_transmitter.add_options(parser) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) if options.rx_freq is None or options.tx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # open the TUN/TAP interface (tun_fd, tun_ifname) = open_tun_interface(options.tun_device_filename) # Attempt to enable realtime scheduling r = gr.enable_realtime_scheduling() if r == gr.RT_OK: realtime = True else: realtime = False print "Note: failed to enable realtime scheduling" # instantiate the MAC mac = cs_mac(tun_fd, verbose=True) # build the graph (PHY) tb = my_top_block(mac.phy_rx_callback, options) mac.set_flow_graph(tb) # give the MAC a handle for the PHY print "modulation: %s" % (options.modulation,) print "freq: %s" % (eng_notation.num_to_str(options.tx_freq)) tb.rxpath.set_carrier_threshold(options.carrier_threshold) print "Carrier sense threshold:", options.carrier_threshold, "dB" print print "Allocated virtual ethernet interface: %s" % (tun_ifname,) print "You must now use ifconfig to set its IP address. E.g.," print print " $ sudo ifconfig %s 192.168.200.1" % (tun_ifname,) print print "Be sure to use a different address in the same subnet for each machine." print tb.start() # Start executing the flow graph (runs in separate threads) mac.main_loop() # don't expect this to return... tb.stop() # but if it does, tell flow graph to stop. tb.wait() # wait for it to finish
def main(): mods = digital.modulation_utils.type_1_mods() demods = digital.modulation_utils.type_1_demods() parser = OptionParser (option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(), default='gmsk', help="Select modulation from: %s [default=%%default]" % (', '.join(mods.keys()),)) parser.add_option("-s", "--size", type="eng_float", default=1500, help="set packet size [default=%default]") parser.add_option("-v","--verbose", action="store_true", default=False) parser.add_option("-p", "--PLR", type="intx", default=3, help="set packet loss rate [default=%default]") parser.add_option("-T", "--packLen", type="intx", default=200, help="set source symbol numbers [default=%default]") expert_grp.add_option("-c", "--carrier-threshold", type="eng_float", default=30, help="set carrier detect threshold (dB) [default=%default]") expert_grp.add_option("","--tun-device-filename", default="/dev/net/tun", help="path to tun device file [default=%default]") transmit_path.add_options(parser, expert_grp) receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) uhd_transmitter.add_options(parser) for mod in mods.values(): mod.add_options(expert_grp) for demod in demods.values(): demod.add_options(expert_grp) (options, args) = parser.parse_args () if len(args) != 0: parser.print_help(sys.stderr) sys.exit(1) # open the TUN/TAP interface #(tun_fd, tun_ifname) = open_tun_interface(options.tun_device_filename) if options.rx_freq is None or options.tx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # Attempt to enable realtime scheduling r = gr.enable_realtime_scheduling() if r == gr.RT_OK: realtime = True else: realtime = False print "Note: failed to enable realtime scheduling" # instantiate the MAC #mac = cs_mac(tun_fd, verbose=True) mac = cs_mac(verbose=True) # build the graph (PHY) tb = my_top_block(mods[options.modulation], demods[options.modulation], mac.phy_rx_callback, options) mac.set_top_block(tb) # give the MAC a handle for the PHY if tb.txpath.bitrate() != tb.rxpath.bitrate(): print "WARNING: Transmit bitrate = %sb/sec, Receive bitrate = %sb/sec" % ( eng_notation.num_to_str(tb.txpath.bitrate()), eng_notation.num_to_str(tb.rxpath.bitrate())) print "modulation: %s" % (options.modulation,) print "freq: %s" % (eng_notation.num_to_str(options.tx_freq)) print "bitrate: %sb/sec" % (eng_notation.num_to_str(tb.txpath.bitrate()),) print "samples/symbol: %3d" % (tb.txpath.samples_per_symbol(),) tb.rxpath.set_carrier_threshold(options.carrier_threshold) print "Carrier sense threshold:", options.carrier_threshold, "dB" source_file = open('./foreman_cif.264', 'r') #print 'zhifeng: from file' #print 'source_file = ', source_file file_data = source_file.read() file_length = len(file_data) #print "file length is", file_length #print file_data #raw_input('zhifeng on 070928: press any key to continue') source_file.close() tb.start() # Start executing the flow graph (runs in separate threads) #K = 100 print "PLR: %s" % (options.PLR,) mac.main_loop(file_data, options.packLen, options.PLR) # don't expect this to return... tb.stop() # but if it does, tell flow graph to stop. tb.wait() # wait for it to finish
def main(): global n_rcvd, n_right n_rcvd = 0 n_right = 0 def rx_callback(ok, payload, secs, frac_secs, cfo): global n_rcvd, n_right n_rcvd += 1 (pktno,) = struct.unpack('!H', payload[0:2]) #pktno = 0 if ok: n_right += 1 print "timestamp: %f \t ok: %r \t pktno: %d \t n_rcvd: %d \t n_right: %d \t cfo: %f" % (secs+frac_secs, ok, pktno, n_rcvd, n_right, cfo) if 1: printlst = list() for x in payload[2:]: t = hex(ord(x)).replace('0x', '') if(len(t) == 1): t = '0' + t printlst.append(t) printable = ''.join(printlst) print printable print "\n" parser = OptionParser(option_class=eng_option, conflict_handler="resolve") expert_grp = parser.add_option_group("Expert") parser.add_option("","--discontinuous", action="store_true", default=False, help="enable discontinuous") parser.add_option("","--external", action="store_true", default=False, help="enable discontinuous") parser.add_option("","--from-file", default=None, help="input file of samples to demod") parser.add_option("", "--log", action="store_true", default=False, help="Log all parts of flow graph to file (CAUTION: lots of data)") parser.add_option("", "--mode", type="string", default='benchmark', help="Mode of OFDM_SYNC_PN: benchmark or fpnc") receive_path.add_options(parser, expert_grp) uhd_receiver.add_options(parser) digital.ofdm_demod.add_options(parser, expert_grp) (options, args) = parser.parse_args () if options.from_file is None: if options.rx_freq is None: sys.stderr.write("You must specify -f FREQ or --freq FREQ\n") parser.print_help(sys.stderr) sys.exit(1) # build the graph tb = my_top_block(rx_callback, options) r = gr.enable_realtime_scheduling() if r != gr.RT_OK: print "Warning: failed to enable realtime scheduling" tb.start() # start flow graph tb.wait() # wait for it to finish