示例#1
0
    def __init__(self, callback):
        gr.top_block.__init__(self)

        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")
        transceiver.add_options(parser, expert_grp)
        args = ['-f', '2.4G', '-u', '1', '-i', '64', '-d', '32']
        (options, args) = parser.parse_args(args)

        #init receive
        self._rx_freq = options.rx_freq
        self._rx_gain = options.rx_gain
        self._rx_subdev_spec = options.rx_subdev_spec
        self._decim = options.decim

        #init transmit
        self._tx_freq = options.tx_freq
        self._tx_subdev_spec = options.tx_subdev_spec
        self._interp = options.interp

        #check receive
        if self._rx_freq is None:
            sys.stderr.write(
                "-f FREQ or --freq FREQ or --rx-freq FREQ must be specified\n")
            raise SystemExit

        #check transmit
        if self._tx_freq is None:
            sys.stderr.write(
                "-f FREQ or --freq FREQ or --rx-freq FREQ must be specified\n")
            raise SystemExit

        demods = modulation_utils.type_1_demods()
        self.rx_path = usrp_receive_path.usrp_receive_path(
            demods[options.modulation], callback, options)
        self.connect(self.rx_path)

        mods = modulation_utils.type_1_mods()
        self.tx_path = usrp_transmit_path.usrp_transmit_path(
            mods[options.modulation], options)
        self.connect(self.tx_path)
        r = gr.enable_realtime_scheduling()
        if r != gr.RT_OK:
            print "Warning: failed to enable realtime scheduling"
示例#2
0
    def __init__(self):
        self.macAddr = 0
        args = ["-f", "2.4G", "-R", "B", "-T", "B"]

        demods = modulation_utils.type_1_demods()
        mods = modulation_utils.type_1_mods()

        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()), ))

        usrp_transmit_path.add_options(parser, expert_grp)
        usrp_receive_path.add_options(parser, expert_grp)

        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(args)

        self.tb = my_top_block(demods[options.modulation],
                               mods[options.modulation], self.callback,
                               options)

        r = gr.enable_realtime_scheduling()
        if r != gr.RT_OK:
            print 'Warning: Failed to enable realtime scheduling.'
        self.tb.start()
        self.n_rcvd = 0
        self.n_right = 0
        self.pkt_no = 0

        print "server init ok!"
示例#3
0
    def add_options(normal, expert):
        """
        Adds usrp-specific options to the Options Parser
        """
        add_freq_option(normal)
        mods = modulation_utils.type_1_mods()
        demods = modulation_utils.type_1_demods()

        normal.add_option("-m", "--modulation", type="choice", choices=mods.keys(),
                      default='gmsk',
                      help="Select modulation from: %s [default=%%default]"
                            % (', '.join(mods.keys()),))

        #other necessary options
        usrp_transmit_path.add_options(normal, expert)
        usrp_receive_path.add_options(normal, expert)
        for mod in mods.values():
            mod.add_options(expert)
        for demod in demods.values():
            demod.add_options(expert)
示例#4
0
    def __init__(self, callback):
        gr.top_block.__init__(self)
        
        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")
        transceiver.add_options(parser, expert_grp)
        args = ['-f', '2.4G', '-u', '1', '-i', '64', '-d', '32']
        (options, args) = parser.parse_args(args)

        #init receive
        self._rx_freq = options.rx_freq
        self._rx_gain = options.rx_gain
        self._rx_subdev_spec = options.rx_subdev_spec
        self._decim = options.decim

        #init transmit
        self._tx_freq = options.tx_freq
        self._tx_subdev_spec = options.tx_subdev_spec
        self._interp = options.interp
        
        #check receive
        if self._rx_freq is None:
            sys.stderr.write("-f FREQ or --freq FREQ or --rx-freq FREQ must be specified\n")
            raise SystemExit

        #check transmit
        if self._tx_freq is None:
            sys.stderr.write("-f FREQ or --freq FREQ or --rx-freq FREQ must be specified\n")
            raise SystemExit

        demods = modulation_utils.type_1_demods()
        self.rx_path = usrp_receive_path.usrp_receive_path(demods[options.modulation], callback, options)
        self.connect(self.rx_path)

        mods = modulation_utils.type_1_mods()
        self.tx_path = usrp_transmit_path.usrp_transmit_path(mods[options.modulation], options)
        self.connect(self.tx_path)
        r = gr.enable_realtime_scheduling()
        if r != gr.RT_OK:
            print "Warning: failed to enable realtime scheduling"
示例#5
0
    def __init__(self):
        self.macAddr = 1
        args = ["-f", "2.4G", "-R", "B", "-T", "B"]

        demods = modulation_utils.type_1_demods()
        mods = modulation_utils.type_1_mods()

        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()),))

        usrp_transmit_path.add_options(parser, expert_grp)
        usrp_receive_path.add_options(parser, expert_grp)

        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(args)
        
        self.tb = my_top_block(demods[options.modulation], mods[options.modulation], self.callback, options)

        r = gr.enable_realtime_scheduling()
        if r != gr.RT_OK:
            print 'Warning: Failed to enable realtime scheduling.'
        self.tb.start()
        self.n_rcvd = 0
        self.n_right = 0
        self.pkt_no = 0
        self.reqId = 0

        print "client init ok!"
示例#6
0
    def add_options(normal, expert):
        """
        Adds usrp-specific options to the Options Parser
        """
        add_freq_option(normal)
        mods = modulation_utils.type_1_mods()
        demods = modulation_utils.type_1_demods()

        normal.add_option(
            "-m",
            "--modulation",
            type="choice",
            choices=mods.keys(),
            default='gmsk',
            help="Select modulation from: %s [default=%%default]" %
            (', '.join(mods.keys()), ))

        #other necessary options
        usrp_transmit_path.add_options(normal, expert)
        usrp_receive_path.add_options(normal, expert)
        for mod in mods.values():
            mod.add_options(expert)
        for demod in demods.values():
            demod.add_options(expert)
示例#7
0
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
        (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 = modulation_utils.type_1_demods()

    mods = modulation_utils.type_1_mods()

    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("-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 file for packet contents")

    usrp_transmit_path.add_options(parser, expert_grp)
    usrp_receive_path.add_options(parser, expert_grp)
    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.exit(1)

    if options.tx_freq is None or 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)

    tb = my_top_block(demods[options.modulation], mods[options.modulation],
                      rx_callback, options)

    r = gr.enable_realtime_scheduling()
    if r != gr.RT_OK:
        print 'Warning: Failed to enable realtime scheduling.'

    tb.start()
    # 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 & 0xffff) + data
        send_pkt(payload)
        n += len(payload)
        sys.stderr.write('.')
        time.sleep(0.01)
        if options.discontinuous and pktno % 5 == 4:
            time.sleep(1)
        pktno += 1

    send_pkt('', True)
    tb.wait()
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)
        # print payload[2:len(payload)]

    def send_pkt(payload='', eof=False):
        return tb.txpath.send_pkt(payload, eof)


    mods = modulation_utils.type_1_mods()
    demods = modulation_utils.type_1_demods()

    parser = OptionParser(option_class=eng_option, conflict_handler="resolve")
    expert_grp = parser.add_option_group("Expert")
    channel_grp = parser.add_option_group("Channel")

    parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(),
                      default='dbpsk',
                      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("-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)")

    channel_grp.add_option("", "--sample-rate", type="eng_float", default=1e5,
                           help="set speed of channel/simulation rate to RATE [default=%default]") 
    channel_grp.add_option("", "--snr", type="eng_float", default=30,
                           help="set the SNR of the channel in dB [default=%default]")
    channel_grp.add_option("", "--frequency-offset", type="eng_float", default=0,
                           help="set frequency offset introduced by channel [default=%default]")
    channel_grp.add_option("", "--seed", action="store_true", default=False,
                           help="use a random seed for AWGN noise [default=%default]")

    transmit_path.add_options(parser, expert_grp)
    receive_path.add_options(parser, expert_grp)

    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.exit(1)
 
    r = gr.enable_realtime_scheduling()
    if r != gr.RT_OK:
        print "Warning: failed to enable realtime scheduling"
        
    # Create an instance of a hierarchical block
    tb = my_top_block(mods[options.modulation], demods[options.modulation], rx_callback, options)
    tb.start()

    # generate and send packets
    nbytes = int(1e6 * options.megabytes)
    n = 0
    pktno = 0
    pkt_size = int(options.size)

    while n < nbytes:
        send_pkt(struct.pack('!H', pktno & 0xffff) + (pkt_size - 2) * chr(pktno & 0xff))
        n += pkt_size
        pktno += 1
        
    send_pkt(eof=True)

    tb.wait()
示例#9
0
def main():

    global n_rcvd, n_right, pktno

    n_rcvd = 0
    n_right = 0
    pktno = 0
    
    def rx_callback(ok, payload):
        global n_rcvd, n_right, pktno
        (pktno,) = struct.unpack('!H', payload[0:2])
        n_rcvd += 1
        if ok:
            n_right += 1

        if not options.gui:
            print "ok = %5s  pktno = %4d  n_rcvd = %4d  n_right = %4d" % (
                ok, pktno, n_rcvd, n_right)
        

    def send_pkt(payload='', eof=False):
        return tb.txpath.send_pkt(payload, eof)

    mods = modulation_utils.type_1_mods()
    demods = modulation_utils.type_1_demods()

    parser = OptionParser(option_class=eng_option, conflict_handler="resolve")
    expert_grp = parser.add_option_group("Expert")
    channel_grp = parser.add_option_group("Channel")

    parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(),
                      default='dbpsk',
                      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("-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("-G", "--gui", action="store_true", default=False,
                      help="Turn on the GUI [default=%default]")

    channel_grp.add_option("", "--sample-rate", type="eng_float", default=1e5,
                           help="set speed of channel/simulation rate to RATE [default=%default]") 
    channel_grp.add_option("", "--snr", type="eng_float", default=30,
                           help="set the SNR of the channel in dB [default=%default]")
    channel_grp.add_option("", "--frequency-offset", type="eng_float", default=0,
                           help="set frequency offset introduced by channel [default=%default]")
    channel_grp.add_option("", "--timing-offset", type="eng_float", default=1.0,
                           help="set timing offset introduced by channel [default=%default]")
    channel_grp.add_option("", "--seed", action="store_true", default=False,
                           help="use a random seed for AWGN noise [default=%default]")

    transmit_path.add_options(parser, expert_grp)
    receive_path.add_options(parser, expert_grp)

    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.exit(1)
        
    r = gr.enable_realtime_scheduling()
    if r != gr.RT_OK:
        print "Warning: failed to enable realtime scheduling"
        
    # Create an instance of a hierarchical block
    tb = my_top_block(mods[options.modulation],
                      demods[options.modulation],
                      rx_callback, options)
    tb.start()

    packet_sender = th_send(send_pkt, options.megabytes, options.size)
    packet_sender.start()

    if(options.gui):
        tb.qapp.exec_()
        packet_sender.stop()
    else:
        # Process until done; hack in to the join to stop on an interrupt
        while(packet_sender.isAlive()):
            try:
                packet_sender.join(1)
            except KeyboardInterrupt:
                packet_sender.stop()
示例#10
0
def main():

    def send_pkt(payload='', eof=False):
        return tb.txpath.send_pkt(payload, eof)

    def rx_callback(ok, payload):
        print "ok = %r, payload = '%s'" % (ok, payload)

    mods = modulation_utils.type_1_mods()

    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("-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 file for packet contents")

    usrp_transmit_path.add_options(parser, 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.tx_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.from_file is not None:
        source_file = open(options.from_file, 'r')

    # build the graph
    tb = my_top_block(mods[options.modulation], 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 & 0xffff) + data
        send_pkt(payload)
        n += len(payload)
        sys.stderr.write('.')
        time.sleep(0.01)	
        if options.discontinuous and pktno % 5 == 4:
            time.sleep(1)
        pktno += 1
        
    send_pkt(eof=True)

    tb.wait()                       # wait for it to finish
示例#11
0
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)
        # print payload[2:len(payload)]

    def send_pkt(payload='', eof=False):
        return tb.txpath.send_pkt(payload, eof)

    mods = modulation_utils.type_1_mods()
    demods = modulation_utils.type_1_demods()

    parser = OptionParser(option_class=eng_option, conflict_handler="resolve")
    expert_grp = parser.add_option_group("Expert")
    channel_grp = parser.add_option_group("Channel")

    parser.add_option("-m",
                      "--modulation",
                      type="choice",
                      choices=mods.keys(),
                      default='dbpsk',
                      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("-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)")

    channel_grp.add_option(
        "",
        "--sample-rate",
        type="eng_float",
        default=1e5,
        help="set speed of channel/simulation rate to RATE [default=%default]")
    channel_grp.add_option(
        "",
        "--snr",
        type="eng_float",
        default=30,
        help="set the SNR of the channel in dB [default=%default]")
    channel_grp.add_option(
        "",
        "--frequency-offset",
        type="eng_float",
        default=0,
        help="set frequency offset introduced by channel [default=%default]")
    channel_grp.add_option(
        "",
        "--seed",
        action="store_true",
        default=False,
        help="use a random seed for AWGN noise [default=%default]")

    transmit_path.add_options(parser, expert_grp)
    receive_path.add_options(parser, expert_grp)

    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.exit(1)

    r = gr.enable_realtime_scheduling()
    if r != gr.RT_OK:
        print "Warning: failed to enable realtime scheduling"

    # Create an instance of a hierarchical block
    tb = my_top_block(mods[options.modulation], demods[options.modulation],
                      rx_callback, options)
    tb.start()

    # generate and send packets
    nbytes = int(1e6 * options.megabytes)
    n = 0
    pktno = 0
    pkt_size = int(options.size)

    while n < nbytes:
        send_pkt(
            struct.pack('!H', pktno & 0xffff) +
            (pkt_size - 2) * chr(pktno & 0xff))
        n += pkt_size
        pktno += 1

    send_pkt(eof=True)

    tb.wait()
示例#12
0
def main():

    global n_rcvd, n_right, pktno

    n_rcvd = 0
    n_right = 0
    pktno = 0
    
    def rx_callback(ok, payload):
        global n_rcvd, n_right, pktno
        (pktno,) = struct.unpack('!H', payload[0:2])
        n_rcvd += 1
        if ok:
            n_right += 1

        if not options.gui:
            print "ok = %5s  pktno = %4d  n_rcvd = %4d  n_right = %4d" % (
                ok, pktno, n_rcvd, n_right)
        

    def send_pkt(payload='', eof=False):
        return tb.txpath.send_pkt(payload, eof)

    mods = modulation_utils.type_1_mods()
    demods = modulation_utils.type_1_demods()

    parser = OptionParser(option_class=eng_option, conflict_handler="resolve")
    expert_grp = parser.add_option_group("Expert")
    channel_grp = parser.add_option_group("Channel")

    parser.add_option("-m", "--modulation", type="choice", choices=mods.keys(),
                      default='dbpsk',
                      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("-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("-G", "--gui", action="store_true", default=False,
                      help="Turn on the GUI [default=%default]")

    channel_grp.add_option("", "--sample-rate", type="eng_float", default=1e5,
                           help="set speed of channel/simulation rate to RATE [default=%default]") 
    channel_grp.add_option("", "--snr", type="eng_float", default=30,
                           help="set the SNR of the channel in dB [default=%default]")
    channel_grp.add_option("", "--frequency-offset", type="eng_float", default=0,
                           help="set frequency offset introduced by channel [default=%default]")
    channel_grp.add_option("", "--timing-offset", type="eng_float", default=1.0,
                           help="set timing offset introduced by channel [default=%default]")
    channel_grp.add_option("", "--seed", action="store_true", default=False,
                           help="use a random seed for AWGN noise [default=%default]")

    transmit_path.add_options(parser, expert_grp)
    receive_path.add_options(parser, expert_grp)

    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.exit(1)
        
    r = gr.enable_realtime_scheduling()
    if r != gr.RT_OK:
        print "Warning: failed to enable realtime scheduling"
        
    # Create an instance of a hierarchical block
    tb = my_top_block(mods[options.modulation],
                      demods[options.modulation],
                      rx_callback, options)
    tb.start()

    packet_sender = th_send(send_pkt, options.megabytes, options.size)
    packet_sender.start()

    if(options.gui):
        tb.qapp.exec_()
        packet_sender.stop()
    else:
        # Process until done; hack in to the join to stop on an interrupt
        while(packet_sender.isAlive()):
            try:
                packet_sender.join(1)
            except KeyboardInterrupt:
                packet_sender.stop()
示例#13
0
def main():

    def send_pkt(payload='', eof=False):
        return tb.txpath.send_pkt(payload, eof)

    def rx_callback(ok, payload):
        print "ok = %r, payload = '%s'" % (ok, payload)

    mods = modulation_utils.type_1_mods()

    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("-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 file for packet contents")
    parser.add_option("","--location", type="string", 
                      default = "[-80.422221051169391, 37.233082631938416]",
                      help="set radio location in [lon, lat] (default=%default)")

    usrp_transmit_path.add_options(parser, 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.tx_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.from_file is not None:
        source_file = open(options.from_file, 'r')

    # build the graph
    tb = my_top_block(mods[options.modulation], 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
    team_ID = 30376

    n = 0
    pktno = 0
    pkt_size = int(options.size)


    f = open('plb_data','r')
    all_lines = f.readlines()
    f.close()
    os.system('cat /dev/null > plb_data')
    all_lines = "".join(all_lines)
    all_lines = all_lines.split("\n")
    all_lines.pop()

    payload4 = struct.pack('!H', team_ID & 0xffff)

    # original location
    # '[-80.422221051169391, 37.233082631938416]'
    loc_payload = format_loc(options.location)
   

    for n in all_lines:

        n = n.split(',')
        data = (pkt_size - 28) * chr(pktno & 0xff)
        payload1 = struct.pack('!H', pktno & 0xffff)
        payload2 = struct.pack('!H', int(n[0]) & 0xffff)
        payload3 = struct.pack('!H', int(n[1]) & 0xffff)
        payload = payload1 + payload2 + payload3 + payload4 + loc_payload + data

        send_pkt(payload)
        sys.stderr.write('.')
        if options.discontinuous and pktno % 5 == 4:
            time.sleep(1)
        pktno += 1
        if pktno % 20 == 0:
            print "\npktno: %d \n" %pktno 
            print "last location: ", options.location
            os.system('echo ' + options.location + ' > last_location')

    print "finished transmitting"


    # import all data from file
    # 
    # send out all pkt numbers
    # fin


         

        
    send_pkt(eof=True)

    tb.wait()                       # wait for it to finish
示例#14
0
def main():

    time.sleep(5)

    def send_pkt(payload='', eof=False):
        return tb.txpath.send_pkt(payload, eof)

    def rx_callback(ok, payload):
        print "ok = %r, payload = '%s'" % (ok, payload)

    mods = modulation_utils.type_1_mods()

    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("-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 file for packet contents")

    usrp_transmit_path.add_options(parser, 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.tx_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.from_file is not None:
        source_file = open(options.from_file, 'r')

    # build the graph
    tb = my_top_block(mods[options.modulation], 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

    f = open('beacon_id', 'r')
    lines = f.readlines()
    f.close()
    if not (len(lines) == 0):
        item = lines.pop(0)
        beacon_ID = int(item.strip('[]\n'))
    else:
        beacon_ID = 909

    nbytes = int(1e6 * options.megabytes)
    n = 0
    pktno = 0
    pkt_size = int(options.size)

    while n < nbytes:
        #18 is new, old value was 4
        if options.from_file is None:
            data = (pkt_size - 18) * chr(pktno & 0xff)
        else:
            data = source_file.read(pkt_size - 2)
            if data == '':
                break

        payload1 = struct.pack('!H', pktno & 0xffff)
        payload2 = struct.pack('!H', beacon_ID & 0xffff)

        #time magic
        t = "%.15f" % time.time()
        t = t.split('.')
        t_mant = t[0]
        t_frac = t[1]

        payload3 = struct.pack('!H', int(t_mant[0:4]) & 0xffff)
        payload4 = struct.pack('!H', int(t_mant[4:8]) & 0xffff)
        payload5 = struct.pack('!H', int(t_mant[8:len(t_mant)]) & 0xffff)

        payload6 = struct.pack('!H', int(t_frac[0:4]) & 0xffff)
        payload7 = struct.pack('!H', int(t_frac[4:8]) & 0xffff)
        payload8 = struct.pack('!H', int(t_frac[8:12]) & 0xffff)
        payload9 = struct.pack('!H', int(t_frac[12:len(t_frac)]) & 0xffff)

        #payloads added here as well
        payload = (payload1 + payload2 + payload3 + payload4 + payload5 +
                   payload6 + payload7 + payload8 + payload9 + 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)

    tb.wait()  # wait for it to finish
示例#15
0
def main():

    mods = modulation_utils.type_1_mods()
    demods = modulation_utils.type_1_demods()

    parser = OptionParser (option_class=eng_option, conflict_handler="resolve")
    expert_grp = parser.add_option_group("Expert")
    expert_grp.add_option("", "--rx-freq", type="eng_float", default=None,
                          help="set Rx frequency to FREQ [default=%default]", metavar="FREQ")
    expert_grp.add_option("", "--tx-freq", type="eng_float", default=None,
                          help="set transmit frequency to FREQ [default=%default]", metavar="FREQ")
    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("-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]")

    usrp_transmit_path.add_options(parser, expert_grp)
    usrp_receive_path.add_options(parser, expert_grp)

    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"


    # If the user hasn't set the fusb_* parameters on the command line,
    # pick some values that will reduce latency.

    if options.fusb_block_size == 0 and options.fusb_nblocks == 0:
        if realtime:                        # be more aggressive
            options.fusb_block_size = gr.prefs().get_long('fusb', 'rt_block_size', 1024)
            options.fusb_nblocks    = gr.prefs().get_long('fusb', 'rt_nblocks', 16)
        else:
            options.fusb_block_size = gr.prefs().get_long('fusb', 'block_size', 4096)
            options.fusb_nblocks    = gr.prefs().get_long('fusb', 'nblocks', 16)
    
    #print "fusb_block_size =", options.fusb_block_size
    #print "fusb_nblocks    =", options.fusb_nblocks

    # 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(),)
    #print "interp:         %3d" % (tb.txpath.interp(),)
    #print "decim:          %3d" % (tb.rxpath.decim(),)

    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
示例#16
0
def main():

    mods = modulation_utils.type_1_mods()
    demods = 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("-v", "--verbose", action="store_true", default=False)
    parser.add_option("-n",
                      "--nodeid",
                      type="int",
                      default=None,
                      help="specify node ID")
    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)

    for mod in mods.values():
        mod.add_options(expert_grp)

    for demod in demods.values():
        demod.add_options(expert_grp)

    fusb_options.add_options(expert_grp)

    (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"

    # If the user hasn't set the fusb_* parameters on the command line,
    # pick some values that will reduce latency.

    if options.fusb_block_size == 0 and options.fusb_nblocks == 0:
        if realtime:  # be more aggressive
            options.fusb_block_size = gr.prefs().get_long(
                'fusb', 'rt_block_size', 1024)
            options.fusb_nblocks = gr.prefs().get_long('fusb', 'rt_nblocks',
                                                       16)
        else:
            options.fusb_block_size = gr.prefs().get_long(
                'fusb', 'block_size', 4096)
            options.fusb_nblocks = gr.prefs().get_long('fusb', 'nblocks', 16)

    #print "fusb_block_size =", options.fusb_block_size
    #print "fusb_nblocks    =", options.fusb_nblocks

    # instantiate the MAC
    mac = cs_mac(verbose=False)

    # 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(), )
    #print "interp:         %3d" % (tb.txpath.interp(),)
    #print "decim:          %3d" % (tb.rxpath.decim(),)

    tb.rxpath.set_carrier_threshold(options.carrier_threshold)

    tb.start()  # Start executing the flow graph (runs in separate threads)
示例#17
0
def main():

    def send_pkt(payload='', eof=False):
        return tb.txpath.send_pkt(payload, eof)

    def rx_callback(ok, payload):
        print "ok = %r, payload = '%s'" % (ok, payload)

    mods = modulation_utils.type_1_mods()

    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("-M", "--megabytes", type="eng_float", default=0,
                      help="set megabytes to transmit [default=inf]")
    parser.add_option("-I", "--audio-input", type="string", default="",
                      help="pcm input device name.  E.g., hw:0,0 or /dev/dsp")
    usrp_transmit_path.add_options(parser, expert_grp)

    for mod in mods.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.exit(1)

    if 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 graph
    tb = my_top_block(mods[options.modulation], 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

    while nbytes == 0 or n < nbytes:
        packet = tb.audio_rx.get_encoded_voice_packet()
        s = packet.to_string()
        send_pkt(s)
        n += len(s)
        sys.stderr.write('.')
        pktno += 1
        
    send_pkt(eof=True)
    tb.wait()                       # wait for it to finish
示例#18
0
def main():
    def send_pkt(payload='', eof=False):
        return tb.txpath.send_pkt(payload, eof)

    def rx_callback(ok, payload):
        print "ok = %r, payload = '%s'" % (ok, payload)

    mods = modulation_utils.type_1_mods()

    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("-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 file for packet contents")

    usrp_transmit_path.add_options(parser, 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.tx_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.from_file is not None:
        source_file = open(options.from_file, 'r')

    # build the graph
    tb = my_top_block(mods[options.modulation], 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)

    try:
        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) + data
            send_pkt(payload)
            n += len(payload)
            sys.stderr.write('.')
            if options.discontinuous and pktno % 5 == 4:
                time.sleep(1)
            pktno += 1
    except KeyboardInterrupt:
        pass

    send_pkt(eof=True)
    tb.stop()
    tb.wait()  # wait for it to finish
示例#19
0
文件: usrp_tos.py 项目: nesl/uant
def main():

    mods = modulation_utils.type_1_mods()
    demods = 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("-v","--verbose", action="store_true", default=False)
    parser.add_option("-n", "--nodeid", type="int", default=None,
                              help="specify node ID")
    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)

    for mod in mods.values():
        mod.add_options(expert_grp)

    for demod in demods.values():
        demod.add_options(expert_grp)

    fusb_options.add_options(expert_grp)

    (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"


    # If the user hasn't set the fusb_* parameters on the command line,
    # pick some values that will reduce latency.

    if options.fusb_block_size == 0 and options.fusb_nblocks == 0:
        if realtime:                        # be more aggressive
            options.fusb_block_size = gr.prefs().get_long('fusb', 'rt_block_size', 1024)
            options.fusb_nblocks    = gr.prefs().get_long('fusb', 'rt_nblocks', 16)
        else:
            options.fusb_block_size = gr.prefs().get_long('fusb', 'block_size', 4096)
            options.fusb_nblocks    = gr.prefs().get_long('fusb', 'nblocks', 16)
    
    #print "fusb_block_size =", options.fusb_block_size
    #print "fusb_nblocks    =", options.fusb_nblocks

    # instantiate the MAC
    mac = cs_mac(verbose=False)

    # 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(),)
    #print "interp:         %3d" % (tb.txpath.interp(),)
    #print "decim:          %3d" % (tb.rxpath.decim(),)

    tb.rxpath.set_carrier_threshold(options.carrier_threshold)


    tb.start()    # Start executing the flow graph (runs in separate threads)
示例#20
0
def main():

    def send_pkt(payload=None, eof=False):
        return tb.txpath.send_pkt(payload, eof)

    def rx_callback(ok, payload):
        print "ok = %r, payload = '%s'" % (ok, payload)

    mods = modulation_utils.type_1_mods()
    print "mods: ",mods

    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='dbpsk', #'dbpsk', need to add SNR stuff from 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("-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 file for packet contents")

    usrp_transmit_path.add_options(parser, 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.tx_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.from_file is not None:
        source_file = open(options.from_file, 'r')

    # build the graph
    tb = my_top_block(mods[options.modulation], 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)
    nbytes = 100
    n = 0
    pktno = 0
    pkt_size = int(options.size)
    

    f = open('/home/georgios_colleen/gnuradio/gnuradio-examples/python/digital/sent.txt', 'a')

    filedone=False
    while pktno < nbytes: #why are we limiting to 100 pkts being sent???
        print("---------------------pktno = %i, nbytes = %i--------------------"%(pktno,nbytes))
        if options.from_file is None:
            data = (pkt_size - 2) * chr(pktno & 0xff) 
        elif not(filedone):
            fromfile = source_file.read(pkt_size - 2)
            print("fromfile = %s\n"%fromfile)
            if fromfile == '':
                filedone = True
                continue
            data = fromfile#recode(fromfile)
            f.write(fromfile+"\n")
        elif len(packet_utils2.coded) > 0:
            print("CALLING WITH NO PAYLOAD")
            send_pkt(None)
            continue
        else: break #we really, truly have nothing left to send
            
        #struct.pack(fmt, v1, v2, ...)
        #Return a string containing the values v1, v2, ...
        payload = struct.pack('!H', pktno & 0xffff) + data
        print type(data)#struct.pack('!H', pktno & 0xffff)#payload
        
        send_pkt(payload)
        print("returned from send_pkt")
        n += len(payload)
        sys.stderr.write('.')
        if options.discontinuous and pktno % 10 == 9:
            time.sleep(1)
        pktno += 1

    time.sleep(3)
    print("About to send EOF")
    send_pkt(eof=True)
    
    tb.wait()                       # wait for it to finish
示例#21
0
def main():

    mods = modulation_utils.type_1_mods()
    demods = modulation_utils.type_1_demods()

    parser = OptionParser (option_class=eng_option, conflict_handler="resolve")
    expert_grp = parser.add_option_group("Expert")
    expert_grp.add_option("", "--rx-freq", type="eng_float", default=None,
                          help="set Rx frequency to FREQ [default=%default]", metavar="FREQ")
    expert_grp.add_option("", "--tx-freq", type="eng_float", default=None,
                          help="set transmit frequency to FREQ [default=%default]", metavar="FREQ")
    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("-b","--bssid", default="00:00:00:00:00:00",
                    help="set bssid for network in the form xx:xx:xx:xx:xx:xx") #ZLM copy form chenlong



    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]")
    parser.add_option("","--tun", action="store_true", default=False,
                    help="use tun device instead of tap to pass packets.") #ZLM copy form chenlong
    expert_grp.add_option("","--tun-device-filename", default="/dev/net/tun",
                          help="path to tun device file [default=%default]")

    usrp_transmit_path.add_options(parser, expert_grp)
    usrp_receive_path.add_options(parser, expert_grp)

    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)

    bssid = validate_mac_addr(options.bssid)
    if bssid == 0:
        print "Invalid BSSID ", options.bssid
        parser.print_help()
        sys.exit(1)

    mod_kwargs = {
        'bt' : options.bt,
        }

    pkttype = 'eth'
    tuntype = 'tap'
    mcache = None
    if options.tun:
        pkttype = 'ip'
        tuntype = 'tun'
    # open the TUN/TAP interface
    (tun_fd, tun_ifname) = open_tun_interface(tuntype, options.tun_device_filename)
    tun_mac = get_mac_for_interface(tun_ifname)
    mac_addr = validate_mac_addr(tun_mac)
    if mac_addr == 0:
        print "Invalid MAC address ", tun_mac, " for interface ", tun_ifname
        print "exiting."
        sys.exit(1)
    if options.verbose:
        print "Using MAC address ", tun_mac, " for interface ", 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"


    # If the user hasn't set the fusb_* parameters on the command line,
    # pick some values that will reduce latency.

    if options.fusb_block_size == 0 and options.fusb_nblocks == 0:
        if realtime:                        # be more aggressive
            options.fusb_block_size = gr.prefs().get_long('fusb', 'rt_block_size', 1024)
            options.fusb_nblocks    = gr.prefs().get_long('fusb', 'rt_nblocks', 16)
        else:
            options.fusb_block_size = gr.prefs().get_long('fusb', 'block_size', 4096)
            options.fusb_nblocks    = gr.prefs().get_long('fusb', 'nblocks', 16)
    
    #print "fusb_block_size =", options.fusb_block_size
    #print "fusb_nblocks    =", options.fusb_nblocks
    numchan = 3 
    # instantiate the MACi
    DC = [2.810e9,]
    for i in range(numchan):
	DC += [DC[i] + 0.002 * 10**9] #gen channel


    QCH = makeQCH.makeQCH(numchan)[1] #gen QCH number
#    QCH = [1,1,1,1,1,1,1,1,1]
    mac = cs_mac(tun_fd, mac_addr, pkttype, bssid, mcache, DC, QCH, verbose=True)

    # build the graph (PHY)
    fg = my_graph(mods[options.modulation],demods[options.modulation],
                  mac.phy_rx_callback, options)


    mac.set_flow_graph(fg)    # give the MAC a handle for the PHY

    if fg.txpath.bitrate() != fg.rxpath.bitrate():
        print "WARNING: Transmit bitrate = %sb/sec, Receive bitrate = %sb/sec" % (
            eng_notation.num_to_str(fg.txpath.bitrate()),
            eng_notation.num_to_str(fg.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(fg.txpath.bitrate()),)
    print "samples/symbol: %3d" % (fg.txpath.samples_per_symbol(),)
    #print "interp:         %3d" % (tb.txpath.interp(),)
    #print "decim:          %3d" % (tb.rxpath.decim(),)

    fg.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


    fg.start()    # Start executing the flow graph (runs in separate threads)
    f1 = open('reservation_time.txt','w')
    f2 = open('reservation_slot.txt','w')    
    f3 = open('Qlearn.txt','w')
    f4 = open('channel.txt','w')
#    mac.main_loop(f1,f2,f3)  
    mac.main_loop(f1,f2,f3,f4)    # don't expect this to return...
    
    f1.close()
    f2.close()
    f3.close()    

    fg.stop()     # but if it does, tell flow graph to stop.
    fg.wait()     # wait for it to finish
示例#22
0
def main():

    def send_pkt(payload='', eof=False):
        return tb.txpath.send_pkt(payload, eof)

    def rx_callback(ok, payload):
        print "ok = %r, payload = '%s'" % (ok, payload)

    mods = modulation_utils.type_1_mods()

    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("-M", "--megabytes", type="eng_float", default=0,
                      help="set megabytes to transmit [default=inf]")
    parser.add_option("-I", "--audio-input", type="string", default="",
                      help="pcm input device name.  E.g., hw:0,0 or /dev/dsp")
    usrp_transmit_path.add_options(parser, expert_grp)

    for mod in mods.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.exit(1)

    if 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 graph
    tb = my_top_block(mods[options.modulation], 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

    while nbytes == 0 or n < nbytes:
        packet = tb.audio_rx.get_encoded_voice_packet()
        s = packet.to_string()
        send_pkt(s)
        n += len(s)
        sys.stderr.write('.')
        pktno += 1
        
    send_pkt(eof=True)
    tb.wait()                       # wait for it to finish
示例#23
0
def main():
    def send_pkt(payload='', eof=False):
        return tb.txpath.send_pkt(payload, eof)

    def rx_callback(ok, payload):
        print "ok = %r, payload = '%s'" % (ok, payload)

    mods = modulation_utils.type_1_mods()

    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("-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 file for packet contents")
    parser.add_option(
        "",
        "--location",
        type="string",
        default="[-80.422221051169391, 37.233082631938416]",
        help="set radio location in [lon, lat] (default=%default)")

    usrp_transmit_path.add_options(parser, 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.tx_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.from_file is not None:
        source_file = open(options.from_file, 'r')

    # build the graph
    tb = my_top_block(mods[options.modulation], 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
    team_ID = 30376

    n = 0
    pktno = 0
    pkt_size = int(options.size)

    f = open('plb_data', 'r')
    all_lines = f.readlines()
    f.close()
    os.system('cat /dev/null > plb_data')
    all_lines = "".join(all_lines)
    all_lines = all_lines.split("\n")
    all_lines.pop()

    payload4 = struct.pack('!H', team_ID & 0xffff)

    # original location
    # '[-80.422221051169391, 37.233082631938416]'
    loc_payload = format_loc(options.location)

    for n in all_lines:

        n = n.split(',')
        data = (pkt_size - 28) * chr(pktno & 0xff)
        payload1 = struct.pack('!H', pktno & 0xffff)
        payload2 = struct.pack('!H', int(n[0]) & 0xffff)
        payload3 = struct.pack('!H', int(n[1]) & 0xffff)
        payload = payload1 + payload2 + payload3 + payload4 + loc_payload + data

        send_pkt(payload)
        sys.stderr.write('.')
        if options.discontinuous and pktno % 5 == 4:
            time.sleep(1)
        pktno += 1
        if pktno % 20 == 0:
            print "\npktno: %d \n" % pktno
            print "last location: ", options.location
            os.system('echo ' + options.location + ' > last_location')

    print "finished transmitting"

    # import all data from file
    #
    # send out all pkt numbers
    # fin

    send_pkt(eof=True)

    tb.wait()  # wait for it to finish
示例#24
0
def main():
    mac_addr = '00:00:00:00:00:01'
    
    mac = senderMAC(mac_addr)
    
    def send_pkt(payload):
        tb.send_pkt(payload)

    mods = modulation_utils.type_1_mods()
    demods = 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("-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]")
    parser.add_option("","--filename", default=None,
                      help="use file for packet contents")

    transmit_path.add_options(parser, expert_grp)
    receive_path.add_options(parser, expert_grp)

    for mod in mods.values():
        mod.add_options(expert_grp)

    for demod in demods.values():
        demod.add_options(expert_grp)

    fusb_options.add_options(expert_grp)

    (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)

    if options.filename is None:
        print 'no file specified'
        


    # 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"


    # If the user hasn't set the fusb_* parameters on the command line,
    # pick some values that will reduce latency.

    if options.fusb_block_size == 0 and options.fusb_nblocks == 0:
        if realtime:                        # be more aggressive
            options.fusb_block_size = gr.prefs().get_long('fusb', 'rt_block_size', 1024)
            options.fusb_nblocks    = gr.prefs().get_long('fusb', 'rt_nblocks', 16)
        else:
            options.fusb_block_size = gr.prefs().get_long('fusb', 'block_size', 4096)
            options.fusb_nblocks    = gr.prefs().get_long('fusb', 'nblocks', 16)
    

    # build the graph (PHY)
    tb = my_top_block(mods[options.modulation],
                      demods[options.modulation],
                      mac.rx_callback,
                      options)
    
    mac.set_tb(tb)

    #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"
    
    tb.start()    # Start executing the flow graph (runs in separate threads)
    f = open(options.filename,"rb")
    bytesread = f.read(1318)
    print "read bytes of size %u" % len(bytesread)
    while len(bytesread)>0:
        print "read bytes of size %u" % len(bytesread)
        mac.Send(bytesread)
        bytesread = f.read(1318)
    tb.wait()     # wait for it to finish