Example #1
0
    def __init__(self):

        self.trunk_rx = None
        self.kill_sink = None

        gr.top_block.__init__(self)

        # command line argument parsing
        parser = OptionParser(option_class=eng_option)
        parser.add_option("--args",
                          type="string",
                          default="",
                          help="device args")
        parser.add_option("--antenna",
                          type="string",
                          default="",
                          help="select antenna")
        parser.add_option("-a",
                          "--audio",
                          action="store_true",
                          default=False,
                          help="use direct audio input")
        parser.add_option(
            "-A",
            "--audio-if",
            action="store_true",
            default=False,
            help="soundcard IF mode (use --calibration to set IF freq)")
        parser.add_option(
            "-I",
            "--audio-input",
            type="string",
            default="",
            help="pcm input device name.  E.g., hw:0,0 or /dev/dsp")
        parser.add_option("-i",
                          "--input",
                          default=None,
                          help="input file name")
        parser.add_option("-b",
                          "--excess-bw",
                          type="eng_float",
                          default=0.2,
                          help="for RRC filter",
                          metavar="Hz")
        parser.add_option("-c",
                          "--calibration",
                          type="eng_float",
                          default=0.0,
                          help="USRP offset or audio IF frequency",
                          metavar="Hz")
        parser.add_option("-C",
                          "--costas-alpha",
                          type="eng_float",
                          default=0.04,
                          help="value of alpha for Costas loop",
                          metavar="Hz")
        parser.add_option("-D",
                          "--demod-type",
                          type="choice",
                          default="cqpsk",
                          choices=('cqpsk', 'fsk4'),
                          help="cqpsk | fsk4")
        parser.add_option("-P",
                          "--plot-mode",
                          type="choice",
                          default=None,
                          choices=(None, 'constellation', 'fft', 'symbol',
                                   'datascope'),
                          help="constellation | fft | symbol | datascope")
        parser.add_option("-f",
                          "--frequency",
                          type="eng_float",
                          default=0.0,
                          help="USRP center frequency",
                          metavar="Hz")
        parser.add_option("-F",
                          "--ifile",
                          type="string",
                          default=None,
                          help="read input from complex capture file")
        parser.add_option("-H",
                          "--hamlib-model",
                          type="int",
                          default=None,
                          help="specify model for hamlib")
        parser.add_option("-s",
                          "--seek",
                          type="int",
                          default=0,
                          help="ifile seek in K")
        parser.add_option("-L",
                          "--logfile-workers",
                          type="int",
                          default=None,
                          help="number of demodulators to instantiate")
        parser.add_option("-S",
                          "--sample-rate",
                          type="int",
                          default=320e3,
                          help="source samp rate")
        parser.add_option("-t",
                          "--tone-detect",
                          action="store_true",
                          default=False,
                          help="use experimental tone detect algorithm")
        parser.add_option("-T",
                          "--trunk-conf-file",
                          type="string",
                          default=None,
                          help="trunking config file name")
        parser.add_option("-v",
                          "--verbosity",
                          type="int",
                          default=0,
                          help="message debug level")
        parser.add_option("-V",
                          "--vocoder",
                          action="store_true",
                          default=False,
                          help="voice codec")
        parser.add_option(
            "-o",
            "--offset",
            type="eng_float",
            default=0.0,
            help="tuning offset frequency [to circumvent DC offset]",
            metavar="Hz")
        parser.add_option("-p",
                          "--pause",
                          action="store_true",
                          default=False,
                          help="block on startup")
        parser.add_option("-w",
                          "--wireshark",
                          action="store_true",
                          default=False,
                          help="output data to Wireshark")
        parser.add_option("-W",
                          "--wireshark-host",
                          type="string",
                          default="127.0.0.1",
                          help="Wireshark host")
        parser.add_option("-r",
                          "--raw-symbols",
                          type="string",
                          default=None,
                          help="dump decoded symbols to file")
        parser.add_option("-R",
                          "--rx-subdev-spec",
                          type="subdev",
                          default=(0, 0),
                          help="select USRP Rx side A or B (default=A)")
        parser.add_option(
            "-g",
            "--gain",
            type="eng_float",
            default=None,
            help="set USRP gain in dB (default is midpoint) or set audio gain")
        parser.add_option("-G",
                          "--gain-mu",
                          type="eng_float",
                          default=0.025,
                          help="gardner gain")
        parser.add_option("-N",
                          "--gains",
                          type="string",
                          default=None,
                          help="gain settings")
        parser.add_option("-O",
                          "--audio-output",
                          type="string",
                          default="default",
                          help="audio output device name")
        parser.add_option("-U",
                          "--udp-player",
                          action="store_true",
                          default=False,
                          help="enable built-in udp audio player")
        parser.add_option("-q",
                          "--freq-corr",
                          type="eng_float",
                          default=0.0,
                          help="frequency correction")
        parser.add_option("-d",
                          "--fine-tune",
                          type="eng_float",
                          default=0.0,
                          help="fine tuning")
        parser.add_option("-2",
                          "--phase2-tdma",
                          action="store_true",
                          default=False,
                          help="enable phase2 tdma decode")
        parser.add_option("-Z",
                          "--decim-amt",
                          type="int",
                          default=1,
                          help="spectrum decimation")
        (options, args) = parser.parse_args()
        if len(args) != 0:
            parser.print_help()
            sys.exit(1)

        self.channel_rate = 0
        self.baseband_input = False
        self.rtl_found = False
        self.channel_rate = options.sample_rate
        self.fft_sink = None

        self.src = None
        if not options.input:
            # check if osmocom is accessible
            try:
                import osmosdr
                self.src = osmosdr.source(options.args)
            except Exception:
                print("osmosdr source_c creation failure")
                ignore = True

            if "rtl" in options.args.lower():
                #print "'rtl' has been found in options.args (%s)" % (options.args)
                self.rtl_found = True

            gain_names = self.src.get_gain_names()
            for name in gain_names:
                range = self.src.get_gain_range(name)
                print(
                    "gain: name: %s range: start %d stop %d step %d" %
                    (name, range[0].start(), range[0].stop(), range[0].step()))
            if options.gains:
                for tuple in options.gains.split(","):
                    name, gain = tuple.split(":")
                    gain = int(gain)
                    print("setting gain %s to %d" % (name, gain))
                    self.src.set_gain(gain, name)

            rates = self.src.get_sample_rates()
            try:
                print('supported sample rates %d-%d step %d' %
                      (rates.start(), rates.stop(), rates.step()))
            except:
                pass  # ignore

            if options.freq_corr:
                self.src.set_freq_corr(options.freq_corr)

        if options.audio:
            self.channel_rate = 48000
            self.baseband_input = True

        if options.audio_if:
            self.channel_rate = 96000

        if options.ifile:
            self.channel_rate = 96000  # TODO: fixme

        # setup (read-only) attributes
        self.symbol_rate = 4800
        self.symbol_deviation = 600.0
        self.basic_rate = 48000
        _default_speed = 4800

        # keep track of flow graph connections
        self.cnxns = []

        self.datascope_raw_input = False
        self.data_scope_connected = False

        self.constellation_scope_connected = False

        self.options = options

        for i in range(len(speeds)):
            if speeds[i] == _default_speed:
                self.current_speed = i
                self.default_speed_idx = i

        if options.hamlib_model:
            self.hamlib_attach(options.hamlib_model)

        # wait for gdb
        if options.pause:
            print('Ready for GDB to attach (pid = %d)' % (os.getpid(), ))
            input("Press 'Enter' to continue...")

        self.input_q = gr.msg_queue(10)
        self.output_q = gr.msg_queue(10)

        # configure specified data source
        if options.input:
            self.open_file(options.input)
        elif options.frequency:
            self.open_usrp()
        elif options.audio_if:
            self.open_audio_c(self.channel_rate, options.gain,
                              options.audio_input)
        elif options.audio:
            self.open_audio(self.channel_rate, options.gain,
                            options.audio_input)
        elif options.ifile:
            self.open_ifile(self.channel_rate, options.gain, options.ifile,
                            options.seek)
        else:
            pass

        # attach terminal thread
        self.terminal = curses_terminal(self.input_q, self.output_q)

        # attach audio thread
        if self.options.udp_player:
            self.audio = socket_audio("127.0.0.1", WIRESHARK_PORT,
                                      self.options.audio_output)
        else:
            self.audio = None
Example #2
0
    def __init__(self, options):

        self.trunk_rx = None
        self.plot_sinks = []

        gr.top_block.__init__(self)

        self.channel_rate = 0
        self.baseband_input = False
        self.rtl_found = False
        self.channel_rate = options.sample_rate
        self.fft_sink = None
        self.constellation_sink = None
        self.symbol_sink = None
        self.eye_sink = None
        self.mixer_sink = None
        self.target_freq = 0.0
        self.last_freq_params = {
            'freq': 0.0,
            'tgid': None,
            'tag': "",
            'tdma': None
        }

        self.src = None
        if (not options.input) and (not options.audio) and (
                not options.audio_if):
            # check if osmocom is accessible
            try:
                import osmosdr
                self.src = osmosdr.source(options.args)
            except Exception:
                print "osmosdr source_c creation failure"
                ignore = True

            if any(x in options.args.lower()
                   for x in ['rtl', 'airspy', 'hackrf', 'uhd']):
                #print "'rtl' has been found in options.args (%s)" % (options.args)
                self.rtl_found = True

            gain_names = self.src.get_gain_names()
            for name in gain_names:
                range = self.src.get_gain_range(name)
                print "gain: name: %s range: start %d stop %d step %d" % (
                    name, range[0].start(), range[0].stop(), range[0].step())
            if options.gains:
                for tup in options.gains.split(","):
                    name, gain = tup.split(":")
                    gain = int(gain)
                    print "setting gain %s to %d" % (name, gain)
                    self.src.set_gain(gain, name)

            rates = self.src.get_sample_rates()
            try:
                print 'supported sample rates %d-%d step %d' % (
                    rates.start(), rates.stop(), rates.step())
            except:
                pass  # ignore

            if options.freq_corr:
                self.src.set_freq_corr(options.freq_corr)

        if options.audio:
            self.channel_rate = 48000
            self.baseband_input = True

        if options.audio_if:
            self.channel_rate = 96000

        if options.ifile:
            self.channel_rate = 96000  # TODO: fixme

        # setup (read-only) attributes
        self.symbol_rate = 4800
        self.symbol_deviation = 600.0
        self.basic_rate = 24000
        _default_speed = 4800
        self.options = options

        # keep track of flow graph connections
        self.cnxns = []

        self.datascope_raw_input = False
        self.data_scope_connected = False

        self.constellation_scope_connected = False

        for i in xrange(len(speeds)):
            if speeds[i] == _default_speed:
                self.current_speed = i
                self.default_speed_idx = i

        if options.hamlib_model:
            self.hamlib_attach(options.hamlib_model)

        # wait for gdb
        if options.pause:
            print 'Ready for GDB to attach (pid = %d)' % (os.getpid(), )
            raw_input("Press 'Enter' to continue...")

        self.input_q = gr.msg_queue(10)
        self.output_q = gr.msg_queue(10)

        # configure specified data source
        if options.input:
            self.open_file(options.input)
        elif (self.rtl_found or options.frequency):
            self.open_usrp()
        elif options.audio_if:
            self.open_audio_c(self.channel_rate, options.gain,
                              options.audio_input)
        elif options.audio:
            self.open_audio(self.channel_rate, options.gain,
                            options.audio_input)
        elif options.ifile:
            self.open_ifile(self.channel_rate, options.gain, options.ifile,
                            options.seek)
        else:
            pass

        # attach terminal thread and make sure currently tuned frequency is displayed
        self.terminal = op25_terminal(self.input_q, self.output_q,
                                      self.options.terminal_type)
        if self.terminal is None:
            sys.exit(1)

        # attach audio thread
        if self.options.udp_player:
            self.audio = socket_audio("127.0.0.1", self.options.wireshark_port,
                                      self.options.audio_output, False,
                                      self.options.audio_gain)
        else:
            self.audio = None
Example #3
0
# along with OP25; see the file COPYING. If not, write to the Free
# Software Foundation, Inc., 51 Franklin Street, Boston, MA
# 02110-1301, USA.

import signal
import sys
import time

from optparse import OptionParser
from sockaudio import socket_audio

def signal_handler(signal, frame):
   audiothread.stop()
   sys.exit(0)

parser = OptionParser()
parser.add_option("-O", "--audio-output", type="string", default="default", help="audio output device name")
parser.add_option("--wireshark-port", type="int", default=23456, help="Wireshark port")
(options, args) = parser.parse_args()
if len(args) != 0:
   parser.print_help()
   sys.exit(1)

audiothread = socket_audio("0.0.0.0", options.wireshark_port, options.audio_output)

if __name__ == "__main__":
   signal.signal(signal.SIGINT, signal_handler)
   while True:
      time.sleep(1)

Example #4
0
                  default=23456,
                  help="Wireshark port")
parser.add_option("-2",
                  "--two-channel",
                  action="store_true",
                  default=False,
                  help="single or two channel audio")
parser.add_option("-x",
                  "--audio-gain",
                  type="float",
                  default="1.0",
                  help="audio gain (default = 1.0)")
parser.add_option("-s",
                  "--stdout",
                  action="store_true",
                  default=False,
                  help="write to stdout instead of audio device")

(options, args) = parser.parse_args()
if len(args) != 0:
    parser.print_help()
    sys.exit(1)

audio_handler = socket_audio("0.0.0.0", options.wireshark_port,
                             options.audio_output, options.two_channel,
                             options.audio_gain, options.stdout)

if __name__ == "__main__":
    signal.signal(signal.SIGINT, signal_handler)
    audio_handler.run()
Example #5
0
                  type="float",
                  default="1.0",
                  help="audio gain (default = 1.0)")
parser.add_option("-s",
                  "--stdout",
                  action="store_true",
                  default=False,
                  help="write to stdout instead of audio device")
parser.add_option("-S",
                  "--silence",
                  action="store_true",
                  default=False,
                  help="suppress output of zeros after timeout")

(options, args) = parser.parse_args()
if len(args) != 0:
    parser.print_help()
    sys.exit(1)

audio_handler = socket_audio(options.host_ip,
                             options.wireshark_port,
                             options.audio_output,
                             options.two_channel,
                             options.audio_gain,
                             options.stdout,
                             silent_flag=options.silence)

if __name__ == "__main__":
    signal.signal(signal.SIGINT, signal_handler)
    audio_handler.run()
Example #6
0
                  help="audio output device name")
parser.add_option("-u",
                  "--wireshark-port",
                  type="int",
                  default=23456,
                  help="Wireshark port")
parser.add_option("-2",
                  "--two-channel",
                  action="store_true",
                  default=False,
                  help="single or two channel audio")
parser.add_option("-x",
                  "--audio-gain",
                  type="float",
                  default="1.0",
                  help="audio gain (default = 1.0)")

(options, args) = parser.parse_args()
if len(args) != 0:
    parser.print_help()
    sys.exit(1)

audiothread = socket_audio("0.0.0.0", options.wireshark_port,
                           options.audio_output, options.two_channel,
                           options.audio_gain)

if __name__ == "__main__":
    signal.signal(signal.SIGINT, signal_handler)
    while True:
        time.sleep(1)
Example #7
0
import signal
import sys
import time

from optparse import OptionParser
from sockaudio import socket_audio

def signal_handler(signal, frame):
   audiothread.stop()
   sys.exit(0)

parser = OptionParser()
parser.add_option("-O", "--audio-output", type="string", default="default", help="audio output device name")
parser.add_option("-H", "--host-ip", type="string", default="0.0.0.0", help="IP address to bind to")
parser.add_option("-u", "--wireshark-port", type="int", default=23456, help="Wireshark port")
parser.add_option("-2", "--two-channel", action="store_true", default=False, help="single or two channel audio")
parser.add_option("-x", "--audio-gain", type="float", default="1.0", help="audio gain (default = 1.0)")
 
(options, args) = parser.parse_args()
if len(args) != 0:
   parser.print_help()
   sys.exit(1)

audiothread = socket_audio(options.host_ip, options.wireshark_port, options.audio_output, options.two_channel, options.audio_gain)

if __name__ == "__main__":
   signal.signal(signal.SIGINT, signal_handler)
   while True:
      time.sleep(1)