def __init__(
self,
parent,
msgq,
size=DEFAULT_WIN_SIZE,
):
wx.Panel.__init__(
self,
parent,
size=size,
style=wx.SIMPLE_BORDER,
)
self.text_ctrl = wx.TextCtrl(
self,
wx.ID_ANY,
value="",
size=size,
style=wx.TE_MULTILINE | wx.TE_READONLY,
)
main_sizer = wx.BoxSizer(wx.VERTICAL)
main_sizer.Add(self.text_ctrl, 1, wx.EXPAND)
self.SetSizerAndFit(main_sizer)
EVT_APPEND_EVENT(self, self.evt_append)
self.runner = gru.msgq_runner(msgq, self.handle_msg)
def __init__(self,
parent,
msgq,
size=DEFAULT_WIN_SIZE,
):
wx.Panel.__init__(self,
parent,
size=size,
style=wx.SIMPLE_BORDER,
)
self.text_ctrl = wx.TextCtrl(self,
wx.ID_ANY,
value="",
size=size,
style=wx.TE_MULTILINE|wx.TE_READONLY,
)
main_sizer = wx.BoxSizer(wx.VERTICAL)
main_sizer.Add(self.text_ctrl, 1, wx.EXPAND)
self.SetSizerAndFit(main_sizer)
EVT_APPEND_EVENT(self, self.evt_append)
self.runner = gru.msgq_runner(msgq, self.handle_msg)
def _setup_usrpx(self, options):
self._u = uhd.usrp_sink(device_addr=options.args, stream_args=uhd.stream_args('fc32'))
self._u.set_samp_rate(options.samp_rate)
# Set the subdevice spec
if(options.spec):
self._u.set_subdev_spec(options.spec, 0)
# Set the gain on the usrp from options
if(options.gain):
self._u.set_gain(options.gain)
# Set the antenna
if(options.antenna):
self._u.set_antenna(options.antenna, 0)
self.publish(DESC_KEY, lambda: str(self._u))
self.publish(FREQ_RANGE_KEY, self._u.get_freq_range)
self.publish(GAIN_RANGE_KEY, self._u.get_gain_range)
self.publish(GAIN_KEY, self._u.get_gain)
if self._verbose:
print str(self._u)
# Direct asynchronous notifications to callback function
if options.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback)
def _setup_usrpx(self, options):
self._u = uhd.usrp_sink(device_addr=options.args,
stream_args=uhd.stream_args('fc32'))
self._u.set_samp_rate(options.samp_rate)
# Set the subdevice spec
if (options.spec):
self._u.set_subdev_spec(options.spec, 0)
# Set the gain on the usrp from options
if (options.gain):
self._u.set_gain(options.gain)
# Set the antenna
if (options.antenna):
self._u.set_antenna(options.antenna, 0)
# Setup USRP Configuration value
try:
usrp_info = self._u.get_usrp_info()
mboard_id = usrp_info.get("mboard_id")
mboard_serial = usrp_info.get("mboard_serial")
if mboard_serial == "":
mboard_serial = "no serial"
dboard_subdev_name = usrp_info.get("tx_subdev_name")
dboard_serial = usrp_info.get("tx_serial")
if dboard_serial == "":
dboard_serial = "no serial"
subdev = self._u.get_subdev_spec()
antenna = self._u.get_antenna()
desc_key_str = "Motherboard: %s [%s]\n" % (mboard_id,
mboard_serial)
if "B200" in mboard_id or "B210" in mboard_id:
desc_key_str += "Daughterboard: %s\n" % dboard_subdev_name
else:
desc_key_str += "Daughterboard: %s [%s]\n" % (
dboard_subdev_name, dboard_serial)
desc_key_str += "Subdev: %s\n" % subdev
desc_key_str += "Antenna: %s" % antenna
except:
desc_key_str = "USRP configuration output not implemented in this version"
self.publish(DESC_KEY, lambda: desc_key_str)
self.publish(FREQ_RANGE_KEY, self._u.get_freq_range)
self.publish(GAIN_RANGE_KEY, self._u.get_gain_range)
self.publish(GAIN_KEY, self._u.get_gain)
print "UHD Signal Generator"
print "Version: %s" % uhd.get_version_string()
print "\nUsing USRP configuration:"
print desc_key_str + "\n"
# Direct asynchronous notifications to callback function
if options.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq,
self.async_callback)
def __init__(self, mode='MODE-S', input_rate=0, context=None):
assert input_rate > 0
gr.hier_block2.__init__(
self,
type(self).__name__, gr.io_signature(1, 1,
gr.sizeof_gr_complex * 1),
gr.io_signature(0, 0, 0))
demod_rate = 2000000
transition_width = 500000
hex_msg_queue = gr.msg_queue(100)
self.__band_filter = MultistageChannelFilter(
input_rate=input_rate,
output_rate=demod_rate,
cutoff_freq=demod_rate / 2,
transition_width=transition_width) # TODO optimize filter band
self.__demod = air_modes.rx_path(
rate=demod_rate,
threshold=7.0, # default used in air-modes code but not exposed
queue=hex_msg_queue,
use_pmf=False,
use_dcblock=True)
self.connect(self, self.__band_filter, self.__demod)
self.__messages_seen = 0
self.__message_rate_calc = LazyRateCalculator(
lambda: self.__messages_seen, min_interval=2)
# Parsing
# TODO: These bits are mimicking gr-air-modes toplevel code. Figure out if we can have less glue.
# Note: gr pubsub is synchronous -- subscribers are called on the publisher's thread
parser_output = gr.pubsub.pubsub()
parser = air_modes.make_parser(parser_output)
cpr_decoder = air_modes.cpr_decoder(
my_location=None) # TODO: get position info from device
air_modes.output_print(cpr_decoder, parser_output)
def msq_runner_callback(msg): # called on msgq_runner's thread
# pylint: disable=broad-except
try:
reactor.callFromThread(parser, msg.to_string())
except Exception:
print(traceback.format_exc())
self.__msgq_runner = gru.msgq_runner(hex_msg_queue,
msq_runner_callback)
def parsed_callback(msg):
timestamp = time.time()
self.__messages_seen += 1
context.output_message(
ModeSMessageWrapper(msg, cpr_decoder, timestamp))
for i in six.moves.range(0, 2**5):
parser_output.subscribe('type%i_dl' % i, parsed_callback)
def __init__(self, mode='MODE-S', input_rate=0, mode_s_information=None, context=None):
assert input_rate > 0
gr.hier_block2.__init__(
self, 'Mode S/ADS-B/1090 demodulator',
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
gr.io_signature(0, 0, 0))
self.mode = mode
self.input_rate = input_rate
if mode_s_information is not None:
self.__information = mode_s_information
else:
self.__information = ModeSInformation()
hex_msg_queue = gr.msg_queue(100)
band_filter = MultistageChannelFilter(
input_rate=input_rate,
output_rate=demod_rate,
cutoff_freq=demod_rate / 2,
transition_width=transition_width) # TODO optimize filter band
self.__demod = air_modes.rx_path(
rate=demod_rate,
threshold=7.0, # default used in air-modes code but not exposed
queue=hex_msg_queue,
use_pmf=False,
use_dcblock=True)
self.connect(
self,
band_filter,
self.__demod)
self.__messages_seen = 0
self.__message_rate_calc = LazyRateCalculator(lambda: self.__messages_seen, min_interval=2)
# Parsing
# TODO: These bits are mimicking gr-air-modes toplevel code. Figure out if we can have less glue.
# Note: gr pubsub is synchronous -- subscribers are called on the publisher's thread
parser_output = gr.pubsub.pubsub()
parser = air_modes.make_parser(parser_output)
cpr_decoder = air_modes.cpr_decoder(my_location=None) # TODO: get position info from device
air_modes.output_print(cpr_decoder, parser_output)
def callback(msg): # called on msgq_runner's thrad
# pylint: disable=broad-except
try:
reactor.callFromThread(parser, msg.to_string())
except Exception:
print traceback.format_exc()
self.__msgq_runner = gru.msgq_runner(hex_msg_queue, callback)
def parsed_callback(msg):
self.__messages_seen += 1
self.__information.receive(msg, cpr_decoder)
for i in xrange(0, 2 ** 5):
parser_output.subscribe('type%i_dl' % i, parsed_callback)
def __init__(self,
mode='MODE-S',
input_rate=0,
mode_s_information=None,
context=None):
assert input_rate > 0
gr.hier_block2.__init__(
self, 'Mode S/ADS-B/1090 demodulator',
gr.io_signature(1, 1, gr.sizeof_gr_complex * 1),
gr.io_signature(0, 0, 0))
self.mode = mode
self.input_rate = input_rate
if mode_s_information is not None:
self.__information = mode_s_information
else:
self.__information = ModeSInformation()
hex_msg_queue = gr.msg_queue(100)
band_filter = MultistageChannelFilter(
input_rate=input_rate,
output_rate=demod_rate,
cutoff_freq=demod_rate / 2,
transition_width=transition_width) # TODO optimize filter band
self.__demod = air_modes.rx_path(
rate=demod_rate,
threshold=7.0, # default used in air-modes code but not exposed
queue=hex_msg_queue,
use_pmf=False,
use_dcblock=True)
self.connect(self, band_filter, self.__demod)
# Parsing
# TODO: These bits are mimicking gr-air-modes toplevel code. Figure out if we can have less glue.
# Note: gr pubsub is synchronous -- subscribers are called on the publisher's thread
parser_output = gr.pubsub.pubsub()
parser = air_modes.make_parser(parser_output)
cpr_decoder = air_modes.cpr_decoder(
my_location=None) # TODO: get position info from device
air_modes.output_print(cpr_decoder, parser_output)
def callback(msg): # called on msgq_runner's thrad
# pylint: disable=broad-except
try:
reactor.callFromThread(parser, msg.to_string())
except Exception:
print traceback.format_exc()
self.__msgq_runner = gru.msgq_runner(hex_msg_queue, callback)
def parsed_callback(msg):
self.__information.receive(msg, cpr_decoder)
for i in xrange(0, 2**5):
parser_output.subscribe('type%i_dl' % i, parsed_callback)
def _setup_usrpx(self, options):
self._u = uhd.usrp_sink(device_addr=options.args, stream_args=uhd.stream_args('fc32'))
self._u.set_samp_rate(options.samp_rate)
# Set the subdevice spec
if(options.spec):
self._u.set_subdev_spec(options.spec, 0)
# Set the gain on the usrp from options
if(options.gain):
self._u.set_gain(options.gain)
# Set the antenna
if(options.antenna):
self._u.set_antenna(options.antenna, 0)
# Setup USRP Configuration value
try:
usrp_info = self._u.get_usrp_info()
mboard_id = usrp_info["mboard_id"]
mboard_serial = usrp_info["mboard_serial"]
if mboard_serial == "":
mboard_serial = "no serial"
dboard_subdev_name = usrp_info["tx_subdev_name"]
dboard_serial = usrp_info["tx_serial"]
if dboard_serial == "":
dboard_serial = "no serial"
subdev = self._u.get_subdev_spec()
antenna = self._u.get_antenna()
desc_key_str = "Motherboard: %s [%s]\n" % (mboard_id, mboard_serial)
if "B200" in mboard_id or "B210" in mboard_id:
desc_key_str += "Daughterboard: %s\n" % dboard_subdev_name
else:
desc_key_str += "Daughterboard: %s [%s]\n" % (dboard_subdev_name, dboard_serial)
desc_key_str += "Subdev: %s\n" % subdev
desc_key_str += "Antenna: %s" % antenna
except:
desc_key_str = "USRP configuration output not implemented in this version"
self.publish(DESC_KEY, lambda: desc_key_str)
self.publish(FREQ_RANGE_KEY, self._u.get_freq_range)
self.publish(GAIN_RANGE_KEY, self._u.get_gain_range)
self.publish(GAIN_KEY, self._u.get_gain)
print "UHD Signal Generator"
print "Version: %s" % uhd.get_version_string()
print "\nUsing USRP configuration:"
print desc_key_str + "\n"
# Direct asynchronous notifications to callback function
if options.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback)
def __init__(self, options, context):
gr.top_block.__init__(self)
pubsub.__init__(self)
self._options = options
self._queue = gr.msg_queue()
self._rate = int(options.rate)
self._resample = None
self._setup_source(options)
if self._rate < 4e6:
self._resample = pfb.arb_resampler_ccf(4.e6 / self._rate)
self._rx_rate = 4e6
else:
self._rx_rate = self._rate
self._rx_path = air_modes.rx_path(self._rx_rate, options.threshold,
self._queue, options.pmf,
options.dcblock)
#now subscribe to set various options via pubsub
self.subscribe("freq", self.set_freq)
self.subscribe("gain", self.set_gain)
self.subscribe("rate", self.set_rate)
self.subscribe("rate", self._rx_path.set_rate)
self.subscribe("threshold", self._rx_path.set_threshold)
self.subscribe("pmf", self._rx_path.set_pmf)
self.publish("freq", self.get_freq)
self.publish("gain", self.get_gain)
self.publish("rate", self.get_rate)
self.publish("threshold", self._rx_path.get_threshold)
self.publish("pmf", self._rx_path.get_pmf)
if self._resample is not None:
self.connect(self._u, self._resample, self._rx_path)
else:
self.connect(self._u, self._rx_path)
#Publish messages when they come back off the queue
server_addr = ["inproc://modes-radio-pub"]
if options.tcp is not None:
server_addr += ["tcp://*:%i" % options.tcp]
self._sender = air_modes.zmq_pubsub_iface(context,
subaddr=None,
pubaddr=server_addr)
self._async_sender = gru.msgq_runner(self._queue, self.send)
def __init__(self, options, context):
gr.top_block.__init__(self)
pubsub.__init__(self)
self._options = options
self._queue = gr.msg_queue()
self._rate = int(options.rate)
self._resample = None
self._setup_source(options)
if self._rate < 4e6:
self._resample = pfb.arb_resampler_ccf(4.e6/self._rate)
self._rx_rate = 4e6
else:
self._rx_rate = self._rate
self._rx_path = air_modes.rx_path(self._rx_rate, options.threshold,
self._queue, options.pmf, options.dcblock)
#now subscribe to set various options via pubsub
self.subscribe("freq", self.set_freq)
self.subscribe("gain", self.set_gain)
self.subscribe("rate", self.set_rate)
self.subscribe("rate", self._rx_path.set_rate)
self.subscribe("threshold", self._rx_path.set_threshold)
self.subscribe("pmf", self._rx_path.set_pmf)
self.publish("freq", self.get_freq)
self.publish("gain", self.get_gain)
self.publish("rate", self.get_rate)
self.publish("threshold", self._rx_path.get_threshold)
self.publish("pmf", self._rx_path.get_pmf)
if self._resample is not None:
self.connect(self._u, self._resample, self._rx_path)
else:
self.connect(self._u, self._rx_path)
#Publish messages when they come back off the queue
server_addr = ["inproc://modes-radio-pub"]
if options.tcp is not None:
server_addr += ["tcp://*:%i" % options.tcp]
self._sender = air_modes.zmq_pubsub_iface(context, subaddr=None, pubaddr=server_addr)
self._async_sender = gru.msgq_runner(self._queue, self.send)
def __init__(self, rate): #TODO pass in chanlist
gr.hier_block2.__init__(self,
"smartnet_ctrl_rx",
gr.io_signature(1,1,gr.sizeof_gr_complex),
gr.io_signature(0,0,0))
self.set_assign_callback(None)
self._queue = gr.msg_queue()
self._async_sender = gru.msgq_runner(self._queue, self.msg_handler)
self._syms_per_sec = 3600.
self._sps = rate / self._syms_per_sec
self._demod = scanner.fsk_demod(self._sps, 0.1)
self._sof = digital.correlate_access_code_tag_bb("10101100",
0,
"smartnet_preamble")
self._deinterleave = scanner.deinterleave()
self._crc = scanner.crc(self._queue)
self.connect(self, self._demod, self._sof, self._deinterleave, self._crc)
def __init__(self, rate): #TODO pass in chanlist
gr.hier_block2.__init__(self,
"edacs_ctrl_rx",
gr.io_signature(1,1,gr.sizeof_gr_complex),
gr.io_signature(0,0,0))
self.set_assign_callback(None)
self._queue = gr.msg_queue()
self._async_sender = gru.msgq_runner(self._queue, self.msg_handler)
self._syms_per_sec = 9600.
self._sps = rate / self._syms_per_sec
self._demod = scanner.fsk_demod(self._sps, 0.575)
self._invert = scanner.invert()
self._sof = digital.correlate_access_code_tag_bb("010101010101010101010111000100100101010101010101",
0,
"edacs_preamble")
self._rx = scanner.edacs_pkt_rx(self._queue)
self.connect(self, self._demod, self._invert, self._sof, self._rx)
def __init__(self, options):
gr.top_block.__init__(self)
pubsub.__init__(self)
self._options = options
self._queue = gr.msg_queue()
self._u = self._setup_source(options)
self._rate = self.get_rate()
print "Rate is %i" % (self._rate,)
self._rx_path1 = ais_rx(161.975e6 - 162.0e6, options.rate, "A", self._queue, options.viterbi)
self._rx_path2 = ais_rx(162.025e6 - 162.0e6, options.rate, "B", self._queue, options.viterbi)
self.connect(self._u, self._rx_path1)
self.connect(self._u, self._rx_path2)
#now subscribe to set various options via pubsub
self.subscribe("gain", self.set_gain)
self.subscribe("rate", self.set_rate)
self.publish("gain", self.get_gain)
self.publish("rate", self.get_rate)
self._async_sender = gru.msgq_runner(self._queue, self.send)
def __init__(self, frame, panel, vbox, argv):
stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
self.frame = frame
self.panel = panel
parser = OptionParser(option_class=eng_option)
parser.add_option("-a", "--args", type="string", default="",
help="UHD device address args , [default=%default]")
parser.add_option("", "--spec", type="string", default=None,
help="Subdevice of UHD device where appropriate")
parser.add_option("-A", "--antenna", type="string", default=None,
help="select Rx Antenna where appropriate")
parser.add_option("-s", "--samp-rate", type="eng_float", default=1e6,
help="set sample rate (bandwidth) [default=%default]")
parser.add_option("-f", "--freq", type="eng_float", default=None,
help="set frequency to FREQ", metavar="FREQ")
parser.add_option("-g", "--gain", type="eng_float", default=None,
help="set gain in dB (default is midpoint)")
parser.add_option("-W", "--waterfall", action="store_true", default=False,
help="Enable waterfall display")
parser.add_option("-S", "--oscilloscope", action="store_true", default=False,
help="Enable oscilloscope display")
parser.add_option("", "--avg-alpha", type="eng_float", default=1e-1,
help="Set fftsink averaging factor, default=[%default]")
parser.add_option ("", "--averaging", action="store_true", default=False,
help="Enable fftsink averaging, default=[%default]")
parser.add_option("", "--ref-scale", type="eng_float", default=1.0,
help="Set dBFS=0dB input value, default=[%default]")
parser.add_option("", "--fft-size", type="int", default=1024,
help="Set number of FFT bins [default=%default]")
parser.add_option("", "--fft-rate", type="int", default=30,
help="Set FFT update rate, [default=%default]")
parser.add_option("", "--wire-format", type="string", default="sc16",
help="Set wire format from USRP [default=%default]")
parser.add_option("", "--scalar", type="int", default=1024,
help="Set scalar multiplier value sc8 wire format [default=%default]")
parser.add_option("", "--show-async-msg", action="store_true", default=False,
help="Show asynchronous message notifications from UHD [default=%default]")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
self.options = options
self.show_debug_info = True
scalar="scalar="+str(options.scalar)
self.u = uhd.usrp_source(device_addr=options.args,
stream_args=uhd.stream_args(cpu_format='fc32',
otw_format=options.wire_format, args=scalar))
# Set the subdevice spec
if(options.spec):
self.u.set_subdev_spec(options.spec, 0)
# Set the antenna
if(options.antenna):
self.u.set_antenna(options.antenna, 0)
self.u.set_samp_rate(options.samp_rate)
input_rate = self.u.get_samp_rate()
if options.waterfall:
self.scope = \
waterfallsink2.waterfall_sink_c (panel, fft_size=1024,
sample_rate=input_rate)
self.frame.SetMinSize((800, 420))
elif options.oscilloscope:
self.scope = scopesink2.scope_sink_c(panel, sample_rate=input_rate)
self.frame.SetMinSize((800, 600))
else:
self.scope = fftsink2.fft_sink_c (panel,
fft_size=options.fft_size,
sample_rate=input_rate,
ref_scale=options.ref_scale,
ref_level=20.0,
y_divs = 12,
average=options.averaging,
avg_alpha=options.avg_alpha,
fft_rate=options.fft_rate)
self.frame.SetMinSize((800, 420))
self.connect(self.u, self.scope)
self._build_gui(vbox)
self._setup_events()
# set initial values
if options.gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.get_gain_range()
options.gain = float(g.start()+g.stop())/2
if options.freq is None:
# if no freq was specified, use the mid-point
r = self.u.get_freq_range()
options.freq = float(r.start()+r.stop())/2
self.set_gain(options.gain)
if self.show_debug_info:
self.myform['samprate'].set_value(self.u.get_samp_rate())
self.myform['rffreq'].set_value(0)
self.myform['dspfreq'].set_value(0)
if not(self.set_freq(options.freq)):
self._set_status_msg("Failed to set initial frequency")
# Direct asynchronous notifications to callback function
if self.options.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback)
def __init__(self, options):
gr.top_block.__init__(self)
self.options = options
(dev_rate, channel_rate, audio_rate,
channel_pass, channel_stop, demod) = demod_params[options.modulation]
DEV = uhd_src(options.args, # UHD device address
options.spec, # device subdev spec
options.antenna, # device antenna
dev_rate, # device sample rate
options.gain, # Receiver gain
options.calibration) # Frequency offset
DEV.tune(options.frequency)
if_rate = DEV.rate()
channel_decim = int(if_rate // channel_rate)
audio_decim = int(channel_rate // audio_rate)
CHAN_taps = optfir.low_pass(1.0, # Filter gain
if_rate, # Sample rate
channel_pass, # One sided modulation bandwidth
channel_stop, # One sided channel bandwidth
0.1, # Passband ripple
60) # Stopband attenuation
CHAN = gr.freq_xlating_fir_filter_ccf(channel_decim, # Decimation rate
CHAN_taps, # Filter taps
0.0, # Offset frequency
if_rate) # Sample rate
RFSQL = gr.pwr_squelch_cc(options.rf_squelch, # Power threshold
125.0/channel_rate, # Time constant
int(channel_rate/20), # 50ms rise/fall
False) # Zero, not gate output
AGC = gr.agc_cc(1.0/channel_rate, # Time constant
1.0, # Reference power
1.0, # Initial gain
1.0) # Maximum gain
DEMOD = demod(channel_rate, audio_decim)
# From RF to audio
#self.connect(DEV, CHAN, RFSQL, AGC, DEMOD)
self.connect(DEV, CHAN, DEMOD)
# Optionally add CTCSS and RSAMP if needed
tail = DEMOD
if options.ctcss != None and options.ctcss > 60.0:
CTCSS = gr.ctcss_squelch_ff(audio_rate, # Sample rate
options.ctcss) # Squelch tone
self.connect(DEMOD, CTCSS)
tail = CTCSS
if options.output_rate != audio_rate:
out_lcm = gru.lcm(audio_rate, options.output_rate)
out_interp = int(out_lcm // audio_rate)
out_decim = int(out_lcm // options.output_rate)
RSAMP = blks2.rational_resampler_fff(out_interp, out_decim)
self.connect(tail, RSAMP)
tail = RSAMP
# Send to audio output device
AUDIO = audio.sink(int(options.output_rate),
options.audio_output)
self.connect(tail, AUDIO)
# Direct asynchronous notifications to callback function
if self.options.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback)
def setup_usrp(self, ctor, args, cpu_format='fc32'):
"""
Instantiate a USRP object; takes care of all kinds of corner cases and settings.
Pop it and some args onto the class that calls this.
"""
self.channels = args.channels
self.cpu_format = cpu_format
# Create a UHD device object:
self.usrp = ctor(
device_addr=args.args,
stream_args=uhd.stream_args(
cpu_format,
args.otw_format,
args=args.stream_args,
channels=self.channels,
)
)
# Set the subdevice spec:
self.spec = self.normalize_sel("mboards", "subdev",
self.usrp.get_num_mboards(), args.spec)
if self.spec:
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.set_subdev_spec(self.spec[mb_idx], mb_idx)
# Set the clock and/or time source:
if args.clock_source is not None:
self.clock_source = self.normalize_sel("mboards", "clock-source",
self.usrp.get_num_mboards(), args.clock_source)
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.set_clock_source(self.clock_source[mb_idx], mb_idx)
if args.time_source is not None:
self.time_source = self.normalize_sel("mboards", "time-source",
self.usrp.get_num_mboards(), args.time_source)
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.set_time_source(self.time_source[mb_idx], mb_idx)
# Sampling rate:
self.usrp.set_samp_rate(args.samp_rate)
self.samp_rate = self.usrp.get_samp_rate()
self.vprint("Using sampling rate: {rate}".format(rate=self.samp_rate))
# Set the antenna:
self.antenna = self.normalize_sel("channels", "antenna", len(args.channels), args.antenna)
if self.antenna is not None:
for i, chan in enumerate(self.channels):
if not self.antenna[i] in self.usrp.get_antennas(i):
print("[ERROR] {} is not a valid antenna name for this USRP device!".format(self.antenna[i]))
exit(1)
self.usrp.set_antenna(self.antenna[i], i)
self.vprint("[{prefix}] Channel {chan}: Using antenna {ant}.".format(
prefix=self.prefix, chan=chan, ant=self.usrp.get_antenna(i)
))
self.antenna = self.usrp.get_antenna(0)
# Set receive daughterboard gain:
self.set_gain(args.gain)
self.gain_range = self.usrp.get_gain_range(0)
# Set frequency (tune request takes lo_offset):
if hasattr(args, 'lo_offset') and args.lo_offset is not None:
treq = uhd.tune_request(args.freq, args.lo_offset)
else:
treq = uhd.tune_request(args.freq)
self.has_lo_sensor = 'lo_locked' in self.usrp.get_sensor_names()
# Set LO export and LO source operation
if (args.lo_export is not None) and (args.lo_source is not None):
self.lo_source = self.normalize_sel("channels", "lo-source", len(self.channels), args.lo_source)
self.lo_export = self.normalize_sel("channels", "lo-export", len(self.channels), args.lo_export)
for chan, lo_source, lo_export in zip(self.channels, self.lo_source, self.lo_export):
if (lo_source == "None") or (lo_export == "None"):
continue
if lo_export == "True":
#If channel is LO source set frequency and store response
self.usrp.set_lo_export_enabled(True, uhd.ALL_LOS, chan)
if lo_source == "internal":
self.lo_source_channel = chan
tune_resp = self.usrp.set_center_freq(treq,chan)
self.usrp.set_lo_source(lo_source, uhd.ALL_LOS,chan)
# Use lo source tune response to tune dsp_freq on remaining channels
if getattr(args, 'lo_offset', None) is not None:
treq = uhd.tune_request(target_freq=args.freq, rf_freq=args.freq+args.lo_offset, rf_freq_policy=uhd.tune_request.POLICY_MANUAL,
dsp_freq=tune_resp.actual_dsp_freq,
dsp_freq_policy=uhd.tune_request.POLICY_MANUAL)
else:
treq = uhd.tune_request(target_freq=args.freq, rf_freq=args.freg, rf_freq_policy=uhd.tune_request.POLICY_MANUAL,
dsp_freq=tune_resp.actual_dsp_freq,
dsp_freq_policy=uhd.tune_request.POLICY_MANUAL)
for chan in args.channels:
if chan == self.lo_source_channel:
continue
self.usrp.set_center_freq(treq,chan)
# Make sure tuning is synched:
command_time_set = False
if len(self.channels) > 1:
if args.sync == 'pps':
self.usrp.set_time_unknown_pps(uhd.time_spec())
cmd_time = self.usrp.get_time_now() + uhd.time_spec(COMMAND_DELAY)
try:
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.set_command_time(cmd_time, mb_idx)
command_time_set = True
except RuntimeError:
sys.stderr.write('[{prefix}] [WARNING] Failed to set command times.\n'.format(prefix=self.prefix))
for i, chan in enumerate(self.channels):
self.tr = self.usrp.set_center_freq(treq, i)
if self.tr == None:
sys.stderr.write('[{prefix}] [ERROR] Failed to set center frequency on channel {chan}\n'.format(
prefix=self.prefix, chan=chan
))
exit(1)
if command_time_set:
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.clear_command_time(mb_idx)
self.vprint("Syncing channels...".format(prefix=self.prefix))
time.sleep(COMMAND_DELAY)
self.freq = self.usrp.get_center_freq(0)
if args.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback)
def __init__(self, modulator, demodulator, options, ll_logging, dev_log, start_tb_time, time_cal_timeout, start_controller_time):
gr.top_block.__init__(self)
# Get the modulation's bits_per_symbol
args = modulator.extract_kwargs_from_options(options)
symbol_rate = options.modulation_bitrate / modulator(**args).bits_per_symbol()
# all subsequent code expects list of ints, so convert from
# comma separated string
sink_addresses = options.sink_mac_addresses
options.sink_mac_addresses = [int(x) for x in sink_addresses.split(',')]
# Direct asynchronous notifications to callback function
if True:#self.options.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback)
self.dev_log = dev_log
# how much time should be spent calibrating time sync?
self.cal_time = time_cal_timeout
self.rx_channelizer = channelizer.rx_channelizer(options, dev_log)
self.tx_channelizer = channelizer.tx_channelizer(options, dev_log)
self.rx_channelizer.set_beacon_channel(options.gpsbug_cal_channel)
upsampled_symbol_rate = symbol_rate*options.digital_freq_hop_num_channels
upsample_factor_usrp = options.digital_freq_hop_num_channels
#setting up USRP RX
self.source = uhd_receiver(options.usrp_args, upsampled_symbol_rate,
options.modulation_samples_per_symbol,
options.rf_rx_freq, options.rf_rx_gain,
options.usrp_spec, "RX2",
options.verbose)
#setting up USRP TX
self.sink = uhd_transmitter(options.usrp_args, upsampled_symbol_rate,
options.modulation_samples_per_symbol,
options.rf_tx_freq, options.rf_tx_gain,
options.usrp_spec, "TX/RX",
options.verbose)
if self.source._sps != options.modulation_samples_per_symbol:
self.dev_log.warning("The USRP does not support the requested sample rate of %f. Using %f instead",
options.modulation_samples_per_symbol*upsampled_symbol_rate,
self.source._sps*upsampled_symbol_rate)
options.modulation_samples_per_symbol = self.source._sps
self.digital_scaling = gr.multiply_const_vcc((options.digital_scale_factor,))
# moved down here (after reassignment of self.source._sps so we can use
# the actual sample rate the UHD is using
self.fs = options.modulation_samples_per_symbol*upsampled_symbol_rate/upsample_factor_usrp
self.pmt_rpc = digital_ll.pmt_rpc(obj=self,result_msg=False)
self.start_tb_time = start_tb_time
self.start_controller_time = start_controller_time
# this helps control dc tone problem (Use to be burst_gate now eob_shifter)
# TODO: Only programmed for GMSK. Other modulations will need additional work.
upsample_factor = 8*options.modulation_samples_per_symbol*options.digital_freq_hop_num_channels
self.eob = digital_ll.eob_shifter(upsample_factor)
num_d_chans = options.digital_freq_hop_num_channels
if options.tx_access_code == '0':
tx_access_code = None
elif options.tx_access_code == '1':
tx_access_code = '0000010000110001010011110100011100100101101110110011010101111110'
elif options.tx_access_code == '2':
tx_access_code = '1110001100101100010110110001110101100000110001011101000100001110'
else:
tx_access_code = options.tx_access_code
print 'tx access code: %s' % tx_access_code
self.packet_framer = digital_ll.packet_framer(
fs=self.fs,
samples_per_symbol=options.modulation_samples_per_symbol,
bits_per_symbol=1,
access_code=tx_access_code,
number_digital_channels=num_d_chans
)
if options.node_role == "tdma_base":
self.tdma_mac_sm = tdma_base_sm(options, self.sink, self.source,
self.packet_framer.num_bytes_to_num_samples)
self.frame_sched = parse_frame_file(options.frame_file,start_controller_time, self.fs)
for k, slot in enumerate(self.frame_sched["slots"]):
self.frame_sched["slots"][k] = slot._replace()
# replace the rf_freq field with the value of tx_freq from the ini or
# command line for the slots transmitted by the base
if (slot.type == "downlink") or (slot.type == "beacon"):
self.frame_sched["slots"][k] = slot._replace(rf_freq=options.rf_tx_freq,
tx_gain=options.rf_tx_gain,
bw=self.fs)
# replace the rf_freq field with the value of rx_freq from the ini or
# command line for the slots received by the base
elif slot.type == "uplink":
self.frame_sched["slots"][k] = slot._replace(rf_freq=options.rf_rx_freq,
tx_gain=options.rf_tx_gain,
bw=self.fs)
else:
self.tdma_mac_sm = tdma_mobile_sm(options, self.sink, self.source,
self.packet_framer.num_bytes_to_num_samples)
self.frame_sched = None
if self.tdma_mac_sm.is_base():
manage_slots = base_slot_manager_ber_feedback(tdma_types_to_ints,
initial_schedule=self.frame_sched,
options=options,
tdma_mac = self.tdma_mac_sm,)
else:
manage_slots = mobile_slot_manager_ber_feedback(tdma_types_to_ints,
options=options,
tdma_mac = self.tdma_mac_sm,)
self.dev_log.info("starting at time %s", start_tb_time)
self.tdma_controller = tdma_controller(options=options,
mac_sm=self.tdma_mac_sm,
manage_slots=manage_slots,
fs=self.fs,
mux_name="scheduled_mux",
rx_channelizer_name="rx_channelizer",
fhss_flag=1,
start_time=start_controller_time,
)
if options.traffic_generation == "infinite":
self.traffic = Infinite_Backlog_PDU_Streamer( options,
self.tdma_controller.app_queue_size )
self.msg_connect(self.traffic, "out_pkt_port", self.tdma_controller,'from_app')
elif options.traffic_generation == "tunnel":
self.traffic = Tunnel_Handler_PDU_Streamer(options)
self.msg_connect(self.traffic, "out_pkt_port", self.tdma_controller,'from_app')
self.msg_connect(self.tdma_controller,'to_app', self.traffic, "in_pkt_port")
else:
self.traffic = None
self.tdma_logger = tdma_logger(ll_logging, upsample_factor_usrp)
# set up receive path
packet_rx_callback = self.tdma_controller.incoming_packet_callback
self.rx_path = receive_path_gmsk(demodulator, packet_rx_callback, options,
log_index=-2, use_new_pkt=True)
self.gmsk_mod = digital_ll.gmsk_mod(
samples_per_symbol=options.modulation_samples_per_symbol,
bt=options.bt,
verbose=False,
log=False,
)
# declare time tag shifters
is_receive = True
self.rx_time_tag_shifter = time_tag_shifter(is_receive, gr.sizeof_gr_complex)
self.tx_time_tag_shifter = time_tag_shifter(not is_receive, gr.sizeof_gr_complex)
# handle base node specific setup
if self.tdma_mac_sm.is_base():
t0 = time.time()
t0_int = int(t0)-10
t0_frac = t0-t0_int
beacon_sched = (1,1,0,(t0_int, t0_frac),(t0_int, t0_frac))
self.scheduled_mux = digital_ll.scheduled_mux(gr.sizeof_gr_complex,1,
self.fs, [beacon_sched])
self.connect(self.source, self.rx_time_tag_shifter, self.rx_channelizer,self.scheduled_mux,self.rx_path)
# handle mobile node specific setup
else:
t0 = time.time()
t0_int = int(t0)-10
t0_frac = t0-t0_int
beacon_sched = (2.0,2.0,0,(t0_int, t0_frac),(t0_int, t0_frac))
self.scheduled_mux = digital_ll.scheduled_mux(gr.sizeof_gr_complex,2,self.fs)
self.rx_channelizer.switch_channels(options.gpsbug_cal_channel)
# Set up receive path for beacon
# set up beacon consumer
self.beacon_consumer = beacon_consumer(options, overwrite_metadata=True)
beacon_rx_callback = self.beacon_consumer.beacon_callback
self.beacon_rx_path = receive_path_gmsk(demodulator, beacon_rx_callback, options,log_index=-1,use_new_pkt=True)
self.connect(self.source, self.rx_time_tag_shifter,self.rx_channelizer,self.scheduled_mux,self.beacon_consumer)
self.connect(self.scheduled_mux,self.beacon_rx_path)
self.connect((self.scheduled_mux,1),self.rx_path)
self.msg_connect(self.beacon_consumer, "sched_out", self.tdma_controller, "sched_in")
# add in time tag shifter block message connections
self.msg_connect(self.beacon_consumer, 'time_cal_out', self.rx_time_tag_shifter, 'time_tag_shift')
self.msg_connect(self.beacon_consumer, 'time_cal_out', self.tx_time_tag_shifter, 'time_tag_shift')
self.msg_connect(self.beacon_consumer, 'time_cal_out', self.tdma_mac_sm.cq_manager, 'time_tag_shift')
self.connect(self.rx_channelizer,self.tdma_controller)
self.connect(self.packet_framer, self.gmsk_mod, self.digital_scaling,
self.tx_channelizer, self.tx_time_tag_shifter, self.eob, self.sink)
#self.connect(self.gmsk_mod, self.tdma_logger)
self.connect(self.eob, self.tdma_logger)
self.msg_connect(self.tdma_controller, "command_out", self.pmt_rpc, "in")
self.msg_connect(self.tdma_controller, "outgoing_pkt", self.packet_framer, "in")
# store off params for logging
self.get_usrp_params(options)
def __init__(self, frame, panel, vbox, argv):
stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
self.frame = frame
self.panel = panel
parser = OptionParser(option_class=eng_option)
parser.add_option("-a", "--args", type="string", default="",
help="UHD device address args , [default=%default]")
parser.add_option("", "--spec", type="string", default=None,
help="Subdevice of UHD device where appropriate")
parser.add_option("-A", "--antenna", type="string", default=None,
help="select Rx Antenna where appropriate")
parser.add_option("-s", "--samp-rate", type="eng_float", default=1e6,
help="set sample rate (bandwidth) [default=%default]")
parser.add_option("-f", "--freq", type="eng_float", default=None,
help="set frequency to FREQ", metavar="FREQ")
parser.add_option("-g", "--gain", type="eng_float", default=None,
help="set gain in dB (default is midpoint)")
parser.add_option("-W", "--waterfall", action="store_true", default=False,
help="Enable waterfall display")
parser.add_option("-S", "--oscilloscope", action="store_true", default=False,
help="Enable oscilloscope display")
parser.add_option("", "--avg-alpha", type="eng_float", default=1e-1,
help="Set fftsink averaging factor, default=[%default]")
parser.add_option ("", "--averaging", action="store_true", default=False,
help="Enable fftsink averaging, default=[%default]")
parser.add_option("", "--ref-scale", type="eng_float", default=1.0,
help="Set dBFS=0dB input value, default=[%default]")
parser.add_option("", "--fft-size", type="int", default=1024,
help="Set number of FFT bins [default=%default]")
parser.add_option("", "--fft-rate", type="int", default=30,
help="Set FFT update rate, [default=%default]")
parser.add_option("", "--wire-format", type="string", default="sc16",
help="Set wire format from USRP [default=%default]")
parser.add_option("", "--stream-args", type="string", default="",
help="Set additional stream args [default=%default]")
parser.add_option("", "--show-async-msg", action="store_true", default=False,
help="Show asynchronous message notifications from UHD [default=%default]")
parser.add_option("-b", "--bandwidth", type="eng_float", default=1e6,
help="set bandpass filter setting on the RF frontend")
parser.add_option("-n", "--nsamples", type="eng_float", default=1024,
help="set number of samples which will be saved")
parser.add_option("-N", "--samp-avg", type="eng_float", default=10,
help="set number of FFT samples which are averaged")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
self.options = options
self.show_debug_info = True
#Create USRP object
self.u = uhd.usrp_source(device_addr=options.args,
stream_args=uhd.stream_args(cpu_format='fc32',
otw_format=options.wire_format, args=options.stream_args))
#Create USRP object to transmit data to B200 (LO signal)
self.u_lo = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.u_lo.set_samp_rate(320000)
self.u_lo.set_center_freq(25000000, 0)
self.u_lo.set_gain(0, 0)
# Create signal source
self.sig_lo= analog.sig_source_c(320000, analog.GR_SIN_WAVE, 25000000, 0.316, 0)
#(sample_rate, type, frequency, amplitude, offset)
#Valve controls the streaming of LO
self.valve = grc_blks2.valve(item_size=gr.sizeof_gr_complex*1, open=True)
self.fft_size=options.fft_size
# Set the subdevice spec
if(options.spec):
self.u.set_subdev_spec(options.spec, 0)
# Set the antenna
if(options.antenna):
self.u.set_antenna(options.antenna, 0)
# Set sample rate
self.u.set_samp_rate(options.samp_rate)
input_rate = self.u.get_samp_rate()
# What kind of display will be shown
if options.waterfall:
self.scope = \
waterfallsink2.waterfall_sink_c (panel, fft_size=1024,
sample_rate=input_rate)
self.frame.SetMinSize((800, 420))
elif options.oscilloscope:
self.scope = scopesink2.scope_sink_c(panel, sample_rate=input_rate)
self.frame.SetMinSize((800, 600))
else:
self.scope = fftsink2_.fft_sink_c (panel,
fft_size=options.fft_size,
sample_rate=input_rate,
ref_scale=options.ref_scale,
ref_level=20.0,
y_divs = 12,
average=options.averaging,
avg_alpha=options.avg_alpha,
fft_rate=options.fft_rate)
def fftsink_callback(x, y):
self.set_freq(x)
self.scope.set_callback(fftsink_callback)
self.frame.SetMinSize((800, 420))
self.connect(self.u, self.scope)
self.connect(self.sig_lo,self.valve, self.u_lo)
self._build_gui(vbox)
self._setup_events()
# set initial values
# Get gain
if options.gain is None:
# if no gain was specified, use the mid-point in dB
g = self.u.get_gain_range()
options.gain = float(g.start()+g.stop())/2
#Get frequency
if options.freq is None:
# if no freq was specified, use the mid-point
r = self.u.get_freq_range()#possible frequency range
options.freq = float(r.start()+r.stop())/2#middle of the tunable frequency
#Following lines must be after defining myform because set_freq, set_nsamples and set_gain need it
# Set number of samples to store
self.set_nsamples(options.nsamples)
# Set bandwidth (passband filter on the RF frontend)
self.set_bw(options.bandwidth)
# Set gain
self.set_gain(options.gain)
# Set default LO frequency
self.set_lo_freq(25000000)# LO frequency will be 25MHz, by default
if self.show_debug_info:
self.myform['samprate'].set_value(self.u.get_samp_rate())
self.myform['rffreq'].set_value(0)
self.myform['dspfreq'].set_value(0)
if not(self.set_freq(options.freq)):
self._set_status_msg("Failed to set initial frequency")
else:
self.set_filename("Data_nsam_"+str(self.nsamp)+"_samprate_"+str(input_rate)+ "_bw_"+str(self.bandwidth)+"_cfreq_"+str(self.u.get_center_freq())+"_.txt")
# Direct asynchronous notifications to callback function
if self.options.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback)
def __init__(self, options, filename):
gr.top_block.__init__(self)
scalar="scalar="+str(options.scalar)
# Create a UHD device source
if options.output_shorts:
self._u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('sc16',
options.wire_format, args=scalar))
self._sink = gr.file_sink(gr.sizeof_short*2, filename)
else:
self._u = uhd.usrp_source(device_addr=options.args, stream_args=uhd.stream_args('fc32',
options.wire_format, args=scalar))
self._sink = gr.file_sink(gr.sizeof_gr_complex, filename)
# Set the subdevice spec
if(options.spec):
self._u.set_subdev_spec(options.spec, 0)
# Set the antenna
if(options.antenna):
self._u.set_antenna(options.antenna, 0)
# Set receiver sample rate
self._u.set_samp_rate(options.samp_rate)
# Set receive daughterboard gain
if options.gain is None:
g = self._u.get_gain_range()
options.gain = float(g.start()+g.stop())/2
print "Using mid-point gain of", options.gain, "(", g.start(), "-", g.stop(), ")"
self._u.set_gain(options.gain)
# Set frequency (tune request takes lo_offset)
if(options.lo_offset is not None):
treq = uhd.tune_request(options.freq, options.lo_offset)
else:
treq = uhd.tune_request(options.freq)
tr = self._u.set_center_freq(treq)
if tr == None:
sys.stderr.write('Failed to set center frequency\n')
raise SystemExit, 1
# Create head block if needed and wire it up
if options.nsamples is None:
self.connect(self._u, self._sink)
else:
if options.output_shorts:
self._head = gr.head(gr.sizeof_short*2, int(options.nsamples))
else:
self._head = gr.head(gr.sizeof_gr_complex, int(options.nsamples))
self.connect(self._u, self._head, self._sink)
input_rate = self._u.get_samp_rate()
if options.verbose:
print "Args: ", options.args
print "Rx gain:", options.gain
print "Rx baseband frequency:", n2s(tr.actual_rf_freq)
print "Rx DDC frequency:", n2s(tr.actual_dsp_freq)
print "Rx Sample Rate:", n2s(input_rate)
if options.nsamples is None:
print "Receiving samples until Ctrl-C"
else:
print "Receving", n2s(options.nsamples), "samples"
if options.output_shorts:
print "Writing 16-bit complex shorts"
else:
print "Writing 32-bit complex floats"
print "Output filename:", filename
# Direct asynchronous notifications to callback function
if options.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback)
def __init__(self, filenames, dev_addrs, dual,
onebit, iq, noise, mix, gain, fs, fc, unint, sync_pps):
gr.top_block.__init__(self)
if mix:
raise NotImplementedError("TODO: Hilbert remix mode not implemented.")
if dual:
channels = [0, 1]
else:
channels = [0]
uhd_sinks = [
uhd.usrp_sink(",".join(
[addr, "send_frame_size=32768,num_send_frames=128"]),
uhd.stream_args(
cpu_format="fc32",
otwformat="sc8",
channels=channels))
for addr in dev_addrs]
for sink in uhd_sinks:
a = sink.get_usrp_info()
for each in a.keys():
print each + " : " + a.get(each)
sink.set_clock_rate(fs, uhd.ALL_MBOARDS)
sink.set_samp_rate(fs)
sink.set_center_freq(fc, 0)
sink.set_gain(gain, 0)
if dual:
sink.set_center_freq(fc, 1)
sink.set_gain(gain, 1)
sink.set_subdev_spec("A:B A:A", 0)
# TODO Use offset tuning?
if sync_pps:
sink.set_clock_source("external") # 10 MHz
sink.set_time_source("external") # PPS
if unint:
if noise or onebit or not iq:
raise NotImplementedError("TODO: RX channel-interleaved mode only "
"supported for noiseless 8-bit complex.")
BLOCK_N = 16*1024*1024
demux = blocks.vector_to_streams(2, len(uhd_sinks))
self.connect(blocks.file_source(2*len(uhd_sinks)*BLOCK_N, filenames[0], False),
blocks.vector_to_stream(2*len(uhd_sinks), BLOCK_N),
demux)
for ix, sink in enumerate(uhd_sinks):
self.connect((demux, ix),
blocks.vector_to_stream(1, 2),
blocks.interleaved_char_to_complex(), # [-128.0, +127.0]
blocks.multiply_const_cc(1.0/1024), # [-0.125, 0.125)
# blocks.vector_to_stream(8, 16*1024),
sink)
else:
for i, filename in enumerate(filenames):
src = blocks.file_source(gr.sizeof_char*1, filename, False)
if dual:
channel = i % 2
sink = uhd_sinks[i/2]
else:
channel = 0
sink = uhd_sinks[i]
if iq:
node = blocks.multiply_const_cc(1.0/1024)
if onebit:
self.connect(src,
blocks.unpack_k_bits_bb(8),
blocks.char_to_short(), # [0, 1] -> [0, 256]
blocks.add_const_ss(-128), # [-128, +128],
blocks.interleaved_short_to_complex(), # [ -128.0, +128.0]
node) # [-0.125, +0.125]
else:
self.connect(src, # [-128..127]
blocks.interleaved_char_to_complex(), # [-128.0, +127.0]
node) # [-0.125, +0.125)
else:
node = blocks.float_to_complex(1)
if onebit:
self.connect(src,
blocks.unpack_k_bits_bb(8), # [0, 1] -> [-0.125, +0.125]
blocks.char_to_float(vlen=1, scale=4),
blocks.add_const_vff((-0.125, )),
node)
else:
self.connect(src, # [-128..127] -> [-0.125, +0.125)
blocks.char_to_float(vlen=1, scale=1024),
node)
if noise:
combiner = blocks.add_vcc(1)
self.connect((node, 0),
(combiner, 0),
(sink, channel))
self.connect(analog.fastnoise_source_c(analog.GR_GAUSSIAN, noise, -222, 8192),
(combiner, 1))
else:
self.connect((node, 0),
(sink, channel))
print "Setting clocks..."
if sync_pps:
time.sleep(1.1) # Ensure there's been an edge. TODO: necessary?
last_pps_time = uhd_sinks[0].get_time_last_pps()
while last_pps_time == uhd_sinks[0].get_time_last_pps():
time.sleep(0.1)
print "Got edge"
[sink.set_time_next_pps(uhd.time_spec(round(time.time())+1)) for sink in uhd_sinks]
time.sleep(1.0) # Wait for edge to set the clocks
else:
# No external PPS/10 MHz. Just set each clock and accept some skew.
t = time.time()
[sink.set_time_now(uhd.time_spec(time.time())) for sink in uhd_sinks]
if len(uhd_sinks) > 1 or dual:
print "Uncabled; loosely synced only. Initial skew ~ %.1f ms" % (
(time.time()-t) * 1000)
t_start = uhd.time_spec(time.time() + 1.5)
[sink.set_start_time(t_start) for sink in uhd_sinks]
print "ready"
# setup message handler
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback)
def __init__(self, modulator, demodulator, options, ll_logging, dev_log, start_tb_time, time_cal_timeout, start_controller_time):
gr.top_block.__init__(self)
# Get the modulation's bits_per_symbol
args = modulator.extract_kwargs_from_options(options)
symbol_rate = options.modulation_bitrate / modulator(**args).bits_per_symbol()
# all subsequent code expects list of ints, so convert from
# comma separated string
sink_addresses = options.sink_mac_addresses
options.sink_mac_addresses = [int(x) for x in sink_addresses.split(',')]
# Direct asynchronous notifications to callback function
if True:#self.options.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback)
self.dev_log = dev_log
# how much time should be spent calibrating time sync?
self.cal_time = time_cal_timeout
self.rx_channelizer = channelizer.rx_channelizer(options, dev_log)
self.tx_channelizer = channelizer.tx_channelizer(options, dev_log)
self.rx_channelizer.set_beacon_channel(options.gpsbug_cal_channel)
upsampled_symbol_rate = symbol_rate*options.digital_freq_hop_num_channels
upsample_factor_usrp = options.digital_freq_hop_num_channels
#setting up USRP RX
self.source = uhd_receiver(options.usrp_args, upsampled_symbol_rate,
options.modulation_samples_per_symbol,
options.rf_rx_freq, options.rf_rx_gain,
options.usrp_spec, "RX2",
options.verbose)
#setting up USRP TX
self.sink = uhd_transmitter(options.usrp_args, upsampled_symbol_rate,
options.modulation_samples_per_symbol,
options.rf_tx_freq, options.rf_tx_gain,
options.usrp_spec, "TX/RX",
options.verbose)
if self.source._sps != options.modulation_samples_per_symbol:
self.dev_log.warning("The USRP does not support the requested sample rate of %f. Using %f instead",
options.modulation_samples_per_symbol*upsampled_symbol_rate,
self.source._sps*upsampled_symbol_rate)
options.modulation_samples_per_symbol = self.source._sps
self.digital_scaling = gr.multiply_const_vcc((options.digital_scale_factor,))
# moved down here (after reassignment of self.source._sps so we can use
# the actual sample rate the UHD is using
self.fs = options.modulation_samples_per_symbol*upsampled_symbol_rate/upsample_factor_usrp
self.pmt_rpc = digital_ll.pmt_rpc(obj=self,result_msg=False)
self.start_tb_time = start_tb_time
self.start_controller_time = start_controller_time
# this helps control dc tone problem (Use to be burst_gate now eob_shifter)
# TODO: Only programmed for GMSK. Other modulations will need additional work.
upsample_factor = 8*options.modulation_samples_per_symbol*options.digital_freq_hop_num_channels
self.eob = digital_ll.eob_shifter(upsample_factor)
num_d_chans = options.digital_freq_hop_num_channels
if options.tx_access_code == '0':
tx_access_code = None
elif options.tx_access_code == '1':
tx_access_code = '0000010000110001010011110100011100100101101110110011010101111110'
elif options.tx_access_code == '2':
tx_access_code = '1110001100101100010110110001110101100000110001011101000100001110'
else:
tx_access_code = options.tx_access_code
print 'tx access code: %s' % tx_access_code
self.packet_framer = digital_ll.packet_framer(
fs=self.fs,
samples_per_symbol=options.modulation_samples_per_symbol,
bits_per_symbol=1,
access_code=tx_access_code,
number_digital_channels=num_d_chans
)
if options.node_role == "tdma_base":
self.tdma_mac_sm = tdma_base_sm(options, self.sink, self.source,
self.packet_framer.num_bytes_to_num_samples)
else:
self.tdma_mac_sm = tdma_mobile_sm(options, self.sink, self.source,
self.packet_framer.num_bytes_to_num_samples)
base_rl_agent_protocol_manager.configure_action_space(options, self.fs)
num_mobiles = len(options.sink_mac_addresses)
pfs = PatternFrameSchedule()
num_actions = pfs.num_actions
num_stochastic_states = num_mobiles + 1
num_action_states = num_actions
num_states = num_stochastic_states*num_action_states
if self.tdma_mac_sm.is_base():
epoch_len = options.agent_epoch_duration
discount_factor = options.discount_factor
learning_rate = options.learning_rate
greedy_epsilon = options.greedy_epsilon
use_dynamic_alpha = bool(options.agent_use_adaptive_alpha)
use_dynamic_epsilon = bool(options.agent_use_adaptive_greedy_epsilon)
use_change_detection = bool(options.agent_use_reward_change_detection)
reward_history_len = (options.agent_reward_oldbuffer_size,
options.agent_reward_guardbuffer_size,
options.agent_reward_newbuffer_size )
change_delay = options.slot_assignment_leadtime
mobile_ids = options.sink_mac_addresses
if options.agent_type == "q_learner":
agent = Q_Learner(num_states, num_actions, learning_rate,
discount_factor, greedy_epsilon, q_mask=None, q_seed=None,
dynamic_alpha=use_dynamic_alpha, dynamic_epsilon=use_dynamic_epsilon,
reward_history_len=reward_history_len,
use_change_detection=use_change_detection,
min_visit_count=options.agent_epsilon_adaptation_threshold)
elif options.agent_type == "sarsa":
agent = Sarsa_Learner(num_states, num_actions, learning_rate,
discount_factor, greedy_epsilon, q_mask=None, q_seed=None,
dynamic_alpha=use_dynamic_alpha, dynamic_epsilon=use_dynamic_epsilon,)
agent_wrapper = RL_Agent_Wrapper(agent,
epoch_len,
num_stochastic_states,
num_action_states,
change_delay,
mobile_ids,
tdma_types_to_ints,
reward_lookup_states=options.agent_reward_states,
reward_lookup_vals=options.agent_reward_vals,
num_channels=options.digital_freq_hop_num_channels,
do_episodic_learning=False,
lock_buffer_len=options.agent_lock_buffer_len,
lock_policy=options.agent_lock_policy)
manage_slots = base_rl_agent_protocol_manager(tdma_types_to_ints,
options=options,
tdma_mac=self.tdma_mac_sm,
initial_time_ref=start_controller_time,
agent_wrapper=agent_wrapper)
else:
manage_slots = mobile_rl_agent_protocol_manager(tdma_types_to_ints,
options=options,
tdma_mac = self.tdma_mac_sm,)
self.dev_log.info("starting at time %s", start_tb_time)
self.tdma_controller = tdma_controller(options=options,
mac_sm=self.tdma_mac_sm,
manage_slots=manage_slots,
fs=self.fs,
mux_name="scheduled_mux",
rx_channelizer_name="rx_channelizer",
fhss_flag=1,
start_time=start_controller_time,
)
if options.traffic_generation == "infinite":
self.traffic = Infinite_Backlog_PDU_Streamer( options,
self.tdma_controller.app_queue_size )
self.msg_connect(self.traffic, "out_pkt_port", self.tdma_controller,'from_app')
elif options.traffic_generation == "tunnel":
self.traffic = Tunnel_Handler_PDU_Streamer(options)
self.msg_connect(self.traffic, "out_pkt_port", self.tdma_controller,'from_app')
self.msg_connect(self.tdma_controller,'to_app', self.traffic, "in_pkt_port")
else:
self.traffic = None
self.tdma_logger = tdma_logger(ll_logging, upsample_factor_usrp)
# set up receive path
packet_rx_callback = self.tdma_controller.incoming_packet_callback
self.rx_path = receive_path_gmsk(demodulator, packet_rx_callback, options,
log_index=-2, use_new_pkt=True)
self.gmsk_mod = digital_ll.gmsk_mod(
samples_per_symbol=options.modulation_samples_per_symbol,
bt=options.bt,
verbose=False,
log=False,
)
# declare time tag shifters
is_receive = True
self.rx_time_tag_shifter = time_tag_shifter(is_receive, gr.sizeof_gr_complex)
self.tx_time_tag_shifter = time_tag_shifter(not is_receive, gr.sizeof_gr_complex)
# handle base node specific setup
if self.tdma_mac_sm.is_base():
t0 = time.time()
t0_int = int(t0)-10
t0_frac = t0-t0_int
beacon_sched = (1,1,0,(t0_int, t0_frac),(t0_int, t0_frac))
self.scheduled_mux = digital_ll.scheduled_mux(gr.sizeof_gr_complex,1,
self.fs, [beacon_sched])
self.connect(self.source, self.rx_time_tag_shifter, self.rx_channelizer,self.scheduled_mux,self.rx_path)
# handle mobile node specific setup
else:
t0 = time.time()
t0_int = int(t0)-10
t0_frac = t0-t0_int
beacon_sched = (options.beacon_sense_block_size,
options.beacon_sense_block_size,
0,(t0_int, t0_frac),(t0_int, t0_frac))
self.scheduled_mux = digital_ll.scheduled_mux(gr.sizeof_gr_complex,2,self.fs)
self.rx_channelizer.switch_channels(options.gpsbug_cal_channel)
# Set up receive path for beacon
# set up beacon consumer
self.beacon_consumer = beacon_consumer(options, overwrite_metadata=True)
beacon_rx_callback = self.beacon_consumer.beacon_callback
self.beacon_rx_path = receive_path_gmsk(demodulator, beacon_rx_callback, options,log_index=-1,use_new_pkt=True)
self.connect(self.source, self.rx_time_tag_shifter,self.rx_channelizer,self.scheduled_mux,self.beacon_consumer)
self.connect(self.scheduled_mux,self.beacon_rx_path)
self.connect((self.scheduled_mux,1),self.rx_path)
self.msg_connect(self.beacon_consumer, "sched_out", self.tdma_controller, "sched_in")
# add in time tag shifter block message connections
self.msg_connect(self.beacon_consumer, 'time_cal_out', self.rx_time_tag_shifter, 'time_tag_shift')
self.msg_connect(self.beacon_consumer, 'time_cal_out', self.tx_time_tag_shifter, 'time_tag_shift')
self.msg_connect(self.beacon_consumer, 'time_cal_out', self.tdma_mac_sm.cq_manager, 'time_tag_shift')
self.connect(self.rx_channelizer,self.tdma_controller)
self.connect(self.packet_framer, self.gmsk_mod, self.digital_scaling,
self.tx_channelizer, self.tx_time_tag_shifter, self.eob, self.sink)
#self.connect(self.gmsk_mod, self.tdma_logger)
self.connect(self.eob, self.tdma_logger)
self.msg_connect(self.tdma_controller, "command_out", self.pmt_rpc, "in")
self.msg_connect(self.tdma_controller, "outgoing_pkt", self.packet_framer, "in")
# store off params for logging
self.get_usrp_params(options)
def __init__(self, modulator, demodulator, options, ll_logging, dev_log,
start_tb_time, time_cal_timeout, start_controller_time):
gr.top_block.__init__(self)
# Get the modulation's bits_per_symbol
args = modulator.extract_kwargs_from_options(options)
symbol_rate = options.modulation_bitrate / modulator(
**args).bits_per_symbol()
# all subsequent code expects list of ints, so convert from
# comma separated string
sink_addresses = options.sink_mac_addresses
options.sink_mac_addresses = [
int(x) for x in sink_addresses.split(',')
]
# Direct asynchronous notifications to callback function
if True: #self.options.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq,
self.async_callback)
self.dev_log = dev_log
# how much time should be spent calibrating time sync?
self.cal_time = time_cal_timeout
#setting up USRP RX
self.source = uhd_receiver(options.usrp_args, symbol_rate,
options.modulation_samples_per_symbol,
options.rf_rx_freq, options.rf_rx_gain,
options.usrp_spec, "RX2", options.verbose)
#setting up USRP TX
self.sink = uhd_transmitter(options.usrp_args, symbol_rate,
options.modulation_samples_per_symbol,
options.rf_tx_freq, options.rf_tx_gain,
options.usrp_spec, "TX/RX",
options.verbose)
if self.source._sps != options.modulation_samples_per_symbol:
self.dev_log.warning(
"The USRP does not support the requested sample rate of %f. Using %f instead",
options.modulation_samples_per_symbol * symbol_rate,
self.source._sps * symbol_rate)
options.modulation_samples_per_symbol = self.source._sps
self.digital_scaling = gr.multiply_const_vcc(
(options.digital_scale_factor, ))
# moved down here (after reassignment of self.source._sps so we can use
# the actual sample rate the UHD is using
self.fs = options.modulation_samples_per_symbol * symbol_rate
self.pmt_rpc = digital_ll.pmt_rpc(obj=self, result_msg=False)
self.start_tb_time = start_tb_time
self.start_controller_time = start_controller_time
upsample_factor = 8 * options.modulation_samples_per_symbol
self.eob = digital_ll.eob_shifter(upsample_factor)
options.digital_freq_hop_num_channels = 1
if options.tx_access_code == '0':
tx_access_code = None
elif options.tx_access_code == '1':
tx_access_code = '0000010000110001010011110100011100100101101110110011010101111110'
elif options.tx_access_code == '2':
tx_access_code = '1110001100101100010110110001110101100000110001011101000100001110'
else:
tx_access_code = options.tx_access_code
print 'tx access code: %s' % tx_access_code
self.packet_framer = digital_ll.packet_framer(
fs=self.fs,
samples_per_symbol=options.modulation_samples_per_symbol,
bits_per_symbol=1,
access_code=tx_access_code,
number_digital_channels=1)
if options.node_role == "tdma_base":
self.tdma_mac_sm = tdma_base_sm(
options, self.sink, self.source,
self.packet_framer.num_bytes_to_num_samples)
self.frame_sched = parse_frame_file(options.frame_file,
start_controller_time, self.fs)
for k, slot in enumerate(self.frame_sched["slots"]):
self.frame_sched["slots"][k] = slot._replace()
# replace the rf_freq field with the value of tx_freq from the ini or
# command line for the slots transmitted by the base
if (slot.type == "downlink") or (slot.type == "beacon"):
self.frame_sched["slots"][k] = slot._replace(
rf_freq=options.rf_tx_freq,
tx_gain=options.rf_tx_gain,
bw=self.fs)
# replace the rf_freq field with the value of rx_freq from the ini or
# command line for the slots received by the base
elif slot.type == "uplink":
self.frame_sched["slots"][k] = slot._replace(
rf_freq=options.rf_rx_freq,
tx_gain=options.rf_tx_gain,
bw=self.fs)
# for simple case, force all slot baseband frequencies to 0
for k, slot in enumerate(self.frame_sched["slots"]):
self.frame_sched["slots"][k] = slot._replace(bb_freq=0)
else:
self.tdma_mac_sm = tdma_mobile_sm(
options, self.sink, self.source,
self.packet_framer.num_bytes_to_num_samples)
self.frame_sched = None
if self.tdma_mac_sm.is_base():
manage_slots = base_slot_manager_static(
types_to_ints=tdma_types_to_ints,
options=options,
tdma_mac=self.tdma_mac_sm,
initial_schedule=self.frame_sched)
else:
manage_slots = mobile_slot_manager_static(
types_to_ints=tdma_types_to_ints,
options=options,
tdma_mac=self.tdma_mac_sm,
)
self.dev_log.info("starting at time %s", start_tb_time)
self.tdma_controller = tdma_controller(
options=options,
mac_sm=self.tdma_mac_sm,
manage_slots=manage_slots,
fs=self.fs,
mux_name="scheduled_mux",
rx_channelizer_name="rx_channelizer",
fhss_flag=0, # No hopping
start_time=start_controller_time,
)
if options.traffic_generation == "infinite":
self.traffic = Infinite_Backlog_PDU_Streamer(
options, self.tdma_controller.app_queue_size)
self.msg_connect(self.traffic, "out_pkt_port",
self.tdma_controller, 'from_app')
elif options.traffic_generation == "tunnel":
self.traffic = Tunnel_Handler_PDU_Streamer(options)
self.msg_connect(self.traffic, "out_pkt_port",
self.tdma_controller, 'from_app')
self.msg_connect(self.tdma_controller, 'to_app', self.traffic,
"in_pkt_port")
else:
self.traffic = None
self.tdma_logger = tdma_logger(ll_logging, 1)
# set up receive path
packet_rx_callback = self.tdma_controller.incoming_packet_callback
self.rx_path = receive_path_gmsk(demodulator,
packet_rx_callback,
options,
log_index=-2,
use_new_pkt=True)
self.gmsk_mod = digital_ll.gmsk_mod(
samples_per_symbol=options.modulation_samples_per_symbol,
bt=options.bt,
verbose=False,
log=False,
)
# declare time tag shifters
is_receive = True
self.rx_time_tag_shifter = time_tag_shifter(is_receive,
gr.sizeof_gr_complex)
self.tx_time_tag_shifter = time_tag_shifter(not is_receive,
gr.sizeof_gr_complex)
# handle base node specific setup
if self.tdma_mac_sm.is_base():
t0 = time.time()
t0_int = int(t0) - 10
t0_frac = t0 - t0_int
beacon_sched = (1, 1, 0, (t0_int, t0_frac), (t0_int, t0_frac))
self.scheduled_mux = digital_ll.scheduled_mux(
gr.sizeof_gr_complex, 1, self.fs, [beacon_sched])
self.connect(self.source, self.rx_time_tag_shifter,
self.scheduled_mux, self.rx_path)
# handle mobile node specific setup
else:
t0 = time.time()
t0_int = int(t0) - 10
t0_frac = t0 - t0_int
beacon_sched = (options.beacon_sense_block_size,
options.beacon_sense_block_size, 0,
(t0_int, t0_frac), (t0_int, t0_frac))
self.scheduled_mux = digital_ll.scheduled_mux(
gr.sizeof_gr_complex, 2, self.fs)
# Set up receive path for beacon
# set up beacon consumer
self.beacon_consumer = beacon_consumer(options,
overwrite_metadata=True)
beacon_rx_callback = self.beacon_consumer.beacon_callback
self.beacon_rx_path = receive_path_gmsk(demodulator,
beacon_rx_callback,
options,
log_index=-1,
use_new_pkt=True)
self.connect(self.source, self.rx_time_tag_shifter,
self.scheduled_mux, self.beacon_consumer)
self.connect(self.scheduled_mux, self.beacon_rx_path)
self.connect((self.scheduled_mux, 1), self.rx_path)
self.msg_connect(self.beacon_consumer, "sched_out",
self.tdma_controller, "sched_in")
# add in time tag shifter block message connections
self.msg_connect(self.beacon_consumer, 'time_cal_out',
self.rx_time_tag_shifter, 'time_tag_shift')
self.msg_connect(self.beacon_consumer, 'time_cal_out',
self.tx_time_tag_shifter, 'time_tag_shift')
self.msg_connect(self.beacon_consumer, 'time_cal_out',
self.tdma_mac_sm.cq_manager, 'time_tag_shift')
self.connect(self.rx_time_tag_shifter, self.tdma_controller)
self.connect(self.packet_framer, self.gmsk_mod, self.digital_scaling,
self.tx_time_tag_shifter, self.eob, self.sink)
#self.connect(self.gmsk_mod, self.tdma_logger)
self.connect(self.eob, self.tdma_logger)
self.msg_connect(self.tdma_controller, "command_out", self.pmt_rpc,
"in")
self.msg_connect(self.tdma_controller, "outgoing_pkt",
self.packet_framer, "in")
# store off params for logging
self.get_usrp_params(options)
def __init__(self, options, filename):
gr.top_block.__init__(self)
scalar = "scalar=" + str(options.scalar)
# Create a UHD device source
if options.output_shorts:
self._u = uhd.usrp_source(device_addr=options.args,
stream_args=uhd.stream_args(
'sc16',
options.wire_format,
args=scalar))
self._sink = blocks.file_sink(gr.sizeof_short * 2, filename)
else:
self._u = uhd.usrp_source(device_addr=options.args,
stream_args=uhd.stream_args(
'fc32',
options.wire_format,
args=scalar))
self._sink = blocks.file_sink(gr.sizeof_gr_complex, filename)
# Set the subdevice spec
if (options.spec):
self._u.set_subdev_spec(options.spec, 0)
# Set the antenna
if (options.antenna):
self._u.set_antenna(options.antenna, 0)
# Set receiver sample rate
self._u.set_samp_rate(options.samp_rate)
# Set receive daughterboard gain
if options.gain is None:
g = self._u.get_gain_range()
options.gain = float(g.start() + g.stop()) / 2
print "Using mid-point gain of", options.gain, "(", g.start(
), "-", g.stop(), ")"
self._u.set_gain(options.gain)
# Set frequency (tune request takes lo_offset)
if (options.lo_offset is not None):
treq = uhd.tune_request(options.freq, options.lo_offset)
else:
treq = uhd.tune_request(options.freq)
tr = self._u.set_center_freq(treq)
if tr == None:
sys.stderr.write('Failed to set center frequency\n')
raise SystemExit, 1
# Create head block if needed and wire it up
if options.nsamples is None:
self.connect(self._u, self._sink)
else:
if options.output_shorts:
self._head = blocks.head(gr.sizeof_short * 2,
int(options.nsamples))
else:
self._head = blocks.head(gr.sizeof_gr_complex,
int(options.nsamples))
self.connect(self._u, self._head, self._sink)
input_rate = self._u.get_samp_rate()
if options.verbose:
print "Args: ", options.args
print "Rx gain:", options.gain
print "Rx baseband frequency:", n2s(tr.actual_rf_freq)
print "Rx DDC frequency:", n2s(tr.actual_dsp_freq)
print "Rx Sample Rate:", n2s(input_rate)
if options.nsamples is None:
print "Receiving samples until Ctrl-C"
else:
print "Receving", n2s(options.nsamples), "samples"
if options.output_shorts:
print "Writing 16-bit complex shorts"
else:
print "Writing 32-bit complex floats"
print "Output filename:", filename
# Direct asynchronous notifications to callback function
if options.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq,
self.async_callback)
def setup_usrp(self, ctor, args, cpu_format='fc32'):
"""
Instantiate a USRP object; takes care of all kinds of corner cases and settings.
Pop it and some args onto the class that calls this.
"""
self.channels = args.channels
self.cpu_format = cpu_format
# Create a UHD device object:
self.usrp = ctor(
device_addr=args.args,
stream_args=uhd.stream_args(
cpu_format,
args.otw_format,
args=args.stream_args,
channels=self.channels,
)
)
# Set the subdevice spec:
if args.spec:
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.set_subdev_spec(args.spec, mb_idx)
# Sampling rate:
self.usrp.set_samp_rate(args.samp_rate)
self.samp_rate = self.usrp.get_samp_rate()
self.vprint("Using sampling rate: {rate}".format(rate=self.samp_rate))
# Set the antenna:
self.antenna = self.normalize_antenna_sel(args)
if self.antenna is not None:
for i, chan in enumerate(self.channels):
if not self.antenna[i] in self.usrp.get_antennas(chan):
self.vprint("[ERROR] {} is not a valid antenna name for this USRP device!".format(ant))
exit(1)
self.usrp.set_antenna(self.antenna[i], chan)
self.vprint("[{prefix}] Channel {chan}: Using antenna {ant}.".format(
prefix=self.prefix, chan=chan, ant=self.usrp.get_antenna(chan)
))
self.antenna = self.usrp.get_antenna(self.channels[0])
# Set receive daughterboard gain:
self.set_gain(args.gain)
self.gain_range = self.usrp.get_gain_range(self.channels[0])
# Set frequency (tune request takes lo_offset):
if hasattr(args, 'lo_offset') and args.lo_offset is not None:
treq = uhd.tune_request(args.freq, args.lo_offset)
else:
treq = uhd.tune_request(args.freq)
self.has_lo_sensor = 'lo_locked' in self.usrp.get_sensor_names()
# Make sure tuning is synched:
if len(self.channels) > 1:
if args.sync == 'pps':
self.usrp.set_time_unknown_pps(uhd.time_spec())
cmd_time = self.usrp.get_time_now() + uhd.time_spec(COMMAND_DELAY)
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.set_command_time(cmd_time, mb_idx)
for chan in self.channels:
self.tr = self.usrp.set_center_freq(treq, chan)
if self.tr == None:
sys.stderr.write('[{prefix}] [ERROR] Failed to set center frequency on channel {chan}\n'.format(
prefix=self.prefix, chan=chan
))
exit(1)
if len(self.channels) > 1:
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.clear_command_time(mb_idx)
self.vprint("Syncing channels...".format(prefix=self.prefix))
time.sleep(COMMAND_DELAY)
self.freq = self.usrp.get_center_freq(self.channels[0])
if args.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback)
def setup_usrp(self, ctor, args, cpu_format='fc32'):
"""
Instantiate a USRP object; takes care of all kinds of corner cases and settings.
Pop it and some args onto the class that calls this.
"""
self.channels = args.channels
self.cpu_format = cpu_format
# Create a UHD device object:
self.usrp = ctor(device_addr=args.args,
stream_args=uhd.stream_args(
cpu_format,
args.otw_format,
args=args.stream_args,
channels=self.channels,
))
# Set the subdevice spec:
if args.spec:
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.set_subdev_spec(args.spec, mb_idx)
# Set the clock and/or time source:
if args.clock_source is not None:
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.set_clock_source(args.clock_source, mb_idx)
if args.time_source is not None:
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.set_time_source(args.time_source, mb_idx)
# Sampling rate:
self.usrp.set_samp_rate(args.samp_rate)
self.samp_rate = self.usrp.get_samp_rate()
self.vprint("Using sampling rate: {rate}".format(rate=self.samp_rate))
# Set the antenna:
self.antenna = self.normalize_antenna_sel(args)
if self.antenna is not None:
for i, chan in enumerate(self.channels):
if not self.antenna[i] in self.usrp.get_antennas(chan):
self.vprint(
"[ERROR] {} is not a valid antenna name for this USRP device!"
.format(self.antenna[i]))
exit(1)
self.usrp.set_antenna(self.antenna[i], chan)
self.vprint(
"[{prefix}] Channel {chan}: Using antenna {ant}.".format(
prefix=self.prefix,
chan=chan,
ant=self.usrp.get_antenna(chan)))
self.antenna = self.usrp.get_antenna(self.channels[0])
# Set receive daughterboard gain:
self.set_gain(args.gain)
self.gain_range = self.usrp.get_gain_range(self.channels[0])
# Set frequency (tune request takes lo_offset):
if hasattr(args, 'lo_offset') and args.lo_offset is not None:
treq = uhd.tune_request(args.freq, args.lo_offset)
else:
treq = uhd.tune_request(args.freq)
self.has_lo_sensor = 'lo_locked' in self.usrp.get_sensor_names()
# Make sure tuning is synched:
command_time_set = False
if len(self.channels) > 1:
if args.sync == 'pps':
self.usrp.set_time_unknown_pps(uhd.time_spec())
cmd_time = self.usrp.get_time_now() + uhd.time_spec(COMMAND_DELAY)
try:
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.set_command_time(cmd_time, mb_idx)
command_time_set = True
except RuntimeError:
sys.stderr.write(
'[{prefix}] [WARNING] Failed to set command times.\n'.
format(prefix=self.prefix))
for chan in self.channels:
self.tr = self.usrp.set_center_freq(treq, chan)
if self.tr == None:
sys.stderr.write(
'[{prefix}] [ERROR] Failed to set center frequency on channel {chan}\n'
.format(prefix=self.prefix, chan=chan))
exit(1)
if command_time_set:
for mb_idx in xrange(self.usrp.get_num_mboards()):
self.usrp.clear_command_time(mb_idx)
self.vprint("Syncing channels...".format(prefix=self.prefix))
time.sleep(COMMAND_DELAY)
self.freq = self.usrp.get_center_freq(self.channels[0])
if args.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq,
self.async_callback)
def setup_usrp(self, ctor, args, cpu_format='fc32'):
"""
Instantiate a USRP object; takes care of all kinds of corner cases and settings.
Pop it and some args onto the class that calls this.
"""
self.channels = args.channels
self.cpu_format = cpu_format
# Create a UHD device object:
self.usrp = ctor(
device_addr=args.args,
stream_args=uhd.stream_args(
cpu_format,
args.otw_format,
args=args.stream_args,
channels=self.channels,
)
)
# Set the subdevice spec:
self.spec = self.normalize_sel("mboards", "subdev",
self.usrp.get_num_mboards(), args.spec)
if self.spec:
for mb_idx in range(self.usrp.get_num_mboards()):
self.usrp.set_subdev_spec(self.spec[mb_idx], mb_idx)
# Set the clock and/or time source:
if args.clock_source is not None:
self.clock_source = self.normalize_sel("mboards", "clock-source",
self.usrp.get_num_mboards(), args.clock_source)
for mb_idx in range(self.usrp.get_num_mboards()):
self.usrp.set_clock_source(self.clock_source[mb_idx], mb_idx)
if args.time_source is not None:
self.time_source = self.normalize_sel("mboards", "time-source",
self.usrp.get_num_mboards(), args.time_source)
for mb_idx in range(self.usrp.get_num_mboards()):
self.usrp.set_time_source(self.time_source[mb_idx], mb_idx)
# Sampling rate:
self.usrp.set_samp_rate(args.samp_rate)
self.samp_rate = self.usrp.get_samp_rate()
self.vprint("Using sampling rate: {rate}".format(rate=self.samp_rate))
# Set the antenna:
self.antenna = self.normalize_sel("channels", "antenna", len(args.channels), args.antenna)
if self.antenna is not None:
for i, chan in enumerate(self.channels):
if not self.antenna[i] in self.usrp.get_antennas(i):
print("[ERROR] {} is not a valid antenna name for this USRP device!".format(self.antenna[i]))
exit(1)
self.usrp.set_antenna(self.antenna[i], i)
self.vprint("[{prefix}] Channel {chan}: Using antenna {ant}.".format(
prefix=self.prefix, chan=chan, ant=self.usrp.get_antenna(i)
))
self.antenna = self.usrp.get_antenna(0)
# Set receive daughterboard gain:
self.set_gain(args.gain)
self.gain_range = self.usrp.get_gain_range(0)
# Set frequency (tune request takes lo_offset):
if hasattr(args, 'lo_offset') and args.lo_offset is not None:
treq = uhd.tune_request(args.freq, args.lo_offset)
else:
treq = uhd.tune_request(args.freq)
self.has_lo_sensor = 'lo_locked' in self.usrp.get_sensor_names()
# Set LO export and LO source operation
if (args.lo_export is not None) and (args.lo_source is not None):
self.lo_source = self.normalize_sel("channels", "lo-source", len(self.channels), args.lo_source)
self.lo_export = self.normalize_sel("channels", "lo-export", len(self.channels), args.lo_export)
self.lo_source_channel = None
for chan, lo_source, lo_export in zip(self.channels, self.lo_source, self.lo_export):
if (lo_source == "None") or (lo_export == "None"):
continue
if lo_export == "True":
#If channel is LO source set frequency and store response
self.usrp.set_lo_export_enabled(True, uhd.ALL_LOS, chan)
if lo_source == "internal":
self.lo_source_channel = chan
tune_resp = self.usrp.set_center_freq(treq,chan)
self.usrp.set_lo_source(lo_source, uhd.ALL_LOS,chan)
# Use lo source tune response to tune dsp_freq on remaining channels
if self.lo_source_channel is not None:
if getattr(args, 'lo_offset', None) is not None:
treq = uhd.tune_request(target_freq=args.freq, rf_freq=args.freq+args.lo_offset, rf_freq_policy=uhd.tune_request.POLICY_MANUAL,
dsp_freq=tune_resp.actual_dsp_freq,
dsp_freq_policy=uhd.tune_request.POLICY_MANUAL)
else:
treq = uhd.tune_request(target_freq=args.freq, rf_freq=args.freg, rf_freq_policy=uhd.tune_request.POLICY_MANUAL,
dsp_freq=tune_resp.actual_dsp_freq,
dsp_freq_policy=uhd.tune_request.POLICY_MANUAL)
for chan in args.channels:
if chan == self.lo_source_channel:
continue
self.usrp.set_center_freq(treq,chan)
# Make sure tuning is synched:
command_time_set = False
if len(self.channels) > 1:
if args.sync == 'pps':
self.usrp.set_time_unknown_pps(uhd.time_spec())
cmd_time = self.usrp.get_time_now() + uhd.time_spec(COMMAND_DELAY)
try:
for mb_idx in range(self.usrp.get_num_mboards()):
self.usrp.set_command_time(cmd_time, mb_idx)
command_time_set = True
except RuntimeError:
sys.stderr.write('[{prefix}] [WARNING] Failed to set command times.\n'.format(prefix=self.prefix))
for i, chan in enumerate(self.channels):
self.tr = self.usrp.set_center_freq(treq, i)
if self.tr == None:
sys.stderr.write('[{prefix}] [ERROR] Failed to set center frequency on channel {chan}\n'.format(
prefix=self.prefix, chan=chan
))
exit(1)
if command_time_set:
for mb_idx in range(self.usrp.get_num_mboards()):
self.usrp.clear_command_time(mb_idx)
self.vprint("Syncing channels...".format(prefix=self.prefix))
time.sleep(COMMAND_DELAY)
self.freq = self.usrp.get_center_freq(0)
if args.show_async_msg:
self.async_msgq = gr.msg_queue(0)
self.async_src = uhd.amsg_source("", self.async_msgq)
self.async_rcv = gru.msgq_runner(self.async_msgq, self.async_callback)
