if k not in self.__cells:
self.__cells[k] = LooseCell(key=k,
value=None,
type=object,
writable=False,
persists=False)
self.__cells[k].set_internal(v)
def is_interesting(self):
"""Implements ITelemetryObject."""
return True
def get_object_expiry(self):
"""implement ITelemetryObject"""
return self.__last_heard_time + drop_unheard_timeout_seconds
@exported_value(type=Timestamp())
def get_last_heard_time(self):
return self.__last_heard_time
# TODO: Arrange for a way for the user to see why it is unavailable.
_rtl_433_available = test_subprocess(['rtl_433', '-r', '/dev/null'],
'Reading samples from file',
shell=False)
plugin_mode = ModeDef(mode='433',
label='rtl_433',
demod_class=RTL433Demodulator,
available=_rtl_433_available)
def __lineReceived(self, line):
if line == '': # observed glitch in output
pass
elif line.startswith('Enabled demodulators:'):
pass
elif line.startswith(
'$ULTW'
) and self.__last_line is not None: # observed glitch in output; need to glue to previous line, I think?
ll = self.__last_line
self.__last_line = None
self.__target(ll + line)
elif line.startswith('APRS: '):
line = line[len('APRS: '):]
self.__last_line = line
self.__target(line)
else:
# TODO: Log these properly
print 'Not APRS line: %r' % line
# TODO: Arrange for a way for the user to see why it is unavailable.
_multimon_available = test_subprocess('multimon-ng -h; exit 0',
'available demodulators:',
shell=True)
pluginDef_APRS = ModeDef(
mode='APRS', # TODO: Rename mode to be more accurate
label='APRS',
demod_class=FMAPRSDemodulator,
available=_multimon_available)
raise Exception('shouldn\'t happen')
def __lineReceived(self, line):
if line == '': # observed glitch in output
pass
elif line.startswith('Enabled demodulators:'):
pass
elif line.startswith('$ULTW') and self.__last_line is not None: # observed glitch in output; need to glue to previous line, I think?
ll = self.__last_line
self.__last_line = None
self.__target(ll + line)
elif line.startswith('APRS: '):
line = line[len('APRS: '):]
self.__last_line = line
self.__target(line)
else:
# TODO: Log these properly
print 'Not APRS line: %r' % line
# TODO: Arrange for a way for the user to see why it is unavailable.
_multimon_available = test_subprocess('multimon-ng -h; exit 0', 'available demodulators:', shell=True)
pluginDef_APRS = ModeDef(
mode='APRS', # TODO: Rename mode to be more accurate
label='APRS',
demod_class=FMAPRSDemodulator,
shared_objects={'aprs_information': APRSInformation},
available=_multimon_available)
type=object,
writable=False,
persists=False)
self.__cells[k].set_internal(v)
def is_interesting(self):
"""Implements ITelemetryObject."""
return True
def get_object_expiry(self):
"""implement ITelemetryObject"""
return self.__last_heard_time + drop_unheard_timeout_seconds
@exported_value(type=Timestamp())
def get_last_heard_time(self):
return self.__last_heard_time
# TODO: Arrange for a way for the user to see why it is unavailable.
_rtl_433_available = test_subprocess(
['rtl_433', '-r', '/dev/null'],
'Reading samples from file',
shell=False)
plugin_mode = ModeDef(
mode='433',
label='rtl_433',
demod_class=RTL433Demodulator,
available=_rtl_433_available)
# Output
converter = blocks.float_to_short(vlen=1, scale=int_scale)
self.connect(self, self.fm_demod, converter, self.process)
# Dummy sink for useless stereo output of demod
self.connect((self.fm_demod, 1), blocks.null_sink(gr.sizeof_float))
# Audio copy output
resampler = make_resampler(pipe_rate, audio_rate)
self.connect(converter, blocks.short_to_float(vlen=1, scale=int_scale), resampler)
# self.connect(self.fm_demod, resampler)
self.connect(resampler, (self, 0))
self.connect(resampler, (self, 1))
def can_set_mode(self, mode):
return False
def get_half_bandwidth(self):
return self.fm_demod.get_half_bandwidth()
@exported_value()
def get_band_filter_shape(self):
return self.fm_demod.get_band_filter_shape()
# TODO: Arrange for a way for the user to see why it is unavailable.
pluginDef_APRS = ModeDef(
"APRS",
label="APRS",
demodClass=MultimonNGDemodulator,
available=test_subprocess("multimon-ng -h; exit 0", "available demodulators:", shell=True),
)
filter,
blocks.complex_to_imag(1),
blocks.multiply_const_ff(255.0/2),
blocks.add_const_ff(255.0/2),
blocks.float_to_uchar(),
(interleaver, 1))
# Dummy audio
zero = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 0)
self.throttle = blocks.throttle(gr.sizeof_float, audio_rate)
self.connect(zero, self.throttle)
self.connect(self.throttle, (self, 0))
self.connect(self.throttle, (self, 1))
def can_set_mode(self, mode):
return False
def get_half_bandwidth(self):
return pipe_rate / 2
@exported_value()
def get_band_filter_shape(self):
return {
'low': -pipe_rate/2,
'high': pipe_rate/2,
'width': transition_width
}
# TODO: Arrange for a way for the user to see why it is unavailable.
pluginDef = ModeDef('MODE-S', label='Mode S', demodClass=ModeSDemodulator,
available=test_subprocess(['dump1090', '--help'], '--enable-agc'))
blocks.multiply_const_ff(255.0 / 2),
blocks.add_const_ff(255.0 / 2),
blocks.float_to_uchar(),
(interleaver, 1),
)
# Dummy audio
zero = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 0)
self.throttle = blocks.throttle(gr.sizeof_float, audio_rate)
self.connect(zero, self.throttle)
self.connect(self.throttle, (self, 0))
self.connect(self.throttle, (self, 1))
def can_set_mode(self, mode):
return False
def get_half_bandwidth(self):
return pipe_rate / 2
@exported_value()
def get_band_filter_shape(self):
return {"low": -pipe_rate / 2, "high": pipe_rate / 2, "width": transition_width}
# TODO: Arrange for a way for the user to see why it is unavailable.
pluginDef = ModeDef(
"MODE-S",
label="Mode S",
demodClass=ModeSDemodulator,
available=test_subprocess(["dump1090", "--help"], "--enable-agc"),
)