def testUpdateValidator(self):
pv = PropertyValidator(PropertyLayer(), {"testkey": StringValidator()})
# this should pass
pv["testkey"] = "text"
pv.setValidator("testkey", NumberValidator())
# this should raise
with self.assertRaises(PropertyValidationError):
pv["testkey"] = "text"
def testPassesUnvalidated(self):
pm = PropertyLayer()
pv = PropertyValidator(pm)
pv["testkey"] = "testvalue"
self.assertEqual(pv["testkey"], "testvalue")
self.assertEqual(pm["testkey"], "testvalue")
def testSetValidator(self):
pv = PropertyValidator(PropertyLayer())
pv.setValidator("testkey", NumberValidator())
with self.assertRaises(PropertyValidationError):
pv["testkey"] = "text"
def testThrowsErrorOnInvalidValue(self):
pv = PropertyValidator(PropertyLayer(), {"testkey": NumberValidator()})
with self.assertRaises(PropertyValidationError):
pv["testkey"] = "text"
def testPassesValidValue(self):
pv = PropertyValidator(PropertyLayer(), {"testkey": NumberValidator()})
pv["testkey"] = 42
self.assertEqual(pv["testkey"], 42)
def __init__(self, handler, sdrSource):
self.handler = handler
self.sdrSource = sdrSource
self.parsers = {
"meta": MetaParser(self.handler),
"wsjt_demod": WsjtParser(self.handler),
"packet_demod": AprsParser(self.handler),
"pocsag_demod": PocsagParser(self.handler),
"js8_demod": Js8Parser(self.handler),
}
self.props = PropertyStack()
# local demodulator properties not forwarded to the sdr
# ensure strict validation since these can be set from the client
# and are used to build executable commands
validators = {
"output_rate": "int",
"hd_output_rate": "int",
"squelch_level": "num",
"secondary_mod": ModulationValidator(),
"low_cut": "num",
"high_cut": "num",
"offset_freq": "int",
"mod": ModulationValidator(),
"secondary_offset_freq": "int",
"dmr_filter": "int",
}
self.localProps = PropertyValidator(
PropertyLayer().filter(*validators.keys()), validators)
self.props.addLayer(0, self.localProps)
# properties that we inherit from the sdr
self.props.addLayer(
1,
self.sdrSource.getProps().filter(
"audio_compression",
"fft_compression",
"digimodes_fft_size",
"csdr_dynamic_bufsize",
"csdr_print_bufsizes",
"csdr_through",
"digimodes_enable",
"samp_rate",
"digital_voice_unvoiced_quality",
"temporary_directory",
"center_freq",
"start_mod",
"start_freq",
"wfm_deemphasis_tau",
))
self.dsp = csdr.dsp(self)
self.dsp.nc_port = self.sdrSource.getPort()
def set_low_cut(cut):
bpf = self.dsp.get_bpf()
bpf[0] = cut
self.dsp.set_bpf(*bpf)
def set_high_cut(cut):
bpf = self.dsp.get_bpf()
bpf[1] = cut
self.dsp.set_bpf(*bpf)
def set_dial_freq(key, value):
if self.props["center_freq"] is None or self.props[
"offset_freq"] is None:
return
freq = self.props["center_freq"] + self.props["offset_freq"]
for parser in self.parsers.values():
parser.setDialFrequency(freq)
if "start_mod" in self.props:
self.dsp.set_demodulator(self.props["start_mod"])
mode = Modes.findByModulation(self.props["start_mod"])
if mode and mode.bandpass:
self.dsp.set_bpf(mode.bandpass.low_cut, mode.bandpass.high_cut)
else:
self.dsp.set_bpf(-4000, 4000)
if "start_freq" in self.props and "center_freq" in self.props:
self.dsp.set_offset_freq(self.props["start_freq"] -
self.props["center_freq"])
else:
self.dsp.set_offset_freq(0)
self.subscriptions = [
self.props.wireProperty("audio_compression",
self.dsp.set_audio_compression),
self.props.wireProperty("fft_compression",
self.dsp.set_fft_compression),
self.props.wireProperty("digimodes_fft_size",
self.dsp.set_secondary_fft_size),
self.props.wireProperty("samp_rate", self.dsp.set_samp_rate),
self.props.wireProperty("output_rate", self.dsp.set_output_rate),
self.props.wireProperty("hd_output_rate",
self.dsp.set_hd_output_rate),
self.props.wireProperty("offset_freq", self.dsp.set_offset_freq),
self.props.wireProperty("center_freq", self.dsp.set_center_freq),
self.props.wireProperty("squelch_level",
self.dsp.set_squelch_level),
self.props.wireProperty("low_cut", set_low_cut),
self.props.wireProperty("high_cut", set_high_cut),
self.props.wireProperty("mod", self.dsp.set_demodulator),
self.props.wireProperty("digital_voice_unvoiced_quality",
self.dsp.set_unvoiced_quality),
self.props.wireProperty("dmr_filter", self.dsp.set_dmr_filter),
self.props.wireProperty("temporary_directory",
self.dsp.set_temporary_directory),
self.props.wireProperty("wfm_deemphasis_tau",
self.dsp.set_wfm_deemphasis_tau),
self.props.filter("center_freq",
"offset_freq").wire(set_dial_freq),
]
self.dsp.csdr_dynamic_bufsize = self.props["csdr_dynamic_bufsize"]
self.dsp.csdr_print_bufsizes = self.props["csdr_print_bufsizes"]
self.dsp.csdr_through = self.props["csdr_through"]
if self.props["digimodes_enable"]:
def set_secondary_mod(mod):
if mod == False:
mod = None
self.dsp.set_secondary_demodulator(mod)
if mod is not None:
self.handler.write_secondary_dsp_config({
"secondary_fft_size":
self.props["digimodes_fft_size"],
"if_samp_rate":
self.dsp.if_samp_rate(),
"secondary_bw":
self.dsp.secondary_bw(),
})
self.subscriptions += [
self.props.wireProperty("secondary_mod", set_secondary_mod),
self.props.wireProperty("secondary_offset_freq",
self.dsp.set_secondary_offset_freq),
]
self.startOnAvailable = False
self.sdrSource.addClient(self)
super().__init__()
def __init__(self, handler, sdrSource):
self.handler = handler
self.sdrSource = sdrSource
self.props = PropertyStack()
# current audio mode. should be "audio" or "hd_audio" depending on what demodulatur is in use.
self.audioOutput = None
# local demodulator properties not forwarded to the sdr
# ensure strict validation since these can be set from the client
# and are used to build executable commands
validators = {
"output_rate": "int",
"hd_output_rate": "int",
"squelch_level": "num",
"secondary_mod": ModulationValidator(),
"low_cut": "num",
"high_cut": "num",
"offset_freq": "int",
"mod": ModulationValidator(),
"secondary_offset_freq": "int",
"dmr_filter": "int",
}
self.localProps = PropertyValidator(
PropertyLayer().filter(*validators.keys()), validators)
self.props.addLayer(0, self.localProps)
# properties that we inherit from the sdr
self.props.addLayer(
1,
self.sdrSource.getProps().filter(
"audio_compression",
"fft_compression",
"digimodes_fft_size",
"samp_rate",
"center_freq",
"start_mod",
"start_freq",
"wfm_deemphasis_tau",
"digital_voice_codecserver",
),
)
# defaults for values that may not be set
self.props.addLayer(
2,
PropertyLayer(
output_rate=12000,
hd_output_rate=48000,
digital_voice_codecserver="",
).readonly())
self.chain = ClientDemodulatorChain(self._getDemodulator("nfm"),
self.props["samp_rate"],
self.props["output_rate"],
self.props["hd_output_rate"],
self.props["audio_compression"],
self)
self.readers = {}
if "start_mod" in self.props:
mode = Modes.findByModulation(self.props["start_mod"])
if mode:
self.setDemodulator(mode.get_modulation())
if isinstance(mode, DigitalMode):
self.setSecondaryDemodulator(mode.modulation)
if mode.bandpass:
bpf = [mode.bandpass.low_cut, mode.bandpass.high_cut]
self.chain.setBandpass(*bpf)
else:
# TODO modes should be mandatory
self.setDemodulator(self.props["start_mod"])
if "start_freq" in self.props and "center_freq" in self.props:
self.chain.setFrequencyOffset(self.props["start_freq"] -
self.props["center_freq"])
else:
self.chain.setFrequencyOffset(0)
self.subscriptions = [
self.props.wireProperty("audio_compression",
self.setAudioCompression),
self.props.wireProperty("fft_compression",
self.chain.setSecondaryFftCompression),
self.props.wireProperty("fft_voverlap_factor",
self.chain.setSecondaryFftOverlapFactor),
self.props.wireProperty("fft_fps", self.chain.setSecondaryFftFps),
self.props.wireProperty("digimodes_fft_size",
self.setSecondaryFftSize),
self.props.wireProperty("samp_rate", self.chain.setSampleRate),
self.props.wireProperty("output_rate", self.chain.setOutputRate),
self.props.wireProperty("hd_output_rate",
self.chain.setHdOutputRate),
self.props.wireProperty("offset_freq",
self.chain.setFrequencyOffset),
self.props.wireProperty("center_freq",
self.chain.setCenterFrequency),
self.props.wireProperty("squelch_level",
self.chain.setSquelchLevel),
self.props.wireProperty("low_cut", self.chain.setLowCut),
self.props.wireProperty("high_cut", self.chain.setHighCut),
self.props.wireProperty("mod", self.setDemodulator),
self.props.wireProperty("dmr_filter", self.chain.setSlotFilter),
self.props.wireProperty("wfm_deemphasis_tau",
self.chain.setWfmDeemphasisTau),
self.props.wireProperty("secondary_mod",
self.setSecondaryDemodulator),
self.props.wireProperty("secondary_offset_freq",
self.chain.setSecondaryFrequencyOffset),
]
# wire power level output
buffer = Buffer(Format.FLOAT)
self.chain.setPowerWriter(buffer)
self.wireOutput("smeter", buffer)
# wire meta output
buffer = Buffer(Format.CHAR)
self.chain.setMetaWriter(buffer)
self.wireOutput("meta", buffer)
# wire secondary FFT
buffer = Buffer(self.chain.getSecondaryFftOutputFormat())
self.chain.setSecondaryFftWriter(buffer)
self.wireOutput("secondary_fft", buffer)
# wire secondary demodulator
buffer = Buffer(Format.CHAR)
self.chain.setSecondaryWriter(buffer)
self.wireOutput("secondary_demod", buffer)
self.startOnAvailable = False
self.sdrSource.addClient(self)