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restore PSK decoding

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This commit is contained in:
Jakob Ketterl
2021-09-23 18:43:41 +02:00
parent 3fa3aac766
commit cbcba5807f
6 changed files with 145 additions and 51 deletions
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11
owrx/service/__init__.py
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@@ -8,8 +8,8 @@ from owrx.property import PropertyLayer, PropertyDeleted
from owrx.service.schedule import ServiceScheduler
from owrx.service.chain import ServiceDemodulatorChain
from owrx.modes import Modes, DigitalMode
from typing import Union
from csdr.chain.demodulator import BaseDemodulatorChain, SecondaryDemodulator, DialFrequencyReceiver
from typing import Union, Optional
from csdr.chain.demodulator import BaseDemodulatorChain, ServiceDemodulator, DialFrequencyReceiver
from pycsdr.modules import Buffer
import logging
@@ -250,12 +250,11 @@ class ServiceHandler(SdrSourceEventClient):
secondaryDemod = self._getSecondaryDemodulator(modeObject.modulation)
center_freq = source.getProps()["center_freq"]
sampleRate = source.getProps()["samp_rate"]
shift = (center_freq - frequency) / sampleRate
bandpass = modeObject.get_bandpass()
if isinstance(secondaryDemod, DialFrequencyReceiver):
secondaryDemod.setDialFrequency(frequency)
chain = ServiceDemodulatorChain(demod, secondaryDemod, sampleRate, shift)
chain = ServiceDemodulatorChain(demod, secondaryDemod, sampleRate, frequency - center_freq)
chain.setBandPass(bandpass.low_cut, bandpass.high_cut)
chain.setReader(source.getBuffer().getReader())
@@ -277,8 +276,8 @@ class ServiceHandler(SdrSourceEventClient):
return Ssb()
# TODO move this elsewhere
def _getSecondaryDemodulator(self, mod):
if isinstance(mod, SecondaryDemodulator):
def _getSecondaryDemodulator(self, mod) -> Optional[ServiceDemodulator]:
if isinstance(mod, ServiceDemodulatorChain):
return mod
# TODO add remaining modes
if mod in ["ft8", "wspr", "jt65", "jt9", "ft4", "fst4", "fst4w", "q65"]: