70 lines
1.3 KiB
Python
70 lines
1.3 KiB
Python
from csdr.chain import Chain
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from abc import ABC, ABCMeta, abstractmethod
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from pycsdr.modules import Writer
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class FixedAudioRateChain(ABC):
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@abstractmethod
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def getFixedAudioRate(self) -> int:
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pass
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class FixedIfSampleRateChain(ABC):
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@abstractmethod
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def getFixedIfSampleRate(self) -> int:
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pass
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class DialFrequencyReceiver(ABC):
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@abstractmethod
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def setDialFrequency(self, frequency: int) -> None:
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pass
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# marker interface
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class HdAudio:
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pass
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class MetaProvider(ABC):
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@abstractmethod
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def setMetaWriter(self, writer: Writer) -> None:
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pass
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class SlotFilterChain(ABC):
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@abstractmethod
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def setSlotFilter(self, filter: int) -> None:
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pass
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class SecondarySelectorChain(ABC):
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def getBandwidth(self) -> float:
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pass
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class DeemphasisTauChain(ABC):
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@abstractmethod
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def setDeemphasisTau(self, tau: float) -> None:
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pass
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class BaseDemodulatorChain(Chain):
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def supportsSquelch(self) -> bool:
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return True
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def setSampleRate(self, sampleRate: int) -> None:
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pass
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class SecondaryDemodulator(Chain):
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def supportsSquelch(self) -> bool:
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return True
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def setSampleRate(self, sampleRate: int) -> None:
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pass
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class ServiceDemodulator(SecondaryDemodulator, FixedAudioRateChain, metaclass=ABCMeta):
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pass
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