61 lines
1.8 KiB
Python
61 lines
1.8 KiB
Python
from pycsdr.types import Format
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from csdr.module import PopenModule, ThreadModule
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from owrx.wsjt import WsjtParser, Msk144Profile
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import pickle
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import logging
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logger = logging.getLogger(__name__)
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class Msk144Module(PopenModule):
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def getCommand(self):
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return ["msk144decoder"]
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def getInputFormat(self) -> Format:
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return Format.SHORT
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def getOutputFormat(self) -> Format:
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return Format.CHAR
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class ParserAdapter(ThreadModule):
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def __init__(self):
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self.retained = bytes()
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self.parser = WsjtParser()
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self.dialFrequency = 0
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super().__init__()
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def run(self):
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profile = Msk144Profile()
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while self.doRun:
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data = self.reader.read()
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if data is None:
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self.doRun = False
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else:
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logger.debug('raw data: ' + str(bytes(data)))
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self.retained += data
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lines = self.retained.split(b"\n")
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# keep the last line
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# this should either be empty if the last char was \n
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# or an incomplete line if the read returned early
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self.retained = lines[-1]
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# parse all completed lines
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for line in lines[0:-1]:
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# actual messages from msk144decoder should start with "*** "
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if line[0:4] == b"*** ":
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self.writer.write(pickle.dumps(self.parser.parse(profile, self.dialFrequency, line[4:])))
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else:
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logger.debug("ignoring static: %s", line.decode())
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def getInputFormat(self) -> Format:
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return Format.CHAR
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def getOutputFormat(self) -> Format:
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return Format.CHAR
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def setDialFrequency(self, frequency: int) -> None:
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self.dialFrequency = frequency
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