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openwebrxplus
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Now shifting CW carrier to 800Hz before processing it.

This commit is contained in:
Marat Fayzullin 2023-02-04 13:36:05 -05:00
parent 46c1256f86
commit f8a672355f
1 changed files with 6 additions and 3 deletions
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9
csdr/chain/digimodes.py
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@ -2,7 +2,7 @@ from csdr.chain.demodulator import ServiceDemodulator, SecondaryDemodulator, Dia
from owrx.audio.chopper import AudioChopper, AudioChopperParser
from owrx.aprs.kiss import KissDeframer
from owrx.aprs import Ax25Parser, AprsParser
from pycsdr.modules import Convert, FmDemod, Agc, TimingRecovery, DBPskDecoder, VaricodeDecoder, CwDecoder
from pycsdr.modules import Convert, FmDemod, Agc, TimingRecovery, DBPskDecoder, VaricodeDecoder, CwDecoder, Shift
from pycsdr.types import Format
from owrx.aprs.module import DirewolfModule
from digiham.modules import FskDemodulator, PocsagDecoder
@ -96,8 +96,9 @@ class CwDemodulator(SecondaryDemodulator, SecondarySelectorChain):
self.baudRate = baudRate
self.sampleRate = 12000
workers = [
Shift(800.0 / self.sampleRate),
Agc(Format.COMPLEX_FLOAT),
CwDecoder(self.sampleRate, 0, int(self.baudRate)),
CwDecoder(self.sampleRate, 800, int(self.baudRate)),
]
super().__init__(workers)
@ -108,5 +109,7 @@ class CwDemodulator(SecondaryDemodulator, SecondarySelectorChain):
if sampleRate == self.sampleRate:
return
self.sampleRate = sampleRate
self.replace(1, CwDecoder(sampleRate, 0, int(self.baudRate)))
self.replace(0, Shift(800.0 / sampleRate))
self.replace(2, CwDecoder(sampleRate, 800, int(self.baudRate)))