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restore aprs functionality

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This commit is contained in:
Jakob Ketterl
2021-09-06 15:05:33 +02:00
parent 7c43c78c4b
commit b9f43654cd
18 changed files with 390 additions and 190 deletions
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14
csdr/chain/selector.py
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@@ -62,7 +62,7 @@ class Decimator(Chain):
class Selector(Chain):
def __init__(self, inputRate: int, outputRate: int, shiftRate: float):
def __init__(self, inputRate: int, outputRate: int, shiftRate: float, withSquelch: bool = True):
self.outputRate = outputRate
self.shift = Shift(shiftRate)
@@ -73,12 +73,14 @@ class Selector(Chain):
self.bandpassCutoffs = None
self.setBandpass(-4000, 4000)
self.readings_per_second = 4
# s-meter readings are available every 1024 samples
# the reporting interval is measured in those 1024-sample blocks
self.squelch = Squelch(5, int(outputRate / (self.readings_per_second * 1024)))
workers = [self.shift, self.decimation, self.bandpass]
workers = [self.shift, self.decimation, self.bandpass, self.squelch]
if withSquelch:
self.readings_per_second = 4
# s-meter readings are available every 1024 samples
# the reporting interval is measured in those 1024-sample blocks
self.squelch = Squelch(5, int(outputRate / (self.readings_per_second * 1024)))
workers += [self.squelch]
super().__init__(workers)