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use csdr++ fractionaldecimator

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This commit is contained in:
Jakob Ketterl 2021-07-05 12:42:35 +02:00
parent 4a68c9d3da
commit 44c1e00509
1 changed files with 6 additions and 6 deletions
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12
csdr/__init__.py
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@ -137,9 +137,9 @@ class Dsp(DirewolfConfigSubscriber):
last_decimation_block = []
if self.last_decimation >= 2.0:
# activate prefilter if signal has been oversampled, e.g. WFM
last_decimation_block = ["csdr fractional_decimator_ff {last_decimation} 12 --prefilter"]
last_decimation_block = ["csdr++ fractionaldecimator --format float {last_decimation} --prefilter"]
elif self.last_decimation != 1.0:
last_decimation_block = ["csdr fractional_decimator_ff {last_decimation}"]
last_decimation_block = ["csdr++ fractionaldecimator --format float {last_decimation}"]
if which == "nfm":
chain += ["csdr++ fmdemod", "csdr limit_ff"]
chain += last_decimation_block
@ -220,7 +220,7 @@ class Dsp(DirewolfConfigSubscriber):
elif self.isDrm(which):
if self.last_decimation != 1.0:
# we are still dealing with complex samples here, so the regular last_decimation_block doesn't fit
chain += ["csdr fractional_decimator_cc {last_decimation}"]
chain += ["csdr++ fractionaldecimator --format complex {last_decimation}"]
chain += [
"csdr++ convert -i float -o s16",
"dream -c 6 --sigsrate 48000 --audsrate 48000 -I - -O -",
@ -267,17 +267,17 @@ class Dsp(DirewolfConfigSubscriber):
elif self.isWsjtMode(which) or self.isJs8(which):
chain += ["csdr++ realpart"]
if self.last_decimation != 1.0:
chain += ["csdr fractional_decimator_ff {last_decimation}"]
chain += ["csdr++ fractionaldecimator --format float {last_decimation}"]
return chain + ["csdr++ agc --format float", "csdr++ convert -i float -o s16"]
elif which == "packet":
chain += ["csdr++ fmdemod"]
if self.last_decimation != 1.0:
chain += ["csdr fractional_decimator_ff {last_decimation}"]
chain += ["csdr++ fractionaldecimator --format float {last_decimation}"]
return chain + ["csdr++ convert -i float -o s16", "direwolf -c {direwolf_config} -r {audio_rate} -t 0 -q d -q h 1>&2"]
elif which == "pocsag":
chain += ["csdr++ fmdemod"]
if self.last_decimation != 1.0:
chain += ["csdr fractional_decimator_ff {last_decimation}"]
chain += ["csdr++ fractionaldecimator --format float {last_decimation}"]
return chain + ["fsk_demodulator -i", "pocsag_decoder"]
def set_secondary_demodulator(self, what):