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use am and fm demodulator

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This commit is contained in:
Jakob Ketterl 2021-06-29 11:52:17 +02:00
parent 566b747928
commit d431e37d7b
1 changed files with 6 additions and 6 deletions
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12
csdr/__init__.py
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@ -141,7 +141,7 @@ class Dsp(DirewolfConfigSubscriber):
elif self.last_decimation != 1.0:
last_decimation_block = ["csdr fractional_decimator_ff {last_decimation}"]
if which == "nfm":
chain += ["csdr fmdemod_quadri_cf", "csdr limit_ff"]
chain += ["csdr++ fmdemod", "csdr limit_ff"]
chain += last_decimation_block
chain += [
"csdr deemphasis_nfm_ff {audio_rate}",
@ -155,13 +155,13 @@ class Dsp(DirewolfConfigSubscriber):
chain += ["csdr convert_f_s16"]
elif which == "wfm":
chain += [
"csdr fmdemod_quadri_cf",
"csdr++ fmdemod",
"csdr limit_ff",
]
chain += last_decimation_block
chain += ["csdr deemphasis_wfm_ff {audio_rate} {wfm_deemphasis_tau}", "csdr convert_f_s16"]
elif self.isDigitalVoice(which):
chain += ["csdr fmdemod_quadri_cf"]
chain += ["csdr++ fmdemod"]
chain += last_decimation_block
chain += ["dc_block"]
# m17
@ -201,7 +201,7 @@ class Dsp(DirewolfConfigSubscriber):
"sox --buffer 320 -t raw -r 8000 -e signed-integer -b 16 -c 1 - -t raw -r {output_rate} -e signed-integer -b 16 -c 1 - ",
]
elif which == "am":
chain += ["csdr amdemod_cf", "csdr fastdcblock_ff"]
chain += ["csdr++ amdemod", "csdr fastdcblock_ff"]
chain += last_decimation_block
chain += [
"csdr++ agc --format float --profile slow --initial 200",
@ -270,12 +270,12 @@ class Dsp(DirewolfConfigSubscriber):
chain += ["csdr fractional_decimator_ff {last_decimation}"]
return chain + ["csdr++ agc --format float", "csdr convert_f_s16"]
elif which == "packet":
chain += ["csdr fmdemod_quadri_cf"]
chain += ["csdr++ fmdemod"]
if self.last_decimation != 1.0:
chain += ["csdr fractional_decimator_ff {last_decimation}"]
return chain + ["csdr convert_f_s16", "direwolf -c {direwolf_config} -r {audio_rate} -t 0 -q d -q h 1>&2"]
elif which == "pocsag":
chain += ["csdr fmdemod_quadri_cf"]
chain += ["csdr++ fmdemod"]
if self.last_decimation != 1.0:
chain += ["csdr fractional_decimator_ff {last_decimation}"]
return chain + ["fsk_demodulator -i", "pocsag_decoder"]