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allow wfm deemphasis tau to be set from the outside

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This commit is contained in:
Jakob Ketterl 2020-10-04 21:46:58 +02:00
parent 815831b1ed
commit 1faa61ad50
1 changed files with 9 additions and 1 deletions
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10
csdr/csdr.py
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@ -100,6 +100,7 @@ class dsp(object):
self.csdr_through = False self.csdr_through = False
self.squelch_level = -150 self.squelch_level = -150
self.fft_averages = 50 self.fft_averages = 50
self.wfm_deemphasis_tau = 50e-6
self.iqtee = False self.iqtee = False
self.iqtee2 = False self.iqtee2 = False
self.secondary_demodulator = None self.secondary_demodulator = None
@ -198,7 +199,7 @@ class dsp(object):
] ]
chain += last_decimation_block chain += last_decimation_block
chain += [ chain += [
"csdr deemphasis_wfm_ff {audio_rate} 50e-6", "csdr deemphasis_wfm_ff {audio_rate} {wfm_deemphasis_tau}",
"csdr convert_f_s16" "csdr convert_f_s16"
] ]
elif self.isDigitalVoice(which): elif self.isDigitalVoice(which):
@ -685,6 +686,12 @@ class dsp(object):
if self.has_pipe("dmr_control_pipe"): if self.has_pipe("dmr_control_pipe"):
self.pipes["dmr_control_pipe"].write("{0}\n".format(filter)) self.pipes["dmr_control_pipe"].write("{0}\n".format(filter))
def set_wfm_deemphasis_tau(self, tau):
if self.wfm_deemphasis_tau == tau:
return
self.wfm_deemphasis_tau = tau
self.restart()
def ddc_transition_bw(self): def ddc_transition_bw(self):
return self.ddc_transition_bw_rate * (self.if_samp_rate() / float(self.samp_rate)) return self.ddc_transition_bw_rate * (self.if_samp_rate() / float(self.samp_rate))
@ -782,6 +789,7 @@ class dsp(object):
smeter_report_every=int(self.if_samp_rate() / 6000), smeter_report_every=int(self.if_samp_rate() / 6000),
unvoiced_quality=self.get_unvoiced_quality(), unvoiced_quality=self.get_unvoiced_quality(),
audio_rate=self.get_audio_rate(), audio_rate=self.get_audio_rate(),
wfm_deemphasis_tau=self.wfm_deemphasis_tau,
) )
logger.debug("Command = %s", command) logger.debug("Command = %s", command)