Adapt AMSAT DUV flowgraph to gr-soapy

apps/flowgraphs/satellites/satnogs_amsat_fox_duv_decoder.py

@@ -1,55 +1,51 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-##################################################
+
+#
+# SPDX-License-Identifier: GPL-3.0
+#
 # GNU Radio Python Flow Graph
 # Title: AMSAT FOX DUV Decoder
 # Author: Thanos Giolias (agiolias@csd.uoc.gr), Nikos Karamolegos (karamolegkos.n@gmail.com), Manolis Surligas (surligas@gmail.com)
 # Description: A DUV Decoder for the AMSAT FOX satellites
-# GNU Radio version: 3.7.13.5
+# GNU Radio version: 3.8.0.0
-##################################################
-
 
 from gnuradio import analog
-from gnuradio import blocks
-from gnuradio import digital
-from gnuradio import eng_notation
-from gnuradio import filter
-from gnuradio import gr
-from gnuradio.eng_option import eng_option
-from gnuradio.filter import firdes
-from gnuradio.filter import pfb
-from optparse import OptionParser
 import math
-import osmosdr
+from gnuradio import digital
+from gnuradio import filter
+from gnuradio.filter import firdes
+from gnuradio import gr
+import sys
+import signal
+from argparse import ArgumentParser
+from gnuradio.eng_arg import eng_float, intx
+from gnuradio import eng_notation
 import satnogs
-import time
+import soapy
-
 
 class satnogs_amsat_fox_duv_decoder(gr.top_block):
 
-    def __init__(self, antenna=satnogs.not_set_antenna, baudrate=9600.0, bb_gain=satnogs.not_set_rx_bb_gain, decoded_data_file_path='/tmp/.satnogs/data/data', dev_args=satnogs.not_set_dev_args, doppler_correction_per_sec=20, enable_iq_dump=0, file_path='test.ogg', if_gain=satnogs.not_set_rx_if_gain, iq_file_path='/tmp/iq.dat', lo_offset=100e3, ppm=0, rf_gain=satnogs.not_set_rx_rf_gain, rigctl_port=4532, rx_freq=100e6, rx_sdr_device='usrpb200', samp_rate_rx=satnogs.not_set_samp_rate_rx, udp_IP='127.0.0.1', udp_port=16887, waterfall_file_path='/tmp/waterfall.dat'):
+    def __init__(self, antenna='', bw=0.0, decoded_data_file_path='/tmp/.satnogs/data/data', dev_args='', doppler_correction_per_sec=20, enable_iq_dump=0, file_path='test.wav', gain=0.0, iq_file_path='/tmp/iq.dat', lo_offset=100e3, rigctl_port=4532, rx_freq=100e6, samp_rate_rx=0.0, soapy_rx_device='driver=invalid', udp_IP='127.0.0.1', udp_port=16887, waterfall_file_path='/tmp/waterfall.dat'):
         gr.top_block.__init__(self, "AMSAT FOX DUV Decoder")
 
         ##################################################
         # Parameters
         ##################################################
         self.antenna = antenna
-        self.baudrate = baudrate
+        self.bw = bw
-        self.bb_gain = bb_gain
         self.decoded_data_file_path = decoded_data_file_path
         self.dev_args = dev_args
         self.doppler_correction_per_sec = doppler_correction_per_sec
         self.enable_iq_dump = enable_iq_dump
         self.file_path = file_path
-        self.if_gain = if_gain
+        self.gain = gain
         self.iq_file_path = iq_file_path
         self.lo_offset = lo_offset
-        self.ppm = ppm
-        self.rf_gain = rf_gain
         self.rigctl_port = rigctl_port
         self.rx_freq = rx_freq
-        self.rx_sdr_device = rx_sdr_device
         self.samp_rate_rx = samp_rate_rx
+        self.soapy_rx_device = soapy_rx_device
         self.udp_IP = udp_IP
         self.udp_port = udp_port
         self.waterfall_file_path = waterfall_file_path
@@ -65,43 +61,146 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
         ##################################################
         # Blocks
         ##################################################
-        self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(audio_samp_rate, 0.0, 10, 1024, waterfall_file_path, 1)
+        self.soapy_source_0 = None
+        if "custom" == 'custom':
+            dev = soapy_rx_device
+        else:
+            dev = 'driver=' + "custom"
+        if "custom" == 'sdrplay':
+            f = 'if_mode=' + "Zero-IF" + ',' + 'agc_setpoint=' + str("-30") + ',' + 'biasT_ctrl=' + "True".lower() + ',' + 'rfnotch_ctrl=' + "False".lower() + ',' + 'dabnotch_ctrl=' + "False".lower() + ',' + str(dev_args)
+            f = f.replace('\"', '')
+            f = f.replace("\\'", '')
+            f = f.strip(',')
+            self.soapy_source_0 = soapy.source(1, dev, f, samp_rate_rx, "fc32")
+        else:
+            self.soapy_source_0 = soapy.source(1, dev, dev_args, samp_rate_rx, "fc32")
+
+        if 0 != 0:
+            self.soapy_source_0.set_master_clock_rate(0)
+
+        if len('') > 0:
+            self.soapy_source_0.set_clock_source('')
+
+        # Set up dc offsets
+        if "custom" != 'uhd':
+            if (self.soapy_source_0.hasDCOffset(0)):
+                self.soapy_source_0.set_dc_offset(0,0,False == 'True')
+
+            if (self.soapy_source_0.hasDCOffset(1)):
+                self.soapy_source_0.set_dc_offset(1,0,False == 'True')
+
+        # Setup IQ Balance
+        if "custom" != 'uhd':
+            if (self.soapy_source_0.hasIQBalance(0)):
+                self.soapy_source_0.set_iq_balance(0,0)
+
+            if (self.soapy_source_0.hasIQBalance(1)):
+                self.soapy_source_0.set_iq_balance(1,0)
+
+        # Setup Frequency correction
+        if (self.soapy_source_0.hasFrequencyCorrection(0)):
+            self.soapy_source_0.set_frequency_correction(0,0)
+
+        if (self.soapy_source_0.hasFrequencyCorrection(1)):
+            self.soapy_source_0.set_frequency_correction(1,0)
+
+        self.soapy_source_0.set_gain_mode(0,False)
+        self.soapy_source_0.set_gain_mode(1,False)
+
+        self.soapy_source_0.set_frequency(0, rx_freq - lo_offset)
+        self.soapy_source_0.set_frequency(1, 0)
+
+        # Made antenna sanity check more generic
+        antList = self.soapy_source_0.listAntennas(0)
+
+        if len(antList) > 1:
+            # If we have more than 1 possible antenna
+            if len(antenna) == 0 or antenna not in antList:
+                print("ERROR: Please define ant0 to an allowed antenna name.")
+                strAntList = str(antList).lstrip('(').rstrip(')').rstrip(',')
+                print("Allowed antennas: " + strAntList)
+                exit(0)
+
+            self.soapy_source_0.set_antenna(0,antenna)
+
+        if 1 > 1:
+            antList = self.soapy_source_0.listAntennas(1)
+            # If we have more than 1 possible antenna
+            if len(antList) > 1:
+                if len('RX2') == 0 or 'RX2' not in antList:
+                    print("ERROR: Please define ant1 to an allowed antenna name.")
+                    strAntList = str(antList).lstrip('(').rstrip(')').rstrip(',')
+                    print("Allowed antennas: " + strAntList)
+                    exit(0)
+
+                self.soapy_source_0.set_antenna(1,'RX2')
+
+        self.soapy_source_0.set_overall_gain(0,gain, False  )
+        self.soapy_source_0.set_overall_gain(1,10, True  )
+
+        # Prevent some weird double-gain setting issues for systems with an overall_gain setting
+        # noticed weird behavior with uhd
+        if "custom" == 'uhd' or "custom" == 'sidekiq' or "custom" == 'bladerf' or "custom" == 'lime':
+            self.soapy_source_0.set_gain(0,"PGA", 24, False  )
+            self.soapy_source_0.set_gain(1,"PGA", 24, True  )
+        else:
+            if "custom" == 'custom':
+                # If we're here and we're custom, let's still call overall gain
+                self.soapy_source_0.set_overall_gain(0,gain, False  )
+                self.soapy_source_0.set_overall_gain(1,10, True  )
+
+            self.soapy_source_0.set_gain(0,"LNA", 10, False  )
+            self.soapy_source_0.set_gain(1,"LNA", 10, True  )
+            self.soapy_source_0.set_gain(0,"TIA", 0, False  )
+            self.soapy_source_0.set_gain(1,"TIA", 0, True  )
+            self.soapy_source_0.set_gain(0,"MIX", 10, False  )
+            self.soapy_source_0.set_gain(1,"MIX", 10, True  )
+            self.soapy_source_0.set_gain(0,"VGA", 10, False  )
+            self.soapy_source_0.set_gain(1,"VGA", 10, True  )
+            # Only rtl-sdr uses TUNER, so just ch0
+            self.soapy_source_0.set_gain(0,"TUNER", 10, False  )
+            # Only hackrf uses "AMP", so just ch0
+            self.soapy_source_0.set_gain(0,"AMP", 0, False  )
+            # Only sdrplay uses IFGR so just ch0 for each
+            self.soapy_source_0.set_gain(0,"IFGR", 59, False  )
+            self.soapy_source_0.set_gain(0,"RFGR", 9, False  )
+        self.satnogs_waterfall_sink_0 = satnogs.waterfall_sink(audio_samp_rate, rx_freq, 10, 1024, waterfall_file_path, 1)
         self.satnogs_udp_msg_sink_0_0 = satnogs.udp_msg_sink(udp_IP, udp_port, 1500)
         self.satnogs_tcp_rigctl_msg_source_0 = satnogs.tcp_rigctl_msg_source("127.0.0.1", rigctl_port, False, int(1000.0/doppler_correction_per_sec) + 1, 1500)
         self.satnogs_ogg_encoder_0 = satnogs.ogg_encoder(file_path, audio_samp_rate, 1.0)
-        self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False, enable_iq_dump)
+        self.satnogs_iq_sink_0 = satnogs.iq_sink(16768, iq_file_path, False, 1)
         self.satnogs_frame_file_sink_0_1_0 = satnogs.frame_file_sink(decoded_data_file_path, 0)
-        self.satnogs_frame_decoder_0 = satnogs.frame_decoder(variable_amsat_duv_decoder_0, gr.sizeof_char)
+        self.satnogs_frame_decoder_0 = satnogs.frame_decoder(variable_amsat_duv_decoder_0, 1 * 1)
-        self.satnogs_coarse_doppler_correction_cc_0 = satnogs.coarse_doppler_correction_cc(rx_freq, satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
+        self.satnogs_doppler_compensation_0 = satnogs.doppler_compensation(samp_rate_rx, rx_freq, lo_offset, audio_samp_rate, 1)
-        self.root_raised_cosine_filter_0 = filter.fir_filter_fff(1, firdes.root_raised_cosine(
+        self.root_raised_cosine_filter_0 = filter.fir_filter_fff(
-        	1, 1, 2.4, 0.5, 512))
+            1,
-        self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
+            firdes.root_raised_cosine(
-        	  audio_samp_rate/satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx),
+                1,
-                  taps=None,
+                1,
-        	  flt_size=32)
+                2.4,
-        self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
+                0.5,
-
+                512))
-        self.osmosdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + satnogs.handle_rx_dev_args(rx_sdr_device, dev_args) )
+        self.low_pass_filter_1 = filter.fir_filter_fff(
-        self.osmosdr_source_0.set_sample_rate(satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx))
+            100,
-        self.osmosdr_source_0.set_center_freq(rx_freq - lo_offset, 0)
+            firdes.low_pass(
-        self.osmosdr_source_0.set_freq_corr(ppm, 0)
+                1,
-        self.osmosdr_source_0.set_dc_offset_mode(2, 0)
+                audio_samp_rate,
-        self.osmosdr_source_0.set_iq_balance_mode(0, 0)
+                195,
-        self.osmosdr_source_0.set_gain_mode(False, 0)
+                10,
-        self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(rx_sdr_device, rf_gain), 0)
+                firdes.WIN_HAMMING,
-        self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(rx_sdr_device, if_gain), 0)
+                6.76))
-        self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(rx_sdr_device, bb_gain), 0)
+        self.low_pass_filter_0 = filter.fir_filter_ccf(
-        self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(rx_sdr_device, antenna), 0)
+            1,
-        self.osmosdr_source_0.set_bandwidth(satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx), 0)
+            firdes.low_pass(
-
+                1,
-        self.low_pass_filter_1 = filter.fir_filter_fff(100, firdes.low_pass(
+                audio_samp_rate,
-        	1, audio_samp_rate, 195, 10, firdes.WIN_HAMMING, 6.76))
+                deviation+max_modulation_freq,
-        self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
+                3000,
-        	1, audio_samp_rate, deviation+max_modulation_freq, 3000, firdes.WIN_HAMMING, 6.76))
+                firdes.WIN_HAMMING,
+                6.76))
         self.digital_clock_recovery_mm_xx_0_0_0 = digital.clock_recovery_mm_ff((audio_samp_rate/100.0) / 200, 0.25*0.175*0.175, 0.5, 0.175, 0.005)
         self.digital_binary_slicer_fb_0_0 = digital.binary_slicer_fb()
         self.dc_blocker_xx_0 = filter.dc_blocker_ff(1024, True)
-        self.blocks_rotator_cc_0 = blocks.rotator_cc(-2.0 * math.pi * (lo_offset / satnogs.handle_samp_rate_rx(rx_sdr_device, samp_rate_rx)))
         self.analog_quadrature_demod_cf_0_0 = analog.quadrature_demod_cf(1.2)
         self.analog_quadrature_demod_cf_0 = analog.quadrature_demod_cf(1.0)
 
@@ -112,42 +211,34 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
         ##################################################
         self.msg_connect((self.satnogs_frame_decoder_0, 'out'), (self.satnogs_frame_file_sink_0_1_0, 'frame'))
         self.msg_connect((self.satnogs_frame_decoder_0, 'out'), (self.satnogs_udp_msg_sink_0_0, 'in'))
-        self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'), (self.satnogs_coarse_doppler_correction_cc_0, 'freq'))
+        self.msg_connect((self.satnogs_tcp_rigctl_msg_source_0, 'freq'), (self.satnogs_doppler_compensation_0, 'doppler'))
         self.connect((self.analog_quadrature_demod_cf_0, 0), (self.satnogs_ogg_encoder_0, 0))
         self.connect((self.analog_quadrature_demod_cf_0_0, 0), (self.low_pass_filter_1, 0))
-        self.connect((self.blocks_rotator_cc_0, 0), (self.satnogs_coarse_doppler_correction_cc_0, 0))
         self.connect((self.dc_blocker_xx_0, 0), (self.root_raised_cosine_filter_0, 0))
         self.connect((self.digital_binary_slicer_fb_0_0, 0), (self.satnogs_frame_decoder_0, 0))
         self.connect((self.digital_clock_recovery_mm_xx_0_0_0, 0), (self.digital_binary_slicer_fb_0_0, 0))
         self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0, 0))
         self.connect((self.low_pass_filter_0, 0), (self.analog_quadrature_demod_cf_0_0, 0))
         self.connect((self.low_pass_filter_1, 0), (self.dc_blocker_xx_0, 0))
-        self.connect((self.osmosdr_source_0, 0), (self.blocks_rotator_cc_0, 0))
-        self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.low_pass_filter_0, 0))
-        self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.satnogs_iq_sink_0, 0))
-        self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.satnogs_waterfall_sink_0, 0))
         self.connect((self.root_raised_cosine_filter_0, 0), (self.digital_clock_recovery_mm_xx_0_0_0, 0))
-        self.connect((self.satnogs_coarse_doppler_correction_cc_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
+        self.connect((self.satnogs_doppler_compensation_0, 0), (self.low_pass_filter_0, 0))
+        self.connect((self.satnogs_doppler_compensation_0, 0), (self.satnogs_iq_sink_0, 0))
+        self.connect((self.satnogs_doppler_compensation_0, 0), (self.satnogs_waterfall_sink_0, 0))
+        self.connect((self.soapy_source_0, 0), (self.satnogs_doppler_compensation_0, 0))
 
     def get_antenna(self):
         return self.antenna
 
     def set_antenna(self, antenna):
         self.antenna = antenna
-        self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(self.rx_sdr_device, self.antenna), 0)
+        self.soapy_source_0.set_antenna(0,self.antenna)
 
-    def get_baudrate(self):
+    def get_bw(self):
-        return self.baudrate
+        return self.bw
 
-    def set_baudrate(self, baudrate):
+    def set_bw(self, bw):
-        self.baudrate = baudrate
+        self.bw = bw
-
+        self.soapy_source_0.set_bandwidth(0,self.bw)
-    def get_bb_gain(self):
-        return self.bb_gain
-
-    def set_bb_gain(self, bb_gain):
-        self.bb_gain = bb_gain
-        self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(self.rx_sdr_device, self.bb_gain), 0)
 
     def get_decoded_data_file_path(self):
         return self.decoded_data_file_path
@@ -179,40 +270,26 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
     def set_file_path(self, file_path):
         self.file_path = file_path
 
-    def get_if_gain(self):
+    def get_gain(self):
-        return self.if_gain
+        return self.gain
 
-    def set_if_gain(self, if_gain):
+    def set_gain(self, gain):
-        self.if_gain = if_gain
+        self.gain = gain
-        self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(self.rx_sdr_device, self.if_gain), 0)
+        self.soapy_source_0.set_overall_gain(0,self.gain, False  )
 
     def get_iq_file_path(self):
         return self.iq_file_path
 
     def set_iq_file_path(self, iq_file_path):
         self.iq_file_path = iq_file_path
+        self.satnogs_iq_sink_0.open(self.iq_file_path)
 
     def get_lo_offset(self):
         return self.lo_offset
 
     def set_lo_offset(self, lo_offset):
         self.lo_offset = lo_offset
-        self.osmosdr_source_0.set_center_freq(self.rx_freq - self.lo_offset, 0)
+        self.soapy_source_0.set_frequency(0, self.rx_freq - self.lo_offset)
-        self.blocks_rotator_cc_0.set_phase_inc(-2.0 * math.pi * (self.lo_offset / satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx)))
-
-    def get_ppm(self):
-        return self.ppm
-
-    def set_ppm(self, ppm):
-        self.ppm = ppm
-        self.osmosdr_source_0.set_freq_corr(self.ppm, 0)
-
-    def get_rf_gain(self):
-        return self.rf_gain
-
-    def set_rf_gain(self, rf_gain):
-        self.rf_gain = rf_gain
-        self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(self.rx_sdr_device, self.rf_gain), 0)
 
     def get_rigctl_port(self):
         return self.rigctl_port
@@ -225,32 +302,19 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
 
     def set_rx_freq(self, rx_freq):
         self.rx_freq = rx_freq
-        self.satnogs_coarse_doppler_correction_cc_0.set_new_freq_locked(self.rx_freq)
+        self.soapy_source_0.set_frequency(0, self.rx_freq - self.lo_offset)
-        self.osmosdr_source_0.set_center_freq(self.rx_freq - self.lo_offset, 0)
-
-    def get_rx_sdr_device(self):
-        return self.rx_sdr_device
-
-    def set_rx_sdr_device(self, rx_sdr_device):
-        self.rx_sdr_device = rx_sdr_device
-        self.pfb_arb_resampler_xxx_0.set_rate(self.audio_samp_rate/satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
-        self.osmosdr_source_0.set_sample_rate(satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
-        self.osmosdr_source_0.set_gain(satnogs.handle_rx_rf_gain(self.rx_sdr_device, self.rf_gain), 0)
-        self.osmosdr_source_0.set_if_gain(satnogs.handle_rx_if_gain(self.rx_sdr_device, self.if_gain), 0)
-        self.osmosdr_source_0.set_bb_gain(satnogs.handle_rx_bb_gain(self.rx_sdr_device, self.bb_gain), 0)
-        self.osmosdr_source_0.set_antenna(satnogs.handle_rx_antenna(self.rx_sdr_device, self.antenna), 0)
-        self.osmosdr_source_0.set_bandwidth(satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx), 0)
-        self.blocks_rotator_cc_0.set_phase_inc(-2.0 * math.pi * (self.lo_offset / satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx)))
 
     def get_samp_rate_rx(self):
         return self.samp_rate_rx
 
     def set_samp_rate_rx(self, samp_rate_rx):
         self.samp_rate_rx = samp_rate_rx
-        self.pfb_arb_resampler_xxx_0.set_rate(self.audio_samp_rate/satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
+
-        self.osmosdr_source_0.set_sample_rate(satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
+    def get_soapy_rx_device(self):
-        self.osmosdr_source_0.set_bandwidth(satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx), 0)
+        return self.soapy_rx_device
-        self.blocks_rotator_cc_0.set_phase_inc(-2.0 * math.pi * (self.lo_offset / satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx)))
+
+    def set_soapy_rx_device(self, soapy_rx_device):
+        self.soapy_rx_device = soapy_rx_device
 
     def get_udp_IP(self):
         return self.udp_IP
@@ -295,83 +359,81 @@ class satnogs_amsat_fox_duv_decoder(gr.top_block):
 
     def set_audio_samp_rate(self, audio_samp_rate):
         self.audio_samp_rate = audio_samp_rate
-        self.pfb_arb_resampler_xxx_0.set_rate(self.audio_samp_rate/satnogs.handle_samp_rate_rx(self.rx_sdr_device, self.samp_rate_rx))
-        self.low_pass_filter_1.set_taps(firdes.low_pass(1, self.audio_samp_rate, 195, 10, firdes.WIN_HAMMING, 6.76))
-        self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.audio_samp_rate, self.deviation+self.max_modulation_freq, 3000, firdes.WIN_HAMMING, 6.76))
         self.digital_clock_recovery_mm_xx_0_0_0.set_omega((self.audio_samp_rate/100.0) / 200)
+        self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.audio_samp_rate, self.deviation+self.max_modulation_freq, 3000, firdes.WIN_HAMMING, 6.76))
+        self.low_pass_filter_1.set_taps(firdes.low_pass(1, self.audio_samp_rate, 195, 10, firdes.WIN_HAMMING, 6.76))
 
 
 def argument_parser():
     description = 'A DUV Decoder for the AMSAT FOX satellites'
-    parser = OptionParser(usage="%prog: [options]", option_class=eng_option, description=description)
+    parser = ArgumentParser(description=description)
-    parser.add_option(
+    parser.add_argument(
-        "", "--antenna", dest="antenna", type="string", default=satnogs.not_set_antenna,
+        "--antenna", dest="antenna", type=str, default='',
-        help="Set antenna [default=%default]")
+        help="Set antenna [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--baudrate", dest="baudrate", type="eng_float", default=eng_notation.num_to_str(9600.0),
+        "--bw", dest="bw", type=eng_float, default="0.0",
-        help="Set baudrate [default=%default]")
+        help="Set Bandwidth [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--bb-gain", dest="bb_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_bb_gain),
+        "--decoded-data-file-path", dest="decoded_data_file_path", type=str, default='/tmp/.satnogs/data/data',
-        help="Set bb_gain [default=%default]")
+        help="Set decoded_data_file_path [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--decoded-data-file-path", dest="decoded_data_file_path", type="string", default='/tmp/.satnogs/data/data',
+        "--dev-args", dest="dev_args", type=str, default='',
-        help="Set decoded_data_file_path [default=%default]")
+        help="Set Device arguments [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--dev-args", dest="dev_args", type="string", default=satnogs.not_set_dev_args,
+        "--doppler-correction-per-sec", dest="doppler_correction_per_sec", type=intx, default=20,
-        help="Set dev_args [default=%default]")
+        help="Set doppler_correction_per_sec [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--doppler-correction-per-sec", dest="doppler_correction_per_sec", type="intx", default=20,
+        "--enable-iq-dump", dest="enable_iq_dump", type=intx, default=0,
-        help="Set doppler_correction_per_sec [default=%default]")
+        help="Set enable_iq_dump [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--enable-iq-dump", dest="enable_iq_dump", type="intx", default=0,
+        "--file-path", dest="file_path", type=str, default='test.wav',
-        help="Set enable_iq_dump [default=%default]")
+        help="Set file_path [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--file-path", dest="file_path", type="string", default='test.ogg',
+        "--gain", dest="gain", type=eng_float, default="0.0",
-        help="Set file_path [default=%default]")
+        help="Set gain [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--if-gain", dest="if_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_if_gain),
+        "--iq-file-path", dest="iq_file_path", type=str, default='/tmp/iq.dat',
-        help="Set if_gain [default=%default]")
+        help="Set iq_file_path [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--iq-file-path", dest="iq_file_path", type="string", default='/tmp/iq.dat',
+        "--lo-offset", dest="lo_offset", type=eng_float, default="100.0k",
-        help="Set iq_file_path [default=%default]")
+        help="Set lo_offset [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--lo-offset", dest="lo_offset", type="eng_float", default=eng_notation.num_to_str(100e3),
+        "--rigctl-port", dest="rigctl_port", type=intx, default=4532,
-        help="Set lo_offset [default=%default]")
+        help="Set rigctl_port [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--ppm", dest="ppm", type="intx", default=0,
+        "--rx-freq", dest="rx_freq", type=eng_float, default="100.0M",
-        help="Set ppm [default=%default]")
+        help="Set rx_freq [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--rf-gain", dest="rf_gain", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_rx_rf_gain),
+        "--samp-rate-rx", dest="samp_rate_rx", type=eng_float, default="0.0",
-        help="Set rf_gain [default=%default]")
+        help="Set Device Sampling rate [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--rigctl-port", dest="rigctl_port", type="intx", default=4532,
+        "--soapy-rx-device", dest="soapy_rx_device", type=str, default='driver=invalid',
-        help="Set rigctl_port [default=%default]")
+        help="Set soapy_rx_device [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--rx-freq", dest="rx_freq", type="eng_float", default=eng_notation.num_to_str(100e6),
+        "--udp-IP", dest="udp_IP", type=str, default='127.0.0.1',
-        help="Set rx_freq [default=%default]")
+        help="Set udp_IP [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--rx-sdr-device", dest="rx_sdr_device", type="string", default='usrpb200',
+        "--udp-port", dest="udp_port", type=intx, default=16887,
-        help="Set rx_sdr_device [default=%default]")
+        help="Set udp_port [default=%(default)r]")
-    parser.add_option(
+    parser.add_argument(
-        "", "--samp-rate-rx", dest="samp_rate_rx", type="eng_float", default=eng_notation.num_to_str(satnogs.not_set_samp_rate_rx),
+        "--waterfall-file-path", dest="waterfall_file_path", type=str, default='/tmp/waterfall.dat',
-        help="Set samp_rate_rx [default=%default]")
+        help="Set waterfall_file_path [default=%(default)r]")
-    parser.add_option(
-        "", "--udp-IP", dest="udp_IP", type="string", default='127.0.0.1',
-        help="Set udp_IP [default=%default]")
-    parser.add_option(
-        "", "--udp-port", dest="udp_port", type="intx", default=16887,
-        help="Set udp_port [default=%default]")
-    parser.add_option(
-        "", "--waterfall-file-path", dest="waterfall_file_path", type="string", default='/tmp/waterfall.dat',
-        help="Set waterfall_file_path [default=%default]")
     return parser
 
 
 def main(top_block_cls=satnogs_amsat_fox_duv_decoder, options=None):
     if options is None:
-        options, _ = argument_parser().parse_args()
+        options = argument_parser().parse_args()
+    tb = top_block_cls(antenna=options.antenna, bw=options.bw, decoded_data_file_path=options.decoded_data_file_path, dev_args=options.dev_args, doppler_correction_per_sec=options.doppler_correction_per_sec, enable_iq_dump=options.enable_iq_dump, file_path=options.file_path, gain=options.gain, iq_file_path=options.iq_file_path, lo_offset=options.lo_offset, rigctl_port=options.rigctl_port, rx_freq=options.rx_freq, samp_rate_rx=options.samp_rate_rx, soapy_rx_device=options.soapy_rx_device, udp_IP=options.udp_IP, udp_port=options.udp_port, waterfall_file_path=options.waterfall_file_path)
+
+    def sig_handler(sig=None, frame=None):
+        tb.stop()
+        tb.wait()
+        sys.exit(0)
+
+    signal.signal(signal.SIGINT, sig_handler)
+    signal.signal(signal.SIGTERM, sig_handler)
 
-    tb = top_block_cls(antenna=options.antenna, baudrate=options.baudrate, bb_gain=options.bb_gain, decoded_data_file_path=options.decoded_data_file_path, dev_args=options.dev_args, doppler_correction_per_sec=options.doppler_correction_per_sec, enable_iq_dump=options.enable_iq_dump, file_path=options.file_path, if_gain=options.if_gain, iq_file_path=options.iq_file_path, lo_offset=options.lo_offset, ppm=options.ppm, rf_gain=options.rf_gain, rigctl_port=options.rigctl_port, rx_freq=options.rx_freq, rx_sdr_device=options.rx_sdr_device, samp_rate_rx=options.samp_rate_rx, udp_IP=options.udp_IP, udp_port=options.udp_port, waterfall_file_path=options.waterfall_file_path)
     tb.start()
     tb.wait()