refactor fm_radio.py: remove unused methods

fm_radio.py

@@ -1,12 +1,10 @@
 #!/usr/bin/env python3
 # -*- coding: utf-8 -*-
-
 #
 # SPDX-License-Identifier: GPL-3.0
 #
 # GNU Radio Python Flow Graph
 # Title: FM Radio Receiver
-# GNU Radio version: 3.10.5.1
 
 from gnuradio import analog
 from gnuradio import audio
@@ -27,17 +25,12 @@ class fm_radio(gr.top_block):
     def __init__(self):
         gr.top_block.__init__(self, "FM Radio Receiver", catch_exceptions=True)
 
-        ##################################################
         # Variables
-        ##################################################
         self.samp_rate = samp_rate = 2560000
         self.channel_width_hertz = channel_width_hertz = 250000
         self.audio_sample_rate_hertz = audio_sample_rate_hertz = 48000
 
-        ##################################################
         # Blocks
-        ##################################################
-
         self.rtlsdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " + "")
         self.rtlsdr_source_0.set_time_unknown_pps(osmosdr.time_spec_t())
         self.rtlsdr_source_0.set_sample_rate(samp_rate)
@@ -67,36 +60,12 @@ class fm_radio(gr.top_block):
             audio_decimation=1,
         )
 
-        ##################################################
         # Connections
-        ##################################################
         self.connect((self.analog_wfm_rcv_0, 0), (self.rational_resampler_xxx_0, 0))
         self.connect((self.low_pass_filter_0, 0), (self.analog_wfm_rcv_0, 0))
         self.connect((self.rational_resampler_xxx_0, 0), (self.audio_sink_0, 0))
         self.connect((self.rtlsdr_source_0, 0), (self.low_pass_filter_0, 0))
 
-    def get_samp_rate(self):
-        return self.samp_rate
-
-    def set_samp_rate(self, samp_rate):
-        self.samp_rate = samp_rate
-        self.low_pass_filter_0.set_taps(
-            firdes.low_pass(2, self.samp_rate, 100000, 10000, window.WIN_KAISER, 6.76)
-        )
-        self.rtlsdr_source_0.set_sample_rate(self.samp_rate)
-
-    def get_channel_width_hertz(self):
-        return self.channel_width_hertz
-
-    def set_channel_width_hertz(self, channel_width_hertz):
-        self.channel_width_hertz = channel_width_hertz
-
-    def get_audio_sample_rate_hertz(self):
-        return self.audio_sample_rate_hertz
-
-    def set_audio_sample_rate_hertz(self, audio_sample_rate_hertz):
-        self.audio_sample_rate_hertz = audio_sample_rate_hertz
-
 
 def main(top_block_cls=fm_radio, options=None):
     tb = top_block_cls()