remove fm_radio.grc; format fm_radio.py with black

fm_radio.grc

@@ -1,524 +0,0 @@
-options:
-  parameters:
-    author: ''
-    catch_exceptions: 'True'
-    category: '[GRC Hier Blocks]'
-    cmake_opt: ''
-    comment: ''
-    copyright: ''
-    description: ''
-    gen_cmake: 'On'
-    gen_linking: dynamic
-    generate_options: no_gui
-    hier_block_src_path: '.:'
-    id: fm_radio
-    max_nouts: '0'
-    output_language: python
-    placement: (0,0)
-    qt_qss_theme: ''
-    realtime_scheduling: ''
-    run: 'True'
-    run_command: '{python} -u {filename}'
-    run_options: prompt
-    sizing_mode: fixed
-    thread_safe_setters: ''
-    title: FM Radio Receiver
-    window_size: ''
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [32, 34]
-    rotation: 0
-    state: enabled
-
-blocks:
-- name: audio_sample_rate_hertz
-  id: variable
-  parameters:
-    comment: ''
-    value: '48000'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1105, 404]
-    rotation: 0
-    state: true
-- name: channel_width_hertz
-  id: variable
-  parameters:
-    comment: ''
-    value: '250000'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [705, 156]
-    rotation: 0
-    state: true
-- name: samp_rate
-  id: variable
-  parameters:
-    comment: ''
-    value: '2560000'
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [33, 182]
-    rotation: 0
-    state: enabled
-- name: analog_wfm_rcv_0
-  id: analog_wfm_rcv
-  parameters:
-    affinity: ''
-    alias: ''
-    audio_decimation: '1'
-    comment: ''
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    quad_rate: channel_width_hertz
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1100, 261]
-    rotation: 0
-    state: enabled
-- name: audio_sink_0
-  id: audio_sink
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    device_name: ''
-    num_inputs: '1'
-    ok_to_block: 'True'
-    samp_rate: audio_sample_rate_hertz
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1156, 503]
-    rotation: 180
-    state: enabled
-- name: low_pass_filter_0
-  id: low_pass_filter
-  parameters:
-    affinity: ''
-    alias: ''
-    beta: '6.76'
-    comment: https://de.wikipedia.org/wiki/Datei:UKW-Rundfunk-Basisband.svg
-    cutoff_freq: '100000'
-    decim: int(samp_rate/channel_width_hertz)
-    gain: '2'
-    interp: '1'
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    samp_rate: samp_rate
-    type: fir_filter_ccf
-    width: '10000'
-    win: window.WIN_KAISER
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [669, 283]
-    rotation: 0
-    state: true
-- name: rational_resampler_xxx_0
-  id: rational_resampler_xxx
-  parameters:
-    affinity: ''
-    alias: ''
-    comment: ''
-    decim: channel_width_hertz
-    fbw: '0'
-    interp: audio_sample_rate_hertz
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    taps: ''
-    type: fff
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [1576, 292]
-    rotation: 0
-    state: true
-- name: rtlsdr_source_0
-  id: rtlsdr_source
-  parameters:
-    affinity: ''
-    alias: ''
-    ant0: ''
-    ant1: ''
-    ant10: ''
-    ant11: ''
-    ant12: ''
-    ant13: ''
-    ant14: ''
-    ant15: ''
-    ant16: ''
-    ant17: ''
-    ant18: ''
-    ant19: ''
-    ant2: ''
-    ant20: ''
-    ant21: ''
-    ant22: ''
-    ant23: ''
-    ant24: ''
-    ant25: ''
-    ant26: ''
-    ant27: ''
-    ant28: ''
-    ant29: ''
-    ant3: ''
-    ant30: ''
-    ant31: ''
-    ant4: ''
-    ant5: ''
-    ant6: ''
-    ant7: ''
-    ant8: ''
-    ant9: ''
-    args: '""'
-    bb_gain0: '20'
-    bb_gain1: '20'
-    bb_gain10: '20'
-    bb_gain11: '20'
-    bb_gain12: '20'
-    bb_gain13: '20'
-    bb_gain14: '20'
-    bb_gain15: '20'
-    bb_gain16: '20'
-    bb_gain17: '20'
-    bb_gain18: '20'
-    bb_gain19: '20'
-    bb_gain2: '20'
-    bb_gain20: '20'
-    bb_gain21: '20'
-    bb_gain22: '20'
-    bb_gain23: '20'
-    bb_gain24: '20'
-    bb_gain25: '20'
-    bb_gain26: '20'
-    bb_gain27: '20'
-    bb_gain28: '20'
-    bb_gain29: '20'
-    bb_gain3: '20'
-    bb_gain30: '20'
-    bb_gain31: '20'
-    bb_gain4: '20'
-    bb_gain5: '20'
-    bb_gain6: '20'
-    bb_gain7: '20'
-    bb_gain8: '20'
-    bb_gain9: '20'
-    bw0: '0'
-    bw1: '0'
-    bw10: '0'
-    bw11: '0'
-    bw12: '0'
-    bw13: '0'
-    bw14: '0'
-    bw15: '0'
-    bw16: '0'
-    bw17: '0'
-    bw18: '0'
-    bw19: '0'
-    bw2: '0'
-    bw20: '0'
-    bw21: '0'
-    bw22: '0'
-    bw23: '0'
-    bw24: '0'
-    bw25: '0'
-    bw26: '0'
-    bw27: '0'
-    bw28: '0'
-    bw29: '0'
-    bw3: '0'
-    bw30: '0'
-    bw31: '0'
-    bw4: '0'
-    bw5: '0'
-    bw6: '0'
-    bw7: '0'
-    bw8: '0'
-    bw9: '0'
-    clock_source0: ''
-    clock_source1: ''
-    clock_source2: ''
-    clock_source3: ''
-    clock_source4: ''
-    clock_source5: ''
-    clock_source6: ''
-    clock_source7: ''
-    comment: '> What is the RTL-SDRs sample rate?
-
-      > The maximum sample rate is 3.2 MS/s (mega samples per second).
-
-      > However, the RTL-SDR is unstable at this rate and may drop samples.
-
-      > The maximum sample rate that does not drop samples is 2.56 MS/s, [...]
-
-      https://www.rtl-sdr.com/about-rtl-sdr/'
-    corr0: '0'
-    corr1: '0'
-    corr10: '0'
-    corr11: '0'
-    corr12: '0'
-    corr13: '0'
-    corr14: '0'
-    corr15: '0'
-    corr16: '0'
-    corr17: '0'
-    corr18: '0'
-    corr19: '0'
-    corr2: '0'
-    corr20: '0'
-    corr21: '0'
-    corr22: '0'
-    corr23: '0'
-    corr24: '0'
-    corr25: '0'
-    corr26: '0'
-    corr27: '0'
-    corr28: '0'
-    corr29: '0'
-    corr3: '0'
-    corr30: '0'
-    corr31: '0'
-    corr4: '0'
-    corr5: '0'
-    corr6: '0'
-    corr7: '0'
-    corr8: '0'
-    corr9: '0'
-    dc_offset_mode0: '0'
-    dc_offset_mode1: '0'
-    dc_offset_mode10: '0'
-    dc_offset_mode11: '0'
-    dc_offset_mode12: '0'
-    dc_offset_mode13: '0'
-    dc_offset_mode14: '0'
-    dc_offset_mode15: '0'
-    dc_offset_mode16: '0'
-    dc_offset_mode17: '0'
-    dc_offset_mode18: '0'
-    dc_offset_mode19: '0'
-    dc_offset_mode2: '0'
-    dc_offset_mode20: '0'
-    dc_offset_mode21: '0'
-    dc_offset_mode22: '0'
-    dc_offset_mode23: '0'
-    dc_offset_mode24: '0'
-    dc_offset_mode25: '0'
-    dc_offset_mode26: '0'
-    dc_offset_mode27: '0'
-    dc_offset_mode28: '0'
-    dc_offset_mode29: '0'
-    dc_offset_mode3: '0'
-    dc_offset_mode30: '0'
-    dc_offset_mode31: '0'
-    dc_offset_mode4: '0'
-    dc_offset_mode5: '0'
-    dc_offset_mode6: '0'
-    dc_offset_mode7: '0'
-    dc_offset_mode8: '0'
-    dc_offset_mode9: '0'
-    freq0: 98.3*1e6
-    freq1: 100e6
-    freq10: 100e6
-    freq11: 100e6
-    freq12: 100e6
-    freq13: 100e6
-    freq14: 100e6
-    freq15: 100e6
-    freq16: 100e6
-    freq17: 100e6
-    freq18: 100e6
-    freq19: 100e6
-    freq2: 100e6
-    freq20: 100e6
-    freq21: 100e6
-    freq22: 100e6
-    freq23: 100e6
-    freq24: 100e6
-    freq25: 100e6
-    freq26: 100e6
-    freq27: 100e6
-    freq28: 100e6
-    freq29: 100e6
-    freq3: 100e6
-    freq30: 100e6
-    freq31: 100e6
-    freq4: 100e6
-    freq5: 100e6
-    freq6: 100e6
-    freq7: 100e6
-    freq8: 100e6
-    freq9: 100e6
-    gain0: '20'
-    gain1: '10'
-    gain10: '10'
-    gain11: '10'
-    gain12: '10'
-    gain13: '10'
-    gain14: '10'
-    gain15: '10'
-    gain16: '10'
-    gain17: '10'
-    gain18: '10'
-    gain19: '10'
-    gain2: '10'
-    gain20: '10'
-    gain21: '10'
-    gain22: '10'
-    gain23: '10'
-    gain24: '10'
-    gain25: '10'
-    gain26: '10'
-    gain27: '10'
-    gain28: '10'
-    gain29: '10'
-    gain3: '10'
-    gain30: '10'
-    gain31: '10'
-    gain4: '10'
-    gain5: '10'
-    gain6: '10'
-    gain7: '10'
-    gain8: '10'
-    gain9: '10'
-    gain_mode0: 'False'
-    gain_mode1: 'False'
-    gain_mode10: 'False'
-    gain_mode11: 'False'
-    gain_mode12: 'False'
-    gain_mode13: 'False'
-    gain_mode14: 'False'
-    gain_mode15: 'False'
-    gain_mode16: 'False'
-    gain_mode17: 'False'
-    gain_mode18: 'False'
-    gain_mode19: 'False'
-    gain_mode2: 'False'
-    gain_mode20: 'False'
-    gain_mode21: 'False'
-    gain_mode22: 'False'
-    gain_mode23: 'False'
-    gain_mode24: 'False'
-    gain_mode25: 'False'
-    gain_mode26: 'False'
-    gain_mode27: 'False'
-    gain_mode28: 'False'
-    gain_mode29: 'False'
-    gain_mode3: 'False'
-    gain_mode30: 'False'
-    gain_mode31: 'False'
-    gain_mode4: 'False'
-    gain_mode5: 'False'
-    gain_mode6: 'False'
-    gain_mode7: 'False'
-    gain_mode8: 'False'
-    gain_mode9: 'False'
-    if_gain0: '20'
-    if_gain1: '20'
-    if_gain10: '20'
-    if_gain11: '20'
-    if_gain12: '20'
-    if_gain13: '20'
-    if_gain14: '20'
-    if_gain15: '20'
-    if_gain16: '20'
-    if_gain17: '20'
-    if_gain18: '20'
-    if_gain19: '20'
-    if_gain2: '20'
-    if_gain20: '20'
-    if_gain21: '20'
-    if_gain22: '20'
-    if_gain23: '20'
-    if_gain24: '20'
-    if_gain25: '20'
-    if_gain26: '20'
-    if_gain27: '20'
-    if_gain28: '20'
-    if_gain29: '20'
-    if_gain3: '20'
-    if_gain30: '20'
-    if_gain31: '20'
-    if_gain4: '20'
-    if_gain5: '20'
-    if_gain6: '20'
-    if_gain7: '20'
-    if_gain8: '20'
-    if_gain9: '20'
-    iq_balance_mode0: '0'
-    iq_balance_mode1: '0'
-    iq_balance_mode10: '0'
-    iq_balance_mode11: '0'
-    iq_balance_mode12: '0'
-    iq_balance_mode13: '0'
-    iq_balance_mode14: '0'
-    iq_balance_mode15: '0'
-    iq_balance_mode16: '0'
-    iq_balance_mode17: '0'
-    iq_balance_mode18: '0'
-    iq_balance_mode19: '0'
-    iq_balance_mode2: '0'
-    iq_balance_mode20: '0'
-    iq_balance_mode21: '0'
-    iq_balance_mode22: '0'
-    iq_balance_mode23: '0'
-    iq_balance_mode24: '0'
-    iq_balance_mode25: '0'
-    iq_balance_mode26: '0'
-    iq_balance_mode27: '0'
-    iq_balance_mode28: '0'
-    iq_balance_mode29: '0'
-    iq_balance_mode3: '0'
-    iq_balance_mode30: '0'
-    iq_balance_mode31: '0'
-    iq_balance_mode4: '0'
-    iq_balance_mode5: '0'
-    iq_balance_mode6: '0'
-    iq_balance_mode7: '0'
-    iq_balance_mode8: '0'
-    iq_balance_mode9: '0'
-    maxoutbuf: '0'
-    minoutbuf: '0'
-    nchan: '1'
-    num_mboards: '1'
-    sample_rate: samp_rate
-    sync: sync
-    time_source0: ''
-    time_source1: ''
-    time_source2: ''
-    time_source3: ''
-    time_source4: ''
-    time_source5: ''
-    time_source6: ''
-    time_source7: ''
-    type: fc32
-  states:
-    bus_sink: false
-    bus_source: false
-    bus_structure: null
-    coordinate: [31, 290]
-    rotation: 0
-    state: true
-
-connections:
-- [analog_wfm_rcv_0, '0', rational_resampler_xxx_0, '0']
-- [low_pass_filter_0, '0', analog_wfm_rcv_0, '0']
-- [rational_resampler_xxx_0, '0', audio_sink_0, '0']
-- [rtlsdr_source_0, '0', low_pass_filter_0, '0']
-
-metadata:
-  file_format: 1
-  grc_version: 3.10.5.1

fm_radio.py

@@ -23,10 +23,7 @@ import osmosdr
 import time
 
 
-
-
 class fm_radio(gr.top_block):
-
     def __init__(self):
         gr.top_block.__init__(self, "FM Radio Receiver", catch_exceptions=True)
 
@@ -41,12 +38,10 @@ class fm_radio(gr.top_block):
         # Blocks
         ##################################################
 
-        self.rtlsdr_source_0 = osmosdr.source(
-            args="numchan=" + str(1) + " " + ""
-        )
+        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)
-        self.rtlsdr_source_0.set_center_freq((98.3*1e6), 0)
+        self.rtlsdr_source_0.set_center_freq((98.3 * 1e6), 0)
         self.rtlsdr_source_0.set_freq_corr(0, 0)
         self.rtlsdr_source_0.set_dc_offset_mode(0, 0)
         self.rtlsdr_source_0.set_iq_balance_mode(0, 0)
@@ -54,29 +49,24 @@ class fm_radio(gr.top_block):
         self.rtlsdr_source_0.set_gain(20, 0)
         self.rtlsdr_source_0.set_if_gain(20, 0)
         self.rtlsdr_source_0.set_bb_gain(20, 0)
-        self.rtlsdr_source_0.set_antenna('', 0)
+        self.rtlsdr_source_0.set_antenna("", 0)
         self.rtlsdr_source_0.set_bandwidth(0, 0)
         self.rational_resampler_xxx_0 = filter.rational_resampler_fff(
-                interpolation=audio_sample_rate_hertz,
-                decimation=channel_width_hertz,
-                taps=[],
-                fractional_bw=0)
+            interpolation=audio_sample_rate_hertz,
+            decimation=channel_width_hertz,
+            taps=[],
+            fractional_bw=0,
+        )
         self.low_pass_filter_0 = filter.fir_filter_ccf(
-            (int(samp_rate/channel_width_hertz)),
-            firdes.low_pass(
-                2,
-                samp_rate,
-                100000,
-                10000,
-                window.WIN_KAISER,
-                6.76))
-        self.audio_sink_0 = audio.sink(audio_sample_rate_hertz, '', True)
+            (int(samp_rate / channel_width_hertz)),
+            firdes.low_pass(2, samp_rate, 100000, 10000, window.WIN_KAISER, 6.76),
+        )
+        self.audio_sink_0 = audio.sink(audio_sample_rate_hertz, "", True)
         self.analog_wfm_rcv_0 = analog.wfm_rcv(
-        	quad_rate=channel_width_hertz,
-        	audio_decimation=1,
+            quad_rate=channel_width_hertz,
+            audio_decimation=1,
         )
 
-
         ##################################################
         # Connections
         ##################################################
@@ -85,13 +75,14 @@ class fm_radio(gr.top_block):
         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.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):
@@ -107,8 +98,6 @@ class fm_radio(gr.top_block):
         self.audio_sample_rate_hertz = audio_sample_rate_hertz
 
 
-
-
 def main(top_block_cls=fm_radio, options=None):
     tb = top_block_cls()
 
@@ -124,12 +113,12 @@ def main(top_block_cls=fm_radio, options=None):
     tb.start()
 
     try:
-        input('Press Enter to quit: ')
+        input("Press Enter to quit: ")
     except EOFError:
         pass
     tb.stop()
     tb.wait()
 
 
-if __name__ == '__main__':
+if __name__ == "__main__":
     main()