def __init__(self, talkgroup, options):
gr.hier_block2.__init__(self, "fsk_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(0, 0, gr.sizeof_char)) # Output signature
#print "Starting log_receiver init()"
self.samp_rate = samp_rate = int(options.rate)
self.samp_per_sym = samp_per_sym = 5+1
self.decim = decim = 20
self.xlate_bandwidth = xlate_bandwidth = 24260.0
self.xlate_offset = xlate_offset = 0
self.channel_rate = channel_rate = op25.SYMBOL_RATE*samp_per_sym
self.audio_mul = audio_mul = 2
self.pre_channel_rate = pre_channel_rate = int(samp_rate/decim)
self.auto_tune_offset = auto_tune_offset = 0
self.audiorate = 44100 #options.audiorate
self.rate = options.rate
self.talkgroup = talkgroup
self.directory = options.directory
if options.squelch is None:
options.squelch = 28
if options.volume is None:
options.volume = 3.0
##################################################
# Message Queues
##################################################
op25_fsk4_0_msgq_out = baz_message_callback_0_msgq_in = gr.msg_queue(2)
op25_decoder_simple_0_msgq_out = op25_traffic_pane_0_msgq_in = gr.msg_queue(2)
##################################################
# Blocks
##################################################
self.op25_fsk4_0 = op25.op25_fsk4(channel_rate=channel_rate, auto_tune_msgq=op25_fsk4_0_msgq_out,)
self.op25_decoder_simple_0 = op25.op25_decoder_simple(key="",traffic_msgq=op25_decoder_simple_0_msgq_out,)
self.gr_quadrature_demod_cf_0 = gr.quadrature_demod_cf((channel_rate/(2.0 * math.pi * op25.SYMBOL_DEVIATION)))
self.gr_freq_xlating_fir_filter_xxx_0 = gr.freq_xlating_fir_filter_ccc(decim,
(firdes.low_pass(1, samp_rate, xlate_bandwidth/2, 4000)),
0,
samp_rate)
self.gr_fir_filter_xxx_0 = gr.fir_filter_fff(1, ((1.0/samp_per_sym,)*samp_per_sym))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((10.**(audio_mul/10.), ))
self.blks2_rational_resampler_xxx_1 = blks2.rational_resampler_ccc(
interpolation=channel_rate,
decimation=pre_channel_rate,
taps=None,
fractional_bw=None,
)
self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_fff(
interpolation=self.audiorate,
decimation=8000,
taps=None,
fractional_bw=None,
)
self.baz_message_callback_0 = message_callback.message_callback(msgq=baz_message_callback_0_msgq_in, callback=auto_tune_offset , msg_part="arg1", custom_parts="", dummy=False)
#here we generate a random filename in the form /tmp/[random].wav, and then use it for the wavstamp block. this avoids collisions later on. remember to clean up these files when deallocating.
self.tmpfilename = "/tmp/%s.wav" % ("".join([random.choice(string.letters+string.digits) for x in range(8)])) #if this looks glaringly different, it's because i totally cribbed it from a blog.
self.valve = grc_blks2.valve(gr.sizeof_float, bool(1))
#open the logfile for appending
self.timestampfilename = "%s/%i.txt" % (self.directory, self.talkgroup)
self.timestampfile = open(self.timestampfilename, 'a');
self.filename = "%s/%i.wav" % (self.directory, self.talkgroup)
self.audiosink = smartnet.wavsink(self.filename, 1, self.audiorate, 8) #this version allows appending to existing files.
self.audio_sink_0 = audio.sink(44100, "", True)
self.timestamp = 0.0
#print "Finishing logging receiver init()."
self.mute() #start off muted.
##################################################
# Connections
##################################################
self.connect((self.gr_freq_xlating_fir_filter_xxx_0, 0), (self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.gr_quadrature_demod_cf_0, 0))
self.connect((self.gr_quadrature_demod_cf_0, 0), (self.gr_fir_filter_xxx_0, 0))
self.connect((self.blks2_rational_resampler_xxx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.gr_fir_filter_xxx_0, 0), (self.op25_fsk4_0, 0))
self.connect((self.op25_fsk4_0, 0), (self.op25_decoder_simple_0, 0))
self.connect((self.op25_decoder_simple_0, 0), (self.blks2_rational_resampler_xxx_0, 0))
## Start
self.connect(self, (self.gr_freq_xlating_fir_filter_xxx_0, 0))
## End
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0,0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Op25 Grc")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self._config_freq_config = ConfigParser.ConfigParser()
self._config_freq_config.read(".grc_op25")
try:
config_freq = self._config_freq_config.getfloat("main", "freq")
except:
config_freq = 489075000
self.config_freq = config_freq
self.freq = freq = config_freq
self._config_xlate_offset_config = ConfigParser.ConfigParser()
self._config_xlate_offset_config.read(".grc_op25")
try:
config_xlate_offset = self._config_xlate_offset_config.getfloat(
"main", "xlate_offset")
except:
config_xlate_offset = 0
self.config_xlate_offset = config_xlate_offset
self.click_freq = click_freq = freq - config_xlate_offset
self.xlate_offset_fine = xlate_offset_fine = 0
self.xlate_offset = xlate_offset = freq - click_freq
self.samp_rate = samp_rate = 2000000
self.samp_per_sym = samp_per_sym = 6
self.decim = decim = 20
self._config_xlate_bandwidth_config = ConfigParser.ConfigParser()
self._config_xlate_bandwidth_config.read(".grc_op25")
try:
config_xlate_bandwidth = self._config_xlate_bandwidth_config.getfloat(
"main", "xlate_bandwidth")
except:
config_xlate_bandwidth = 24000
self.config_xlate_bandwidth = config_xlate_bandwidth
self.auto_tune_offset = auto_tune_offset = 0
self.xlate_bandwidth = xlate_bandwidth = config_xlate_bandwidth
self.variable_static_text_0 = variable_static_text_0 = freq + xlate_offset + xlate_offset_fine + auto_tune_offset
self.pre_channel_rate = pre_channel_rate = samp_rate / decim
self.gain = gain = 20
self.fine_click_freq = fine_click_freq = 0
self.channel_rate = channel_rate = op25.SYMBOL_RATE * samp_per_sym
self.auto_tune_offset_freq = auto_tune_offset_freq = auto_tune_offset * op25.SYMBOL_DEVIATION
self.audio_mul = audio_mul = 0
##################################################
# Message Queues
##################################################
op25_decoder_simple_0_msgq_out = op25_traffic_pane_0_msgq_in = gr.msg_queue(
2)
op25_fsk4_0_msgq_out = baz_message_callback_0_msgq_in = gr.msg_queue(2)
##################################################
# Blocks
##################################################
_xlate_offset_fine_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_offset_fine_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_xlate_offset_fine_sizer,
value=self.xlate_offset_fine,
callback=self.set_xlate_offset_fine,
label="Fine Offset",
converter=forms.float_converter(),
proportion=0,
)
self._xlate_offset_fine_slider = forms.slider(
parent=self.GetWin(),
sizer=_xlate_offset_fine_sizer,
value=self.xlate_offset_fine,
callback=self.set_xlate_offset_fine,
minimum=-10000,
maximum=10000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_xlate_offset_fine_sizer)
self._xlate_offset_text_box = forms.text_box(
parent=self.GetWin(),
value=self.xlate_offset,
callback=self.set_xlate_offset,
label="Xlate Offset",
converter=forms.float_converter(),
)
self.Add(self._xlate_offset_text_box)
_xlate_bandwidth_sizer = wx.BoxSizer(wx.VERTICAL)
self._xlate_bandwidth_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
label="Xlate BW",
converter=forms.float_converter(),
proportion=0,
)
self._xlate_bandwidth_slider = forms.slider(
parent=self.GetWin(),
sizer=_xlate_bandwidth_sizer,
value=self.xlate_bandwidth,
callback=self.set_xlate_bandwidth,
minimum=5000,
maximum=50000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_xlate_bandwidth_sizer)
self.nb = self.nb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB-1")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "BB-2")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Xlate-1")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Xlate-2")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "4FSK")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Dibits")
self.nb.AddPage(grc_wxgui.Panel(self.nb), "Traffic")
self.Add(self.nb)
_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
label="Gain",
converter=forms.float_converter(),
proportion=0,
)
self._gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
minimum=0,
maximum=50,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_gain_sizer)
self._freq_text_box = forms.text_box(
parent=self.GetWin(),
value=self.freq,
callback=self.set_freq,
label="Frequency",
converter=forms.float_converter(),
)
self.Add(self._freq_text_box)
self._auto_tune_offset_freq_static_text = forms.static_text(
parent=self.GetWin(),
value=self.auto_tune_offset_freq,
callback=self.set_auto_tune_offset_freq,
label="Auto tune",
converter=forms.float_converter(),
)
self.Add(self._auto_tune_offset_freq_static_text)
_audio_mul_sizer = wx.BoxSizer(wx.VERTICAL)
self._audio_mul_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_audio_mul_sizer,
value=self.audio_mul,
callback=self.set_audio_mul,
label="Audio mul",
converter=forms.float_converter(),
proportion=0,
)
self._audio_mul_slider = forms.slider(
parent=self.GetWin(),
sizer=_audio_mul_sizer,
value=self.audio_mul,
callback=self.set_audio_mul,
minimum=-30,
maximum=10,
num_steps=40,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_audio_mul_sizer)
self.wxgui_waterfallsink2_0_0 = waterfallsink2.waterfall_sink_c(
self.nb.GetPage(3).GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=50,
ref_scale=2.0,
sample_rate=channel_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.nb.GetPage(3).Add(self.wxgui_waterfallsink2_0_0.win)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.nb.GetPage(1).GetWin(),
baseband_freq=freq,
dynamic_range=100,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.nb.GetPage(1).Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_f(
self.nb.GetPage(4).GetWin(),
title="Scope Plot",
sample_rate=channel_rate,
v_scale=1.5,
v_offset=0,
t_scale=0.05,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.nb.GetPage(4).Add(self.wxgui_scopesink2_1.win)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.nb.GetPage(5).GetWin(),
title="Scope Plot",
sample_rate=op25.SYMBOL_RATE,
v_scale=1,
v_offset=0,
t_scale=0.05,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.nb.GetPage(5).Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0_0 = fftsink2.fft_sink_c(
self.nb.GetPage(2).GetWin(),
baseband_freq=fine_click_freq,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=channel_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.nb.GetPage(2).Add(self.wxgui_fftsink2_0_0.win)
def wxgui_fftsink2_0_0_callback(x, y):
self.set_fine_click_freq(x)
self.wxgui_fftsink2_0_0.set_callback(wxgui_fftsink2_0_0_callback)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.nb.GetPage(0).GetWin(),
baseband_freq=freq,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.nb.GetPage(0).Add(self.wxgui_fftsink2_0.win)
def wxgui_fftsink2_0_callback(x, y):
self.set_click_freq(x)
self.wxgui_fftsink2_0.set_callback(wxgui_fftsink2_0_callback)
self._variable_static_text_0_static_text = forms.static_text(
parent=self.GetWin(),
value=self.variable_static_text_0,
callback=self.set_variable_static_text_0,
label="Final freq",
converter=forms.float_converter(),
)
self.Add(self._variable_static_text_0_static_text)
self.osmosdr_source_c_0 = osmosdr.source_c(args="nchan=" + str(1) +
" " + "hackrf=0")
self.osmosdr_source_c_0.set_sample_rate(samp_rate)
self.osmosdr_source_c_0.set_center_freq(freq, 0)
self.osmosdr_source_c_0.set_freq_corr(0, 0)
self.osmosdr_source_c_0.set_dc_offset_mode(0, 0)
self.osmosdr_source_c_0.set_iq_balance_mode(0, 0)
self.osmosdr_source_c_0.set_gain_mode(0, 0)
self.osmosdr_source_c_0.set_gain(14, 0)
self.osmosdr_source_c_0.set_if_gain(gain, 0)
self.osmosdr_source_c_0.set_bb_gain(gain, 0)
self.osmosdr_source_c_0.set_antenna("", 0)
self.osmosdr_source_c_0.set_bandwidth(0, 0)
self.op25_traffic_pane_0 = op25_traffic_pane.TrafficPane(
parent=self.nb.GetPage(6).GetWin(),
msgq=op25_traffic_pane_0_msgq_in)
self.nb.GetPage(6).Add(self.op25_traffic_pane_0)
self.op25_fsk4_0 = op25.op25_fsk4(
channel_rate=channel_rate,
auto_tune_msgq=op25_fsk4_0_msgq_out,
)
self.op25_decoder_simple_0 = op25.op25_decoder_simple(
key="",
traffic_msgq=op25_decoder_simple_0_msgq_out,
)
self.gr_quadrature_demod_cf_0 = gr.quadrature_demod_cf(
(channel_rate / (2.0 * math.pi * op25.SYMBOL_DEVIATION)))
self.gr_freq_xlating_fir_filter_xxx_0 = gr.freq_xlating_fir_filter_ccc(
decim, (firdes.low_pass(1, samp_rate, xlate_bandwidth / 2, 6000)),
xlate_offset + xlate_offset_fine - fine_click_freq -
auto_tune_offset_freq, samp_rate)
self.gr_fir_filter_xxx_0 = gr.fir_filter_fff(
1, ((1.0 / samp_per_sym, ) * samp_per_sym))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(10.**(audio_mul / 10.), ))
self.blks2_rational_resampler_xxx_1 = blks2.rational_resampler_ccc(
interpolation=channel_rate,
decimation=pre_channel_rate,
taps=None,
fractional_bw=None,
)
self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_fff(
interpolation=44100,
decimation=8000,
taps=None,
fractional_bw=None,
)
self.baz_message_callback_0 = message_callback.message_callback(
msgq=baz_message_callback_0_msgq_in,
callback=auto_tune_offset,
msg_part="arg1",
custom_parts="",
dummy=False)
self.audio_sink_0 = audio.sink(44100, "", True)
##################################################
# Connections
##################################################
self.connect((self.gr_freq_xlating_fir_filter_xxx_0, 0),
(self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.wxgui_fftsink2_0_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.wxgui_waterfallsink2_0_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.gr_quadrature_demod_cf_0, 0))
self.connect((self.gr_quadrature_demod_cf_0, 0),
(self.gr_fir_filter_xxx_0, 0))
self.connect((self.gr_fir_filter_xxx_0, 0),
(self.wxgui_scopesink2_1, 0))
self.connect((self.blks2_rational_resampler_xxx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.audio_sink_0, 0))
self.connect((self.gr_fir_filter_xxx_0, 0), (self.op25_fsk4_0, 0))
self.connect((self.op25_decoder_simple_0, 0),
(self.blks2_rational_resampler_xxx_0, 0))
self.connect((self.op25_fsk4_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.osmosdr_source_c_0, 0),
(self.wxgui_waterfallsink2_0, 0))
self.connect((self.osmosdr_source_c_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.osmosdr_source_c_0, 0),
(self.gr_freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.op25_fsk4_0, 0), (self.op25_decoder_simple_0, 0))