def __init__(self):
gr.top_block.__init__(self, "SAME Decoder test")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 8000
##################################################
# Blocks
##################################################
self.rational_resampler_44k = filter.rational_resampler_fff(
interpolation=80,
decimation=441,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=100,
decimation=96,
taps=None,
fractional_bw=None,
)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcc(1, (firdes.low_pass(1, samp_rate, 600, 100)), 1822.916667, samp_rate)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=16,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.1,
freq_error=0.0,
verbose=True,
log=False,
)
#self.src = audio.source(samp_rate, "plughw:CARD=PCH,DEV=2", True)
self.blocks_wavfile_source_0 = blocks.wavfile_source("eas-test-11-7-2013.wav", False)
self.blocks_bitstream_sink = blocks.file_sink(1, "bitstream.bin")
self.xlat_sink = blocks.wavfile_sink("xlat.wav", 1, 8333)
self.xlat_complex_to_float = blocks.complex_to_float()
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_ff(-50, 0.0001, 0)
self.msg_queue = gr.msg_queue(10)
self.same_dec_0 = same.same_dec(self.msg_queue)
##################################################
# Connections
##################################################
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.xlat_complex_to_float, 0), (self.xlat_sink, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.digital_gmsk_demod_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.same_dec_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.blocks_bitstream_sink, 0))
#self.connect((self.src, 0), (self.rational_resampler_44k, 0))
#self.connect((self.rational_resampler_44k, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.blocks_wavfile_source_0, 0), (self.analog_pwr_squelch_xx_0,0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self._watcher = _queue_watcher_thread(self.msg_queue)
def __init__(self):
gr.top_block.__init__(self, "SAME Decoder test")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 8000
##################################################
# Blocks
##################################################
self.rational_resampler_44k = filter.rational_resampler_fff(
interpolation=80,
decimation=441,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=100,
decimation=96,
taps=None,
fractional_bw=None,
)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcc(1, (firdes.low_pass(1, samp_rate, 600, 100)), 1822.916667, samp_rate)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=16,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.1,
freq_error=0.0,
verbose=True,
log=False,
)
self.src = audio.source(samp_rate, "plughw:CARD=PCH,DEV=2", True)
#self.blocks_wavfile_source_0 = blocks.wavfile_source("Monthly_Test_WUAL_DEC-2013.wav", False)
self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_ff(-50, 0.0001, 0)
self.msg_queue = gr.msg_queue(10)
self.same_dec_0 = same.same_dec(self.msg_queue)
##################################################
# Connections
##################################################
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.digital_gmsk_demod_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.same_dec_0, 0))
self.connect((self.src, 0), (self.rational_resampler_44k, 0))
self.connect((self.rational_resampler_44k, 0), (self.analog_pwr_squelch_xx_0, 0))
self.connect((self.analog_pwr_squelch_xx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self._watcher = _queue_watcher_thread(self.msg_queue)
def __init__(self, mon_id, audio_port):
gr.top_block.__init__(self, "EAS/SAME Monitor")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 8000
##################################################
# Blocks
##################################################
# Resampler from input rate (44.1k) to internal rate (8k)
self.rational_resampler_44k = filter.rational_resampler_fff(
interpolation=80,
decimation=441,
)
# Resampler from 8000 Hz to 4166 2/3rd Hz to deal with SAME's weird parameters
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=50,
decimation=96,
taps=None,
fractional_bw=None,
)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcc(
1, (firdes.low_pass(1, samp_rate, 600, 100)), 1822.916667,
samp_rate)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=8,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.01,
freq_error=0.0,
verbose=True,
log=False,
)
self.src = audio.source(44100, "eas_mon_%s:in" % (mon_id), True)
self.agc = analog.agc_ff(0.0001, 0.1, 1.0)
#self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_ff(-50, 0.0001, 0)
self.msg_queue = gr.msg_queue(10)
self.same_dec_0 = same.same_dec(self.msg_queue)
self.tone_det_0 = fft.goertzel_fc(samp_rate, samp_rate / 10, 853)
self.tone_det_1 = fft.goertzel_fc(samp_rate, samp_rate / 10, 960)
self.tone_det_2 = fft.goertzel_fc(samp_rate, samp_rate / 10, 1050)
self.wat_thresh_msg = same.wat_thresh_msg(self.msg_queue, 1, 0.05,
0.01)
#self.avg_audio_level = analog.probe_avg_mag_sqrd_ff(-50)
#self.level_thresh_msg = same.level_thresh_msg(self.msg_queue, 1, 3, db_to_abs(-30), db_to_abs(-40))
self.audio_sink_converter = blocks.float_to_short(1, 3276)
self.audio_sink = blocks.udp_sink(2, '127.0.0.1', audio_port)
##################################################
# Connections
##################################################
self.connect((self.src, 0), (self.rational_resampler_44k, 0))
self.connect((self.rational_resampler_44k, 0), (self.agc, 0))
#self.connect((self.agc, 0), (self.analog_pwr_squelch_xx_0, 0))
#self.connect((self.analog_pwr_squelch_xx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.agc, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.digital_gmsk_demod_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.same_dec_0, 0))
self.connect((self.agc, 0), (self.tone_det_0, 0),
(self.wat_thresh_msg, 0))
self.connect((self.agc, 0), (self.tone_det_1, 0),
(self.wat_thresh_msg, 1))
self.connect((self.agc, 0), (self.tone_det_2, 0),
(self.wat_thresh_msg, 2))
#self.connect((self.agc, 0), (self.avg_audio_level, 0), (self.level_thresh_msg, 0))
self.connect((self.agc, 0), (self.audio_sink_converter, 0),
(self.audio_sink, 0))
self._watcher = _queue_watcher_thread(self.msg_queue, mon_id,
audio_port)
def __init__(self, mon_id, audio_port):
gr.top_block.__init__(self, "EAS/SAME Monitor")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 8000
##################################################
# Blocks
##################################################
# Resampler from input rate (44.1k) to internal rate (8k)
self.rational_resampler_44k = filter.rational_resampler_fff(
interpolation=80,
decimation=441,
)
# Resampler from 8000 Hz to 4166 2/3rd Hz to deal with SAME's weird parameters
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=50,
decimation=96,
taps=None,
fractional_bw=None,
)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_fcc(1, (firdes.low_pass(1, samp_rate, 600, 100)), 1822.916667, samp_rate)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=8,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.01,
freq_error=0.0,
verbose=True,
log=False,
)
self.src = audio.source(44100, "eas_mon_%s:in" % (mon_id), True)
self.agc = analog.agc_ff(0.0001, 0.1, 1.0)
#self.analog_pwr_squelch_xx_0 = analog.pwr_squelch_ff(-50, 0.0001, 0)
self.msg_queue = gr.msg_queue(10)
self.same_dec_0 = same.same_dec(self.msg_queue)
self.tone_det_0 = fft.goertzel_fc(samp_rate, samp_rate / 10, 853)
self.tone_det_1 = fft.goertzel_fc(samp_rate, samp_rate / 10, 960)
self.tone_det_2 = fft.goertzel_fc(samp_rate, samp_rate / 10, 1050)
self.wat_thresh_msg = same.wat_thresh_msg(self.msg_queue, 1, 0.05, 0.01)
#self.avg_audio_level = analog.probe_avg_mag_sqrd_ff(-50)
#self.level_thresh_msg = same.level_thresh_msg(self.msg_queue, 1, 3, db_to_abs(-30), db_to_abs(-40))
self.audio_sink_converter = blocks.float_to_short(1, 3276)
self.audio_sink = blocks.udp_sink(2, '127.0.0.1', audio_port)
##################################################
# Connections
##################################################
self.connect((self.src, 0), (self.rational_resampler_44k, 0))
self.connect((self.rational_resampler_44k, 0), (self.agc, 0))
#self.connect((self.agc, 0), (self.analog_pwr_squelch_xx_0, 0))
#self.connect((self.analog_pwr_squelch_xx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.agc, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.digital_gmsk_demod_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.same_dec_0, 0))
self.connect((self.agc, 0), (self.tone_det_0, 0), (self.wat_thresh_msg, 0))
self.connect((self.agc, 0), (self.tone_det_1, 0), (self.wat_thresh_msg, 1))
self.connect((self.agc, 0), (self.tone_det_2, 0), (self.wat_thresh_msg, 2))
#self.connect((self.agc, 0), (self.avg_audio_level, 0), (self.level_thresh_msg, 0))
self.connect((self.agc, 0), (self.audio_sink_converter, 0), (self.audio_sink, 0))
self._watcher = _queue_watcher_thread(self.msg_queue, mon_id, audio_port)
