def set_usrp_rate(self, usrp_rate): self.usrp_rate = usrp_rate self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.usrp_rate, 54e3, 60e3, 3e3, firdes.WIN_HAMMING, 6.76)) self.band_pass_filter_1.set_taps(firdes.band_pass(1, self.usrp_rate, 23e3, 53e3, 2e3, firdes.WIN_HAMMING, 6.76)) self.gr_sig_source_x_0.set_sampling_freq(self.usrp_rate) self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.usrp_rate, 1.5e3, 2e3, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_0_0.set_taps(firdes.low_pass(1, self.usrp_rate, 15e3, 2e3, firdes.WIN_HAMMING, 6.76)) self.wxgui_fftsink2_0.set_sample_rate(self.usrp_rate)
def set_st_gain(self, st_gain):
self.st_gain = st_gain
self._st_gain_slider.set_value(self.st_gain)
self._st_gain_text_box.set_value(self.st_gain)
self.band_pass_filter_0.set_taps(
firdes.band_pass(self.st_gain, self.mpx_rate, 23000, 53000, 2000,
firdes.WIN_HAMMING, 6.76))
def set_pass_high(self, pass_high):
self.pass_high = pass_high
self.band_pass_filter_0.set_taps(
firdes.band_pass(
1, self.samp_rate, self.pass_low, self.pass_high, self.pass_trans, firdes.WIN_HAMMING, 6.76
)
)
def set_srate(self, srate): self.srate = srate self.single_pole_iir_filter_xx_0.set_taps(1.0/((self.srate/10)*self.integ)) self.blocks_keep_one_in_n_0.set_n(int(self.srate/20)) self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.srate, 200e3, 24e3, firdes.WIN_HAMMING, 6.76)) self.wxgui_fftsink2_0.set_sample_rate(self.srate) self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.srate/5, self.bp_low, self.bp_high, 24e3, firdes.WIN_HAMMING, 6.76))
def set_usrp_rate(self, usrp_rate):
self.usrp_rate = usrp_rate
self.band_pass_filter_0.set_taps(
firdes.band_pass(1, self.usrp_rate, 54e3, 60e3, 3e3,
firdes.WIN_HAMMING, 6.76))
self.band_pass_filter_1.set_taps(
firdes.band_pass(1, self.usrp_rate, 23e3, 53e3, 2e3,
firdes.WIN_HAMMING, 6.76))
self.gr_sig_source_x_0.set_sampling_freq(self.usrp_rate)
self.low_pass_filter_0.set_taps(
firdes.low_pass(1, self.usrp_rate, 1.5e3, 2e3, firdes.WIN_HAMMING,
6.76))
self.low_pass_filter_0_0.set_taps(
firdes.low_pass(1, self.usrp_rate, 15e3, 2e3, firdes.WIN_HAMMING,
6.76))
self.wxgui_fftsink2_0.set_sample_rate(self.usrp_rate)
def set_mpx_rate(self, mpx_rate):
self.mpx_rate = mpx_rate
self.band_pass_filter_0.set_taps(
firdes.band_pass(self.st_gain, self.mpx_rate, 23000, 53000, 2000,
firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0.set_taps(
firdes.low_pass(self.Mono_gain, self.mpx_rate, 15000, 2000,
firdes.WIN_HAMMING, 6.76))
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.set_xlate_filter_taps(firdes.low_pass(1, self.samp_rate, 48000, 5000, firdes.WIN_HAMMING, 6.76))
self.band_pass_filter_0.set_taps(
firdes.band_pass(
1, self.samp_rate, self.pass_low, self.pass_high, self.pass_trans, firdes.WIN_HAMMING, 6.76
)
)
def set_bandpass_transition_width(self, bandpass_transition_width):
self.bandpass_transition_width = bandpass_transition_width
self.band_pass_filter_0.set_taps(
firdes.band_pass(1, self.samp_rate,
self.freq_offset - self.bandpass_bandwidth / 2,
self.freq_offset + self.bandpass_bandwidth / 2,
self.bandpass_transition_width,
firdes.WIN_HAMMING, 6.76))
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.band_pass_filter_0.set_taps(
firdes.band_pass(1, self.samp_rate,
self.freq_offset - self.bandpass_bandwidth / 2,
self.freq_offset + self.bandpass_bandwidth / 2,
self.bandpass_transition_width,
firdes.WIN_HAMMING, 6.76))
self.uhd_usrp_source_0.set_samp_rate(self.samp_rate)
def set_freq_offset(self, freq_offset):
self.freq_offset = freq_offset
self.band_pass_filter_0.set_taps(
firdes.band_pass(1, self.samp_rate,
self.freq_offset - self.bandpass_bandwidth / 2,
self.freq_offset + self.bandpass_bandwidth / 2,
self.bandpass_transition_width,
firdes.WIN_HAMMING, 6.76))
self.uhd_usrp_source_0.set_center_freq(915000000 - self.freq_offset, 0)
def set_beat(self, beat):
self.beat = beat
self._beat_slider.set_value(self.beat)
self._beat_text_box.set_value(self.beat)
self.band_pass_filter_0.set_taps(
firdes.band_pass(1, self.samp_rate / 10, (self.beat * 1000) - 100,
(self.beat * 1000) + 100, 50, firdes.WIN_HAMMING,
6.76))
self.analog_sig_source_x_0.set_frequency(122e3 - (self.beat * 1000))
def set_samp_rate(self, samp_rate): self.samp_rate = samp_rate self.low_pass_filter_0.set_taps(firdes.low_pass(1, self.samp_rate, 11e3, 2.5e3, firdes.WIN_HAMMING, 6.76)) self.blocks_throttle_0.set_sample_rate(self.samp_rate) self.blocks_keep_one_in_n_0.set_n(int(self.samp_rate/20)) self.single_pole_iir_filter_xx_0.set_taps(1.0/((self.samp_rate/10)*self.integ)) self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.samp_rate/10, (self.beat*1000)-100, (self.beat*1000)+100, 50, firdes.WIN_HAMMING, 6.76)) self.wxgui_fftsink2_0.set_sample_rate(self.samp_rate/10) self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate) self.analog_sig_source_x_0_0.set_sampling_freq(self.samp_rate)
def __init__(self, samprate=48000, cutoff_low=300, cutoff_high=3000,
transit=100):
# ------------------------------------------------------------------------
super(BandpassAdapter, self).__init__()
self.filter = gr.fir_filter_fff(1, firdes.band_pass(
1, samprate, cutoff_low, cutoff_high, transit, firdes.WIN_HAMMING,
6.76))
self.samprate = samprate
self.cutoff_low = cutoff_low
self.cutoff_high = cutoff_high
self.transit = transit
def __init__(self):
gr.top_block.__init__(self, "CW/SSB Receiver")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 96000
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(1, samp_rate, 48000, 5000, firdes.WIN_HAMMING, 6.76)
self.sql_lev = sql_lev = -100
self.rf_gain = rf_gain = 20
self.pass_trans = pass_trans = 600
self.pass_low = pass_low = 300
self.pass_high = pass_high = 1200
self.freq = freq = 144800000
self.af_gain = af_gain = 5
self.sat_file_name = sat_file_name = "Undefined"
##################################################
# Blocks
##################################################
self.xlating_fir_filter = gr.freq_xlating_fir_filter_ccc(1, (xlate_filter_taps), 0, samp_rate)
self.gr_simple_squelch_cc_0 = gr.simple_squelch_cc(sql_lev, 1)
self.gr_multiply_const_vxx_0 = gr.multiply_const_vff((af_gain, ))
self.gr_complex_to_real_0 = gr.complex_to_real(1)
self.gr_agc2_xx_0 = gr.agc2_cc(1e-1, 20.8e-6, 0.3, 1.0, 0.0)
self.fcd_source_c_1 = fcd.source_c("hw:1")
self.fcd_source_c_1.set_freq(freq)
self.fcd_source_c_1.set_freq_corr(-10)
self.band_pass_filter_0 = gr.fir_filter_ccf(2, firdes.band_pass(
1, samp_rate, pass_low, pass_high, pass_trans, firdes.WIN_HAMMING, 6.76))
self.audio_sink = audio.sink(48000, "", True)
self.wavfile_sink = gr.wavfile_sink(self.sat_file_name, 1, 11025, 16)
self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_fff(
interpolation=11025,
decimation=48000,
taps=None,
fractional_bw=None,
)
##################################################
# Connections
##################################################
self.connect((self.fcd_source_c_1, 0), (self.xlating_fir_filter, 0))
self.connect((self.xlating_fir_filter, 0), (self.gr_simple_squelch_cc_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.gr_agc2_xx_0, 0))
self.connect((self.gr_complex_to_real_0, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_agc2_xx_0, 0), (self.gr_complex_to_real_0, 0))
self.connect((self.gr_simple_squelch_cc_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.audio_sink, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.audio_sink, 1))
self.connect((self.gr_complex_to_real_0, 0), (self.blks2_rational_resampler_xxx_0, 0))
self.connect((self.blks2_rational_resampler_xxx_0, 0), (self.wavfile_sink, 0))
def ProcessCommand(self, command):
# ------------------------------------------------------------------------
if command[0] == "cutoff-low":
self.cutoff_low = int(command[1])
if command[0] == "cutoff-high":
self.cutoff_high = int(command[1])
if command[0] == "transit":
self.transit = int(command[1])
self.filter.set_taps(
firdes.band_pass(
1, self.samprate, self.cutoff_low, self.cutoff_high,
self.transit, firdes.WIN_HAMMING, 6.76))
def set_bandpass_transition_width(self, bandpass_transition_width):
self.bandpass_transition_width = bandpass_transition_width
self.band_pass_filter_0.set_taps(
firdes.band_pass(
1,
self.samp_rate,
self.freq_offset - self.bandpass_bandwidth / 2,
self.freq_offset + self.bandpass_bandwidth / 2,
self.bandpass_transition_width,
firdes.WIN_HAMMING,
6.76,
)
)
def set_freq_offset(self, freq_offset):
self.freq_offset = freq_offset
self.band_pass_filter_0.set_taps(
firdes.band_pass(
1,
self.samp_rate,
self.freq_offset - self.bandpass_bandwidth / 2,
self.freq_offset + self.bandpass_bandwidth / 2,
self.bandpass_transition_width,
firdes.WIN_HAMMING,
6.76,
)
)
self.uhd_usrp_source_0.set_center_freq(915000000 - self.freq_offset, 0)
def set_samp_rate(self, samp_rate):
self.samp_rate = samp_rate
self.band_pass_filter_0.set_taps(
firdes.band_pass(
1,
self.samp_rate,
self.freq_offset - self.bandpass_bandwidth / 2,
self.freq_offset + self.bandpass_bandwidth / 2,
self.bandpass_transition_width,
firdes.WIN_HAMMING,
6.76,
)
)
self.uhd_usrp_source_0.set_samp_rate(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(1, self.samp_rate, 11e3, 2.5e3, firdes.WIN_HAMMING,
6.76))
self.blocks_throttle_0.set_sample_rate(self.samp_rate)
self.blocks_keep_one_in_n_0.set_n(int(self.samp_rate / 20))
self.single_pole_iir_filter_xx_0.set_taps(
1.0 / ((self.samp_rate / 10) * self.integ))
self.band_pass_filter_0.set_taps(
firdes.band_pass(1, self.samp_rate / 10, (self.beat * 1000) - 100,
(self.beat * 1000) + 100, 50, firdes.WIN_HAMMING,
6.76))
self.wxgui_fftsink2_0.set_sample_rate(self.samp_rate / 10)
self.analog_sig_source_x_0.set_sampling_freq(self.samp_rate)
self.analog_sig_source_x_0_0.set_sampling_freq(self.samp_rate)
def __init__(self):
gr.top_block.__init__(self, "CW/SSB Receiver")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 96000
self.xlate_filter_taps = xlate_filter_taps = firdes.low_pass(1, samp_rate, 48000, 5000, firdes.WIN_HAMMING, 6.76)
self.sql_lev = sql_lev = -100
self.rf_gain = rf_gain = 20
self.pass_trans = pass_trans = 600
self.pass_low = pass_low = 300
self.pass_high = pass_high = 1200
self.freq = freq = 144800000
self.af_gain = af_gain = 5
##################################################
# Blocks
##################################################
self.xlating_fir_filter = gr.freq_xlating_fir_filter_ccc(1, (xlate_filter_taps), 0, samp_rate)
self.gr_simple_squelch_cc_0 = gr.simple_squelch_cc(sql_lev, 1)
self.gr_multiply_const_vxx_0 = gr.multiply_const_vff((af_gain, ))
self.gr_complex_to_real_0 = gr.complex_to_real(1)
self.gr_agc2_xx_0 = gr.agc2_cc(1e-1, 20.8e-6, 0.3, 1.0, 0.0)
self.fcd_source_c_1 = fcd.source_c("hw:1")
self.fcd_source_c_1.set_freq(freq)
self.fcd_source_c_1.set_freq_corr(-10)
self.band_pass_filter_0 = gr.fir_filter_ccf(2, firdes.band_pass(
1, samp_rate, pass_low, pass_high, pass_trans, firdes.WIN_HAMMING, 6.76))
self.audio_sink = audio.sink(48000, "", True)
##################################################
# Connections
##################################################
self.connect((self.fcd_source_c_1, 0), (self.xlating_fir_filter, 0))
self.connect((self.xlating_fir_filter, 0), (self.gr_simple_squelch_cc_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.gr_agc2_xx_0, 0))
self.connect((self.gr_complex_to_real_0, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_agc2_xx_0, 0), (self.gr_complex_to_real_0, 0))
self.connect((self.gr_simple_squelch_cc_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.audio_sink, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.audio_sink, 1))
def set_asrate(self, asrate): self.asrate = asrate self.gr_single_pole_iir_filter_xx_0.set_taps(1.0/(self.asrate/3)) self.gr_keep_one_in_n_0.set_n(int(self.asrate/3)) self.gr_fractional_interpolator_xx_0.set_interp_ratio(self.asrate/self.farate) self.gr_fft_filter_xxx_1.set_taps((firdes.low_pass(self.tone_low/10.0,self.asrate,1.2e3,500,firdes.WIN_HAMMING))) self.gr_fft_filter_xxx_1_0.set_taps((firdes.band_pass(self.tone_med/10.0,self.asrate,1.0e3,4.0e3,2.0e3,firdes.WIN_HAMMING))) self.gr_fft_filter_xxx_1_0_0.set_taps((firdes.band_pass(self.tone_high/10.0,self.asrate,3.5e3,15.0e3,5.0e3,firdes.WIN_HAMMING))) self.band_pass_filter_2_0.set_taps(firdes.band_pass(20, self.asrate, 17.5e3, 17.9e3, 250, firdes.WIN_HAMMING, 6.76)) self.gr_fractional_interpolator_xx_0_0.set_interp_ratio(self.asrate/self.farate) self.band_pass_filter_2.set_taps(firdes.band_pass(10, self.asrate, 18.8e3, 19.2e3, 350, firdes.WIN_HAMMING, 6.76)) self.wxgui_fftsink2_0.set_sample_rate(self.asrate) self.gr_fft_filter_xxx_0.set_taps((firdes.low_pass(self.tone_low/10.0,self.asrate,1.2e3,500,firdes.WIN_HAMMING))) self.gr_fft_filter_xxx_0_0_0.set_taps((firdes.band_pass(self.tone_high/10.0,self.asrate,3.5e3,13.5e3,3.5e3,firdes.WIN_HAMMING))) self.low_pass_filter_0.set_taps(firdes.low_pass(3, self.asrate, 10e3, 2e3, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_1.set_taps(firdes.low_pass(3, self.asrate/5, 1e3, 200, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_2.set_taps(firdes.low_pass(3, self.asrate/50, 100, 30, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_3.set_taps(firdes.low_pass(3, self.asrate/500, 10, 3, firdes.WIN_HAMMING, 6.76)) self.gr_single_pole_iir_filter_xx_1.set_taps(2.5/(self.asrate/500)) self.gr_fft_filter_xxx_0_0.set_taps((firdes.band_pass(self.tone_med/10.0,self.asrate,1.0e3,4.0e3,2.0e3,firdes.WIN_HAMMING))) self.band_pass_filter_0_0.set_taps(firdes.band_pass(1, self.asrate, 38e3-(15e3), 38e3+(15e3), 4.0e3, firdes.WIN_HAMMING, 6.76))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Rds Tx")
_icon_path = "/home/azimout/.local/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.usrp_interp = usrp_interp = 500
self.dac_rate = dac_rate = 128e6
self.wav_rate = wav_rate = 44100
self.usrp_rate = usrp_rate = int(dac_rate / usrp_interp)
self.fm_max_dev = fm_max_dev = 120e3
##################################################
# Blocks
##################################################
self.band_pass_filter_0 = gr.interp_fir_filter_fff(
1,
firdes.band_pass(1, usrp_rate, 54e3, 60e3, 3e3, firdes.WIN_HAMMING,
6.76))
self.band_pass_filter_1 = gr.interp_fir_filter_fff(
1,
firdes.band_pass(1, usrp_rate, 23e3, 53e3, 2e3, firdes.WIN_HAMMING,
6.76))
self.blks2_rational_resampler_xxx_1 = blks2.rational_resampler_fff(
interpolation=usrp_rate,
decimation=wav_rate,
taps=None,
fractional_bw=None,
)
self.blks2_rational_resampler_xxx_1_0 = blks2.rational_resampler_fff(
interpolation=usrp_rate,
decimation=wav_rate,
taps=None,
fractional_bw=None,
)
self.gr_add_xx_0 = gr.add_vff(1)
self.gr_add_xx_1 = gr.add_vff(1)
self.gr_char_to_float_0 = gr.char_to_float()
self.gr_diff_encoder_bb_0 = gr.diff_encoder_bb(2)
self.gr_frequency_modulator_fc_0 = gr.frequency_modulator_fc(
2 * math.pi * fm_max_dev / usrp_rate)
self.gr_map_bb_0 = gr.map_bb(([-1, 1]))
self.gr_map_bb_1 = gr.map_bb(([1, 2]))
self.gr_multiply_xx_0 = gr.multiply_vff(1)
self.gr_multiply_xx_1 = gr.multiply_vff(1)
self.gr_rds_data_encoder_0 = rds.data_encoder(
"/media/dimitris/mywork/gr/dimitris/rds/trunk/src/test/rds_data.xml"
)
self.gr_rds_rate_enforcer_0 = rds.rate_enforcer(256000)
self.gr_sig_source_x_0 = gr.sig_source_f(usrp_rate, gr.GR_COS_WAVE,
19e3, 0.3, 0)
self.gr_sub_xx_0 = gr.sub_ff(1)
self.gr_unpack_k_bits_bb_0 = gr.unpack_k_bits_bb(2)
self.gr_wavfile_source_0 = gr.wavfile_source(
"/media/dimitris/mywork/gr/dimitris/rds/trunk/src/python/limmenso_stereo.wav",
True)
self.low_pass_filter_0 = gr.interp_fir_filter_fff(
1,
firdes.low_pass(1, usrp_rate, 1.5e3, 2e3, firdes.WIN_HAMMING,
6.76))
self.low_pass_filter_0_0 = gr.interp_fir_filter_fff(
1,
firdes.low_pass(1, usrp_rate, 15e3, 2e3, firdes.WIN_HAMMING, 6.76))
self.usrp_simple_sink_x_0 = grc_usrp.simple_sink_c(which=0, side="A")
self.usrp_simple_sink_x_0.set_interp_rate(500)
self.usrp_simple_sink_x_0.set_frequency(107.2e6, verbose=True)
self.usrp_simple_sink_x_0.set_gain(0)
self.usrp_simple_sink_x_0.set_enable(True)
self.usrp_simple_sink_x_0.set_auto_tr(True)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_f(
self.GetWin(),
baseband_freq=0,
y_per_div=20,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=usrp_rate,
fft_size=1024,
fft_rate=30,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
##################################################
# Connections
##################################################
self.connect((self.gr_sig_source_x_0, 0),
(self.gr_rds_rate_enforcer_0, 1))
self.connect((self.gr_char_to_float_0, 0),
(self.gr_rds_rate_enforcer_0, 0))
self.connect((self.gr_map_bb_0, 0), (self.gr_char_to_float_0, 0))
self.connect((self.gr_frequency_modulator_fc_0, 0),
(self.usrp_simple_sink_x_0, 0))
self.connect((self.gr_add_xx_1, 0),
(self.gr_frequency_modulator_fc_0, 0))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_add_xx_1, 1))
self.connect((self.gr_sub_xx_0, 0), (self.gr_multiply_xx_1, 2))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_multiply_xx_1, 1))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_multiply_xx_1, 0))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_multiply_xx_0, 3))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_multiply_xx_0, 2))
self.connect((self.blks2_rational_resampler_xxx_1_0, 0),
(self.gr_add_xx_0, 1))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.gr_add_xx_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1_0, 0),
(self.gr_sub_xx_0, 1))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.gr_sub_xx_0, 0))
self.connect((self.gr_wavfile_source_0, 1),
(self.blks2_rational_resampler_xxx_1_0, 0))
self.connect((self.gr_wavfile_source_0, 0),
(self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.gr_rds_data_encoder_0, 0),
(self.gr_diff_encoder_bb_0, 0))
self.connect((self.gr_diff_encoder_bb_0, 0), (self.gr_map_bb_1, 0))
self.connect((self.gr_map_bb_1, 0), (self.gr_unpack_k_bits_bb_0, 0))
self.connect((self.gr_unpack_k_bits_bb_0, 0), (self.gr_map_bb_0, 0))
self.connect((self.gr_rds_rate_enforcer_0, 0),
(self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.gr_multiply_xx_0, 0))
self.connect((self.gr_multiply_xx_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.gr_add_xx_1, 0))
self.connect((self.gr_multiply_xx_1, 0), (self.band_pass_filter_1, 0))
self.connect((self.band_pass_filter_1, 0), (self.gr_add_xx_1, 3))
self.connect((self.gr_add_xx_1, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_multiply_xx_0, 1))
self.connect((self.gr_add_xx_0, 0), (self.low_pass_filter_0_0, 0))
self.connect((self.low_pass_filter_0_0, 0), (self.gr_add_xx_1, 2))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Rds Tx")
_icon_path = "/home/azimout/.local/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.usrp_interp = usrp_interp = 500
self.dac_rate = dac_rate = 128e6
self.wav_rate = wav_rate = 44100
self.usrp_rate = usrp_rate = int(dac_rate/usrp_interp)
self.fm_max_dev = fm_max_dev = 120e3
##################################################
# Blocks
##################################################
self.band_pass_filter_0 = gr.interp_fir_filter_fff(1, firdes.band_pass(
1, usrp_rate, 54e3, 60e3, 3e3, firdes.WIN_HAMMING, 6.76))
self.band_pass_filter_1 = gr.interp_fir_filter_fff(1, firdes.band_pass(
1, usrp_rate, 23e3, 53e3, 2e3, firdes.WIN_HAMMING, 6.76))
self.blks2_rational_resampler_xxx_1 = blks2.rational_resampler_fff(
interpolation=usrp_rate,
decimation=wav_rate,
taps=None,
fractional_bw=None,
)
self.blks2_rational_resampler_xxx_1_0 = blks2.rational_resampler_fff(
interpolation=usrp_rate,
decimation=wav_rate,
taps=None,
fractional_bw=None,
)
self.gr_add_xx_0 = gr.add_vff(1)
self.gr_add_xx_1 = gr.add_vff(1)
self.gr_char_to_float_0 = gr.char_to_float()
self.gr_diff_encoder_bb_0 = gr.diff_encoder_bb(2)
self.gr_frequency_modulator_fc_0 = gr.frequency_modulator_fc(2*math.pi*fm_max_dev/usrp_rate)
self.gr_map_bb_0 = gr.map_bb(([-1,1]))
self.gr_map_bb_1 = gr.map_bb(([1,2]))
self.gr_multiply_xx_0 = gr.multiply_vff(1)
self.gr_multiply_xx_1 = gr.multiply_vff(1)
self.gr_rds_data_encoder_0 = rds.data_encoder("/media/dimitris/mywork/gr/dimitris/rds/trunk/src/test/rds_data.xml")
self.gr_rds_rate_enforcer_0 = rds.rate_enforcer(256000)
self.gr_sig_source_x_0 = gr.sig_source_f(usrp_rate, gr.GR_COS_WAVE, 19e3, 0.3, 0)
self.gr_sub_xx_0 = gr.sub_ff(1)
self.gr_unpack_k_bits_bb_0 = gr.unpack_k_bits_bb(2)
self.gr_wavfile_source_0 = gr.wavfile_source("/media/dimitris/mywork/gr/dimitris/rds/trunk/src/python/limmenso_stereo.wav", True)
self.low_pass_filter_0 = gr.interp_fir_filter_fff(1, firdes.low_pass(
1, usrp_rate, 1.5e3, 2e3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0_0 = gr.interp_fir_filter_fff(1, firdes.low_pass(
1, usrp_rate, 15e3, 2e3, firdes.WIN_HAMMING, 6.76))
self.usrp_simple_sink_x_0 = grc_usrp.simple_sink_c(which=0, side="A")
self.usrp_simple_sink_x_0.set_interp_rate(500)
self.usrp_simple_sink_x_0.set_frequency(107.2e6, verbose=True)
self.usrp_simple_sink_x_0.set_gain(0)
self.usrp_simple_sink_x_0.set_enable(True)
self.usrp_simple_sink_x_0.set_auto_tr(True)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_f(
self.GetWin(),
baseband_freq=0,
y_per_div=20,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=usrp_rate,
fft_size=1024,
fft_rate=30,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
##################################################
# Connections
##################################################
self.connect((self.gr_sig_source_x_0, 0), (self.gr_rds_rate_enforcer_0, 1))
self.connect((self.gr_char_to_float_0, 0), (self.gr_rds_rate_enforcer_0, 0))
self.connect((self.gr_map_bb_0, 0), (self.gr_char_to_float_0, 0))
self.connect((self.gr_frequency_modulator_fc_0, 0), (self.usrp_simple_sink_x_0, 0))
self.connect((self.gr_add_xx_1, 0), (self.gr_frequency_modulator_fc_0, 0))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_add_xx_1, 1))
self.connect((self.gr_sub_xx_0, 0), (self.gr_multiply_xx_1, 2))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_multiply_xx_1, 1))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_multiply_xx_1, 0))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_multiply_xx_0, 3))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_multiply_xx_0, 2))
self.connect((self.blks2_rational_resampler_xxx_1_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.gr_add_xx_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1_0, 0), (self.gr_sub_xx_0, 1))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.gr_sub_xx_0, 0))
self.connect((self.gr_wavfile_source_0, 1), (self.blks2_rational_resampler_xxx_1_0, 0))
self.connect((self.gr_wavfile_source_0, 0), (self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.gr_rds_data_encoder_0, 0), (self.gr_diff_encoder_bb_0, 0))
self.connect((self.gr_diff_encoder_bb_0, 0), (self.gr_map_bb_1, 0))
self.connect((self.gr_map_bb_1, 0), (self.gr_unpack_k_bits_bb_0, 0))
self.connect((self.gr_unpack_k_bits_bb_0, 0), (self.gr_map_bb_0, 0))
self.connect((self.gr_rds_rate_enforcer_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.gr_multiply_xx_0, 0))
self.connect((self.gr_multiply_xx_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.gr_add_xx_1, 0))
self.connect((self.gr_multiply_xx_1, 0), (self.band_pass_filter_1, 0))
self.connect((self.band_pass_filter_1, 0), (self.gr_add_xx_1, 3))
self.connect((self.gr_add_xx_1, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_multiply_xx_0, 1))
self.connect((self.gr_add_xx_0, 0), (self.low_pass_filter_0_0, 0))
self.connect((self.low_pass_filter_0_0, 0), (self.gr_add_xx_1, 2))
def __init__(self, ppm=30, srate=2.4e6, fftsize=8192):
grc_wxgui.top_block_gui.__init__(self, title="Tp Modes")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.ppm = ppm
self.srate = srate
self.fftsize = fftsize
##################################################
# Variables
##################################################
self.prefix = prefix = "/home/superkuh/vsrt_"
self.recfile = recfile = prefix + datetime.now().strftime("%Y.%m.%d.%H.%M.%S") + ".log"
self.freq = freq = 1600e6
self.bp_width = bp_width = 30e3
self.bp_low = bp_low = 90e3
self.actual_lower_freq = actual_lower_freq = 10.7e9
self.IF_lower_freq = IF_lower_freq = 950e6
self.scope_rate = scope_rate = 2.0
self.record = record = False
self.realfreq_display = realfreq_display = actual_lower_freq + (freq - IF_lower_freq)
self.integ = integ = 1
self.capture_file = capture_file = recfile
self.bp_high = bp_high = bp_low+bp_width
##################################################
# Blocks
##################################################
self._record_check_box = forms.check_box(
parent=self.GetWin(),
value=self.record,
callback=self.set_record,
label="Record",
true=True,
false=False,
)
self.GridAdd(self._record_check_box, 0, 1, 1, 1)
_integ_sizer = wx.BoxSizer(wx.VERTICAL)
self._integ_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_integ_sizer,
value=self.integ,
callback=self.set_integ,
label="Integration Time (Sec)",
converter=forms.float_converter(),
proportion=0,
)
self._integ_slider = forms.slider(
parent=self.GetWin(),
sizer=_integ_sizer,
value=self.integ,
callback=self.set_integ,
minimum=1,
maximum=30,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_integ_sizer)
self._capture_file_text_box = forms.text_box(
parent=self.GetWin(),
value=self.capture_file,
callback=self.set_capture_file,
label=" ",
converter=forms.str_converter(),
)
self.GridAdd(self._capture_file_text_box, 0, 2, 1, 1)
_bp_low_sizer = wx.BoxSizer(wx.VERTICAL)
self._bp_low_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_bp_low_sizer,
value=self.bp_low,
callback=self.set_bp_low,
label="Bandpass Low End",
converter=forms.int_converter(),
proportion=0,
)
self._bp_low_slider = forms.slider(
parent=self.GetWin(),
sizer=_bp_low_sizer,
value=self.bp_low,
callback=self.set_bp_low,
minimum=80e3,
maximum=100e3,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=int,
proportion=1,
)
self.Add(_bp_low_sizer)
self.wxgui_scopesink2_0_0 = scopesink2.scope_sink_f(
self.GetWin(),
title="count of LNBF beat frequency bins",
sample_rate=scope_rate,
v_scale=0,
v_offset=0,
t_scale=450,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_f(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=srate,
fft_size=2048,
fft_rate=15,
average=False,
avg_alpha=None,
title="Total Power FFT Spectrum",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.single_pole_iir_filter_xx_0 = filter.single_pole_iir_filter_ff(1.0/((srate/10)*integ), 1)
self.rtl2832_source_0 = baz.rtl_source_c(defer_creation=True, output_size=gr.sizeof_gr_complex)
self.rtl2832_source_0.set_verbose(True)
self.rtl2832_source_0.set_vid(0x0)
self.rtl2832_source_0.set_pid(0x0)
self.rtl2832_source_0.set_tuner_name("r820t")
self.rtl2832_source_0.set_default_timeout(0)
self.rtl2832_source_0.set_use_buffer(True)
self.rtl2832_source_0.set_fir_coefficients(([]))
self.rtl2832_source_0.set_read_length(0)
if self.rtl2832_source_0.create() == False: raise Exception("Failed to create RTL2832 Source: rtl2832_source_0")
self.rtl2832_source_0.set_sample_rate(scope_rate)
self.rtl2832_source_0.set_frequency(IF_lower_freq)
self.rtl2832_source_0.set_auto_gain_mode(True)
self.rtl2832_source_0.set_relative_gain(True)
self.rtl2832_source_0.set_gain(0)
self._realfreq_display_static_text = forms.static_text(
parent=self.GetWin(),
value=self.realfreq_display,
callback=self.set_realfreq_display,
label="Actual Frequency",
converter=forms.float_converter(),
)
self.GridAdd(self._realfreq_display_static_text, 0, 0, 1, 1)
self.low_pass_filter_0 = gr.fir_filter_fff(int(srate/24e4), firdes.low_pass(
1, srate, 200e3, 24e3, firdes.WIN_HAMMING, 6.76))
_freq_sizer = wx.BoxSizer(wx.VERTICAL)
self._freq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_freq_sizer,
value=self.freq,
callback=self.set_freq,
label="Frequency",
converter=forms.float_converter(),
proportion=0,
)
self._freq_slider = forms.slider(
parent=self.GetWin(),
sizer=_freq_sizer,
value=self.freq,
callback=self.set_freq,
minimum=950e6,
maximum=2150e6,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_freq_sizer)
self._bp_width_text_box = forms.text_box(
parent=self.GetWin(),
value=self.bp_width,
callback=self.set_bp_width,
label="BP Width",
converter=forms.int_converter(),
)
self.GridAdd(self._bp_width_text_box, 0, 4, 1, 1)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_float*1, int(srate/20))
self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_float*1, "/dev/null" if record == False else capture_file)
self.blocks_file_sink_1.set_unbuffered(True)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.band_pass_filter_0 = gr.fir_filter_fff(1, firdes.band_pass(
1, srate/5, bp_low, bp_high, 24e3, firdes.WIN_HAMMING, 6.76))
##################################################
# Connections
##################################################
self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.band_pass_filter_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.single_pole_iir_filter_xx_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.single_pole_iir_filter_xx_0, 0), (self.blocks_keep_one_in_n_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.wxgui_scopesink2_0_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.blocks_file_sink_1, 0))
self.connect((self.rtl2832_source_0, 0), (self.blocks_complex_to_mag_squared_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Fm Stereo Tx")
##################################################
# Variables
##################################################
self.st_gain = st_gain = 10
self.samp_rate = samp_rate = 195.312e3
self.pilot_gain = pilot_gain = 80e-3
self.mpx_rate = mpx_rate = 160e3
self.Mono_gain = Mono_gain = 300e-3
self.FM_freq = FM_freq = 96.5e6
##################################################
# Blocks
##################################################
_st_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._st_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_st_gain_sizer,
value=self.st_gain,
callback=self.set_st_gain,
label='st_gain',
converter=forms.float_converter(),
proportion=0,
)
self._st_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_st_gain_sizer,
value=self.st_gain,
callback=self.set_st_gain,
minimum=0,
maximum=100,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_st_gain_sizer)
_pilot_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._pilot_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_pilot_gain_sizer,
value=self.pilot_gain,
callback=self.set_pilot_gain,
label='pilot_gain',
converter=forms.float_converter(),
proportion=0,
)
self._pilot_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_pilot_gain_sizer,
value=self.pilot_gain,
callback=self.set_pilot_gain,
minimum=0,
maximum=1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_pilot_gain_sizer)
self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "FM")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "audio")
self.Add(self.notebook_0)
_Mono_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._Mono_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_Mono_gain_sizer,
value=self.Mono_gain,
callback=self.set_Mono_gain,
label='Mono_gain',
converter=forms.float_converter(),
proportion=0,
)
self._Mono_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_Mono_gain_sizer,
value=self.Mono_gain,
callback=self.set_Mono_gain,
minimum=0,
maximum=1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_Mono_gain_sizer)
_FM_freq_sizer = wx.BoxSizer(wx.VERTICAL)
self._FM_freq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_FM_freq_sizer,
value=self.FM_freq,
callback=self.set_FM_freq,
label='FM_freq',
converter=forms.float_converter(),
proportion=0,
)
self._FM_freq_slider = forms.slider(
parent=self.GetWin(),
sizer=_FM_freq_sizer,
value=self.FM_freq,
callback=self.set_FM_freq,
minimum=88e6,
maximum=108e6,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_FM_freq_sizer)
self.wxgui_fftsink2_1 = fftsink2.fft_sink_f(
self.notebook_0.GetPage(1).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.notebook_0.GetPage(1).Add(self.wxgui_fftsink2_1.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.notebook_0.GetPage(0).GetWin(),
baseband_freq=FM_freq,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.notebook_0.GetPage(0).Add(self.wxgui_fftsink2_0.win)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
device_addr="addr=192.168.10.2",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_center_freq(FM_freq, 0)
self.uhd_usrp_sink_0.set_gain(0, 0)
self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
self.low_pass_filter_0 = gr.fir_filter_fff(1, firdes.low_pass(
Mono_gain, mpx_rate, 15000, 2000, firdes.WIN_HAMMING, 6.76))
self.gr_vector_to_streams_0 = gr.vector_to_streams(gr.sizeof_short*1, 2)
self.gr_sub_xx_0 = gr.sub_ff(1)
self.gr_sig_source_x_1 = gr.sig_source_f(160000, gr.GR_SIN_WAVE, 19000, pilot_gain, 0)
self.gr_sig_source_x_0 = gr.sig_source_f(160000, gr.GR_SIN_WAVE, 38000, 30e-3, 0)
self.gr_short_to_float_1 = gr.short_to_float(1, 1)
self.gr_short_to_float_0 = gr.short_to_float(1, 1)
self.gr_multiply_xx_0 = gr.multiply_vff(1)
self.gr_multiply_const_vxx_2 = gr.multiply_const_vcc((32.768e3, ))
self.gr_multiply_const_vxx_1 = gr.multiply_const_vff((30e-6, ))
self.gr_multiply_const_vxx_0 = gr.multiply_const_vff((30e-6, ))
self.gr_frequency_modulator_fc_0 = gr.frequency_modulator_fc(980e-3)
self.gr_file_source_0 = gr.file_source(gr.sizeof_short*2, "/home/kranthi/Documents/project/FM Transceiver/FM Transmitter/test.raw", True)
self.gr_add_xx_1 = gr.add_vff(1)
self.gr_add_xx_0 = gr.add_vff(1)
self.blks2_rational_resampler_xxx_2 = blks2.rational_resampler_fff(
interpolation=4,
decimation=1,
taps=None,
fractional_bw=None,
)
self.blks2_rational_resampler_xxx_1 = blks2.rational_resampler_fff(
interpolation=5,
decimation=1,
taps=None,
fractional_bw=None,
)
self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_fff(
interpolation=5,
decimation=1,
taps=None,
fractional_bw=None,
)
self.blks2_fm_preemph_0 = blks2.fm_preemph(fs=mpx_rate, tau=50e-6)
self.band_pass_filter_0 = gr.fir_filter_fff(1, firdes.band_pass(
st_gain, mpx_rate, 23000, 53000, 2000, firdes.WIN_HAMMING, 6.76))
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_0, 0), (self.gr_vector_to_streams_0, 0))
self.connect((self.gr_vector_to_streams_0, 0), (self.gr_short_to_float_0, 0))
self.connect((self.gr_vector_to_streams_0, 1), (self.gr_short_to_float_1, 0))
self.connect((self.gr_short_to_float_0, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_short_to_float_1, 0), (self.gr_multiply_const_vxx_1, 0))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.blks2_rational_resampler_xxx_0, 0))
self.connect((self.gr_multiply_const_vxx_1, 0), (self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.blks2_rational_resampler_xxx_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.blks2_rational_resampler_xxx_0, 0), (self.gr_sub_xx_0, 1))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.gr_sub_xx_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0), (self.gr_add_xx_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_multiply_xx_0, 0))
self.connect((self.gr_sub_xx_0, 0), (self.gr_multiply_xx_0, 1))
self.connect((self.gr_multiply_xx_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.gr_sig_source_x_1, 0), (self.gr_add_xx_1, 0))
self.connect((self.band_pass_filter_0, 0), (self.gr_add_xx_1, 1))
self.connect((self.low_pass_filter_0, 0), (self.gr_add_xx_1, 2))
self.connect((self.gr_add_xx_1, 0), (self.blks2_fm_preemph_0, 0))
self.connect((self.blks2_fm_preemph_0, 0), (self.blks2_rational_resampler_xxx_2, 0))
self.connect((self.blks2_rational_resampler_xxx_2, 0), (self.gr_frequency_modulator_fc_0, 0))
self.connect((self.gr_frequency_modulator_fc_0, 0), (self.gr_multiply_const_vxx_2, 0))
self.connect((self.gr_multiply_const_vxx_2, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_2, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.gr_multiply_const_vxx_1, 0), (self.wxgui_fftsink2_1, 0))
def set_st_gain(self, st_gain): self.st_gain = st_gain self._st_gain_slider.set_value(self.st_gain) self._st_gain_text_box.set_value(self.st_gain) self.band_pass_filter_0.set_taps(firdes.band_pass(self.st_gain, self.mpx_rate, 23000, 53000, 2000, firdes.WIN_HAMMING, 6.76))
def set_mpx_rate(self, mpx_rate): self.mpx_rate = mpx_rate self.band_pass_filter_0.set_taps(firdes.band_pass(self.st_gain, self.mpx_rate, 23000, 53000, 2000, firdes.WIN_HAMMING, 6.76)) self.low_pass_filter_0.set_taps(firdes.low_pass(self.Mono_gain, self.mpx_rate, 15000, 2000, firdes.WIN_HAMMING, 6.76))
def set_bp_low(self, bp_low): self.bp_low = bp_low self.set_bp_high(self.bp_low+self.bp_width) self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.srate/5, self.bp_low, self.bp_high, 24e3, firdes.WIN_HAMMING, 6.76)) self._bp_low_slider.set_value(self.bp_low) self._bp_low_text_box.set_value(self.bp_low)
def set_samp_rate(self, samp_rate): self.samp_rate = samp_rate self.set_xlate_filter_taps(firdes.low_pass(1, self.samp_rate, 48000, 5000, firdes.WIN_HAMMING, 6.76)) self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.samp_rate, self.pass_low, self.pass_high, self.pass_trans, firdes.WIN_HAMMING, 6.76))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="Intensity Interferometer") _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png" self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY)) ################################################## # Variables ################################################## self.samp_rate = samp_rate = 250e3 self.magnitude = magnitude = 0.05 self.integ = integ = 1 self.beat = beat = 1 ################################################## # Blocks ################################################## _magnitude_sizer = wx.BoxSizer(wx.VERTICAL) self._magnitude_text_box = forms.text_box( parent=self.GetWin(), sizer=_magnitude_sizer, value=self.magnitude, callback=self.set_magnitude, label="Magnitude", converter=forms.float_converter(), proportion=0, ) self._magnitude_slider = forms.slider( parent=self.GetWin(), sizer=_magnitude_sizer, value=self.magnitude, callback=self.set_magnitude, minimum=0.05, maximum=0.5, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_magnitude_sizer) _integ_sizer = wx.BoxSizer(wx.VERTICAL) self._integ_text_box = forms.text_box( parent=self.GetWin(), sizer=_integ_sizer, value=self.integ, callback=self.set_integ, label="Integration Time (Sec)", converter=forms.float_converter(), proportion=0, ) self._integ_slider = forms.slider( parent=self.GetWin(), sizer=_integ_sizer, value=self.integ, callback=self.set_integ, minimum=1, maximum=30, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_integ_sizer) _beat_sizer = wx.BoxSizer(wx.VERTICAL) self._beat_text_box = forms.text_box( parent=self.GetWin(), sizer=_beat_sizer, value=self.beat, callback=self.set_beat, label="Beat Frequency (kHz)", converter=forms.float_converter(), proportion=0, ) self._beat_slider = forms.slider( parent=self.GetWin(), sizer=_beat_sizer, value=self.beat, callback=self.set_beat, minimum=1, maximum=10, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.Add(_beat_sizer) self.wxgui_scopesink2_0 = scopesink2.scope_sink_f( self.GetWin(), title="2nd detector power level", sample_rate=2, v_scale=0, v_offset=0, t_scale=450, ac_couple=False, xy_mode=False, num_inputs=1, trig_mode=gr.gr_TRIG_MODE_STRIPCHART, y_axis_label="Counts", ) self.Add(self.wxgui_scopesink2_0.win) self.wxgui_fftsink2_0 = fftsink2.fft_sink_f( self.GetWin(), baseband_freq=0, y_per_div=10, y_divs=10, ref_level=0, ref_scale=2.0, sample_rate=samp_rate/10, fft_size=1024, fft_rate=8, average=True, avg_alpha=0.1, title="First Detector Spectrum", peak_hold=False, ) self.Add(self.wxgui_fftsink2_0.win) self.single_pole_iir_filter_xx_0 = filter.single_pole_iir_filter_ff(1.0/((samp_rate/10)*integ), 1) self.low_pass_filter_0 = gr.fir_filter_fff(int(samp_rate/25e3), firdes.low_pass( 1, samp_rate, 11e3, 2.5e3, firdes.WIN_HAMMING, 6.76)) self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, samp_rate) self.blocks_multiply_xx_0 = blocks.multiply_vff(1) self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_float*1, int(samp_rate/20)) self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1) self.blocks_add_xx_0 = blocks.add_vcc(1) self.band_pass_filter_0 = gr.fir_filter_fff(1, firdes.band_pass( 1, samp_rate/10, (beat*1000)-100, (beat*1000)+100, 50, firdes.WIN_HAMMING, 6.76)) self.analog_sig_source_x_0_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, 122e3, magnitude, 0) self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, 122e3-(beat*1000), magnitude, 0) self.analog_noise_source_x_0 = analog.noise_source_c(analog.GR_GAUSSIAN, 0.2, 0) ################################################## # Connections ################################################## self.connect((self.analog_noise_source_x_0, 0), (self.blocks_add_xx_0, 2)) self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_add_xx_0, 1)) self.connect((self.analog_sig_source_x_0, 0), (self.blocks_add_xx_0, 0)) self.connect((self.blocks_add_xx_0, 0), (self.blocks_complex_to_mag_squared_0, 0)) self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.blocks_throttle_0, 0)) self.connect((self.low_pass_filter_0, 0), (self.band_pass_filter_0, 0)) self.connect((self.blocks_throttle_0, 0), (self.low_pass_filter_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.blocks_multiply_xx_0, 0)) self.connect((self.band_pass_filter_0, 0), (self.blocks_multiply_xx_0, 1)) self.connect((self.low_pass_filter_0, 0), (self.wxgui_fftsink2_0, 0)) self.connect((self.blocks_multiply_xx_0, 0), (self.single_pole_iir_filter_xx_0, 0)) self.connect((self.blocks_keep_one_in_n_0, 0), (self.wxgui_scopesink2_0, 0)) self.connect((self.single_pole_iir_filter_xx_0, 0), (self.blocks_keep_one_in_n_0, 0))
def __init__(self,
agc_max=100,
agc_decay=0.1,
freq_offset=1000000,
outfile="datafifo",
bandpass_bandwidth=20,
threshold_buffer=0.25,
threshold_center=0.5,
agc_attack=0.1,
bandpass_transition_width=1000000):
gr.top_block.__init__(self, "Collect")
##################################################
# Parameters
##################################################
self.agc_max = agc_max
self.agc_decay = agc_decay
self.freq_offset = freq_offset
self.outfile = outfile
self.bandpass_bandwidth = bandpass_bandwidth
self.threshold_buffer = threshold_buffer
self.threshold_center = threshold_center
self.agc_attack = agc_attack
self.bandpass_transition_width = bandpass_transition_width
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 64000000
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
io_type=uhd.io_type.COMPLEX_FLOAT32,
num_channels=1,
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(915000000 - freq_offset, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.gr_threshold_ff_0 = gr.threshold_ff(
threshold_center - threshold_buffer,
threshold_center + threshold_buffer, 0)
self.gr_map_bb_0 = gr.map_bb(([48, 49]))
self.gr_float_to_char_0 = gr.float_to_char()
self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char * 1, outfile)
self.gr_file_sink_0.set_unbuffered(False)
self.gr_complex_to_mag_0 = gr.complex_to_mag(1)
self.gr_agc2_xx_0_0 = gr.agc2_cc(agc_attack, agc_decay, 1.0, 1.0,
agc_max)
self.band_pass_filter_0 = gr.fir_filter_ccf(
1,
firdes.band_pass(1, samp_rate,
freq_offset - bandpass_bandwidth / 2,
freq_offset + bandpass_bandwidth / 2,
bandpass_transition_width, firdes.WIN_HAMMING,
6.76))
##################################################
# Connections
##################################################
self.connect((self.gr_float_to_char_0, 0), (self.gr_map_bb_0, 0))
self.connect((self.gr_map_bb_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.gr_agc2_xx_0_0, 0))
self.connect((self.gr_agc2_xx_0_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.gr_threshold_ff_0, 0), (self.gr_float_to_char_0, 0))
self.connect((self.gr_complex_to_mag_0, 0),
(self.gr_threshold_ff_0, 0))
self.connect((self.band_pass_filter_0, 0),
(self.gr_complex_to_mag_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Fm Stereo Tx")
##################################################
# Variables
##################################################
self.st_gain = st_gain = 10
self.samp_rate = samp_rate = 195.312e3
self.pilot_gain = pilot_gain = 80e-3
self.mpx_rate = mpx_rate = 160e3
self.Mono_gain = Mono_gain = 300e-3
self.FM_freq = FM_freq = 96.5e6
##################################################
# Blocks
##################################################
_st_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._st_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_st_gain_sizer,
value=self.st_gain,
callback=self.set_st_gain,
label='st_gain',
converter=forms.float_converter(),
proportion=0,
)
self._st_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_st_gain_sizer,
value=self.st_gain,
callback=self.set_st_gain,
minimum=0,
maximum=100,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_st_gain_sizer)
_pilot_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._pilot_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_pilot_gain_sizer,
value=self.pilot_gain,
callback=self.set_pilot_gain,
label='pilot_gain',
converter=forms.float_converter(),
proportion=0,
)
self._pilot_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_pilot_gain_sizer,
value=self.pilot_gain,
callback=self.set_pilot_gain,
minimum=0,
maximum=1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_pilot_gain_sizer)
self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(),
style=wx.NB_TOP)
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "FM")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "audio")
self.Add(self.notebook_0)
_Mono_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._Mono_gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_Mono_gain_sizer,
value=self.Mono_gain,
callback=self.set_Mono_gain,
label='Mono_gain',
converter=forms.float_converter(),
proportion=0,
)
self._Mono_gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_Mono_gain_sizer,
value=self.Mono_gain,
callback=self.set_Mono_gain,
minimum=0,
maximum=1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_Mono_gain_sizer)
_FM_freq_sizer = wx.BoxSizer(wx.VERTICAL)
self._FM_freq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_FM_freq_sizer,
value=self.FM_freq,
callback=self.set_FM_freq,
label='FM_freq',
converter=forms.float_converter(),
proportion=0,
)
self._FM_freq_slider = forms.slider(
parent=self.GetWin(),
sizer=_FM_freq_sizer,
value=self.FM_freq,
callback=self.set_FM_freq,
minimum=88e6,
maximum=108e6,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_FM_freq_sizer)
self.wxgui_fftsink2_1 = fftsink2.fft_sink_f(
self.notebook_0.GetPage(1).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.notebook_0.GetPage(1).Add(self.wxgui_fftsink2_1.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.notebook_0.GetPage(0).GetWin(),
baseband_freq=FM_freq,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=False,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.notebook_0.GetPage(0).Add(self.wxgui_fftsink2_0.win)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
device_addr="addr=192.168.10.2",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_center_freq(FM_freq, 0)
self.uhd_usrp_sink_0.set_gain(0, 0)
self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
self.low_pass_filter_0 = gr.fir_filter_fff(
1,
firdes.low_pass(Mono_gain, mpx_rate, 15000, 2000,
firdes.WIN_HAMMING, 6.76))
self.gr_vector_to_streams_0 = gr.vector_to_streams(
gr.sizeof_short * 1, 2)
self.gr_sub_xx_0 = gr.sub_ff(1)
self.gr_sig_source_x_1 = gr.sig_source_f(160000, gr.GR_SIN_WAVE, 19000,
pilot_gain, 0)
self.gr_sig_source_x_0 = gr.sig_source_f(160000, gr.GR_SIN_WAVE, 38000,
30e-3, 0)
self.gr_short_to_float_1 = gr.short_to_float(1, 1)
self.gr_short_to_float_0 = gr.short_to_float(1, 1)
self.gr_multiply_xx_0 = gr.multiply_vff(1)
self.gr_multiply_const_vxx_2 = gr.multiply_const_vcc((32.768e3, ))
self.gr_multiply_const_vxx_1 = gr.multiply_const_vff((30e-6, ))
self.gr_multiply_const_vxx_0 = gr.multiply_const_vff((30e-6, ))
self.gr_frequency_modulator_fc_0 = gr.frequency_modulator_fc(980e-3)
self.gr_file_source_0 = gr.file_source(
gr.sizeof_short * 2,
"/home/kranthi/Documents/project/FM Transceiver/FM Transmitter/test.raw",
True)
self.gr_add_xx_1 = gr.add_vff(1)
self.gr_add_xx_0 = gr.add_vff(1)
self.blks2_rational_resampler_xxx_2 = blks2.rational_resampler_fff(
interpolation=4,
decimation=1,
taps=None,
fractional_bw=None,
)
self.blks2_rational_resampler_xxx_1 = blks2.rational_resampler_fff(
interpolation=5,
decimation=1,
taps=None,
fractional_bw=None,
)
self.blks2_rational_resampler_xxx_0 = blks2.rational_resampler_fff(
interpolation=5,
decimation=1,
taps=None,
fractional_bw=None,
)
self.blks2_fm_preemph_0 = blks2.fm_preemph(fs=mpx_rate, tau=50e-6)
self.band_pass_filter_0 = gr.fir_filter_fff(
1,
firdes.band_pass(st_gain, mpx_rate, 23000, 53000, 2000,
firdes.WIN_HAMMING, 6.76))
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_0, 0),
(self.gr_vector_to_streams_0, 0))
self.connect((self.gr_vector_to_streams_0, 0),
(self.gr_short_to_float_0, 0))
self.connect((self.gr_vector_to_streams_0, 1),
(self.gr_short_to_float_1, 0))
self.connect((self.gr_short_to_float_0, 0),
(self.gr_multiply_const_vxx_0, 0))
self.connect((self.gr_short_to_float_1, 0),
(self.gr_multiply_const_vxx_1, 0))
self.connect((self.gr_multiply_const_vxx_0, 0),
(self.blks2_rational_resampler_xxx_0, 0))
self.connect((self.gr_multiply_const_vxx_1, 0),
(self.blks2_rational_resampler_xxx_1, 0))
self.connect((self.blks2_rational_resampler_xxx_0, 0),
(self.gr_add_xx_0, 1))
self.connect((self.blks2_rational_resampler_xxx_0, 0),
(self.gr_sub_xx_0, 1))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.gr_sub_xx_0, 0))
self.connect((self.blks2_rational_resampler_xxx_1, 0),
(self.gr_add_xx_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.gr_sig_source_x_0, 0), (self.gr_multiply_xx_0, 0))
self.connect((self.gr_sub_xx_0, 0), (self.gr_multiply_xx_0, 1))
self.connect((self.gr_multiply_xx_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.gr_sig_source_x_1, 0), (self.gr_add_xx_1, 0))
self.connect((self.band_pass_filter_0, 0), (self.gr_add_xx_1, 1))
self.connect((self.low_pass_filter_0, 0), (self.gr_add_xx_1, 2))
self.connect((self.gr_add_xx_1, 0), (self.blks2_fm_preemph_0, 0))
self.connect((self.blks2_fm_preemph_0, 0),
(self.blks2_rational_resampler_xxx_2, 0))
self.connect((self.blks2_rational_resampler_xxx_2, 0),
(self.gr_frequency_modulator_fc_0, 0))
self.connect((self.gr_frequency_modulator_fc_0, 0),
(self.gr_multiply_const_vxx_2, 0))
self.connect((self.gr_multiply_const_vxx_2, 0),
(self.uhd_usrp_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_2, 0),
(self.wxgui_fftsink2_0, 0))
self.connect((self.gr_multiply_const_vxx_1, 0),
(self.wxgui_fftsink2_1, 0))
def __init__(
self,
agc_max=100,
agc_decay=0.1,
freq_offset=1000000,
outfile="datafifo",
bandpass_bandwidth=20,
threshold_buffer=0.25,
threshold_center=0.5,
agc_attack=0.1,
bandpass_transition_width=1000000,
):
gr.top_block.__init__(self, "Collect")
##################################################
# Parameters
##################################################
self.agc_max = agc_max
self.agc_decay = agc_decay
self.freq_offset = freq_offset
self.outfile = outfile
self.bandpass_bandwidth = bandpass_bandwidth
self.threshold_buffer = threshold_buffer
self.threshold_center = threshold_center
self.agc_attack = agc_attack
self.bandpass_transition_width = bandpass_transition_width
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 64000000
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(device_addr="", io_type=uhd.io_type.COMPLEX_FLOAT32, num_channels=1)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(915000000 - freq_offset, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.gr_threshold_ff_0 = gr.threshold_ff(
threshold_center - threshold_buffer, threshold_center + threshold_buffer, 0
)
self.gr_map_bb_0 = gr.map_bb(([48, 49]))
self.gr_float_to_char_0 = gr.float_to_char()
self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char * 1, outfile)
self.gr_file_sink_0.set_unbuffered(False)
self.gr_complex_to_mag_0 = gr.complex_to_mag(1)
self.gr_agc2_xx_0_0 = gr.agc2_cc(agc_attack, agc_decay, 1.0, 1.0, agc_max)
self.band_pass_filter_0 = gr.fir_filter_ccf(
1,
firdes.band_pass(
1,
samp_rate,
freq_offset - bandpass_bandwidth / 2,
freq_offset + bandpass_bandwidth / 2,
bandpass_transition_width,
firdes.WIN_HAMMING,
6.76,
),
)
##################################################
# Connections
##################################################
self.connect((self.gr_float_to_char_0, 0), (self.gr_map_bb_0, 0))
self.connect((self.gr_map_bb_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.gr_agc2_xx_0_0, 0))
self.connect((self.gr_agc2_xx_0_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.gr_threshold_ff_0, 0), (self.gr_float_to_char_0, 0))
self.connect((self.gr_complex_to_mag_0, 0), (self.gr_threshold_ff_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.gr_complex_to_mag_0, 0))
def set_pass_high(self, pass_high): self.pass_high = pass_high self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.samp_rate, self.pass_low, self.pass_high, self.pass_trans, firdes.WIN_HAMMING, 6.76))
def __init__(self, devid="type=b100", rdsfile="rds_fifo", gain=35.0, freq=101.1e6, xmlport=13777, arate=int(48e3), mute=-15.0, ftune=0, ant="J1", subdev="A:0", ahw="pulse", deemph=75.0e-6, prenames='["UWRF","89.3","950","WEVR"]', prefreqs="[88.715e6,89.3e6,950.735e6,106.317e6]", volume=1.0):
grc_wxgui.top_block_gui.__init__(self, title="Simple FM (Stereo) Receiver")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.devid = devid
self.rdsfile = rdsfile
self.gain = gain
self.freq = freq
self.xmlport = xmlport
self.arate = arate
self.mute = mute
self.ftune = ftune
self.ant = ant
self.subdev = subdev
self.ahw = ahw
self.deemph = deemph
self.prenames = prenames
self.prefreqs = prefreqs
self.volume = volume
##################################################
# Variables
##################################################
self.pthresh = pthresh = 350
self.preselect = preselect = eval(prefreqs)[0]
self.pilot_level = pilot_level = 0
self.ifreq = ifreq = freq
self.stpilotdet = stpilotdet = True if (pilot_level > pthresh) else False
self.stereo = stereo = True
self.rf_pwr_lvl = rf_pwr_lvl = 0
self.cur_freq = cur_freq = simple_fm_helper.freq_select(ifreq,preselect)
self.vol = vol = volume
self.variable_static_text_0 = variable_static_text_0 = 10.0*math.log(rf_pwr_lvl+1.0e-11)/math.log(10)
self.tone_med = tone_med = 5
self.tone_low = tone_low = 5
self.tone_high = tone_high = 5
self.stereo_0 = stereo_0 = stpilotdet
self.st_enabled = st_enabled = 1 if (stereo == True and pilot_level > pthresh) else 0
self.squelch_probe = squelch_probe = 0
self.sq_thresh = sq_thresh = mute
self.samp_rate = samp_rate = 250e3
self.rtext_0 = rtext_0 = cur_freq
self.record = record = False
self.rdsrate = rdsrate = 25e3
self.osmo_taps = osmo_taps = firdes.low_pass(1.0,1.00e6,95e3,20e3,firdes.WIN_HAMMING,6.76)
self.mod_reset = mod_reset = 0
self.igain = igain = gain
self.fine = fine = ftune
self.farate = farate = arate
self.dm = dm = deemph
self.discrim_dc = discrim_dc = 0
self.capture_file = capture_file = "capture.wav"
self.asrate = asrate = 125e3
##################################################
# Blocks
##################################################
_sq_thresh_sizer = wx.BoxSizer(wx.VERTICAL)
self._sq_thresh_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_sq_thresh_sizer,
value=self.sq_thresh,
callback=self.set_sq_thresh,
label="Mute Level",
converter=forms.float_converter(),
proportion=0,
)
self._sq_thresh_slider = forms.slider(
parent=self.GetWin(),
sizer=_sq_thresh_sizer,
value=self.sq_thresh,
callback=self.set_sq_thresh,
minimum=-30.0,
maximum=-5.0,
num_steps=40,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_sq_thresh_sizer, 1, 5, 1, 1)
self.input_power = gr.probe_avg_mag_sqrd_c(sq_thresh, 1.0/(samp_rate/10))
self.dc_level = gr.probe_signal_f()
_vol_sizer = wx.BoxSizer(wx.VERTICAL)
self._vol_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_vol_sizer,
value=self.vol,
callback=self.set_vol,
label="Volume",
converter=forms.float_converter(),
proportion=0,
)
self._vol_slider = forms.slider(
parent=self.GetWin(),
sizer=_vol_sizer,
value=self.vol,
callback=self.set_vol,
minimum=0,
maximum=11,
num_steps=110,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_vol_sizer, 0, 3, 1, 1)
_tone_med_sizer = wx.BoxSizer(wx.VERTICAL)
self._tone_med_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_tone_med_sizer,
value=self.tone_med,
callback=self.set_tone_med,
label="1Khz-4Khz",
converter=forms.float_converter(),
proportion=0,
)
self._tone_med_slider = forms.slider(
parent=self.GetWin(),
sizer=_tone_med_sizer,
value=self.tone_med,
callback=self.set_tone_med,
minimum=0,
maximum=10,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_tone_med_sizer, 1, 3, 1, 1)
_tone_low_sizer = wx.BoxSizer(wx.VERTICAL)
self._tone_low_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_tone_low_sizer,
value=self.tone_low,
callback=self.set_tone_low,
label="0-1Khz",
converter=forms.float_converter(),
proportion=0,
)
self._tone_low_slider = forms.slider(
parent=self.GetWin(),
sizer=_tone_low_sizer,
value=self.tone_low,
callback=self.set_tone_low,
minimum=0,
maximum=10,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_tone_low_sizer, 1, 2, 1, 1)
_tone_high_sizer = wx.BoxSizer(wx.VERTICAL)
self._tone_high_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_tone_high_sizer,
value=self.tone_high,
callback=self.set_tone_high,
label="4Khz-15Khz",
converter=forms.float_converter(),
proportion=0,
)
self._tone_high_slider = forms.slider(
parent=self.GetWin(),
sizer=_tone_high_sizer,
value=self.tone_high,
callback=self.set_tone_high,
minimum=0,
maximum=10,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_tone_high_sizer, 1, 4, 1, 1)
def _squelch_probe_probe():
while True:
val = self.input_power.unmuted()
try: self.set_squelch_probe(val)
except AttributeError, e: pass
time.sleep(1.0/(10))
_squelch_probe_thread = threading.Thread(target=_squelch_probe_probe)
_squelch_probe_thread.daemon = True
_squelch_probe_thread.start()
self._record_check_box = forms.check_box(
parent=self.GetWin(),
value=self.record,
callback=self.set_record,
label="Record Audio",
true=True,
false=False,
)
self.GridAdd(self._record_check_box, 2, 2, 1, 1)
self.pilot_probe = gr.probe_signal_f()
_fine_sizer = wx.BoxSizer(wx.VERTICAL)
self._fine_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_fine_sizer,
value=self.fine,
callback=self.set_fine,
label="Fine Tuning",
converter=forms.float_converter(),
proportion=0,
)
self._fine_slider = forms.slider(
parent=self.GetWin(),
sizer=_fine_sizer,
value=self.fine,
callback=self.set_fine,
minimum=-50.0e3,
maximum=50.e03,
num_steps=400,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_fine_sizer, 1, 0, 1, 1)
def _discrim_dc_probe():
while True:
val = self.dc_level.level()
try: self.set_discrim_dc(val)
except AttributeError, e: pass
time.sleep(1.0/(2.5))
_discrim_dc_thread = threading.Thread(target=_discrim_dc_probe)
_discrim_dc_thread.daemon = True
_discrim_dc_thread.start()
self._capture_file_text_box = forms.text_box(
parent=self.GetWin(),
value=self.capture_file,
callback=self.set_capture_file,
label="Record Filename",
converter=forms.str_converter(),
)
self.GridAdd(self._capture_file_text_box, 2, 0, 1, 2)
self.Main = self.Main = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.Main.AddPage(grc_wxgui.Panel(self.Main), "L/R")
self.Main.AddPage(grc_wxgui.Panel(self.Main), "FM Demod Spectrum")
self.Add(self.Main)
self.wxgui_waterfallsink2_0 = waterfallsink2.waterfall_sink_c(
self.GetWin(),
baseband_freq=0,
dynamic_range=100,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=512,
fft_rate=15,
average=False,
avg_alpha=None,
title="Waterfall Plot",
)
self.Add(self.wxgui_waterfallsink2_0.win)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.Main.GetPage(0).GetWin(),
title="Audio Channels (L and R)",
sample_rate=farate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=2,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Rel. Audio Level",
)
self.Main.GetPage(0).Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_f(
self.Main.GetPage(1).GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=asrate,
fft_size=1024,
fft_rate=6,
average=True,
avg_alpha=0.1,
title="FM Demod Spectrum",
peak_hold=False,
)
self.Main.GetPage(1).Add(self.wxgui_fftsink2_0.win)
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="RF Power ",
converter=forms.float_converter(formatter=lambda x: "%4.1f" % x),
)
self.GridAdd(self._variable_static_text_0_static_text, 0, 2, 1, 1)
self._stereo_0_check_box = forms.check_box(
parent=self.GetWin(),
value=self.stereo_0,
callback=self.set_stereo_0,
label="Stereo Detect",
true=True,
false=False,
)
self.GridAdd(self._stereo_0_check_box, 2, 5, 1, 1)
self._stereo_check_box = forms.check_box(
parent=self.GetWin(),
value=self.stereo,
callback=self.set_stereo,
label="Stereo",
true=True,
false=False,
)
self.GridAdd(self._stereo_check_box, 2, 4, 1, 1)
self.rtl2832_source_0 = baz.rtl_source_c(defer_creation=True)
self.rtl2832_source_0.set_verbose(True)
self.rtl2832_source_0.set_vid(0x0)
self.rtl2832_source_0.set_pid(0x0)
self.rtl2832_source_0.set_tuner_name("")
self.rtl2832_source_0.set_default_timeout(0)
self.rtl2832_source_0.set_use_buffer(True)
self.rtl2832_source_0.set_fir_coefficients(([]))
if self.rtl2832_source_0.create() == False: raise Exception("Failed to create RTL2832 Source: rtl2832_source_0")
self.rtl2832_source_0.set_sample_rate(1.0e6)
self.rtl2832_source_0.set_frequency(cur_freq+200e3)
self.rtl2832_source_0.set_auto_gain_mode(False)
self.rtl2832_source_0.set_relative_gain(True)
self.rtl2832_source_0.set_gain(gain)
self._rtext_0_static_text = forms.static_text(
parent=self.GetWin(),
value=self.rtext_0,
callback=self.set_rtext_0,
label="CURRENT FREQUENCY>>",
converter=forms.float_converter(),
)
self.GridAdd(self._rtext_0_static_text, 0, 1, 1, 1)
def _rf_pwr_lvl_probe():
while True:
val = self.input_power.level()
try: self.set_rf_pwr_lvl(val)
except AttributeError, e: pass
time.sleep(1.0/(2))
_rf_pwr_lvl_thread = threading.Thread(target=_rf_pwr_lvl_probe)
_rf_pwr_lvl_thread.daemon = True
_rf_pwr_lvl_thread.start()
self._preselect_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.preselect,
callback=self.set_preselect,
label='preselect',
choices=eval(prefreqs),
labels=eval(prenames),
style=wx.RA_HORIZONTAL,
)
self.GridAdd(self._preselect_chooser, 0, 4, 1, 1)
def _pilot_level_probe():
while True:
val = self.pilot_probe.level()
try: self.set_pilot_level(val)
except AttributeError, e: pass
time.sleep(1.0/(5))
_pilot_level_thread = threading.Thread(target=_pilot_level_probe)
_pilot_level_thread.daemon = True
_pilot_level_thread.start()
self.low_pass_filter_3 = gr.fir_filter_fff(1, firdes.low_pass(
3, asrate/500, 10, 3, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_2 = gr.fir_filter_fff(10, firdes.low_pass(
3, asrate/50, 100, 30, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_1 = gr.fir_filter_fff(10, firdes.low_pass(
3, asrate/5, 1e3, 200, firdes.WIN_HAMMING, 6.76))
self.low_pass_filter_0 = gr.fir_filter_fff(5, firdes.low_pass(
3, asrate, 10e3, 2e3, firdes.WIN_HAMMING, 6.76))
_igain_sizer = wx.BoxSizer(wx.VERTICAL)
self._igain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_igain_sizer,
value=self.igain,
callback=self.set_igain,
label="RF Gain",
converter=forms.float_converter(),
proportion=0,
)
self._igain_slider = forms.slider(
parent=self.GetWin(),
sizer=_igain_sizer,
value=self.igain,
callback=self.set_igain,
minimum=0,
maximum=50,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_igain_sizer, 1, 1, 1, 1)
_ifreq_sizer = wx.BoxSizer(wx.VERTICAL)
self._ifreq_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_ifreq_sizer,
value=self.ifreq,
callback=self.set_ifreq,
label="Center Frequency",
converter=forms.float_converter(),
proportion=0,
)
self._ifreq_slider = forms.slider(
parent=self.GetWin(),
sizer=_ifreq_sizer,
value=self.ifreq,
callback=self.set_ifreq,
minimum=88.1e6,
maximum=108.1e6,
num_steps=200,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_ifreq_sizer, 0, 0, 1, 1)
self.gr_wavfile_sink_0 = gr.wavfile_sink("/dev/null" if record == False else capture_file, 2, int(farate), 16)
self.gr_sub_xx_0 = gr.sub_ff(1)
self.gr_single_pole_iir_filter_xx_1 = gr.single_pole_iir_filter_ff(2.5/(asrate/500), 1)
self.gr_single_pole_iir_filter_xx_0 = gr.single_pole_iir_filter_ff(1.0/(asrate/3), 1)
self.gr_multiply_xx_1 = gr.multiply_vff(1)
self.gr_multiply_xx_0_0 = gr.multiply_vff(1)
self.gr_multiply_xx_0 = gr.multiply_vff(1)
self.gr_multiply_const_vxx_3 = gr.multiply_const_vff((3.16e3 if st_enabled else 0, ))
self.gr_multiply_const_vxx_2 = gr.multiply_const_vff((1.0 if st_enabled else 1.414, ))
self.gr_multiply_const_vxx_1_0 = gr.multiply_const_vff((0 if st_enabled else 1, ))
self.gr_multiply_const_vxx_1 = gr.multiply_const_vff((0 if squelch_probe == 0 else 1.0, ))
self.gr_multiply_const_vxx_0_0 = gr.multiply_const_vff((vol*1.5*10.0, ))
self.gr_multiply_const_vxx_0 = gr.multiply_const_vff((vol*1.5*10.0 if st_enabled else 0, ))
self.gr_keep_one_in_n_0 = gr.keep_one_in_n(gr.sizeof_float*1, int(asrate/3))
self.gr_freq_xlating_fir_filter_xxx_0 = gr.freq_xlating_fir_filter_ccc(4, (osmo_taps), 200e3+fine+(-12e3*discrim_dc), 1.0e6)
self.gr_fractional_interpolator_xx_0_0 = gr.fractional_interpolator_ff(0, asrate/farate)
self.gr_fractional_interpolator_xx_0 = gr.fractional_interpolator_ff(0, asrate/farate)
self.gr_fft_filter_xxx_1_0_0 = gr.fft_filter_fff(1, (firdes.band_pass(tone_high/10.0,asrate,3.5e3,15.0e3,5.0e3,firdes.WIN_HAMMING)), 1)
self.gr_fft_filter_xxx_1_0 = gr.fft_filter_fff(1, (firdes.band_pass(tone_med/10.0,asrate,1.0e3,4.0e3,2.0e3,firdes.WIN_HAMMING)), 1)
self.gr_fft_filter_xxx_1 = gr.fft_filter_fff(1, (firdes.low_pass(tone_low/10.0,asrate,1.2e3,500,firdes.WIN_HAMMING)), 1)
self.gr_fft_filter_xxx_0_0_0 = gr.fft_filter_fff(1, (firdes.band_pass(tone_high/10.0,asrate,3.5e3,13.5e3,3.5e3,firdes.WIN_HAMMING)), 1)
self.gr_fft_filter_xxx_0_0 = gr.fft_filter_fff(1, (firdes.band_pass(tone_med/10.0,asrate,1.0e3,4.0e3,2.0e3,firdes.WIN_HAMMING)), 1)
self.gr_fft_filter_xxx_0 = gr.fft_filter_fff(1, (firdes.low_pass(tone_low/10.0,asrate,1.2e3,500,firdes.WIN_HAMMING)), 1)
self.gr_divide_xx_0 = gr.divide_ff(1)
self.gr_agc_xx_1 = gr.agc_cc(1e-2, 0.35, 1.0, 5000)
self.gr_add_xx_2_0 = gr.add_vff(1)
self.gr_add_xx_2 = gr.add_vff(1)
self.gr_add_xx_1 = gr.add_vff(1)
self.gr_add_xx_0 = gr.add_vff(1)
self.gr_add_const_vxx_0 = gr.add_const_vff((1.0e-7, ))
self._dm_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.dm,
callback=self.set_dm,
label="FM Deemphasis",
choices=[75.0e-6, 50.0e-6],
labels=["NA", "EU"],
style=wx.RA_HORIZONTAL,
)
self.GridAdd(self._dm_chooser, 0, 5, 1, 1)
self.blks2_wfm_rcv_0 = blks2.wfm_rcv(
quad_rate=samp_rate,
audio_decimation=2,
)
self.blks2_fm_deemph_0_0 = blks2.fm_deemph(fs=farate, tau=deemph)
self.blks2_fm_deemph_0 = blks2.fm_deemph(fs=farate, tau=deemph)
self.band_pass_filter_2_0 = gr.fir_filter_fff(1, firdes.band_pass(
20, asrate, 17.5e3, 17.9e3, 250, firdes.WIN_HAMMING, 6.76))
self.band_pass_filter_2 = gr.fir_filter_fff(1, firdes.band_pass(
10, asrate, 18.8e3, 19.2e3, 350, firdes.WIN_HAMMING, 6.76))
self.band_pass_filter_0_0 = gr.fir_filter_fff(1, firdes.band_pass(
1, asrate, 38e3-(15e3), 38e3+(15e3), 4.0e3, firdes.WIN_HAMMING, 6.76))
self.audio_sink_0 = audio.sink(int(farate), "" if ahw == "Default" else ahw, True)
##################################################
# Connections
##################################################
self.connect((self.gr_add_xx_1, 0), (self.gr_fractional_interpolator_xx_0, 0))
self.connect((self.gr_sub_xx_0, 0), (self.gr_fractional_interpolator_xx_0_0, 0))
self.connect((self.band_pass_filter_0_0, 0), (self.gr_multiply_xx_1, 0))
self.connect((self.gr_multiply_const_vxx_1_0, 0), (self.gr_add_xx_0, 0))
self.connect((self.band_pass_filter_2_0, 0), (self.gr_multiply_xx_0, 0))
self.connect((self.band_pass_filter_2_0, 0), (self.gr_multiply_xx_0, 1))
self.connect((self.gr_multiply_xx_0_0, 0), (self.gr_divide_xx_0, 0))
self.connect((self.gr_divide_xx_0, 0), (self.gr_single_pole_iir_filter_xx_0, 0))
self.connect((self.gr_multiply_xx_0, 0), (self.gr_add_const_vxx_0, 0))
self.connect((self.gr_add_const_vxx_0, 0), (self.gr_divide_xx_0, 1))
self.connect((self.gr_single_pole_iir_filter_xx_0, 0), (self.gr_keep_one_in_n_0, 0))
self.connect((self.gr_keep_one_in_n_0, 0), (self.pilot_probe, 0))
self.connect((self.band_pass_filter_2, 0), (self.gr_multiply_xx_1, 2))
self.connect((self.band_pass_filter_2, 0), (self.gr_multiply_xx_0_0, 0))
self.connect((self.gr_multiply_const_vxx_2, 0), (self.gr_add_xx_1, 0))
self.connect((self.gr_multiply_const_vxx_2, 0), (self.gr_sub_xx_0, 0))
self.connect((self.gr_multiply_const_vxx_3, 0), (self.gr_sub_xx_0, 1))
self.connect((self.gr_multiply_const_vxx_3, 0), (self.gr_add_xx_1, 1))
self.connect((self.gr_fractional_interpolator_xx_0, 0), (self.gr_multiply_const_vxx_0_0, 0))
self.connect((self.gr_fractional_interpolator_xx_0_0, 0), (self.gr_multiply_const_vxx_0, 0))
self.connect((self.band_pass_filter_2, 0), (self.gr_multiply_xx_1, 1))
self.connect((self.gr_multiply_xx_1, 0), (self.gr_fft_filter_xxx_0, 0))
self.connect((self.gr_fft_filter_xxx_1, 0), (self.gr_add_xx_2, 0))
self.connect((self.gr_fft_filter_xxx_1_0, 0), (self.gr_add_xx_2, 1))
self.connect((self.gr_fft_filter_xxx_1_0_0, 0), (self.gr_add_xx_2, 2))
self.connect((self.gr_add_xx_2, 0), (self.gr_multiply_const_vxx_2, 0))
self.connect((self.gr_add_xx_2_0, 0), (self.gr_multiply_const_vxx_3, 0))
self.connect((self.gr_fft_filter_xxx_0, 0), (self.gr_add_xx_2_0, 0))
self.connect((self.gr_fft_filter_xxx_0_0, 0), (self.gr_add_xx_2_0, 1))
self.connect((self.gr_multiply_xx_1, 0), (self.gr_fft_filter_xxx_0_0, 0))
self.connect((self.gr_fft_filter_xxx_0_0_0, 0), (self.gr_add_xx_2_0, 2))
self.connect((self.gr_multiply_xx_1, 0), (self.gr_fft_filter_xxx_0_0_0, 0))
self.connect((self.blks2_fm_deemph_0, 0), (self.gr_multiply_const_vxx_1_0, 0))
self.connect((self.blks2_fm_deemph_0, 0), (self.gr_wavfile_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_1, 0), (self.gr_fft_filter_xxx_1, 0))
self.connect((self.gr_multiply_const_vxx_1, 0), (self.gr_fft_filter_xxx_1_0, 0))
self.connect((self.gr_multiply_const_vxx_1, 0), (self.gr_fft_filter_xxx_1_0_0, 0))
self.connect((self.gr_multiply_const_vxx_1, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.gr_multiply_const_vxx_0_0, 0), (self.blks2_fm_deemph_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.audio_sink_0, 1))
self.connect((self.gr_multiply_const_vxx_0, 0), (self.blks2_fm_deemph_0_0, 0))
self.connect((self.blks2_fm_deemph_0_0, 0), (self.gr_add_xx_0, 1))
self.connect((self.band_pass_filter_2, 0), (self.gr_multiply_xx_0_0, 1))
self.connect((self.gr_multiply_const_vxx_1, 0), (self.band_pass_filter_2, 0))
self.connect((self.blks2_fm_deemph_0, 0), (self.audio_sink_0, 0))
self.connect((self.gr_multiply_const_vxx_1, 0), (self.band_pass_filter_2_0, 0))
self.connect((self.gr_multiply_const_vxx_1, 0), (self.band_pass_filter_0_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.gr_wavfile_sink_0, 1))
self.connect((self.blks2_fm_deemph_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.gr_add_xx_0, 0), (self.wxgui_scopesink2_0, 1))
self.connect((self.blks2_wfm_rcv_0, 0), (self.gr_multiply_const_vxx_1, 0))
self.connect((self.gr_agc_xx_1, 0), (self.blks2_wfm_rcv_0, 0))
self.connect((self.gr_freq_xlating_fir_filter_xxx_0, 0), (self.gr_agc_xx_1, 0))
self.connect((self.gr_freq_xlating_fir_filter_xxx_0, 0), (self.input_power, 0))
self.connect((self.blks2_wfm_rcv_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.low_pass_filter_1, 0))
self.connect((self.low_pass_filter_1, 0), (self.low_pass_filter_2, 0))
self.connect((self.low_pass_filter_2, 0), (self.low_pass_filter_3, 0))
self.connect((self.gr_single_pole_iir_filter_xx_1, 0), (self.dc_level, 0))
self.connect((self.low_pass_filter_3, 0), (self.gr_single_pole_iir_filter_xx_1, 0))
self.connect((self.rtl2832_source_0, 0), (self.gr_freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.gr_freq_xlating_fir_filter_xxx_0, 0), (self.wxgui_waterfallsink2_0, 0))
def set_bp_high(self, bp_high): self.bp_high = bp_high self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.srate/5, self.bp_low, self.bp_high, 24e3, firdes.WIN_HAMMING, 6.76))
def set_tone_med(self, tone_med): self.tone_med = tone_med self.gr_fft_filter_xxx_1_0.set_taps((firdes.band_pass(self.tone_med/10.0,self.asrate,1.0e3,4.0e3,2.0e3,firdes.WIN_HAMMING))) self._tone_med_slider.set_value(self.tone_med) self._tone_med_text_box.set_value(self.tone_med) self.gr_fft_filter_xxx_0_0.set_taps((firdes.band_pass(self.tone_med/10.0,self.asrate,1.0e3,4.0e3,2.0e3,firdes.WIN_HAMMING)))
def set_tone_high(self, tone_high): self.tone_high = tone_high self.gr_fft_filter_xxx_1_0_0.set_taps((firdes.band_pass(self.tone_high/10.0,self.asrate,3.5e3,15.0e3,5.0e3,firdes.WIN_HAMMING))) self._tone_high_slider.set_value(self.tone_high) self._tone_high_text_box.set_value(self.tone_high) self.gr_fft_filter_xxx_0_0_0.set_taps((firdes.band_pass(self.tone_high/10.0,self.asrate,3.5e3,13.5e3,3.5e3,firdes.WIN_HAMMING)))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self,
title="Intensity Interferometer")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 250e3
self.magnitude = magnitude = 0.05
self.integ = integ = 1
self.beat = beat = 1
##################################################
# Blocks
##################################################
_magnitude_sizer = wx.BoxSizer(wx.VERTICAL)
self._magnitude_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_magnitude_sizer,
value=self.magnitude,
callback=self.set_magnitude,
label="Magnitude",
converter=forms.float_converter(),
proportion=0,
)
self._magnitude_slider = forms.slider(
parent=self.GetWin(),
sizer=_magnitude_sizer,
value=self.magnitude,
callback=self.set_magnitude,
minimum=0.05,
maximum=0.5,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_magnitude_sizer)
_integ_sizer = wx.BoxSizer(wx.VERTICAL)
self._integ_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_integ_sizer,
value=self.integ,
callback=self.set_integ,
label="Integration Time (Sec)",
converter=forms.float_converter(),
proportion=0,
)
self._integ_slider = forms.slider(
parent=self.GetWin(),
sizer=_integ_sizer,
value=self.integ,
callback=self.set_integ,
minimum=1,
maximum=30,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_integ_sizer)
_beat_sizer = wx.BoxSizer(wx.VERTICAL)
self._beat_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_beat_sizer,
value=self.beat,
callback=self.set_beat,
label="Beat Frequency (kHz)",
converter=forms.float_converter(),
proportion=0,
)
self._beat_slider = forms.slider(
parent=self.GetWin(),
sizer=_beat_sizer,
value=self.beat,
callback=self.set_beat,
minimum=1,
maximum=10,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_beat_sizer)
self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
self.GetWin(),
title="2nd detector power level",
sample_rate=2,
v_scale=0,
v_offset=0,
t_scale=450,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_STRIPCHART,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0.win)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_f(
self.GetWin(),
baseband_freq=0,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate / 10,
fft_size=1024,
fft_rate=8,
average=True,
avg_alpha=0.1,
title="First Detector Spectrum",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.single_pole_iir_filter_xx_0 = filter.single_pole_iir_filter_ff(
1.0 / ((samp_rate / 10) * integ), 1)
self.low_pass_filter_0 = gr.fir_filter_fff(
int(samp_rate / 25e3),
firdes.low_pass(1, samp_rate, 11e3, 2.5e3, firdes.WIN_HAMMING,
6.76))
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1,
samp_rate)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(
gr.sizeof_float * 1, int(samp_rate / 20))
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.band_pass_filter_0 = gr.fir_filter_fff(
1,
firdes.band_pass(1, samp_rate / 10, (beat * 1000) - 100,
(beat * 1000) + 100, 50, firdes.WIN_HAMMING,
6.76))
self.analog_sig_source_x_0_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, 122e3, magnitude, 0)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, 122e3 - (beat * 1000), magnitude, 0)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN, 0.2, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 2))
self.connect((self.analog_sig_source_x_0_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0),
(self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.band_pass_filter_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.band_pass_filter_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.low_pass_filter_0, 0), (self.wxgui_fftsink2_0, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.single_pole_iir_filter_xx_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0),
(self.wxgui_scopesink2_0, 0))
self.connect((self.single_pole_iir_filter_xx_0, 0),
(self.blocks_keep_one_in_n_0, 0))
def set_beat(self, beat): self.beat = beat self._beat_slider.set_value(self.beat) self._beat_text_box.set_value(self.beat) self.band_pass_filter_0.set_taps(firdes.band_pass(1, self.samp_rate/10, (self.beat*1000)-100, (self.beat*1000)+100, 50, firdes.WIN_HAMMING, 6.76)) self.analog_sig_source_x_0.set_frequency(122e3-(self.beat*1000))
