diff options
Diffstat (limited to 'gr-noaa/apps/file_rx_lrit.py')
| -rwxr-xr-x | gr-noaa/apps/file_rx_lrit.py | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/gr-noaa/apps/file_rx_lrit.py b/gr-noaa/apps/file_rx_lrit.py deleted file mode 100755 index 9a50631f7..000000000 --- a/gr-noaa/apps/file_rx_lrit.py +++ /dev/null @@ -1,337 +0,0 @@ -#!/usr/bin/env python -################################################## -# Gnuradio Python Flow Graph -# Title: LRIT Receiver (from capture file) -# Generated: Wed Dec 16 09:16:13 2009 -################################################## - -from gnuradio import eng_notation -from gnuradio import gr -from gnuradio import window -from gnuradio.eng_option import eng_option -from gnuradio.gr import firdes -from gnuradio.wxgui import fftsink2 -from gnuradio.wxgui import forms -from gnuradio.wxgui import scopesink2 -from grc_gnuradio import wxgui as grc_wxgui -from optparse import OptionParser -import ConfigParser -import os -import wx - -class file_rx_lrit(grc_wxgui.top_block_gui): - - def __init__(self, decim=160): - grc_wxgui.top_block_gui.__init__(self, title="LRIT Receiver (from capture file)") - - ################################################## - # Parameters - ################################################## - self.decim = decim - - ################################################## - # Variables - ################################################## - self.config_filename = config_filename = os.environ['HOME']+'/.gnuradio/config.conf' - self.symbol_rate = symbol_rate = 293e3 - self._saved_gain_mu_config = ConfigParser.ConfigParser() - self._saved_gain_mu_config.read(config_filename) - try: saved_gain_mu = self._saved_gain_mu_config.getfloat('usrp_rx_lrit', 'gain_mu') - except: saved_gain_mu = 0.2 - self.saved_gain_mu = saved_gain_mu - self._saved_costas_alpha_config = ConfigParser.ConfigParser() - self._saved_costas_alpha_config.read(config_filename) - try: saved_costas_alpha = self._saved_costas_alpha_config.getfloat('usrp_rx_lrit', 'costas_alpha') - except: saved_costas_alpha = 0.2 - self.saved_costas_alpha = saved_costas_alpha - self.sample_rate = sample_rate = 64e6/decim - self.sps = sps = sample_rate/symbol_rate - self.gain_mu = gain_mu = saved_gain_mu - self.costas_alpha = costas_alpha = saved_costas_alpha - - ################################################## - # Notebooks - ################################################## - self.displays = wx.Notebook(self.GetWin(), style=wx.NB_TOP) - self.displays.AddPage(grc_wxgui.Panel(self.displays), "USRP RX") - self.displays.AddPage(grc_wxgui.Panel(self.displays), "RRC Filter") - self.displays.AddPage(grc_wxgui.Panel(self.displays), "PLL") - self.displays.AddPage(grc_wxgui.Panel(self.displays), "MM") - self.GridAdd(self.displays, 1, 0, 1, 2) - - ################################################## - # Controls - ################################################## - _gain_mu_sizer = wx.BoxSizer(wx.VERTICAL) - self._gain_mu_text_box = forms.text_box( - parent=self.GetWin(), - sizer=_gain_mu_sizer, - value=self.gain_mu, - callback=self.set_gain_mu, - label="Gain Mu", - converter=forms.float_converter(), - proportion=0, - ) - self._gain_mu_slider = forms.slider( - parent=self.GetWin(), - sizer=_gain_mu_sizer, - value=self.gain_mu, - callback=self.set_gain_mu, - minimum=0, - maximum=0.5, - num_steps=100, - style=wx.SL_HORIZONTAL, - cast=float, - proportion=1, - ) - self.GridAdd(_gain_mu_sizer, 0, 1, 1, 1) - _costas_alpha_sizer = wx.BoxSizer(wx.VERTICAL) - self._costas_alpha_text_box = forms.text_box( - parent=self.GetWin(), - sizer=_costas_alpha_sizer, - value=self.costas_alpha, - callback=self.set_costas_alpha, - label="Costas Alpha", - converter=forms.float_converter(), - proportion=0, - ) - self._costas_alpha_slider = forms.slider( - parent=self.GetWin(), - sizer=_costas_alpha_sizer, - value=self.costas_alpha, - callback=self.set_costas_alpha, - minimum=0, - maximum=0.5, - num_steps=100, - style=wx.SL_HORIZONTAL, - cast=float, - proportion=1, - ) - self.GridAdd(_costas_alpha_sizer, 0, 0, 1, 1) - - ################################################## - # Blocks - ################################################## - self.costas = gr.costas_loop_cc(costas_alpha, (costas_alpha**2)/4.0, 50e-6*sps, -50e-6*sps, 2) - self.costas_spectrum = fftsink2.fft_sink_c( - self.displays.GetPage(2).GetWin(), - baseband_freq=0, - y_per_div=10, - y_divs=10, - ref_level=-15, - ref_scale=2.0, - sample_rate=sample_rate, - fft_size=1024, - fft_rate=30, - average=True, - avg_alpha=None, - title="PLL Spectrum", - peak_hold=False, - win=window.hanning, - ) - self.displays.GetPage(2).GridAdd(self.costas_spectrum.win, 0, 0, 1, 1) - self.costas_spectrum_0 = fftsink2.fft_sink_c( - self.displays.GetPage(3).GetWin(), - baseband_freq=0, - y_per_div=10, - y_divs=10, - ref_level=-15, - ref_scale=2.0, - sample_rate=symbol_rate, - fft_size=1024, - fft_rate=30, - average=True, - avg_alpha=None, - title="Bit Sync Spectrum", - peak_hold=False, - win=window.hanning, - ) - self.displays.GetPage(3).GridAdd(self.costas_spectrum_0.win, 0, 0, 1, 1) - self.costas_waveform = scopesink2.scope_sink_c( - self.displays.GetPage(2).GetWin(), - title="PLL Waveform", - sample_rate=sample_rate, - v_scale=0.5, - v_offset=0, - t_scale=20.0/sample_rate, - ac_couple=False, - xy_mode=False, - num_inputs=1, - ) - self.displays.GetPage(2).GridAdd(self.costas_waveform.win, 1, 0, 1, 1) - self.gr_agc_xx_0 = gr.agc_cc(1e-6, 1.0, 1.0/32767.0, 1.0) - self.gr_clock_recovery_mm_xx_0 = gr.clock_recovery_mm_cc(sps, (gain_mu**2)/4.0, 0.5, gain_mu, 50e-6) - self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, "lrit.dat", False) - self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, sample_rate) - self.mm_waveform = scopesink2.scope_sink_c( - self.displays.GetPage(3).GetWin(), - title="Constellation", - sample_rate=symbol_rate, - v_scale=0.5, - v_offset=0, - t_scale=20.0/symbol_rate, - ac_couple=False, - xy_mode=True, - num_inputs=1, - ) - self.displays.GetPage(3).GridAdd(self.mm_waveform.win, 1, 0, 1, 1) - self.rrc = gr.fir_filter_ccf(1, firdes.root_raised_cosine( - 1, sample_rate, symbol_rate, 0.25, int(11*sample_rate/symbol_rate))) - self.rrc_spectrum = fftsink2.fft_sink_c( - self.displays.GetPage(1).GetWin(), - baseband_freq=0, - y_per_div=10, - y_divs=10, - ref_level=-15, - ref_scale=2.0, - sample_rate=sample_rate, - fft_size=1024, - fft_rate=30, - average=True, - avg_alpha=None, - title="RRC Spectrum", - peak_hold=False, - win=window.hanning, - ) - self.displays.GetPage(1).GridAdd(self.rrc_spectrum.win, 0, 0, 1, 1) - self.rx_spectrum = fftsink2.fft_sink_c( - self.displays.GetPage(0).GetWin(), - baseband_freq=0, - y_per_div=5, - y_divs=10, - ref_level=50, - ref_scale=2.0, - sample_rate=sample_rate, - fft_size=1024, - fft_rate=15, - average=True, - avg_alpha=None, - title="Baseband Spectrum", - peak_hold=False, - ) - self.displays.GetPage(0).GridAdd(self.rx_spectrum.win, 0, 0, 1, 1) - self.rx_waveform = scopesink2.scope_sink_c( - self.displays.GetPage(0).GetWin(), - title="Baseband Waveform", - sample_rate=sample_rate, - v_scale=0, - v_offset=0, - t_scale=20.0/sample_rate, - ac_couple=False, - xy_mode=False, - num_inputs=1, - ) - self.displays.GetPage(0).GridAdd(self.rx_waveform.win, 1, 0, 1, 1) - self.rx_waveform_0 = scopesink2.scope_sink_c( - self.displays.GetPage(1).GetWin(), - title="RRC Waveform", - sample_rate=sample_rate, - v_scale=0.5, - v_offset=0, - t_scale=20.0/sample_rate, - ac_couple=False, - xy_mode=False, - num_inputs=1, - ) - self.displays.GetPage(1).GridAdd(self.rx_waveform_0.win, 1, 0, 1, 1) - - ################################################## - # Connections - ################################################## - self.connect((self.rrc, 0), (self.rx_waveform_0, 0)) - self.connect((self.rrc, 0), (self.rrc_spectrum, 0)) - self.connect((self.gr_agc_xx_0, 0), (self.rrc, 0)) - self.connect((self.gr_throttle_0, 0), (self.rx_waveform, 0)) - self.connect((self.gr_throttle_0, 0), (self.rx_spectrum, 0)) - self.connect((self.gr_throttle_0, 0), (self.gr_agc_xx_0, 0)) - self.connect((self.gr_file_source_0, 0), (self.gr_throttle_0, 0)) - self.connect((self.rrc, 0), (self.costas, 0)) - self.connect((self.costas, 0), (self.costas_spectrum, 0)) - self.connect((self.costas, 0), (self.costas_waveform, 0)) - self.connect((self.costas, 0), (self.gr_clock_recovery_mm_xx_0, 0)) - self.connect((self.gr_clock_recovery_mm_xx_0, 0), (self.costas_spectrum_0, 0)) - self.connect((self.gr_clock_recovery_mm_xx_0, 0), (self.mm_waveform, 0)) - - def set_decim(self, decim): - self.decim = decim - self.set_sample_rate(64e6/self.decim) - - def set_config_filename(self, config_filename): - self.config_filename = config_filename - self._saved_costas_alpha_config = ConfigParser.ConfigParser() - self._saved_costas_alpha_config.read(self.config_filename) - if not self._saved_costas_alpha_config.has_section('usrp_rx_lrit'): - self._saved_costas_alpha_config.add_section('usrp_rx_lrit') - self._saved_costas_alpha_config.set('usrp_rx_lrit', 'costas_alpha', str(self.costas_alpha)) - self._saved_costas_alpha_config.write(open(self.config_filename, 'w')) - self._saved_gain_mu_config = ConfigParser.ConfigParser() - self._saved_gain_mu_config.read(self.config_filename) - if not self._saved_gain_mu_config.has_section('usrp_rx_lrit'): - self._saved_gain_mu_config.add_section('usrp_rx_lrit') - self._saved_gain_mu_config.set('usrp_rx_lrit', 'gain_mu', str(self.gain_mu)) - self._saved_gain_mu_config.write(open(self.config_filename, 'w')) - - def set_symbol_rate(self, symbol_rate): - self.symbol_rate = symbol_rate - self.set_sps(self.sample_rate/self.symbol_rate) - self.costas_spectrum_0.set_sample_rate(self.symbol_rate) - self.mm_waveform.set_sample_rate(self.symbol_rate) - self.rrc.set_taps(firdes.root_raised_cosine(1, self.sample_rate, self.symbol_rate, 0.25, int(11*self.sample_rate/self.symbol_rate))) - - def set_saved_gain_mu(self, saved_gain_mu): - self.saved_gain_mu = saved_gain_mu - self.set_gain_mu(self.saved_gain_mu) - - def set_saved_costas_alpha(self, saved_costas_alpha): - self.saved_costas_alpha = saved_costas_alpha - self.set_costas_alpha(self.saved_costas_alpha) - - def set_sample_rate(self, sample_rate): - self.sample_rate = sample_rate - self.set_sps(self.sample_rate/self.symbol_rate) - self.rx_spectrum.set_sample_rate(self.sample_rate) - self.rx_waveform.set_sample_rate(self.sample_rate) - self.costas_spectrum.set_sample_rate(self.sample_rate) - self.costas_waveform.set_sample_rate(self.sample_rate) - self.rrc_spectrum.set_sample_rate(self.sample_rate) - self.rx_waveform_0.set_sample_rate(self.sample_rate) - self.rrc.set_taps(firdes.root_raised_cosine(1, self.sample_rate, self.symbol_rate, 0.25, int(11*self.sample_rate/self.symbol_rate))) - - def set_sps(self, sps): - self.sps = sps - self.gr_clock_recovery_mm_xx_0.set_omega(self.sps) - - def set_gain_mu(self, gain_mu): - self.gain_mu = gain_mu - self._gain_mu_slider.set_value(self.gain_mu) - self._gain_mu_text_box.set_value(self.gain_mu) - self.gr_clock_recovery_mm_xx_0.set_gain_omega((self.gain_mu**2)/4.0) - self.gr_clock_recovery_mm_xx_0.set_gain_mu(self.gain_mu) - self._saved_gain_mu_config = ConfigParser.ConfigParser() - self._saved_gain_mu_config.read(self.config_filename) - if not self._saved_gain_mu_config.has_section('usrp_rx_lrit'): - self._saved_gain_mu_config.add_section('usrp_rx_lrit') - self._saved_gain_mu_config.set('usrp_rx_lrit', 'gain_mu', str(self.gain_mu)) - self._saved_gain_mu_config.write(open(self.config_filename, 'w')) - - def set_costas_alpha(self, costas_alpha): - self.costas_alpha = costas_alpha - self._costas_alpha_slider.set_value(self.costas_alpha) - self._costas_alpha_text_box.set_value(self.costas_alpha) - self._saved_costas_alpha_config = ConfigParser.ConfigParser() - self._saved_costas_alpha_config.read(self.config_filename) - if not self._saved_costas_alpha_config.has_section('usrp_rx_lrit'): - self._saved_costas_alpha_config.add_section('usrp_rx_lrit') - self._saved_costas_alpha_config.set('usrp_rx_lrit', 'costas_alpha', str(self.costas_alpha)) - self._saved_costas_alpha_config.write(open(self.config_filename, 'w')) - self.costas.set_alpha(self.costas_alpha) - self.costas.set_beta((self.costas_alpha**2)/4.0) - -if __name__ == '__main__': - parser = OptionParser(option_class=eng_option, usage="%prog: [options]") - parser.add_option("-d", "--decim", dest="decim", type="intx", default=160, - help="Set Decim [default=%default]") - (options, args) = parser.parse_args() - tb = file_rx_lrit(decim=options.decim) - tb.Run(True) - |