X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=gr-noaa%2Fapps%2Fusrp_rx_lrit.py;fp=gr-noaa%2Fapps%2Fusrp_rx_lrit.py;h=9a3d702008affd1a4dd8317d9df14c6cc137dc4e;hb=35e43e8d8c271e6842191cac3fc3f2f88a861183;hp=0000000000000000000000000000000000000000;hpb=ea29b08aeb54227e6628f655ccfdb96fe4d8c378;p=debian%2Fgnuradio diff --git a/gr-noaa/apps/usrp_rx_lrit.py b/gr-noaa/apps/usrp_rx_lrit.py new file mode 100755 index 00000000..9a3d7020 --- /dev/null +++ b/gr-noaa/apps/usrp_rx_lrit.py @@ -0,0 +1,523 @@ +#!/usr/bin/env python +################################################## +# Gnuradio Python Flow Graph +# Title: USRP LRIT Receiver +# Generated: Wed Dec 16 09:49:15 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 usrp as grc_usrp +from grc_gnuradio import wxgui as grc_wxgui +from optparse import OptionParser +import ConfigParser +import os +import wx + +class usrp_rx_lrit(grc_wxgui.top_block_gui): + + def __init__(self): + grc_wxgui.top_block_gui.__init__(self, title="USRP LRIT Receiver") + + ################################################## + # Variables + ################################################## + self.config_filename = config_filename = os.environ['HOME']+'/.gnuradio/config.conf' + self._saved_decim_config = ConfigParser.ConfigParser() + self._saved_decim_config.read(config_filename) + try: saved_decim = self._saved_decim_config.getint('usrp_rx_lrit', 'decim') + except: saved_decim = 160 + self.saved_decim = saved_decim + self.decim = decim = saved_decim + self.symbol_rate = symbol_rate = 293e3 + self._saved_offset_config = ConfigParser.ConfigParser() + self._saved_offset_config.read(config_filename) + try: saved_offset = self._saved_offset_config.getfloat('usrp_rx_lrit', 'offset') + except: saved_offset = 0 + self.saved_offset = saved_offset + 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 = 0.005 + self.saved_gain_mu = saved_gain_mu + self._saved_gain_config = ConfigParser.ConfigParser() + self._saved_gain_config.read(config_filename) + try: saved_gain = self._saved_gain_config.getfloat('usrp_rx_lrit', 'gain') + except: saved_gain = 33 + self.saved_gain = saved_gain + self._saved_freq_config = ConfigParser.ConfigParser() + self._saved_freq_config.read(config_filename) + try: saved_freq = self._saved_freq_config.getfloat('usrp_rx_lrit', 'freq') + except: saved_freq = 1691e6 + self.saved_freq = saved_freq + 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 = 0.005 + self.saved_costas_alpha = saved_costas_alpha + self.sample_rate = sample_rate = 64e6/decim + self.sps = sps = sample_rate/symbol_rate + self._side_config = ConfigParser.ConfigParser() + self._side_config.read(config_filename) + try: side = self._side_config.get('usrp_rx_lrit', 'side') + except: side = 'A' + self.side = side + self.offset = offset = saved_offset + self.gain_mu = gain_mu = saved_gain_mu + self.gain = gain = saved_gain + self.freq = freq = saved_freq + 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") + self.displays.AddPage(grc_wxgui.Panel(self.displays), "PLL") + self.displays.AddPage(grc_wxgui.Panel(self.displays), "Const") + self.GridAdd(self.displays, 2, 0, 1, 3) + + ################################################## + # Controls + ################################################## + self._decim_text_box = forms.text_box( + parent=self.GetWin(), + value=self.decim, + callback=self.set_decim, + label="Decim", + converter=forms.int_converter(), + ) + self.GridAdd(self._decim_text_box, 0, 2, 1, 1) + _offset_sizer = wx.BoxSizer(wx.VERTICAL) + self._offset_text_box = forms.text_box( + parent=self.GetWin(), + sizer=_offset_sizer, + value=self.offset, + callback=self.set_offset, + label="Offset", + converter=forms.float_converter(), + proportion=0, + ) + self._offset_slider = forms.slider( + parent=self.GetWin(), + sizer=_offset_sizer, + value=self.offset, + callback=self.set_offset, + minimum=-50e3, + maximum=50e3, + num_steps=100, + style=wx.SL_HORIZONTAL, + cast=float, + proportion=1, + ) + self.GridAdd(_offset_sizer, 0, 1, 1, 1) + _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, 1, 2, 1, 1) + _gain_sizer = wx.BoxSizer(wx.VERTICAL) + self._gain_text_box = forms.text_box( + parent=self.GetWin(), + sizer=_gain_sizer, + value=self.gain, + callback=self.set_gain, + label="Gain", + converter=forms.float_converter(), + proportion=0, + ) + self._gain_slider = forms.slider( + parent=self.GetWin(), + sizer=_gain_sizer, + value=self.gain, + callback=self.set_gain, + minimum=0, + maximum=115, + num_steps=115, + style=wx.SL_HORIZONTAL, + cast=float, + proportion=1, + ) + self.GridAdd(_gain_sizer, 1, 0, 1, 1) + self._freq_text_box = forms.text_box( + parent=self.GetWin(), + value=self.freq, + callback=self.set_freq, + label="Frequency", + converter=forms.float_converter(), + ) + self.GridAdd(self._freq_text_box, 0, 0, 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, 1, 1, 1, 1) + + ################################################## + # Blocks + ################################################## + self.costas = gr.costas_loop_cc(costas_alpha, (costas_alpha**2.0)/4.0, 50e-6*sps, -50e-6*sps, 2) + self.costas_spectrum = fftsink2.fft_sink_c( + self.displays.GetPage(2).GetWin(), + baseband_freq=freq+offset, + y_per_div=10, + y_divs=10, + ref_level=-15, + ref_scale=2.0, + sample_rate=sample_rate, + fft_size=1024, + fft_rate=15, + average=False, + avg_alpha=None, + title="PLL Spectrum", + peak_hold=False, + ) + self.displays.GetPage(2).GridAdd(self.costas_spectrum.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.mm_const = 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_const.win, 1, 0, 1, 1) + self.mm_spectrum = 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=15, + average=False, + avg_alpha=None, + title="Bit Sync Spectrum", + peak_hold=False, + ) + self.displays.GetPage(3).GridAdd(self.mm_spectrum.win, 0, 0, 1, 1) + self.mm_sync = gr.clock_recovery_mm_cc(sps, (gain_mu**2)/4.0, 0.5, gain_mu, 50e-6*sps) + self.root_raised_cosine_filter_0 = 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=freq+offset, + y_per_div=10, + y_divs=10, + ref_level=-15, + ref_scale=2.0, + sample_rate=sample_rate, + fft_size=1024, + fft_rate=15, + average=False, + avg_alpha=None, + title="RRC Spectrum", + peak_hold=False, + ) + self.displays.GetPage(1).GridAdd(self.rrc_spectrum.win, 0, 0, 1, 1) + self.rrc_waveform = 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.rrc_waveform.win, 1, 0, 1, 1) + self.rx_spectrum = fftsink2.fft_sink_c( + self.displays.GetPage(0).GetWin(), + baseband_freq=freq, + y_per_div=10, + y_divs=10, + ref_level=50, + ref_scale=2.0, + sample_rate=sample_rate, + fft_size=1024, + fft_rate=30, + average=False, + avg_alpha=None, + title="RX 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="RX 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.usrp_simple_source_x_0 = grc_usrp.simple_source_c(which=0, side=side, rx_ant="RXA") + self.usrp_simple_source_x_0.set_decim_rate(decim) + self.usrp_simple_source_x_0.set_frequency(freq+offset, verbose=True) + self.usrp_simple_source_x_0.set_gain(gain) + + ################################################## + # Connections + ################################################## + self.connect((self.gr_agc_xx_0, 0), (self.root_raised_cosine_filter_0, 0)) + self.connect((self.usrp_simple_source_x_0, 0), (self.gr_agc_xx_0, 0)) + self.connect((self.usrp_simple_source_x_0, 0), (self.rx_spectrum, 0)) + self.connect((self.usrp_simple_source_x_0, 0), (self.rx_waveform, 0)) + self.connect((self.root_raised_cosine_filter_0, 0), (self.rrc_waveform, 0)) + self.connect((self.root_raised_cosine_filter_0, 0), (self.rrc_spectrum, 0)) + self.connect((self.root_raised_cosine_filter_0, 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.mm_sync, 0)) + self.connect((self.mm_sync, 0), (self.mm_spectrum, 0)) + self.connect((self.mm_sync, 0), (self.mm_const, 0)) + + def set_config_filename(self, config_filename): + self.config_filename = config_filename + self._saved_freq_config = ConfigParser.ConfigParser() + self._saved_freq_config.read(self.config_filename) + if not self._saved_freq_config.has_section('usrp_rx_lrit'): + self._saved_freq_config.add_section('usrp_rx_lrit') + self._saved_freq_config.set('usrp_rx_lrit', 'freq', str(self.freq)) + self._saved_freq_config.write(open(self.config_filename, 'w')) + self._saved_offset_config = ConfigParser.ConfigParser() + self._saved_offset_config.read(self.config_filename) + if not self._saved_offset_config.has_section('usrp_rx_lrit'): + self._saved_offset_config.add_section('usrp_rx_lrit') + self._saved_offset_config.set('usrp_rx_lrit', 'offset', str(self.offset)) + self._saved_offset_config.write(open(self.config_filename, 'w')) + self._saved_gain_config = ConfigParser.ConfigParser() + self._saved_gain_config.read(self.config_filename) + if not self._saved_gain_config.has_section('usrp_rx_lrit'): + self._saved_gain_config.add_section('usrp_rx_lrit') + self._saved_gain_config.set('usrp_rx_lrit', 'gain', str(self.gain)) + self._saved_gain_config.write(open(self.config_filename, 'w')) + self._saved_decim_config = ConfigParser.ConfigParser() + self._saved_decim_config.read(self.config_filename) + if not self._saved_decim_config.has_section('usrp_rx_lrit'): + self._saved_decim_config.add_section('usrp_rx_lrit') + self._saved_decim_config.set('usrp_rx_lrit', 'decim', str(self.decim)) + self._saved_decim_config.write(open(self.config_filename, 'w')) + 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')) + self._side_config = ConfigParser.ConfigParser() + self._side_config.read(self.config_filename) + if not self._side_config.has_section('usrp_rx_lrit'): + self._side_config.add_section('usrp_rx_lrit') + self._side_config.set('usrp_rx_lrit', 'side', str(self.side)) + self._side_config.write(open(self.config_filename, 'w')) + + def set_saved_decim(self, saved_decim): + self.saved_decim = saved_decim + self.set_decim(self.saved_decim) + + def set_decim(self, decim): + self.decim = decim + self.set_sample_rate(64e6/self.decim) + self._saved_decim_config = ConfigParser.ConfigParser() + self._saved_decim_config.read(self.config_filename) + if not self._saved_decim_config.has_section('usrp_rx_lrit'): + self._saved_decim_config.add_section('usrp_rx_lrit') + self._saved_decim_config.set('usrp_rx_lrit', 'decim', str(self.decim)) + self._saved_decim_config.write(open(self.config_filename, 'w')) + self._decim_text_box.set_value(self.decim) + self.usrp_simple_source_x_0.set_decim_rate(self.decim) + + def set_symbol_rate(self, symbol_rate): + self.symbol_rate = symbol_rate + self.set_sps(self.sample_rate/self.symbol_rate) + self.root_raised_cosine_filter_0.set_taps(firdes.root_raised_cosine(1, self.sample_rate, self.symbol_rate, 0.25, int(11*self.sample_rate/self.symbol_rate))) + self.mm_spectrum.set_sample_rate(self.symbol_rate) + self.mm_const.set_sample_rate(self.symbol_rate) + + def set_saved_offset(self, saved_offset): + self.saved_offset = saved_offset + self.set_offset(self.saved_offset) + + 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_gain(self, saved_gain): + self.saved_gain = saved_gain + self.set_gain(self.saved_gain) + + def set_saved_freq(self, saved_freq): + self.saved_freq = saved_freq + self.set_freq(self.saved_freq) + + 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_waveform.set_sample_rate(self.sample_rate) + self.rx_spectrum.set_sample_rate(self.sample_rate) + self.root_raised_cosine_filter_0.set_taps(firdes.root_raised_cosine(1, self.sample_rate, self.symbol_rate, 0.25, int(11*self.sample_rate/self.symbol_rate))) + self.rrc_waveform.set_sample_rate(self.sample_rate) + self.rrc_spectrum.set_sample_rate(self.sample_rate) + self.costas_spectrum.set_sample_rate(self.sample_rate) + self.costas_waveform.set_sample_rate(self.sample_rate) + + def set_sps(self, sps): + self.sps = sps + self.mm_sync.set_omega(self.sps) + + def set_side(self, side): + self.side = side + self._side_config = ConfigParser.ConfigParser() + self._side_config.read(self.config_filename) + if not self._side_config.has_section('usrp_rx_lrit'): + self._side_config.add_section('usrp_rx_lrit') + self._side_config.set('usrp_rx_lrit', 'side', str(self.side)) + self._side_config.write(open(self.config_filename, 'w')) + + def set_offset(self, offset): + self.offset = offset + self._saved_offset_config = ConfigParser.ConfigParser() + self._saved_offset_config.read(self.config_filename) + if not self._saved_offset_config.has_section('usrp_rx_lrit'): + self._saved_offset_config.add_section('usrp_rx_lrit') + self._saved_offset_config.set('usrp_rx_lrit', 'offset', str(self.offset)) + self._saved_offset_config.write(open(self.config_filename, 'w')) + self._offset_slider.set_value(self.offset) + self._offset_text_box.set_value(self.offset) + self.rrc_spectrum.set_baseband_freq(self.freq+self.offset) + self.costas_spectrum.set_baseband_freq(self.freq+self.offset) + self.usrp_simple_source_x_0.set_frequency(self.freq+self.offset) + + 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._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')) + self.mm_sync.set_gain_omega((self.gain_mu**2)/4.0) + self.mm_sync.set_gain_mu(self.gain_mu) + + def set_gain(self, gain): + self.gain = gain + self._saved_gain_config = ConfigParser.ConfigParser() + self._saved_gain_config.read(self.config_filename) + if not self._saved_gain_config.has_section('usrp_rx_lrit'): + self._saved_gain_config.add_section('usrp_rx_lrit') + self._saved_gain_config.set('usrp_rx_lrit', 'gain', str(self.gain)) + self._saved_gain_config.write(open(self.config_filename, 'w')) + self._gain_slider.set_value(self.gain) + self._gain_text_box.set_value(self.gain) + self.usrp_simple_source_x_0.set_gain(self.gain) + + def set_freq(self, freq): + self.freq = freq + self._freq_text_box.set_value(self.freq) + self._saved_freq_config = ConfigParser.ConfigParser() + self._saved_freq_config.read(self.config_filename) + if not self._saved_freq_config.has_section('usrp_rx_lrit'): + self._saved_freq_config.add_section('usrp_rx_lrit') + self._saved_freq_config.set('usrp_rx_lrit', 'freq', str(self.freq)) + self._saved_freq_config.write(open(self.config_filename, 'w')) + self.rx_spectrum.set_baseband_freq(self.freq) + self.rrc_spectrum.set_baseband_freq(self.freq+self.offset) + self.costas_spectrum.set_baseband_freq(self.freq+self.offset) + self.usrp_simple_source_x_0.set_frequency(self.freq+self.offset) + + 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**2.0)/4.0) + +if __name__ == '__main__': + parser = OptionParser(option_class=eng_option, usage="%prog: [options]") + (options, args) = parser.parse_args() + tb = usrp_rx_lrit() + tb.Run(True) +