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=bc313e3af08552771e6505142b04da8feb147a26;hb=e2216220f85d3e9d93db3946aa0e68e59309d1c2;hp=0000000000000000000000000000000000000000;hpb=ce9a41e69f5e3b9e0280d22fa778d167c3982db7;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..bc313e3a --- /dev/null +++ b/gr-noaa/apps/usrp_rx_lrit.py @@ -0,0 +1,399 @@ +#!/usr/bin/env python +################################################## +# Gnuradio Python Flow Graph +# Title: USRP LRIT Receiver +# Generated: Sat Aug 29 11:26:03 2009 +################################################## + +from gnuradio import gr +from gnuradio.eng_option import eng_option +from gnuradio.wxgui import fftsink2 +from gnuradio.wxgui import forms +from gnuradio.wxgui import numbersink2 +from gnuradio.wxgui import scopesink2 +from grc_gnuradio import blks2 as grc_blks2 +from grc_gnuradio import wxgui as grc_wxgui +from optparse import OptionParser +import ConfigParser +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 = "usrp_rx_lrit.cfg" + self._saved_decim_config = ConfigParser.ConfigParser() + self._saved_decim_config.read(config_filename) + try: saved_decim = self._saved_decim_config.getint("main", "decim") + except: saved_decim = 160 + self.saved_decim = saved_decim + self.decim = decim = saved_decim + 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("main", "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("main", "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("main", "freq") + except: saved_freq = 137e6 + 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("main", "costas_alpha") + except: saved_costas_alpha = 0.005 + self.saved_costas_alpha = saved_costas_alpha + self.samp_rate = samp_rate = 64e6/decim + self.sps = sps = samp_rate/symbol_rate + 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), "Costas Output") + 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, 0, 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, 1, 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, 0, 1, 1, 1) + _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=135e6, + maximum=139e6, + num_steps=400, + style=wx.SL_HORIZONTAL, + cast=float, + proportion=1, + ) + self.GridAdd(_freq_sizer, 0, 2, 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, 0, 1, 1) + + ################################################## + # Blocks + ################################################## + self.gr_add_const_vxx_0 = gr.add_const_vff((48.0, )) + self.gr_agc_xx_0 = gr.agc_cc(1e-6, 1.0, 1.0/32767.0, 1.0) + self.gr_binary_slicer_fb_0 = gr.binary_slicer_fb() + self.gr_char_to_float_0 = gr.char_to_float() + self.gr_complex_to_real_0 = gr.complex_to_real(1) + self.gr_file_sink_0 = gr.file_sink(gr.sizeof_char*1, "bits.dat") + self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, "lrit.dat", False) + self.gr_float_to_char_0 = gr.float_to_char() + self.gr_mpsk_receiver_cc_0 = gr.mpsk_receiver_cc(2, 0, costas_alpha, costas_alpha*costas_alpha/4.0, -0.05, 0.05, 0.5, gain_mu, sps, gain_mu*gain_mu/4.0, 0.05) + self.gr_probe_mpsk_snr_c_0 = grc_blks2.probe_mpsk_snr_c( + type='snr', + alpha=0.0001, + probe_rate=10, + ) + self.gr_throttle_0 = gr.throttle(gr.sizeof_gr_complex*1, samp_rate) + self.wxgui_fftsink2_0 = fftsink2.fft_sink_c( + self.displays.GetPage(0).GetWin(), + baseband_freq=freq, + y_per_div=10, + y_divs=10, + ref_level=50, + sample_rate=samp_rate, + fft_size=1024, + fft_rate=30, + average=False, + avg_alpha=None, + title="Spectrum", + peak_hold=False, + ) + self.displays.GetPage(0).GridAdd(self.wxgui_fftsink2_0.win, 0, 0, 1, 1) + self.wxgui_numbersink2_0 = numbersink2.number_sink_f( + self.displays.GetPage(1).GetWin(), + unit="dB", + minval=0, + maxval=30, + factor=1.0, + decimal_places=1, + ref_level=0, + sample_rate=10, + number_rate=10, + average=False, + avg_alpha=None, + label="SNR", + peak_hold=False, + show_gauge=True, + ) + self.displays.GetPage(1).GridAdd(self.wxgui_numbersink2_0.win, 2, 0, 1, 1) + self.wxgui_scopesink2_0 = scopesink2.scope_sink_c( + self.displays.GetPage(0).GetWin(), + title="Waveform", + sample_rate=samp_rate, + v_scale=0.5, + t_scale=20.0/samp_rate, + ac_couple=False, + xy_mode=True, + num_inputs=1, + ) + self.displays.GetPage(0).GridAdd(self.wxgui_scopesink2_0.win, 1, 0, 1, 1) + self.wxgui_scopesink2_1 = scopesink2.scope_sink_c( + self.displays.GetPage(1).GetWin(), + title="Scope Plot", + sample_rate=samp_rate, + v_scale=0.4, + t_scale=20.0/samp_rate, + ac_couple=False, + xy_mode=True, + num_inputs=1, + ) + self.displays.GetPage(1).GridAdd(self.wxgui_scopesink2_1.win, 0, 0, 1, 1) + + ################################################## + # Connections + ################################################## + self.connect((self.gr_agc_xx_0, 0), (self.wxgui_scopesink2_0, 0)) + self.connect((self.gr_file_source_0, 0), (self.gr_throttle_0, 0)) + self.connect((self.gr_throttle_0, 0), (self.gr_agc_xx_0, 0)) + self.connect((self.gr_probe_mpsk_snr_c_0, 0), (self.wxgui_numbersink2_0, 0)) + self.connect((self.gr_mpsk_receiver_cc_0, 0), (self.gr_probe_mpsk_snr_c_0, 0)) + self.connect((self.gr_agc_xx_0, 0), (self.gr_mpsk_receiver_cc_0, 0)) + self.connect((self.gr_mpsk_receiver_cc_0, 0), (self.wxgui_scopesink2_1, 0)) + self.connect((self.gr_agc_xx_0, 0), (self.wxgui_fftsink2_0, 0)) + self.connect((self.gr_mpsk_receiver_cc_0, 0), (self.gr_complex_to_real_0, 0)) + self.connect((self.gr_complex_to_real_0, 0), (self.gr_binary_slicer_fb_0, 0)) + self.connect((self.gr_binary_slicer_fb_0, 0), (self.gr_char_to_float_0, 0)) + self.connect((self.gr_char_to_float_0, 0), (self.gr_add_const_vxx_0, 0)) + self.connect((self.gr_add_const_vxx_0, 0), (self.gr_float_to_char_0, 0)) + self.connect((self.gr_float_to_char_0, 0), (self.gr_file_sink_0, 0)) + + def set_config_filename(self, config_filename): + self.config_filename = config_filename + self._saved_decim_config = ConfigParser.ConfigParser() + self._saved_decim_config.read(self.config_filename) + if not self._saved_decim_config.has_section("main"): + self._saved_decim_config.add_section("main") + self._saved_decim_config.set("main", "decim", str(self.decim)) + self._saved_decim_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("main"): + self._saved_gain_config.add_section("main") + self._saved_gain_config.set("main", "gain", str(self.gain)) + self._saved_gain_config.write(open(self.config_filename, 'w')) + self._saved_freq_config = ConfigParser.ConfigParser() + self._saved_freq_config.read(self.config_filename) + if not self._saved_freq_config.has_section("main"): + self._saved_freq_config.add_section("main") + self._saved_freq_config.set("main", "freq", str(self.freq)) + self._saved_freq_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("main"): + self._saved_costas_alpha_config.add_section("main") + self._saved_costas_alpha_config.set("main", "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("main"): + self._saved_gain_mu_config.add_section("main") + self._saved_gain_mu_config.set("main", "gain_mu", str(self.gain_mu)) + self._saved_gain_mu_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_samp_rate(64e6/self.decim) + self._decim_text_box.set_value(self.decim) + self._saved_decim_config = ConfigParser.ConfigParser() + self._saved_decim_config.read(self.config_filename) + if not self._saved_decim_config.has_section("main"): + self._saved_decim_config.add_section("main") + self._saved_decim_config.set("main", "decim", str(self.decim)) + self._saved_decim_config.write(open(self.config_filename, 'w')) + + def set_symbol_rate(self, symbol_rate): + self.symbol_rate = symbol_rate + self.set_sps(self.samp_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_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_samp_rate(self, samp_rate): + self.samp_rate = samp_rate + self.set_sps(self.samp_rate/self.symbol_rate) + self.wxgui_scopesink2_0.set_sample_rate(self.samp_rate) + self.wxgui_fftsink2_0.set_sample_rate(self.samp_rate) + self.wxgui_scopesink2_1.set_sample_rate(self.samp_rate) + + def set_sps(self, sps): + self.sps = sps + self.gr_mpsk_receiver_cc_0.set_omega(self.sps) + + def set_gain_mu(self, gain_mu): + self.gain_mu = gain_mu + self.gr_mpsk_receiver_cc_0.set_gain_mu(self.gain_mu) + self.gr_mpsk_receiver_cc_0.set_gain_omega(self.gain_mu*self.gain_mu/4.0) + 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("main"): + self._saved_gain_mu_config.add_section("main") + self._saved_gain_mu_config.set("main", "gain_mu", str(self.gain_mu)) + self._saved_gain_mu_config.write(open(self.config_filename, 'w')) + self._gain_mu_slider.set_value(self.gain_mu) + self._gain_mu_text_box.set_value(self.gain_mu) + + def set_gain(self, gain): + self.gain = gain + self._gain_slider.set_value(self.gain) + self._gain_text_box.set_value(self.gain) + self._saved_gain_config = ConfigParser.ConfigParser() + self._saved_gain_config.read(self.config_filename) + if not self._saved_gain_config.has_section("main"): + self._saved_gain_config.add_section("main") + self._saved_gain_config.set("main", "gain", str(self.gain)) + self._saved_gain_config.write(open(self.config_filename, 'w')) + + def set_freq(self, freq): + self.freq = freq + self.wxgui_fftsink2_0.set_baseband_freq(self.freq) + self._freq_slider.set_value(self.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("main"): + self._saved_freq_config.add_section("main") + self._saved_freq_config.set("main", "freq", str(self.freq)) + self._saved_freq_config.write(open(self.config_filename, 'w')) + + def set_costas_alpha(self, costas_alpha): + self.costas_alpha = costas_alpha + self.gr_mpsk_receiver_cc_0.set_alpha(self.costas_alpha) + self.gr_mpsk_receiver_cc_0.set_beta(self.costas_alpha*self.costas_alpha/4.0) + 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("main"): + self._saved_costas_alpha_config.add_section("main") + self._saved_costas_alpha_config.set("main", "costas_alpha", str(self.costas_alpha)) + self._saved_costas_alpha_config.write(open(self.config_filename, 'w')) + +if __name__ == '__main__': + parser = OptionParser(option_class=eng_option, usage="%prog: [options]") + (options, args) = parser.parse_args() + tb = usrp_rx_lrit() + tb.Run(True) +