diff options
Diffstat (limited to 'gr-noaa/apps/usrp_rx_lrit.py')
-rwxr-xr-x | gr-noaa/apps/usrp_rx_lrit.py | 426 |
1 files changed, 275 insertions, 151 deletions
diff --git a/gr-noaa/apps/usrp_rx_lrit.py b/gr-noaa/apps/usrp_rx_lrit.py index bc313e3af..9a3d70200 100755 --- a/gr-noaa/apps/usrp_rx_lrit.py +++ b/gr-noaa/apps/usrp_rx_lrit.py @@ -2,19 +2,22 @@ ################################################## # Gnuradio Python Flow Graph # Title: USRP LRIT Receiver -# Generated: Sat Aug 29 11:26:03 2009 +# 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 numbersink2 from gnuradio.wxgui import scopesink2 -from grc_gnuradio import blks2 as grc_blks2 +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): @@ -25,36 +28,47 @@ class usrp_rx_lrit(grc_wxgui.top_block_gui): ################################################## # Variables ################################################## - self.config_filename = config_filename = "usrp_rx_lrit.cfg" + 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("main", "decim") + 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("main", "gain_mu") + 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("main", "gain") + 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("main", "freq") - except: saved_freq = 137e6 + 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("main", "costas_alpha") + 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.samp_rate = samp_rate = 64e6/decim - self.sps = sps = samp_rate/symbol_rate + 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 @@ -65,7 +79,9 @@ class usrp_rx_lrit(grc_wxgui.top_block_gui): ################################################## 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.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) ################################################## @@ -78,7 +94,30 @@ class usrp_rx_lrit(grc_wxgui.top_block_gui): label="Decim", converter=forms.int_converter(), ) - self.GridAdd(self._decim_text_box, 0, 0, 1, 1) + 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(), @@ -101,7 +140,7 @@ class usrp_rx_lrit(grc_wxgui.top_block_gui): cast=float, proportion=1, ) - self.GridAdd(_gain_mu_sizer, 1, 1, 1, 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(), @@ -124,30 +163,15 @@ class usrp_rx_lrit(grc_wxgui.top_block_gui): cast=float, proportion=1, ) - self.GridAdd(_gain_sizer, 0, 1, 1, 1) - _freq_sizer = wx.BoxSizer(wx.VERTICAL) + self.GridAdd(_gain_sizer, 1, 0, 1, 1) 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) + 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(), @@ -170,131 +194,193 @@ class usrp_rx_lrit(grc_wxgui.top_block_gui): cast=float, proportion=1, ) - self.GridAdd(_costas_alpha_sizer, 1, 0, 1, 1) + self.GridAdd(_costas_alpha_sizer, 1, 1, 1, 1) ################################################## # Blocks ################################################## - self.gr_add_const_vxx_0 = gr.add_const_vff((48.0, )) + 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.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.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.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, + 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=50, - sample_rate=samp_rate, + ref_level=-15, + ref_scale=2.0, + sample_rate=symbol_rate, fft_size=1024, - fft_rate=30, + fft_rate=15, average=False, avg_alpha=None, - title="Spectrum", + title="Bit Sync 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(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(), - unit="dB", - minval=0, - maxval=30, - factor=1.0, - decimal_places=1, - ref_level=0, - sample_rate=10, - number_rate=10, + 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, - label="SNR", + title="RRC Spectrum", 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, + 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, - t_scale=20.0/samp_rate, + v_offset=0, + t_scale=20.0/sample_rate, ac_couple=False, - xy_mode=True, + xy_mode=False, 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, + 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=True, + xy_mode=False, num_inputs=1, ) - self.displays.GetPage(1).GridAdd(self.wxgui_scopesink2_1.win, 0, 0, 1, 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.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)) + 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_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)) + 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("main"): - self._saved_costas_alpha_config.add_section("main") - self._saved_costas_alpha_config.set("main", "costas_alpha", str(self.costas_alpha)) + 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("main"): - self._saved_gain_mu_config.add_section("main") - self._saved_gain_mu_config.set("main", "gain_mu", str(self.gain_mu)) + 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 @@ -302,18 +388,26 @@ class usrp_rx_lrit(grc_wxgui.top_block_gui): def set_decim(self, decim): self.decim = decim - self.set_samp_rate(64e6/self.decim) - self._decim_text_box.set_value(self.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("main"): - self._saved_decim_config.add_section("main") - self._saved_decim_config.set("main", "decim", str(self.decim)) + 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.samp_rate/self.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 @@ -331,65 +425,95 @@ class usrp_rx_lrit(grc_wxgui.top_block_gui): 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_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.gr_mpsk_receiver_cc_0.set_omega(self.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.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._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("main"): - self._saved_gain_mu_config.add_section("main") - self._saved_gain_mu_config.set("main", "gain_mu", str(self.gain_mu)) + 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._gain_mu_slider.set_value(self.gain_mu) - self._gain_mu_text_box.set_value(self.gain_mu) + 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._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)) + 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.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)) + 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.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)) + 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]") |