--- /dev/null
+#!/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)
+
projects / debian / gnuradio / blobdiff