diff options
Diffstat (limited to 'gr-noaa/apps/usrp_rx_hrpt2.py')
| -rwxr-xr-x | gr-noaa/apps/usrp_rx_hrpt2.py | 401 |
1 files changed, 401 insertions, 0 deletions
diff --git a/gr-noaa/apps/usrp_rx_hrpt2.py b/gr-noaa/apps/usrp_rx_hrpt2.py new file mode 100755 index 000000000..319335169 --- /dev/null +++ b/gr-noaa/apps/usrp_rx_hrpt2.py @@ -0,0 +1,401 @@ +#!/usr/bin/env python +################################################## +# Gnuradio Python Flow Graph +# Title: USRP HRPT Receiver +# Generated: Sun Sep 27 13:32:48 2009 +################################################## + +from gnuradio import eng_notation +from gnuradio import gr +from gnuradio import noaa +from gnuradio.eng_option import eng_option +from gnuradio.gr import firdes +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 math +import wx + +class usrp_rx_hrpt2(grc_wxgui.top_block_gui): + + def __init__(self): + grc_wxgui.top_block_gui.__init__(self, title="USRP HRPT Receiver") + + ################################################## + # Variables + ################################################## + self.config_filename = config_filename = 'usrp_rx_hrpt.cfg' + self._decim_config = ConfigParser.ConfigParser() + self._decim_config.read(config_filename) + try: decim = self._decim_config.getfloat('usrp', 'decim') + except: decim = 16 + self.decim = decim + self.sym_rate = sym_rate = 600*1109 + self.sample_rate = sample_rate = 64e6/decim + self.sps = sps = sample_rate/sym_rate + self._side_config = ConfigParser.ConfigParser() + self._side_config.read(config_filename) + try: side = self._side_config.get('usrp', 'side') + except: side = 'A' + self.side = side + self._saved_sync_alpha_config = ConfigParser.ConfigParser() + self._saved_sync_alpha_config.read(config_filename) + try: saved_sync_alpha = self._saved_sync_alpha_config.getfloat('demod', 'sync_alpha') + except: saved_sync_alpha = 0.05 + self.saved_sync_alpha = saved_sync_alpha + self._saved_pll_alpha_config = ConfigParser.ConfigParser() + self._saved_pll_alpha_config.read(config_filename) + try: saved_pll_alpha = self._saved_pll_alpha_config.getfloat('demod', 'pll_alpha') + except: saved_pll_alpha = 0.05 + self.saved_pll_alpha = saved_pll_alpha + self._saved_gain_config = ConfigParser.ConfigParser() + self._saved_gain_config.read(config_filename) + try: saved_gain = self._saved_gain_config.getfloat('usrp', 'gain') + except: saved_gain = 35 + 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', 'freq') + except: saved_freq = 1698e6 + self.saved_freq = saved_freq + self.hs = hs = int(sps/2.0) + self.sync_alpha = sync_alpha = saved_sync_alpha + self.side_text = side_text = side + self.pll_alpha = pll_alpha = saved_pll_alpha + self._output_filename_config = ConfigParser.ConfigParser() + self._output_filename_config.read(config_filename) + try: output_filename = self._output_filename_config.get('output', 'filename') + except: output_filename = 'frames.dat' + self.output_filename = output_filename + self.mf_taps = mf_taps = [-0.5/hs,]*hs+[0.5/hs,]*hs + self.max_sync_offset = max_sync_offset = 0.01 + self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/sample_rate + self.gain = gain = saved_gain + self.freq = freq = saved_freq + self.decim_text = decim_text = decim + + ################################################## + # Controls + ################################################## + _sync_alpha_sizer = wx.BoxSizer(wx.VERTICAL) + self._sync_alpha_text_box = forms.text_box( + parent=self.GetWin(), + sizer=_sync_alpha_sizer, + value=self.sync_alpha, + callback=self.set_sync_alpha, + label="SYNC Alpha", + converter=forms.float_converter(), + proportion=0, + ) + self._sync_alpha_slider = forms.slider( + parent=self.GetWin(), + sizer=_sync_alpha_sizer, + value=self.sync_alpha, + callback=self.set_sync_alpha, + minimum=0.0, + maximum=0.5, + num_steps=100, + style=wx.SL_HORIZONTAL, + cast=float, + proportion=1, + ) + self.GridAdd(_sync_alpha_sizer, 0, 3, 1, 1) + self._side_text_static_text = forms.static_text( + parent=self.GetWin(), + value=self.side_text, + callback=self.set_side_text, + label="USRP Side", + converter=forms.str_converter(), + ) + self.GridAdd(self._side_text_static_text, 1, 0, 1, 1) + _pll_alpha_sizer = wx.BoxSizer(wx.VERTICAL) + self._pll_alpha_text_box = forms.text_box( + parent=self.GetWin(), + sizer=_pll_alpha_sizer, + value=self.pll_alpha, + callback=self.set_pll_alpha, + label="PLL Alpha", + converter=forms.float_converter(), + proportion=0, + ) + self._pll_alpha_slider = forms.slider( + parent=self.GetWin(), + sizer=_pll_alpha_sizer, + value=self.pll_alpha, + callback=self.set_pll_alpha, + minimum=0.0, + maximum=0.5, + num_steps=100, + style=wx.SL_HORIZONTAL, + cast=float, + proportion=1, + ) + self.GridAdd(_pll_alpha_sizer, 0, 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="RX 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=100, + num_steps=100, + style=wx.SL_HORIZONTAL, + cast=float, + proportion=1, + ) + self.GridAdd(_gain_sizer, 0, 1, 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) + self._decim_text_static_text = forms.static_text( + parent=self.GetWin(), + value=self.decim_text, + callback=self.set_decim_text, + label="Decimation", + converter=forms.float_converter(), + ) + self.GridAdd(self._decim_text_static_text, 1, 1, 1, 1) + + ################################################## + # Blocks + ################################################## + self.agc = gr.agc_cc(1e-6, 1.0, 1.0, 1.0) + self.decoder = noaa.hrpt_decoder() + self.deframer = noaa.hrpt_deframer() + self.frame_sink = gr.file_sink(gr.sizeof_short*1, output_filename) + self.gr_fir_filter_xxx_0 = gr.fir_filter_ccc(1, (mf_taps)) + self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset) + self.pll_scope = scopesink2.scope_sink_f( + self.GetWin(), + title="Demod Waveform", + sample_rate=sample_rate, + v_scale=0.5, + t_scale=20.0/sample_rate, + ac_couple=False, + xy_mode=False, + num_inputs=1, + ) + self.GridAdd(self.pll_scope.win, 2, 0, 1, 4) + self.sync = noaa.hrpt_sync_fb(sync_alpha, sync_alpha**2/4.0, sps, max_sync_offset) + self.usrp_source = grc_usrp.simple_source_c(which=0, side=side, rx_ant="RXA") + self.usrp_source.set_decim_rate(decim) + self.usrp_source.set_frequency(freq, verbose=True) + self.usrp_source.set_gain(gain) + + ################################################## + # Connections + ################################################## + self.connect((self.gr_fir_filter_xxx_0, 0), (self.pll, 0)) + self.connect((self.agc, 0), (self.gr_fir_filter_xxx_0, 0)) + self.connect((self.usrp_source, 0), (self.agc, 0)) + self.connect((self.deframer, 0), (self.decoder, 0)) + self.connect((self.pll, 0), (self.pll_scope, 0)) + self.connect((self.pll, 0), (self.sync, 0)) + self.connect((self.sync, 0), (self.deframer, 0)) + self.connect((self.deframer, 0), (self.frame_sink, 0)) + + def set_config_filename(self, config_filename): + self.config_filename = config_filename + self._side_config = ConfigParser.ConfigParser() + self._side_config.read(self.config_filename) + if not self._side_config.has_section('usrp'): + self._side_config.add_section('usrp') + self._side_config.set('usrp', 'side', str(self.side)) + self._side_config.write(open(self.config_filename, 'w')) + self._decim_config = ConfigParser.ConfigParser() + self._decim_config.read(self.config_filename) + if not self._decim_config.has_section('usrp'): + self._decim_config.add_section('usrp') + self._decim_config.set('usrp', 'decim', str(self.decim)) + self._decim_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('usrp'): + self._saved_freq_config.add_section('usrp') + self._saved_freq_config.set('usrp', 'freq', str(self.freq)) + self._saved_freq_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'): + self._saved_gain_config.add_section('usrp') + self._saved_gain_config.set('usrp', 'gain', str(self.gain)) + self._saved_gain_config.write(open(self.config_filename, 'w')) + self._saved_pll_alpha_config = ConfigParser.ConfigParser() + self._saved_pll_alpha_config.read(self.config_filename) + if not self._saved_pll_alpha_config.has_section('demod'): + self._saved_pll_alpha_config.add_section('demod') + self._saved_pll_alpha_config.set('demod', 'pll_alpha', str(self.pll_alpha)) + self._saved_pll_alpha_config.write(open(self.config_filename, 'w')) + self._saved_sync_alpha_config = ConfigParser.ConfigParser() + self._saved_sync_alpha_config.read(self.config_filename) + if not self._saved_sync_alpha_config.has_section('demod'): + self._saved_sync_alpha_config.add_section('demod') + self._saved_sync_alpha_config.set('demod', 'sync_alpha', str(self.sync_alpha)) + self._saved_sync_alpha_config.write(open(self.config_filename, 'w')) + self._output_filename_config = ConfigParser.ConfigParser() + self._output_filename_config.read(self.config_filename) + if not self._output_filename_config.has_section('output'): + self._output_filename_config.add_section('output') + self._output_filename_config.set('output', 'filename', str(self.output_filename)) + self._output_filename_config.write(open(self.config_filename, 'w')) + + def set_decim(self, decim): + self.decim = decim + self.set_sample_rate(64e6/self.decim) + self._decim_config = ConfigParser.ConfigParser() + self._decim_config.read(self.config_filename) + if not self._decim_config.has_section('usrp'): + self._decim_config.add_section('usrp') + self._decim_config.set('usrp', 'decim', str(self.decim)) + self._decim_config.write(open(self.config_filename, 'w')) + self.set_decim_text(self.decim) + self.usrp_source.set_decim_rate(self.decim) + + def set_sym_rate(self, sym_rate): + self.sym_rate = sym_rate + self.set_sps(self.sample_rate/self.sym_rate) + + def set_sample_rate(self, sample_rate): + self.sample_rate = sample_rate + self.set_max_carrier_offset(2*math.pi*100e3/self.sample_rate) + self.set_sps(self.sample_rate/self.sym_rate) + self.pll_scope.set_sample_rate(self.sample_rate) + + def set_sps(self, sps): + self.sps = sps + self.set_hs(int(self.sps/2.0)) + + def set_side(self, side): + self.side = side + self.set_side_text(self.side) + self._side_config = ConfigParser.ConfigParser() + self._side_config.read(self.config_filename) + if not self._side_config.has_section('usrp'): + self._side_config.add_section('usrp') + self._side_config.set('usrp', 'side', str(self.side)) + self._side_config.write(open(self.config_filename, 'w')) + + def set_saved_sync_alpha(self, saved_sync_alpha): + self.saved_sync_alpha = saved_sync_alpha + self.set_sync_alpha(self.saved_sync_alpha) + + def set_saved_pll_alpha(self, saved_pll_alpha): + self.saved_pll_alpha = saved_pll_alpha + self.set_pll_alpha(self.saved_pll_alpha) + + 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_hs(self, hs): + self.hs = hs + self.set_mf_taps([-0.5/self.hs,]*self.hs+[0.5/self.hs,]*self.hs) + + def set_sync_alpha(self, sync_alpha): + self.sync_alpha = sync_alpha + self._sync_alpha_slider.set_value(self.sync_alpha) + self._sync_alpha_text_box.set_value(self.sync_alpha) + self._saved_sync_alpha_config = ConfigParser.ConfigParser() + self._saved_sync_alpha_config.read(self.config_filename) + if not self._saved_sync_alpha_config.has_section('demod'): + self._saved_sync_alpha_config.add_section('demod') + self._saved_sync_alpha_config.set('demod', 'sync_alpha', str(self.sync_alpha)) + self._saved_sync_alpha_config.write(open(self.config_filename, 'w')) + self.sync.set_alpha(self.sync_alpha) + self.sync.set_beta(self.sync_alpha**2/4.0) + + def set_side_text(self, side_text): + self.side_text = side_text + self._side_text_static_text.set_value(self.side_text) + + def set_pll_alpha(self, pll_alpha): + self.pll_alpha = pll_alpha + self._pll_alpha_slider.set_value(self.pll_alpha) + self._pll_alpha_text_box.set_value(self.pll_alpha) + self._saved_pll_alpha_config = ConfigParser.ConfigParser() + self._saved_pll_alpha_config.read(self.config_filename) + if not self._saved_pll_alpha_config.has_section('demod'): + self._saved_pll_alpha_config.add_section('demod') + self._saved_pll_alpha_config.set('demod', 'pll_alpha', str(self.pll_alpha)) + self._saved_pll_alpha_config.write(open(self.config_filename, 'w')) + self.pll.set_alpha(self.pll_alpha) + self.pll.set_beta(self.pll_alpha**2/4.0) + + def set_output_filename(self, output_filename): + self.output_filename = output_filename + self._output_filename_config = ConfigParser.ConfigParser() + self._output_filename_config.read(self.config_filename) + if not self._output_filename_config.has_section('output'): + self._output_filename_config.add_section('output') + self._output_filename_config.set('output', 'filename', str(self.output_filename)) + self._output_filename_config.write(open(self.config_filename, 'w')) + + def set_mf_taps(self, mf_taps): + self.mf_taps = mf_taps + self.gr_fir_filter_xxx_0.set_taps((self.mf_taps)) + + def set_max_sync_offset(self, max_sync_offset): + self.max_sync_offset = max_sync_offset + self.sync.set_max_offset(self.max_sync_offset) + + def set_max_carrier_offset(self, max_carrier_offset): + self.max_carrier_offset = max_carrier_offset + self.pll.set_max_offset(self.max_carrier_offset) + + 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('usrp'): + self._saved_gain_config.add_section('usrp') + self._saved_gain_config.set('usrp', 'gain', str(self.gain)) + self._saved_gain_config.write(open(self.config_filename, 'w')) + self.usrp_source.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'): + self._saved_freq_config.add_section('usrp') + self._saved_freq_config.set('usrp', 'freq', str(self.freq)) + self._saved_freq_config.write(open(self.config_filename, 'w')) + self.usrp_source.set_frequency(self.freq) + + def set_decim_text(self, decim_text): + self.decim_text = decim_text + self._decim_text_static_text.set_value(self.decim_text) + +if __name__ == '__main__': + parser = OptionParser(option_class=eng_option, usage="%prog: [options]") + (options, args) = parser.parse_args() + if gr.enable_realtime_scheduling() != gr.RT_OK: + print "Error: failed to enable realtime scheduling." + tb = usrp_rx_hrpt2() + tb.Run(True) + |