diff options
Diffstat (limited to 'gr-noaa/apps/file_rx_hrpt.py')
| -rwxr-xr-x | gr-noaa/apps/file_rx_hrpt.py | 334 |
1 files changed, 143 insertions, 191 deletions
diff --git a/gr-noaa/apps/file_rx_hrpt.py b/gr-noaa/apps/file_rx_hrpt.py index 13b887635..fcd1832f6 100755 --- a/gr-noaa/apps/file_rx_hrpt.py +++ b/gr-noaa/apps/file_rx_hrpt.py @@ -2,53 +2,36 @@ ################################################## # Gnuradio Python Flow Graph # Title: USRP HRPT Receiver -# Generated: Mon Nov 9 07:47:17 2009 +# Generated: Thu Oct 27 13:48:25 2011 ################################################## +from gnuradio import digital from gnuradio import eng_notation from gnuradio import gr from gnuradio import noaa -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 wxgui as grc_wxgui from optparse import OptionParser import ConfigParser import math, os -import wx -class file_rx_hrpt(grc_wxgui.top_block_gui): +class file_rx_hrpt(gr.top_block): - def __init__(self, input_filename="usrp.dat", decim=32): - grc_wxgui.top_block_gui.__init__(self, title="USRP HRPT Receiver") - - ################################################## - # Parameters - ################################################## - self.input_filename = input_filename - self.decim = decim + def __init__(self): + gr.top_block.__init__(self, "USRP HRPT Receiver") ################################################## # Variables ################################################## self.sym_rate = sym_rate = 600*1109 - self.sample_rate = sample_rate = 64e6/decim - self.config_filename = config_filename = os.environ['HOME']+'/.gnuradio/config.conf' + self.sample_rate = sample_rate = 4e6 self.sps = sps = sample_rate/sym_rate - 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('usrp_rx_hrpt', 'pll_alpha') - except: saved_pll_alpha = 0.01 - self.saved_pll_alpha = saved_pll_alpha - self._saved_clock_alpha_config = ConfigParser.ConfigParser() - self._saved_clock_alpha_config.read(config_filename) - try: saved_clock_alpha = self._saved_clock_alpha_config.getfloat('usrp_rx_hrpt', 'clock_alpha') - except: saved_clock_alpha = 0.01 - self.saved_clock_alpha = saved_clock_alpha - self.pll_alpha = pll_alpha = saved_pll_alpha + self.config_filename = config_filename = os.environ['HOME']+'/.gnuradio/config.conf' + self._pll_alpha_config = ConfigParser.ConfigParser() + self._pll_alpha_config.read(config_filename) + try: pll_alpha = self._pll_alpha_config.getfloat('usrp_rx_hrpt', 'pll_alpha') + except: pll_alpha = 0.01 + self.pll_alpha = pll_alpha self._output_filename_config = ConfigParser.ConfigParser() self._output_filename_config.read(config_filename) try: output_filename = self._output_filename_config.get('usrp_rx_hrpt', 'filename') @@ -57,190 +40,127 @@ class file_rx_hrpt(grc_wxgui.top_block_gui): self.max_clock_offset = max_clock_offset = 100e-6 self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/sample_rate self.hs = hs = int(sps/2.0) - self.clock_alpha = clock_alpha = saved_clock_alpha - - ################################################## - # Notebooks - ################################################## - self.displays = wx.Notebook(self.GetWin(), style=wx.NB_TOP) - self.displays.AddPage(grc_wxgui.Panel(self.displays), "Spectrum") - self.displays.AddPage(grc_wxgui.Panel(self.displays), "Demod") - self.GridAdd(self.displays, 1, 0, 1, 2) - - ################################################## - # Controls - ################################################## - _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, 0, 1, 1) - _clock_alpha_sizer = wx.BoxSizer(wx.VERTICAL) - self._clock_alpha_text_box = forms.text_box( - parent=self.GetWin(), - sizer=_clock_alpha_sizer, - value=self.clock_alpha, - callback=self.set_clock_alpha, - label="Clock Alpha", - converter=forms.float_converter(), - proportion=0, - ) - self._clock_alpha_slider = forms.slider( - parent=self.GetWin(), - sizer=_clock_alpha_sizer, - value=self.clock_alpha, - callback=self.set_clock_alpha, - minimum=0.0, - maximum=0.5, - num_steps=100, - style=wx.SL_HORIZONTAL, - cast=float, - proportion=1, - ) - self.GridAdd(_clock_alpha_sizer, 0, 1, 1, 1) + self._gain_config = ConfigParser.ConfigParser() + self._gain_config.read(config_filename) + try: gain = self._gain_config.getfloat('usrp_rx_hrpt', 'gain') + except: gain = 35 + self.gain = gain + self._freq_config = ConfigParser.ConfigParser() + self._freq_config.read(config_filename) + try: freq = self._freq_config.getfloat('usrp_rx_hrpt', 'freq') + except: freq = 1698e6 + self.freq = freq + self._clock_alpha_config = ConfigParser.ConfigParser() + self._clock_alpha_config.read(config_filename) + try: clock_alpha = self._clock_alpha_config.getfloat('usrp_rx_hrpt', 'clock_alpha') + except: clock_alpha = 0.01 + self.clock_alpha = clock_alpha ################################################## # Blocks ################################################## - self.agc = gr.agc_cc(1e-6, 1.0, 1.0, 1.0) - self.decoder = noaa.hrpt_decoder(True,False) - self.deframer = noaa.hrpt_deframer() - self.demod_scope = scopesink2.scope_sink_f( - self.displays.GetPage(1).GetWin(), - title="Post-Demod", - sample_rate=sym_rate*2.0, - v_scale=0.5, - v_offset=0, - t_scale=10.0/sym_rate, - ac_couple=False, - xy_mode=False, - num_inputs=1, - ) - self.displays.GetPage(1).GridAdd(self.demod_scope.win, 0, 0, 1, 1) - self.frame_sink = gr.file_sink(gr.sizeof_short*1, output_filename) - self.gr_binary_slicer_fb_0 = gr.binary_slicer_fb() - self.gr_clock_recovery_mm_xx_0 = gr.clock_recovery_mm_ff(sps/2.0, clock_alpha**2/4.0, 0.5, clock_alpha, max_clock_offset) - self.gr_file_source_0 = gr.file_source(gr.sizeof_short*1, input_filename, False) - self.gr_interleaved_short_to_complex_0 = gr.interleaved_short_to_complex() - self.gr_moving_average_xx_0 = gr.moving_average_ff(hs, 1.0/hs, 4000) - self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset) - self.rx_fft = fftsink2.fft_sink_c( - self.displays.GetPage(0).GetWin(), - baseband_freq=0, - y_per_div=5, - y_divs=8, - ref_level=-5, - ref_scale=2.0, - sample_rate=sample_rate, - fft_size=1024, - fft_rate=15, - average=True, - avg_alpha=0.1, - title="RX Spectrum", - peak_hold=False, - size=(640, 360), - ) - self.displays.GetPage(0).GridAdd(self.rx_fft.win, 0, 0, 1, 1) self.throttle = gr.throttle(gr.sizeof_short*1, 2*sample_rate) + self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset) + self.gr_moving_average_xx_0 = gr.moving_average_ff(hs, 1.0/hs, 4000) + self.gr_interleaved_short_to_complex_0 = gr.interleaved_short_to_complex() + self.gr_file_source_0 = gr.file_source(gr.sizeof_short*1, "input_filename", False) + self.frame_sink = gr.file_sink(gr.sizeof_short*1, output_filename) + self.frame_sink.set_unbuffered(False) + self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_ff(sps/2.0, clock_alpha**2/4.0, 0.5, clock_alpha, max_clock_offset) + self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb() + self.deframer = noaa.hrpt_deframer() + self.decoder = noaa.hrpt_decoder(True,True) + self.agc = gr.agc_cc(1e-6, 1.0, 1.0, 1.0) ################################################## # Connections ################################################## - self.connect((self.gr_clock_recovery_mm_xx_0, 0), (self.gr_binary_slicer_fb_0, 0)) - self.connect((self.deframer, 0), (self.frame_sink, 0)) - self.connect((self.deframer, 0), (self.decoder, 0)) - self.connect((self.gr_clock_recovery_mm_xx_0, 0), (self.demod_scope, 0)) - self.connect((self.gr_moving_average_xx_0, 0), (self.gr_clock_recovery_mm_xx_0, 0)) + self.connect((self.gr_moving_average_xx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) self.connect((self.pll, 0), (self.gr_moving_average_xx_0, 0)) self.connect((self.agc, 0), (self.pll, 0)) - self.connect((self.agc, 0), (self.rx_fft, 0)) + self.connect((self.deframer, 0), (self.decoder, 0)) + self.connect((self.deframer, 0), (self.frame_sink, 0)) self.connect((self.gr_interleaved_short_to_complex_0, 0), (self.agc, 0)) self.connect((self.throttle, 0), (self.gr_interleaved_short_to_complex_0, 0)) self.connect((self.gr_file_source_0, 0), (self.throttle, 0)) - self.connect((self.gr_binary_slicer_fb_0, 0), (self.deframer, 0)) - - def set_input_filename(self, input_filename): - self.input_filename = input_filename + self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0)) + self.connect((self.digital_binary_slicer_fb_0, 0), (self.deframer, 0)) - def set_decim(self, decim): - self.decim = decim - self.set_sample_rate(64e6/self.decim) + def get_sym_rate(self): + return self.sym_rate def set_sym_rate(self, sym_rate): self.sym_rate = sym_rate self.set_sps(self.sample_rate/self.sym_rate) - self.demod_scope.set_sample_rate(self.sym_rate*2.0) + + def get_sample_rate(self): + return self.sample_rate def set_sample_rate(self, sample_rate): self.sample_rate = sample_rate - self.set_sps(self.sample_rate/self.sym_rate) - self.rx_fft.set_sample_rate(self.sample_rate) self.set_max_carrier_offset(2*math.pi*100e3/self.sample_rate) + self.set_sps(self.sample_rate/self.sym_rate) + + def get_sps(self): + return self.sps + + def set_sps(self, sps): + self.sps = sps + self.set_hs(int(self.sps/2.0)) + self.digital_clock_recovery_mm_xx_0.set_omega(self.sps/2.0) + + def get_config_filename(self): + return self.config_filename def set_config_filename(self, config_filename): self.config_filename = config_filename + self._freq_config = ConfigParser.ConfigParser() + self._freq_config.read(self.config_filename) + if not self._freq_config.has_section('usrp_rx_hrpt'): + self._freq_config.add_section('usrp_rx_hrpt') + self._freq_config.set('usrp_rx_hrpt', 'freq', str(self.freq)) + self._freq_config.write(open(self.config_filename, 'w')) + self._gain_config = ConfigParser.ConfigParser() + self._gain_config.read(self.config_filename) + if not self._gain_config.has_section('usrp_rx_hrpt'): + self._gain_config.add_section('usrp_rx_hrpt') + self._gain_config.set('usrp_rx_hrpt', 'gain', str(self.gain)) + self._gain_config.write(open(self.config_filename, 'w')) + self._pll_alpha_config = ConfigParser.ConfigParser() + self._pll_alpha_config.read(self.config_filename) + if not self._pll_alpha_config.has_section('usrp_rx_hrpt'): + self._pll_alpha_config.add_section('usrp_rx_hrpt') + self._pll_alpha_config.set('usrp_rx_hrpt', 'pll_alpha', str(self.pll_alpha)) + self._pll_alpha_config.write(open(self.config_filename, 'w')) + self._clock_alpha_config = ConfigParser.ConfigParser() + self._clock_alpha_config.read(self.config_filename) + if not self._clock_alpha_config.has_section('usrp_rx_hrpt'): + self._clock_alpha_config.add_section('usrp_rx_hrpt') + self._clock_alpha_config.set('usrp_rx_hrpt', 'clock_alpha', str(self.clock_alpha)) + self._clock_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('usrp_rx_hrpt'): self._output_filename_config.add_section('usrp_rx_hrpt') self._output_filename_config.set('usrp_rx_hrpt', 'filename', str(self.output_filename)) self._output_filename_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('usrp_rx_hrpt'): - self._saved_pll_alpha_config.add_section('usrp_rx_hrpt') - self._saved_pll_alpha_config.set('usrp_rx_hrpt', 'pll_alpha', str(self.pll_alpha)) - self._saved_pll_alpha_config.write(open(self.config_filename, 'w')) - self._saved_clock_alpha_config = ConfigParser.ConfigParser() - self._saved_clock_alpha_config.read(self.config_filename) - if not self._saved_clock_alpha_config.has_section('usrp_rx_hrpt'): - self._saved_clock_alpha_config.add_section('usrp_rx_hrpt') - self._saved_clock_alpha_config.set('usrp_rx_hrpt', 'clock_alpha', str(self.clock_alpha)) - self._saved_clock_alpha_config.write(open(self.config_filename, 'w')) - - def set_sps(self, sps): - self.sps = sps - self.gr_clock_recovery_mm_xx_0.set_omega(self.sps/2.0) - self.set_hs(int(self.sps/2.0)) - 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_clock_alpha(self, saved_clock_alpha): - self.saved_clock_alpha = saved_clock_alpha - self.set_clock_alpha(self.saved_clock_alpha) + def get_pll_alpha(self): + return self.pll_alpha def set_pll_alpha(self, pll_alpha): self.pll_alpha = pll_alpha self.pll.set_alpha(self.pll_alpha) self.pll.set_beta(self.pll_alpha**2/4.0) - 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('usrp_rx_hrpt'): - self._saved_pll_alpha_config.add_section('usrp_rx_hrpt') - self._saved_pll_alpha_config.set('usrp_rx_hrpt', 'pll_alpha', str(self.pll_alpha)) - self._saved_pll_alpha_config.write(open(self.config_filename, 'w')) + self._pll_alpha_config = ConfigParser.ConfigParser() + self._pll_alpha_config.read(self.config_filename) + if not self._pll_alpha_config.has_section('usrp_rx_hrpt'): + self._pll_alpha_config.add_section('usrp_rx_hrpt') + self._pll_alpha_config.set('usrp_rx_hrpt', 'pll_alpha', str(self.pll_alpha)) + self._pll_alpha_config.write(open(self.config_filename, 'w')) + + def get_output_filename(self): + return self.output_filename def set_output_filename(self, output_filename): self.output_filename = output_filename @@ -251,37 +171,69 @@ class file_rx_hrpt(grc_wxgui.top_block_gui): self._output_filename_config.set('usrp_rx_hrpt', 'filename', str(self.output_filename)) self._output_filename_config.write(open(self.config_filename, 'w')) + def get_max_clock_offset(self): + return self.max_clock_offset + def set_max_clock_offset(self, max_clock_offset): self.max_clock_offset = max_clock_offset + def get_max_carrier_offset(self): + return self.max_carrier_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 get_hs(self): + return self.hs + def set_hs(self, hs): self.hs = hs self.gr_moving_average_xx_0.set_length_and_scale(self.hs, 1.0/self.hs) + def get_gain(self): + return self.gain + + def set_gain(self, gain): + self.gain = gain + self._gain_config = ConfigParser.ConfigParser() + self._gain_config.read(self.config_filename) + if not self._gain_config.has_section('usrp_rx_hrpt'): + self._gain_config.add_section('usrp_rx_hrpt') + self._gain_config.set('usrp_rx_hrpt', 'gain', str(self.gain)) + self._gain_config.write(open(self.config_filename, 'w')) + + def get_freq(self): + return self.freq + + def set_freq(self, freq): + self.freq = freq + self._freq_config = ConfigParser.ConfigParser() + self._freq_config.read(self.config_filename) + if not self._freq_config.has_section('usrp_rx_hrpt'): + self._freq_config.add_section('usrp_rx_hrpt') + self._freq_config.set('usrp_rx_hrpt', 'freq', str(self.freq)) + self._freq_config.write(open(self.config_filename, 'w')) + + def get_clock_alpha(self): + return self.clock_alpha + def set_clock_alpha(self, clock_alpha): self.clock_alpha = clock_alpha - self.gr_clock_recovery_mm_xx_0.set_gain_omega(self.clock_alpha**2/4.0) - self.gr_clock_recovery_mm_xx_0.set_gain_mu(self.clock_alpha) - self._clock_alpha_slider.set_value(self.clock_alpha) - self._clock_alpha_text_box.set_value(self.clock_alpha) - self._saved_clock_alpha_config = ConfigParser.ConfigParser() - self._saved_clock_alpha_config.read(self.config_filename) - if not self._saved_clock_alpha_config.has_section('usrp_rx_hrpt'): - self._saved_clock_alpha_config.add_section('usrp_rx_hrpt') - self._saved_clock_alpha_config.set('usrp_rx_hrpt', 'clock_alpha', str(self.clock_alpha)) - self._saved_clock_alpha_config.write(open(self.config_filename, 'w')) + self.digital_clock_recovery_mm_xx_0.set_gain_omega(self.clock_alpha**2/4.0) + self.digital_clock_recovery_mm_xx_0.set_gain_mu(self.clock_alpha) + self._clock_alpha_config = ConfigParser.ConfigParser() + self._clock_alpha_config.read(self.config_filename) + if not self._clock_alpha_config.has_section('usrp_rx_hrpt'): + self._clock_alpha_config.add_section('usrp_rx_hrpt') + self._clock_alpha_config.set('usrp_rx_hrpt', 'clock_alpha', str(self.clock_alpha)) + self._clock_alpha_config.write(open(self.config_filename, 'w')) if __name__ == '__main__': parser = OptionParser(option_class=eng_option, usage="%prog: [options]") - parser.add_option("-F", "--input-filename", dest="input_filename", type="string", default="usrp.dat", - help="Set usrp.dat [default=%default]") - parser.add_option("-d", "--decim", dest="decim", type="intx", default=32, - help="Set decim [default=%default]") (options, args) = parser.parse_args() - tb = file_rx_hrpt(input_filename=options.input_filename, decim=options.decim) - tb.Run(True) + tb = file_rx_hrpt() + tb.start() + raw_input('Press Enter to quit: ') + tb.stop() |