X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=gr-noaa%2Fapps%2Ffile_rx_hrpt.py;fp=gr-noaa%2Fapps%2Ffile_rx_hrpt.py;h=13b887635814f6ea3e841355b19916f5d213dbbd;hb=8a9ddbb0675f9bfcc6e03b457fba6c79474a3693;hp=0000000000000000000000000000000000000000;hpb=82d471b9b4a8b389b5da44b19c69c36420828382;p=debian%2Fgnuradio diff --git a/gr-noaa/apps/file_rx_hrpt.py b/gr-noaa/apps/file_rx_hrpt.py new file mode 100755 index 00000000..13b88763 --- /dev/null +++ b/gr-noaa/apps/file_rx_hrpt.py @@ -0,0 +1,287 @@ +#!/usr/bin/env python +################################################## +# Gnuradio Python Flow Graph +# Title: USRP HRPT Receiver +# Generated: Mon Nov 9 07:47:17 2009 +################################################## + +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): + + 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 + + ################################################## + # 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.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._output_filename_config = ConfigParser.ConfigParser() + self._output_filename_config.read(config_filename) + try: output_filename = self._output_filename_config.get('usrp_rx_hrpt', 'filename') + except: output_filename = 'frames.hrpt' + self.output_filename = output_filename + 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) + + ################################################## + # 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) + + ################################################## + # 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.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.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 + + def set_decim(self, decim): + self.decim = decim + self.set_sample_rate(64e6/self.decim) + + 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 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) + + def set_config_filename(self, config_filename): + self.config_filename = config_filename + 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 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')) + + 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('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')) + + def set_max_clock_offset(self, max_clock_offset): + self.max_clock_offset = max_clock_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_hs(self, hs): + self.hs = hs + self.gr_moving_average_xx_0.set_length_and_scale(self.hs, 1.0/self.hs) + + 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')) + +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) +