+++ /dev/null
-#!/usr/bin/env python
-##################################################
-# Gnuradio Python Flow Graph
-# Title: USRP HRPT Receiver
-# Generated: Sun Sep 27 10:06:41 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_hrpt(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_hrpt()
- tb.Run(True)
-