##################################################
# Gnuradio Python Flow Graph
# Title: USRP HRPT Receiver
-# Generated: Tue Sep 8 21:03:12 2009
+# Generated: Mon Nov 9 07:56:11 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 usrp as grc_usrp
from grc_gnuradio import wxgui as grc_wxgui
from optparse import OptionParser
-import math
+import ConfigParser
+import math, os
import wx
class usrp_rx_hrpt(grc_wxgui.top_block_gui):
##################################################
# Variables
##################################################
- self.decim = decim = 16
+ self.config_filename = config_filename = os.environ['HOME']+'/.gnuradio/config.conf'
+ self._decim_config = ConfigParser.ConfigParser()
+ self._decim_config.read(config_filename)
+ try: decim = self._decim_config.getfloat('usrp_rx_hrpt', 'decim')
+ except: decim = 32
+ 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.sync_alpha = sync_alpha = 0.001
- self.pll_alpha = pll_alpha = 0.001
- self.max_sync_offset = max_sync_offset = 0.01
+ self._side_config = ConfigParser.ConfigParser()
+ self._side_config.read(config_filename)
+ try: side = self._side_config.get('usrp_rx_hrpt', 'side')
+ except: side = 'A'
+ self.side = side
+ 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_gain_config = ConfigParser.ConfigParser()
+ self._saved_gain_config.read(config_filename)
+ try: saved_gain = self._saved_gain_config.getfloat('usrp_rx_hrpt', '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_rx_hrpt', 'freq')
+ except: saved_freq = 1698e6
+ self.saved_freq = saved_freq
+ 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.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('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.gain = gain = saved_gain
+ self.freq = freq = saved_freq
+ self.decim_text = decim_text = decim
+ 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), "RX")
- self.displays.AddPage(grc_wxgui.Panel(self.displays), "PLL/SYNC")
- self.GridAdd(self.displays, 1, 0, 1, 2)
+ self.displays.AddPage(grc_wxgui.Panel(self.displays), "Spectrum")
+ self.displays.AddPage(grc_wxgui.Panel(self.displays), "Demod")
+ self.GridAdd(self.displays, 2, 0, 1, 4)
##################################################
# 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(
+ self._side_text_static_text = forms.static_text(
parent=self.GetWin(),
- sizer=_sync_alpha_sizer,
- value=self.sync_alpha,
- callback=self.set_sync_alpha,
- minimum=0.0,
- maximum=0.5,
- num_steps=500,
- style=wx.SL_HORIZONTAL,
- cast=float,
- proportion=1,
+ value=self.side_text,
+ callback=self.set_side_text,
+ label="USRP Side",
+ converter=forms.str_converter(),
)
- self.GridAdd(_sync_alpha_sizer, 0, 1, 1, 1)
+ 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(),
callback=self.set_pll_alpha,
minimum=0.0,
maximum=0.5,
- num_steps=500,
+ 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(_pll_alpha_sizer, 0, 0, 1, 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)
+ _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, 3, 1, 1)
##################################################
# Blocks
##################################################
- self.agr = gr.agc_cc(1e-6, 1.0, 1.0, 1.0)
- self.gr_char_to_float_0 = gr.char_to_float()
- self.noaa_hrpt_deframer_0 = noaa.hrpt_deframer()
- self.noaa_hrpt_pll_cf_0 = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
- self.noaa_hrpt_sync_fb_0 = noaa.hrpt_sync_fb(0.001, 0.001**2/4.0, sps, max_sync_offset)
- self.rx_fftsink = fftsink2.fft_sink_c(
+ self.agc = gr.agc_cc(1e-6, 1.0, 1.0, 1.0)
+ self.decoder = noaa.hrpt_decoder(True,True)
+ 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_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=1698e6,
+ baseband_freq=freq,
y_per_div=5,
y_divs=8,
ref_level=-5,
ref_scale=2.0,
sample_rate=sample_rate,
fft_size=1024,
- fft_rate=30,
+ 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_fftsink.win, 0, 0, 1, 1)
- self.src = gr.file_source(gr.sizeof_gr_complex*1, "poes-d16.dat", True)
- self.throttle = gr.throttle(gr.sizeof_gr_complex*1, sample_rate)
- self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
- self.displays.GetPage(0).GetWin(),
- title="RX Waveform",
- sample_rate=sample_rate,
- v_scale=0,
- t_scale=20.0/sample_rate,
- ac_couple=False,
- xy_mode=False,
- num_inputs=1,
- )
- self.displays.GetPage(0).GridAdd(self.wxgui_scopesink2_0.win, 1, 0, 1, 1)
- self.wxgui_scopesink2_0_0 = scopesink2.scope_sink_f(
- self.displays.GetPage(1).GetWin(),
- title="Post-PLL",
- sample_rate=sample_rate,
- v_scale=0.5,
- t_scale=20.0/sample_rate,
- ac_couple=False,
- xy_mode=False,
- num_inputs=1,
- )
- self.displays.GetPage(1).GridAdd(self.wxgui_scopesink2_0_0.win, 0, 0, 1, 1)
- self.wxgui_scopesink2_0_0_0_0 = scopesink2.scope_sink_f(
- self.displays.GetPage(1).GetWin(),
- title="Post-SYNC",
- sample_rate=sym_rate,
- v_scale=0.5,
- t_scale=20.0/sym_rate,
- ac_couple=False,
- xy_mode=False,
- num_inputs=1,
- )
- self.displays.GetPage(1).GridAdd(self.wxgui_scopesink2_0_0_0_0.win, 1, 0, 1, 1)
+ self.displays.GetPage(0).GridAdd(self.rx_fft.win, 0, 0, 1, 1)
+ 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.src, 0), (self.throttle, 0))
- self.connect((self.throttle, 0), (self.agr, 0))
- self.connect((self.agr, 0), (self.rx_fftsink, 0))
- self.connect((self.agr, 0), (self.wxgui_scopesink2_0, 0))
- self.connect((self.agr, 0), (self.noaa_hrpt_pll_cf_0, 0))
- self.connect((self.noaa_hrpt_pll_cf_0, 0), (self.wxgui_scopesink2_0_0, 0))
- self.connect((self.noaa_hrpt_sync_fb_0, 0), (self.gr_char_to_float_0, 0))
- self.connect((self.noaa_hrpt_pll_cf_0, 0), (self.noaa_hrpt_sync_fb_0, 0))
- self.connect((self.gr_char_to_float_0, 0), (self.wxgui_scopesink2_0_0_0_0, 0))
- self.connect((self.noaa_hrpt_sync_fb_0, 0), (self.noaa_hrpt_deframer_0, 0))
+ 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.usrp_source, 0), (self.agc, 0))
+ self.connect((self.agc, 0), (self.rx_fft, 0))
+ self.connect((self.gr_binary_slicer_fb_0, 0), (self.deframer, 0))
+
+ def set_config_filename(self, config_filename):
+ self.config_filename = config_filename
+ self._saved_freq_config = ConfigParser.ConfigParser()
+ self._saved_freq_config.read(self.config_filename)
+ if not self._saved_freq_config.has_section('usrp_rx_hrpt'):
+ self._saved_freq_config.add_section('usrp_rx_hrpt')
+ self._saved_freq_config.set('usrp_rx_hrpt', '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_rx_hrpt'):
+ self._saved_gain_config.add_section('usrp_rx_hrpt')
+ self._saved_gain_config.set('usrp_rx_hrpt', 'gain', str(self.gain))
+ self._saved_gain_config.write(open(self.config_filename, 'w'))
+ self._side_config = ConfigParser.ConfigParser()
+ self._side_config.read(self.config_filename)
+ if not self._side_config.has_section('usrp_rx_hrpt'):
+ self._side_config.add_section('usrp_rx_hrpt')
+ self._side_config.set('usrp_rx_hrpt', '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_rx_hrpt'):
+ self._decim_config.add_section('usrp_rx_hrpt')
+ self._decim_config.set('usrp_rx_hrpt', 'decim', str(self.decim))
+ self._decim_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'))
+ 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_decim(self, decim):
self.decim = decim
self.set_sample_rate(64e6/self.decim)
+ self.set_decim_text(self.decim)
+ self.usrp_source.set_decim_rate(self.decim)
+ self._decim_config = ConfigParser.ConfigParser()
+ self._decim_config.read(self.config_filename)
+ if not self._decim_config.has_section('usrp_rx_hrpt'):
+ self._decim_config.add_section('usrp_rx_hrpt')
+ self._decim_config.set('usrp_rx_hrpt', 'decim', str(self.decim))
+ self._decim_config.write(open(self.config_filename, 'w'))
def set_sym_rate(self, sym_rate):
self.sym_rate = sym_rate
self.set_sps(self.sample_rate/self.sym_rate)
- self.wxgui_scopesink2_0_0_0_0.set_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.set_max_carrier_offset(2*math.pi*100e3/self.sample_rate)
- self.wxgui_scopesink2_0.set_sample_rate(self.sample_rate)
- self.wxgui_scopesink2_0_0.set_sample_rate(self.sample_rate)
- self.rx_fftsink.set_sample_rate(self.sample_rate)
+ self.set_sps(self.sample_rate/self.sym_rate)
+ self.rx_fft.set_sample_rate(self.sample_rate)
def set_sps(self, sps):
self.sps = sps
self.set_hs(int(self.sps/2.0))
+ self.gr_clock_recovery_mm_xx_0.set_omega(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_rx_hrpt'):
+ self._side_config.add_section('usrp_rx_hrpt')
+ self._side_config.set('usrp_rx_hrpt', 'side', str(self.side))
+ self._side_config.write(open(self.config_filename, 'w'))
- 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)
+ 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_saved_clock_alpha(self, saved_clock_alpha):
+ self.saved_clock_alpha = saved_clock_alpha
+ self.set_clock_alpha(self.saved_clock_alpha)
+
+ 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.noaa_hrpt_pll_cf_0.set_alpha(self.pll_alpha)
- self.noaa_hrpt_pll_cf_0.set_beta(self.pll_alpha**2/4.0)
+ self.pll.set_alpha(self.pll_alpha)
+ self.pll.set_beta(self.pll_alpha**2/4.0)
+ 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_sync_offset(self, max_sync_offset):
- self.max_sync_offset = max_sync_offset
- self.noaa_hrpt_sync_fb_0.set_max_offset(self.max_sync_offset)
+ 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.noaa_hrpt_pll_cf_0.set_max_offset(self.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_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_rx_hrpt'):
+ self._saved_gain_config.add_section('usrp_rx_hrpt')
+ self._saved_gain_config.set('usrp_rx_hrpt', '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_rx_hrpt'):
+ self._saved_freq_config.add_section('usrp_rx_hrpt')
+ self._saved_freq_config.set('usrp_rx_hrpt', 'freq', str(self.freq))
+ self._saved_freq_config.write(open(self.config_filename, 'w'))
+ self.usrp_source.set_frequency(self.freq)
+ self.rx_fft.set_baseband_freq(self.freq)
+
+ def set_decim_text(self, decim_text):
+ self.decim_text = decim_text
+ self._decim_text_static_text.set_value(self.decim_text)
+
+ def set_clock_alpha(self, clock_alpha):
+ self.clock_alpha = clock_alpha
+ self._clock_alpha_slider.set_value(self.clock_alpha)
+ self._clock_alpha_text_box.set_value(self.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._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]")