def __init__(self, decim=32, pll_alpha=0.01, clock_alpha=0.01, input_filename="frames.hrpt"): gr.top_block.__init__(self, "Hrpt Decode") ################################################## # Parameters ################################################## self.decim = decim self.pll_alpha = pll_alpha self.clock_alpha = clock_alpha self.input_filename = input_filename ################################################## # Variables ################################################## self.sym_rate = sym_rate = 600*1109 self.sample_rate = sample_rate = 64e6/decim self.sps = sps = sample_rate/sym_rate 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) ################################################## # Blocks ################################################## self.decoder = noaa.hrpt_decoder(True,True) self.file_source = gr.file_source(gr.sizeof_short*1, input_filename, False) ################################################## # Connections ################################################## self.connect((self.file_source, 0), (self.decoder, 0))
def __init__(self, filename="usrp.dat", output="frames.dat", decim=16, pll_alpha=0.05, sync_alpha=0.05): gr.top_block.__init__(self, "USRP HRPT Receiver") ################################################## # Parameters ################################################## self.filename = filename self.output = output self.decim = decim self.pll_alpha = pll_alpha self.sync_alpha = sync_alpha ################################################## # Variables ################################################## self.sym_rate = sym_rate = 600*1109 self.sample_rate = sample_rate = 64e6/decim self.sps = sps = sample_rate/sym_rate self.hs = hs = int(sps/2.0) 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 ################################################## # Blocks ################################################## self.decoder = noaa.hrpt_decoder() self.deframer = noaa.hrpt_deframer() self.deinterleave = gr.deinterleave(gr.sizeof_float*1) self.f2c = gr.float_to_complex(1) self.file_sink = gr.file_sink(gr.sizeof_short*1, output) self.file_source = gr.file_source(gr.sizeof_short*1, filename, False) 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.s2f = gr.short_to_float() self.sync = noaa.hrpt_sync_fb(sync_alpha, sync_alpha**2/4.0, sps, max_sync_offset) ################################################## # Connections ################################################## self.connect((self.deframer, 0), (self.file_sink, 0)) self.connect((self.sync, 0), (self.deframer, 0)) self.connect((self.pll, 0), (self.sync, 0)) self.connect((self.deinterleave, 1), (self.f2c, 1)) self.connect((self.deinterleave, 0), (self.f2c, 0)) self.connect((self.deframer, 0), (self.decoder, 0)) self.connect((self.gr_fir_filter_xxx_0, 0), (self.pll, 0)) self.connect((self.f2c, 0), (self.gr_fir_filter_xxx_0, 0)) self.connect((self.s2f, 0), (self.deinterleave, 0)) self.connect((self.file_source, 0), (self.s2f, 0))
def __init__(self, input_filename="usrp.dat", output_filename="frames.dat", decim=32, pll_alpha=0.01, clock_alpha=0.01): gr.top_block.__init__(self, "Hrpt Demod") ################################################## # Parameters ################################################## self.input_filename = input_filename self.output_filename = output_filename self.decim = decim self.pll_alpha = pll_alpha self.clock_alpha = clock_alpha ################################################## # Variables ################################################## self.sym_rate = sym_rate = 600*1109 self.sample_rate = sample_rate = 4e6 self.sps = sps = sample_rate/sym_rate 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) ################################################## # Blocks ################################################## self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset) self.noaa_hrpt_deframer_0 = noaa.hrpt_deframer() self.gr_moving_average_xx_0 = gr.moving_average_ff(hs, 1.0/hs, 4000) self.gr_file_sink_0 = gr.file_sink(gr.sizeof_short*1, output_filename) self.gr_file_sink_0.set_unbuffered(False) self.file_source = gr.file_source(gr.sizeof_short*1, input_filename, 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.decoder = noaa.hrpt_decoder(True,False) self.cs2cf = gr.interleaved_short_to_complex() self.agc = gr.agc_cc(1e-5, 1.0, 1.0/32768.0, 1.0) ################################################## # Connections ################################################## self.connect((self.file_source, 0), (self.cs2cf, 0)) self.connect((self.pll, 0), (self.gr_moving_average_xx_0, 0)) self.connect((self.cs2cf, 0), (self.agc, 0)) self.connect((self.agc, 0), (self.pll, 0)) self.connect((self.noaa_hrpt_deframer_0, 0), (self.gr_file_sink_0, 0)) self.connect((self.noaa_hrpt_deframer_0, 0), (self.decoder, 0)) self.connect((self.gr_moving_average_xx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0)) 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.noaa_hrpt_deframer_0, 0))
def __init__(self,
decim=32,
pll_alpha=0.01,
clock_alpha=0.01,
input_filename="frames.hrpt"):
gr.top_block.__init__(self, "Hrpt Decode")
##################################################
# Parameters
##################################################
self.decim = decim
self.pll_alpha = pll_alpha
self.clock_alpha = clock_alpha
self.input_filename = input_filename
##################################################
# Variables
##################################################
self.sym_rate = sym_rate = 600 * 1109
self.sample_rate = sample_rate = 64e6 / decim
self.sps = sps = sample_rate / sym_rate
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)
##################################################
# Blocks
##################################################
self.decoder = noaa.hrpt_decoder(True, True)
self.file_source = gr.file_source(gr.sizeof_short * 1, input_filename,
False)
##################################################
# Connections
##################################################
self.connect((self.file_source, 0), (self.decoder, 0))
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 __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="USRP HRPT Receiver")
##################################################
# Variables
##################################################
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._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), "Spectrum")
self.displays.AddPage(grc_wxgui.Panel(self.displays), "Demod")
self.GridAdd(self.displays, 2, 0, 1, 4)
##################################################
# Controls
##################################################
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)
_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.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=freq,
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.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_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 __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 __init__(self, satellite='NOAAxx', decim=50, baseband_file="/home/martin/GNURadioData/hrpt/baseband/HRPT_NOAA19_2010-09-10_12-35-34_UTC_U2_d50.sam", frames_file=os.environ['HOME'] + '/noaa_hrpt_frames.hmf', deframer_outsync_frames=5, deframer_insync_frames=2, clock_alpha=0.005, gain_mu=0.005, pll_alpha=0.005, pll_beta=0.00001, deframer_sync_check=True, symb_rate=600*1109):
grc_wxgui.top_block_gui.__init__(self, title="NOAA HRPT Receiver from baseband file")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.satellite = satellite
self.decim = decim
self.baseband_file = baseband_file
self.frames_file = frames_file
self.deframer_outsync_frames = deframer_outsync_frames
self.deframer_insync_frames = deframer_insync_frames
self.clock_alpha = clock_alpha
self.gain_mu = gain_mu
self.pll_alpha = pll_alpha
self.pll_beta = pll_beta
self.deframer_sync_check = deframer_sync_check
self.symb_rate = symb_rate
##################################################
# Variables
##################################################
self.decim_tb = decim_tb = decim
self.symb_rate_tb = symb_rate_tb = symb_rate
self.samp_rate = samp_rate = 100e6/decim_tb
self.sps = sps = samp_rate/symb_rate_tb
self.satellite_text = satellite_text = satellite
self.samp_rate_st = samp_rate_st = samp_rate
self.pll_beta_sl = pll_beta_sl = pll_beta
self.pll_alpha_sl = pll_alpha_sl = pll_alpha
self.max_clock_offset = max_clock_offset = 0.1
self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/samp_rate
self.hs = hs = int(sps/2.0)
self.gain_mu_sl = gain_mu_sl = gain_mu
self.frames_file_text_inf = frames_file_text_inf = frames_file
self.deframer_sync_after_text = deframer_sync_after_text = deframer_insync_frames
self.deframer_nosync_after_text = deframer_nosync_after_text = deframer_outsync_frames
self.deframer_check_sync_text = deframer_check_sync_text = deframer_sync_check
self.datetime_text = datetime_text = strftime("%A, %B %d %Y %H:%M:%S", localtime())
self.clock_alpha_sl = clock_alpha_sl = clock_alpha
self.baseband_file_text_inf = baseband_file_text_inf = baseband_file
##################################################
# Notebooks
##################################################
self.rx_ntb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "Input baseband")
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "PLL demodulator and Clock sync")
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "Deframer")
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "Output")
self.Add(self.rx_ntb)
##################################################
# Controls
##################################################
self._decim_tb_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.decim_tb,
callback=self.set_decim_tb,
label="Decimation",
converter=forms.int_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._decim_tb_text_box, 1, 3, 1, 1)
self._symb_rate_tb_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
value=self.symb_rate_tb,
callback=self.set_symb_rate_tb,
label="Symbol rate",
converter=forms.int_converter(),
)
self.rx_ntb.GetPage(1).GridAdd(self._symb_rate_tb_text_box, 2, 1, 1, 1)
self._satellite_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.satellite_text,
callback=self.set_satellite_text,
label="Sat ",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._satellite_text_static_text, 1, 0, 1, 1)
self._samp_rate_st_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.samp_rate_st,
callback=self.set_samp_rate_st,
label="Sample rate",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._samp_rate_st_static_text, 1, 4, 1, 1)
_pll_beta_sl_sizer = wx.BoxSizer(wx.VERTICAL)
self._pll_beta_sl_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_pll_beta_sl_sizer,
value=self.pll_beta_sl,
callback=self.set_pll_beta_sl,
label="PLL Beta",
converter=forms.float_converter(),
proportion=0,
)
self._pll_beta_sl_slider = forms.slider(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_pll_beta_sl_sizer,
value=self.pll_beta_sl,
callback=self.set_pll_beta_sl,
minimum=0.000001,
maximum=0.001,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.rx_ntb.GetPage(1).GridAdd(_pll_beta_sl_sizer, 2, 0, 1, 1)
_pll_alpha_sl_sizer = wx.BoxSizer(wx.VERTICAL)
self._pll_alpha_sl_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_pll_alpha_sl_sizer,
value=self.pll_alpha_sl,
callback=self.set_pll_alpha_sl,
label="PLL Alpha",
converter=forms.float_converter(),
proportion=0,
)
self._pll_alpha_sl_slider = forms.slider(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_pll_alpha_sl_sizer,
value=self.pll_alpha_sl,
callback=self.set_pll_alpha_sl,
minimum=0.001,
maximum=0.1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.rx_ntb.GetPage(1).GridAdd(_pll_alpha_sl_sizer, 1, 0, 1, 1)
_gain_mu_sl_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_mu_sl_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_gain_mu_sl_sizer,
value=self.gain_mu_sl,
callback=self.set_gain_mu_sl,
label="Gain MU",
converter=forms.float_converter(),
proportion=0,
)
self._gain_mu_sl_slider = forms.slider(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_gain_mu_sl_sizer,
value=self.gain_mu_sl,
callback=self.set_gain_mu_sl,
minimum=0.0001,
maximum=0.01,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.rx_ntb.GetPage(1).GridAdd(_gain_mu_sl_sizer, 1, 2, 1, 1)
self._frames_file_text_inf_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(3).GetWin(),
value=self.frames_file_text_inf,
callback=self.set_frames_file_text_inf,
label="Frames filename",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(3).GridAdd(self._frames_file_text_inf_static_text, 3, 0, 1, 1)
self._deframer_sync_after_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(2).GetWin(),
value=self.deframer_sync_after_text,
callback=self.set_deframer_sync_after_text,
label="Deframe sync after",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(2).GridAdd(self._deframer_sync_after_text_static_text, 3, 0, 1, 1)
self._deframer_nosync_after_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(2).GetWin(),
value=self.deframer_nosync_after_text,
callback=self.set_deframer_nosync_after_text,
label="Deframer out of sync after",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(2).GridAdd(self._deframer_nosync_after_text_static_text, 4, 0, 1, 1)
self._deframer_check_sync_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(2).GetWin(),
value=self.deframer_check_sync_text,
callback=self.set_deframer_check_sync_text,
label="Deframer check sync enable",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(2).GridAdd(self._deframer_check_sync_text_static_text, 2, 0, 1, 1)
self._datetime_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(3).GetWin(),
value=self.datetime_text,
callback=self.set_datetime_text,
label="Local time of aquisition start",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(3).GridAdd(self._datetime_text_static_text, 1, 0, 1, 1)
_clock_alpha_sl_sizer = wx.BoxSizer(wx.VERTICAL)
self._clock_alpha_sl_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_clock_alpha_sl_sizer,
value=self.clock_alpha_sl,
callback=self.set_clock_alpha_sl,
label="Clock alpha",
converter=forms.float_converter(),
proportion=0,
)
self._clock_alpha_sl_slider = forms.slider(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_clock_alpha_sl_sizer,
value=self.clock_alpha_sl,
callback=self.set_clock_alpha_sl,
minimum=0.001,
maximum=0.1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.rx_ntb.GetPage(1).GridAdd(_clock_alpha_sl_sizer, 1, 1, 1, 1)
self._baseband_file_text_inf_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(3).GetWin(),
value=self.baseband_file_text_inf,
callback=self.set_baseband_file_text_inf,
label="Baseband filename",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(3).GridAdd(self._baseband_file_text_inf_static_text, 4, 0, 1, 1)
##################################################
# Blocks
##################################################
self.cs2cf = gr.interleaved_short_to_complex()
self.gr_agc_xx_0_0 = gr.agc_cc(10e-6, 1, 1.0/32767.0, 1.0)
self.gr_binary_slicer_fb_0 = gr.binary_slicer_fb()
self.gr_clock_recovery_mm_xx_0 = gr.clock_recovery_mm_cc(sps/2.0, clock_alpha**2/4.0, 0.5, gain_mu_sl, max_clock_offset)
self.gr_complex_to_real_0 = gr.complex_to_real(1)
self.gr_costas_loop_cc_0 = gr.costas_loop_cc(pll_alpha_sl, pll_beta_sl, 0.07, -0.07, 2)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_short*1, frames_file)
self.gr_file_sink_0_0.set_unbuffered(False)
self.gr_file_source_0 = gr.file_source(gr.sizeof_short*1, baseband_file, False)
self.gr_moving_average_xx_0 = gr.moving_average_cc(hs, 1.0/hs, 4000)
self.gr_throttle_0 = gr.throttle(gr.sizeof_short*1, samp_rate*2)
self.noaa_hrpt_decoder_0 = noaa.hrpt_decoder(True,False)
self.poesweather_univ_hrpt_deframer_0 = poesweather.univ_hrpt_deframer(deframer_sync_check, 11090, deframer_insync_frames, deframer_outsync_frames)
self.wxgui_fftsink1 = fftsink2.fft_sink_c(
self.rx_ntb.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=5,
y_divs=10,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=0.1,
title="Not filtered spectrum",
peak_hold=False,
)
self.rx_ntb.GetPage(0).Add(self.wxgui_fftsink1.win)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_c(
self.rx_ntb.GetPage(1).GetWin(),
title="PSK constellation diagram",
sample_rate=symb_rate,
v_scale=0.4,
v_offset=0,
t_scale=1/samp_rate,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
)
self.rx_ntb.GetPage(1).Add(self.wxgui_scopesink2_1.win)
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_throttle_0, 0), (self.cs2cf, 0))
self.connect((self.cs2cf, 0), (self.gr_agc_xx_0_0, 0))
self.connect((self.cs2cf, 0), (self.wxgui_fftsink1, 0))
self.connect((self.gr_complex_to_real_0, 0), (self.gr_binary_slicer_fb_0, 0))
self.connect((self.poesweather_univ_hrpt_deframer_0, 0), (self.gr_file_sink_0_0, 0))
self.connect((self.gr_binary_slicer_fb_0, 0), (self.poesweather_univ_hrpt_deframer_0, 0))
self.connect((self.poesweather_univ_hrpt_deframer_0, 0), (self.noaa_hrpt_decoder_0, 0))
self.connect((self.gr_moving_average_xx_0, 0), (self.gr_clock_recovery_mm_xx_0, 0))
self.connect((self.gr_agc_xx_0_0, 0), (self.gr_costas_loop_cc_0, 0))
self.connect((self.gr_costas_loop_cc_0, 0), (self.gr_moving_average_xx_0, 0))
self.connect((self.gr_clock_recovery_mm_xx_0, 0), (self.gr_complex_to_real_0, 0))
self.connect((self.gr_clock_recovery_mm_xx_0, 0), (self.wxgui_scopesink2_1, 0))
def __init__(self, pll_alpha=0.005, satellite='NOAA18', decim=50, gain=25, clock_alpha=0.005, freq=1707e6, deframer_sync_check=True, deframer_insync_frames=2, deframer_outsync_frames=5, symb_rate=600*1109, baseband_file=os.environ['HOME'] + '/noaa_hrpt_baseband.dat', frames_file=os.environ['HOME'] + '/noaa_hrpt_frames.hmf'):
grc_wxgui.top_block_gui.__init__(self, title="USRP2 NOAA HRPT Receiver")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.pll_alpha = pll_alpha
self.satellite = satellite
self.decim = decim
self.gain = gain
self.clock_alpha = clock_alpha
self.freq = freq
self.deframer_sync_check = deframer_sync_check
self.deframer_insync_frames = deframer_insync_frames
self.deframer_outsync_frames = deframer_outsync_frames
self.symb_rate = symb_rate
self.baseband_file = baseband_file
self.frames_file = frames_file
##################################################
# Variables
##################################################
self.decim_tb = decim_tb = decim
self.symb_rate_tb = symb_rate_tb = symb_rate
self.samp_rate = samp_rate = 100e6/decim_tb
self.sps = sps = samp_rate/symb_rate_tb
self.satellite_text = satellite_text = satellite
self.samp_rate_st = samp_rate_st = samp_rate
self.pll_alpha_sl = pll_alpha_sl = pll_alpha
self.max_clock_offset = max_clock_offset = 0.1
self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/samp_rate
self.hs = hs = int(sps/2.0)
self.gain_tb = gain_tb = gain
self.freq_tb = freq_tb = freq
self.frames_file_text_inf = frames_file_text_inf = frames_file
self.deframer_sync_after_text = deframer_sync_after_text = deframer_insync_frames
self.deframer_nosync_after_text = deframer_nosync_after_text = deframer_outsync_frames
self.deframer_check_sync_text = deframer_check_sync_text = deframer_sync_check
self.datetime_text = datetime_text = strftime("%A, %B %d %Y %H:%M:%S", localtime())
self.clock_alpha_sl = clock_alpha_sl = clock_alpha
self.baseband_file_text_inf = baseband_file_text_inf = baseband_file
##################################################
# Notebooks
##################################################
self.rx_ntb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "USRP Receiver")
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "PLL demodulator and Clock sync")
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "Deframer")
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "Output")
self.Add(self.rx_ntb)
##################################################
# Controls
##################################################
self._decim_tb_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.decim_tb,
callback=self.set_decim_tb,
label="Decimation",
converter=forms.int_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._decim_tb_text_box, 1, 3, 1, 1)
self._symb_rate_tb_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
value=self.symb_rate_tb,
callback=self.set_symb_rate_tb,
label="Symbol rate",
converter=forms.int_converter(),
)
self.rx_ntb.GetPage(1).GridAdd(self._symb_rate_tb_text_box, 2, 1, 1, 1)
self._satellite_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.satellite_text,
callback=self.set_satellite_text,
label="Sat ",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._satellite_text_static_text, 1, 0, 1, 1)
self._samp_rate_st_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.samp_rate_st,
callback=self.set_samp_rate_st,
label="Sample rate",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._samp_rate_st_static_text, 1, 4, 1, 1)
_pll_alpha_sl_sizer = wx.BoxSizer(wx.VERTICAL)
self._pll_alpha_sl_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_pll_alpha_sl_sizer,
value=self.pll_alpha_sl,
callback=self.set_pll_alpha_sl,
label="PLL Alpha",
converter=forms.float_converter(),
proportion=0,
)
self._pll_alpha_sl_slider = forms.slider(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_pll_alpha_sl_sizer,
value=self.pll_alpha_sl,
callback=self.set_pll_alpha_sl,
minimum=0.001,
maximum=0.1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.rx_ntb.GetPage(1).GridAdd(_pll_alpha_sl_sizer, 1, 0, 1, 1)
self._gain_tb_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.gain_tb,
callback=self.set_gain_tb,
label="RX gain [dB]",
converter=forms.int_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._gain_tb_text_box, 1, 2, 1, 1)
self._freq_tb_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.freq_tb,
callback=self.set_freq_tb,
label="Frequency",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._freq_tb_text_box, 1, 1, 1, 1)
self._frames_file_text_inf_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(3).GetWin(),
value=self.frames_file_text_inf,
callback=self.set_frames_file_text_inf,
label="Frames filename",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(3).GridAdd(self._frames_file_text_inf_static_text, 3, 0, 1, 1)
self._deframer_sync_after_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(2).GetWin(),
value=self.deframer_sync_after_text,
callback=self.set_deframer_sync_after_text,
label="Deframe sync after",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(2).GridAdd(self._deframer_sync_after_text_static_text, 3, 0, 1, 1)
self._deframer_nosync_after_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(2).GetWin(),
value=self.deframer_nosync_after_text,
callback=self.set_deframer_nosync_after_text,
label="Deframer out of sync after",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(2).GridAdd(self._deframer_nosync_after_text_static_text, 4, 0, 1, 1)
self._deframer_check_sync_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(2).GetWin(),
value=self.deframer_check_sync_text,
callback=self.set_deframer_check_sync_text,
label="Deframer check sync enable",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(2).GridAdd(self._deframer_check_sync_text_static_text, 2, 0, 1, 1)
self._datetime_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(3).GetWin(),
value=self.datetime_text,
callback=self.set_datetime_text,
label="Local time of aquisition start",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(3).GridAdd(self._datetime_text_static_text, 1, 0, 1, 1)
_clock_alpha_sl_sizer = wx.BoxSizer(wx.VERTICAL)
self._clock_alpha_sl_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_clock_alpha_sl_sizer,
value=self.clock_alpha_sl,
callback=self.set_clock_alpha_sl,
label="Clock alpha",
converter=forms.float_converter(),
proportion=0,
)
self._clock_alpha_sl_slider = forms.slider(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_clock_alpha_sl_sizer,
value=self.clock_alpha_sl,
callback=self.set_clock_alpha_sl,
minimum=0.001,
maximum=0.1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.rx_ntb.GetPage(1).GridAdd(_clock_alpha_sl_sizer, 1, 1, 1, 1)
self._baseband_file_text_inf_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(3).GetWin(),
value=self.baseband_file_text_inf,
callback=self.set_baseband_file_text_inf,
label="Baseband filename",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(3).GridAdd(self._baseband_file_text_inf_static_text, 4, 0, 1, 1)
##################################################
# Blocks
##################################################
self.gr_agc_xx_0 = gr.agc_cc(10e-6, 1, 1.0/32767.0, 1.0)
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_sink_0_0 = gr.file_sink(gr.sizeof_short*1, frames_file)
self.gr_file_sink_0_0.set_unbuffered(False)
self.gr_file_sink_0_1 = gr.file_sink(gr.sizeof_short*2, baseband_file)
self.gr_file_sink_0_1.set_unbuffered(False)
self.gr_float_to_complex_0 = gr.float_to_complex(1)
self.gr_moving_average_xx_0 = gr.moving_average_ff(hs, 1.0/hs, 4000)
self.gr_short_to_float_0 = gr.short_to_float()
self.gr_short_to_float_0_0 = gr.short_to_float()
self.gr_vector_to_streams_0 = gr.vector_to_streams(gr.sizeof_short*1, 2)
self.noaa_hrpt_decoder_0 = noaa.hrpt_decoder(True,False)
self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
self.poesweather_univ_hrpt_deframer_0 = poesweather.univ_hrpt_deframer(deframer_sync_check, 11090, deframer_insync_frames, deframer_outsync_frames)
self.usrp2_source_xxxx2_0 = usrp2.source_16sc()
self.usrp2_source_xxxx2_0.set_decim(decim_tb)
self.usrp2_source_xxxx2_0.set_center_freq(freq_tb)
self.usrp2_source_xxxx2_0.set_gain(gain_tb)
self.wxgui_fftsink1 = fftsink2.fft_sink_c(
self.rx_ntb.GetPage(0).GetWin(),
baseband_freq=freq,
y_per_div=5,
y_divs=10,
ref_level=65,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=0.1,
title="Not filtered spectrum",
peak_hold=False,
)
self.rx_ntb.GetPage(0).Add(self.wxgui_fftsink1.win)
##################################################
# Connections
##################################################
self.connect((self.gr_float_to_complex_0, 0), (self.wxgui_fftsink1, 0))
self.connect((self.poesweather_univ_hrpt_deframer_0, 0), (self.noaa_hrpt_decoder_0, 0))
self.connect((self.gr_binary_slicer_fb_0, 0), (self.poesweather_univ_hrpt_deframer_0, 0))
self.connect((self.poesweather_univ_hrpt_deframer_0, 0), (self.gr_file_sink_0_0, 0))
self.connect((self.gr_clock_recovery_mm_xx_0, 0), (self.gr_binary_slicer_fb_0, 0))
self.connect((self.pll, 0), (self.gr_moving_average_xx_0, 0))
self.connect((self.gr_moving_average_xx_0, 0), (self.gr_clock_recovery_mm_xx_0, 0))
self.connect((self.gr_agc_xx_0, 0), (self.pll, 0))
self.connect((self.gr_float_to_complex_0, 0), (self.gr_agc_xx_0, 0))
self.connect((self.gr_vector_to_streams_0, 0), (self.gr_short_to_float_0, 0))
self.connect((self.gr_vector_to_streams_0, 1), (self.gr_short_to_float_0_0, 0))
self.connect((self.usrp2_source_xxxx2_0, 0), (self.gr_vector_to_streams_0, 0))
self.connect((self.usrp2_source_xxxx2_0, 0), (self.gr_file_sink_0_1, 0))
self.connect((self.gr_short_to_float_0_0, 0), (self.gr_float_to_complex_0, 1))
self.connect((self.gr_short_to_float_0, 0), (self.gr_float_to_complex_0, 0))
def __init__(
self,
satellite='NOAAxx',
decim=50,
baseband_file="/home/martin/GNURadioData/hrpt/baseband/HRPT_NOAA19_2010-09-10_12-35-34_UTC_U2_d50.sam",
frames_file=os.environ['HOME'] + '/noaa_hrpt_frames.hmf',
deframer_outsync_frames=5,
deframer_insync_frames=2,
clock_alpha=0.005,
gain_mu=0.005,
pll_alpha=0.005,
pll_beta=0.00001,
deframer_sync_check=True,
symb_rate=600 * 1109):
grc_wxgui.top_block_gui.__init__(
self, title="NOAA HRPT Receiver from baseband file")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.satellite = satellite
self.decim = decim
self.baseband_file = baseband_file
self.frames_file = frames_file
self.deframer_outsync_frames = deframer_outsync_frames
self.deframer_insync_frames = deframer_insync_frames
self.clock_alpha = clock_alpha
self.gain_mu = gain_mu
self.pll_alpha = pll_alpha
self.pll_beta = pll_beta
self.deframer_sync_check = deframer_sync_check
self.symb_rate = symb_rate
##################################################
# Variables
##################################################
self.decim_tb = decim_tb = decim
self.symb_rate_tb = symb_rate_tb = symb_rate
self.samp_rate = samp_rate = 100e6 / decim_tb
self.sps = sps = samp_rate / symb_rate_tb
self.satellite_text = satellite_text = satellite
self.samp_rate_st = samp_rate_st = samp_rate
self.pll_beta_sl = pll_beta_sl = pll_beta
self.pll_alpha_sl = pll_alpha_sl = pll_alpha
self.max_clock_offset = max_clock_offset = 0.1
self.max_carrier_offset = max_carrier_offset = 2 * math.pi * 100e3 / samp_rate
self.hs = hs = int(sps / 2.0)
self.gain_mu_sl = gain_mu_sl = gain_mu
self.frames_file_text_inf = frames_file_text_inf = frames_file
self.deframer_sync_after_text = deframer_sync_after_text = deframer_insync_frames
self.deframer_nosync_after_text = deframer_nosync_after_text = deframer_outsync_frames
self.deframer_check_sync_text = deframer_check_sync_text = deframer_sync_check
self.datetime_text = datetime_text = strftime("%A, %B %d %Y %H:%M:%S",
localtime())
self.clock_alpha_sl = clock_alpha_sl = clock_alpha
self.baseband_file_text_inf = baseband_file_text_inf = baseband_file
##################################################
# Notebooks
##################################################
self.rx_ntb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "Input baseband")
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb),
"PLL demodulator and Clock sync")
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "Deframer")
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "Output")
self.Add(self.rx_ntb)
##################################################
# Controls
##################################################
self._decim_tb_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.decim_tb,
callback=self.set_decim_tb,
label="Decimation",
converter=forms.int_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._decim_tb_text_box, 1, 3, 1, 1)
self._symb_rate_tb_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
value=self.symb_rate_tb,
callback=self.set_symb_rate_tb,
label="Symbol rate",
converter=forms.int_converter(),
)
self.rx_ntb.GetPage(1).GridAdd(self._symb_rate_tb_text_box, 2, 1, 1, 1)
self._satellite_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.satellite_text,
callback=self.set_satellite_text,
label="Sat ",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._satellite_text_static_text, 1, 0,
1, 1)
self._samp_rate_st_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.samp_rate_st,
callback=self.set_samp_rate_st,
label="Sample rate",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._samp_rate_st_static_text, 1, 4, 1,
1)
_pll_beta_sl_sizer = wx.BoxSizer(wx.VERTICAL)
self._pll_beta_sl_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_pll_beta_sl_sizer,
value=self.pll_beta_sl,
callback=self.set_pll_beta_sl,
label="PLL Beta",
converter=forms.float_converter(),
proportion=0,
)
self._pll_beta_sl_slider = forms.slider(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_pll_beta_sl_sizer,
value=self.pll_beta_sl,
callback=self.set_pll_beta_sl,
minimum=0.000001,
maximum=0.001,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.rx_ntb.GetPage(1).GridAdd(_pll_beta_sl_sizer, 2, 0, 1, 1)
_pll_alpha_sl_sizer = wx.BoxSizer(wx.VERTICAL)
self._pll_alpha_sl_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_pll_alpha_sl_sizer,
value=self.pll_alpha_sl,
callback=self.set_pll_alpha_sl,
label="PLL Alpha",
converter=forms.float_converter(),
proportion=0,
)
self._pll_alpha_sl_slider = forms.slider(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_pll_alpha_sl_sizer,
value=self.pll_alpha_sl,
callback=self.set_pll_alpha_sl,
minimum=0.001,
maximum=0.1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.rx_ntb.GetPage(1).GridAdd(_pll_alpha_sl_sizer, 1, 0, 1, 1)
_gain_mu_sl_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_mu_sl_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_gain_mu_sl_sizer,
value=self.gain_mu_sl,
callback=self.set_gain_mu_sl,
label="Gain MU",
converter=forms.float_converter(),
proportion=0,
)
self._gain_mu_sl_slider = forms.slider(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_gain_mu_sl_sizer,
value=self.gain_mu_sl,
callback=self.set_gain_mu_sl,
minimum=0.0001,
maximum=0.01,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.rx_ntb.GetPage(1).GridAdd(_gain_mu_sl_sizer, 1, 2, 1, 1)
self._frames_file_text_inf_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(3).GetWin(),
value=self.frames_file_text_inf,
callback=self.set_frames_file_text_inf,
label="Frames filename",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(3).GridAdd(self._frames_file_text_inf_static_text,
3, 0, 1, 1)
self._deframer_sync_after_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(2).GetWin(),
value=self.deframer_sync_after_text,
callback=self.set_deframer_sync_after_text,
label="Deframe sync after",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(2).GridAdd(
self._deframer_sync_after_text_static_text, 3, 0, 1, 1)
self._deframer_nosync_after_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(2).GetWin(),
value=self.deframer_nosync_after_text,
callback=self.set_deframer_nosync_after_text,
label="Deframer out of sync after",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(2).GridAdd(
self._deframer_nosync_after_text_static_text, 4, 0, 1, 1)
self._deframer_check_sync_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(2).GetWin(),
value=self.deframer_check_sync_text,
callback=self.set_deframer_check_sync_text,
label="Deframer check sync enable",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(2).GridAdd(
self._deframer_check_sync_text_static_text, 2, 0, 1, 1)
self._datetime_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(3).GetWin(),
value=self.datetime_text,
callback=self.set_datetime_text,
label="Local time of aquisition start",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(3).GridAdd(self._datetime_text_static_text, 1, 0,
1, 1)
_clock_alpha_sl_sizer = wx.BoxSizer(wx.VERTICAL)
self._clock_alpha_sl_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_clock_alpha_sl_sizer,
value=self.clock_alpha_sl,
callback=self.set_clock_alpha_sl,
label="Clock alpha",
converter=forms.float_converter(),
proportion=0,
)
self._clock_alpha_sl_slider = forms.slider(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_clock_alpha_sl_sizer,
value=self.clock_alpha_sl,
callback=self.set_clock_alpha_sl,
minimum=0.001,
maximum=0.1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.rx_ntb.GetPage(1).GridAdd(_clock_alpha_sl_sizer, 1, 1, 1, 1)
self._baseband_file_text_inf_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(3).GetWin(),
value=self.baseband_file_text_inf,
callback=self.set_baseband_file_text_inf,
label="Baseband filename",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(3).GridAdd(
self._baseband_file_text_inf_static_text, 4, 0, 1, 1)
##################################################
# Blocks
##################################################
self.cs2cf = gr.interleaved_short_to_complex()
self.gr_agc_xx_0_0 = gr.agc_cc(10e-6, 1, 1.0 / 32767.0, 1.0)
self.gr_binary_slicer_fb_0 = gr.binary_slicer_fb()
self.gr_clock_recovery_mm_xx_0 = gr.clock_recovery_mm_cc(
sps / 2.0, clock_alpha**2 / 4.0, 0.5, gain_mu_sl, max_clock_offset)
self.gr_complex_to_real_0 = gr.complex_to_real(1)
self.gr_costas_loop_cc_0 = gr.costas_loop_cc(pll_alpha_sl, pll_beta_sl,
0.07, -0.07, 2)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_short * 1, frames_file)
self.gr_file_sink_0_0.set_unbuffered(False)
self.gr_file_source_0 = gr.file_source(gr.sizeof_short * 1,
baseband_file, False)
self.gr_moving_average_xx_0 = gr.moving_average_cc(hs, 1.0 / hs, 4000)
self.gr_throttle_0 = gr.throttle(gr.sizeof_short * 1, samp_rate * 2)
self.noaa_hrpt_decoder_0 = noaa.hrpt_decoder(True, False)
self.poesweather_univ_hrpt_deframer_0 = poesweather.univ_hrpt_deframer(
deframer_sync_check, 11090, deframer_insync_frames,
deframer_outsync_frames)
self.wxgui_fftsink1 = fftsink2.fft_sink_c(
self.rx_ntb.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=5,
y_divs=10,
ref_level=50,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=0.1,
title="Not filtered spectrum",
peak_hold=False,
)
self.rx_ntb.GetPage(0).Add(self.wxgui_fftsink1.win)
self.wxgui_scopesink2_1 = scopesink2.scope_sink_c(
self.rx_ntb.GetPage(1).GetWin(),
title="PSK constellation diagram",
sample_rate=symb_rate,
v_scale=0.4,
v_offset=0,
t_scale=1 / samp_rate,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=gr.gr_TRIG_MODE_AUTO,
)
self.rx_ntb.GetPage(1).Add(self.wxgui_scopesink2_1.win)
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_0, 0), (self.gr_throttle_0, 0))
self.connect((self.gr_throttle_0, 0), (self.cs2cf, 0))
self.connect((self.cs2cf, 0), (self.gr_agc_xx_0_0, 0))
self.connect((self.cs2cf, 0), (self.wxgui_fftsink1, 0))
self.connect((self.gr_complex_to_real_0, 0),
(self.gr_binary_slicer_fb_0, 0))
self.connect((self.poesweather_univ_hrpt_deframer_0, 0),
(self.gr_file_sink_0_0, 0))
self.connect((self.gr_binary_slicer_fb_0, 0),
(self.poesweather_univ_hrpt_deframer_0, 0))
self.connect((self.poesweather_univ_hrpt_deframer_0, 0),
(self.noaa_hrpt_decoder_0, 0))
self.connect((self.gr_moving_average_xx_0, 0),
(self.gr_clock_recovery_mm_xx_0, 0))
self.connect((self.gr_agc_xx_0_0, 0), (self.gr_costas_loop_cc_0, 0))
self.connect((self.gr_costas_loop_cc_0, 0),
(self.gr_moving_average_xx_0, 0))
self.connect((self.gr_clock_recovery_mm_xx_0, 0),
(self.gr_complex_to_real_0, 0))
self.connect((self.gr_clock_recovery_mm_xx_0, 0),
(self.wxgui_scopesink2_1, 0))
def __init__(self, baseband_file=os.environ['HOME'] + '/NOAA-XX.dat', satellite='NOAA-XX', decim=32, frames_file=os.environ['HOME'] + '/NOAA-XX.hrpt', sync_check=False):
gr.top_block.__init__(self, "NOAA HRPT Baseband To Frames")
##################################################
# Parameters
##################################################
self.baseband_file = baseband_file
self.satellite = satellite
self.decim = decim
self.frames_file = frames_file
self.sync_check = sync_check
##################################################
# Variables
##################################################
self.sym_rate = sym_rate = 600*1109
self.sample_rate = sample_rate = 64e6/decim
self.sps = sps = sample_rate/sym_rate
self.config_filename = config_filename = os.environ['HOME']+'/.gnuradio/noaa_hrpt.conf'
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("satname", '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("satname", 'clock_alpha')
except: saved_clock_alpha = 0.01
self.saved_clock_alpha = saved_clock_alpha
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)
##################################################
# Blocks
##################################################
self.agc = gr.agc_cc(1e-6, 1.0, 1.0, 1.0)
self.decoder = noaa.hrpt_decoder(True,False)
self.frame_sink = gr.file_sink(gr.sizeof_short*1, frames_file)
self.frame_sink.set_unbuffered(False)
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, saved_clock_alpha**2/4.0, 0.5, saved_clock_alpha, max_clock_offset)
self.gr_file_source_0 = gr.file_source(gr.sizeof_short*1, baseband_file, 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(saved_pll_alpha, saved_pll_alpha**2/4.0, max_carrier_offset)
self.poesweather_noaa_hrpt_deframer_0 = poesweather.noaa_hrpt_deframer(sync_check)
self.throttle = gr.throttle(gr.sizeof_short*1, sample_rate*10)
##################################################
# Connections
##################################################
self.connect((self.gr_clock_recovery_mm_xx_0, 0), (self.gr_binary_slicer_fb_0, 0))
self.connect((self.gr_binary_slicer_fb_0, 0), (self.poesweather_noaa_hrpt_deframer_0, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0), (self.decoder, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0), (self.frame_sink, 0))
self.connect((self.gr_file_source_0, 0), (self.throttle, 0))
self.connect((self.throttle, 0), (self.gr_interleaved_short_to_complex_0, 0))
self.connect((self.gr_interleaved_short_to_complex_0, 0), (self.agc, 0))
self.connect((self.agc, 0), (self.pll, 0))
self.connect((self.pll, 0), (self.gr_moving_average_xx_0, 0))
self.connect((self.gr_moving_average_xx_0, 0), (self.gr_clock_recovery_mm_xx_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="USRP HRPT Receiver")
##################################################
# Variables
##################################################
self.sym_rate = sym_rate = 600 * 1109
self.sample_rate = sample_rate = 4e6
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_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._addr_config = ConfigParser.ConfigParser()
self._addr_config.read(config_filename)
try:
addr = self._addr_config.get('usrp_rx_hrpt', 'addr')
except:
addr = ""
self.addr = addr
self.rate_text = rate_text = sample_rate
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.clock_alpha = clock_alpha = saved_clock_alpha
self.addr_text = addr_text = addr
##################################################
# Blocks
##################################################
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.displays = 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, 2, 0, 1, 4)
_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)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr=addr,
io_type=uhd.io_type.COMPLEX_FLOAT32,
num_channels=1,
)
self.uhd_usrp_source_0.set_samp_rate(sample_rate)
self.uhd_usrp_source_0.set_center_freq(freq, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.rx_fft = fftsink2.fft_sink_c(
self.displays.GetPage(0).GetWin(),
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=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._rate_text_static_text = forms.static_text(
parent=self.GetWin(),
value=self.rate_text,
callback=self.set_rate_text,
label="Baseband Rate",
converter=forms.float_converter(),
)
self.GridAdd(self._rate_text_static_text, 1, 1, 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)
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)
_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.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.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,
trig_mode=gr.gr_TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.displays.GetPage(1).GridAdd(self.demod_scope.win, 0, 0, 1, 1)
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)
self._addr_text_static_text = forms.static_text(
parent=self.GetWin(),
value=self.addr_text,
callback=self.set_addr_text,
label="USRP Addr",
converter=forms.str_converter(),
)
self.GridAdd(self._addr_text_static_text, 1, 0, 1, 1)
##################################################
# Connections
##################################################
self.connect((self.deframer, 0), (self.frame_sink, 0))
self.connect((self.deframer, 0), (self.decoder, 0))
self.connect((self.agc, 0), (self.pll, 0))
self.connect((self.agc, 0), (self.rx_fft, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.agc, 0))
self.connect((self.pll, 0), (self.gr_moving_average_xx_0, 0))
self.connect((self.gr_moving_average_xx_0, 0), (self.demod_scope, 0))
self.connect((self.gr_moving_average_xx_0, 0),
(self.digital_clock_recovery_mm_xx_0, 0))
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 __init__(self):
gr.top_block.__init__(self, "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.hs = hs = int(sps/2.0)
self._sync_alpha_config = ConfigParser.ConfigParser()
self._sync_alpha_config.read(config_filename)
try: sync_alpha = self._sync_alpha_config.getfloat('demod', 'sync_alpha')
except: sync_alpha = 0.05
self.sync_alpha = sync_alpha
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._pll_alpha_config = ConfigParser.ConfigParser()
self._pll_alpha_config.read(config_filename)
try: pll_alpha = self._pll_alpha_config.getfloat('demod', 'pll_alpha')
except: pll_alpha = 0.05
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('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_config = ConfigParser.ConfigParser()
self._gain_config.read(config_filename)
try: gain = self._gain_config.getfloat('usrp', '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', 'freq')
except: freq = 1698e6
self.freq = freq
##################################################
# 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.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.usrp_source, 0), (self.agc, 0))
self.connect((self.deframer, 0), (self.decoder, 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))
self.connect((self.agc, 0), (self.gr_fir_filter_xxx_0, 0))
self.connect((self.gr_fir_filter_xxx_0, 0), (self.pll, 0))
def __init__(self):
gr.top_block.__init__(self, "USRP HRPT Receiver")
##################################################
# Variables
##################################################
self.sym_rate = sym_rate = 600*1109
self.sample_rate = sample_rate = 4e6
self.sps = sps = sample_rate/sym_rate
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')
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_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.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_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.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.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 __init__(self, frames_file=os.environ['HOME'] + '/NOAA-XX.hrpt', decim=32, satellite='NOAA-XX', baseband_file=os.environ['HOME'] + '/NOAA-XX.dat', sync_check=False):
grc_wxgui.top_block_gui.__init__(self, title="NOAA HRPT Baseband To Frames")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.frames_file = frames_file
self.decim = decim
self.satellite = satellite
self.baseband_file = baseband_file
self.sync_check = sync_check
##################################################
# Variables
##################################################
self.sym_rate = sym_rate = 600*1109
self.sample_rate = sample_rate = 64e6/decim
self.config_filename = config_filename = os.environ['HOME']+'/.gnuradio/noaa_hrpt.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("satname", '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("satname", 'clock_alpha')
except: saved_clock_alpha = 0.01
self.saved_clock_alpha = saved_clock_alpha
self.sync_check_txt = sync_check_txt = sync_check
self.satname_txt = satname_txt = satellite
self.pll_alpha = pll_alpha = saved_pll_alpha
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.frames_file_txt = frames_file_txt = frames_file
self.decim_txt = decim_txt = decim
self.clock_alpha = clock_alpha = saved_clock_alpha
self.baseband_file_txt = baseband_file_txt = baseband_file
##################################################
# Notebooks
##################################################
self.displays = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.displays.AddPage(grc_wxgui.Panel(self.displays), "NOAA HRPT Spectrum")
self.displays.AddPage(grc_wxgui.Panel(self.displays), "Information")
self.Add(self.displays)
##################################################
# Controls
##################################################
self._sync_check_txt_static_text = forms.static_text(
parent=self.GetWin(),
value=self.sync_check_txt,
callback=self.set_sync_check_txt,
label="Sync check",
converter=forms.int_converter(),
)
self.GridAdd(self._sync_check_txt_static_text, 0, 3, 1, 1)
self._satname_txt_static_text = forms.static_text(
parent=self.GetWin(),
value=self.satname_txt,
callback=self.set_satname_txt,
label="Satellite",
converter=forms.str_converter(),
)
self.GridAdd(self._satname_txt_static_text, 0, 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, 1, 0, 1, 1)
self._frames_file_txt_static_text = forms.static_text(
parent=self.displays.GetPage(1).GetWin(),
value=self.frames_file_txt,
callback=self.set_frames_file_txt,
label="Frames output filename",
converter=forms.str_converter(),
)
self.displays.GetPage(1).GridAdd(self._frames_file_txt_static_text, 2, 0, 1, 1)
self._decim_txt_static_text = forms.static_text(
parent=self.GetWin(),
value=self.decim_txt,
callback=self.set_decim_txt,
label="Decimation",
converter=forms.str_converter(),
)
self.GridAdd(self._decim_txt_static_text, 0, 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, 1, 1, 1, 1)
self._baseband_file_txt_static_text = forms.static_text(
parent=self.displays.GetPage(1).GetWin(),
value=self.baseband_file_txt,
callback=self.set_baseband_file_txt,
label="Baseband filename",
converter=forms.str_converter(),
)
self.displays.GetPage(1).GridAdd(self._baseband_file_txt_static_text, 1, 0, 1, 1)
##################################################
# Blocks
##################################################
self.agc = gr.agc_cc(1e-6, 1.0, 1.0, 1.0)
self.decoder = noaa.hrpt_decoder(True,False)
self.frame_sink = gr.file_sink(gr.sizeof_short*1, "/home/jerry/NOAA-XX.hrpt")
self.frame_sink.set_unbuffered(False)
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, "/home/jerry/hrpt/baseband/NOAA-18/2011-01-07T132821-NOAA-18.dat", 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.poesweather_noaa_hrpt_deframer_0 = poesweather.noaa_hrpt_deframer(sync_check)
self.rx_fft = fftsink2.fft_sink_c(
self.displays.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=5,
y_divs=10,
ref_level=45,
ref_scale=2.0,
sample_rate=sample_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=0.1,
title="NOAA HRPT Spectrum",
peak_hold=False,
)
self.displays.GetPage(0).Add(self.rx_fft.win)
self.throttle = gr.throttle(gr.sizeof_short*1, sample_rate*10)
##################################################
# Connections
##################################################
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.agc, 0), (self.rx_fft, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0), (self.frame_sink, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0), (self.decoder, 0))
self.connect((self.gr_binary_slicer_fb_0, 0), (self.poesweather_noaa_hrpt_deframer_0, 0))
self.connect((self.agc, 0), (self.pll, 0))
self.connect((self.pll, 0), (self.gr_moving_average_xx_0, 0))
self.connect((self.gr_moving_average_xx_0, 0), (self.gr_clock_recovery_mm_xx_0, 0))
self.connect((self.gr_clock_recovery_mm_xx_0, 0), (self.gr_binary_slicer_fb_0, 0))
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
##################################################
# 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), "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(
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.displays.GetPage(1).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.displays.GetPage(1).GridAdd(self.pll_scope.win, 0, 0, 1, 1)
self.rx_fft = fftsink2.fft_sink_c(
self.displays.GetPage(0).GetWin(),
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=15,
average=True,
avg_alpha=0.1,
title="RX Spectrum",
peak_hold=False,
)
self.displays.GetPage(0).GridAdd(self.rx_fft.win, 0, 0, 1, 1)
self.rx_scope = 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.rx_scope.win, 1, 0, 1, 1)
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.deframer, 0), (self.frame_sink, 0))
self.connect((self.sync, 0), (self.deframer, 0))
self.connect((self.pll, 0), (self.sync, 0))
self.connect((self.pll, 0), (self.pll_scope, 0))
self.connect((self.agc, 0), (self.rx_scope, 0))
self.connect((self.agc, 0), (self.rx_fft, 0))
self.connect((self.deframer, 0), (self.decoder, 0))
self.connect((self.agc, 0), (self.gr_fir_filter_xxx_0, 0))
self.connect((self.gr_fir_filter_xxx_0, 0), (self.pll, 0))
self.connect((self.usrp_source, 0), (self.agc, 0))
def __init__(self,
frames_file=os.environ['HOME'] + '/NOAA-XX.hrpt',
decim=32,
satellite='NOAA-XX',
baseband_file=os.environ['HOME'] + '/NOAA-XX.dat',
sync_check=False):
grc_wxgui.top_block_gui.__init__(self,
title="NOAA HRPT Baseband To Frames")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.frames_file = frames_file
self.decim = decim
self.satellite = satellite
self.baseband_file = baseband_file
self.sync_check = sync_check
##################################################
# Variables
##################################################
self.sym_rate = sym_rate = 600 * 1109
self.sample_rate = sample_rate = 64e6 / decim
self.config_filename = config_filename = os.environ[
'HOME'] + '/.gnuradio/noaa_hrpt.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(
"satname", '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(
"satname", 'clock_alpha')
except:
saved_clock_alpha = 0.01
self.saved_clock_alpha = saved_clock_alpha
self.sync_check_txt = sync_check_txt = sync_check
self.satname_txt = satname_txt = satellite
self.pll_alpha = pll_alpha = saved_pll_alpha
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.frames_file_txt = frames_file_txt = frames_file
self.decim_txt = decim_txt = decim
self.clock_alpha = clock_alpha = saved_clock_alpha
self.baseband_file_txt = baseband_file_txt = baseband_file
##################################################
# Notebooks
##################################################
self.displays = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.displays.AddPage(grc_wxgui.Panel(self.displays),
"NOAA HRPT Spectrum")
self.displays.AddPage(grc_wxgui.Panel(self.displays), "Information")
self.Add(self.displays)
##################################################
# Controls
##################################################
self._sync_check_txt_static_text = forms.static_text(
parent=self.GetWin(),
value=self.sync_check_txt,
callback=self.set_sync_check_txt,
label="Sync check",
converter=forms.int_converter(),
)
self.GridAdd(self._sync_check_txt_static_text, 0, 3, 1, 1)
self._satname_txt_static_text = forms.static_text(
parent=self.GetWin(),
value=self.satname_txt,
callback=self.set_satname_txt,
label="Satellite",
converter=forms.str_converter(),
)
self.GridAdd(self._satname_txt_static_text, 0, 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, 1, 0, 1, 1)
self._frames_file_txt_static_text = forms.static_text(
parent=self.displays.GetPage(1).GetWin(),
value=self.frames_file_txt,
callback=self.set_frames_file_txt,
label="Frames output filename",
converter=forms.str_converter(),
)
self.displays.GetPage(1).GridAdd(self._frames_file_txt_static_text, 2,
0, 1, 1)
self._decim_txt_static_text = forms.static_text(
parent=self.GetWin(),
value=self.decim_txt,
callback=self.set_decim_txt,
label="Decimation",
converter=forms.str_converter(),
)
self.GridAdd(self._decim_txt_static_text, 0, 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, 1, 1, 1, 1)
self._baseband_file_txt_static_text = forms.static_text(
parent=self.displays.GetPage(1).GetWin(),
value=self.baseband_file_txt,
callback=self.set_baseband_file_txt,
label="Baseband filename",
converter=forms.str_converter(),
)
self.displays.GetPage(1).GridAdd(self._baseband_file_txt_static_text,
1, 0, 1, 1)
##################################################
# Blocks
##################################################
self.agc = gr.agc_cc(1e-6, 1.0, 1.0, 1.0)
self.decoder = noaa.hrpt_decoder(True, False)
self.frame_sink = gr.file_sink(gr.sizeof_short * 1,
"/home/jerry/NOAA-XX.hrpt")
self.frame_sink.set_unbuffered(False)
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,
"/home/jerry/hrpt/baseband/NOAA-18/2011-01-07T132821-NOAA-18.dat",
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.poesweather_noaa_hrpt_deframer_0 = poesweather.noaa_hrpt_deframer(
sync_check)
self.rx_fft = fftsink2.fft_sink_c(
self.displays.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=5,
y_divs=10,
ref_level=45,
ref_scale=2.0,
sample_rate=sample_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=0.1,
title="NOAA HRPT Spectrum",
peak_hold=False,
)
self.displays.GetPage(0).Add(self.rx_fft.win)
self.throttle = gr.throttle(gr.sizeof_short * 1, sample_rate * 10)
##################################################
# Connections
##################################################
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.agc, 0), (self.rx_fft, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0),
(self.frame_sink, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0),
(self.decoder, 0))
self.connect((self.gr_binary_slicer_fb_0, 0),
(self.poesweather_noaa_hrpt_deframer_0, 0))
self.connect((self.agc, 0), (self.pll, 0))
self.connect((self.pll, 0), (self.gr_moving_average_xx_0, 0))
self.connect((self.gr_moving_average_xx_0, 0),
(self.gr_clock_recovery_mm_xx_0, 0))
self.connect((self.gr_clock_recovery_mm_xx_0, 0),
(self.gr_binary_slicer_fb_0, 0))
def __init__(self,
satellite='NOAA-XX',
baseband_file=os.environ['HOME'] + '/NOAA-XX.dat',
frames_file=os.environ['HOME'] + '/NOAA-XX.hrpt',
side="A",
freq=1698e6,
decim=32,
sync_check=False,
gain=25):
grc_wxgui.top_block_gui.__init__(self, title="USRP NOAA HRPT Receiver")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.satellite = satellite
self.baseband_file = baseband_file
self.frames_file = frames_file
self.side = side
self.freq = freq
self.decim = decim
self.sync_check = sync_check
self.gain = gain
##################################################
# Variables
##################################################
self.sym_rate = sym_rate = 600 * 1109
self.samp_rate = samp_rate = 64e6 / decim
self.config_filename = config_filename = os.environ[
'HOME'] + '/.gnuradio/noaa_hrpt.conf'
self.sps = sps = samp_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(
"satname", 'pll_alpha')
except:
saved_pll_alpha = 0.005
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(
"satname", 'clock_alpha')
except:
saved_clock_alpha = 0.001
self.saved_clock_alpha = saved_clock_alpha
self.sync_check_txt = sync_check_txt = sync_check
self.side_text = side_text = side
self._saved_gain_config = ConfigParser.ConfigParser()
self._saved_gain_config.read(config_filename)
try:
saved_gain = self._saved_gain_config.getfloat("satname", 'gain')
except:
saved_gain = gain
self.saved_gain = saved_gain
self.satellite_text = satellite_text = satellite
self.sample_rate_text = sample_rate_text = samp_rate
self.pll_alpha = pll_alpha = saved_pll_alpha
self.max_clock_offset = max_clock_offset = 0.1
self.max_carrier_offset = max_carrier_offset = 2 * math.pi * 100e3 / samp_rate
self.hs = hs = int(sps / 2.0)
self.gain_slider = gain_slider = gain
self.freq_tb = freq_tb = freq
self.frames_outfile_text = frames_outfile_text = frames_file
self.decim_tb = decim_tb = decim
self.datetime_text = datetime_text = strftime("%A, %B %d %Y %H:%M:%S",
localtime())
self.clock_alpha = clock_alpha = saved_clock_alpha
self.baseband_outfile_text = baseband_outfile_text = baseband_file
##################################################
# Notebooks
##################################################
self.displays = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.displays.AddPage(grc_wxgui.Panel(self.displays), "RX NOAA HRPT")
self.displays.AddPage(grc_wxgui.Panel(self.displays), "Information")
self.Add(self.displays)
##################################################
# Controls
##################################################
self._sync_check_txt_static_text = forms.static_text(
parent=self.GetWin(),
value=self.sync_check_txt,
callback=self.set_sync_check_txt,
label="Sync check",
converter=forms.float_converter(),
)
self.GridAdd(self._sync_check_txt_static_text, 0, 2, 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, 0, 0, 1, 1)
self._satellite_text_static_text = forms.static_text(
parent=self.GetWin(),
value=self.satellite_text,
callback=self.set_satellite_text,
label="Satellite",
converter=forms.str_converter(),
)
self.GridAdd(self._satellite_text_static_text, 0, 1, 1, 1)
self._sample_rate_text_static_text = forms.static_text(
parent=self.displays.GetPage(1).GetWin(),
value=self.sample_rate_text,
callback=self.set_sample_rate_text,
label="Sample rate",
converter=forms.float_converter(),
)
self.displays.GetPage(1).GridAdd(self._sample_rate_text_static_text, 3,
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=0.005,
maximum=0.5,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_pll_alpha_sizer, 2, 1, 1, 1)
_gain_slider_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_slider_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_gain_slider_sizer,
value=self.gain_slider,
callback=self.set_gain_slider,
label="Gain",
converter=forms.int_converter(),
proportion=0,
)
self._gain_slider_slider = forms.slider(
parent=self.GetWin(),
sizer=_gain_slider_sizer,
value=self.gain_slider,
callback=self.set_gain_slider,
minimum=0,
maximum=100,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=int,
proportion=1,
)
self.GridAdd(_gain_slider_sizer, 2, 0, 1, 1)
self._freq_tb_text_box = forms.text_box(
parent=self.GetWin(),
value=self.freq_tb,
callback=self.set_freq_tb,
label="Frequency",
converter=forms.float_converter(),
)
self.GridAdd(self._freq_tb_text_box, 1, 1, 1, 1)
self._frames_outfile_text_static_text = forms.static_text(
parent=self.displays.GetPage(1).GetWin(),
value=self.frames_outfile_text,
callback=self.set_frames_outfile_text,
label="Frames filename",
converter=forms.str_converter(),
)
self.displays.GetPage(1).GridAdd(self._frames_outfile_text_static_text,
5, 0, 1, 1)
self._decim_tb_text_box = forms.text_box(
parent=self.GetWin(),
value=self.decim_tb,
callback=self.set_decim_tb,
label="Decimation",
converter=forms.int_converter(),
)
self.GridAdd(self._decim_tb_text_box, 1, 0, 1, 1)
self._datetime_text_static_text = forms.static_text(
parent=self.displays.GetPage(1).GetWin(),
value=self.datetime_text,
callback=self.set_datetime_text,
label="Acquisition start",
converter=forms.str_converter(),
)
self.displays.GetPage(1).GridAdd(self._datetime_text_static_text, 2, 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=0.001,
maximum=0.1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_clock_alpha_sizer, 2, 2, 1, 1)
self._baseband_outfile_text_static_text = forms.static_text(
parent=self.displays.GetPage(1).GetWin(),
value=self.baseband_outfile_text,
callback=self.set_baseband_outfile_text,
label="Baseband filename",
converter=forms.str_converter(),
)
self.displays.GetPage(1).GridAdd(
self._baseband_outfile_text_static_text, 4, 0, 1, 1)
##################################################
# Blocks
##################################################
self.agc = gr.agc_cc(1e-5, 1.0, 1.0 / 32768.0, 1.0)
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_sink_0 = gr.file_sink(gr.sizeof_short * 1, baseband_file)
self.gr_file_sink_0.set_unbuffered(False)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_short * 1,
"frames_outfile")
self.gr_file_sink_0_0.set_unbuffered(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.gr_rms_xx_0 = gr.rms_cf(0.2)
self.noaa_hrpt_decoder_0 = noaa.hrpt_decoder(True, False)
self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2 / 4.0,
max_carrier_offset)
self.poesweather_noaa_hrpt_deframer_0 = poesweather.noaa_hrpt_deframer(
sync_check)
self.usrp_simple_source_x_0 = grc_usrp.simple_source_s(which=0,
side=side,
rx_ant="RXA")
self.usrp_simple_source_x_0.set_decim_rate(decim)
self.usrp_simple_source_x_0.set_frequency(freq, verbose=True)
self.usrp_simple_source_x_0.set_gain(gain)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.displays.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=5,
y_divs=10,
ref_level=45,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=0.1,
title="NOAA HRPT FFT Spectrum",
peak_hold=False,
)
self.displays.GetPage(0).Add(self.wxgui_fftsink2_0.win)
self.wxgui_numbersink2_0 = numbersink2.number_sink_f(
self.GetWin(),
unit="Units",
minval=0,
maxval=5000,
factor=1.0,
decimal_places=4,
ref_level=0,
sample_rate=samp_rate,
number_rate=15,
average=True,
avg_alpha=0.07,
label="S-Meter",
peak_hold=False,
show_gauge=True,
)
self.Add(self.wxgui_numbersink2_0.win)
##################################################
# Connections
##################################################
self.connect((self.gr_rms_xx_0, 0), (self.wxgui_numbersink2_0, 0))
self.connect((self.gr_binary_slicer_fb_0, 0),
(self.poesweather_noaa_hrpt_deframer_0, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0),
(self.noaa_hrpt_decoder_0, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0),
(self.gr_file_sink_0_0, 0))
self.connect((self.usrp_simple_source_x_0, 0),
(self.gr_file_sink_0, 0))
self.connect((self.gr_interleaved_short_to_complex_0, 0),
(self.gr_rms_xx_0, 0))
self.connect((self.gr_interleaved_short_to_complex_0, 0),
(self.wxgui_fftsink2_0, 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.gr_clock_recovery_mm_xx_0, 0),
(self.gr_binary_slicer_fb_0, 0))
self.connect((self.gr_interleaved_short_to_complex_0, 0),
(self.agc, 0))
self.connect((self.usrp_simple_source_x_0, 0),
(self.gr_interleaved_short_to_complex_0, 0))
def __init__(self):
gr.top_block.__init__(self, "USRP HRPT Receiver")
##################################################
# Variables
##################################################
self.sym_rate = sym_rate = 600 * 1109
self.sample_rate = sample_rate = 4e6
self.sps = sps = sample_rate / sym_rate
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")
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_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
self._addr_config = ConfigParser.ConfigParser()
self._addr_config.read(config_filename)
try:
addr = self._addr_config.get("usrp_rx_hrpt", "addr")
except:
addr = ""
self.addr = addr
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(device_addr=addr, io_type=uhd.io_type.COMPLEX_FLOAT32, num_channels=1)
self.uhd_usrp_source_0.set_samp_rate(sample_rate)
self.uhd_usrp_source_0.set_center_freq(freq, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
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.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_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.uhd_usrp_source_0, 0), (self.agc, 0))
self.connect((self.agc, 0), (self.pll, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.deframer, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.deframer, 0), (self.decoder, 0))
self.connect((self.deframer, 0), (self.frame_sink, 0))
def __init__(self, satellite='NOAA-XX', baseband_file=os.environ['HOME'] + '/NOAA-XX.dat', frames_file=os.environ['HOME'] + '/NOAA-XX.hrpt', side="A", freq=1698e6, decim=32, sync_check=False, gain=25):
grc_wxgui.top_block_gui.__init__(self, title="USRP NOAA HRPT Receiver")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.satellite = satellite
self.baseband_file = baseband_file
self.frames_file = frames_file
self.side = side
self.freq = freq
self.decim = decim
self.sync_check = sync_check
self.gain = gain
##################################################
# Variables
##################################################
self.sym_rate = sym_rate = 600*1109
self.samp_rate = samp_rate = 64e6/decim
self.config_filename = config_filename = os.environ['HOME']+'/.gnuradio/noaa_hrpt.conf'
self.sps = sps = samp_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("satname", 'pll_alpha')
except: saved_pll_alpha = 0.005
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("satname", 'clock_alpha')
except: saved_clock_alpha = 0.001
self.saved_clock_alpha = saved_clock_alpha
self.sync_check_txt = sync_check_txt = sync_check
self.side_text = side_text = side
self._saved_gain_config = ConfigParser.ConfigParser()
self._saved_gain_config.read(config_filename)
try: saved_gain = self._saved_gain_config.getfloat("satname", 'gain')
except: saved_gain = gain
self.saved_gain = saved_gain
self.satellite_text = satellite_text = satellite
self.sample_rate_text = sample_rate_text = samp_rate
self.pll_alpha = pll_alpha = saved_pll_alpha
self.max_clock_offset = max_clock_offset = 0.1
self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/samp_rate
self.hs = hs = int(sps/2.0)
self.gain_slider = gain_slider = gain
self.freq_tb = freq_tb = freq
self.frames_outfile_text = frames_outfile_text = frames_file
self.decim_tb = decim_tb = decim
self.datetime_text = datetime_text = strftime("%A, %B %d %Y %H:%M:%S", localtime())
self.clock_alpha = clock_alpha = saved_clock_alpha
self.baseband_outfile_text = baseband_outfile_text = baseband_file
##################################################
# Notebooks
##################################################
self.displays = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.displays.AddPage(grc_wxgui.Panel(self.displays), "RX NOAA HRPT")
self.displays.AddPage(grc_wxgui.Panel(self.displays), "Information")
self.Add(self.displays)
##################################################
# Controls
##################################################
self._sync_check_txt_static_text = forms.static_text(
parent=self.GetWin(),
value=self.sync_check_txt,
callback=self.set_sync_check_txt,
label="Sync check",
converter=forms.float_converter(),
)
self.GridAdd(self._sync_check_txt_static_text, 0, 2, 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, 0, 0, 1, 1)
self._satellite_text_static_text = forms.static_text(
parent=self.GetWin(),
value=self.satellite_text,
callback=self.set_satellite_text,
label="Satellite",
converter=forms.str_converter(),
)
self.GridAdd(self._satellite_text_static_text, 0, 1, 1, 1)
self._sample_rate_text_static_text = forms.static_text(
parent=self.displays.GetPage(1).GetWin(),
value=self.sample_rate_text,
callback=self.set_sample_rate_text,
label="Sample rate",
converter=forms.float_converter(),
)
self.displays.GetPage(1).GridAdd(self._sample_rate_text_static_text, 3, 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=0.005,
maximum=0.5,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_pll_alpha_sizer, 2, 1, 1, 1)
_gain_slider_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_slider_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_gain_slider_sizer,
value=self.gain_slider,
callback=self.set_gain_slider,
label="Gain",
converter=forms.int_converter(),
proportion=0,
)
self._gain_slider_slider = forms.slider(
parent=self.GetWin(),
sizer=_gain_slider_sizer,
value=self.gain_slider,
callback=self.set_gain_slider,
minimum=0,
maximum=100,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=int,
proportion=1,
)
self.GridAdd(_gain_slider_sizer, 2, 0, 1, 1)
self._freq_tb_text_box = forms.text_box(
parent=self.GetWin(),
value=self.freq_tb,
callback=self.set_freq_tb,
label="Frequency",
converter=forms.float_converter(),
)
self.GridAdd(self._freq_tb_text_box, 1, 1, 1, 1)
self._frames_outfile_text_static_text = forms.static_text(
parent=self.displays.GetPage(1).GetWin(),
value=self.frames_outfile_text,
callback=self.set_frames_outfile_text,
label="Frames filename",
converter=forms.str_converter(),
)
self.displays.GetPage(1).GridAdd(self._frames_outfile_text_static_text, 5, 0, 1, 1)
self._decim_tb_text_box = forms.text_box(
parent=self.GetWin(),
value=self.decim_tb,
callback=self.set_decim_tb,
label="Decimation",
converter=forms.int_converter(),
)
self.GridAdd(self._decim_tb_text_box, 1, 0, 1, 1)
self._datetime_text_static_text = forms.static_text(
parent=self.displays.GetPage(1).GetWin(),
value=self.datetime_text,
callback=self.set_datetime_text,
label="Acquisition start",
converter=forms.str_converter(),
)
self.displays.GetPage(1).GridAdd(self._datetime_text_static_text, 2, 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=0.001,
maximum=0.1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_clock_alpha_sizer, 2, 2, 1, 1)
self._baseband_outfile_text_static_text = forms.static_text(
parent=self.displays.GetPage(1).GetWin(),
value=self.baseband_outfile_text,
callback=self.set_baseband_outfile_text,
label="Baseband filename",
converter=forms.str_converter(),
)
self.displays.GetPage(1).GridAdd(self._baseband_outfile_text_static_text, 4, 0, 1, 1)
##################################################
# Blocks
##################################################
self.agc = gr.agc_cc(1e-5, 1.0, 1.0/32768.0, 1.0)
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_sink_0 = gr.file_sink(gr.sizeof_short*1, baseband_file)
self.gr_file_sink_0.set_unbuffered(False)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_short*1, "frames_outfile")
self.gr_file_sink_0_0.set_unbuffered(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.gr_rms_xx_0 = gr.rms_cf(0.2)
self.noaa_hrpt_decoder_0 = noaa.hrpt_decoder(True,False)
self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
self.poesweather_noaa_hrpt_deframer_0 = poesweather.noaa_hrpt_deframer(sync_check)
self.usrp_simple_source_x_0 = grc_usrp.simple_source_s(which=0, side=side, rx_ant="RXA")
self.usrp_simple_source_x_0.set_decim_rate(decim)
self.usrp_simple_source_x_0.set_frequency(freq, verbose=True)
self.usrp_simple_source_x_0.set_gain(gain)
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.displays.GetPage(0).GetWin(),
baseband_freq=0,
y_per_div=5,
y_divs=10,
ref_level=45,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=0.1,
title="NOAA HRPT FFT Spectrum",
peak_hold=False,
)
self.displays.GetPage(0).Add(self.wxgui_fftsink2_0.win)
self.wxgui_numbersink2_0 = numbersink2.number_sink_f(
self.GetWin(),
unit="Units",
minval=0,
maxval=5000,
factor=1.0,
decimal_places=4,
ref_level=0,
sample_rate=samp_rate,
number_rate=15,
average=True,
avg_alpha=0.07,
label="S-Meter",
peak_hold=False,
show_gauge=True,
)
self.Add(self.wxgui_numbersink2_0.win)
##################################################
# Connections
##################################################
self.connect((self.gr_rms_xx_0, 0), (self.wxgui_numbersink2_0, 0))
self.connect((self.gr_binary_slicer_fb_0, 0), (self.poesweather_noaa_hrpt_deframer_0, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0), (self.noaa_hrpt_decoder_0, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0), (self.gr_file_sink_0_0, 0))
self.connect((self.usrp_simple_source_x_0, 0), (self.gr_file_sink_0, 0))
self.connect((self.gr_interleaved_short_to_complex_0, 0), (self.gr_rms_xx_0, 0))
self.connect((self.gr_interleaved_short_to_complex_0, 0), (self.wxgui_fftsink2_0, 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.gr_clock_recovery_mm_xx_0, 0), (self.gr_binary_slicer_fb_0, 0))
self.connect((self.gr_interleaved_short_to_complex_0, 0), (self.agc, 0))
self.connect((self.usrp_simple_source_x_0, 0), (self.gr_interleaved_short_to_complex_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Usrp Rx Hrpt Nogui")
##################################################
# Variables
##################################################
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._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._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')
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_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, True)
self.deframer = noaa.hrpt_deframer()
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.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.usrp_source, 0), (self.agc, 0))
self.connect((self.agc, 0), (self.pll, 0))
self.connect((self.pll, 0), (self.gr_moving_average_xx_0, 0))
self.connect((self.gr_moving_average_xx_0, 0),
(self.gr_clock_recovery_mm_xx_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_binary_slicer_fb_0, 0), (self.deframer, 0))
def __init__(self):
gr.top_block.__init__(self, "USRP HRPT Receiver")
##################################################
# Variables
##################################################
self.sym_rate = sym_rate = 600 * 1109
self.sample_rate = sample_rate = 4e6
self.sps = sps = sample_rate / sym_rate
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')
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_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
self._addr_config = ConfigParser.ConfigParser()
self._addr_config.read(config_filename)
try:
addr = self._addr_config.get('usrp_rx_hrpt', 'addr')
except:
addr = ""
self.addr = addr
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr=addr,
io_type=uhd.io_type.COMPLEX_FLOAT32,
num_channels=1,
)
self.uhd_usrp_source_0.set_samp_rate(sample_rate)
self.uhd_usrp_source_0.set_center_freq(freq, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
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.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_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.uhd_usrp_source_0, 0), (self.agc, 0))
self.connect((self.agc, 0), (self.pll, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.deframer, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.deframer, 0), (self.decoder, 0))
self.connect((self.deframer, 0), (self.frame_sink, 0))
def __init__(self,
pll_alpha=0.005,
satellite='NOAA18',
decim=50,
gain=25,
clock_alpha=0.005,
freq=1707e6,
deframer_sync_check=True,
deframer_insync_frames=2,
deframer_outsync_frames=5,
symb_rate=600 * 1109,
baseband_file=os.environ['HOME'] + '/noaa_hrpt_baseband.dat',
frames_file=os.environ['HOME'] + '/noaa_hrpt_frames.hmf'):
grc_wxgui.top_block_gui.__init__(self,
title="USRP2 NOAA HRPT Receiver")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.pll_alpha = pll_alpha
self.satellite = satellite
self.decim = decim
self.gain = gain
self.clock_alpha = clock_alpha
self.freq = freq
self.deframer_sync_check = deframer_sync_check
self.deframer_insync_frames = deframer_insync_frames
self.deframer_outsync_frames = deframer_outsync_frames
self.symb_rate = symb_rate
self.baseband_file = baseband_file
self.frames_file = frames_file
##################################################
# Variables
##################################################
self.decim_tb = decim_tb = decim
self.symb_rate_tb = symb_rate_tb = symb_rate
self.samp_rate = samp_rate = 100e6 / decim_tb
self.sps = sps = samp_rate / symb_rate_tb
self.satellite_text = satellite_text = satellite
self.samp_rate_st = samp_rate_st = samp_rate
self.pll_alpha_sl = pll_alpha_sl = pll_alpha
self.max_clock_offset = max_clock_offset = 0.1
self.max_carrier_offset = max_carrier_offset = 2 * math.pi * 100e3 / samp_rate
self.hs = hs = int(sps / 2.0)
self.gain_tb = gain_tb = gain
self.freq_tb = freq_tb = freq
self.frames_file_text_inf = frames_file_text_inf = frames_file
self.deframer_sync_after_text = deframer_sync_after_text = deframer_insync_frames
self.deframer_nosync_after_text = deframer_nosync_after_text = deframer_outsync_frames
self.deframer_check_sync_text = deframer_check_sync_text = deframer_sync_check
self.datetime_text = datetime_text = strftime("%A, %B %d %Y %H:%M:%S",
localtime())
self.clock_alpha_sl = clock_alpha_sl = clock_alpha
self.baseband_file_text_inf = baseband_file_text_inf = baseband_file
##################################################
# Notebooks
##################################################
self.rx_ntb = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "USRP Receiver")
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb),
"PLL demodulator and Clock sync")
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "Deframer")
self.rx_ntb.AddPage(grc_wxgui.Panel(self.rx_ntb), "Output")
self.Add(self.rx_ntb)
##################################################
# Controls
##################################################
self._decim_tb_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.decim_tb,
callback=self.set_decim_tb,
label="Decimation",
converter=forms.int_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._decim_tb_text_box, 1, 3, 1, 1)
self._symb_rate_tb_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
value=self.symb_rate_tb,
callback=self.set_symb_rate_tb,
label="Symbol rate",
converter=forms.int_converter(),
)
self.rx_ntb.GetPage(1).GridAdd(self._symb_rate_tb_text_box, 2, 1, 1, 1)
self._satellite_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.satellite_text,
callback=self.set_satellite_text,
label="Sat ",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._satellite_text_static_text, 1, 0,
1, 1)
self._samp_rate_st_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.samp_rate_st,
callback=self.set_samp_rate_st,
label="Sample rate",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._samp_rate_st_static_text, 1, 4, 1,
1)
_pll_alpha_sl_sizer = wx.BoxSizer(wx.VERTICAL)
self._pll_alpha_sl_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_pll_alpha_sl_sizer,
value=self.pll_alpha_sl,
callback=self.set_pll_alpha_sl,
label="PLL Alpha",
converter=forms.float_converter(),
proportion=0,
)
self._pll_alpha_sl_slider = forms.slider(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_pll_alpha_sl_sizer,
value=self.pll_alpha_sl,
callback=self.set_pll_alpha_sl,
minimum=0.001,
maximum=0.1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.rx_ntb.GetPage(1).GridAdd(_pll_alpha_sl_sizer, 1, 0, 1, 1)
self._gain_tb_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.gain_tb,
callback=self.set_gain_tb,
label="RX gain [dB]",
converter=forms.int_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._gain_tb_text_box, 1, 2, 1, 1)
self._freq_tb_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(0).GetWin(),
value=self.freq_tb,
callback=self.set_freq_tb,
label="Frequency",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(0).GridAdd(self._freq_tb_text_box, 1, 1, 1, 1)
self._frames_file_text_inf_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(3).GetWin(),
value=self.frames_file_text_inf,
callback=self.set_frames_file_text_inf,
label="Frames filename",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(3).GridAdd(self._frames_file_text_inf_static_text,
3, 0, 1, 1)
self._deframer_sync_after_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(2).GetWin(),
value=self.deframer_sync_after_text,
callback=self.set_deframer_sync_after_text,
label="Deframe sync after",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(2).GridAdd(
self._deframer_sync_after_text_static_text, 3, 0, 1, 1)
self._deframer_nosync_after_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(2).GetWin(),
value=self.deframer_nosync_after_text,
callback=self.set_deframer_nosync_after_text,
label="Deframer out of sync after",
converter=forms.float_converter(),
)
self.rx_ntb.GetPage(2).GridAdd(
self._deframer_nosync_after_text_static_text, 4, 0, 1, 1)
self._deframer_check_sync_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(2).GetWin(),
value=self.deframer_check_sync_text,
callback=self.set_deframer_check_sync_text,
label="Deframer check sync enable",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(2).GridAdd(
self._deframer_check_sync_text_static_text, 2, 0, 1, 1)
self._datetime_text_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(3).GetWin(),
value=self.datetime_text,
callback=self.set_datetime_text,
label="Local time of aquisition start",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(3).GridAdd(self._datetime_text_static_text, 1, 0,
1, 1)
_clock_alpha_sl_sizer = wx.BoxSizer(wx.VERTICAL)
self._clock_alpha_sl_text_box = forms.text_box(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_clock_alpha_sl_sizer,
value=self.clock_alpha_sl,
callback=self.set_clock_alpha_sl,
label="Clock alpha",
converter=forms.float_converter(),
proportion=0,
)
self._clock_alpha_sl_slider = forms.slider(
parent=self.rx_ntb.GetPage(1).GetWin(),
sizer=_clock_alpha_sl_sizer,
value=self.clock_alpha_sl,
callback=self.set_clock_alpha_sl,
minimum=0.001,
maximum=0.1,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.rx_ntb.GetPage(1).GridAdd(_clock_alpha_sl_sizer, 1, 1, 1, 1)
self._baseband_file_text_inf_static_text = forms.static_text(
parent=self.rx_ntb.GetPage(3).GetWin(),
value=self.baseband_file_text_inf,
callback=self.set_baseband_file_text_inf,
label="Baseband filename",
converter=forms.str_converter(),
)
self.rx_ntb.GetPage(3).GridAdd(
self._baseband_file_text_inf_static_text, 4, 0, 1, 1)
##################################################
# Blocks
##################################################
self.gr_agc_xx_0 = gr.agc_cc(10e-6, 1, 1.0 / 32767.0, 1.0)
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_sink_0_0 = gr.file_sink(gr.sizeof_short * 1, frames_file)
self.gr_file_sink_0_0.set_unbuffered(False)
self.gr_file_sink_0_1 = gr.file_sink(gr.sizeof_short * 2,
baseband_file)
self.gr_file_sink_0_1.set_unbuffered(False)
self.gr_float_to_complex_0 = gr.float_to_complex(1)
self.gr_moving_average_xx_0 = gr.moving_average_ff(hs, 1.0 / hs, 4000)
self.gr_short_to_float_0 = gr.short_to_float()
self.gr_short_to_float_0_0 = gr.short_to_float()
self.gr_vector_to_streams_0 = gr.vector_to_streams(
gr.sizeof_short * 1, 2)
self.noaa_hrpt_decoder_0 = noaa.hrpt_decoder(True, False)
self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2 / 4.0,
max_carrier_offset)
self.poesweather_univ_hrpt_deframer_0 = poesweather.univ_hrpt_deframer(
deframer_sync_check, 11090, deframer_insync_frames,
deframer_outsync_frames)
self.usrp2_source_xxxx2_0 = usrp2.source_16sc()
self.usrp2_source_xxxx2_0.set_decim(decim_tb)
self.usrp2_source_xxxx2_0.set_center_freq(freq_tb)
self.usrp2_source_xxxx2_0.set_gain(gain_tb)
self.wxgui_fftsink1 = fftsink2.fft_sink_c(
self.rx_ntb.GetPage(0).GetWin(),
baseband_freq=freq,
y_per_div=5,
y_divs=10,
ref_level=65,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=30,
average=True,
avg_alpha=0.1,
title="Not filtered spectrum",
peak_hold=False,
)
self.rx_ntb.GetPage(0).Add(self.wxgui_fftsink1.win)
##################################################
# Connections
##################################################
self.connect((self.gr_float_to_complex_0, 0), (self.wxgui_fftsink1, 0))
self.connect((self.poesweather_univ_hrpt_deframer_0, 0),
(self.noaa_hrpt_decoder_0, 0))
self.connect((self.gr_binary_slicer_fb_0, 0),
(self.poesweather_univ_hrpt_deframer_0, 0))
self.connect((self.poesweather_univ_hrpt_deframer_0, 0),
(self.gr_file_sink_0_0, 0))
self.connect((self.gr_clock_recovery_mm_xx_0, 0),
(self.gr_binary_slicer_fb_0, 0))
self.connect((self.pll, 0), (self.gr_moving_average_xx_0, 0))
self.connect((self.gr_moving_average_xx_0, 0),
(self.gr_clock_recovery_mm_xx_0, 0))
self.connect((self.gr_agc_xx_0, 0), (self.pll, 0))
self.connect((self.gr_float_to_complex_0, 0), (self.gr_agc_xx_0, 0))
self.connect((self.gr_vector_to_streams_0, 0),
(self.gr_short_to_float_0, 0))
self.connect((self.gr_vector_to_streams_0, 1),
(self.gr_short_to_float_0_0, 0))
self.connect((self.usrp2_source_xxxx2_0, 0),
(self.gr_vector_to_streams_0, 0))
self.connect((self.usrp2_source_xxxx2_0, 0),
(self.gr_file_sink_0_1, 0))
self.connect((self.gr_short_to_float_0_0, 0),
(self.gr_float_to_complex_0, 1))
self.connect((self.gr_short_to_float_0, 0),
(self.gr_float_to_complex_0, 0))
def __init__(self,
decim=32,
freq=1698e6,
gain=35,
side="A",
frames_file=os.environ['HOME'] + '/NOAA-XX.hrpt',
baseband_file=os.environ['HOME'] + '/NOAA-XX.dat',
satellite='NOAA-XX',
sync_check=False):
gr.top_block.__init__(self, "USRP NOAA HRPT Receiver")
##################################################
# Parameters
##################################################
self.decim = decim
self.freq = freq
self.gain = gain
self.side = side
self.frames_file = frames_file
self.baseband_file = baseband_file
self.satellite = satellite
self.sync_check = sync_check
##################################################
# Variables
##################################################
self.sym_rate = sym_rate = 600 * 1109
self.samp_rate = samp_rate = 64e6 / decim
self.sps = sps = samp_rate / sym_rate
self.config_filename = config_filename = os.environ[
'HOME'] + '/.gnuradio/noaa_hrpt.conf'
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(
"satname", 'pll_alpha')
except:
saved_pll_alpha = 0.005
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("satname", 'gain')
except:
saved_gain = gain
self.saved_gain = saved_gain
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(
"satname", 'clock_alpha')
except:
saved_clock_alpha = 0.001
self.saved_clock_alpha = saved_clock_alpha
self.max_clock_offset = max_clock_offset = 0.1
self.max_carrier_offset = max_carrier_offset = 2 * math.pi * 100e3 / samp_rate
self.hs = hs = int(sps / 2.0)
##################################################
# Blocks
##################################################
self.agc = gr.agc_cc(1e-5, 1.0, 1.0 / 32768.0, 1.0)
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, saved_clock_alpha**2 / 4.0, 0.5, saved_clock_alpha,
max_clock_offset)
self.gr_file_sink_0 = gr.file_sink(gr.sizeof_short * 1, baseband_file)
self.gr_file_sink_0.set_unbuffered(False)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_short * 1, frames_file)
self.gr_file_sink_0_0.set_unbuffered(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.noaa_hrpt_decoder_0 = noaa.hrpt_decoder(True, False)
self.pll = noaa.hrpt_pll_cf(saved_pll_alpha, saved_pll_alpha**2 / 4.0,
max_carrier_offset)
self.poesweather_noaa_hrpt_deframer_0 = poesweather.noaa_hrpt_deframer(
sync_check)
self.usrp_simple_source_x_0 = grc_usrp.simple_source_s(which=0,
side=side,
rx_ant="RXA")
self.usrp_simple_source_x_0.set_decim_rate(decim)
self.usrp_simple_source_x_0.set_frequency(freq, verbose=True)
self.usrp_simple_source_x_0.set_gain(gain)
##################################################
# Connections
##################################################
self.connect((self.gr_clock_recovery_mm_xx_0, 0),
(self.gr_binary_slicer_fb_0, 0))
self.connect((self.agc, 0), (self.pll, 0))
self.connect((self.pll, 0), (self.gr_moving_average_xx_0, 0))
self.connect((self.gr_moving_average_xx_0, 0),
(self.gr_clock_recovery_mm_xx_0, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0),
(self.gr_file_sink_0_0, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0),
(self.noaa_hrpt_decoder_0, 0))
self.connect((self.gr_binary_slicer_fb_0, 0),
(self.poesweather_noaa_hrpt_deframer_0, 0))
self.connect((self.usrp_simple_source_x_0, 0),
(self.gr_file_sink_0, 0))
self.connect((self.gr_interleaved_short_to_complex_0, 0),
(self.agc, 0))
self.connect((self.usrp_simple_source_x_0, 0),
(self.gr_interleaved_short_to_complex_0, 0))
def __init__(self, sync_check=False, decim=32, freq=1698e6, gain=35, side="A", frames_file=os.environ['HOME'] + '/NOAA-XX.hrpt', satellite='NOAA-XX'):
gr.top_block.__init__(self, "USRP NOAA HRPT Receiver")
##################################################
# Parameters
##################################################
self.sync_check = sync_check
self.decim = decim
self.freq = freq
self.gain = gain
self.side = side
self.frames_file = frames_file
self.satellite = satellite
##################################################
# Variables
##################################################
self.sym_rate = sym_rate = 600*1109
self.samp_rate = samp_rate = 64e6/decim
self.sps = sps = samp_rate/sym_rate
self.config_filename = config_filename = os.environ['HOME']+'/.gnuradio/noaa_hrpt.conf'
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("satname", 'pll_alpha')
except: saved_pll_alpha = 0.005
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("satname", 'gain')
except: saved_gain = gain
self.saved_gain = saved_gain
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("satname", 'clock_alpha')
except: saved_clock_alpha = 0.001
self.saved_clock_alpha = saved_clock_alpha
self.max_clock_offset = max_clock_offset = 0.1
self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/samp_rate
self.hs = hs = int(sps/2.0)
##################################################
# Blocks
##################################################
self.agc = gr.agc_cc(1e-5, 1.0, 1.0/32768.0, 1.0)
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, saved_clock_alpha**2/4.0, 0.5, saved_clock_alpha, max_clock_offset)
self.gr_file_sink_0_0 = gr.file_sink(gr.sizeof_short*1, frames_file)
self.gr_file_sink_0_0.set_unbuffered(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.noaa_hrpt_decoder_0 = noaa.hrpt_decoder(True,False)
self.pll = noaa.hrpt_pll_cf(saved_pll_alpha, saved_pll_alpha**2/4.0, max_carrier_offset)
self.poesweather_noaa_hrpt_deframer_0 = poesweather.noaa_hrpt_deframer(sync_check)
self.usrp_simple_source_x_0 = grc_usrp.simple_source_s(which=0, side=side, rx_ant="RXA")
self.usrp_simple_source_x_0.set_decim_rate(decim)
self.usrp_simple_source_x_0.set_frequency(freq, verbose=True)
self.usrp_simple_source_x_0.set_gain(gain)
##################################################
# Connections
##################################################
self.connect((self.gr_interleaved_short_to_complex_0, 0), (self.agc, 0))
self.connect((self.usrp_simple_source_x_0, 0), (self.gr_interleaved_short_to_complex_0, 0))
self.connect((self.gr_clock_recovery_mm_xx_0, 0), (self.gr_binary_slicer_fb_0, 0))
self.connect((self.agc, 0), (self.pll, 0))
self.connect((self.pll, 0), (self.gr_moving_average_xx_0, 0))
self.connect((self.gr_moving_average_xx_0, 0), (self.gr_clock_recovery_mm_xx_0, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0), (self.gr_file_sink_0_0, 0))
self.connect((self.poesweather_noaa_hrpt_deframer_0, 0), (self.noaa_hrpt_decoder_0, 0))
self.connect((self.gr_binary_slicer_fb_0, 0), (self.poesweather_noaa_hrpt_deframer_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Usrp Rx Hrpt Nogui")
##################################################
# Variables
##################################################
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._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._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')
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_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,True)
self.deframer = noaa.hrpt_deframer()
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.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.usrp_source, 0), (self.agc, 0))
self.connect((self.agc, 0), (self.pll, 0))
self.connect((self.pll, 0), (self.gr_moving_average_xx_0, 0))
self.connect((self.gr_moving_average_xx_0, 0), (self.gr_clock_recovery_mm_xx_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_binary_slicer_fb_0, 0), (self.deframer, 0))