def __init__(self, decim=32, sync_check=False, satellite='METEOR-M-1', baseband_file=os.environ['HOME'] + '/METEOR-M-1.dat', frames_file=os.environ['HOME'] + '/METEOR-M-1.hrpt'):
		gr.top_block.__init__(self, "Meteor M N1 HRPT Baseband To Frames")

		##################################################
		# Parameters
		##################################################
		self.decim = decim
		self.sync_check = sync_check
		self.satellite = satellite
		self.baseband_file = baseband_file
		self.frames_file = frames_file

		##################################################
		# 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/mn1_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.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_mn1_hrpt_deframer_0 = poesweather.mn1_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_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))
		self.connect((self.gr_binary_slicer_fb_0, 0), (self.poesweather_mn1_hrpt_deframer_0, 0))
		self.connect((self.poesweather_mn1_hrpt_deframer_0, 0), (self.frame_sink, 0))
Example #2
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))
Example #3
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, 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))
Example #5
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,
                 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))
Example #7
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, 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,
                 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',
                 gain=35,
                 freq=1698e6,
                 sync_check=False,
                 side="A:0",
                 rate=2e6,
                 frames_file=os.environ['HOME'] +
                 '/data/noaa/frames/NOAA-XX.hrpt',
                 baseband_file=os.environ['HOME'] +
                 '/data/noaa/baseband/NOAA-XX.dat'):
        grc_wxgui.top_block_gui.__init__(self,
                                         title="Enhanced 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.gain = gain
        self.freq = freq
        self.sync_check = sync_check
        self.side = side
        self.rate = rate
        self.frames_file = frames_file
        self.baseband_file = baseband_file

        ##################################################
        # Variables
        ##################################################
        self.sym_rate = sym_rate = 600 * 1109
        self.samp_rate = samp_rate = rate
        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(
                satellite, '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(
                satellite, '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(satellite, '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.rate_tb = rate_tb = 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.datetime_text = datetime_text = strftime("%A, %B %d %Y %H:%M:%S",
                                                      localtime())
        self.clock_alpha = clock_alpha = saved_clock_alpha

        ##################################################
        # Blocks
        ##################################################
        _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.displays = 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)
        _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.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
            self.displays.GetPage(0).GetWin(),
            baseband_freq=0,
            y_per_div=5,
            y_divs=10,
            ref_level=-70,
            ref_scale=2.0,
            sample_rate=samp_rate,
            fft_size=1024,
            fft_rate=15,
            average=True,
            avg_alpha=0.4,
            title="NOAA HRPT FFT Spectrum",
            peak_hold=False,
        )
        self.displays.GetPage(0).Add(self.wxgui_fftsink2_0.win)
        self.uhd_usrp_source_0 = uhd.usrp_source(
            device_addr="",
            stream_args=uhd.stream_args(
                cpu_format="fc32",
                channels=range(1),
            ),
        )
        self.uhd_usrp_source_0.set_subdev_spec(side, 0)
        self.uhd_usrp_source_0.set_samp_rate(samp_rate)
        self.uhd_usrp_source_0.set_center_freq(freq, 0)
        self.uhd_usrp_source_0.set_gain(gain_slider, 0)
        self._sync_check_txt_static_text = forms.static_text(
            parent=self.GetWin(),
            value=self.sync_check_txt,
            callback=self.set_sync_check_txt,
            label="Continuous sync check",
            converter=forms.str_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)
        self._rate_tb_text_box = forms.text_box(
            parent=self.GetWin(),
            value=self.rate_tb,
            callback=self.set_rate_tb,
            label="Sample rate",
            converter=forms.float_converter(),
        )
        self.GridAdd(self._rate_tb_text_box, 1, 0, 1, 1)
        self.poesweather_noaa_hrpt_deframer_0 = poesweather.noaa_hrpt_deframer(
            False)
        _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)
        self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2 / 4.0,
                                    max_carrier_offset)
        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,
                                         4, 0, 1, 1)
        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._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)
        self.blocks_moving_average_xx_0 = blocks.moving_average_ff(
            hs, 1.0 / hs, 4000)
        self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_short * 1,
                                                   baseband_file)
        self.blocks_file_sink_1.set_unbuffered(False)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_short * 1,
                                                   frames_file)
        self.blocks_file_sink_0.set_unbuffered(False)
        self.blocks_complex_to_interleaved_short_0 = blocks.complex_to_interleaved_short(
        )
        self.analog_agc_xx_0 = analog.agc_cc(1e-5, 1.0, 1.0 / 32768.0, 1.0)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_agc_xx_0, 0), (self.pll, 0))
        self.connect((self.pll, 0), (self.blocks_moving_average_xx_0, 0))
        self.connect((self.uhd_usrp_source_0, 0), (self.wxgui_fftsink2_0, 0))
        self.connect((self.uhd_usrp_source_0, 0), (self.analog_agc_xx_0, 0))
        self.connect((self.blocks_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.poesweather_noaa_hrpt_deframer_0, 0),
                     (self.blocks_file_sink_0, 0))
        self.connect((self.digital_binary_slicer_fb_0, 0),
                     (self.poesweather_noaa_hrpt_deframer_0, 0))
        self.connect((self.uhd_usrp_source_0, 0),
                     (self.blocks_complex_to_interleaved_short_0, 0))
        self.connect((self.blocks_complex_to_interleaved_short_0, 0),
                     (self.blocks_file_sink_1, 0))
Example #12
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,
        deframer_insync_frames=2,
        deframer_outsync_frames=5,
        deframer_sync_check=True,
        pll_alpha=0.005,
        satellite="NOAAxx",
        decim=50,
        symb_rate=600 * 1109,
        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",
        clock_alpha=0.005,
    ):
        grc_wxgui.top_block_gui.__init__(self, title="NOAA HRPT Receiver from baseband file")

        ##################################################
        # Parameters
        ##################################################
        self.deframer_insync_frames = deframer_insync_frames
        self.deframer_outsync_frames = deframer_outsync_frames
        self.deframer_sync_check = deframer_sync_check
        self.pll_alpha = pll_alpha
        self.satellite = satellite
        self.decim = decim
        self.symb_rate = symb_rate
        self.baseband_file = baseband_file
        self.frames_file = frames_file
        self.clock_alpha = clock_alpha

        ##################################################
        # 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.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_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._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_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_source_0 = gr.file_source(gr.sizeof_short * 1, baseband_file, False)
        self.gr_moving_average_xx_0 = gr.moving_average_ff(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.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.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)

        ##################################################
        # 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.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.cs2cf, 0), (self.gr_agc_xx_0_0, 0))
        self.connect((self.gr_agc_xx_0_0, 0), (self.pll, 0))
        self.connect((self.cs2cf, 0), (self.wxgui_fftsink1, 0))
Example #14
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))
Example #15
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):
        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))
Example #17
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, satellite='NOAA-XX', gain=35, freq=1698e6, sync_check=False, side="A:0", rate=2e6, frames_file=os.environ['HOME'] + '/data/noaa/frames/NOAA-XX.hrpt', baseband_file=os.environ['HOME'] + '/data/noaa/baseband/NOAA-XX.dat'):
		grc_wxgui.top_block_gui.__init__(self, title="Enhanced 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.gain = gain
		self.freq = freq
		self.sync_check = sync_check
		self.side = side
		self.rate = rate
		self.frames_file = frames_file
		self.baseband_file = baseband_file

		##################################################
		# Variables
		##################################################
		self.sym_rate = sym_rate = 600*1109
		self.samp_rate = samp_rate = rate
		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(satellite, '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(satellite, '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(satellite, '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.rate_tb = rate_tb = 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.datetime_text = datetime_text = strftime("%A, %B %d %Y %H:%M:%S", localtime())
		self.clock_alpha = clock_alpha = saved_clock_alpha

		##################################################
		# Blocks
		##################################################
		_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.displays = 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)
		_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.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
			self.displays.GetPage(0).GetWin(),
			baseband_freq=0,
			y_per_div=5,
			y_divs=10,
			ref_level=-70,
			ref_scale=2.0,
			sample_rate=samp_rate,
			fft_size=1024,
			fft_rate=15,
			average=True,
			avg_alpha=0.4,
			title="NOAA HRPT FFT Spectrum",
			peak_hold=False,
		)
		self.displays.GetPage(0).Add(self.wxgui_fftsink2_0.win)
		self.uhd_usrp_source_0 = uhd.usrp_source(
			device_addr="",
			stream_args=uhd.stream_args(
				cpu_format="fc32",
				channels=range(1),
			),
		)
		self.uhd_usrp_source_0.set_subdev_spec(side, 0)
		self.uhd_usrp_source_0.set_samp_rate(samp_rate)
		self.uhd_usrp_source_0.set_center_freq(freq, 0)
		self.uhd_usrp_source_0.set_gain(gain_slider, 0)
		self._sync_check_txt_static_text = forms.static_text(
			parent=self.GetWin(),
			value=self.sync_check_txt,
			callback=self.set_sync_check_txt,
			label="Continuous sync check",
			converter=forms.str_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)
		self._rate_tb_text_box = forms.text_box(
			parent=self.GetWin(),
			value=self.rate_tb,
			callback=self.set_rate_tb,
			label="Sample rate",
			converter=forms.float_converter(),
		)
		self.GridAdd(self._rate_tb_text_box, 1, 0, 1, 1)
		self.poesweather_noaa_hrpt_deframer_0 = poesweather.noaa_hrpt_deframer(False)
		_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)
		self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
		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, 4, 0, 1, 1)
		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._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)
		self.blocks_moving_average_xx_0 = blocks.moving_average_ff(hs, 1.0/hs, 4000)
		self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_short*1, baseband_file)
		self.blocks_file_sink_1.set_unbuffered(False)
		self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_short*1, frames_file)
		self.blocks_file_sink_0.set_unbuffered(False)
		self.blocks_complex_to_interleaved_short_0 = blocks.complex_to_interleaved_short()
		self.analog_agc_xx_0 = analog.agc_cc(1e-5, 1.0, 1.0/32768.0, 1.0)

		##################################################
		# Connections
		##################################################
		self.connect((self.analog_agc_xx_0, 0), (self.pll, 0))
		self.connect((self.pll, 0), (self.blocks_moving_average_xx_0, 0))
		self.connect((self.uhd_usrp_source_0, 0), (self.wxgui_fftsink2_0, 0))
		self.connect((self.uhd_usrp_source_0, 0), (self.analog_agc_xx_0, 0))
		self.connect((self.blocks_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.poesweather_noaa_hrpt_deframer_0, 0), (self.blocks_file_sink_0, 0))
		self.connect((self.digital_binary_slicer_fb_0, 0), (self.poesweather_noaa_hrpt_deframer_0, 0))
		self.connect((self.uhd_usrp_source_0, 0), (self.blocks_complex_to_interleaved_short_0, 0))
		self.connect((self.blocks_complex_to_interleaved_short_0, 0), (self.blocks_file_sink_1, 0))
Example #19
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))
Example #20
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, freq=1698e6, rate=2e6, frames_file=os.environ['HOME'] + '/data/noaa/frames/NOAA-XX.hrpt', rtlsdr="rtl=0", ifgain=20, satellite='NOAA-XX', sync_check=False, rfgain=40):
		grc_wxgui.top_block_gui.__init__(self, title="Enhanced NOAA HRPT Receiver using USB DVB-T Dongles")
		_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
		self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

		##################################################
		# Parameters
		##################################################
		self.freq = freq
		self.rate = rate
		self.frames_file = frames_file
		self.rtlsdr = rtlsdr
		self.ifgain = ifgain
		self.satellite = satellite
		self.sync_check = sync_check
		self.rfgain = rfgain

		##################################################
		# Variables
		##################################################
		self.sym_rate = sym_rate = 600*1109
		self.samp_rate = samp_rate = rate
		self.config_filename = config_filename = os.environ['HOME']+'/.gnuradio/rtlsdr_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(satellite, '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(satellite, 'clock_alpha')
		except: saved_clock_alpha = 0.001
		self.saved_clock_alpha = saved_clock_alpha
		self.sync_check_cb = sync_check_cb = sync_check
		self._saved_rf_gain_config = ConfigParser.ConfigParser()
		self._saved_rf_gain_config.read(config_filename)
		try: saved_rf_gain = self._saved_rf_gain_config.getfloat(satellite, 'rf-gain')
		except: saved_rf_gain = rfgain
		self.saved_rf_gain = saved_rf_gain
		self._saved_if_gain_config = ConfigParser.ConfigParser()
		self._saved_if_gain_config.read(config_filename)
		try: saved_if_gain = self._saved_if_gain_config.getfloat(satellite, 'if-gain')
		except: saved_if_gain = ifgain
		self.saved_if_gain = saved_if_gain
		self.satellite_text = satellite_text = satellite
		self.sample_rate_text = sample_rate_text = samp_rate
		self.rf_gain_slider = rf_gain_slider = rfgain
		self.rate_tb = rate_tb = 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.if_gain_slider = if_gain_slider = ifgain
		self.hs = hs = int(sps/2.0)
		self.freq_tb = freq_tb = freq
		self.frames_outfile_text = frames_outfile_text = frames_file
		self.datetime_text = datetime_text = strftime("%A, %B %d %Y %H:%M:%S", localtime())
		self.clock_alpha = clock_alpha = saved_clock_alpha

		##################################################
		# Blocks
		##################################################
		_rf_gain_slider_sizer = wx.BoxSizer(wx.VERTICAL)
		self._rf_gain_slider_text_box = forms.text_box(
			parent=self.GetWin(),
			sizer=_rf_gain_slider_sizer,
			value=self.rf_gain_slider,
			callback=self.set_rf_gain_slider,
			label="RF Gain",
			converter=forms.int_converter(),
			proportion=0,
		)
		self._rf_gain_slider_slider = forms.slider(
			parent=self.GetWin(),
			sizer=_rf_gain_slider_sizer,
			value=self.rf_gain_slider,
			callback=self.set_rf_gain_slider,
			minimum=0,
			maximum=100,
			num_steps=100,
			style=wx.SL_HORIZONTAL,
			cast=int,
			proportion=1,
		)
		self.GridAdd(_rf_gain_slider_sizer, 2, 0, 1, 1)
		_if_gain_slider_sizer = wx.BoxSizer(wx.VERTICAL)
		self._if_gain_slider_text_box = forms.text_box(
			parent=self.GetWin(),
			sizer=_if_gain_slider_sizer,
			value=self.if_gain_slider,
			callback=self.set_if_gain_slider,
			label="IF Gain",
			converter=forms.int_converter(),
			proportion=0,
		)
		self._if_gain_slider_slider = forms.slider(
			parent=self.GetWin(),
			sizer=_if_gain_slider_sizer,
			value=self.if_gain_slider,
			callback=self.set_if_gain_slider,
			minimum=0,
			maximum=100,
			num_steps=100,
			style=wx.SL_HORIZONTAL,
			cast=int,
			proportion=1,
		)
		self.GridAdd(_if_gain_slider_sizer, 2, 1, 1, 1)
		self.displays = 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)
		_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, 3, 1, 1)
		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=-30,
			ref_scale=2.0,
			sample_rate=samp_rate,
			fft_size=512,
			fft_rate=5,
			average=True,
			avg_alpha=0.4,
			title="NOAA HRPT FFT Spectrum",
			peak_hold=False,
		)
		self.displays.GetPage(0).Add(self.wxgui_fftsink2_0.win)
		self._sync_check_cb_check_box = forms.check_box(
			parent=self.GetWin(),
			value=self.sync_check_cb,
			callback=self.set_sync_check_cb,
			label="Continuous sync check",
			true=True,
			false=False,
		)
		self.GridAdd(self._sync_check_cb_check_box, 1, 2, 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)
		self._rate_tb_text_box = forms.text_box(
			parent=self.GetWin(),
			value=self.rate_tb,
			callback=self.set_rate_tb,
			label="Sample rate",
			converter=forms.float_converter(),
		)
		self.GridAdd(self._rate_tb_text_box, 1, 0, 1, 1)
		self.poesweather_noaa_hrpt_deframer_0 = poesweather.noaa_hrpt_deframer(False)
		_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, 2, 1, 1)
		self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
		self.osmosdr_source_c_0 = osmosdr.source_c( args="nchan=" + str(1) + " " + rtlsdr )
		self.osmosdr_source_c_0.set_sample_rate(samp_rate)
		self.osmosdr_source_c_0.set_center_freq(freq, 0)
		self.osmosdr_source_c_0.set_freq_corr(0, 0)
		self.osmosdr_source_c_0.set_iq_balance_mode(0, 0)
		self.osmosdr_source_c_0.set_gain_mode(0, 0)
		self.osmosdr_source_c_0.set_gain(rf_gain_slider, 0)
		self.osmosdr_source_c_0.set_if_gain(if_gain_slider, 0)
			
		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, 4, 0, 1, 1)
		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._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)
		self.blocks_moving_average_xx_0 = blocks.moving_average_ff(hs, 1.0/hs, 4000)
		self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_short*1, frames_file)
		self.blocks_file_sink_0.set_unbuffered(False)
		self.analog_agc_xx_0 = analog.agc_cc(1e-5, 1.0, 1.0/32768.0, 1.0)

		##################################################
		# Connections
		##################################################
		self.connect((self.analog_agc_xx_0, 0), (self.pll, 0))
		self.connect((self.pll, 0), (self.blocks_moving_average_xx_0, 0))
		self.connect((self.blocks_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.poesweather_noaa_hrpt_deframer_0, 0), (self.blocks_file_sink_0, 0))
		self.connect((self.digital_binary_slicer_fb_0, 0), (self.poesweather_noaa_hrpt_deframer_0, 0))
		self.connect((self.osmosdr_source_c_0, 0), (self.wxgui_fftsink2_0, 0))
		self.connect((self.osmosdr_source_c_0, 0), (self.analog_agc_xx_0, 0))
Example #22
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,
                 freq=1698e6,
                 rate=2e6,
                 frames_file=os.environ['HOME'] +
                 '/data/noaa/frames/NOAA-XX.hrpt',
                 rtlsdr="rtl=0",
                 ifgain=20,
                 satellite='NOAA-XX',
                 sync_check=False,
                 rfgain=40):
        grc_wxgui.top_block_gui.__init__(
            self, title="Enhanced NOAA HRPT Receiver using USB DVB-T Dongles")
        _icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Parameters
        ##################################################
        self.freq = freq
        self.rate = rate
        self.frames_file = frames_file
        self.rtlsdr = rtlsdr
        self.ifgain = ifgain
        self.satellite = satellite
        self.sync_check = sync_check
        self.rfgain = rfgain

        ##################################################
        # Variables
        ##################################################
        self.sym_rate = sym_rate = 600 * 1109
        self.samp_rate = samp_rate = rate
        self.config_filename = config_filename = os.environ[
            'HOME'] + '/.gnuradio/rtlsdr_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(
                satellite, '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(
                satellite, 'clock_alpha')
        except:
            saved_clock_alpha = 0.001
        self.saved_clock_alpha = saved_clock_alpha
        self.sync_check_cb = sync_check_cb = sync_check
        self._saved_rf_gain_config = ConfigParser.ConfigParser()
        self._saved_rf_gain_config.read(config_filename)
        try:
            saved_rf_gain = self._saved_rf_gain_config.getfloat(
                satellite, 'rf-gain')
        except:
            saved_rf_gain = rfgain
        self.saved_rf_gain = saved_rf_gain
        self._saved_if_gain_config = ConfigParser.ConfigParser()
        self._saved_if_gain_config.read(config_filename)
        try:
            saved_if_gain = self._saved_if_gain_config.getfloat(
                satellite, 'if-gain')
        except:
            saved_if_gain = ifgain
        self.saved_if_gain = saved_if_gain
        self.satellite_text = satellite_text = satellite
        self.sample_rate_text = sample_rate_text = samp_rate
        self.rf_gain_slider = rf_gain_slider = rfgain
        self.rate_tb = rate_tb = 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.if_gain_slider = if_gain_slider = ifgain
        self.hs = hs = int(sps / 2.0)
        self.freq_tb = freq_tb = freq
        self.frames_outfile_text = frames_outfile_text = frames_file
        self.datetime_text = datetime_text = strftime("%A, %B %d %Y %H:%M:%S",
                                                      localtime())
        self.clock_alpha = clock_alpha = saved_clock_alpha

        ##################################################
        # Blocks
        ##################################################
        _rf_gain_slider_sizer = wx.BoxSizer(wx.VERTICAL)
        self._rf_gain_slider_text_box = forms.text_box(
            parent=self.GetWin(),
            sizer=_rf_gain_slider_sizer,
            value=self.rf_gain_slider,
            callback=self.set_rf_gain_slider,
            label="RF Gain",
            converter=forms.int_converter(),
            proportion=0,
        )
        self._rf_gain_slider_slider = forms.slider(
            parent=self.GetWin(),
            sizer=_rf_gain_slider_sizer,
            value=self.rf_gain_slider,
            callback=self.set_rf_gain_slider,
            minimum=0,
            maximum=100,
            num_steps=100,
            style=wx.SL_HORIZONTAL,
            cast=int,
            proportion=1,
        )
        self.GridAdd(_rf_gain_slider_sizer, 2, 0, 1, 1)
        _if_gain_slider_sizer = wx.BoxSizer(wx.VERTICAL)
        self._if_gain_slider_text_box = forms.text_box(
            parent=self.GetWin(),
            sizer=_if_gain_slider_sizer,
            value=self.if_gain_slider,
            callback=self.set_if_gain_slider,
            label="IF Gain",
            converter=forms.int_converter(),
            proportion=0,
        )
        self._if_gain_slider_slider = forms.slider(
            parent=self.GetWin(),
            sizer=_if_gain_slider_sizer,
            value=self.if_gain_slider,
            callback=self.set_if_gain_slider,
            minimum=0,
            maximum=100,
            num_steps=100,
            style=wx.SL_HORIZONTAL,
            cast=int,
            proportion=1,
        )
        self.GridAdd(_if_gain_slider_sizer, 2, 1, 1, 1)
        self.displays = 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)
        _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, 3, 1, 1)
        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=-30,
            ref_scale=2.0,
            sample_rate=samp_rate,
            fft_size=512,
            fft_rate=5,
            average=True,
            avg_alpha=0.4,
            title="NOAA HRPT FFT Spectrum",
            peak_hold=False,
        )
        self.displays.GetPage(0).Add(self.wxgui_fftsink2_0.win)
        self._sync_check_cb_check_box = forms.check_box(
            parent=self.GetWin(),
            value=self.sync_check_cb,
            callback=self.set_sync_check_cb,
            label="Continuous sync check",
            true=True,
            false=False,
        )
        self.GridAdd(self._sync_check_cb_check_box, 1, 2, 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)
        self._rate_tb_text_box = forms.text_box(
            parent=self.GetWin(),
            value=self.rate_tb,
            callback=self.set_rate_tb,
            label="Sample rate",
            converter=forms.float_converter(),
        )
        self.GridAdd(self._rate_tb_text_box, 1, 0, 1, 1)
        self.poesweather_noaa_hrpt_deframer_0 = poesweather.noaa_hrpt_deframer(
            False)
        _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, 2, 1, 1)
        self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2 / 4.0,
                                    max_carrier_offset)
        self.osmosdr_source_c_0 = osmosdr.source_c(args="nchan=" + str(1) +
                                                   " " + rtlsdr)
        self.osmosdr_source_c_0.set_sample_rate(samp_rate)
        self.osmosdr_source_c_0.set_center_freq(freq, 0)
        self.osmosdr_source_c_0.set_freq_corr(0, 0)
        self.osmosdr_source_c_0.set_iq_balance_mode(0, 0)
        self.osmosdr_source_c_0.set_gain_mode(0, 0)
        self.osmosdr_source_c_0.set_gain(rf_gain_slider, 0)
        self.osmosdr_source_c_0.set_if_gain(if_gain_slider, 0)

        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,
                                         4, 0, 1, 1)
        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._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)
        self.blocks_moving_average_xx_0 = blocks.moving_average_ff(
            hs, 1.0 / hs, 4000)
        self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_short * 1,
                                                   frames_file)
        self.blocks_file_sink_0.set_unbuffered(False)
        self.analog_agc_xx_0 = analog.agc_cc(1e-5, 1.0, 1.0 / 32768.0, 1.0)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.analog_agc_xx_0, 0), (self.pll, 0))
        self.connect((self.pll, 0), (self.blocks_moving_average_xx_0, 0))
        self.connect((self.blocks_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.poesweather_noaa_hrpt_deframer_0, 0),
                     (self.blocks_file_sink_0, 0))
        self.connect((self.digital_binary_slicer_fb_0, 0),
                     (self.poesweather_noaa_hrpt_deframer_0, 0))
        self.connect((self.osmosdr_source_c_0, 0), (self.wxgui_fftsink2_0, 0))
        self.connect((self.osmosdr_source_c_0, 0), (self.analog_agc_xx_0, 0))
Example #24
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, 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, decim=50, satellite='Meteor-M-N1', frames_file=os.environ['HOME'] + '/MN1_hrpt_frames.hmf', baseband_file="/home/martin/GNURadioData/hrpt/baseband/HRPT_Meteor-M-N1_2011-02-27_09-30-46_UTC_U2_d50.sam", symb_rate=600*1109, clock_alpha=0.050, pll_alpha=0.05, deframer_outsync_frames=100, deframer_insync_frames=3, deframer_sync_check=False):
		grc_wxgui.top_block_gui.__init__(self, title="Meteor M-N1 HRPT Receiver from baseband file")
		_icon_path = "/home/martin/.local/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
		self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

		##################################################
		# Parameters
		##################################################
		self.decim = decim
		self.satellite = satellite
		self.frames_file = frames_file
		self.baseband_file = baseband_file
		self.symb_rate = symb_rate
		self.clock_alpha = clock_alpha
		self.pll_alpha = pll_alpha
		self.deframer_outsync_frames = deframer_outsync_frames
		self.deframer_insync_frames = deframer_insync_frames
		self.deframer_sync_check = deframer_sync_check

		##################################################
		# 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.v = v = True
		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.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

		##################################################
		# Blocks
		##################################################
		self.rx_ntb = 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)
		self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
			self.GetWin(),
			title="Scope Plot",
			sample_rate=samp_rate,
			v_scale=0,
			v_offset=0,
			t_scale=0,
			ac_couple=False,
			xy_mode=False,
			num_inputs=1,
			trig_mode=gr.gr_TRIG_MODE_AUTO,
			y_axis_label="Counts",
		)
		self.Add(self.wxgui_scopesink2_0.win)
		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._v_check_box = forms.check_box(
			parent=self.GetWin(),
			value=self.v,
			callback=self.set_v,
			label="Open",
			true=True,
			false=False,
		)
		self.Add(self._v_check_box)
		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)
		self.poesweather_meteor_cadu_deframer_0 = poesweather.meteor_cadu_deframer(deframer_sync_check, 256, deframer_insync_frames, deframer_outsync_frames)
		_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.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
		self.gr_throttle_0 = gr.throttle(gr.sizeof_short*1, samp_rate*10)
		self.gr_multiply_const_vxx_0 = gr.multiply_const_vff((-1, ))
		self.gr_moving_average_xx_0 = gr.moving_average_ff(hs, 1.0/hs, 4000)
		self.gr_file_source_0_0 = gr.file_source(gr.sizeof_short*1, "/home/martin/hrpt/baseband/METEOR-M-1/2011/07/24/METEOR-M-1_2011-07-24T113448_U2d50.sam", False)
		self.gr_file_sink_0_0_0 = gr.file_sink(gr.sizeof_char*1, "frames.mn1")
		self.gr_file_sink_0_0_0.set_unbuffered(False)
		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_binary_slicer_fb_0 = gr.binary_slicer_fb()
		self.gr_agc_xx_0_0 = gr.agc_cc(10e-6, 1, 1.0/32767.0, 1.0)
		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._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._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)
		self.cs2cf = gr.interleaved_short_to_complex()
		_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)

		##################################################
		# Connections
		##################################################
		self.connect((self.gr_throttle_0, 0), (self.cs2cf, 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.cs2cf, 0), (self.gr_agc_xx_0_0, 0))
		self.connect((self.gr_agc_xx_0_0, 0), (self.pll, 0))
		self.connect((self.cs2cf, 0), (self.wxgui_fftsink1, 0))
		self.connect((self.gr_multiply_const_vxx_0, 0), (self.gr_binary_slicer_fb_0, 0))
		self.connect((self.gr_clock_recovery_mm_xx_0, 0), (self.gr_multiply_const_vxx_0, 0))
		self.connect((self.poesweather_meteor_cadu_deframer_0, 0), (self.gr_file_sink_0_0_0, 0))
		self.connect((self.gr_binary_slicer_fb_0, 0), (self.poesweather_meteor_cadu_deframer_0, 0))
		self.connect((self.gr_file_source_0_0, 0), (self.gr_throttle_0, 0))
		self.connect((self.gr_clock_recovery_mm_xx_0, 0), (self.wxgui_scopesink2_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))
Example #28
0
	def __init__(self, side="A", gain=35, decim=32, sync_check=False, satellite='METEOR-M-1', frames_file=os.environ['HOME'] + '/METEOR-M-1.hrpt', freq=1700e6):
		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.side = side
		self.gain = gain
		self.decim = decim
		self.sync_check = sync_check
		self.satellite = satellite
		self.frames_file = frames_file
		self.freq = freq

		##################################################
		# Variables
		##################################################
		self.sym_rate = sym_rate = 600*1109
		self.samp_rate = samp_rate = 64e6/decim
		self.config_filename = config_filename = os.environ['HOME']+'/.gnuradio/mn1_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

		##################################################
		# Notebooks
		##################################################
		self.displays = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
		self.displays.AddPage(grc_wxgui.Panel(self.displays), "RX Meteor M N1 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, 4, 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)

		##################################################
		# 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_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.gr_rms_xx_0 = gr.rms_cf(0.2)
		self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset)
		self.poesweather_mn1_hrpt_deframer_0 = poesweather.mn1_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="Meteor M N1 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_binary_slicer_fb_0, 0), (self.poesweather_mn1_hrpt_deframer_0, 0))
		self.connect((self.usrp_simple_source_x_0, 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.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.gr_interleaved_short_to_complex_0, 0), (self.wxgui_fftsink2_0, 0))
		self.connect((self.gr_interleaved_short_to_complex_0, 0), (self.gr_rms_xx_0, 0))
		self.connect((self.gr_rms_xx_0, 0), (self.wxgui_numbersink2_0, 0))
		self.connect((self.poesweather_mn1_hrpt_deframer_0, 0), (self.gr_file_sink_0_0, 0))
Example #29
0
    def __init__(
            self,
            deframer_insync_frames=2,
            deframer_outsync_frames=5,
            deframer_sync_check=True,
            pll_alpha=0.005,
            satellite='NOAAxx',
            decim=50,
            symb_rate=600 * 1109,
            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',
            clock_alpha=0.005):
        grc_wxgui.top_block_gui.__init__(
            self, title="NOAA HRPT Receiver from baseband file")

        ##################################################
        # Parameters
        ##################################################
        self.deframer_insync_frames = deframer_insync_frames
        self.deframer_outsync_frames = deframer_outsync_frames
        self.deframer_sync_check = deframer_sync_check
        self.pll_alpha = pll_alpha
        self.satellite = satellite
        self.decim = decim
        self.symb_rate = symb_rate
        self.baseband_file = baseband_file
        self.frames_file = frames_file
        self.clock_alpha = clock_alpha

        ##################################################
        # 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.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_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._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_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_source_0 = gr.file_source(gr.sizeof_short * 1,
                                               baseband_file, False)
        self.gr_moving_average_xx_0 = gr.moving_average_ff(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.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.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)

        ##################################################
        # 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.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.cs2cf, 0), (self.gr_agc_xx_0_0, 0))
        self.connect((self.gr_agc_xx_0_0, 0), (self.pll, 0))
        self.connect((self.cs2cf, 0), (self.wxgui_fftsink1, 0))
Example #30
0
    def __init__(self,
                 side="A",
                 gain=35,
                 decim=32,
                 sync_check=False,
                 satellite='METEOR-M-1',
                 frames_file=os.environ['HOME'] + '/METEOR-M-1.hrpt',
                 freq=1700e6):
        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.side = side
        self.gain = gain
        self.decim = decim
        self.sync_check = sync_check
        self.satellite = satellite
        self.frames_file = frames_file
        self.freq = freq

        ##################################################
        # Variables
        ##################################################
        self.sym_rate = sym_rate = 600 * 1109
        self.samp_rate = samp_rate = 64e6 / decim
        self.config_filename = config_filename = os.environ[
            'HOME'] + '/.gnuradio/mn1_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

        ##################################################
        # Notebooks
        ##################################################
        self.displays = wx.Notebook(self.GetWin(), style=wx.NB_TOP)
        self.displays.AddPage(grc_wxgui.Panel(self.displays),
                              "RX Meteor M N1 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,
                                         4, 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)

        ##################################################
        # 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_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.gr_rms_xx_0 = gr.rms_cf(0.2)
        self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2 / 4.0,
                                    max_carrier_offset)
        self.poesweather_mn1_hrpt_deframer_0 = poesweather.mn1_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="Meteor M N1 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_binary_slicer_fb_0, 0),
                     (self.poesweather_mn1_hrpt_deframer_0, 0))
        self.connect((self.usrp_simple_source_x_0, 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.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.gr_interleaved_short_to_complex_0, 0),
                     (self.wxgui_fftsink2_0, 0))
        self.connect((self.gr_interleaved_short_to_complex_0, 0),
                     (self.gr_rms_xx_0, 0))
        self.connect((self.gr_rms_xx_0, 0), (self.wxgui_numbersink2_0, 0))
        self.connect((self.poesweather_mn1_hrpt_deframer_0, 0),
                     (self.gr_file_sink_0_0, 0))
    def __init__(
            self,
            decim=50,
            satellite='Meteor-M-N1',
            frames_file=os.environ['HOME'] + '/MN1_hrpt_frames.hmf',
            baseband_file="/home/martin/GNURadioData/hrpt/baseband/HRPT_Meteor-M-N1_2011-02-27_09-30-46_UTC_U2_d50.sam",
            symb_rate=600 * 1109,
            clock_alpha=0.050,
            pll_alpha=0.05,
            deframer_outsync_frames=100,
            deframer_insync_frames=3,
            deframer_sync_check=False):
        grc_wxgui.top_block_gui.__init__(
            self, title="Meteor M-N1 HRPT Receiver from baseband file")
        _icon_path = "/home/martin/.local/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
        self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))

        ##################################################
        # Parameters
        ##################################################
        self.decim = decim
        self.satellite = satellite
        self.frames_file = frames_file
        self.baseband_file = baseband_file
        self.symb_rate = symb_rate
        self.clock_alpha = clock_alpha
        self.pll_alpha = pll_alpha
        self.deframer_outsync_frames = deframer_outsync_frames
        self.deframer_insync_frames = deframer_insync_frames
        self.deframer_sync_check = deframer_sync_check

        ##################################################
        # 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.v = v = True
        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.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

        ##################################################
        # Blocks
        ##################################################
        self.rx_ntb = 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)
        self.wxgui_scopesink2_0 = scopesink2.scope_sink_f(
            self.GetWin(),
            title="Scope Plot",
            sample_rate=samp_rate,
            v_scale=0,
            v_offset=0,
            t_scale=0,
            ac_couple=False,
            xy_mode=False,
            num_inputs=1,
            trig_mode=gr.gr_TRIG_MODE_AUTO,
            y_axis_label="Counts",
        )
        self.Add(self.wxgui_scopesink2_0.win)
        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._v_check_box = forms.check_box(
            parent=self.GetWin(),
            value=self.v,
            callback=self.set_v,
            label="Open",
            true=True,
            false=False,
        )
        self.Add(self._v_check_box)
        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)
        self.poesweather_meteor_cadu_deframer_0 = poesweather.meteor_cadu_deframer(
            deframer_sync_check, 256, deframer_insync_frames,
            deframer_outsync_frames)
        _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.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2 / 4.0,
                                    max_carrier_offset)
        self.gr_throttle_0 = gr.throttle(gr.sizeof_short * 1, samp_rate * 10)
        self.gr_multiply_const_vxx_0 = gr.multiply_const_vff((-1, ))
        self.gr_moving_average_xx_0 = gr.moving_average_ff(hs, 1.0 / hs, 4000)
        self.gr_file_source_0_0 = gr.file_source(
            gr.sizeof_short * 1,
            "/home/martin/hrpt/baseband/METEOR-M-1/2011/07/24/METEOR-M-1_2011-07-24T113448_U2d50.sam",
            False)
        self.gr_file_sink_0_0_0 = gr.file_sink(gr.sizeof_char * 1,
                                               "frames.mn1")
        self.gr_file_sink_0_0_0.set_unbuffered(False)
        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_binary_slicer_fb_0 = gr.binary_slicer_fb()
        self.gr_agc_xx_0_0 = gr.agc_cc(10e-6, 1, 1.0 / 32767.0, 1.0)
        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._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._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)
        self.cs2cf = gr.interleaved_short_to_complex()
        _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)

        ##################################################
        # Connections
        ##################################################
        self.connect((self.gr_throttle_0, 0), (self.cs2cf, 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.cs2cf, 0), (self.gr_agc_xx_0_0, 0))
        self.connect((self.gr_agc_xx_0_0, 0), (self.pll, 0))
        self.connect((self.cs2cf, 0), (self.wxgui_fftsink1, 0))
        self.connect((self.gr_multiply_const_vxx_0, 0),
                     (self.gr_binary_slicer_fb_0, 0))
        self.connect((self.gr_clock_recovery_mm_xx_0, 0),
                     (self.gr_multiply_const_vxx_0, 0))
        self.connect((self.poesweather_meteor_cadu_deframer_0, 0),
                     (self.gr_file_sink_0_0_0, 0))
        self.connect((self.gr_binary_slicer_fb_0, 0),
                     (self.poesweather_meteor_cadu_deframer_0, 0))
        self.connect((self.gr_file_source_0_0, 0), (self.gr_throttle_0, 0))
        self.connect((self.gr_clock_recovery_mm_xx_0, 0),
                     (self.wxgui_scopesink2_0, 0))