def __init__(self, filename="usrp.dat", output="frames.dat", decim=16, pll_alpha=0.05, sync_alpha=0.05): gr.top_block.__init__(self, "USRP HRPT Receiver") ################################################## # Parameters ################################################## self.filename = filename self.output = output self.decim = decim self.pll_alpha = pll_alpha self.sync_alpha = sync_alpha ################################################## # Variables ################################################## self.sym_rate = sym_rate = 600*1109 self.sample_rate = sample_rate = 64e6/decim self.sps = sps = sample_rate/sym_rate self.hs = hs = int(sps/2.0) self.mf_taps = mf_taps = [-0.5/hs,]*hs+[0.5/hs,]*hs self.max_sync_offset = max_sync_offset = 0.01 self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/sample_rate ################################################## # Blocks ################################################## self.decoder = noaa.hrpt_decoder() self.deframer = noaa.hrpt_deframer() self.deinterleave = gr.deinterleave(gr.sizeof_float*1) self.f2c = gr.float_to_complex(1) self.file_sink = gr.file_sink(gr.sizeof_short*1, output) self.file_source = gr.file_source(gr.sizeof_short*1, filename, False) self.gr_fir_filter_xxx_0 = gr.fir_filter_ccc(1, (mf_taps)) self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset) self.s2f = gr.short_to_float() self.sync = noaa.hrpt_sync_fb(sync_alpha, sync_alpha**2/4.0, sps, max_sync_offset) ################################################## # Connections ################################################## self.connect((self.deframer, 0), (self.file_sink, 0)) self.connect((self.sync, 0), (self.deframer, 0)) self.connect((self.pll, 0), (self.sync, 0)) self.connect((self.deinterleave, 1), (self.f2c, 1)) self.connect((self.deinterleave, 0), (self.f2c, 0)) self.connect((self.deframer, 0), (self.decoder, 0)) self.connect((self.gr_fir_filter_xxx_0, 0), (self.pll, 0)) self.connect((self.f2c, 0), (self.gr_fir_filter_xxx_0, 0)) self.connect((self.s2f, 0), (self.deinterleave, 0)) self.connect((self.file_source, 0), (self.s2f, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="USRP HRPT Receiver") ################################################## # Variables ################################################## self.config_filename = config_filename = 'usrp_rx_hrpt.cfg' self._decim_config = ConfigParser.ConfigParser() self._decim_config.read(config_filename) try: decim = self._decim_config.getfloat('usrp', 'decim') except: decim = 16 self.decim = decim self.sym_rate = sym_rate = 600*1109 self.sample_rate = sample_rate = 64e6/decim self.sps = sps = sample_rate/sym_rate self._side_config = ConfigParser.ConfigParser() self._side_config.read(config_filename) try: side = self._side_config.get('usrp', 'side') except: side = 'A' self.side = side self._saved_sync_alpha_config = ConfigParser.ConfigParser() self._saved_sync_alpha_config.read(config_filename) try: saved_sync_alpha = self._saved_sync_alpha_config.getfloat('demod', 'sync_alpha') except: saved_sync_alpha = 0.05 self.saved_sync_alpha = saved_sync_alpha self._saved_pll_alpha_config = ConfigParser.ConfigParser() self._saved_pll_alpha_config.read(config_filename) try: saved_pll_alpha = self._saved_pll_alpha_config.getfloat('demod', 'pll_alpha') except: saved_pll_alpha = 0.05 self.saved_pll_alpha = saved_pll_alpha self._saved_gain_config = ConfigParser.ConfigParser() self._saved_gain_config.read(config_filename) try: saved_gain = self._saved_gain_config.getfloat('usrp', 'gain') except: saved_gain = 35 self.saved_gain = saved_gain self._saved_freq_config = ConfigParser.ConfigParser() self._saved_freq_config.read(config_filename) try: saved_freq = self._saved_freq_config.getfloat('usrp', 'freq') except: saved_freq = 1698e6 self.saved_freq = saved_freq self.hs = hs = int(sps/2.0) self.sync_alpha = sync_alpha = saved_sync_alpha self.side_text = side_text = side self.pll_alpha = pll_alpha = saved_pll_alpha self._output_filename_config = ConfigParser.ConfigParser() self._output_filename_config.read(config_filename) try: output_filename = self._output_filename_config.get('output', 'filename') except: output_filename = 'frames.dat' self.output_filename = output_filename self.mf_taps = mf_taps = [-0.5/hs,]*hs+[0.5/hs,]*hs self.max_sync_offset = max_sync_offset = 0.01 self.max_carrier_offset = max_carrier_offset = 2*math.pi*100e3/sample_rate self.gain = gain = saved_gain self.freq = freq = saved_freq self.decim_text = decim_text = decim ################################################## # Controls ################################################## _sync_alpha_sizer = wx.BoxSizer(wx.VERTICAL) self._sync_alpha_text_box = forms.text_box( parent=self.GetWin(), sizer=_sync_alpha_sizer, value=self.sync_alpha, callback=self.set_sync_alpha, label="SYNC Alpha", converter=forms.float_converter(), proportion=0, ) self._sync_alpha_slider = forms.slider( parent=self.GetWin(), sizer=_sync_alpha_sizer, value=self.sync_alpha, callback=self.set_sync_alpha, minimum=0.0, maximum=0.5, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_sync_alpha_sizer, 0, 3, 1, 1) self._side_text_static_text = forms.static_text( parent=self.GetWin(), value=self.side_text, callback=self.set_side_text, label="USRP Side", converter=forms.str_converter(), ) self.GridAdd(self._side_text_static_text, 1, 0, 1, 1) _pll_alpha_sizer = wx.BoxSizer(wx.VERTICAL) self._pll_alpha_text_box = forms.text_box( parent=self.GetWin(), sizer=_pll_alpha_sizer, value=self.pll_alpha, callback=self.set_pll_alpha, label="PLL Alpha", converter=forms.float_converter(), proportion=0, ) self._pll_alpha_slider = forms.slider( parent=self.GetWin(), sizer=_pll_alpha_sizer, value=self.pll_alpha, callback=self.set_pll_alpha, minimum=0.0, maximum=0.5, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_pll_alpha_sizer, 0, 2, 1, 1) _gain_sizer = wx.BoxSizer(wx.VERTICAL) self._gain_text_box = forms.text_box( parent=self.GetWin(), sizer=_gain_sizer, value=self.gain, callback=self.set_gain, label="RX Gain", converter=forms.float_converter(), proportion=0, ) self._gain_slider = forms.slider( parent=self.GetWin(), sizer=_gain_sizer, value=self.gain, callback=self.set_gain, minimum=0, maximum=100, num_steps=100, style=wx.SL_HORIZONTAL, cast=float, proportion=1, ) self.GridAdd(_gain_sizer, 0, 1, 1, 1) self._freq_text_box = forms.text_box( parent=self.GetWin(), value=self.freq, callback=self.set_freq, label="Frequency", converter=forms.float_converter(), ) self.GridAdd(self._freq_text_box, 0, 0, 1, 1) self._decim_text_static_text = forms.static_text( parent=self.GetWin(), value=self.decim_text, callback=self.set_decim_text, label="Decimation", converter=forms.float_converter(), ) self.GridAdd(self._decim_text_static_text, 1, 1, 1, 1) ################################################## # Blocks ################################################## self.agc = gr.agc_cc(1e-6, 1.0, 1.0, 1.0) self.decoder = noaa.hrpt_decoder() self.deframer = noaa.hrpt_deframer() self.frame_sink = gr.file_sink(gr.sizeof_short*1, output_filename) self.gr_fir_filter_xxx_0 = gr.fir_filter_ccc(1, (mf_taps)) self.pll = noaa.hrpt_pll_cf(pll_alpha, pll_alpha**2/4.0, max_carrier_offset) self.pll_scope = scopesink2.scope_sink_f( self.GetWin(), title="Demod Waveform", sample_rate=sample_rate, v_scale=0.5, t_scale=20.0/sample_rate, ac_couple=False, xy_mode=False, num_inputs=1, ) self.GridAdd(self.pll_scope.win, 2, 0, 1, 4) self.sync = noaa.hrpt_sync_fb(sync_alpha, sync_alpha**2/4.0, sps, max_sync_offset) self.usrp_source = grc_usrp.simple_source_c(which=0, side=side, rx_ant="RXA") self.usrp_source.set_decim_rate(decim) self.usrp_source.set_frequency(freq, verbose=True) self.usrp_source.set_gain(gain) ################################################## # Connections ################################################## self.connect((self.gr_fir_filter_xxx_0, 0), (self.pll, 0)) self.connect((self.agc, 0), (self.gr_fir_filter_xxx_0, 0)) self.connect((self.usrp_source, 0), (self.agc, 0)) self.connect((self.deframer, 0), (self.decoder, 0)) self.connect((self.pll, 0), (self.pll_scope, 0)) self.connect((self.pll, 0), (self.sync, 0)) self.connect((self.sync, 0), (self.deframer, 0)) self.connect((self.deframer, 0), (self.frame_sink, 0))
def __init__(self): grc_wxgui.top_block_gui.__init__(self, title="USRP HRPT Receiver") ################################################## # Variables ################################################## self.config_filename = config_filename = "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): 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))