Example #1
0
 def __init__(self, parent, size=histo_window.DEFAULT_WIN_SIZE, title="", num_bins=11, frame_size=1000):
     # init
     gr.hier_block2.__init__(self, "histo_sink", gr.io_signature(1, 1, gr.sizeof_float), gr.io_signature(0, 0, 0))
     # blocks
     msgq = gr.msg_queue(2)
     histo = gr.histo_sink_f(msgq)
     histo.set_num_bins(num_bins)
     histo.set_frame_size(frame_size)
     # connect
     self.connect(self, histo)
     # controller
     self.controller = pubsub()
     self.controller.subscribe(NUM_BINS_KEY, histo.set_num_bins)
     self.controller.publish(NUM_BINS_KEY, histo.get_num_bins)
     self.controller.subscribe(FRAME_SIZE_KEY, histo.set_frame_size)
     self.controller.publish(FRAME_SIZE_KEY, histo.get_frame_size)
     # start input watcher
     common.input_watcher(msgq, self.controller, MSG_KEY, arg1_key=MINIMUM_KEY, arg2_key=MAXIMUM_KEY)
     # create window
     self.win = histo_window.histo_window(
         parent=parent,
         controller=self.controller,
         size=size,
         title=title,
         maximum_key=MAXIMUM_KEY,
         minimum_key=MINIMUM_KEY,
         num_bins_key=NUM_BINS_KEY,
         frame_size_key=FRAME_SIZE_KEY,
         msg_key=MSG_KEY,
     )
     common.register_access_methods(self, self.win)
Example #2
0
 def __init__(self, args=None):
     self.args = args
     if args:
         self.simulate = args.simulate
         self.time_dilution = args.time_dilution if self.simulate else 1
     else:
         self.simulate = False
         self.time_dilution = 1
     self.real_interval = constants.dispatch_interval / self.time_dilution \
                          if self.time_dilution>0 else 0
     self.my_class = "dispatcher"
     self.name = "single"
     self.tick_subs = pubsub()
     self.one_second_subs = pubsub()
     self.ten_second_subs = pubsub()
     self.stopping = False
     stop_server.listen(self._stop)
     dispatcher.the_dispatcher = self
Example #3
0
class stop_server(object) :

    my_pubsub = pubsub()

    @staticmethod
    def listen(fn, *args) :
        stop_server.my_pubsub.listen(fn, *args)

    @staticmethod
    def stop() :
        stop_server.my_pubsub.signal()
 def __init__(self) :
     self.last_message = 0
     self.lost_messages = 0
     self.bad_messages = 0
     self.good_messages = 0
     self.my_pubsub = pubsub()
     self.last_trigger = None
     self.my_class = "sensor_listener"
     self.prev_values = None
     sensor_listener.listeners[self.name] = self
     dispatcher.add_tick_client(self.tick)
Example #5
0
 def __init__(self, name, **args):
     self.name = name
     try:
         int(name)
     except ValueError:
         raise ValueError("sensor names must be numeric, not '%s'" %
                          (name, ))
     self.last_triggered = None
     self.my_pubsub = pubsub()
     self.my_class = "sensor"
     self.active = False
     self.owner = None
     self.last_triggered = 0
     sensor.sensors[name] = self
     dispatcher.add_tick_client(self.tick)
Example #6
0
 def __init__(
     self,
     parent,
     size=histo_window.DEFAULT_WIN_SIZE,
     title='',
     num_bins=11,
     frame_size=1000,
 ):
     #init
     gr.hier_block2.__init__(
         self,
         "histo_sink",
         gr.io_signature(1, 1, gr.sizeof_float),
         gr.io_signature(0, 0, 0),
     )
     #blocks
     msgq = gr.msg_queue(2)
     histo = wxgui.histo_sink_f(msgq)
     histo.set_num_bins(num_bins)
     histo.set_frame_size(frame_size)
     #controller
     self.controller = pubsub()
     self.controller.subscribe(NUM_BINS_KEY, histo.set_num_bins)
     self.controller.publish(NUM_BINS_KEY, histo.get_num_bins)
     self.controller.subscribe(FRAME_SIZE_KEY, histo.set_frame_size)
     self.controller.publish(FRAME_SIZE_KEY, histo.get_frame_size)
     #start input watcher
     common.input_watcher(msgq,
                          self.controller,
                          MSG_KEY,
                          arg1_key=MINIMUM_KEY,
                          arg2_key=MAXIMUM_KEY)
     #create window
     self.win = histo_window.histo_window(
         parent=parent,
         controller=self.controller,
         size=size,
         title=title,
         maximum_key=MAXIMUM_KEY,
         minimum_key=MINIMUM_KEY,
         num_bins_key=NUM_BINS_KEY,
         frame_size_key=FRAME_SIZE_KEY,
         msg_key=MSG_KEY,
     )
     common.register_access_methods(self, self.win)
     #connect
     self.wxgui_connect(self, histo)
Example #7
0
    def __init__(
            self,
            parent,
            title='',
            sample_rate=1,
            size=scope_window.DEFAULT_WIN_SIZE,
            v_scale=0,
            t_scale=0,
            v_offset=0,
            xy_mode=False,
            ac_couple=False,
            num_inputs=1,
            trig_mode=scope_window.DEFAULT_TRIG_MODE,
            y_axis_label='Counts',
            frame_rate=scope_window.DEFAULT_FRAME_RATE,
            use_persistence=False,
            persist_alpha=None,
            **kwargs  #do not end with a comma
    ):
        #ensure analog alpha
        if persist_alpha is None:
            actual_frame_rate = float(frame_rate)
            analog_cutoff_freq = 0.5  # Hertz
            #calculate alpha from wanted cutoff freq
            persist_alpha = 1.0 - math.exp(
                -2.0 * math.pi * analog_cutoff_freq / actual_frame_rate)

        if not t_scale: t_scale = 10.0 / sample_rate
        #init
        gr.hier_block2.__init__(
            self,
            "scope_sink",
            gr.io_signature(num_inputs, num_inputs, self._item_size),
            gr.io_signature(0, 0, 0),
        )
        #scope
        msgq = gr.msg_queue(2)
        scope = gr.oscope_sink_f(sample_rate, msgq)
        #controller
        self.controller = pubsub()
        self.controller.subscribe(SAMPLE_RATE_KEY, scope.set_sample_rate)
        self.controller.publish(SAMPLE_RATE_KEY, scope.sample_rate)
        self.controller.subscribe(DECIMATION_KEY, scope.set_decimation_count)
        self.controller.publish(DECIMATION_KEY, scope.get_decimation_count)
        self.controller.subscribe(TRIGGER_LEVEL_KEY, scope.set_trigger_level)
        self.controller.publish(TRIGGER_LEVEL_KEY, scope.get_trigger_level)
        self.controller.subscribe(TRIGGER_MODE_KEY, scope.set_trigger_mode)
        self.controller.publish(TRIGGER_MODE_KEY, scope.get_trigger_mode)
        self.controller.subscribe(TRIGGER_SLOPE_KEY, scope.set_trigger_slope)
        self.controller.publish(TRIGGER_SLOPE_KEY, scope.get_trigger_slope)
        self.controller.subscribe(TRIGGER_CHANNEL_KEY,
                                  scope.set_trigger_channel)
        self.controller.publish(TRIGGER_CHANNEL_KEY, scope.get_trigger_channel)
        actual_num_inputs = self._real and num_inputs or num_inputs * 2
        #init ac couple
        for i in range(actual_num_inputs):
            self.controller[common.index_key(AC_COUPLE_KEY, i)] = ac_couple

    #start input watcher
        common.input_watcher(msgq, self.controller, MSG_KEY)
        #create window
        self.win = scope_window.scope_window(
            parent=parent,
            controller=self.controller,
            size=size,
            title=title,
            frame_rate=frame_rate,
            num_inputs=actual_num_inputs,
            sample_rate_key=SAMPLE_RATE_KEY,
            t_scale=t_scale,
            v_scale=v_scale,
            v_offset=v_offset,
            xy_mode=xy_mode,
            trig_mode=trig_mode,
            y_axis_label=y_axis_label,
            ac_couple_key=AC_COUPLE_KEY,
            trigger_level_key=TRIGGER_LEVEL_KEY,
            trigger_mode_key=TRIGGER_MODE_KEY,
            trigger_slope_key=TRIGGER_SLOPE_KEY,
            trigger_channel_key=TRIGGER_CHANNEL_KEY,
            decimation_key=DECIMATION_KEY,
            msg_key=MSG_KEY,
            use_persistence=use_persistence,
            persist_alpha=persist_alpha,
        )
        common.register_access_methods(self, self.win)
        #connect
        if self._real:
            for i in range(num_inputs):
                self.wxgui_connect(
                    (self, i),
                    ac_couple_block(self.controller,
                                    common.index_key(AC_COUPLE_KEY, i),
                                    SAMPLE_RATE_KEY),
                    (scope, i),
                )
        else:
            for i in range(num_inputs):
                c2f = gr.complex_to_float()
                self.wxgui_connect((self, i), c2f)
                for j in range(2):
                    self.connect(
                        (c2f, j),
                        ac_couple_block(
                            self.controller,
                            common.index_key(AC_COUPLE_KEY, 2 * i + j),
                            SAMPLE_RATE_KEY),
                        (scope, 2 * i + j),
                    )
Example #8
0
    def __init__(
        self,
        parent,
        baseband_freq=0,
        ref_scale=2.0,
        y_per_div=10,
        y_divs=8,
        ref_level=50,
        sample_rate=1,
        fft_size=512,
        fft_rate=fft_window.DEFAULT_FRAME_RATE,
        average=False,
        avg_alpha=None,
        title="",
        size=fft_window.DEFAULT_WIN_SIZE,
        peak_hold=False,
        win=None,
        use_persistence=False,
        persist_alpha=None,
        **kwargs  # do not end with a comma
    ):
        # ensure avg alpha
        if avg_alpha is None:
            avg_alpha = 2.0 / fft_rate
        # ensure analog alpha
        if persist_alpha is None:
            actual_fft_rate = float(sample_rate / fft_size) / float(
                max(1, int(float((sample_rate / fft_size) / fft_rate)))
            )
            # print "requested_fft_rate ",fft_rate
            # print "actual_fft_rate    ",actual_fft_rate
            analog_cutoff_freq = 0.5  # Hertz
            # calculate alpha from wanted cutoff freq
            persist_alpha = 1.0 - math.exp(-2.0 * math.pi * analog_cutoff_freq / actual_fft_rate)

        # init
        gr.hier_block2.__init__(self, "fft_sink", gr.io_signature(1, 1, self._item_size), gr.io_signature(0, 0, 0))
        # blocks
        fft = self._fft_chain(
            sample_rate=sample_rate,
            fft_size=fft_size,
            frame_rate=fft_rate,
            ref_scale=ref_scale,
            avg_alpha=avg_alpha,
            average=average,
            win=win,
        )
        msgq = gr.msg_queue(2)
        sink = gr.message_sink(gr.sizeof_float * fft_size, msgq, True)

        # controller
        self.controller = pubsub()
        self.controller.subscribe(AVERAGE_KEY, fft.set_average)
        self.controller.publish(AVERAGE_KEY, fft.average)
        self.controller.subscribe(AVG_ALPHA_KEY, fft.set_avg_alpha)
        self.controller.publish(AVG_ALPHA_KEY, fft.avg_alpha)
        self.controller.subscribe(SAMPLE_RATE_KEY, fft.set_sample_rate)
        self.controller.publish(SAMPLE_RATE_KEY, fft.sample_rate)
        # start input watcher
        common.input_watcher(msgq, self.controller, MSG_KEY)
        # create window
        self.win = fft_window.fft_window(
            parent=parent,
            controller=self.controller,
            size=size,
            title=title,
            real=self._real,
            fft_size=fft_size,
            baseband_freq=baseband_freq,
            sample_rate_key=SAMPLE_RATE_KEY,
            y_per_div=y_per_div,
            y_divs=y_divs,
            ref_level=ref_level,
            average_key=AVERAGE_KEY,
            avg_alpha_key=AVG_ALPHA_KEY,
            peak_hold=peak_hold,
            msg_key=MSG_KEY,
            use_persistence=use_persistence,
            persist_alpha=persist_alpha,
        )
        common.register_access_methods(self, self.win)
        setattr(self.win, "set_baseband_freq", getattr(self, "set_baseband_freq"))  # BACKWARDS
        setattr(self.win, "set_peak_hold", getattr(self, "set_peak_hold"))  # BACKWARDS
        # connect
        self.wxgui_connect(self, fft, sink)
 def __init__(
         self,
         parent,
         baseband_freq=0,
         ref_level=50,
         sample_rate=1,
         fft_size=512,
         fft_rate=waterfall_window.DEFAULT_FRAME_RATE,
         average=False,
         avg_alpha=None,
         title='',
         size=waterfall_window.DEFAULT_WIN_SIZE,
         ref_scale=2.0,
         dynamic_range=80,
         num_lines=256,
         win=None,
         **kwargs  #do not end with a comma
 ):
     #ensure avg alpha
     if avg_alpha is None: avg_alpha = 2.0 / fft_rate
     #init
     gr.hier_block2.__init__(
         self,
         "waterfall_sink",
         gr.io_signature(1, 1, self._item_size),
         gr.io_signature(0, 0, 0),
     )
     #blocks
     fft = self._fft_chain(
         sample_rate=sample_rate,
         fft_size=fft_size,
         frame_rate=fft_rate,
         ref_scale=ref_scale,
         avg_alpha=avg_alpha,
         average=average,
         win=win,
     )
     msgq = gr.msg_queue(2)
     sink = blocks.message_sink(gr.sizeof_float * fft_size, msgq, True)
     #controller
     self.controller = pubsub()
     self.controller.subscribe(AVERAGE_KEY, fft.set_average)
     self.controller.publish(AVERAGE_KEY, fft.average)
     self.controller.subscribe(AVG_ALPHA_KEY, fft.set_avg_alpha)
     self.controller.publish(AVG_ALPHA_KEY, fft.avg_alpha)
     self.controller.subscribe(SAMPLE_RATE_KEY, fft.set_sample_rate)
     self.controller.publish(SAMPLE_RATE_KEY, fft.sample_rate)
     self.controller.subscribe(DECIMATION_KEY, fft.set_decimation)
     self.controller.publish(DECIMATION_KEY, fft.decimation)
     self.controller.subscribe(FRAME_RATE_KEY, fft.set_vec_rate)
     self.controller.publish(FRAME_RATE_KEY, fft.frame_rate)
     #start input watcher
     common.input_watcher(msgq, self.controller, MSG_KEY)
     #create window
     self.win = waterfall_window.waterfall_window(
         parent=parent,
         controller=self.controller,
         size=size,
         title=title,
         real=self._real,
         fft_size=fft_size,
         num_lines=num_lines,
         baseband_freq=baseband_freq,
         decimation_key=DECIMATION_KEY,
         sample_rate_key=SAMPLE_RATE_KEY,
         frame_rate_key=FRAME_RATE_KEY,
         dynamic_range=dynamic_range,
         ref_level=ref_level,
         average_key=AVERAGE_KEY,
         avg_alpha_key=AVG_ALPHA_KEY,
         msg_key=MSG_KEY,
     )
     common.register_access_methods(self, self.win)
     setattr(self.win, 'set_baseband_freq',
             getattr(self, 'set_baseband_freq'))  #BACKWARDS
     #connect
     self.wxgui_connect(self, fft, sink)
	def __init__(
		self,
		parent,
		baseband_freq=0,
		ref_scale=2.0,
		y_per_div=10,
		y_divs=8,
		ref_level=50,
		sample_rate=1,
		fft_size=512,
		fft_rate=fft_window.DEFAULT_FRAME_RATE,
		average=False,
		avg_alpha=None,
		title='',
		size=fft_window.DEFAULT_WIN_SIZE,
		peak_hold=False,
		win=None,
		**kwargs #do not end with a comma
	):
		#ensure avg alpha
		if avg_alpha is None: avg_alpha = 2.0/fft_rate
		#init
		gr.hier_block2.__init__(
			self,
			"fft_sink",
			gr.io_signature(1, 1, self._item_size),
			gr.io_signature(0, 0, 0),
		)
		#blocks
		fft = self._fft_chain(
			sample_rate=sample_rate,
			fft_size=fft_size,
			frame_rate=fft_rate,
			ref_scale=ref_scale,
			avg_alpha=avg_alpha,
			average=average,
			win=win,
		)
		msgq = gr.msg_queue(2)
		sink = gr.message_sink(gr.sizeof_float*fft_size, msgq, True)
		#controller
		self.controller = pubsub()
		self.controller.subscribe(AVERAGE_KEY, fft.set_average)
		self.controller.publish(AVERAGE_KEY, fft.average)
		self.controller.subscribe(AVG_ALPHA_KEY, fft.set_avg_alpha)
		self.controller.publish(AVG_ALPHA_KEY, fft.avg_alpha)
		self.controller.subscribe(SAMPLE_RATE_KEY, fft.set_sample_rate)
		self.controller.publish(SAMPLE_RATE_KEY, fft.sample_rate)
		#start input watcher
		common.input_watcher(msgq, self.controller, MSG_KEY)
		#create window
		self.win = fft_window.fft_window(
			parent=parent,
			controller=self.controller,
			size=size,
			title=title,
			real=self._real,
			fft_size=fft_size,
			baseband_freq=baseband_freq,
			sample_rate_key=SAMPLE_RATE_KEY,
			y_per_div=y_per_div,
			y_divs=y_divs,
			ref_level=ref_level,
			average_key=AVERAGE_KEY,
			avg_alpha_key=AVG_ALPHA_KEY,
			peak_hold=peak_hold,
			msg_key=MSG_KEY,
		)
		common.register_access_methods(self, self.win)
		setattr(self.win, 'set_baseband_freq', getattr(self, 'set_baseband_freq')) #BACKWARDS
		setattr(self.win, 'set_peak_hold', getattr(self, 'set_peak_hold')) #BACKWARDS
		#connect
		self.wxgui_connect(self, fft, sink)
Example #11
0
	def __init__(
		self,
		parent,
		baseband_freq=0,
		ref_scale=2.0,
		y_per_div=10,
		y_divs=8,
		ref_level=50,
		sample_rate=1,
		fft_size=512,
		fft_rate=fft_window.DEFAULT_FRAME_RATE,
		average=False,
		avg_alpha=None,
		title='',
		size=fft_window.DEFAULT_WIN_SIZE,
		peak_hold=False,
        analog_sig_source = None,
        blocks_throttle = None,
		win=None,
                use_persistence=False,
                persist_alpha=None,
		functionCallbackWhenHandleMessageSink = None,
		**kwargs
		 #do not end with a comma
	):

        
		if functionCallbackWhenHandleMessageSink is None:
			print 'function callback is null'	
			functionCallbackWhenHandleMessageSink = self.defaultHandleMessageCallback
		#ensure avg alpha
		if avg_alpha is None: avg_alpha = 2.0/fft_rate
                #ensure analog alpha
                if persist_alpha is None:
                  actual_fft_rate=float(sample_rate/fft_size)/float(max(1,int(float((sample_rate/fft_size)/fft_rate))))
                  #print "requested_fft_rate ",fft_rate
                  #print "actual_fft_rate    ",actual_fft_rate
                  analog_cutoff_freq=0.5 # Hertz
                  #calculate alpha from wanted cutoff freq
                  persist_alpha = 1.0 - math.exp(-2.0*math.pi*analog_cutoff_freq/actual_fft_rate)

		#init
		gr.hier_block2.__init__(
			self,
			"fft_sink",
			gr.io_signature(1, 1, self._item_size),
			gr.io_signature(0, 0, 0),
		)
		#blocks
		fft = self._fft_chain(
			sample_rate=sample_rate,
			fft_size=fft_size,
			frame_rate=fft_rate,
			ref_scale=ref_scale,
			avg_alpha=avg_alpha,
			average=average,
			win=win,
		)
		msgq = gr.msg_queue(2)
		sink = blocks.message_sink(gr.sizeof_float*fft_size, msgq, True)
                analog_sig_source_fromconstructor = analog_sig_source
                blocks_throttle_fromconstructor = blocks_throttle
            
		#controller
		self.controller = pubsub()
		self.controller.subscribe(AVERAGE_KEY, fft.set_average)
		self.controller.publish(AVERAGE_KEY, fft.average)
		self.controller.subscribe(AVG_ALPHA_KEY, fft.set_avg_alpha)
		self.controller.publish(AVG_ALPHA_KEY, fft.avg_alpha)
		self.controller.subscribe(SAMPLE_RATE_KEY, fft.set_sample_rate)
		self.controller.publish(SAMPLE_RATE_KEY, fft.sample_rate)
		#start input watcher
		common.input_watcher(msgq, self.controller, MSG_KEY)
		#create window
		self.win = fft_window.fft_window(
			parent=parent,
			controller=self.controller,
			size=size,
			title=title,
			real=self._real,
			fft_size=fft_size,
			baseband_freq=baseband_freq,
			sample_rate_key=SAMPLE_RATE_KEY,
			y_per_div=y_per_div,
			y_divs=y_divs,
			ref_level=ref_level,
			average_key=AVERAGE_KEY,
			avg_alpha_key=AVG_ALPHA_KEY,
			peak_hold=peak_hold,
			msg_key=MSG_KEY,
                        use_persistence=use_persistence,
                        persist_alpha=persist_alpha,
			functionCallbackWhenHandleMessage = functionCallbackWhenHandleMessageSink,
                        analog_sig_source = analog_sig_source_fromconstructor,
			blocks_throttle = blocks_throttle_fromconstructor	
		)
		common.register_access_methods(self, self.win)
		setattr(self.win, 'set_baseband_freq', getattr(self, 'set_baseband_freq')) #BACKWARDS
		setattr(self.win, 'set_peak_hold', getattr(self, 'set_peak_hold')) #BACKWARDS
		#connect
		self.wxgui_connect(self, fft, sink)
	def __init__(
		self,
		parent,
		baseband_freq=0,
		ref_scale=2.0,
		y_per_div=10,
		y_divs=8,
		ref_level=50,
		sample_rate=1,
		fft_size=512,
		fft_rate=fft_window.DEFAULT_FRAME_RATE,
		average=False,
		avg_alpha=None,
		title='',
		size=fft_window.DEFAULT_WIN_SIZE,
		peak_hold=False,
		win=None,
                use_persistence=False,
                persist_alpha=None,
		**kwargs #do not end with a comma
	):
		#ensure avg alpha
		if avg_alpha is None: avg_alpha = 2.0/fft_rate
                #ensure analog alpha
                if persist_alpha is None:
                  actual_fft_rate=float(sample_rate/fft_size)/float(max(1,int(float((sample_rate/fft_size)/fft_rate))))
                  #print "requested_fft_rate ",fft_rate
                  #print "actual_fft_rate    ",actual_fft_rate
                  analog_cutoff_freq=0.5 # Hertz
                  #calculate alpha from wanted cutoff freq
                  persist_alpha = 1.0 - math.exp(-2.0*math.pi*analog_cutoff_freq/actual_fft_rate)

		#init
		gr.hier_block2.__init__(
			self,
			"fft_sink",
			gr.io_signature(1, 1, self._item_size),
			gr.io_signature(0, 0, 0),
		)


       	        self.integrating = integrating = 0


		#blocks
		self.fft = self._fft_chain(
			sample_rate=sample_rate,
			fft_size=fft_size,
			frame_rate=fft_rate,
			ref_scale=ref_scale,
			avg_alpha=avg_alpha,
			average=average,
			win=win,
		)
		msgq = gr.msg_queue(2)
		sink = blocks.message_sink(gr.sizeof_float*fft_size, msgq, True)
		# For graphical display only
		self._log=self.fft.get_log()

		# For saving data (integration)
		int_filename="integration_data2.txt"

		self.vect2str= blocks.vector_to_stream(gr.sizeof_float*1, fft_size)
       	        self.integrate = blocks.integrate_ff(fft_size, 1)
        	self.file_sink_int= blocks.file_sink(gr.sizeof_float*1, int_filename, False)
		#controls data streaming
		#self.integrating=1 #if the valve is open (1) or closed (0). Open valve stops data
		#self._valve = grc_blks2.valve(item_size=gr.sizeof_float*1, open=bool(self.integrating))

      	     #   self.selec = grc_blks2.selector(
        	#item_size=gr.sizeof_float*1,
      #  	num_inputs=2,
       # 	num_outputs=2,
        #	input_index=integrating,
        #	output_index=integrating,
        #)
	
		#just for not leave ports disconnected
       	        #self.null_source = blocks.null_source(gr.sizeof_float*1)
       	        #self.null_sink = blocks.null_sink(gr.sizeof_float*1)	

		#controller
		self.controller = pubsub()
		self.controller.subscribe(AVERAGE_KEY, self.fft.set_average)
		self.controller.publish(AVERAGE_KEY, self.fft.average)
		self.controller.subscribe(AVG_ALPHA_KEY, self.fft.set_avg_alpha)
		self.controller.publish(AVG_ALPHA_KEY, self.fft.avg_alpha)
		self.controller.subscribe(SAMPLE_RATE_KEY, self.fft.set_sample_rate)
		self.controller.publish(SAMPLE_RATE_KEY, self.fft.sample_rate)
		#start input watcher
		common.input_watcher(msgq, self.controller, MSG_KEY)
		#create window
		self.win = fft_window.fft_window(
			parent=parent,
			controller=self.controller,
			size=size,
			title=title,
			real=self._real,
			fft_size=fft_size,
			baseband_freq=baseband_freq,
			sample_rate_key=SAMPLE_RATE_KEY,
			y_per_div=y_per_div,
			y_divs=y_divs,
			ref_level=ref_level,
			average_key=AVERAGE_KEY,
			avg_alpha_key=AVG_ALPHA_KEY,
			peak_hold=peak_hold,
			msg_key=MSG_KEY,
                        use_persistence=use_persistence,
                        persist_alpha=persist_alpha,
		)
		common.register_access_methods(self, self.win)
		setattr(self.win, 'set_baseband_freq', getattr(self, 'set_baseband_freq')) #BACKWARDS
		setattr(self.win, 'set_peak_hold', getattr(self, 'set_peak_hold')) #BACKWARDS
		#connect
		self.wxgui_connect(self,self.fft, self._log, sink)# GUI
		#Save data
		#self.connect(self.null_source,(self.selec,0))#selector is in ports 0 by default
		#self.connect((self.selec,0),self.null_sink)
		#self.connect(self.fft, self.vect2str, self.integrate, (self.selec,1)) #port 1 os select is to save data
                #self.connect((self.selec,1), self.file_sink_int)#SAVE DATA
		self.connect(self.fft, self.vect2str, self.integrate, self.file_sink_int) 
Example #13
0
	def __init__(
		self,
		parent,
		title='',
		sample_rate=1,
		size=const_window.DEFAULT_WIN_SIZE,
		frame_rate=const_window.DEFAULT_FRAME_RATE,
		const_size=const_window.DEFAULT_CONST_SIZE,
		#mpsk recv params
		M=4,
		theta=0,
		loop_bw=6.28/100.0,
		fmax=0.06,
		mu=0.5,
		gain_mu=0.005,
		symbol_rate=1,
		omega_limit=0.005,
	):
		#init
		gr.hier_block2.__init__(
			self,
			"const_sink",
			gr.io_signature(1, 1, gr.sizeof_gr_complex),
			gr.io_signature(0, 0, 0),
		)
		#blocks
		sd = blks2.stream_to_vector_decimator(
			item_size=gr.sizeof_gr_complex,
			sample_rate=sample_rate,
			vec_rate=frame_rate,
			vec_len=const_size,
		)
		fmin = -fmax
		gain_omega = .25*gain_mu**2 #redundant, will be updated
		omega = 1 #set_sample_rate will update this
		# Costas frequency/phase recovery loop
		# Critically damped 2nd order PLL
		self._costas = digital.costas_loop_cc(loop_bw, M)
		# Timing recovery loop
		# Critically damped 2nd order DLL
		self._retime = digital.clock_recovery_mm_cc(omega,
							    gain_omega,
							    mu, gain_mu,
							    omega_limit)
		#sync = gr.mpsk_receiver_cc(
		#	M, #psk order
		#	theta,
		#	alpha,
		#	beta,
		#	fmin,
		#	fmax,
		#	mu,
		#	gain_mu,
		#	omega,
		#	gain_omega,
		#	omega_limit,
		#)
		agc = gr.feedforward_agc_cc(16, 1)
		msgq = gr.msg_queue(2)
		sink = gr.message_sink(gr.sizeof_gr_complex*const_size, msgq, True)
		#controller
		def setter(p, k, x): p[k] = x
		self.controller = pubsub()
		self.controller.subscribe(LOOP_BW_KEY, self._costas.set_loop_bandwidth)
		self.controller.publish(LOOP_BW_KEY, self._costas.get_loop_bandwidth)
		self.controller.subscribe(GAIN_MU_KEY, self._retime.set_gain_mu)
		self.controller.publish(GAIN_MU_KEY, self._retime.gain_mu)
		self.controller.subscribe(OMEGA_KEY, self._retime.set_omega)
		self.controller.publish(OMEGA_KEY, self._retime.omega)
		self.controller.subscribe(GAIN_OMEGA_KEY, self._retime.set_gain_omega)
		self.controller.publish(GAIN_OMEGA_KEY, self._retime.gain_omega)
		self.controller.subscribe(SAMPLE_RATE_KEY, sd.set_sample_rate)
		self.controller.subscribe(SAMPLE_RATE_KEY, lambda x: setter(self.controller, OMEGA_KEY, float(x)/symbol_rate))
		self.controller.publish(SAMPLE_RATE_KEY, sd.sample_rate)
		#initial update
		self.controller[SAMPLE_RATE_KEY] = sample_rate
		#start input watcher
		common.input_watcher(msgq, self.controller, MSG_KEY)
		#create window
		self.win = const_window.const_window(
			parent=parent,
			controller=self.controller,
			size=size,
			title=title,
			msg_key=MSG_KEY,
			loop_bw_key=LOOP_BW_KEY,
			gain_mu_key=GAIN_MU_KEY,
			gain_omega_key=GAIN_OMEGA_KEY,
			omega_key=OMEGA_KEY,
			sample_rate_key=SAMPLE_RATE_KEY,
		)
		common.register_access_methods(self, self.win)
		#connect
		self.wxgui_connect(self, self._costas, self._retime, agc, sd, sink)
Example #14
0
    def __init__(
        self,
        parent,
        unit="units",
        minval=0,
        maxval=1,
        factor=1,
        decimal_places=3,
        ref_level=0,
        sample_rate=1,
        number_rate=number_window.DEFAULT_NUMBER_RATE,
        average=False,
        avg_alpha=None,
        label="Number Plot",
        size=number_window.DEFAULT_WIN_SIZE,
        peak_hold=False,
        show_gauge=True,
        **kwargs  # catchall for backwards compatibility
    ):
        # ensure avg alpha
        if avg_alpha is None:
            avg_alpha = 2.0 / number_rate
        # init
        gr.hier_block2.__init__(self, "number_sink", gr.io_signature(1, 1, self._item_size), gr.io_signature(0, 0, 0))
        # blocks
        sd = blks2.stream_to_vector_decimator(
            item_size=self._item_size, sample_rate=sample_rate, vec_rate=number_rate, vec_len=1
        )
        if self._real:
            mult = gr.multiply_const_ff(factor)
            add = gr.add_const_ff(ref_level)
            avg = gr.single_pole_iir_filter_ff(1.0)
        else:
            mult = gr.multiply_const_cc(factor)
            add = gr.add_const_cc(ref_level)
            avg = gr.single_pole_iir_filter_cc(1.0)
        msgq = gr.msg_queue(2)
        sink = gr.message_sink(self._item_size, msgq, True)
        # controller
        self.controller = pubsub()
        self.controller.subscribe(SAMPLE_RATE_KEY, sd.set_sample_rate)
        self.controller.publish(SAMPLE_RATE_KEY, sd.sample_rate)
        self.controller[AVERAGE_KEY] = average
        self.controller[AVG_ALPHA_KEY] = avg_alpha

        def update_avg(*args):
            if self.controller[AVERAGE_KEY]:
                avg.set_taps(self.controller[AVG_ALPHA_KEY])
            else:
                avg.set_taps(1.0)

        update_avg()
        self.controller.subscribe(AVERAGE_KEY, update_avg)
        self.controller.subscribe(AVG_ALPHA_KEY, update_avg)
        # start input watcher
        common.input_watcher(msgq, self.controller, MSG_KEY)
        # create window
        self.win = number_window.number_window(
            parent=parent,
            controller=self.controller,
            size=size,
            title=label,
            units=unit,
            real=self._real,
            minval=minval,
            maxval=maxval,
            decimal_places=decimal_places,
            show_gauge=show_gauge,
            average_key=AVERAGE_KEY,
            avg_alpha_key=AVG_ALPHA_KEY,
            peak_hold=peak_hold,
            msg_key=MSG_KEY,
            sample_rate_key=SAMPLE_RATE_KEY,
        )
        common.register_access_methods(self, self.controller)
        # backwards compadibility
        self.set_show_gauge = self.win.show_gauges
        # connect
        self.wxgui_connect(self, sd, mult, add, avg, sink)
Example #15
0
	def __init__(
		self,
		parent,
		title='',
		sample_rate=1,
		size=scope_window.DEFAULT_WIN_SIZE,
		v_scale=0,
		t_scale=0,
		xy_mode=False,
		ac_couple=False,
		num_inputs=1,
		frame_rate=scope_window.DEFAULT_FRAME_RATE,
		**kwargs #do not end with a comma
	):
		if not t_scale: t_scale = 10.0/sample_rate
		#init
		gr.hier_block2.__init__(
			self,
			"scope_sink",
			gr.io_signature(num_inputs, num_inputs, self._item_size),
			gr.io_signature(0, 0, 0),
		)
		#scope
		msgq = gr.msg_queue(2)
		scope = gr.oscope_sink_f(sample_rate, msgq)
		#controller
		self.controller = pubsub()
		self.controller.subscribe(SAMPLE_RATE_KEY, scope.set_sample_rate)
		self.controller.publish(SAMPLE_RATE_KEY, scope.sample_rate)
		self.controller.subscribe(DECIMATION_KEY, scope.set_decimation_count)
		self.controller.publish(DECIMATION_KEY, scope.get_decimation_count)
		self.controller.subscribe(TRIGGER_LEVEL_KEY, scope.set_trigger_level)
		self.controller.publish(TRIGGER_LEVEL_KEY, scope.get_trigger_level)
		self.controller.subscribe(TRIGGER_MODE_KEY, scope.set_trigger_mode)
		self.controller.publish(TRIGGER_MODE_KEY, scope.get_trigger_mode)
		self.controller.subscribe(TRIGGER_SLOPE_KEY, scope.set_trigger_slope)
		self.controller.publish(TRIGGER_SLOPE_KEY, scope.get_trigger_slope)
		self.controller.subscribe(TRIGGER_CHANNEL_KEY, scope.set_trigger_channel)
		self.controller.publish(TRIGGER_CHANNEL_KEY, scope.get_trigger_channel)
		#connect
		if self._real:
			for i in range(num_inputs):
				self.connect(
					(self, i),
					ac_couple_block(self.controller, common.index_key(AC_COUPLE_KEY, i), ac_couple, SAMPLE_RATE_KEY),
					(scope, i),
				)
		else:
			for i in range(num_inputs):
				c2f = gr.complex_to_float() 
				self.connect((self, i), c2f)
				for j in range(2):
					self.connect(
						(c2f, j), 
						ac_couple_block(self.controller, common.index_key(AC_COUPLE_KEY, 2*i+j), ac_couple, SAMPLE_RATE_KEY),
						(scope, 2*i+j),
					)
			num_inputs *= 2
		#start input watcher
		common.input_watcher(msgq, self.controller, MSG_KEY)
		#create window
		self.win = scope_window.scope_window(
			parent=parent,
			controller=self.controller,
			size=size,
			title=title,
			frame_rate=frame_rate,
			num_inputs=num_inputs,
			sample_rate_key=SAMPLE_RATE_KEY,
			t_scale=t_scale,
			v_scale=v_scale,
			xy_mode=xy_mode,
			ac_couple_key=AC_COUPLE_KEY,
			trigger_level_key=TRIGGER_LEVEL_KEY,
			trigger_mode_key=TRIGGER_MODE_KEY,
			trigger_slope_key=TRIGGER_SLOPE_KEY,
			trigger_channel_key=TRIGGER_CHANNEL_KEY,
			decimation_key=DECIMATION_KEY,
			msg_key=MSG_KEY,
		)
		common.register_access_methods(self, self.win)
Example #16
0
    def __init__(
            self,
            parent,
            unit='units',
            minval=0,
            maxval=1,
            factor=1,
            decimal_places=3,
            ref_level=0,
            sample_rate=1,
            number_rate=number_window.DEFAULT_NUMBER_RATE,
            average=False,
            avg_alpha=None,
            label='Number Plot',
            size=number_window.DEFAULT_WIN_SIZE,
            peak_hold=False,
            show_gauge=True,
            **kwargs  #catchall for backwards compatibility
    ):
        #ensure avg alpha
        if avg_alpha is None: avg_alpha = 2.0 / number_rate
        #init
        gr.hier_block2.__init__(
            self,
            "number_sink",
            gr.io_signature(1, 1, self._item_size),
            gr.io_signature(0, 0, 0),
        )
        #blocks
        sd = blocks.stream_to_vector_decimator(
            item_size=self._item_size,
            sample_rate=sample_rate,
            vec_rate=number_rate,
            vec_len=1,
        )
        if self._real:
            mult = blocks.multiply_const_ff(factor)
            add = blocks.add_const_ff(ref_level)
            avg = filter.single_pole_iir_filter_ff(1.0)
        else:
            mult = blocks.multiply_const_cc(factor)
            add = blocks.add_const_cc(ref_level)
            avg = filter.single_pole_iir_filter_cc(1.0)
        msgq = gr.msg_queue(2)
        sink = blocks.message_sink(self._item_size, msgq, True)
        #controller
        self.controller = pubsub()
        self.controller.subscribe(SAMPLE_RATE_KEY, sd.set_sample_rate)
        self.controller.publish(SAMPLE_RATE_KEY, sd.sample_rate)
        self.controller[AVERAGE_KEY] = average
        self.controller[AVG_ALPHA_KEY] = avg_alpha

        def update_avg(*args):
            if self.controller[AVERAGE_KEY]:
                avg.set_taps(self.controller[AVG_ALPHA_KEY])
            else:
                avg.set_taps(1.0)

        update_avg()
        self.controller.subscribe(AVERAGE_KEY, update_avg)
        self.controller.subscribe(AVG_ALPHA_KEY, update_avg)
        #start input watcher
        common.input_watcher(msgq, self.controller, MSG_KEY)
        #create window
        self.win = number_window.number_window(
            parent=parent,
            controller=self.controller,
            size=size,
            title=label,
            units=unit,
            real=self._real,
            minval=minval,
            maxval=maxval,
            decimal_places=decimal_places,
            show_gauge=show_gauge,
            average_key=AVERAGE_KEY,
            avg_alpha_key=AVG_ALPHA_KEY,
            peak_hold=peak_hold,
            msg_key=MSG_KEY,
            sample_rate_key=SAMPLE_RATE_KEY,
        )
        common.register_access_methods(self, self.controller)
        #backwards compadibility
        self.set_show_gauge = self.win.show_gauges
        #connect
        self.wxgui_connect(self, sd, mult, add, avg, sink)
Example #17
0
	def __init__(
		self,
		parent,
		baseband_freq=0,
		ref_level=50,
		sample_rate=1,
		fft_size=512,
		fft_rate=waterfall_window.DEFAULT_FRAME_RATE,
		average=False,
		avg_alpha=None,
		title='',
		size=waterfall_window.DEFAULT_WIN_SIZE,
		ref_scale=2.0,
		dynamic_range=80,
		num_lines=256,
		**kwargs #do not end with a comma
	):
		#ensure avg alpha
		if avg_alpha is None: avg_alpha = 2.0/fft_rate
		#init
		gr.hier_block2.__init__(
			self,
			"waterfall_sink",
			gr.io_signature(1, 1, self._item_size),
			gr.io_signature(0, 0, 0),
		)
		#blocks
		fft = self._fft_chain(
			sample_rate=sample_rate,
			fft_size=fft_size,
			frame_rate=fft_rate,
			ref_scale=ref_scale,
			avg_alpha=avg_alpha,
			average=average,
		)
		msgq = gr.msg_queue(2)
		sink = gr.message_sink(gr.sizeof_float*fft_size, msgq, True)
		#connect
		self.connect(self, fft, sink)
		#controller
		self.controller = pubsub()
		self.controller.subscribe(AVERAGE_KEY, fft.set_average)
		self.controller.publish(AVERAGE_KEY, fft.average)
		self.controller.subscribe(AVG_ALPHA_KEY, fft.set_avg_alpha)
		self.controller.publish(AVG_ALPHA_KEY, fft.avg_alpha)
		self.controller.subscribe(SAMPLE_RATE_KEY, fft.set_sample_rate)
		self.controller.publish(SAMPLE_RATE_KEY, fft.sample_rate)
		self.controller.subscribe(DECIMATION_KEY, fft.set_decimation)
		self.controller.publish(DECIMATION_KEY, fft.decimation)
		self.controller.subscribe(FRAME_RATE_KEY, fft.set_vec_rate)
		self.controller.publish(FRAME_RATE_KEY, fft.frame_rate)
		#start input watcher
		common.input_watcher(msgq, self.controller, MSG_KEY)
		#create window
		self.win = waterfall_window.waterfall_window(
			parent=parent,
			controller=self.controller,
			size=size,
			title=title,
			real=self._real,
			fft_size=fft_size,
			num_lines=num_lines,
			baseband_freq=baseband_freq,
			decimation_key=DECIMATION_KEY,
			sample_rate_key=SAMPLE_RATE_KEY,
			frame_rate_key=FRAME_RATE_KEY,
			dynamic_range=dynamic_range,
			ref_level=ref_level,
			average_key=AVERAGE_KEY,
			avg_alpha_key=AVG_ALPHA_KEY,
			msg_key=MSG_KEY,
		)
		common.register_access_methods(self, self.win)
		setattr(self.win, 'set_baseband_freq', getattr(self, 'set_baseband_freq')) #BACKWARDS
Example #18
0
	def __init__(
		self,
		parent,
		title='',
		sample_rate=1,
		size=scope_window.DEFAULT_WIN_SIZE,
		v_scale=0,
		t_scale=0,
		v_offset=0,
		xy_mode=False,
		ac_couple=False,
		num_inputs=1,
		trig_mode=scope_window.DEFAULT_TRIG_MODE,
		y_axis_label='Counts',
		frame_rate=scope_window.DEFAULT_FRAME_RATE,
                use_persistence=False,
                persist_alpha=None,
		**kwargs #do not end with a comma
	):
                #ensure analog alpha
                if persist_alpha is None:
                  actual_frame_rate=float(frame_rate)
                  analog_cutoff_freq=0.5 # Hertz
                  #calculate alpha from wanted cutoff freq
                  persist_alpha = 1.0 - math.exp(-2.0*math.pi*analog_cutoff_freq/actual_frame_rate)

		if not t_scale: t_scale = 10.0/sample_rate
		#init
		gr.hier_block2.__init__(
			self,
			"scope_sink",
			gr.io_signature(num_inputs, num_inputs, self._item_size),
			gr.io_signature(0, 0, 0),
		)
		#scope
		msgq = gr.msg_queue(2)
		scope = gr.oscope_sink_f(sample_rate, msgq)
		#controller
		self.controller = pubsub()
		self.controller.subscribe(SAMPLE_RATE_KEY, scope.set_sample_rate)
		self.controller.publish(SAMPLE_RATE_KEY, scope.sample_rate)
		self.controller.subscribe(DECIMATION_KEY, scope.set_decimation_count)
		self.controller.publish(DECIMATION_KEY, scope.get_decimation_count)
		self.controller.subscribe(TRIGGER_LEVEL_KEY, scope.set_trigger_level)
		self.controller.publish(TRIGGER_LEVEL_KEY, scope.get_trigger_level)
		self.controller.subscribe(TRIGGER_MODE_KEY, scope.set_trigger_mode)
		self.controller.publish(TRIGGER_MODE_KEY, scope.get_trigger_mode)
		self.controller.subscribe(TRIGGER_SLOPE_KEY, scope.set_trigger_slope)
		self.controller.publish(TRIGGER_SLOPE_KEY, scope.get_trigger_slope)
		self.controller.subscribe(TRIGGER_CHANNEL_KEY, scope.set_trigger_channel)
		self.controller.publish(TRIGGER_CHANNEL_KEY, scope.get_trigger_channel)
		actual_num_inputs = self._real and num_inputs or num_inputs*2
		#init ac couple
		for i in range(actual_num_inputs):
			self.controller[common.index_key(AC_COUPLE_KEY, i)] = ac_couple
		#start input watcher
		common.input_watcher(msgq, self.controller, MSG_KEY)
		#create window
		self.win = scope_window.scope_window(
			parent=parent,
			controller=self.controller,
			size=size,
			title=title,
			frame_rate=frame_rate,
			num_inputs=actual_num_inputs,
			sample_rate_key=SAMPLE_RATE_KEY,
			t_scale=t_scale,
			v_scale=v_scale,
			v_offset=v_offset,
			xy_mode=xy_mode,
			trig_mode=trig_mode,
			y_axis_label=y_axis_label,
			ac_couple_key=AC_COUPLE_KEY,
			trigger_level_key=TRIGGER_LEVEL_KEY,
			trigger_mode_key=TRIGGER_MODE_KEY,
			trigger_slope_key=TRIGGER_SLOPE_KEY,
			trigger_channel_key=TRIGGER_CHANNEL_KEY,
			decimation_key=DECIMATION_KEY,
			msg_key=MSG_KEY,
                        use_persistence=use_persistence,
                        persist_alpha=persist_alpha,
		)
		common.register_access_methods(self, self.win)
		#connect
		if self._real:
			for i in range(num_inputs):
				self.wxgui_connect(
					(self, i),
					ac_couple_block(self.controller, common.index_key(AC_COUPLE_KEY, i), SAMPLE_RATE_KEY),
					(scope, i),
				)
		else:
			for i in range(num_inputs):
				c2f = gr.complex_to_float()
				self.wxgui_connect((self, i), c2f)
				for j in range(2):
					self.connect(
						(c2f, j),
						ac_couple_block(self.controller, common.index_key(AC_COUPLE_KEY, 2*i+j), SAMPLE_RATE_KEY),
						(scope, 2*i+j),
					)
Example #19
0
    def __init__(
        self,
        parent,
        title='',
        sample_rate=1,
        size=const_window.DEFAULT_WIN_SIZE,
        frame_rate=const_window.DEFAULT_FRAME_RATE,
        const_size=const_window.DEFAULT_CONST_SIZE,
        #mpsk recv params
        M=4,
        theta=0,
        alpha=0.005,
        fmax=0.06,
        mu=0.5,
        gain_mu=0.005,
        symbol_rate=1,
        omega_limit=0.005,
    ):
        #init
        gr.hier_block2.__init__(
            self,
            "const_sink",
            gr.io_signature(1, 1, gr.sizeof_gr_complex),
            gr.io_signature(0, 0, 0),
        )
        #blocks
        sd = blks2.stream_to_vector_decimator(
            item_size=gr.sizeof_gr_complex,
            sample_rate=sample_rate,
            vec_rate=frame_rate,
            vec_len=const_size,
        )
        beta = .25 * alpha**2  #redundant, will be updated
        fmin = -fmax
        gain_omega = .25 * gain_mu**2  #redundant, will be updated
        omega = 1  #set_sample_rate will update this
        # Costas frequency/phase recovery loop
        # Critically damped 2nd order PLL
        self._costas = gr.costas_loop_cc(alpha, beta, fmax, fmin, M)
        # Timing recovery loop
        # Critically damped 2nd order DLL
        self._retime = gr.clock_recovery_mm_cc(omega, gain_omega, mu, gain_mu,
                                               omega_limit)
        #sync = gr.mpsk_receiver_cc(
        #	M, #psk order
        #	theta,
        #	alpha,
        #	beta,
        #	fmin,
        #	fmax,
        #	mu,
        #	gain_mu,
        #	omega,
        #	gain_omega,
        #	omega_limit,
        #)
        agc = gr.feedforward_agc_cc(16, 1)
        msgq = gr.msg_queue(2)
        sink = gr.message_sink(gr.sizeof_gr_complex * const_size, msgq, True)

        #controller
        def setter(p, k, x):
            p[k] = x

        self.controller = pubsub()
        self.controller.subscribe(ALPHA_KEY, self._costas.set_alpha)
        self.controller.publish(ALPHA_KEY, self._costas.alpha)
        self.controller.subscribe(BETA_KEY, self._costas.set_beta)
        self.controller.publish(BETA_KEY, self._costas.beta)
        self.controller.subscribe(GAIN_MU_KEY, self._retime.set_gain_mu)
        self.controller.publish(GAIN_MU_KEY, self._retime.gain_mu)
        self.controller.subscribe(OMEGA_KEY, self._retime.set_omega)
        self.controller.publish(OMEGA_KEY, self._retime.omega)
        self.controller.subscribe(GAIN_OMEGA_KEY, self._retime.set_gain_omega)
        self.controller.publish(GAIN_OMEGA_KEY, self._retime.gain_omega)
        self.controller.subscribe(SAMPLE_RATE_KEY, sd.set_sample_rate)
        self.controller.subscribe(
            SAMPLE_RATE_KEY, lambda x: setter(self.controller, OMEGA_KEY,
                                              float(x) / symbol_rate))
        self.controller.publish(SAMPLE_RATE_KEY, sd.sample_rate)
        #initial update
        self.controller[SAMPLE_RATE_KEY] = sample_rate
        #start input watcher
        common.input_watcher(msgq, self.controller, MSG_KEY)
        #create window
        self.win = const_window.const_window(
            parent=parent,
            controller=self.controller,
            size=size,
            title=title,
            msg_key=MSG_KEY,
            alpha_key=ALPHA_KEY,
            beta_key=BETA_KEY,
            gain_mu_key=GAIN_MU_KEY,
            gain_omega_key=GAIN_OMEGA_KEY,
            omega_key=OMEGA_KEY,
            sample_rate_key=SAMPLE_RATE_KEY,
        )
        common.register_access_methods(self, self.win)
        #connect
        self.wxgui_connect(self, self._costas, self._retime, agc, sd, sink)