git.gag.com Git - debian/gnuradio/blob - gr-wxgui/src/python/numbersink.py

   1 #!/usr/bin/env python
   2 #
   3 # Copyright 2003,2004,2005,2006,2007 Free Software Foundation, Inc.
   4 #
   5 # This file is part of GNU Radio
   6 #
   7 # GNU Radio is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3, or (at your option)
  10 # any later version.
  11 #
  12 # GNU Radio is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with GNU Radio; see the file COPYING.  If not, write to
  19 # the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  20 # Boston, MA 02111-1307, USA.
  21 #
  22
  23 from gnuradio import gr, gru, window
  24 from gnuradio.wxgui import stdgui
  25 import wx
  26 #from wx import StaticText
  27 import gnuradio.wxgui.plot as plot
  28 import numpy
  29 import threading
  30 import math
  31
  32 default_numbersink_size = (640,240)
  33 default_number_rate = gr.prefs().get_long('wxgui', 'number_rate', 15)
  34
  35 class number_sink_base(object):
  36     def __init__(self, input_is_real=False, unit='',base_value=0, minval=-100.0,maxval=100.0,factor=1.0,decimal_places=10, ref_level=50,
  37                  sample_rate=1,
  38                  number_rate=default_number_rate,
  39                  average=False, avg_alpha=None, label='', peak_hold=False):
  40
  41         # initialize common attributes
  42         self.unit=unit
  43         self.base_value = base_value
  44         self.minval=minval
  45         self.maxval=maxval
  46         self.factor=factor
  47         self.y_divs = 8
  48         self.decimal_places=decimal_places
  49         self.ref_level = ref_level
  50         self.sample_rate = sample_rate
  51         number_size=1
  52         self.number_size = number_size
  53         self.number_rate = number_rate
  54         self.average = average
  55         if avg_alpha is None:
  56             self.avg_alpha = 2.0 / number_rate
  57         else:
  58             self.avg_alpha = avg_alpha
  59         self.label = label
  60         self.peak_hold = peak_hold
  61         self.show_gauge = True
  62         self.input_is_real = input_is_real
  63         self.msgq = gr.msg_queue(2)         # queue that holds a maximum of 2 messages
  64
  65     def set_decimal_places(self, decimal_places):
  66         self.decimal_places = decimal_places
  67
  68     def set_ref_level(self, ref_level):
  69         self.ref_level = ref_level
  70
  71     def print_current_value(self, comment):
  72         print comment,self.win.current_value
  73
  74     def set_average(self, average):
  75         self.average = average
  76         if average:
  77             self.avg.set_taps(self.avg_alpha)
  78             self.set_peak_hold(False)
  79         else:
  80             self.avg.set_taps(1.0)
  81
  82     def set_peak_hold(self, enable):
  83         self.peak_hold = enable
  84         if enable:
  85             self.set_average(False)
  86         self.win.set_peak_hold(enable)
  87
  88     def set_show_gauge(self, enable):
  89         self.show_gauge = enable
  90         self.win.set_show_gauge(enable)
  91
  92     def set_avg_alpha(self, avg_alpha):
  93         self.avg_alpha = avg_alpha
  94
  95     def set_base_value(self, base_value):
  96         self.base_value = base_value
  97
  98
  99 class number_sink_f(gr.hier_block, number_sink_base):
 100     def __init__(self, fg, parent, unit='',base_value=0,minval=-100.0,maxval=100.0,factor=1.0,
 101                  decimal_places=10, ref_level=50, sample_rate=1, #number_size=512,
 102                  number_rate=default_number_rate, average=False, avg_alpha=None,
 103                  label='', size=default_numbersink_size, peak_hold=False):
 104
 105         number_sink_base.__init__(self, unit=unit, input_is_real=True, base_value=base_value,
 106                                minval=minval,maxval=maxval,factor=factor,
 107                                decimal_places=decimal_places, ref_level=ref_level,
 108                                sample_rate=sample_rate, #number_size=number_size,
 109                                number_rate=number_rate,
 110                                average=average, avg_alpha=avg_alpha, label=label,
 111                                peak_hold=peak_hold)
 112
 113         number_size=1
 114         #s2p = gr.stream_to_vector(gr.sizeof_float, number_size)
 115         one_in_n = gr.keep_one_in_n(gr.sizeof_float,
 116                                     max(1, int(sample_rate/number_rate)))
 117
 118
 119         #c2mag = gr.complex_to_mag(number_size)
 120         self.avg = gr.single_pole_iir_filter_ff(1.0, number_size)
 121
 122         # FIXME  We need to add 3dB to all bins but the DC bin
 123         #log = gr.nlog10_ff(20, number_size,
 124         #                   -20*math.log10(number_size)-10*math.log10(power/number_size))
 125         sink = gr.message_sink(gr.sizeof_float , self.msgq, True)
 126
 127         #fg.connect (s2p, one_in_n, fft, c2mag, self.avg, log, sink)
 128         fg.connect(self.avg,one_in_n,sink)
 129         gr.hier_block.__init__(self, fg, self.avg, sink)
 130         self.win = number_window(self, parent, size=size,label=label)
 131         self.set_average(self.average)
 132
 133
 134 class number_sink_c(gr.hier_block, number_sink_base):
 135     def __init__(self, fg, parent, unit='',base_value=0,minval=-100.0,maxval=100.0,factor=1.0,
 136                  decimal_places=10, ref_level=50, sample_rate=1, #number_size=512,
 137                  number_rate=default_number_rate, average=False, avg_alpha=None,
 138                  label='', size=default_numbersink_size, peak_hold=False):
 139
 140         number_sink_base.__init__(self, unit=unit, input_is_real=False, base_value=base_value,factor=factor,
 141                                minval=minval,maxval=maxval,decimal_places=decimal_places, ref_level=ref_level,
 142                                sample_rate=sample_rate, #number_size=number_size,
 143                                number_rate=number_rate,
 144                                average=average, avg_alpha=avg_alpha, label=label,
 145                                peak_hold=peak_hold)
 146
 147         number_size=1
 148         one_in_n = gr.keep_one_in_n(gr.sizeof_gr_complex,
 149                                     max(1, int(sample_rate/number_rate)))
 150
 151
 152         #c2mag = gr.complex_to_mag(number_size)
 153         self.avg = gr.single_pole_iir_filter_cc(1.0, number_size)
 154
 155         # FIXME  We need to add 3dB to all bins but the DC bin
 156         #log = gr.nlog10_ff(20, number_size,
 157         #                   -20*math.log10(number_size)-10*math.log10(power/number_size))
 158         sink = gr.message_sink(gr.sizeof_gr_complex , self.msgq, True)
 159
 160         #fg.connect (s2p, one_in_n, fft, c2mag, self.avg, log, sink)
 161         fg.connect(self.avg,one_in_n,sink)
 162         gr.hier_block.__init__(self, fg, self.avg, sink)
 163         self.win = number_window(self, parent, size=size,label=label)
 164         self.set_average(self.average)
 165
 166
 167 # ------------------------------------------------------------------------
 168
 169 myDATA_EVENT = wx.NewEventType()
 170 EVT_DATA_EVENT = wx.PyEventBinder (myDATA_EVENT, 0)
 171
 172
 173 class DataEvent(wx.PyEvent):
 174     def __init__(self, data):
 175         wx.PyEvent.__init__(self)
 176         self.SetEventType (myDATA_EVENT)
 177         self.data = data
 178
 179     def Clone (self):
 180         self.__class__ (self.GetId())
 181
 182
 183 class input_watcher (threading.Thread):
 184     def __init__ (self, msgq, number_size, event_receiver, **kwds):
 185         threading.Thread.__init__ (self, **kwds)
 186         self.setDaemon (1)
 187         self.msgq = msgq
 188         self.number_size = number_size
 189         self.event_receiver = event_receiver
 190         self.keep_running = True
 191         self.start ()
 192
 193     def run (self):
 194         while (self.keep_running):
 195             msg = self.msgq.delete_head()  # blocking read of message queue
 196             itemsize = int(msg.arg1())
 197             nitems = int(msg.arg2())
 198
 199             s = msg.to_string()            # get the body of the msg as a string
 200
 201             # There may be more than one number in the message.
 202             # If so, we take only the last one
 203             if nitems > 1:
 204                 start = itemsize * (nitems - 1)
 205                 s = s[start:start+itemsize]
 206
 207             complex_data = numpy.fromstring (s, numpy.float32)
 208             de = DataEvent (complex_data)
 209             wx.PostEvent (self.event_receiver, de)
 210             del de
 211
 212 #========================================================================================
 213 class static_text_window (wx.StaticText): #plot.PlotCanvas):
 214     def __init__ (self, parent, numbersink,id = -1,label="number",
 215                   pos = wx.DefaultPosition, size = wx.DefaultSize,
 216                   style = wx.DEFAULT_FRAME_STYLE, name = ""):
 217         #plot.PlotCanvas.__init__ (self, parent, id, pos, size, style, name)
 218         wx.StaticText.__init__(self, parent, id, label, pos, size, style, name)
 219         #self.static_text=wx.StaticText( parent, id, label, pos, (size[0]/2,size[1]/2), style, name)
 220         #gauge_style = wx.GA_HORIZONTAL
 221         #self.gauge=wx.Gauge( parent, id, range=1000, pos=(pos[0],pos[1]+size[1]/2),size=(size[0]/2,size[1]/2), style=gauge_style,  name = "gauge")
 222         #wx.BoxSizer.__init__ (self,wx.VERTICAL)
 223         #self.Add (self.static_text, 0, wx.EXPAND)
 224         #self.Add (self.gauge, 1, wx.EXPAND)
 225         self.parent=parent
 226         self.label=label
 227         #self.y_range = None
 228         self.numbersink = numbersink
 229         self.peak_hold = False
 230         self.peak_vals = None
 231
 232         #self.SetEnableGrid (True)
 233         # self.SetEnableZoom (True)
 234         # self.SetBackgroundColour ('black')
 235
 236         self.build_popup_menu()
 237
 238         #EVT_DATA_EVENT (self, self.set_data)
 239         #wx.EVT_CLOSE (self, self.on_close_window)
 240         #self.Bind(wx.EVT_RIGHT_UP, self.on_right_click)
 241         self.Bind(wx.EVT_RIGHT_UP, self.on_right_click)
 242
 243         #self.input_watcher = input_watcher(numbersink.msgq, numbersink.number_size, self)
 244
 245
 246     def on_close_window (self, event):
 247         print "number_window:on_close_window"
 248         self.keep_running = False
 249
 250
 251     def set_peak_hold(self, enable):
 252         self.peak_hold = enable
 253         self.peak_vals = None
 254
 255     def update_y_range (self):
 256         ymax = self.numbersink.ref_level
 257         ymin = self.numbersink.ref_level - self.numbersink.decimal_places * self.numbersink.y_divs
 258         self.y_range = self._axisInterval ('min', ymin, ymax)
 259
 260     def on_average(self, evt):
 261         # print "on_average"
 262         self.numbersink.set_average(evt.IsChecked())
 263
 264     def on_peak_hold(self, evt):
 265         # print "on_peak_hold"
 266         self.numbersink.set_peak_hold(evt.IsChecked())
 267
 268     def on_show_gauge(self, evt):
 269         # print "on_show_gauge"
 270         #if evt.IsChecked():
 271         self.numbersink.set_show_gauge(evt.IsChecked())
 272         print evt.IsChecked()
 273         #  print "show gauge"
 274         #else:
 275         #  self.parent.gauge.Hide()
 276         #  print "hide gauge"
 277
 278     def on_incr_ref_level(self, evt):
 279         # print "on_incr_ref_level"
 280         self.numbersink.set_ref_level(self.numbersink.ref_level
 281                                    + self.numbersink.decimal_places)
 282
 283     def on_decr_ref_level(self, evt):
 284         # print "on_decr_ref_level"
 285         self.numbersink.set_ref_level(self.numbersink.ref_level
 286                                    - self.numbersink.decimal_places)
 287
 288     def on_incr_decimal_places(self, evt):
 289         # print "on_incr_decimal_places"
 290         self.numbersink.set_decimal_places(self.numbersink.decimal_places+1) #next_up(self.numbersink.decimal_places, (1,2,5,10,20)))
 291
 292     def on_decr_decimal_places(self, evt):
 293         # print "on_decr_decimal_places"
 294         self.numbersink.set_decimal_places(max(self.numbersink.decimal_places-1,0)) #next_down(self.numbersink.decimal_places, (1,2,5,10,20)))
 295
 296     def on_decimal_places(self, evt):
 297         # print "on_decimal_places"
 298         Id = evt.GetId()
 299         if Id == self.id_decimal_places_0:
 300             self.numbersink.set_decimal_places(0)
 301         elif Id == self.id_decimal_places_1:
 302             self.numbersink.set_decimal_places(1)
 303         elif Id == self.id_decimal_places_2:
 304             self.numbersink.set_decimal_places(2)
 305         elif Id == self.id_decimal_places_3:
 306             self.numbersink.set_decimal_places(3)
 307         elif Id == self.id_decimal_places_6:
 308             self.numbersink.set_decimal_places(6)
 309         elif Id == self.id_decimal_places_9:
 310             self.numbersink.set_decimal_places(9)
 311
 312
 313     def on_right_click(self, event):
 314         menu = self.popup_menu
 315         for id, pred in self.checkmarks.items():
 316             item = menu.FindItemById(id)
 317             item.Check(pred())
 318         self.PopupMenu(menu, event.GetPosition())
 319
 320
 321     def build_popup_menu(self):
 322         #self.id_hide_gauge = wx.NewId()
 323         self.id_show_gauge = wx.NewId()
 324         self.id_incr_ref_level = wx.NewId()
 325         self.id_decr_ref_level = wx.NewId()
 326         self.id_incr_decimal_places = wx.NewId()
 327         self.id_decr_decimal_places = wx.NewId()
 328         self.id_decimal_places_0 = wx.NewId()
 329         self.id_decimal_places_1 = wx.NewId()
 330         self.id_decimal_places_2 = wx.NewId()
 331         self.id_decimal_places_3 = wx.NewId()
 332         self.id_decimal_places_6 = wx.NewId()
 333         self.id_decimal_places_9 = wx.NewId()
 334         self.id_average = wx.NewId()
 335         self.id_peak_hold = wx.NewId()
 336
 337         self.Bind(wx.EVT_MENU, self.on_average, id=self.id_average)
 338         self.Bind(wx.EVT_MENU, self.on_peak_hold, id=self.id_peak_hold)
 339         #self.Bind(wx.EVT_MENU, self.on_hide_gauge, id=self.id_hide_gauge)
 340         self.Bind(wx.EVT_MENU, self.on_show_gauge, id=self.id_show_gauge)
 341         self.Bind(wx.EVT_MENU, self.on_incr_ref_level, id=self.id_incr_ref_level)
 342         self.Bind(wx.EVT_MENU, self.on_decr_ref_level, id=self.id_decr_ref_level)
 343         self.Bind(wx.EVT_MENU, self.on_incr_decimal_places, id=self.id_incr_decimal_places)
 344         self.Bind(wx.EVT_MENU, self.on_decr_decimal_places, id=self.id_decr_decimal_places)
 345         self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_0)
 346         self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_1)
 347         self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_2)
 348         self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_3)
 349         self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_6)
 350         self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_9)
 351
 352
 353         # make a menu
 354         menu = wx.Menu()
 355         self.popup_menu = menu
 356         menu.AppendCheckItem(self.id_average, "Average")
 357         menu.AppendCheckItem(self.id_peak_hold, "Peak Hold")
 358         #menu.Append(self.id_hide_gauge, "Hide gauge")
 359         menu.AppendCheckItem(self.id_show_gauge, "Show gauge")
 360         menu.Append(self.id_incr_ref_level, "Incr Ref Level")
 361         menu.Append(self.id_decr_ref_level, "Decr Ref Level")
 362         menu.Append(self.id_incr_decimal_places, "Incr decimal places")
 363         menu.Append(self.id_decr_decimal_places, "Decr decimal places")
 364         menu.AppendSeparator()
 365         # we'd use RadioItems for these, but they're not supported on Mac
 366         menu.AppendCheckItem(self.id_decimal_places_0, "0 decimal places")
 367         menu.AppendCheckItem(self.id_decimal_places_1, "1 decimal places")
 368         menu.AppendCheckItem(self.id_decimal_places_2, "2 decimal places")
 369         menu.AppendCheckItem(self.id_decimal_places_3, "3 decimal places")
 370         menu.AppendCheckItem(self.id_decimal_places_6, "6 decimal places")
 371         menu.AppendCheckItem(self.id_decimal_places_9, "9 decimal places")
 372
 373         self.checkmarks = {
 374             self.id_average : lambda : self.numbersink.average,
 375             self.id_peak_hold : lambda : self.numbersink.peak_hold,#            self.id_hide_gauge : lambda : self.numbersink.hide_gauge,
 376             self.id_show_gauge : lambda : self.numbersink.show_gauge,
 377             self.id_decimal_places_0 : lambda : self.numbersink.decimal_places == 0,
 378             self.id_decimal_places_1 : lambda : self.numbersink.decimal_places == 1,
 379             self.id_decimal_places_2 : lambda : self.numbersink.decimal_places == 2,
 380             self.id_decimal_places_3 : lambda : self.numbersink.decimal_places == 3,
 381             self.id_decimal_places_6 : lambda : self.numbersink.decimal_places == 6,
 382             self.id_decimal_places_9 : lambda : self.numbersink.decimal_places == 9,
 383             }
 384
 385
 386 def next_up(v, seq):
 387     """
 388     Return the first item in seq that is > v.
 389     """
 390     for s in seq:
 391         if s > v:
 392             return s
 393     return v
 394
 395 def next_down(v, seq):
 396     """
 397     Return the last item in seq that is < v.
 398     """
 399     rseq = list(seq[:])
 400     rseq.reverse()
 401
 402     for s in rseq:
 403         if s < v:
 404             return s
 405     return v
 406
 407
 408 #========================================================================================
 409 class number_window (plot.PlotCanvas):
 410     def __init__ (self, numbersink, parent, id = -1,label="number",
 411                   pos = wx.DefaultPosition, size = wx.DefaultSize,
 412                   style = wx.DEFAULT_FRAME_STYLE, name = ""):
 413         plot.PlotCanvas.__init__ (self, parent, id, pos, size, style, name)
 414         #wx.StaticText.__init__(self, parent, id, label, pos, (size[0]/2,size[1]/2), style, name)
 415         #print 'parent',parent
 416         self.static_text=static_text_window( self, numbersink,id, label, pos, (size[0]/2,size[1]/2), style, name)
 417         gauge_style = wx.GA_HORIZONTAL
 418         vbox=wx.BoxSizer(wx.VERTICAL)
 419         vbox.Add (self.static_text, 0, wx.EXPAND)
 420         self.current_value=None
 421         if numbersink.input_is_real:
 422           self.gauge=wx.Gauge( self, id, range=1000, pos=(pos[0],pos[1]+size[1]/2),size=(size[0]/2,size[1]/2), style=gauge_style,  name = "gauge")
 423           vbox.Add (self.gauge, 1, wx.EXPAND)
 424         else:
 425           self.gauge=wx.Gauge( self, id, range=1000, pos=(pos[0],pos[1]+size[1]/3),size=(size[0]/2,size[1]/3), style=gauge_style,  name = "gauge")
 426           #hbox=wx.BoxSizer(wx.HORIZONTAL)
 427           self.gauge_imag=wx.Gauge( self, id, range=1000, pos=(pos[0],pos[1]+size[1]*2/3),size=(size[0]/2,size[1]/3), style=gauge_style,  name = "gauge_imag")
 428           vbox.Add (self.gauge, 1, wx.EXPAND)
 429           vbox.Add (self.gauge_imag, 1, wx.EXPAND)
 430           #vbox.Add (hbox, 1, wx.EXPAND)
 431         self.sizer = vbox
 432         self.SetSizer (self.sizer)
 433         self.SetAutoLayout (True)
 434         self.sizer.Fit (self)
 435
 436         self.label=label
 437         #self.y_range = None
 438         self.numbersink = numbersink
 439         self.peak_hold = False
 440         self.peak_vals = None
 441
 442         #self.SetEnableGrid (True)
 443         # self.SetEnableZoom (True)
 444         # self.SetBackgroundColour ('black')
 445
 446         #self.build_popup_menu()
 447
 448         EVT_DATA_EVENT (self, self.set_data)
 449         wx.EVT_CLOSE (self, self.on_close_window)
 450         #self.Bind(wx.EVT_RIGHT_UP, self.on_right_click)
 451         #self.Bind(wx.EVT_RIGHT_UP, self.on_right_click)
 452
 453         self.input_watcher = input_watcher(numbersink.msgq, numbersink.number_size, self)
 454
 455
 456     def on_close_window (self, event):
 457         print "number_window:on_close_window"
 458         self.keep_running = False
 459
 460     def set_show_gauge(self, enable):
 461         self.show_gauge = enable
 462         if enable:
 463           self.gauge.Show()
 464           if not self.numbersink.input_is_real:
 465             self.gauge_imag.Show()
 466           #print 'show'
 467         else:
 468           self.gauge.Hide()
 469           if not self.numbersink.input_is_real:
 470             self.gauge_imag.Hide()
 471           #print 'hide'
 472
 473     def set_data (self, evt):
 474         numbers = evt.data
 475         L = len (numbers)
 476
 477         if self.peak_hold:
 478             if self.peak_vals is None:
 479                 self.peak_vals = numbers
 480             else:
 481                 self.peak_vals = numpy.maximum(numbers, self.peak_vals)
 482                 numbers = self.peak_vals
 483
 484         if self.numbersink.input_is_real:
 485             real_value=numbers[0]*self.numbersink.factor + self.numbersink.base_value
 486             imag_value=0.0
 487             self.current_value=real_value
 488         else:
 489             real_value=numbers[0]*self.numbersink.factor + self.numbersink.base_value
 490             imag_value=numbers[1]*self.numbersink.factor + self.numbersink.base_value
 491             self.current_value=complex(real_value,imag_value)
 492         #x = max(abs(self.numbersink.sample_rate), abs(self.numbersink.base_value))
 493         x = max(real_value, imag_value)
 494         if x >= 1e9:
 495             sf = 1e-9
 496             unit_prefix = "G"
 497         elif x >= 1e6:
 498             sf = 1e-6
 499             unit_prefix = "M"
 500         elif x>= 1e3:
 501             sf = 1e-3
 502             unit_prefix = "k"
 503         else :
 504             sf = 1
 505             unit_prefix = ""
 506         #self.update_y_range ()
 507         if self.numbersink.input_is_real:
 508           showtext = "%s: %.*f %s%s" % (self.label, self.numbersink.decimal_places,real_value*sf,unit_prefix,self.numbersink.unit)
 509         else:
 510           showtext = "%s: %.*f,%.*f %s%s" % (self.label, self.numbersink.decimal_places,real_value*sf,
 511                                                        self.numbersink.decimal_places,imag_value*sf,unit_prefix,self.numbersink.unit)
 512         self.static_text.SetLabel(showtext)
 513         #print (int(float((real_value-self.numbersink.base_value)*1000.0/(self.numbersink.maxval-self.numbersink.minval)))+500)
 514         self.gauge.SetValue(int(float((real_value-self.numbersink.base_value)*1000.0/(self.numbersink.maxval-self.numbersink.minval)))+500)
 515         if not self.numbersink.input_is_real:
 516           self.gauge.SetValue(int(float((imag_value-self.numbersink.base_value)*1000.0/(self.numbersink.maxval-self.numbersink.minval)))+500)
 517
 518     def set_peak_hold(self, enable):
 519         self.peak_hold = enable
 520         self.peak_vals = None
 521
 522     def update_y_range (self):
 523         ymax = self.numbersink.ref_level
 524         ymin = self.numbersink.ref_level - self.numbersink.decimal_places * self.numbersink.y_divs
 525         self.y_range = self._axisInterval ('min', ymin, ymax)
 526
 527     def on_average(self, evt):
 528         # print "on_average"
 529         self.numbersink.set_average(evt.IsChecked())
 530
 531     def on_peak_hold(self, evt):
 532         # print "on_peak_hold"
 533         self.numbersink.set_peak_hold(evt.IsChecked())
 534
 535
 536
 537
 538
 539
 540
 541
 542
 543
 544 # ----------------------------------------------------------------
 545 #                     Deprecated interfaces
 546 # ----------------------------------------------------------------
 547
 548 # returns (block, win).
 549 #   block requires a single input stream of float
 550 #   win is a subclass of wxWindow
 551
 552 def make_number_sink_f(fg, parent, label, number_size, input_rate, ymin = 0, ymax=50):
 553
 554     block = number_sink_f(fg, parent, label=label, number_size=number_size, sample_rate=input_rate,
 555                        decimal_places=(ymax - ymin)/8, ref_level=ymax)
 556     return (block, block.win)
 557
 558 # returns (block, win).
 559 #   block requires a single input stream of gr_complex
 560 #   win is a subclass of wxWindow
 561
 562 def make_number_sink_c(fg, parent, label, number_size, input_rate, ymin=0, ymax=50):
 563     block = number_sink_c(fg, parent, label=label, number_size=number_size, sample_rate=input_rate,
 564                        decimal_places=(ymax - ymin)/8, ref_level=ymax)
 565     return (block, block.win)
 566
 567
 568 # ----------------------------------------------------------------
 569 # Standalone test app
 570 # ----------------------------------------------------------------
 571
 572 class test_app_flow_graph (stdgui.gui_flow_graph):
 573     def __init__(self, frame, panel, vbox, argv):
 574         stdgui.gui_flow_graph.__init__ (self, frame, panel, vbox, argv)
 575
 576         #number_size = 256
 577
 578         # build our flow graph
 579         input_rate = 20.48e3
 580
 581         # Generate a complex sinusoid
 582         src1 = gr.sig_source_c (input_rate, gr.GR_SIN_WAVE, 2e3, 1)
 583         #src1 = gr.sig_source_c (input_rate, gr.GR_CONST_WAVE, 5.75e3, 1)
 584
 585         # We add these throttle blocks so that this demo doesn't
 586         # suck down all the CPU available.  Normally you wouldn't use these.
 587         thr1 = gr.throttle(gr.sizeof_gr_complex, input_rate)
 588
 589         #sink1 = number_sink_c (self, panel, label="Complex Data", number_size=number_size,
 590         #                    sample_rate=input_rate, base_value=100e3,
 591         #                    ref_level=0, decimal_places=3)
 592         #vbox.Add (sink1.win, 1, wx.EXPAND)
 593         #self.connect (src1, thr1, sink1)
 594
 595         src2 = gr.sig_source_f (input_rate, gr.GR_SIN_WAVE, 2e3, 1)
 596         #src2 = gr.sig_source_f (input_rate, gr.GR_CONST_WAVE, 5.75e3, 1)
 597         thr2 = gr.throttle(gr.sizeof_float, input_rate)
 598         sink2 = number_sink_f (self, panel, unit='Hz',label="Real Data", avg_alpha=0.001,#number_size=number_size*2,
 599                             sample_rate=input_rate, base_value=100e3,
 600                             ref_level=0, decimal_places=3)
 601         vbox.Add (sink2.win, 1, wx.EXPAND)
 602         sink3 = number_sink_c (self, panel, unit='V',label="Complex Data", avg_alpha=0.001,#number_size=number_size*2,
 603                             sample_rate=input_rate, base_value=0,
 604                             ref_level=0, decimal_places=3)
 605         vbox.Add (sink3.win, 1, wx.EXPAND)
 606         self.connect (src2, thr2, sink2)
 607         self.connect (src1, thr1, sink3)
 608 def main ():
 609     app = stdgui.stdapp (test_app_flow_graph,
 610                          "Number Sink Test App")
 611     app.MainLoop ()
 612
 613 if __name__ == '__main__':
 614     main ()