#!/usr/bin/env python # # Copyright 2003,2004,2005,2006,2007 Free Software Foundation, Inc. # # This file is part of GNU Radio # # GNU Radio is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2, or (at your option) # any later version. # # GNU Radio is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with GNU Radio; see the file COPYING. If not, write to # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, # Boston, MA 02111-1307, USA. # from gnuradio import gr, gru, window from gnuradio.wxgui import stdgui import wx #from wx import StaticText import gnuradio.wxgui.plot as plot import numpy import threading import math default_numbersink_size = (640,240) default_number_rate = gr.prefs().get_long('wxgui', 'number_rate', 15) class number_sink_base(object): 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, sample_rate=1, number_rate=default_number_rate, average=False, avg_alpha=None, label='', peak_hold=False): # initialize common attributes self.unit=unit self.base_value = base_value self.minval=minval self.maxval=maxval self.factor=factor self.y_divs = 8 self.decimal_places=decimal_places self.ref_level = ref_level self.sample_rate = sample_rate number_size=1 self.number_size = number_size self.number_rate = number_rate self.average = average if avg_alpha is None: self.avg_alpha = 2.0 / number_rate else: self.avg_alpha = avg_alpha self.label = label self.peak_hold = peak_hold self.show_gauge = True self.input_is_real = input_is_real self.msgq = gr.msg_queue(2) # queue that holds a maximum of 2 messages def set_decimal_places(self, decimal_places): self.decimal_places = decimal_places def set_ref_level(self, ref_level): self.ref_level = ref_level def print_current_value(self, comment): print comment,self.win.current_value def set_average(self, average): self.average = average if average: self.avg.set_taps(self.avg_alpha) self.set_peak_hold(False) else: self.avg.set_taps(1.0) def set_peak_hold(self, enable): self.peak_hold = enable if enable: self.set_average(False) self.win.set_peak_hold(enable) def set_show_gauge(self, enable): self.show_gauge = enable self.win.set_show_gauge(enable) def set_avg_alpha(self, avg_alpha): self.avg_alpha = avg_alpha def set_base_value(self, base_value): self.base_value = base_value class number_sink_f(gr.hier_block, number_sink_base): def __init__(self, fg, parent, unit='',base_value=0,minval=-100.0,maxval=100.0,factor=1.0, decimal_places=10, ref_level=50, sample_rate=1, #number_size=512, number_rate=default_number_rate, average=False, avg_alpha=None, label='', size=default_numbersink_size, peak_hold=False): number_sink_base.__init__(self, unit=unit, input_is_real=True, base_value=base_value, minval=minval,maxval=maxval,factor=factor, decimal_places=decimal_places, ref_level=ref_level, sample_rate=sample_rate, #number_size=number_size, number_rate=number_rate, average=average, avg_alpha=avg_alpha, label=label, peak_hold=peak_hold) number_size=1 #s2p = gr.stream_to_vector(gr.sizeof_float, number_size) one_in_n = gr.keep_one_in_n(gr.sizeof_float, max(1, int(sample_rate/number_rate))) #c2mag = gr.complex_to_mag(number_size) self.avg = gr.single_pole_iir_filter_ff(1.0, number_size) # FIXME We need to add 3dB to all bins but the DC bin #log = gr.nlog10_ff(20, number_size, # -20*math.log10(number_size)-10*math.log10(power/number_size)) sink = gr.message_sink(gr.sizeof_float , self.msgq, True) #fg.connect (s2p, one_in_n, fft, c2mag, self.avg, log, sink) fg.connect(self.avg,one_in_n,sink) gr.hier_block.__init__(self, fg, self.avg, sink) self.win = number_window(self, parent, size=size,label=label) self.set_average(self.average) class number_sink_c(gr.hier_block, number_sink_base): def __init__(self, fg, parent, unit='',base_value=0,minval=-100.0,maxval=100.0,factor=1.0, decimal_places=10, ref_level=50, sample_rate=1, #number_size=512, number_rate=default_number_rate, average=False, avg_alpha=None, label='', size=default_numbersink_size, peak_hold=False): number_sink_base.__init__(self, unit=unit, input_is_real=False, base_value=base_value,factor=factor, minval=minval,maxval=maxval,decimal_places=decimal_places, ref_level=ref_level, sample_rate=sample_rate, #number_size=number_size, number_rate=number_rate, average=average, avg_alpha=avg_alpha, label=label, peak_hold=peak_hold) number_size=1 one_in_n = gr.keep_one_in_n(gr.sizeof_gr_complex, max(1, int(sample_rate/number_rate))) #c2mag = gr.complex_to_mag(number_size) self.avg = gr.single_pole_iir_filter_cc(1.0, number_size) # FIXME We need to add 3dB to all bins but the DC bin #log = gr.nlog10_ff(20, number_size, # -20*math.log10(number_size)-10*math.log10(power/number_size)) sink = gr.message_sink(gr.sizeof_gr_complex , self.msgq, True) #fg.connect (s2p, one_in_n, fft, c2mag, self.avg, log, sink) fg.connect(self.avg,one_in_n,sink) gr.hier_block.__init__(self, fg, self.avg, sink) self.win = number_window(self, parent, size=size,label=label) self.set_average(self.average) # ------------------------------------------------------------------------ myDATA_EVENT = wx.NewEventType() EVT_DATA_EVENT = wx.PyEventBinder (myDATA_EVENT, 0) class DataEvent(wx.PyEvent): def __init__(self, data): wx.PyEvent.__init__(self) self.SetEventType (myDATA_EVENT) self.data = data def Clone (self): self.__class__ (self.GetId()) class input_watcher (threading.Thread): def __init__ (self, msgq, number_size, event_receiver, **kwds): threading.Thread.__init__ (self, **kwds) self.setDaemon (1) self.msgq = msgq self.number_size = number_size self.event_receiver = event_receiver self.keep_running = True self.start () def run (self): while (self.keep_running): msg = self.msgq.delete_head() # blocking read of message queue itemsize = int(msg.arg1()) nitems = int(msg.arg2()) s = msg.to_string() # get the body of the msg as a string # There may be more than one number in the message. # If so, we take only the last one if nitems > 1: start = itemsize * (nitems - 1) s = s[start:start+itemsize] complex_data = numpy.fromstring (s, numpy.float32) de = DataEvent (complex_data) wx.PostEvent (self.event_receiver, de) del de #======================================================================================== class static_text_window (wx.StaticText): #plot.PlotCanvas): def __init__ (self, parent, numbersink,id = -1,label="number", pos = wx.DefaultPosition, size = wx.DefaultSize, style = wx.DEFAULT_FRAME_STYLE, name = ""): #plot.PlotCanvas.__init__ (self, parent, id, pos, size, style, name) wx.StaticText.__init__(self, parent, id, label, pos, size, style, name) #self.static_text=wx.StaticText( parent, id, label, pos, (size[0]/2,size[1]/2), style, name) #gauge_style = wx.GA_HORIZONTAL #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") #wx.BoxSizer.__init__ (self,wx.VERTICAL) #self.Add (self.static_text, 0, wx.EXPAND) #self.Add (self.gauge, 1, wx.EXPAND) self.parent=parent self.label=label #self.y_range = None self.numbersink = numbersink self.peak_hold = False self.peak_vals = None #self.SetEnableGrid (True) # self.SetEnableZoom (True) # self.SetBackgroundColour ('black') self.build_popup_menu() #EVT_DATA_EVENT (self, self.set_data) #wx.EVT_CLOSE (self, self.on_close_window) #self.Bind(wx.EVT_RIGHT_UP, self.on_right_click) self.Bind(wx.EVT_RIGHT_UP, self.on_right_click) #self.input_watcher = input_watcher(numbersink.msgq, numbersink.number_size, self) def on_close_window (self, event): print "number_window:on_close_window" self.keep_running = False def set_peak_hold(self, enable): self.peak_hold = enable self.peak_vals = None def update_y_range (self): ymax = self.numbersink.ref_level ymin = self.numbersink.ref_level - self.numbersink.decimal_places * self.numbersink.y_divs self.y_range = self._axisInterval ('min', ymin, ymax) def on_average(self, evt): # print "on_average" self.numbersink.set_average(evt.IsChecked()) def on_peak_hold(self, evt): # print "on_peak_hold" self.numbersink.set_peak_hold(evt.IsChecked()) def on_show_gauge(self, evt): # print "on_show_gauge" #if evt.IsChecked(): self.numbersink.set_show_gauge(evt.IsChecked()) print evt.IsChecked() # print "show gauge" #else: # self.parent.gauge.Hide() # print "hide gauge" def on_incr_ref_level(self, evt): # print "on_incr_ref_level" self.numbersink.set_ref_level(self.numbersink.ref_level + self.numbersink.decimal_places) def on_decr_ref_level(self, evt): # print "on_decr_ref_level" self.numbersink.set_ref_level(self.numbersink.ref_level - self.numbersink.decimal_places) def on_incr_decimal_places(self, evt): # print "on_incr_decimal_places" self.numbersink.set_decimal_places(self.numbersink.decimal_places+1) #next_up(self.numbersink.decimal_places, (1,2,5,10,20))) def on_decr_decimal_places(self, evt): # print "on_decr_decimal_places" self.numbersink.set_decimal_places(max(self.numbersink.decimal_places-1,0)) #next_down(self.numbersink.decimal_places, (1,2,5,10,20))) def on_decimal_places(self, evt): # print "on_decimal_places" Id = evt.GetId() if Id == self.id_decimal_places_0: self.numbersink.set_decimal_places(0) elif Id == self.id_decimal_places_1: self.numbersink.set_decimal_places(1) elif Id == self.id_decimal_places_2: self.numbersink.set_decimal_places(2) elif Id == self.id_decimal_places_3: self.numbersink.set_decimal_places(3) elif Id == self.id_decimal_places_6: self.numbersink.set_decimal_places(6) elif Id == self.id_decimal_places_9: self.numbersink.set_decimal_places(9) def on_right_click(self, event): menu = self.popup_menu for id, pred in self.checkmarks.items(): item = menu.FindItemById(id) item.Check(pred()) self.PopupMenu(menu, event.GetPosition()) def build_popup_menu(self): #self.id_hide_gauge = wx.NewId() self.id_show_gauge = wx.NewId() self.id_incr_ref_level = wx.NewId() self.id_decr_ref_level = wx.NewId() self.id_incr_decimal_places = wx.NewId() self.id_decr_decimal_places = wx.NewId() self.id_decimal_places_0 = wx.NewId() self.id_decimal_places_1 = wx.NewId() self.id_decimal_places_2 = wx.NewId() self.id_decimal_places_3 = wx.NewId() self.id_decimal_places_6 = wx.NewId() self.id_decimal_places_9 = wx.NewId() self.id_average = wx.NewId() self.id_peak_hold = wx.NewId() self.Bind(wx.EVT_MENU, self.on_average, id=self.id_average) self.Bind(wx.EVT_MENU, self.on_peak_hold, id=self.id_peak_hold) #self.Bind(wx.EVT_MENU, self.on_hide_gauge, id=self.id_hide_gauge) self.Bind(wx.EVT_MENU, self.on_show_gauge, id=self.id_show_gauge) self.Bind(wx.EVT_MENU, self.on_incr_ref_level, id=self.id_incr_ref_level) self.Bind(wx.EVT_MENU, self.on_decr_ref_level, id=self.id_decr_ref_level) self.Bind(wx.EVT_MENU, self.on_incr_decimal_places, id=self.id_incr_decimal_places) self.Bind(wx.EVT_MENU, self.on_decr_decimal_places, id=self.id_decr_decimal_places) self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_0) self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_1) self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_2) self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_3) self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_6) self.Bind(wx.EVT_MENU, self.on_decimal_places, id=self.id_decimal_places_9) # make a menu menu = wx.Menu() self.popup_menu = menu menu.AppendCheckItem(self.id_average, "Average") menu.AppendCheckItem(self.id_peak_hold, "Peak Hold") #menu.Append(self.id_hide_gauge, "Hide gauge") menu.AppendCheckItem(self.id_show_gauge, "Show gauge") menu.Append(self.id_incr_ref_level, "Incr Ref Level") menu.Append(self.id_decr_ref_level, "Decr Ref Level") menu.Append(self.id_incr_decimal_places, "Incr decimal places") menu.Append(self.id_decr_decimal_places, "Decr decimal places") menu.AppendSeparator() # we'd use RadioItems for these, but they're not supported on Mac menu.AppendCheckItem(self.id_decimal_places_0, "0 decimal places") menu.AppendCheckItem(self.id_decimal_places_1, "1 decimal places") menu.AppendCheckItem(self.id_decimal_places_2, "2 decimal places") menu.AppendCheckItem(self.id_decimal_places_3, "3 decimal places") menu.AppendCheckItem(self.id_decimal_places_6, "6 decimal places") menu.AppendCheckItem(self.id_decimal_places_9, "9 decimal places") self.checkmarks = { self.id_average : lambda : self.numbersink.average, self.id_peak_hold : lambda : self.numbersink.peak_hold,# self.id_hide_gauge : lambda : self.numbersink.hide_gauge, self.id_show_gauge : lambda : self.numbersink.show_gauge, self.id_decimal_places_0 : lambda : self.numbersink.decimal_places == 0, self.id_decimal_places_1 : lambda : self.numbersink.decimal_places == 1, self.id_decimal_places_2 : lambda : self.numbersink.decimal_places == 2, self.id_decimal_places_3 : lambda : self.numbersink.decimal_places == 3, self.id_decimal_places_6 : lambda : self.numbersink.decimal_places == 6, self.id_decimal_places_9 : lambda : self.numbersink.decimal_places == 9, } def next_up(v, seq): """ Return the first item in seq that is > v. """ for s in seq: if s > v: return s return v def next_down(v, seq): """ Return the last item in seq that is < v. """ rseq = list(seq[:]) rseq.reverse() for s in rseq: if s < v: return s return v #======================================================================================== class number_window (plot.PlotCanvas): def __init__ (self, numbersink, parent, id = -1,label="number", pos = wx.DefaultPosition, size = wx.DefaultSize, style = wx.DEFAULT_FRAME_STYLE, name = ""): plot.PlotCanvas.__init__ (self, parent, id, pos, size, style, name) #wx.StaticText.__init__(self, parent, id, label, pos, (size[0]/2,size[1]/2), style, name) #print 'parent',parent self.static_text=static_text_window( self, numbersink,id, label, pos, (size[0]/2,size[1]/2), style, name) gauge_style = wx.GA_HORIZONTAL vbox=wx.BoxSizer(wx.VERTICAL) vbox.Add (self.static_text, 0, wx.EXPAND) self.current_value=None if numbersink.input_is_real: 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") vbox.Add (self.gauge, 1, wx.EXPAND) else: 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") #hbox=wx.BoxSizer(wx.HORIZONTAL) 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") vbox.Add (self.gauge, 1, wx.EXPAND) vbox.Add (self.gauge_imag, 1, wx.EXPAND) #vbox.Add (hbox, 1, wx.EXPAND) self.sizer = vbox self.SetSizer (self.sizer) self.SetAutoLayout (True) self.sizer.Fit (self) self.label=label #self.y_range = None self.numbersink = numbersink self.peak_hold = False self.peak_vals = None #self.SetEnableGrid (True) # self.SetEnableZoom (True) # self.SetBackgroundColour ('black') #self.build_popup_menu() EVT_DATA_EVENT (self, self.set_data) wx.EVT_CLOSE (self, self.on_close_window) #self.Bind(wx.EVT_RIGHT_UP, self.on_right_click) #self.Bind(wx.EVT_RIGHT_UP, self.on_right_click) self.input_watcher = input_watcher(numbersink.msgq, numbersink.number_size, self) def on_close_window (self, event): print "number_window:on_close_window" self.keep_running = False def set_show_gauge(self, enable): self.show_gauge = enable if enable: self.gauge.Show() if not self.numbersink.input_is_real: self.gauge_imag.Show() #print 'show' else: self.gauge.Hide() if not self.numbersink.input_is_real: self.gauge_imag.Hide() #print 'hide' def set_data (self, evt): numbers = evt.data L = len (numbers) if self.peak_hold: if self.peak_vals is None: self.peak_vals = numbers else: self.peak_vals = numpy.maximum(numbers, self.peak_vals) numbers = self.peak_vals if self.numbersink.input_is_real: real_value=numbers[0]*self.numbersink.factor + self.numbersink.base_value imag_value=0.0 self.current_value=real_value else: real_value=numbers[0]*self.numbersink.factor + self.numbersink.base_value imag_value=numbers[1]*self.numbersink.factor + self.numbersink.base_value self.current_value=complex(real_value,imag_value) #x = max(abs(self.numbersink.sample_rate), abs(self.numbersink.base_value)) x = max(real_value, imag_value) if x >= 1e9: sf = 1e-9 unit_prefix = "G" elif x >= 1e6: sf = 1e-6 unit_prefix = "M" elif x>= 1e3: sf = 1e-3 unit_prefix = "k" else : sf = 1 unit_prefix = "" #self.update_y_range () if self.numbersink.input_is_real: showtext = "%s: %.*f %s%s" % (self.label, self.numbersink.decimal_places,real_value*sf,unit_prefix,self.numbersink.unit) else: showtext = "%s: %.*f,%.*f %s%s" % (self.label, self.numbersink.decimal_places,real_value*sf, self.numbersink.decimal_places,imag_value*sf,unit_prefix,self.numbersink.unit) self.static_text.SetLabel(showtext) #print (int(float((real_value-self.numbersink.base_value)*1000.0/(self.numbersink.maxval-self.numbersink.minval)))+500) self.gauge.SetValue(int(float((real_value-self.numbersink.base_value)*1000.0/(self.numbersink.maxval-self.numbersink.minval)))+500) if not self.numbersink.input_is_real: self.gauge.SetValue(int(float((imag_value-self.numbersink.base_value)*1000.0/(self.numbersink.maxval-self.numbersink.minval)))+500) def set_peak_hold(self, enable): self.peak_hold = enable self.peak_vals = None def update_y_range (self): ymax = self.numbersink.ref_level ymin = self.numbersink.ref_level - self.numbersink.decimal_places * self.numbersink.y_divs self.y_range = self._axisInterval ('min', ymin, ymax) def on_average(self, evt): # print "on_average" self.numbersink.set_average(evt.IsChecked()) def on_peak_hold(self, evt): # print "on_peak_hold" self.numbersink.set_peak_hold(evt.IsChecked()) # ---------------------------------------------------------------- # Deprecated interfaces # ---------------------------------------------------------------- # returns (block, win). # block requires a single input stream of float # win is a subclass of wxWindow def make_number_sink_f(fg, parent, label, number_size, input_rate, ymin = 0, ymax=50): block = number_sink_f(fg, parent, label=label, number_size=number_size, sample_rate=input_rate, decimal_places=(ymax - ymin)/8, ref_level=ymax) return (block, block.win) # returns (block, win). # block requires a single input stream of gr_complex # win is a subclass of wxWindow def make_number_sink_c(fg, parent, label, number_size, input_rate, ymin=0, ymax=50): block = number_sink_c(fg, parent, label=label, number_size=number_size, sample_rate=input_rate, decimal_places=(ymax - ymin)/8, ref_level=ymax) return (block, block.win) # ---------------------------------------------------------------- # Standalone test app # ---------------------------------------------------------------- class test_app_flow_graph (stdgui.gui_flow_graph): def __init__(self, frame, panel, vbox, argv): stdgui.gui_flow_graph.__init__ (self, frame, panel, vbox, argv) #number_size = 256 # build our flow graph input_rate = 20.48e3 # Generate a complex sinusoid src1 = gr.sig_source_c (input_rate, gr.GR_SIN_WAVE, 2e3, 1) #src1 = gr.sig_source_c (input_rate, gr.GR_CONST_WAVE, 5.75e3, 1) # We add these throttle blocks so that this demo doesn't # suck down all the CPU available. Normally you wouldn't use these. thr1 = gr.throttle(gr.sizeof_gr_complex, input_rate) #sink1 = number_sink_c (self, panel, label="Complex Data", number_size=number_size, # sample_rate=input_rate, base_value=100e3, # ref_level=0, decimal_places=3) #vbox.Add (sink1.win, 1, wx.EXPAND) #self.connect (src1, thr1, sink1) src2 = gr.sig_source_f (input_rate, gr.GR_SIN_WAVE, 2e3, 1) #src2 = gr.sig_source_f (input_rate, gr.GR_CONST_WAVE, 5.75e3, 1) thr2 = gr.throttle(gr.sizeof_float, input_rate) sink2 = number_sink_f (self, panel, unit='Hz',label="Real Data", avg_alpha=0.001,#number_size=number_size*2, sample_rate=input_rate, base_value=100e3, ref_level=0, decimal_places=3) vbox.Add (sink2.win, 1, wx.EXPAND) sink3 = number_sink_c (self, panel, unit='V',label="Complex Data", avg_alpha=0.001,#number_size=number_size*2, sample_rate=input_rate, base_value=0, ref_level=0, decimal_places=3) vbox.Add (sink3.win, 1, wx.EXPAND) self.connect (src2, thr2, sink2) self.connect (src1, thr1, sink3) def main (): app = stdgui.stdapp (test_app_flow_graph, "Number Sink Test App") app.MainLoop () if __name__ == '__main__': main ()