#!/usr/bin/env python # -*- coding: UTF-8 -*- # generated by wxGlade 0.3.5.1 on Wed Sep 7 14:04:24 2005 # # Copyright 2005 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 from gnuradio.wxgui import stdgui, fftsink, powermate from gnuradio.wxgui import scopesink import wx, math ID_EXIT = wx.NewId() ID_SLIDER_1 = wx.NewId() ID_SLIDER_2 = wx.NewId() class MyFrame(wx.Frame): def __init__(self, *args, **kwds): # begin wxGlade: MyFrame.__init__ kwds["style"] = wx.DEFAULT_FRAME_STYLE wx.Frame.__init__(self, *args, **kwds) # Menu Bar self.frame_1_menubar = wx.MenuBar() self.SetMenuBar(self.frame_1_menubar) wxglade_tmp_menu = wx.Menu() wxglade_tmp_menu.Append(ID_EXIT, "Exit", "", wx.ITEM_NORMAL) self.frame_1_menubar.Append(wxglade_tmp_menu, "File") # Menu Bar end self.panel_1 = wx.Panel(self, -1) self.label_1 = wx.StaticText(self, -1, "Phase") self.label_2 = wx.StaticText(self, -1, "Measured Phase") self.slider_1 = wx.Slider(self, ID_SLIDER_1, 0, 0, 100, style=wx.SL_HORIZONTAL|wx.SL_LABELS) self.text_ctrl_1 = wx.TextCtrl(self, -1, "") self.label_3 = wx.StaticText(self, -1, "Amplitude") self.panel_2 = wx.Panel(self, -1) self.slider_2 = wx.Slider(self, ID_SLIDER_2, 0, 0, 100, style=wx.SL_HORIZONTAL|wx.SL_LABELS) self.panel_3 = wx.Panel(self, -1) self.__set_properties() self.__do_layout() # end wxGlade POWERMATE = True try: self.pm = powermate.powermate(self) except: POWERMATE = False if POWERMATE: powermate.EVT_POWERMATE_ROTATE(self, self.on_rotate) wx.EVT_MENU(self, ID_EXIT, self.MenuExit) wx.EVT_SLIDER(self,ID_SLIDER_1,self.slider_phase) wx.EVT_SLIDER(self,ID_SLIDER_2,self.slider_amplitude) self.fg = gr.flow_graph() sample_freq = 1e6 ampl = .1 src0a = gr.sig_source_c (sample_freq, gr.GR_SIN_WAVE, 1e4, ampl) self.delay = 49 self.slider_1.SetValue(self.delay) self.src1a = gr.multiply_const_cc(complex(-1,0)) self.fg.connect (src0a, self.src1a) src0 = gr.complex_to_float() self.src1 = gr.complex_to_float() self.fg.connect(src0a,src0) self.fg.connect(self.src1a,self.src1) self.rot_ccw = complex(math.cos(math.pi/50),math.sin(math.pi/50)) self.rot_cw = complex(math.cos(math.pi/50),math.sin(-math.pi/50)) mul1 = gr.multiply_ff() self.meter = gr.signal_level2_ff() lp_taps = gr.firdes.low_pass ( 20, sample_freq, 1e4, 1e4, gr.firdes.WIN_HAMMING ) lp = gr.fir_filter_fff(1,lp_taps) self.mul2 = gr.multiply_const_ff(2) self.slider_2.SetValue(50) # agc self.i_meter = gr.signal_level_ff(1,.001) self.o_meter = gr.signal_level_ff(1,.001) self.pga = gr.multiply_const_ff(1) self.fg.connect ( src0, self.i_meter ) self.fg.connect ( self.i_meter, (mul1, 0) ) self.fg.connect ( self.src1, self.mul2 ) sink, win = scopesink.make_scope_sink_f (self, self.panel_1, "Rx Data", sample_freq) self.fg.connect (src0, (sink, 0)) self.fg.connect (self.mul2, (sink, 1)) self.fg.connect (self.mul2, self.o_meter) self.fg.connect (self.o_meter, self.pga) self.fg.connect (self.pga, (mul1, 1)) # x20 was here self.fg.connect (self.pga, (sink, 2)) self.fg.connect (mul1, lp, self.meter, (sink, 3)) self.fg.start() # start timer self.timer = UpdateTimer(self, 100) # every 100 mSec def __set_properties(self): # begin wxGlade: MyFrame.__set_properties self.SetTitle("Phase Lab") self.SetSize((680, 440)) self.panel_1.SetSize((640, 240)) self.slider_1.SetSize((200, 38)) self.text_ctrl_1.SetSize((150, 25)) self.slider_2.SetSize((200, 38)) # end wxGlade def __do_layout(self): # begin wxGlade: MyFrame.__do_layout sizer_1 = wx.BoxSizer(wx.VERTICAL) grid_sizer_1 = wx.FlexGridSizer(2, 1, 0, 0) grid_sizer_2 = wx.FlexGridSizer(4, 2, 0, 0) grid_sizer_1.Add(self.panel_1, 1, wx.EXPAND, 0) grid_sizer_2.Add(self.label_1, 0, wx.ALIGN_CENTER_HORIZONTAL|wx.FIXED_MINSIZE, 0) grid_sizer_2.Add(self.label_2, 0, wx.FIXED_MINSIZE, 0) grid_sizer_2.Add(self.slider_1, 0, wx.FIXED_MINSIZE, 0) grid_sizer_2.Add(self.text_ctrl_1, 0, wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL|wx.FIXED_MINSIZE, 0) grid_sizer_2.Add(self.label_3, 0, wx.ALIGN_CENTER_HORIZONTAL|wx.FIXED_MINSIZE, 0) grid_sizer_2.Add(self.panel_2, 1, wx.EXPAND, 0) grid_sizer_2.Add(self.slider_2, 0, wx.FIXED_MINSIZE, 0) grid_sizer_2.Add(self.panel_3, 1, wx.EXPAND, 0) grid_sizer_1.Add(grid_sizer_2, 1, wx.EXPAND, 0) sizer_1.Add(grid_sizer_1, 1, wx.EXPAND, 0) self.SetAutoLayout(True) self.SetSizer(sizer_1) self.Layout() # end wxGlade def MenuExit(self, event): self.Close(True) def slider_phase(self, event): self.delay = self.slider_1.GetValue() self.set_phase() def slider_amplitude(self, event): self.mul2.set_k(self.slider_2.GetValue()/25.) def on_rotate(self, evt): self.delay = max(0, min(100, self.delay + evt.delta)) self.delay = self.delay + evt.delta if self.delay <0 : self.delay = 99 if self.delay > 100 : self.delay = 0 self.slider_1.SetValue(self.delay) if evt.delta > 0: self.src1a.set_k(self.src1a.k()*self.rot_ccw) else: self.src1a.set_k(self.src1a.k()*self.rot_cw) def set_phase(self): accum = complex(1,0) for a in range(0,self.delay): accum = accum * self.rot_ccw self.src1a.set_k(accum) def OnUpdate(self): self.text_ctrl_1.SetValue(str(self.meter.level())) in_level = self.i_meter.level() out_level = self.o_meter.level() if out_level > .000001 : gain = math.sqrt(in_level/out_level) self.pga.set_k(gain) # end of class MyFramei # timer for output class UpdateTimer(wx.Timer): def __init__(self, target, dur=1000): wx.Timer.__init__(self) self.target = target self.Start(dur) def Notify(self): """Called every timer interval""" if self.target: self.target.OnUpdate() class MyApp(wx.App): def OnInit(self): frame = MyFrame(None, -1, "Phase Explorer") frame.Show(True) self.SetTopWindow(frame) return True app = MyApp(0) app.MainLoop()