#!/usr/bin/env python # -*- coding: UTF-8 -*- # generated by wxGlade 0.3.5.1 on Tue Nov 22 10:35:57 2005 import sys, wx from gnuradio import gr from gnuradio import usrp from gnuradio import audio_oss as audio from gnuradio.eng_option import eng_option from optparse import OptionParser from gnuradio import eng_notation ID_OPEN = wx.NewId() ID_EXIT = wx.NewId() ID_SLIDER_1 = wx.NewId() ID_SLIDER_2 = wx.NewId() ID_BUTTON_1 = wx.NewId() ID_BUTTON_2 = wx.NewId() ID_BUTTON_3 = wx.NewId() ID_BUTTON_4 = 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() self.Open = wx.MenuItem(wxglade_tmp_menu, ID_OPEN, "Open", "Open audio file", wx.ITEM_NORMAL) wxglade_tmp_menu.AppendItem(self.Open) self.Exit = wx.MenuItem(wxglade_tmp_menu, ID_EXIT, "Exit", "Exit AM Transmitter", wx.ITEM_NORMAL) wxglade_tmp_menu.AppendItem(self.Exit) self.frame_1_menubar.Append(wxglade_tmp_menu, "File") # Menu Bar end self.label_3 = wx.StaticText(self, -1, "\nNow Playing:\n") self.text_ctrl_1 = wx.TextCtrl(self, -1, "", style=wx.TE_MULTILINE) self.label_2 = wx.StaticText(self, -1, " RF Level ") self.slider_2 = wx.Slider(self, ID_SLIDER_2, 0, 0, 100, style=wx.SL_HORIZONTAL|wx.SL_AUTOTICKS|wx.SL_LABELS) self.label_1 = wx.StaticText(self, -1, " Modulation Level ") self.slider_1 = wx.Slider(self, ID_SLIDER_1, 0, 0, 100, style=wx.SL_HORIZONTAL|wx.SL_AUTOTICKS|wx.SL_LABELS) self.panel_2 = wx.Panel(self, -1) self.panel_3 = wx.Panel(self, -1) self.panel_4 = wx.Panel(self, -1) self.panel_5 = wx.Panel(self, -1) self.panel_6 = wx.Panel(self, -1) self.button_1 = wx.Button(self, ID_BUTTON_1, "Rewind") self.button_2 = wx.Button(self, ID_BUTTON_2, "Forward") self.panel_11 = wx.Panel(self, -1) self.panel_7 = wx.Panel(self, -1) self.button_3 = wx.Button(self, ID_BUTTON_3, "Stop") self.button_4 = wx.Button(self, ID_BUTTON_4, "Run") self.panel_12 = wx.Panel(self, -1) self.panel_8 = wx.Panel(self, -1) self.panel_9 = wx.Panel(self, -1) self.panel_10 = wx.Panel(self, -1) self.panel_13 = wx.Panel(self, -1) self.panel_14 = wx.Panel(self, -1) self.__set_properties() self.__do_layout() # end wxGlade wx.EVT_MENU(self, ID_EXIT, self.MenuExit) wx.EVT_MENU(self, ID_OPEN, self.MenuOpenFile) wx.EVT_BUTTON(self, ID_BUTTON_1, self.Rewind) wx.EVT_BUTTON(self, ID_BUTTON_2, self.Forward) wx.EVT_BUTTON(self, ID_BUTTON_3, self.Stop) wx.EVT_BUTTON(self, ID_BUTTON_4, self.Run) wx.EVT_SLIDER(self, ID_SLIDER_1, self.ModLevel) wx.EVT_SLIDER(self, ID_SLIDER_2, self.RFLevel) parser = OptionParser (option_class=eng_option) parser.add_option ("-f", "--freq", type="eng_float", default=10e3, help="set frequency + 1080kHz") parser.add_option ("-a", "--amplitude", type="eng_float", default=2e3, help="set RF amplitude", metavar="AMPL") (options, args) = parser.parse_args () self.fileopen = False usrp_interp = 80 usrp_duc = 1080e3 self.sink = usrp.sink_c (0, usrp_interp) print "requesting: ", usrp_duc, "hz" self.sink.set_tx_freq(0, usrp_duc) # use usrp.tx_freq(0) to get actual freq, and use that # to set rf_LO actual_freq = self.sink.tx_freq(0) print "got ", actual_freq, "hz" self.sink.set_nchannels(1) self.sink.set_mux(0x98) rf_LO = options.freq af_sample_rate = 32000 rf_sample_rate = 1600000 fir_interp = rf_sample_rate / af_sample_rate self.fg = gr.flow_graph () self.audio_conv = gr.short_to_float() self.slider_1.SetValue(30) self.ascale = gr.multiply_const_ff(.00003) self.src = gr.add_const_ff(1) lpf2_taps = gr.firdes.low_pass ( \ fir_interp, rf_sample_rate, 14e3, 8e3, gr.firdes.WIN_HAMMING) self.lpf2c = gr.interp_fir_filter_fff (fir_interp, lpf2_taps) self.rf_loc = gr.sig_source_c (rf_sample_rate,gr.GR_SIN_WAVE,rf_LO,2,0) self.rf_mixc = gr.multiply_cc () self.slider_2.SetValue(options.amplitude/100.) self.scale = gr.multiply_const_cc(options.amplitude) self.hilbert = gr.hilbert_fc(57) def __set_properties(self): # begin wxGlade: MyFrame.__set_properties self.SetTitle("AM Transmitter") self.text_ctrl_1.SetSize((300, 50)) self.slider_2.SetSize((200, 88)) self.slider_1.SetSize((200, 88)) # end wxGlade def __do_layout(self): # begin wxGlade: MyFrame.__do_layout sizer_1 = wx.BoxSizer(wx.VERTICAL) sizer_2 = wx.BoxSizer(wx.VERTICAL) grid_sizer_1 = wx.FlexGridSizer(4, 4, 0, 0) sizer_4 = wx.BoxSizer(wx.HORIZONTAL) sizer_3 = wx.BoxSizer(wx.HORIZONTAL) sizer_5 = wx.BoxSizer(wx.VERTICAL) sizer_5.Add(self.label_3, 0, wx.FIXED_MINSIZE, 0) sizer_5.Add(self.text_ctrl_1, 0, wx.FIXED_MINSIZE, 0) sizer_2.Add(sizer_5, 1, wx.EXPAND, 0) sizer_3.Add(self.label_2, 0, wx.ALIGN_CENTER_VERTICAL|wx.FIXED_MINSIZE, 0) sizer_3.Add(self.slider_2, 0, wx.FIXED_MINSIZE, 0) sizer_2.Add(sizer_3, 1, wx.EXPAND, 0) sizer_4.Add(self.label_1, 0, wx.ALIGN_CENTER_VERTICAL|wx.FIXED_MINSIZE, 0) sizer_4.Add(self.slider_1, 0, wx.ALIGN_CENTER_HORIZONTAL|wx.FIXED_MINSIZE, 0) sizer_2.Add(sizer_4, 1, wx.EXPAND, 0) grid_sizer_1.Add(self.panel_2, 1, wx.EXPAND, 0) grid_sizer_1.Add(self.panel_3, 1, wx.EXPAND, 0) grid_sizer_1.Add(self.panel_4, 1, wx.EXPAND, 0) grid_sizer_1.Add(self.panel_5, 1, wx.EXPAND, 0) grid_sizer_1.Add(self.panel_6, 1, wx.EXPAND, 0) grid_sizer_1.Add(self.button_1, 0, wx.FIXED_MINSIZE, 0) grid_sizer_1.Add(self.button_2, 0, wx.FIXED_MINSIZE, 0) grid_sizer_1.Add(self.panel_11, 1, wx.EXPAND, 0) grid_sizer_1.Add(self.panel_7, 1, wx.EXPAND, 0) grid_sizer_1.Add(self.button_3, 0, wx.FIXED_MINSIZE, 0) grid_sizer_1.Add(self.button_4, 0, wx.FIXED_MINSIZE, 0) grid_sizer_1.Add(self.panel_12, 1, wx.EXPAND, 0) grid_sizer_1.Add(self.panel_8, 1, wx.EXPAND, 0) grid_sizer_1.Add(self.panel_9, 1, wx.EXPAND, 0) grid_sizer_1.Add(self.panel_10, 1, wx.EXPAND, 0) grid_sizer_1.Add(self.panel_13, 1, wx.EXPAND, 0) sizer_2.Add(grid_sizer_1, 1, wx.EXPAND, 0) sizer_2.Add(self.panel_14, 1, wx.EXPAND, 0) sizer_1.Add(sizer_2, 1, wx.EXPAND, 0) self.SetAutoLayout(True) self.SetSizer(sizer_1) sizer_1.Fit(self) sizer_1.SetSizeHints(self) self.Layout() # end wxGlade def MenuExit(self, event): self.Close() def MenuOpenFile(self,event): if self.fileopen: self.fg.disconnect_all() fname = wx.GetTextFromUser("Enter Filename",caption="Enter *.sw audio file to open:",default_value="am_program.sw") if fname !='': self.audio_file = gr.file_source(gr.sizeof_short,fname) self.fg.connect(self.audio_file, self.audio_conv, self.ascale, self.src, self.lpf2c, self.hilbert, (self.rf_mixc, 0)) self.fg.connect(self.rf_loc, (self.rf_mixc, 1)) self.fg.connect(self.rf_mixc, self.scale, self.sink) self.fileopen = True self.text_ctrl_1.SetValue(fname) def Stop(self, event): if self.fg.is_running(): self.fg.stop() def Run(self, event): if self.fileopen: if not self.fg.is_running(): self.fg.start() def ModLevel(self, event): self.ascale.set_k(self.slider_1.GetValue()/1e6) def RFLevel(self, event): self.scale.set_k(self.slider_2.GetValue()*100.) def Forward(self, event): if self.fileopen: self.audio_file.seek(1000000,gr.SEEK_CUR) def Rewind(self, event): if self.fileopen: self.audio_file.seek(-1000000,gr.SEEK_CUR) # end of class MyFrame class MyApp(wx.App): def OnInit(self): frame = MyFrame(None, -1, "Automatic Testing") frame.Show(True) self.SetTopWindow(frame) return True app = MyApp(0) app.MainLoop()