3 # Copyright 2004,2005,2007 Free Software Foundation, Inc.
5 # This file is part of GNU Radio
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)
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.
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., 51 Franklin Street,
20 # Boston, MA 02110-1301, USA.
23 from gnuradio import gr, gru, audio_portaudio
24 from gnuradio import eng_notation
25 from gnuradio.eng_option import eng_option
26 from gnuradio.wxgui import stdgui2, fftsink2, waterfallsink2, scopesink2, form, slider
27 from optparse import OptionParser
31 class app_top_block(stdgui2.std_top_block):
32 def __init__(self, frame, panel, vbox, argv):
33 stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
38 parser = OptionParser(option_class=eng_option)
39 parser.add_option("-W", "--waterfall", action="store_true", default=False,
40 help="Enable waterfall display")
41 parser.add_option("-S", "--oscilloscope", action="store_true", default=False,
42 help="Enable oscilloscope display")
43 parser.add_option("-I", "--audio-input", type="string", default="",
44 help="pcm input device name. E.g., hw:0,0 or /dev/dsp")
45 parser.add_option("-r", "--sample-rate", type="eng_float", default=48000,
46 help="set sample rate to RATE (48000)")
48 (options, args) = parser.parse_args()
49 sample_rate = int(options.sample_rate)
55 self.show_debug_info = True
60 waterfallsink2.waterfall_sink_f (panel, fft_size=1024, sample_rate=sample_rate)
61 elif options.oscilloscope:
62 self.scope = scopesink2.scope_sink_f(panel, sample_rate=sample_rate)
64 self.scope = fftsink2.fft_sink_f (panel, fft_size=1024, sample_rate=sample_rate, fft_rate=30,
65 ref_scale=1.0, ref_level=0, y_divs=12)
67 self.src = audio_portaudio.source (sample_rate, options.audio_input)
69 self.connect(self.src, self.scope)
75 def _set_status_msg(self, msg):
76 self.frame.GetStatusBar().SetStatusText(msg, 0)
78 def _build_gui(self, vbox):
80 def _form_set_freq(kv):
81 return self.set_freq(kv['freq'])
83 vbox.Add(self.scope.win, 10, wx.EXPAND)
85 #self._build_subpanel(vbox)
87 def _build_subpanel(self, vbox_arg):
88 # build a secondary information panel (sometimes hidden)
90 # FIXME figure out how to have this be a subpanel that is always
91 # created, but has its visibility controlled by foo.Show(True/False)
93 def _form_set_decim(kv):
94 return self.set_decim(kv['decim'])
96 if not(self.show_debug_info):
103 #panel = wx.Panel(self.panel, -1)
104 #vbox = wx.BoxSizer(wx.VERTICAL)
106 hbox = wx.BoxSizer(wx.HORIZONTAL)
109 myform['decim'] = form.int_field(
110 parent=panel, sizer=hbox, label="Decim",
111 callback=myform.check_input_and_call(_form_set_decim, self._set_status_msg))
114 myform['fs@usb'] = form.static_float_field(
115 parent=panel, sizer=hbox, label="Fs@USB")
118 myform['dbname'] = form.static_text_field(
119 parent=panel, sizer=hbox)
122 myform['baseband'] = form.static_float_field(
123 parent=panel, sizer=hbox, label="Analog BB")
126 myform['ddc'] = form.static_float_field(
127 parent=panel, sizer=hbox, label="DDC")
130 vbox.Add(hbox, 0, wx.EXPAND)
134 app = stdgui2.stdapp(app_top_block, "Audio FFT", nstatus=1)
137 if __name__ == '__main__':