#!/usr/bin/env python
#
# Copyright 2004 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.
# 

# fft example from http://comsec.com/wiki?AudioSpectrumDisplay 
# with ALSA and Bt878a parameters.
# 08/2005 domenech.org
  
from gnuradio import gr
from gnuradio import audio
from gnuradio.wxgui import stdgui, scopesink
import wx
from gnuradio.wxgui import fftsink

samplfreq=896000

class app_flow_graph (stdgui.gui_flow_graph):
    def __init__(self, frame, panel, vbox, argv):
        stdgui.gui_flow_graph.__init__ (self, frame, panel, vbox, argv)

        src = audio.source (samplfreq, "hw:1,1")
        print src.relative_rate()
        print src.detail()

        sink, win = fftsink.make_fft_sink_f (self, panel, "Audio Spectrum Bt878a", 1024, samplfreq, -80, 0)
	print win.GetEnableZoom()
	win.SetEnableZoom(0)
        print win.GetYSpec()
        print win.GetXSpec()
        print win.GetBackgroundColour()
        win.SetBackgroundColour((0,0,0))
        print win.GetBackgroundColour()
        print win.y_range
        vbox.Add (win, 1, wx.EXPAND)

        self.connect (src,sink)

def main ():
    app = stdgui.stdapp (app_flow_graph, "Spectrum Analyzer")
    app.MainLoop ()

if __name__ == '__main__':
    main ()