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#!/usr/bin/env python
#
# Copyright 2011 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 3, 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., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
# GUI interactions and high level connections handled here.
#
# Interacts with classes defined by wxGlade in ui.py.
#
# M. Revnell 2006-Jan
from threading import *
import wx
import wx.lib.evtmgr as em
import time
from gnuradio import gr, gru, eng_notation, optfir
from gnuradio import audio
from gnuradio import uhd
from gnuradio import blks2
from gnuradio.wxgui import fftsink2
from gnuradio.wxgui import waterfallsink2
from gnuradio.wxgui import scopesink2
from input import *
from output import *
from ssbdemod import *
from ssbagc import *
from ui import *
from math import log10
class radio_top_block( gr.top_block ):
def __init__( self ):
gr.top_block.__init__(self, "radio_top_block")
self.address = "addr=192.168.11.2"
self.samp_rate = 256e3
self.freq = -2.5e6
self.gain = 0
self.src = uhd_input( self.address,
self.samp_rate)
self.src.set_freq(self.freq)
self.src.set_gain(self.gain)
self.fe_rate = self.src.usrp_rate
self.filter_decim = 1
self.audio_decim = 16
self.demod_rate = self.fe_rate / self.filter_decim
self.audio_rate = self.demod_rate / self.audio_decim
self.audio_dev = "pulse"
self.demod = ssb_demod( self.demod_rate, self.audio_rate )
self.agc = agc()
self.out = output( self.audio_rate, self.audio_dev )
self.connect( self.src, self.demod, self.agc, self.out )
def tune( self, freq ):
fe_target = -freq
self.src.set_freq( fe_target )
demod_cf = fe_target - self.src.get_freq()
self.demod.tune( demod_cf )
class radio_frame( ui_frame ):
def __init__( self, block, *args, **kwds ):
ui_frame.__init__( self, *args, **kwds )
self.block = block
self.freq_disp.SetRange(0, 30e6)
f = self.block.src.freq
self.freq_disp.SetValue( -f )
self.volume.SetRange( 0, 20 )
self.pga.SetRange( 0, 20 )
self.rssi_range = 1
self.rssi.SetRange( self.rssi_range )
self.agc_max.SetValue( str( self.rssi_range ) )
self.spin_e0.SetValue( 50 )
self.spin_e1.SetValue( 50 )
self.spin_e2.SetValue( 50 )
self.spin_e3.SetValue( 50 )
self.spin_e4.SetValue( 50 )
self.spin_e5.SetValue( 50 )
self.spin_e6.SetValue( 50 )
bw = 3.3e3
self.bandwidth.SetValue( str( bw ) )
self.block.demod.set_bw( bw )
self.bw_spin.SetValue( 5 )
agc_gain = self.block.agc.gain.k()
self.agc_gain_s.SetValue( 5 )
self.agc_gain.SetValue( str( agc_gain ) )
agc_ref = self.block.agc.offs.k()
self.agc_ref.SetValue( str( agc_ref ) )
self.agc_ref_s.SetValue( 5 )
self.fespectrum = fftsink2.fft_sink_c(
self.fe_panel,
fft_size=512,
sample_rate = block.fe_rate,
ref_scale = 1.0,
ref_level = 20.0,
y_divs = 12,
avg_alpha = 0.1)
self.ifspectrum = fftsink2.fft_sink_c(
self.if_panel,
fft_size=512,
sample_rate = block.audio_rate,
ref_scale = 1.0,
ref_level = 20.0,
y_divs = 12,
avg_alpha = 0.1)
self.fespectrum.win.Bind( wx.EVT_MOTION, self.fe_mouse)
self.fespectrum.win.Bind( wx.EVT_LEFT_DOWN, self.fe_click)
block.connect( block.src.src, self.fespectrum )
block.connect( block.demod.xlate, self.ifspectrum )
def agc_ref_up( self, event ):
self.agc_ref_s.SetValue( 5 )
r = float( self.agc_ref.GetValue() )
r = r + 5
self.agc_ref.SetValue( str( r ) )
self.block.agc.offs.set_k( r )
def agc_ref_down( self, event ):
self.agc_ref_s.SetValue( 5 )
r = float( self.agc_ref.GetValue() )
r = r - 5
self.agc_ref.SetValue( str( r ) )
self.block.agc.offs.set_k( r )
def agc_gain_up( self, event ):
self.agc_gain_s.SetValue( 5 )
g = float(self.agc_gain.GetValue())
g = g + 10
self.agc_gain.SetValue( str( g ) )
self.block.agc.gain.set_k( g )
def agc_gain_down( self, event ):
self.agc_gain_s.SetValue( 5 )
g = float(self.agc_gain.GetValue())
g = g - 10
self.agc_gain.SetValue( str( g ) )
self.block.agc.gain.set_k( g )
def fe_mouse( self, event ):
f = int(self.freq_disp.GetValue())
f = f+((event.GetX()-346.)*(400./610.))*1000
self.fespectrum.win.SetToolTip(
wx.ToolTip( eng_notation.num_to_str(f)))
def fe_click( self, event ):
f = int(self.freq_disp.GetValue())
f = f+((event.GetX()-346.)*(400./610.))*1000
self.tune( f )
def setrssi( self, level ):
if level < 0:
level = 0
if level > self.rssi_range:
self.rssi_range = level
self.rssi.SetRange( level )
self.agc_max.SetValue( str( level ))
self.rssi.SetValue( level )
self.agc_level.SetValue( str( level ))
def tune_evt( self, event ):
f = self.freq_disp.GetValue()
self.tune( f )
def tune( self, frequency ):
self.freq_disp.SetValue( frequency )
self.block.tune( frequency )
def up_e0( self, event ):
self.spin_e0.SetValue( 50 )
self.tune( self.freq_disp.GetValue() + 1e0 )
def down_e0( self, event ):
self.spin_e0.SetValue( 50 )
self.tune( self.freq_disp.GetValue() - 1e0 )
def up_e1( self, event ):
self.spin_e1.SetValue( 50 )
self.tune( self.freq_disp.GetValue() + 1e1 )
def down_e1( self, event ):
self.spin_e1.SetValue( 50 )
self.tune( self.freq_disp.GetValue() - 1e1 )
def up_e2( self, event ):
self.spin_e2.SetValue( 50 )
self.tune( self.freq_disp.GetValue() + 1e2 )
def down_e2( self, event ):
self.spin_e2.SetValue( 50 )
self.tune( self.freq_disp.GetValue() - 1e2 )
def up_e3( self, event ):
self.spin_e3.SetValue( 50 )
self.tune( self.freq_disp.GetValue() + 1e3 )
def down_e3( self, event ):
self.spin_e3.SetValue( 50 )
self.tune( self.freq_disp.GetValue() - 1e3 )
def up_e4( self, event ):
self.spin_e4.SetValue( 50 )
self.tune( self.freq_disp.GetValue() + 1e4 )
def down_e4( self, event ):
self.spin_e4.SetValue( 50 )
self.tune( self.freq_disp.GetValue() - 1e4 )
def up_e5( self, event ):
self.spin_e5.SetValue( 50 )
self.tune( self.freq_disp.GetValue() + 1e5 )
def down_e5( self, event ):
self.spin_e5.SetValue( 50 )
self.tune( self.freq_disp.GetValue() - 1e5 )
def up_e6( self, event ):
self.spin_e6.SetValue( 50 )
self.tune( self.freq_disp.GetValue() + 1e6 )
def down_e6( self, event ):
self.spin_e6.SetValue( 50 )
self.tune( self.freq_disp.GetValue() - 1e6 )
def event_pga( self, event ):
self.block.src.set_gain(self.pga.GetValue())
def event_vol( self, event ):
self.block.out.set( self.volume.GetValue()/20.0 )
def set_usb( self, event ):
self.block.demod.upper_sb()
def set_lsb( self, event ):
self.block.demod.lower_sb()
def set_am( self, event ):
self.block.demod.set_am()
def bw_up( self, event ):
self.bw_spin.SetValue( 5 )
bw = float(self.bandwidth.GetValue())
bw = bw + 20.0
if bw > 10e3:
bw = 10e3
self.bandwidth.SetValue( str( bw ) )
self.block.demod.set_bw( bw )
def bw_down( self, event ):
self.bw_spin.SetValue( 5 )
bw = float(self.bandwidth.GetValue())
bw = bw - 20.0
if bw < 50:
bw = 50
self.bandwidth.SetValue( str( bw ) )
self.block.demod.set_bw( bw )
class radio( wx.App ):
def OnInit( self ):
self.block = radio_top_block()
self.frame = radio_frame( self.block, None, -1, "HF Receiver" )
self.frame.Show( True )
self.SetTopWindow( self.frame )
self.block.start()
return True
def rssi_function():
global radio_obj
global sig_probe
go = True
while go:
try:
level = sig_probe.level()
wx.CallAfter( radio_obj.frame.setrssi, level )
time.sleep( .1 )
except:
go = False
def main():
global radio_obj, sig_probe
radio_obj = radio( 0 )
sig_probe = gr.probe_signal_f()
radio_obj.block.connect(radio_obj.block.agc.offs, sig_probe)
thread2 = Thread( target = rssi_function )
thread2.start()
radio_obj.MainLoop()
if __name__ == "__main__":
main()
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