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#!/usr/bin/env python
# GUI interactions and high level connections handled here.
#
# Interacts with classes defined by wxGlade in ui.py.
#
# The usual gnuradio copyright boilerplate incorperated here by reference.
#
# 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 usrp
from gnuradio import blks
from gnuradio.wxgui import fftsink
from gnuradio.wxgui import waterfallsink
from gnuradio.wxgui import scopesink
from input import *
from output import *
from ssbdemod import *
from ssbagc import *
from ui import *
from math import log10
class graph( gr.hier_block ):
def __init__( self, fg ):
self.graph = fg
self.fe_decim = 250
self.src = input( self.fe_decim )
self.adc_rate = self.src.adc_rate
self.fe_rate = self.adc_rate / self.fe_decim
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.demod = ssb_demod( fg, self.demod_rate, self.audio_rate )
self.agc = agc( fg )
#self.agc = gr.agc_ff()
self.out = output( fg, self.audio_rate )
fg.connect( self.src.src,
self.demod,
self.agc,
self.out )
gr.hier_block.__init__( self, fg, None, None )
def tune( self, freq ):
fe_target = -freq
self.src.set_freq( fe_target )
fe_freq = self.src.src.rx_freq( 0 )
demod_cf = fe_target - fe_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 = fftsink.fft_sink_c(
self.block.graph,
self.fe_panel,
fft_size=512,
sample_rate = block.fe_rate,
baseband_freq = 0,
average = False,
size = ( 680, 140 ) )
self.ifspectrum = fftsink.fft_sink_c(
self.block.graph,
self.if_panel,
fft_size=512,
sample_rate = block.audio_rate,
baseband_freq = 0,
average = False,
size = ( 680, 140 ) )
em.eventManager.Register( self.fe_mouse,
wx.EVT_MOTION,
self.fespectrum.win )
em.eventManager.Register( self.fe_click,
wx.EVT_LEFT_DOWN,
self.fespectrum.win )
block.graph.connect( block.src.src, self.fespectrum )
block.graph.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.src.set_pga( 0, 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.graph = gr.flow_graph()
self.block = graph( self.graph )
self.frame = radio_frame( self.block, None, -1, "Title" )
self.frame.Show( True )
self.SetTopWindow( self.frame )
return True
a=radio( 0 )
l=gr.probe_signal_f()
#l=gr.probe_avg_mag_sqrd_f(1,.001)
a.graph.connect(a.block.agc.offs,l )
#a.graph.connect(a.block.demod,l)
def main_function():
global a
a.MainLoop()
def rssi_function():
global a
global l
while 1:
level = l.level()
wx.CallAfter( a.frame.setrssi, level )
time.sleep( .1 )
thread1 = Thread( target = main_function )
thread2 = Thread( target = rssi_function )
thread1.start()
thread2.start()
a.graph.start()
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