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|
#!/usr/bin/env python
# -*- coding: ANSI_X3.4-1968 -*-
# generated by wxGlade 0.4 on Tue Mar 14 10:16:06 2006
#
# Copyright 2006 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., 51 Franklin Street,
# Boston, MA 02110-1301, USA.
#
#-----------------------------------------------------------------
#
# +-->(fft)
# |
# (src)->(xlate)--+->(audio filter)--+-->(sel_am)-+--------------+
# | | |
# | (pll) |
# | | |
# | (pll_carrier_scale) |
# | | |
# | (pll_carrier_filter) |
# | | |
# | +--(fft2) |
# | | |
# | +--(c2f3)--+ |
# | | | |
# | (phaser1) (phaser2) |
# | | | |
# | +--(f2c)---+ |
# | | V
# V +---------->(am_det)
# (c2f) |
# | (c2f2)
# | |
# +-->(sel_sb)------------>(combine)
# |
# V
# +--------------------------(scale)
# | |
# | |
# | +++
# V | |
# (agc)<--(offset)<--(intr)<---(sqr1)
# |
# V
# (dst)
#
#----------------------------------------------------------------------
#
# Versions 2.2.1 adds loop antenna automatic tuner
#
# 2.3.1 adds web control, made AM Sync display optional,
# added more comments.
#
# 2.4.1 updates usrp interface to support auto subdev
# Web server control disabled by default. Do not enable
# until directory structure and scripts are in place.
WEB_CONTROL = False
# Controls display of AM Sync Carrier - turn off for smaller
# window if not needed
AM_SYNC_DISPLAY = False
import os, wx, sys, math
import wx.lib.evtmgr as em
from gnuradio.wxgui import powermate, fftsink
from gnuradio import gr, audio, eng_notation, usrp, gru
from gnuradio.eng_option import eng_option
from optparse import OptionParser
ID_BUTTON_1 = wx.NewId() # LSB button
ID_BUTTON_2 = wx.NewId() # USB
ID_BUTTON_3 = wx.NewId() # AM
ID_BUTTON_4 = wx.NewId() # CW
ID_BUTTON_5 = wx.NewId() # Powermate controls: Upper audio freq cutoff
ID_BUTTON_6 = wx.NewId() # " Lower audio freq cutoff
ID_BUTTON_7 = wx.NewId() # " Frequency
ID_BUTTON_8 = wx.NewId() # " Volume
ID_BUTTON_9 = wx.NewId() # " Time
ID_BUTTON_10 = wx.NewId() # Time Seek Forwards
ID_BUTTON_11 = wx.NewId() # Time Seek Backwards
ID_BUTTON_12 = wx.NewId() # Automatic Antenna Tune (AT) enable
ID_BUTTON_13 = wx.NewId() # AT Calibrate point
ID_BUTTON_14 = wx.NewId() # AT Reset
ID_TEXT_1 = wx.NewId() # Band Center, USRP ddc Freq
ID_SPIN_1 = wx.NewId() # Frequency display and control
ID_SLIDER_1 = wx.NewId() # Upper audio freq cutoff
ID_SLIDER_2 = wx.NewId() # Lower audio freq cutoff
ID_SLIDER_3 = wx.NewId() # Frequency
ID_SLIDER_4 = wx.NewId() # Volume
ID_SLIDER_5 = wx.NewId() # Programmable Gain Amp, PGA, RF gain
ID_SLIDER_6 = wx.NewId() # AM Sync carrier level
ID_SLIDER_7 = wx.NewId() # AT control voltage output
ID_EXIT = wx.NewId() # Menu Exit
def pick_subdevice(u):
"""
The user didn't specify a subdevice on the command line.
If there's a daughterboard on A, select A.
If there's a daughterboard on B, select B.
Otherwise, select A.
"""
if u.db[0][0].dbid() >= 0: # dbid is < 0 if there's no d'board or a problem
return (0, 0)
if u.db[1][0].dbid() >= 0:
return (1, 0)
return (0, 0)
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.Exit = wx.MenuItem(wxglade_tmp_menu, ID_EXIT, "Exit", "Exit", wx.ITEM_NORMAL)
wxglade_tmp_menu.AppendItem(self.Exit)
self.frame_1_menubar.Append(wxglade_tmp_menu, "File")
# Menu Bar end
self.panel_1 = wx.Panel(self, -1)
self.button_1 = wx.Button(self, ID_BUTTON_1, "LSB")
self.button_2 = wx.Button(self, ID_BUTTON_2, "USB")
self.button_3 = wx.Button(self, ID_BUTTON_3, "AM")
self.button_4 = wx.Button(self, ID_BUTTON_4, "CW")
self.button_5 = wx.ToggleButton(self, ID_BUTTON_5, "Upper")
self.slider_1 = wx.Slider(self, ID_SLIDER_1, 0, -15799, 15799, style=wx.SL_HORIZONTAL|wx.SL_LABELS)
self.button_6 = wx.ToggleButton(self, ID_BUTTON_6, "Lower")
self.slider_2 = wx.Slider(self, ID_SLIDER_2, 0, -15799, 15799, style=wx.SL_HORIZONTAL|wx.SL_LABELS)
self.panel_5 = wx.Panel(self, -1)
self.label_1 = wx.StaticText(self, -1, " Band\nCenter")
self.text_ctrl_1 = wx.TextCtrl(self, ID_TEXT_1, "")
self.panel_6 = wx.Panel(self, -1)
self.panel_7 = wx.Panel(self, -1)
self.panel_2 = wx.Panel(self, -1)
self.button_7 = wx.ToggleButton(self, ID_BUTTON_7, "Freq")
self.slider_3 = wx.Slider(self, ID_SLIDER_3, 3000, 0, 6000)
self.spin_ctrl_1 = wx.SpinCtrl(self, ID_SPIN_1, "", min=0, max=100)
self.button_8 = wx.ToggleButton(self, ID_BUTTON_8, "Vol")
self.slider_4 = wx.Slider(self, ID_SLIDER_4, 0, 0, 500)
self.slider_5 = wx.Slider(self, ID_SLIDER_5, 0, 0, 20)
self.button_9 = wx.ToggleButton(self, ID_BUTTON_9, "Time")
self.button_11 = wx.Button(self, ID_BUTTON_11, "Rew")
self.button_10 = wx.Button(self, ID_BUTTON_10, "Fwd")
self.panel_3 = wx.Panel(self, -1)
self.label_2 = wx.StaticText(self, -1, "PGA ")
self.panel_4 = wx.Panel(self, -1)
self.panel_8 = wx.Panel(self, -1)
self.panel_9 = wx.Panel(self, -1)
self.label_3 = wx.StaticText(self, -1, "AM Sync\nCarrier")
self.slider_6 = wx.Slider(self, ID_SLIDER_6, 50, 0, 200, style=wx.SL_HORIZONTAL|wx.SL_LABELS)
self.label_4 = wx.StaticText(self, -1, "Antenna Tune")
self.slider_7 = wx.Slider(self, ID_SLIDER_7, 1575, 950, 2200, style=wx.SL_HORIZONTAL|wx.SL_LABELS)
self.panel_10 = wx.Panel(self, -1)
self.button_12 = wx.ToggleButton(self, ID_BUTTON_12, "Auto Tune")
self.button_13 = wx.Button(self, ID_BUTTON_13, "Calibrate")
self.button_14 = wx.Button(self, ID_BUTTON_14, "Reset")
self.panel_11 = wx.Panel(self, -1)
self.panel_12 = wx.Panel(self, -1)
self.__set_properties()
self.__do_layout()
# end wxGlade
parser = OptionParser (option_class=eng_option)
parser.add_option ("-c", "--ddc-freq", type="eng_float", default=3.9e6,
help="set Rx DDC frequency to FREQ", metavar="FREQ")
parser.add_option ("-a", "--audio_file", default="",
help="audio output file", metavar="FILE")
parser.add_option ("-r", "--radio_file", default="",
help="radio output file", metavar="FILE")
parser.add_option ("-i", "--input_file", default="",
help="radio input file", metavar="FILE")
parser.add_option ("-d", "--decim", type="int", default=250,
help="USRP decimation")
parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None, help="select USRP Rx side A or B (default=first one with a daughterboard)")
(options, args) = parser.parse_args ()
self.usrp_center = options.ddc_freq
usb_rate = 64e6 / options.decim
self.slider_range = usb_rate * 0.9375
self.f_lo = self.usrp_center - (self.slider_range/2)
self.f_hi = self.usrp_center + (self.slider_range/2)
self.af_sample_rate = 32000
fir_decim = long (usb_rate / self.af_sample_rate)
# data point arrays for antenna tuner
self.xdata = []
self.ydata = []
self.fg = gr.flow_graph()
# radio variables, initial conditions
self.frequency = self.usrp_center
# these map the frequency slider (0-6000) to the actual range
self.f_slider_offset = self.f_lo
self.f_slider_scale = 10000/options.decim
self.spin_ctrl_1.SetRange(self.f_lo,self.f_hi)
self.text_ctrl_1.SetValue(str(int(self.usrp_center)))
self.slider_5.SetValue(0)
self.AM_mode = False
self.slider_3.SetValue((self.frequency-self.f_slider_offset)/self.f_slider_scale)
self.spin_ctrl_1.SetValue(int(self.frequency))
POWERMATE = True
try:
self.pm = powermate.powermate(self)
except:
sys.stderr.write("Unable to find PowerMate or Contour Shuttle\n")
POWERMATE = False
if POWERMATE:
powermate.EVT_POWERMATE_ROTATE(self, self.on_rotate)
powermate.EVT_POWERMATE_BUTTON(self, self.on_pmButton)
self.active_button = 7
# command line options
if options.audio_file == "": SAVE_AUDIO_TO_FILE = False
else: SAVE_AUDIO_TO_FILE = True
if options.radio_file == "": SAVE_RADIO_TO_FILE = False
else: SAVE_RADIO_TO_FILE = True
if options.input_file == "": self.PLAY_FROM_USRP = True
else: self.PLAY_FROM_USRP = False
if self.PLAY_FROM_USRP:
self.src = usrp.source_c(decim_rate=options.decim)
if options.rx_subdev_spec is None:
options.rx_subdev_spec = pick_subdevice(self.src)
self.src.set_mux(usrp.determine_rx_mux_value(self.src, options.rx_subdev_spec))
self.subdev = usrp.selected_subdev(self.src, options.rx_subdev_spec)
self.src.tune(0, self.subdev, self.usrp_center)
self.tune_offset = 0 # -self.usrp_center - self.src.rx_freq(0)
else:
self.src = gr.file_source (gr.sizeof_gr_complex,options.input_file)
self.tune_offset = 2200 # 2200 works for 3.5-4Mhz band
# save radio data to a file
if SAVE_RADIO_TO_FILE:
file = gr.file_sink(gr.sizeof_gr_complex, options.radio_file)
self.fg.connect (self.src, file)
# 2nd DDC
xlate_taps = gr.firdes.low_pass ( \
1.0, usb_rate, 16e3, 4e3, gr.firdes.WIN_HAMMING )
self.xlate = gr.freq_xlating_fir_filter_ccf ( \
fir_decim, xlate_taps, self.tune_offset, usb_rate )
# Complex Audio filter
audio_coeffs = gr.firdes.complex_band_pass (
1.0, # gain
self.af_sample_rate, # sample rate
-3000, # low cutoff
0, # high cutoff
100, # transition
gr.firdes.WIN_HAMMING) # window
self.slider_1.SetValue(0)
self.slider_2.SetValue(-3000)
self.audio_filter = gr.fir_filter_ccc ( 1, audio_coeffs)
# Main +/- 16Khz spectrum display
self.fft = fftsink.fft_sink_c (self.fg, self.panel_2, fft_size=512, sample_rate=self.af_sample_rate, average=True, size=(640,240))
# AM Sync carrier
if AM_SYNC_DISPLAY:
self.fft2 = fftsink.fft_sink_c (self.fg, self.panel_9, y_per_div=20, fft_size=512, sample_rate=self.af_sample_rate, average=True, size=(640,240))
c2f = gr.complex_to_float()
# AM branch
self.sel_am = gr.multiply_const_cc(0)
# the following frequencies turn out to be in radians/sample
# gr.pll_refout_cc(alpha,beta,min_freq,max_freq)
# suggested alpha = X, beta = .25 * X * X
pll = gr.pll_refout_cc(.5,.0625,(2.*math.pi*7.5e3/self.af_sample_rate),(2.*math.pi*6.5e3/self.af_sample_rate))
self.pll_carrier_scale = gr.multiply_const_cc(complex(10,0))
am_det = gr.multiply_cc()
# these are for converting +7.5kHz to -7.5kHz
# for some reason gr.conjugate_cc() adds noise ??
c2f2 = gr.complex_to_float()
c2f3 = gr.complex_to_float()
f2c = gr.float_to_complex()
phaser1 = gr.multiply_const_ff(1)
phaser2 = gr.multiply_const_ff(-1)
# filter for pll generated carrier
pll_carrier_coeffs = gr.firdes.complex_band_pass (
2.0, # gain
self.af_sample_rate, # sample rate
7400, # low cutoff
7600, # high cutoff
100, # transition
gr.firdes.WIN_HAMMING) # window
self.pll_carrier_filter = gr.fir_filter_ccc ( 1, pll_carrier_coeffs)
self.sel_sb = gr.multiply_const_ff(1)
combine = gr.add_ff()
#AGC
sqr1 = gr.multiply_ff()
intr = gr.iir_filter_ffd ( [.004, 0], [0, .999] )
offset = gr.add_const_ff(1)
agc = gr.divide_ff()
self.scale = gr.multiply_const_ff(0.00001)
dst = audio.sink(long(self.af_sample_rate))
self.fg.connect(self.src,self.xlate,self.fft)
self.fg.connect(self.xlate,self.audio_filter,self.sel_am,(am_det,0))
self.fg.connect(self.sel_am,pll,self.pll_carrier_scale,self.pll_carrier_filter,c2f3)
self.fg.connect((c2f3,0),phaser1,(f2c,0))
self.fg.connect((c2f3,1),phaser2,(f2c,1))
self.fg.connect(f2c,(am_det,1))
self.fg.connect(am_det,c2f2,(combine,0))
self.fg.connect(self.audio_filter,c2f,self.sel_sb,(combine,1))
if AM_SYNC_DISPLAY:
self.fg.connect(self.pll_carrier_filter,self.fft2)
self.fg.connect(combine,self.scale)
self.fg.connect(self.scale,(sqr1,0))
self.fg.connect(self.scale,(sqr1,1))
self.fg.connect(sqr1, intr, offset, (agc, 1))
self.fg.connect(self.scale,(agc, 0))
self.fg.connect(agc,dst)
if SAVE_AUDIO_TO_FILE:
f_out = gr.file_sink(gr.sizeof_short,options.audio_file)
sc1 = gr.multiply_const_ff(64000)
f2s1 = gr.float_to_short()
self.fg.connect(agc,sc1,f2s1,f_out)
self.fg.start()
# for mouse position reporting on fft display
em.eventManager.Register(self.Mouse, wx.EVT_MOTION, self.fft.win)
# and left click to re-tune
em.eventManager.Register(self.Click, wx.EVT_LEFT_DOWN, self.fft.win)
# start a timer to check for web commands
if WEB_CONTROL:
self.timer = UpdateTimer(self, 1000) # every 1000 mSec, 1 Sec
wx.EVT_BUTTON(self,ID_BUTTON_1,self.set_lsb)
wx.EVT_BUTTON(self,ID_BUTTON_2,self.set_usb)
wx.EVT_BUTTON(self,ID_BUTTON_3,self.set_am)
wx.EVT_BUTTON(self,ID_BUTTON_4,self.set_cw)
wx.EVT_BUTTON(self,ID_BUTTON_10,self.fwd)
wx.EVT_BUTTON(self,ID_BUTTON_11,self.rew)
wx.EVT_BUTTON(self, ID_BUTTON_13, self.AT_calibrate)
wx.EVT_BUTTON(self, ID_BUTTON_14, self.AT_reset)
wx.EVT_TOGGLEBUTTON(self,ID_BUTTON_5,self.on_button)
wx.EVT_TOGGLEBUTTON(self,ID_BUTTON_6,self.on_button)
wx.EVT_TOGGLEBUTTON(self,ID_BUTTON_7,self.on_button)
wx.EVT_TOGGLEBUTTON(self,ID_BUTTON_8,self.on_button)
wx.EVT_TOGGLEBUTTON(self,ID_BUTTON_9,self.on_button)
wx.EVT_SLIDER(self,ID_SLIDER_1,self.set_filter)
wx.EVT_SLIDER(self,ID_SLIDER_2,self.set_filter)
wx.EVT_SLIDER(self,ID_SLIDER_3,self.slide_tune)
wx.EVT_SLIDER(self,ID_SLIDER_4,self.set_volume)
wx.EVT_SLIDER(self,ID_SLIDER_5,self.set_pga)
wx.EVT_SLIDER(self,ID_SLIDER_6,self.am_carrier)
wx.EVT_SLIDER(self,ID_SLIDER_7,self.antenna_tune)
wx.EVT_SPINCTRL(self,ID_SPIN_1,self.spin_tune)
wx.EVT_MENU(self, ID_EXIT, self.TimeToQuit)
def __set_properties(self):
# begin wxGlade: MyFrame.__set_properties
self.SetTitle("HF Explorer 2")
self.slider_1.SetMinSize((450, 38))
self.slider_2.SetMinSize((450, 38))
self.panel_2.SetMinSize((640, 240))
self.button_7.SetValue(1)
self.slider_3.SetMinSize((450, 19))
self.slider_4.SetMinSize((275, 19))
self.slider_5.SetMinSize((275, 19))
if AM_SYNC_DISPLAY:
self.panel_9.SetMinSize((640, 240))
self.slider_6.SetMinSize((300, 38))
self.slider_7.SetMinSize((400, 38))
# end wxGlade
def __do_layout(self):
# begin wxGlade: MyFrame.__do_layout
sizer_1 = wx.BoxSizer(wx.VERTICAL)
grid_sizer_1 = wx.FlexGridSizer(11, 2, 0, 0)
sizer_7 = wx.BoxSizer(wx.HORIZONTAL)
sizer_5 = wx.BoxSizer(wx.HORIZONTAL)
sizer_4 = wx.BoxSizer(wx.HORIZONTAL)
sizer_3 = wx.BoxSizer(wx.HORIZONTAL)
sizer_6 = wx.BoxSizer(wx.VERTICAL)
sizer_2 = wx.BoxSizer(wx.HORIZONTAL)
grid_sizer_1.Add(self.panel_1, 1, wx.EXPAND, 0)
sizer_2.Add(self.button_1, 0, wx.ADJUST_MINSIZE, 0)
sizer_2.Add(self.button_2, 0, wx.ADJUST_MINSIZE, 0)
sizer_2.Add(self.button_3, 0, wx.ADJUST_MINSIZE, 0)
sizer_2.Add(self.button_4, 0, wx.ADJUST_MINSIZE, 0)
grid_sizer_1.Add(sizer_2, 1, wx.EXPAND, 0)
grid_sizer_1.Add(self.button_5, 0, wx.ADJUST_MINSIZE, 0)
grid_sizer_1.Add(self.slider_1, 0, wx.ALIGN_CENTER_HORIZONTAL|wx.ADJUST_MINSIZE, 0)
grid_sizer_1.Add(self.button_6, 0, wx.ADJUST_MINSIZE, 0)
grid_sizer_1.Add(self.slider_2, 0, wx.ALIGN_CENTER_HORIZONTAL|wx.ADJUST_MINSIZE, 0)
sizer_6.Add(self.panel_5, 1, wx.EXPAND, 0)
sizer_6.Add(self.label_1, 0, wx.ALIGN_CENTER_HORIZONTAL|wx.ADJUST_MINSIZE, 0)
sizer_6.Add(self.text_ctrl_1, 0, wx.ADJUST_MINSIZE, 0)
sizer_6.Add(self.panel_6, 1, wx.EXPAND, 0)
sizer_6.Add(self.panel_7, 1, wx.EXPAND, 0)
grid_sizer_1.Add(sizer_6, 1, wx.EXPAND, 0)
grid_sizer_1.Add(self.panel_2, 1, wx.EXPAND, 0)
grid_sizer_1.Add(self.button_7, 0, wx.ADJUST_MINSIZE, 0)
sizer_3.Add(self.slider_3, 0, wx.ADJUST_MINSIZE, 0)
sizer_3.Add(self.spin_ctrl_1, 0, wx.ADJUST_MINSIZE, 0)
grid_sizer_1.Add(sizer_3, 1, wx.EXPAND, 0)
grid_sizer_1.Add(self.button_8, 0, wx.ADJUST_MINSIZE, 0)
sizer_4.Add(self.slider_4, 0, wx.ADJUST_MINSIZE, 0)
sizer_4.Add(self.slider_5, 0, wx.ADJUST_MINSIZE, 0)
grid_sizer_1.Add(sizer_4, 1, wx.EXPAND, 0)
grid_sizer_1.Add(self.button_9, 0, wx.ADJUST_MINSIZE, 0)
sizer_5.Add(self.button_11, 0, wx.ADJUST_MINSIZE, 0)
sizer_5.Add(self.button_10, 0, wx.ADJUST_MINSIZE, 0)
sizer_5.Add(self.panel_3, 1, wx.EXPAND, 0)
sizer_5.Add(self.label_2, 0, wx.ADJUST_MINSIZE, 0)
sizer_5.Add(self.panel_4, 1, wx.EXPAND, 0)
grid_sizer_1.Add(sizer_5, 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.label_3, 0, wx.ALIGN_CENTER_HORIZONTAL|wx.ALIGN_CENTER_VERTICAL|wx.ADJUST_MINSIZE, 0)
grid_sizer_1.Add(self.slider_6, 0, wx.ADJUST_MINSIZE, 0)
grid_sizer_1.Add(self.label_4, 0, wx.ALIGN_BOTTOM|wx.ADJUST_MINSIZE, 0)
grid_sizer_1.Add(self.slider_7, 0, wx.ADJUST_MINSIZE, 0)
grid_sizer_1.Add(self.panel_10, 1, wx.EXPAND, 0)
sizer_7.Add(self.button_12, 0, wx.ADJUST_MINSIZE, 0)
sizer_7.Add(self.button_13, 0, wx.ADJUST_MINSIZE, 0)
sizer_7.Add(self.button_14, 0, wx.ADJUST_MINSIZE, 0)
sizer_7.Add(self.panel_11, 1, wx.EXPAND, 0)
sizer_7.Add(self.panel_12, 1, wx.EXPAND, 0)
grid_sizer_1.Add(sizer_7, 1, wx.EXPAND, 0)
sizer_1.Add(grid_sizer_1, 1, wx.EXPAND, 0)
self.SetAutoLayout(True)
self.SetSizer(sizer_1)
sizer_1.Fit(self)
sizer_1.SetSizeHints(self)
self.Layout()
# end wxGlade
# Menu exit
def TimeToQuit(self, event):
self.fg.stop()
self.Close(True)
# Powermate being turned
def on_rotate(self, event):
if self.active_button == 5:
self.slider_1.SetValue(self.slider_1.GetValue()+event.delta)
if self.slider_2.GetValue() > (self.slider_1.GetValue() - 200) :
self.slider_2.SetValue(self.slider_1.GetValue() - 200)
self.filter()
if self.active_button == 6:
self.slider_2.SetValue(self.slider_2.GetValue()+event.delta)
if self.slider_1.GetValue() < (self.slider_2.GetValue() + 200) :
self.slider_1.SetValue(self.slider_2.GetValue() + 200)
self.filter()
if self.active_button == 7:
new = max(0, min(6000, self.slider_3.GetValue() + event.delta))
self.slider_3.SetValue(new)
self.frequency = (self.f_slider_scale * new) + self.f_slider_offset
self.spin_ctrl_1.SetValue(self.frequency)
if self.AM_mode == False:
self.xlate.set_center_freq( self.usrp_center - (self.frequency - self.tune_offset))
else:
self.xlate.set_center_freq( self.usrp_center - (self.frequency - self.tune_offset - 7.5e3))
if self.button_12.GetValue():
self.auto_antenna_tune()
if self.active_button == 8:
new = max(0, min(500, self.slider_4.GetValue() + event.delta))
self.slider_4.SetValue(new)
self.scale.set_k(math.pow(10.,((self.slider_4.GetValue()-500.)/100.)))
if self.active_button == 9:
if self.PLAY_FROM_USRP == False:
if event.delta == -1:
self.src.seek(-1000000,gr.SEEK_CUR)
elif event.delta == 1:
self.src.seek(1000000,gr.SEEK_CUR)
# Powermate pressed to switch controlled function
def on_pmButton(self, event):
if event.value == 0:
if self.active_button == 5:
self.active_button = 6
self.button_5.SetValue(False)
self.button_6.SetValue(True)
elif self.active_button == 6:
self.active_button = 7
self.button_6.SetValue(False)
self.button_7.SetValue(True)
elif self.active_button == 7:
self.active_button = 8
self.button_7.SetValue(False)
self.button_8.SetValue(True)
elif self.active_button == 8:
self.active_button = 9
self.button_8.SetValue(False)
self.button_9.SetValue(True)
elif self.active_button == 9:
self.active_button = 5
self.button_9.SetValue(False)
self.button_5.SetValue(True)
# Clicking one PM control button turns the rest off
def on_button(self, event):
id = event.GetId()
if id == ID_BUTTON_5:
self.active_button = 5
self.button_6.SetValue(False)
self.button_7.SetValue(False)
self.button_8.SetValue(False)
self.button_9.SetValue(False)
if id == ID_BUTTON_6:
self.active_button = 6
self.button_5.SetValue(False)
self.button_7.SetValue(False)
self.button_8.SetValue(False)
self.button_9.SetValue(False)
if id == ID_BUTTON_7:
self.active_button = 7
self.button_5.SetValue(False)
self.button_6.SetValue(False)
self.button_8.SetValue(False)
self.button_9.SetValue(False)
if id == ID_BUTTON_8:
self.active_button = 8
self.button_5.SetValue(False)
self.button_6.SetValue(False)
self.button_7.SetValue(False)
self.button_9.SetValue(False)
if id == ID_BUTTON_9:
self.active_button = 9
self.button_5.SetValue(False)
self.button_6.SetValue(False)
self.button_7.SetValue(False)
self.button_8.SetValue(False)
# Make sure filter settings are legal
def set_filter(self, event):
slider = event.GetId()
slider1 = self.slider_1.GetValue()
slider2 = self.slider_2.GetValue()
if slider == ID_SLIDER_1:
if slider2 > (self.slider_1.GetValue() - 200) :
self.slider_2.SetValue(slider1 - 200)
elif slider == ID_SLIDER_2:
if slider1 < (self.slider_2.GetValue() + 200) :
self.slider_1.SetValue(slider2 + 200)
self.filter()
# Calculate taps and apply
def filter(self):
audio_coeffs = gr.firdes.complex_band_pass (
1.0, # gain
self.af_sample_rate, # sample rate
self.slider_2.GetValue(), # low cutoff
self.slider_1.GetValue(), # high cutoff
100, # transition
gr.firdes.WIN_HAMMING) # window
self.audio_filter.set_taps(audio_coeffs)
def set_lsb(self, event):
self.AM_mode = False
self.xlate.set_center_freq( self.usrp_center - (self.frequency - self.tune_offset))
self.sel_sb.set_k(1)
self.sel_am.set_k(0)
self.slider_1.SetValue(0)
self.slider_2.SetValue(-3000)
self.filter()
def set_usb(self, event):
self.AM_mode = False
self.xlate.set_center_freq( self.usrp_center - (self.frequency - self.tune_offset))
self.sel_sb.set_k(1)
self.sel_am.set_k(0)
self.slider_1.SetValue(3000)
self.slider_2.SetValue(0)
self.filter()
def set_am(self, event):
self.AM_mode = True
self.xlate.set_center_freq( self.usrp_center - (self.frequency - self.tune_offset - 7.5e3))
self.sel_sb.set_k(0)
self.sel_am.set_k(1)
self.slider_1.SetValue(12500)
self.slider_2.SetValue(2500)
self.filter()
def set_cw(self, event):
self.AM_mode = False
self.xlate.set_center_freq( self.usrp_center - (self.frequency - self.tune_offset))
self.AM_mode = False
self.sel_sb.set_k(1)
self.sel_am.set_k(0)
self.slider_1.SetValue(-400)
self.slider_2.SetValue(-800)
self.filter()
def set_volume(self, event):
self.scale.set_k(math.pow(10.,((self.slider_4.GetValue()-500.)/100.)))
def set_pga(self,event):
if self.PLAY_FROM_USRP:
self.subdev.set_gain(self.slider_5.GetValue())
def slide_tune(self, event):
self.frequency = (self.f_slider_scale * self.slider_3.GetValue()) + self.f_slider_offset
if self.AM_mode == False:
self.xlate.set_center_freq( self.usrp_center - (self.frequency - self.tune_offset))
else:
self.xlate.set_center_freq( self.usrp_center - (self.frequency - self.tune_offset - 7.5e3))
self.spin_ctrl_1.SetValue(self.frequency)
if self.button_12.GetValue():
self.auto_antenna_tune()
def spin_tune(self, event):
self.frequency = self.spin_ctrl_1.GetValue()
if self.AM_mode == False:
self.xlate.set_center_freq( self.usrp_center - (self.frequency - self.tune_offset))
else:
self.xlate.set_center_freq( self.usrp_center - (self.frequency - self.tune_offset - 7.5e3))
self.slider_3.SetValue(int((self.frequency-self.f_slider_offset)/self.f_slider_scale))
if self.button_12.GetValue():
self.auto_antenna_tune()
# Seek forwards in file
def fwd(self, event):
if self.PLAY_FROM_USRP == False:
self.src.seek(10000000,gr.SEEK_CUR)
# Seek backwards in file
def rew(self, event):
if self.PLAY_FROM_USRP == False:
self.src.seek(-10000000,gr.SEEK_CUR)
# Mouse over fft display - show frequency in tooltip
def Mouse(self,event):
if self.AM_mode:
fRel = ( event.GetX() - 330. ) / 14.266666 - 7.5
else:
fRel = ( event.GetX() - 330. ) / 14.266666
self.fft.win.SetToolTip(wx.ToolTip(eng_notation.num_to_str(self.frequency + (fRel*1e3))))
# Mouse clicked on fft display - change frequency
def Click(self,event):
fRel = ( event.GetX() - 330. ) / 14.266666
if self.AM_mode == False:
self.frequency = self.frequency + (fRel*1e3)
else:
self.frequency = self.frequency + (fRel*1e3) - 7.5e3
self.spin_ctrl_1.SetValue(int(self.frequency))
self.slider_3.SetValue(int((self.frequency-self.f_slider_offset)/self.f_slider_scale))
if self.AM_mode == False:
self.xlate.set_center_freq ( self.usrp_center - ( self.frequency - self.tune_offset ))
else:
self.xlate.set_center_freq( self.usrp_center - (self.frequency - self.tune_offset - 7.5e3))
# Set power of AM sync carrier
def am_carrier(self,event):
scale = math.pow(10,(self.slider_6.GetValue())/50.)
self.pll_carrier_scale.set_k(complex(scale,0))
# Reset AT data and start calibrate over
def AT_reset(self, event):
self.xdata = []
self.ydata = []
# Save AT setting for a particular frequency
def AT_calibrate(self, event):
self.xdata.append(float(self.frequency))
self.ydata.append(self.slider_7.GetValue())
if len(self.xdata) > 1:
self.m = []
self.b = []
for i in range(0,len(self.xdata)-1):
self.m.append( (self.ydata[i+1] - self.ydata[i]) / (self.xdata[i+1] - self.xdata[i]) )
self.b.append( self.ydata[i] - self.m[i] * self.xdata[i] )
# Lookup calibrated points and calculate interpolated antenna tune voltage.
# This is to automatically tune a narrowband loop antenna when the freq
# is changed, to keep signals peaked.
def auto_antenna_tune(self):
for i in range(0,len(self.xdata)-1):
if (self.frequency > self.xdata[i]) & (self.frequency < self.xdata[i+1]):
self.slider_7.SetValue(self.m[i]*self.frequency + self.b[i])
self.antenna_tune(0)
# Slider to set loop antenna capacitance
def antenna_tune(self, evt):
if self.PLAY_FROM_USRP:
self.src.write_aux_dac(0,3,self.slider_7.GetValue())
# Timer events - check for web commands
def OnUpdate(self):
cmds = os.listdir("/var/www/cgi-bin/commands/")
if cmds!=[]:
if cmds[0]=='chfreq':
fd=open("/var/www/cgi-bin/commands/chfreq","r")
new=fd.readline()
fd.close()
if new!='':
os.unlink("/var/www/cgi-bin/commands/chfreq")
if ( int(new) >= self.f_lo ) & ( int(new) <= self.f_hi ):
self.frequency = int(new)
self.slider_3.SetValue(( self.frequency - self.f_slider_offset) / self.f_slider_scale )
self.spin_ctrl_1.SetValue(self.frequency)
if self.button_12.GetValue():
self.auto_antenna_tune()
if self.AM_mode:
self.xlate.set_center_freq ( self.usrp_center - ( self.frequency - self.tune_offset - 7.5e3 ))
else:
self.xlate.set_center_freq ( self.usrp_center - ( self.frequency - self.tune_offset ))
if cmds[0]=='chvolume':
fd=open("/var/www/cgi-bin/commands/chvolume","r")
new=fd.readline()
fd.close()
if new!='':
os.unlink("/var/www/cgi-bin/commands/chvolume")
if ( int(new) >= 0 ) & ( int(new) <= 500 ):
self.volume = int(new)
self.slider_4.SetValue(self.volume)
self.scale.set_k(math.pow(10.,((self.slider_4.GetValue()-500.)/100.)))
else: # no new web commands, update state
fh = open("/var/www/cgi-bin/state/freq","w")
fh.write(str(int(self.frequency))+'\n')
fh.close()
fh = open("/var/www/cgi-bin/state/volume","w")
fh.write(str(self.slider_4.GetValue())+'\n')
fh.close()
# end of class MyFrame
# wx.Timer to check for web updates
class UpdateTimer(wx.Timer):
def __init__(self, target, dur=1000):
wx.Timer.__init__(self)
self.target = target
self.Start(dur)
def Notify(self):
"""Called every timer interval"""
if self.target:
self.target.OnUpdate()
class MyApp(wx.App):
def OnInit(self):
frame = MyFrame(None, -1, "HF Explorer 2")
frame.Show(True)
self.SetTopWindow(frame)
return True
app = MyApp(0)
app.MainLoop()
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