forked from sdr/gr-osmosdr
apps: add spectrum browser and signal generator
usage examples: osmocom_fft -a "rtl=0" -f 100e6 -s 2.4e6 -g 15 osmocom_siggen_gui -a "hackrf=0" -s 5e6 -f 100e6 --sine osmocom_siggen_gui -a "hackrf=0" -s 5e6 -f 100e6 --sweep -x 2M -y 1 -c34 known issues: - switching between siggen modes is broken at the moment (WIP) and has to be made via cli switches only. - filter bandwidth controls have no effect for TX (this has to be investigated)
This commit is contained in:
parent
a5bdb27240
commit
a31ea525fb
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@ -20,6 +20,15 @@
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include(GrPython)
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GR_PYTHON_INSTALL(
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PROGRAMS
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DESTINATION bin
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FILES
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osmocom_siggen_base.py
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DESTINATION ${GR_PYTHON_DIR}/osmosdr
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)
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GR_PYTHON_INSTALL(
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PROGRAMS
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osmocom_fft
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osmocom_siggen
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osmocom_siggen_gui
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DESTINATION ${GR_RUNTIME_DIR}
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)
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#!/usr/bin/env python
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#
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# Copyright 2012 Free Software Foundation, Inc.
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#
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# This file is part of GNU Radio
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#
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# GNU Radio is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GNU Radio is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with GNU Radio; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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#
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import osmosdr
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from gnuradio import gr, gru
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from gnuradio import eng_notation
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from gnuradio.eng_option import eng_option
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from optparse import OptionParser
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import sys
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import numpy
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try:
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from gnuradio.wxgui import stdgui2, form, slider
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from gnuradio.wxgui import forms
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from gnuradio.wxgui import fftsink2, waterfallsink2, scopesink2
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import wx
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except ImportError:
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sys.stderr.write("Error importing GNU Radio's wxgui. Please make sure gr-wxgui is installed.\n")
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sys.exit(1)
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class app_top_block(stdgui2.std_top_block):
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def __init__(self, frame, panel, vbox, argv):
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stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
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self.frame = frame
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self.panel = panel
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parser = OptionParser(option_class=eng_option)
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parser.add_option("-a", "--args", type="string", default="",
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help="device args, [default=%default]")
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parser.add_option("-A", "--antenna", type="string", default=None,
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help="select Rx Antenna where appropriate")
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parser.add_option("-s", "--samp-rate", type="eng_float", default=1e6,
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help="set sample rate (bandwidth) [default=%default]")
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parser.add_option("-f", "--freq", type="eng_float", default=None,
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help="set frequency to FREQ", metavar="FREQ")
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parser.add_option("-g", "--gain", type="eng_float", default=None,
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help="set gain in dB (default is midpoint)")
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parser.add_option("-W", "--waterfall", action="store_true", default=False,
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help="Enable waterfall display")
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parser.add_option("-S", "--oscilloscope", action="store_true", default=False,
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help="Enable oscilloscope display")
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parser.add_option("", "--avg-alpha", type="eng_float", default=1e-1,
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help="Set fftsink averaging factor, default=[%default]")
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parser.add_option ("", "--averaging", action="store_true", default=False,
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help="Enable fftsink averaging, default=[%default]")
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parser.add_option("", "--ref-scale", type="eng_float", default=1.0,
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help="Set dBFS=0dB input value, default=[%default]")
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parser.add_option("", "--fft-size", type="int", default=1024,
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help="Set number of FFT bins [default=%default]")
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parser.add_option("", "--fft-rate", type="int", default=30,
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help="Set FFT update rate, [default=%default]")
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(options, args) = parser.parse_args()
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if len(args) != 0:
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parser.print_help()
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sys.exit(1)
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self.options = options
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self.show_debug_info = True
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self.src = osmosdr.source_c(options.args)
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# Set the antenna
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if(options.antenna):
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self.src.set_antenna(options.antenna, 0)
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self.src.set_sample_rate(options.samp_rate)
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input_rate = self.src.get_sample_rate()
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if options.waterfall:
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self.scope = \
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waterfallsink2.waterfall_sink_c (panel, fft_size=1024,
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sample_rate=input_rate)
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self.frame.SetMinSize((800, 420))
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elif options.oscilloscope:
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self.scope = scopesink2.scope_sink_c(panel, sample_rate=input_rate)
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self.frame.SetMinSize((800, 600))
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else:
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self.scope = fftsink2.fft_sink_c (panel,
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fft_size=options.fft_size,
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sample_rate=input_rate,
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ref_scale=options.ref_scale,
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ref_level=20.0,
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y_divs = 12,
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average=options.averaging,
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avg_alpha=options.avg_alpha,
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fft_rate=options.fft_rate)
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def fftsink_callback(x, y):
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self.set_freq(x)
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self.scope.set_callback(fftsink_callback)
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self.frame.SetMinSize((800, 420))
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self.connect(self.src, self.scope)
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self._build_gui(vbox)
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self._setup_events()
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# set initial values
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if options.gain is None:
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# if no gain was specified, use the mid-point in dB
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g = self.src.get_gain_range()
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options.gain = float(g.start()+g.stop())/2
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if options.freq is None:
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# if no freq was specified, use the mid-point
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r = self.src.get_freq_range()
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options.freq = float(r.start()+r.stop())/2
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self.set_gain(options.gain)
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if self.show_debug_info:
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self.myform['samprate'].set_value(self.src.get_sample_rate())
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if not(self.set_freq(options.freq)):
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self._set_status_msg("Failed to set initial frequency")
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def _set_status_msg(self, msg):
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self.frame.GetStatusBar().SetStatusText(msg, 0)
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def _build_gui(self, vbox):
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def _form_set_freq(kv):
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return self.set_freq(kv['freq'])
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vbox.Add(self.scope.win, 10, wx.EXPAND)
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# add control area at the bottom
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self.myform = myform = form.form()
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hbox = wx.BoxSizer(wx.HORIZONTAL)
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hbox.Add((4,0), 0, 0)
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myform['freq'] = form.float_field(
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parent=self.panel, sizer=hbox, label="Center freq", weight=1,
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callback=myform.check_input_and_call(_form_set_freq,
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self._set_status_msg))
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hbox.Add((4,0), 0, 0)
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g = self.src.get_gain_range()
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# some configurations don't have gain control
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if g.stop() <= g.start():
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glow = 0.0
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ghigh = 1.0
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else:
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glow = g.start()
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ghigh = g.stop()
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myform['gain'] = form.slider_field(parent=self.panel,
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sizer=hbox, label="Gain",
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weight=3,
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min=int(glow), max=int(ghigh),
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callback=self.set_gain)
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hbox.Add((4,0), 0, 0)
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vbox.Add(hbox, 0, wx.EXPAND)
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self._build_subpanel(vbox)
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def _build_subpanel(self, vbox_arg):
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# build a secondary information panel (sometimes hidden)
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# FIXME figure out how to have this be a subpanel that is always
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# created, but has its visibility controlled by foo.Show(True/False)
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def _form_set_sample_rate(kv):
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return self.set_sample_rate(kv['samprate'])
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if not(self.show_debug_info):
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return
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panel = self.panel
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vbox = vbox_arg
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myform = self.myform
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hbox = wx.BoxSizer(wx.HORIZONTAL)
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hbox.Add((4,0), 0)
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myform['samprate'] = form.float_field(
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parent=panel, sizer=hbox, label="Sample Rate",
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callback=myform.check_input_and_call(_form_set_sample_rate,
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self._set_status_msg))
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vbox.AddSpacer(5)
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vbox.Add(hbox, 0, wx.EXPAND)
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vbox.AddSpacer(5)
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def set_freq(self, target_freq):
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"""
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Set the center frequency we're interested in.
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@param target_freq: frequency in Hz
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@rypte: bool
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"""
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actual_freq = self.src.set_center_freq(target_freq, 0)
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self.myform['freq'].set_value(actual_freq)
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if not self.options.oscilloscope:
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self.scope.set_baseband_freq(actual_freq)
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return True
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def set_gain(self, gain):
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if self.myform.has_key('gain'):
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self.myform['gain'].set_value(gain) # update displayed value
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self.src.set_gain(gain, 0)
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def set_sample_rate(self, samp_rate):
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ok = self.src.set_sample_rate(samp_rate)
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input_rate = self.src.get_sample_rate()
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self.scope.set_sample_rate(input_rate)
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if self.show_debug_info: # update displayed values
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self.myform['samprate'].set_value(self.src.get_sample_rate())
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# set_sample_rate never fails; always falls back to closest requested.
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return True
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def _setup_events(self):
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if not self.options.waterfall and not self.options.oscilloscope:
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self.scope.win.Bind(wx.EVT_LEFT_DCLICK, self.evt_left_dclick)
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def evt_left_dclick(self, event):
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(ux, uy) = self.scope.win.GetXY(event)
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if event.CmdDown():
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# Re-center on maximum power
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points = self.scope.win._points
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if self.scope.win.peak_hold:
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if self.scope.win.peak_vals is not None:
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ind = numpy.argmax(self.scope.win.peak_vals)
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else:
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ind = int(points.shape()[0]/2)
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else:
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ind = numpy.argmax(points[:,1])
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(freq, pwr) = points[ind]
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target_freq = freq/self.scope.win._scale_factor
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print ind, freq, pwr
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self.set_freq(target_freq)
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else:
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# Re-center on clicked frequency
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target_freq = ux/self.scope.win._scale_factor
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self.set_freq(target_freq)
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def main ():
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app = stdgui2.stdapp(app_top_block, "OSMOCOM Spectrum Browser", nstatus=1)
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app.MainLoop()
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if __name__ == '__main__':
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main ()
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#!/usr/bin/env python
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#
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# Copyright 2008,2009,2011,2012 Free Software Foundation, Inc.
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#
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# This file is part of GNU Radio
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#
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# GNU Radio is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3, or (at your option)
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# any later version.
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#
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# GNU Radio is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
|
||||
#
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# You should have received a copy of the GNU General Public License
|
||||
# along with GNU Radio; see the file COPYING. If not, write to
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# the Free Software Foundation, Inc., 51 Franklin Street,
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# Boston, MA 02110-1301, USA.
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#
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from gnuradio import gr
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from osmosdr import osmocom_siggen_base as osmocom_siggen
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import sys
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def main():
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if gr.enable_realtime_scheduling() != gr.RT_OK:
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print "Note: failed to enable realtime scheduling, continuing"
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# Grab command line options and create top block
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try:
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(options, args) = osmocom_siggen.get_options()
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tb = osmocom_siggen.top_block(options, args)
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except RuntimeError, e:
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print e
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sys.exit(1)
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tb.start()
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raw_input('Press Enter to quit: ')
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tb.stop()
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tb.wait()
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# Make sure to create the top block (tb) within a function:
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# That code in main will allow tb to go out of scope on return,
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# which will call the decontructor on usrp and stop transmit.
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# Whats odd is that grc works fine with tb in the __main__,
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# perhaps its because the try/except clauses around tb.
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if __name__ == "__main__":
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main()
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@ -0,0 +1,397 @@
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#!/usr/bin/env python
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#
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# Copyright 2008,2009,2011,2012 Free Software Foundation, Inc.
|
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#
|
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# This file is part of GNU Radio
|
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#
|
||||
# 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,
|
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# Boston, MA 02110-1301, USA.
|
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#
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SAMP_RATE_KEY = 'samp_rate'
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LINK_RATE_KEY = 'link_rate'
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GAIN_KEY = 'gain'
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IF_GAIN_KEY = 'if_gain'
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BWIDTH_KEY = 'bwidth'
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TX_FREQ_KEY = 'tx_freq'
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FREQ_CORR_KEY = 'freq_corr'
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AMPLITUDE_KEY = 'amplitude'
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AMPL_RANGE_KEY = 'ampl_range'
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WAVEFORM_FREQ_KEY = 'waveform_freq'
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WAVEFORM_OFFSET_KEY = 'waveform_offset'
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WAVEFORM2_FREQ_KEY = 'waveform2_freq'
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FREQ_RANGE_KEY = 'freq_range'
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GAIN_RANGE_KEY = 'gain_range'
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IF_GAIN_RANGE_KEY = 'if_gain_range'
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BWIDTH_RANGE_KEY = 'bwidth_range'
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TYPE_KEY = 'type'
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def setter(ps, key, val): ps[key] = val
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import osmosdr
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from gnuradio import gr, gru, eng_notation
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from gnuradio.gr.pubsub import pubsub
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from gnuradio.eng_option import eng_option
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from optparse import OptionParser
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import sys
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import math
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n2s = eng_notation.num_to_str
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waveforms = { gr.GR_SIN_WAVE : "Complex Sinusoid",
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gr.GR_CONST_WAVE : "Constant",
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gr.GR_GAUSSIAN : "Gaussian Noise",
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gr.GR_UNIFORM : "Uniform Noise",
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"2tone" : "Two Tone",
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"sweep" : "Sweep" }
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|
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#
|
||||
# GUI-unaware GNU Radio flowgraph. This may be used either with command
|
||||
# line applications or GUI applications.
|
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#
|
||||
class top_block(gr.top_block, pubsub):
|
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def __init__(self, options, args):
|
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gr.top_block.__init__(self)
|
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pubsub.__init__(self)
|
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self._verbose = options.verbose
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|
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#initialize values from options
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self._setup_osmosdr(options)
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self[SAMP_RATE_KEY] = options.samp_rate
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self[TX_FREQ_KEY] = options.tx_freq
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self[FREQ_CORR_KEY] = options.freq_corr
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self[AMPLITUDE_KEY] = options.amplitude
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self[WAVEFORM_FREQ_KEY] = options.waveform_freq
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self[WAVEFORM_OFFSET_KEY] = options.offset
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self[WAVEFORM2_FREQ_KEY] = options.waveform2_freq
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#subscribe set methods
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self.subscribe(SAMP_RATE_KEY, self.set_samp_rate)
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self.subscribe(GAIN_KEY, self.set_gain)
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self.subscribe(IF_GAIN_KEY, self.set_if_gain)
|
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self.subscribe(BWIDTH_KEY, self.set_bandwidth)
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self.subscribe(TX_FREQ_KEY, self.set_freq)
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self.subscribe(FREQ_CORR_KEY, self.set_freq_corr)
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self.subscribe(AMPLITUDE_KEY, self.set_amplitude)
|
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self.subscribe(WAVEFORM_FREQ_KEY, self.set_waveform_freq)
|
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self.subscribe(WAVEFORM2_FREQ_KEY, self.set_waveform2_freq)
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self.subscribe(TYPE_KEY, self.set_waveform)
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|
||||
#force update on pubsub keys
|
||||
for key in (SAMP_RATE_KEY, GAIN_KEY, IF_GAIN_KEY, BWIDTH_KEY,
|
||||
TX_FREQ_KEY, FREQ_CORR_KEY, AMPLITUDE_KEY,
|
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WAVEFORM_FREQ_KEY, WAVEFORM_OFFSET_KEY, WAVEFORM2_FREQ_KEY):
|
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# print "key: ", key, "=", self[key]
|
||||
self[key] = self[key]
|
||||
self[TYPE_KEY] = options.type #set type last
|
||||
|
||||
def _setup_osmosdr(self, options):
|
||||
self._sink = osmosdr.sink_c(options.args)
|
||||
self._sink.set_sample_rate(options.samp_rate)
|
||||
|
||||
# Set the gain from options
|
||||
if(options.gain):
|
||||
self._sink.set_gain(options.gain)
|
||||
|
||||
# Set the antenna
|
||||
if(options.antenna):
|
||||
self._sink.set_antenna(options.antenna, 0)
|
||||
|
||||
self.publish(FREQ_RANGE_KEY, self._sink.get_freq_range)
|
||||
self.publish(GAIN_RANGE_KEY, self._get_rf_gain_range)
|
||||
self.publish(IF_GAIN_RANGE_KEY, self._get_if_gain_range)
|
||||
self.publish(BWIDTH_RANGE_KEY, self._sink.get_bandwidth_range)
|
||||
self.publish(GAIN_KEY, self._get_rf_gain)
|
||||
self.publish(IF_GAIN_KEY, self._get_if_gain)
|
||||
self.publish(BWIDTH_KEY, self._sink.get_bandwidth)
|
||||
|
||||
def _get_rf_gain_range(self):
|
||||
return self._sink.get_gain_range("RF")
|
||||
|
||||
def _get_if_gain_range(self):
|
||||
return self._sink.get_gain_range("IF")
|
||||
|
||||
def _get_rf_gain(self):
|
||||
return self._sink.get_gain("RF")
|
||||
|
||||
def _get_if_gain(self):
|
||||
return self._sink.get_gain("IF")
|
||||
|
||||
def _set_tx_amplitude(self, ampl):
|
||||
"""
|
||||
Sets the transmit amplitude
|
||||
@param ampl the amplitude or None for automatic
|
||||
"""
|
||||
ampl_range = self[AMPL_RANGE_KEY]
|
||||
if ampl is None:
|
||||
ampl = (ampl_range[1] - ampl_range[0])*0.3 + ampl_range[0]
|
||||
self[AMPLITUDE_KEY] = max(ampl_range[0], min(ampl, ampl_range[1]))
|
||||
|
||||
def set_samp_rate(self, sr):
|
||||
self._sink.set_sample_rate(sr)
|
||||
sr = self._sink.get_sample_rate()
|
||||
|
||||
if self[TYPE_KEY] in (gr.GR_SIN_WAVE, gr.GR_CONST_WAVE):
|
||||
self._src.set_sampling_freq(self[SAMP_RATE_KEY])
|
||||
elif self[TYPE_KEY] == "2tone":
|
||||
self._src1.set_sampling_freq(self[SAMP_RATE_KEY])
|
||||
self._src2.set_sampling_freq(self[SAMP_RATE_KEY])
|
||||
elif self[TYPE_KEY] == "sweep":
|
||||
self._src1.set_sampling_freq(self[SAMP_RATE_KEY])
|
||||
self._src2.set_sampling_freq(self[WAVEFORM_FREQ_KEY]*2*math.pi/self[SAMP_RATE_KEY])
|
||||
else:
|
||||
return True # Waveform not yet set
|
||||
|
||||
if self._verbose:
|
||||
print "Set sample rate to:", sr
|
||||
|
||||
return True
|
||||
|
||||
def set_gain(self, gain):
|
||||
if gain is None:
|
||||
g = self[GAIN_RANGE_KEY]
|
||||
gain = float(g.start()+g.stop())/2
|
||||
if self._verbose:
|
||||
print "Using auto-calculated mid-point RF gain"
|
||||
self[GAIN_KEY] = gain
|
||||
return
|
||||
gain = self._sink.set_gain(gain, "RF")
|
||||
if self._verbose:
|
||||
print "Set RF gain to:", gain
|
||||
|
||||
def set_if_gain(self, gain):
|
||||
if gain is None:
|
||||
g = self[IF_GAIN_RANGE_KEY]
|
||||
gain = float(g.start()+g.stop())/2
|
||||
if self._verbose:
|
||||
print "Using auto-calculated mid-point IF gain"
|
||||
self[IF_GAIN_KEY] = gain
|
||||
return
|
||||
gain = self._sink.set_gain(gain, "IF")
|
||||
if self._verbose:
|
||||
print "Set IF gain to:", gain
|
||||
|
||||
def set_bandwidth(self, bw):
|
||||
bw = self._sink.set_bandwidth(bw)
|
||||
if self._verbose:
|
||||
print "Set bandwidth to:", bw
|
||||
|
||||
def set_freq(self, target_freq):
|
||||
|
||||
if target_freq is None:
|
||||
f = self[FREQ_RANGE_KEY]
|
||||
target_freq = float(f.start()+f.stop())/2.0
|
||||
if self._verbose:
|
||||
print "Using auto-calculated mid-point frequency"
|
||||
self[TX_FREQ_KEY] = target_freq
|
||||
return
|
||||
|
||||
tr = self._sink.set_center_freq(target_freq)
|
||||
if tr is not None:
|
||||
self._freq = tr
|
||||
if self._verbose:
|
||||
print "Set center frequency to", tr
|
||||
elif self._verbose:
|
||||
print "Failed to set freq."
|
||||
return tr
|
||||
|
||||
def set_freq_corr(self, ppm):
|
||||
if ppm is None:
|
||||
if self._verbose:
|
||||
print "Setting freq corrrection to 0"
|
||||
self[FREQ_CORR_KEY] = 0
|
||||
return
|
||||
|
||||
ppm = self._sink.set_freq_corr(ppm)
|
||||
if self._verbose:
|
||||
print "Set freq correction to:", ppm
|
||||
|
||||
def set_waveform_freq(self, freq):
|
||||
if self[TYPE_KEY] == gr.GR_SIN_WAVE:
|
||||
self._src.set_frequency(freq)
|
||||
elif self[TYPE_KEY] == "2tone":
|
||||
self._src1.set_frequency(freq)
|
||||
elif self[TYPE_KEY] == 'sweep':
|
||||
#there is no set sensitivity, redo fg
|
||||
self[TYPE_KEY] = self[TYPE_KEY]
|
||||
return True
|
||||
|
||||
def set_waveform2_freq(self, freq):
|
||||
if freq is None:
|
||||
self[WAVEFORM2_FREQ_KEY] = -self[WAVEFORM_FREQ_KEY]
|
||||
return
|
||||
if self[TYPE_KEY] == "2tone":
|
||||
self._src2.set_frequency(freq)
|
||||
elif self[TYPE_KEY] == "sweep":
|
||||
self._src1.set_frequency(freq)
|
||||
return True
|
||||
|
||||
def set_waveform(self, type):
|
||||
self.lock()
|
||||
self.disconnect_all()
|
||||
if type == gr.GR_SIN_WAVE or type == gr.GR_CONST_WAVE:
|
||||
self._src = gr.sig_source_c(self[SAMP_RATE_KEY], # Sample rate
|
||||
type, # Waveform type
|
||||
self[WAVEFORM_FREQ_KEY], # Waveform frequency
|
||||
self[AMPLITUDE_KEY], # Waveform amplitude
|
||||
self[WAVEFORM_OFFSET_KEY]) # Waveform offset
|
||||
elif type == gr.GR_GAUSSIAN or type == gr.GR_UNIFORM:
|
||||
self._src = gr.noise_source_c(type, self[AMPLITUDE_KEY])
|
||||
elif type == "2tone":
|
||||
self._src1 = gr.sig_source_c(self[SAMP_RATE_KEY],
|
||||
gr.GR_SIN_WAVE,
|
||||
self[WAVEFORM_FREQ_KEY],
|
||||
self[AMPLITUDE_KEY]/2.0,
|
||||
0)
|
||||
if(self[WAVEFORM2_FREQ_KEY] is None):
|
||||
self[WAVEFORM2_FREQ_KEY] = -self[WAVEFORM_FREQ_KEY]
|
||||
|
||||
self._src2 = gr.sig_source_c(self[SAMP_RATE_KEY],
|
||||
gr.GR_SIN_WAVE,
|
||||
self[WAVEFORM2_FREQ_KEY],
|
||||
self[AMPLITUDE_KEY]/2.0,
|
||||
0)
|
||||
self._src = gr.add_cc()
|
||||
self.connect(self._src1,(self._src,0))
|
||||
self.connect(self._src2,(self._src,1))
|
||||
elif type == "sweep":
|
||||
# rf freq is center frequency
|
||||
# waveform_freq is total swept width
|
||||
# waveform2_freq is sweep rate
|
||||
# will sweep from (rf_freq-waveform_freq/2) to (rf_freq+waveform_freq/2)
|
||||
if self[WAVEFORM2_FREQ_KEY] is None:
|
||||
self[WAVEFORM2_FREQ_KEY] = 0.1
|
||||
|
||||
self._src1 = gr.sig_source_f(self[SAMP_RATE_KEY],
|
||||
gr.GR_TRI_WAVE,
|
||||
self[WAVEFORM2_FREQ_KEY],
|
||||
1.0,
|
||||
-0.5)
|
||||
self._src2 = gr.frequency_modulator_fc(self[WAVEFORM_FREQ_KEY]*2*math.pi/self[SAMP_RATE_KEY])
|
||||
self._src = gr.multiply_const_cc(self[AMPLITUDE_KEY])
|
||||
self.connect(self._src1,self._src2,self._src)
|
||||
else:
|
||||
raise RuntimeError("Unknown waveform type")
|
||||
|
||||
self.connect(self._src, self._sink)
|
||||
self.unlock()
|
||||
|
||||
if self._verbose:
|
||||
print "Set baseband modulation to:", waveforms[type]
|
||||
if type == gr.GR_SIN_WAVE:
|
||||
print "Modulation frequency: %sHz" % (n2s(self[WAVEFORM_FREQ_KEY]),)
|
||||
print "Initial phase:", self[WAVEFORM_OFFSET_KEY]
|
||||
elif type == "2tone":
|
||||
print "Tone 1: %sHz" % (n2s(self[WAVEFORM_FREQ_KEY]),)
|
||||
print "Tone 2: %sHz" % (n2s(self[WAVEFORM2_FREQ_KEY]),)
|
||||
elif type == "sweep":
|
||||
print "Sweeping across %sHz to %sHz" % (n2s(-self[WAVEFORM_FREQ_KEY]/2.0),n2s(self[WAVEFORM_FREQ_KEY]/2.0))
|
||||
print "Sweep rate: %sHz" % (n2s(self[WAVEFORM2_FREQ_KEY]),)
|
||||
print "TX amplitude:", self[AMPLITUDE_KEY]
|
||||
|
||||
|
||||
def set_amplitude(self, amplitude):
|
||||
if amplitude < 0.0 or amplitude > 1.0:
|
||||
if self._verbose:
|
||||
print "Amplitude out of range:", amplitude
|
||||
return False
|
||||
|
||||
if self[TYPE_KEY] in (gr.GR_SIN_WAVE, gr.GR_CONST_WAVE, gr.GR_GAUSSIAN, gr.GR_UNIFORM):
|
||||
self._src.set_amplitude(amplitude)
|
||||
elif self[TYPE_KEY] == "2tone":
|
||||
self._src1.set_amplitude(amplitude/2.0)
|
||||
self._src2.set_amplitude(amplitude/2.0)
|
||||
elif self[TYPE_KEY] == "sweep":
|
||||
self._src.set_k(amplitude)
|
||||
else:
|
||||
return True # Waveform not yet set
|
||||
|
||||
if self._verbose:
|
||||
print "Set amplitude to:", amplitude
|
||||
return True
|
||||
|
||||
def get_options():
|
||||
usage="%prog: [options]"
|
||||
|
||||
parser = OptionParser(option_class=eng_option, usage=usage)
|
||||
parser.add_option("-a", "--args", type="string", default="",
|
||||
help="Device args, [default=%default]")
|
||||
parser.add_option("-A", "--antenna", type="string", default=None,
|
||||
help="Select Rx Antenna where appropriate")
|
||||
parser.add_option("-s", "--samp-rate", type="eng_float", default=1e6,
|
||||
help="Set sample rate (bandwidth) [default=%default]")
|
||||
parser.add_option("-g", "--gain", type="eng_float", default=None,
|
||||
help="Set gain in dB (default is midpoint)")
|
||||
parser.add_option("-f", "--tx-freq", type="eng_float", default=None,
|
||||
help="Set carrier frequency to FREQ [default=mid-point]",
|
||||
metavar="FREQ")
|
||||
parser.add_option("-c", "--freq-corr", type="int", default=None,
|
||||
help="Set carrier frequency correction [default=0]")
|
||||
parser.add_option("-x", "--waveform-freq", type="eng_float", default=0,
|
||||
help="Set baseband waveform frequency to FREQ [default=%default]")
|
||||
parser.add_option("-y", "--waveform2-freq", type="eng_float", default=None,
|
||||
help="Set 2nd waveform frequency to FREQ [default=%default]")
|
||||
parser.add_option("--sine", dest="type", action="store_const", const=gr.GR_SIN_WAVE,
|
||||
help="Generate a carrier modulated by a complex sine wave",
|
||||
default=gr.GR_SIN_WAVE)
|
||||
parser.add_option("--const", dest="type", action="store_const", const=gr.GR_CONST_WAVE,
|
||||
help="Generate a constant carrier")
|
||||
parser.add_option("--offset", type="eng_float", default=0,
|
||||
help="Set waveform phase offset to OFFSET [default=%default]")
|
||||
parser.add_option("--gaussian", dest="type", action="store_const", const=gr.GR_GAUSSIAN,
|
||||
help="Generate Gaussian random output")
|
||||
parser.add_option("--uniform", dest="type", action="store_const", const=gr.GR_UNIFORM,
|
||||
help="Generate Uniform random output")
|
||||
parser.add_option("--2tone", dest="type", action="store_const", const="2tone",
|
||||
help="Generate Two Tone signal for IMD testing")
|
||||
parser.add_option("--sweep", dest="type", action="store_const", const="sweep",
|
||||
help="Generate a swept sine wave")
|
||||
parser.add_option("", "--amplitude", type="eng_float", default=0.3,
|
||||
help="Set output amplitude to AMPL (0.0-1.0) [default=%default]",
|
||||
metavar="AMPL")
|
||||
parser.add_option("-v", "--verbose", action="store_true", default=False,
|
||||
help="Use verbose console output [default=%default]")
|
||||
|
||||
(options, args) = parser.parse_args()
|
||||
|
||||
return (options, args)
|
||||
|
||||
# If this script is executed, the following runs. If it is imported,
|
||||
# the below does not run.
|
||||
def test_main():
|
||||
if gr.enable_realtime_scheduling() != gr.RT_OK:
|
||||
print "Note: failed to enable realtime scheduling, continuing"
|
||||
|
||||
# Grab command line options and create top block
|
||||
try:
|
||||
(options, args) = get_options()
|
||||
tb = top_block(options, args)
|
||||
|
||||
except RuntimeError, e:
|
||||
print e
|
||||
sys.exit(1)
|
||||
|
||||
tb.start()
|
||||
raw_input('Press Enter to quit: ')
|
||||
tb.stop()
|
||||
tb.wait()
|
||||
|
||||
# Make sure to create the top block (tb) within a function:
|
||||
# That code in main will allow tb to go out of scope on return,
|
||||
# which will call the decontructor on radio and stop transmit.
|
||||
# Whats odd is that grc works fine with tb in the __main__,
|
||||
# perhaps its because the try/except clauses around tb.
|
||||
if __name__ == "__main__":
|
||||
test_main()
|
|
@ -0,0 +1,374 @@
|
|||
#!/usr/bin/env python
|
||||
#
|
||||
# Copyright 2009,2011,2012 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.
|
||||
#
|
||||
|
||||
from gnuradio import gr
|
||||
from gnuradio.gr.pubsub import pubsub
|
||||
from osmosdr import osmocom_siggen_base as osmocom_siggen
|
||||
import sys, math
|
||||
|
||||
try:
|
||||
from gnuradio.wxgui import gui, forms
|
||||
import wx
|
||||
except ImportError:
|
||||
sys.stderr.write("Error importing GNU Radio's wxgui. Please make sure gr-wxgui is installed.\n")
|
||||
sys.exit(1)
|
||||
|
||||
class app_gui(pubsub):
|
||||
def __init__(self, frame, panel, vbox, top_block, options, args):
|
||||
pubsub.__init__(self)
|
||||
self.frame = frame # Use for top-level application window frame
|
||||
self.panel = panel # Use as parent class for created windows
|
||||
self.vbox = vbox # Use as sizer for created windows
|
||||
self.tb = top_block # GUI-unaware flowgraph class
|
||||
self.options = options # Supplied command-line options
|
||||
self.args = args # Supplied command-line arguments
|
||||
self.build_gui()
|
||||
|
||||
# Event response handlers
|
||||
def evt_set_status_msg(self, msg):
|
||||
self.frame.SetStatusText(msg, 0)
|
||||
|
||||
# GUI construction
|
||||
def build_gui(self):
|
||||
self.vbox.AddSpacer(3)
|
||||
self.vbox.AddStretchSpacer()
|
||||
##################################################
|
||||
# Baseband controls
|
||||
##################################################
|
||||
bb_vbox = forms.static_box_sizer(parent=self.panel, label="Baseband Modulation", orient=wx.VERTICAL, bold=True)
|
||||
self.vbox.Add(bb_vbox, 0, wx.EXPAND)
|
||||
sine_bb_hbox = wx.BoxSizer(wx.HORIZONTAL)
|
||||
sweep_bb_hbox = wx.BoxSizer(wx.HORIZONTAL)
|
||||
tone_bb_hbox = wx.BoxSizer(wx.HORIZONTAL)
|
||||
self.vbox.AddSpacer(5)
|
||||
self.vbox.AddStretchSpacer()
|
||||
#callback to show/hide forms
|
||||
def set_type(type):
|
||||
sine_bb_hbox.ShowItems(type == gr.GR_SIN_WAVE)
|
||||
sweep_bb_hbox.ShowItems(type == 'sweep')
|
||||
tone_bb_hbox.ShowItems(type == '2tone')
|
||||
self.vbox.Layout()
|
||||
self.tb.subscribe(osmocom_siggen.TYPE_KEY, set_type)
|
||||
#create sine forms
|
||||
sine_bb_hbox.AddSpacer(5)
|
||||
forms.text_box(
|
||||
parent=self.panel, sizer=sine_bb_hbox,
|
||||
label='Frequency (Hz)',
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.WAVEFORM_FREQ_KEY,
|
||||
converter=forms.float_converter(),
|
||||
)
|
||||
sine_bb_hbox.AddStretchSpacer()
|
||||
#create sweep forms
|
||||
sweep_bb_hbox.AddSpacer(5)
|
||||
forms.text_box(
|
||||
parent=self.panel, sizer=sweep_bb_hbox,
|
||||
label='Sweep Width (Hz)',
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.WAVEFORM_FREQ_KEY,
|
||||
converter=forms.float_converter(),
|
||||
)
|
||||
sweep_bb_hbox.AddStretchSpacer()
|
||||
forms.text_box(
|
||||
parent=self.panel, sizer=sweep_bb_hbox,
|
||||
label='Sweep Rate (Hz)',
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.WAVEFORM2_FREQ_KEY,
|
||||
converter=forms.float_converter(),
|
||||
)
|
||||
sweep_bb_hbox.AddStretchSpacer()
|
||||
#create 2tone forms
|
||||
tone_bb_hbox.AddSpacer(5)
|
||||
forms.text_box(
|
||||
parent=self.panel, sizer=tone_bb_hbox,
|
||||
label='Tone 1 (Hz)',
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.WAVEFORM_FREQ_KEY,
|
||||
converter=forms.float_converter(),
|
||||
)
|
||||
tone_bb_hbox.AddStretchSpacer()
|
||||
forms.text_box(
|
||||
parent=self.panel, sizer=tone_bb_hbox,
|
||||
label='Tone 2 (Hz)',
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.WAVEFORM2_FREQ_KEY,
|
||||
converter=forms.float_converter(),
|
||||
)
|
||||
tone_bb_hbox.AddStretchSpacer()
|
||||
forms.radio_buttons(
|
||||
parent=self.panel, sizer=bb_vbox,
|
||||
choices=osmocom_siggen.waveforms.keys(),
|
||||
labels=osmocom_siggen.waveforms.values(),
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.TYPE_KEY,
|
||||
style=wx.NO_BORDER | wx.RA_HORIZONTAL,
|
||||
)
|
||||
bb_vbox.AddSpacer(5)
|
||||
bb_vbox.Add(sine_bb_hbox, 0, wx.EXPAND)
|
||||
bb_vbox.Add(sweep_bb_hbox, 0, wx.EXPAND)
|
||||
bb_vbox.Add(tone_bb_hbox, 0, wx.EXPAND)
|
||||
set_type(self.tb[osmocom_siggen.TYPE_KEY])
|
||||
|
||||
##################################################
|
||||
# Frequency controls
|
||||
##################################################
|
||||
fc_vbox = forms.static_box_sizer(parent=self.panel,
|
||||
label="Center Frequency",
|
||||
orient=wx.VERTICAL,
|
||||
bold=True)
|
||||
fc_vbox.AddSpacer(3)
|
||||
# First row of frequency controls (center frequency)
|
||||
freq_hbox = wx.BoxSizer(wx.HORIZONTAL)
|
||||
fc_vbox.Add(freq_hbox, 0, wx.EXPAND)
|
||||
fc_vbox.AddSpacer(5)
|
||||
# Second row of frequency controls (freq. correction)
|
||||
corr_hbox = wx.BoxSizer(wx.HORIZONTAL)
|
||||
fc_vbox.Add(corr_hbox, 0, wx.EXPAND)
|
||||
fc_vbox.AddSpacer(3)
|
||||
# Add frequency controls to top window sizer
|
||||
self.vbox.Add(fc_vbox, 0, wx.EXPAND)
|
||||
self.vbox.AddSpacer(5)
|
||||
self.vbox.AddStretchSpacer()
|
||||
|
||||
freq_hbox.AddSpacer(3)
|
||||
forms.text_box(
|
||||
parent=self.panel, sizer=freq_hbox,
|
||||
label='Center Frequency (Hz)',
|
||||
proportion=1,
|
||||
converter=forms.float_converter(),
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.TX_FREQ_KEY,
|
||||
)
|
||||
freq_hbox.AddSpacer(5)
|
||||
|
||||
forms.slider(
|
||||
parent=self.panel, sizer=freq_hbox,
|
||||
proportion=2,
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.TX_FREQ_KEY,
|
||||
minimum=self.tb[osmocom_siggen.FREQ_RANGE_KEY].start(),
|
||||
maximum=self.tb[osmocom_siggen.FREQ_RANGE_KEY].stop(),
|
||||
num_steps=100,
|
||||
)
|
||||
freq_hbox.AddSpacer(3)
|
||||
|
||||
corr_hbox.AddSpacer(3)
|
||||
forms.text_box(
|
||||
parent=self.panel, sizer=corr_hbox,
|
||||
label='Frequency Correction (ppm)',
|
||||
proportion=1,
|
||||
converter=forms.int_converter(),
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.FREQ_CORR_KEY,
|
||||
)
|
||||
corr_hbox.AddSpacer(5)
|
||||
|
||||
forms.slider(
|
||||
parent=self.panel, sizer=corr_hbox,
|
||||
proportion=2,
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.FREQ_CORR_KEY,
|
||||
minimum=-100,
|
||||
maximum=+100,
|
||||
num_steps=201,
|
||||
)
|
||||
corr_hbox.AddSpacer(3)
|
||||
|
||||
##################################################
|
||||
# Amplitude controls
|
||||
##################################################
|
||||
amp_vbox = forms.static_box_sizer(parent=self.panel,
|
||||
label="Amplitude",
|
||||
orient=wx.VERTICAL,
|
||||
bold=True)
|
||||
amp_vbox.AddSpacer(3)
|
||||
# First row of amp controls (ampl)
|
||||
lvl_hbox = wx.BoxSizer(wx.HORIZONTAL)
|
||||
amp_vbox.Add(lvl_hbox, 0, wx.EXPAND)
|
||||
amp_vbox.AddSpacer(5)
|
||||
# Second row of amp controls (tx gain)
|
||||
gain_hbox = wx.BoxSizer(wx.HORIZONTAL)
|
||||
amp_vbox.Add(gain_hbox, 0, wx.EXPAND)
|
||||
amp_vbox.AddSpacer(3)
|
||||
if_gain_hbox = wx.BoxSizer(wx.HORIZONTAL)
|
||||
amp_vbox.Add(if_gain_hbox, 0, wx.EXPAND)
|
||||
amp_vbox.AddSpacer(3)
|
||||
|
||||
self.vbox.Add(amp_vbox, 0, wx.EXPAND)
|
||||
self.vbox.AddSpacer(5)
|
||||
self.vbox.AddStretchSpacer()
|
||||
|
||||
lvl_hbox.AddSpacer(3)
|
||||
forms.text_box(
|
||||
parent=self.panel, sizer=lvl_hbox,
|
||||
proportion=1,
|
||||
converter=forms.float_converter(),
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.AMPLITUDE_KEY,
|
||||
label="Level (0.0-1.0)",
|
||||
)
|
||||
lvl_hbox.AddSpacer(5)
|
||||
forms.log_slider(
|
||||
parent=self.panel, sizer=lvl_hbox,
|
||||
proportion=2,
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.AMPLITUDE_KEY,
|
||||
min_exp=-6,
|
||||
max_exp=0,
|
||||
base=10,
|
||||
num_steps=100,
|
||||
)
|
||||
lvl_hbox.AddSpacer(3)
|
||||
|
||||
if self.tb[osmocom_siggen.GAIN_RANGE_KEY].start() < self.tb[osmocom_siggen.GAIN_RANGE_KEY].stop():
|
||||
gain_hbox.AddSpacer(3)
|
||||
forms.text_box(
|
||||
parent=self.panel, sizer=gain_hbox,
|
||||
proportion=1,
|
||||
converter=forms.float_converter(),
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.GAIN_KEY,
|
||||
label="RF Gain (dB)",
|
||||
)
|
||||
gain_hbox.AddSpacer(5)
|
||||
forms.slider(
|
||||
parent=self.panel, sizer=gain_hbox,
|
||||
proportion=2,
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.GAIN_KEY,
|
||||
minimum=self.tb[osmocom_siggen.GAIN_RANGE_KEY].start(),
|
||||
maximum=self.tb[osmocom_siggen.GAIN_RANGE_KEY].stop(),
|
||||
step_size=self.tb[osmocom_siggen.GAIN_RANGE_KEY].step(),
|
||||
)
|
||||
gain_hbox.AddSpacer(3)
|
||||
|
||||
if self.tb[osmocom_siggen.IF_GAIN_RANGE_KEY].start() < self.tb[osmocom_siggen.IF_GAIN_RANGE_KEY].stop():
|
||||
if_gain_hbox.AddSpacer(3)
|
||||
forms.text_box(
|
||||
parent=self.panel, sizer=if_gain_hbox,
|
||||
proportion=1,
|
||||
converter=forms.float_converter(),
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.IF_GAIN_KEY,
|
||||
label="IF Gain (dB)",
|
||||
)
|
||||
if_gain_hbox.AddSpacer(5)
|
||||
forms.slider(
|
||||
parent=self.panel, sizer=if_gain_hbox,
|
||||
proportion=2,
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.IF_GAIN_KEY,
|
||||
minimum=self.tb[osmocom_siggen.IF_GAIN_RANGE_KEY].start(),
|
||||
maximum=self.tb[osmocom_siggen.IF_GAIN_RANGE_KEY].stop(),
|
||||
step_size=self.tb[osmocom_siggen.IF_GAIN_RANGE_KEY].step(),
|
||||
)
|
||||
if_gain_hbox.AddSpacer(3)
|
||||
|
||||
##################################################
|
||||
# Bandiwdth controls
|
||||
##################################################
|
||||
bwidth_vbox = forms.static_box_sizer(parent=self.panel,
|
||||
label="Bandwidth",
|
||||
orient=wx.VERTICAL,
|
||||
bold=True)
|
||||
bwidth_vbox.AddSpacer(3)
|
||||
bwidth_hbox = wx.BoxSizer(wx.HORIZONTAL)
|
||||
bwidth_vbox.Add(bwidth_hbox, 0, wx.EXPAND)
|
||||
bwidth_vbox.AddSpacer(3)
|
||||
|
||||
self.vbox.Add(bwidth_vbox, 0, wx.EXPAND)
|
||||
self.vbox.AddSpacer(5)
|
||||
self.vbox.AddStretchSpacer()
|
||||
|
||||
if self.tb[osmocom_siggen.BWIDTH_RANGE_KEY].start() < self.tb[osmocom_siggen.BWIDTH_RANGE_KEY].stop():
|
||||
bwidth_hbox.AddSpacer(3)
|
||||
forms.text_box(
|
||||
parent=self.panel, sizer=bwidth_hbox,
|
||||
proportion=1,
|
||||
converter=forms.float_converter(),
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.BWIDTH_KEY,
|
||||
label="Bandwidth (Hz)",
|
||||
)
|
||||
bwidth_hbox.AddSpacer(5)
|
||||
forms.slider(
|
||||
parent=self.panel, sizer=bwidth_hbox,
|
||||
proportion=2,
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.BWIDTH_KEY,
|
||||
minimum=self.tb[osmocom_siggen.BWIDTH_RANGE_KEY].start(),
|
||||
maximum=self.tb[osmocom_siggen.BWIDTH_RANGE_KEY].stop(),
|
||||
step_size=self.tb[osmocom_siggen.BWIDTH_RANGE_KEY].step(),
|
||||
)
|
||||
bwidth_hbox.AddSpacer(3)
|
||||
|
||||
##################################################
|
||||
# Sample Rate controls
|
||||
##################################################
|
||||
sam_hbox = forms.static_box_sizer(parent=self.panel,
|
||||
label="Sample Rate",
|
||||
orient=wx.HORIZONTAL,
|
||||
bold=True)
|
||||
self.vbox.Add(sam_hbox, 0, wx.EXPAND)
|
||||
self.vbox.AddSpacer(5)
|
||||
self.vbox.AddStretchSpacer()
|
||||
sam_hbox.AddStretchSpacer(20)
|
||||
forms.static_text(
|
||||
parent=self.panel, sizer=sam_hbox,
|
||||
label='Sample Rate (sps)',
|
||||
ps=self.tb,
|
||||
key=osmocom_siggen.SAMP_RATE_KEY,
|
||||
converter=forms.float_converter(),
|
||||
)
|
||||
sam_hbox.AddStretchSpacer(20)
|
||||
|
||||
def main():
|
||||
try:
|
||||
# Get command line parameters
|
||||
(options, args) = osmocom_siggen.get_options()
|
||||
|
||||
# Create the top block using these
|
||||
tb = osmocom_siggen.top_block(options, args)
|
||||
|
||||
# Create the GUI application
|
||||
app = gui.app(top_block=tb, # Constructed top block
|
||||
gui=app_gui, # User interface class
|
||||
options=options, # Command line options
|
||||
args=args, # Command line args
|
||||
title="OSMOCOM Signal Generator", # Top window title
|
||||
nstatus=1, # Number of status lines
|
||||
start=True, # Whether to start flowgraph
|
||||
realtime=True) # Whether to set realtime priority
|
||||
|
||||
# And run it
|
||||
app.MainLoop()
|
||||
|
||||
except RuntimeError, e:
|
||||
print e
|
||||
sys.exit(1)
|
||||
|
||||
# Make sure to create the top block (tb) within a function: That code
|
||||
# in main will allow tb to go out of scope on return, which will call
|
||||
# the decontructor on radio device and stop transmit. Whats odd is that
|
||||
# grc works fine with tb in the __main__, perhaps its because the
|
||||
# try/except clauses around tb.
|
||||
if __name__ == "__main__": main()
|
Loading…
Reference in New Issue