/usr/bin/uhd_siggen_gui is in gnuradio 3.7.2.1-5.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
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#!/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.
#
import wx
from gnuradio import gr, uhd
from gnuradio import analog
from gnuradio.gr.pubsub import pubsub
from gnuradio.wxgui import gui, forms
from gnuradio.uhd import uhd_siggen_base as uhd_siggen
import sys, math
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(5)
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(10)
self.vbox.AddStretchSpacer()
#callback to show/hide forms
def set_type(type):
sine_bb_hbox.ShowItems(type == analog.GR_SIN_WAVE)
sweep_bb_hbox.ShowItems(type == 'sweep')
tone_bb_hbox.ShowItems(type == '2tone')
self.vbox.Layout()
self.tb.subscribe(uhd_siggen.TYPE_KEY, set_type)
#create sine forms
sine_bb_hbox.AddSpacer(10)
forms.text_box(
parent=self.panel, sizer=sine_bb_hbox,
label='Frequency (Hz)',
ps=self.tb,
key=uhd_siggen.WAVEFORM_FREQ_KEY,
converter=forms.float_converter(),
)
sine_bb_hbox.AddStretchSpacer()
#create sweep forms
sweep_bb_hbox.AddSpacer(10)
forms.text_box(
parent=self.panel, sizer=sweep_bb_hbox,
label='Sweep Width (Hz)',
ps=self.tb,
key=uhd_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=uhd_siggen.WAVEFORM2_FREQ_KEY,
converter=forms.float_converter(),
)
sweep_bb_hbox.AddStretchSpacer()
#create 2tone forms
tone_bb_hbox.AddSpacer(10)
forms.text_box(
parent=self.panel, sizer=tone_bb_hbox,
label='Tone 1 (Hz)',
ps=self.tb,
key=uhd_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=uhd_siggen.WAVEFORM2_FREQ_KEY,
converter=forms.float_converter(),
)
tone_bb_hbox.AddStretchSpacer()
forms.radio_buttons(
parent=self.panel, sizer=bb_vbox,
choices=uhd_siggen.waveforms.keys(),
labels=uhd_siggen.waveforms.values(),
ps=self.tb,
key=uhd_siggen.TYPE_KEY,
style=wx.NO_BORDER | wx.RA_HORIZONTAL,
)
bb_vbox.AddSpacer(10)
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[uhd_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(5)
# First row of frequency controls (center frequency)
freq_hbox = wx.BoxSizer(wx.HORIZONTAL)
fc_vbox.Add(freq_hbox, 0, wx.EXPAND)
fc_vbox.AddSpacer(10)
# Second row of frequency controls (results)
tr_hbox = wx.BoxSizer(wx.HORIZONTAL)
fc_vbox.Add(tr_hbox, 0, wx.EXPAND)
fc_vbox.AddSpacer(5)
# Add frequency controls to top window sizer
self.vbox.Add(fc_vbox, 0, wx.EXPAND)
self.vbox.AddSpacer(10)
self.vbox.AddStretchSpacer()
freq_hbox.AddSpacer(5)
forms.text_box(
parent=self.panel, sizer=freq_hbox,
proportion=1,
converter=forms.float_converter(),
ps=self.tb,
key=uhd_siggen.TX_FREQ_KEY,
)
freq_hbox.AddSpacer(10)
forms.slider(
parent=self.panel, sizer=freq_hbox,
proportion=2,
ps=self.tb,
key=uhd_siggen.TX_FREQ_KEY,
minimum=self.tb[uhd_siggen.FREQ_RANGE_KEY].start(),
maximum=self.tb[uhd_siggen.FREQ_RANGE_KEY].stop(),
num_steps=100,
)
freq_hbox.AddSpacer(5)
tr_hbox.AddSpacer(5)
forms.static_text(
parent=self.panel, sizer=tr_hbox,
label='RF Frequency',
ps=self.tb,
key=uhd_siggen.RF_FREQ_KEY,
converter=forms.float_converter(),
proportion=1,
)
tr_hbox.AddSpacer(10)
forms.static_text(
parent=self.panel, sizer=tr_hbox,
label='DSP Frequency',
ps=self.tb,
key=uhd_siggen.DSP_FREQ_KEY,
converter=forms.float_converter(),
proportion=1,
)
tr_hbox.AddSpacer(5)
##################################################
# Amplitude controls
##################################################
amp_hbox = forms.static_box_sizer(parent=self.panel,
label="Amplitude",
orient=wx.VERTICAL,
bold=True)
amp_hbox.AddSpacer(5)
# First row of amp controls (ampl)
lvl_hbox = wx.BoxSizer(wx.HORIZONTAL)
amp_hbox.Add(lvl_hbox, 0, wx.EXPAND)
amp_hbox.AddSpacer(10)
# Second row of amp controls (tx gain)
gain_hbox = wx.BoxSizer(wx.HORIZONTAL)
amp_hbox.Add(gain_hbox, 0, wx.EXPAND)
amp_hbox.AddSpacer(5)
self.vbox.Add(amp_hbox, 0, wx.EXPAND)
self.vbox.AddSpacer(10)
self.vbox.AddStretchSpacer()
lvl_hbox.AddSpacer(5)
forms.text_box(
parent=self.panel, sizer=lvl_hbox,
proportion=1,
converter=forms.float_converter(),
ps=self.tb,
key=uhd_siggen.AMPLITUDE_KEY,
label="Level (0.0-1.0)",
)
lvl_hbox.AddSpacer(10)
forms.log_slider(
parent=self.panel, sizer=lvl_hbox,
proportion=2,
ps=self.tb,
key=uhd_siggen.AMPLITUDE_KEY,
min_exp=-6,
max_exp=0,
base=10,
num_steps=100,
)
lvl_hbox.AddSpacer(5)
if self.tb[uhd_siggen.GAIN_RANGE_KEY].start() < self.tb[uhd_siggen.GAIN_RANGE_KEY].stop():
gain_hbox.AddSpacer(5)
forms.text_box(
parent=self.panel, sizer=gain_hbox,
proportion=1,
converter=forms.float_converter(),
ps=self.tb,
key=uhd_siggen.GAIN_KEY,
label="TX Gain (dB)",
)
gain_hbox.AddSpacer(10)
forms.slider(
parent=self.panel, sizer=gain_hbox,
proportion=2,
ps=self.tb,
key=uhd_siggen.GAIN_KEY,
minimum=self.tb[uhd_siggen.GAIN_RANGE_KEY].start(),
maximum=self.tb[uhd_siggen.GAIN_RANGE_KEY].stop(),
step_size=self.tb[uhd_siggen.GAIN_RANGE_KEY].step(),
)
gain_hbox.AddSpacer(5)
##################################################
# 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(10)
self.vbox.AddStretchSpacer()
sam_hbox.AddStretchSpacer(20)
forms.static_text(
parent=self.panel, sizer=sam_hbox,
label='Sample Rate (sps)',
ps=self.tb,
key=uhd_siggen.SAMP_RATE_KEY,
converter=forms.float_converter(),
)
sam_hbox.AddStretchSpacer(20)
##################################################
# UHD status
##################################################
u2_hbox = forms.static_box_sizer(parent=self.panel,
label="UHD (%s)" % (uhd.get_version_string()),
orient=wx.HORIZONTAL,
bold=True)
self.vbox.Add(u2_hbox, 0, wx.EXPAND)
self.vbox.AddSpacer(10)
self.vbox.AddStretchSpacer()
u2_hbox.AddSpacer(10)
forms.static_text(
parent=self.panel, sizer=u2_hbox,
ps=self.tb,
key=uhd_siggen.DESC_KEY,
converter=forms.str_converter(),
)
self.vbox.AddSpacer(5)
self.vbox.AddStretchSpacer()
def main():
try:
# Get command line parameters
(options, args) = uhd_siggen.get_options()
# Create the top block using these
tb = uhd_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="UHD 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 uhd 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()
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