GNU Radio block for interfacing with various radio hardware
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
gr-osmosdr/apps/osmocom_siggen

494 lines
18 KiB

#!/usr/bin/env python3
#
# 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 import analog
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 == analog.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)
try:
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=101,
)
freq_hbox.AddSpacer(3)
except:
pass
corr_hbox.AddSpacer(3)
forms.text_box(
parent=self.panel, sizer=corr_hbox,
label='Freq. Correction (ppm)',
proportion=1,
converter=forms.float_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=2010,
step_size=0.1,
)
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)
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 (0.1-1.0)",
)
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=-1,
max_exp=0,
base=10,
num_steps=100,
)
lvl_hbox.AddSpacer(3)
for gain_name in self.tb.get_gain_names():
range = self.tb[osmocom_siggen.GAIN_RANGE_KEY(gain_name)]
gain = self.tb[osmocom_siggen.GAIN_KEY(gain_name)]
#print gain_name, gain, range.to_pp_string()
if range.start() < range.stop():
gain_hbox = wx.BoxSizer(wx.HORIZONTAL)
amp_vbox.Add(gain_hbox, 0, wx.EXPAND)
amp_vbox.AddSpacer(3)
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(gain_name),
label=gain_name + " Gain (dB)",
)
gain_hbox.AddSpacer(5)
forms.slider(
parent=self.panel, sizer=gain_hbox,
proportion=2,
ps=self.tb,
key=osmocom_siggen.GAIN_KEY(gain_name),
minimum=range.start(),
maximum=range.stop(),
step_size=range.step(),
)
gain_hbox.AddSpacer(3)
##################################################
# Bandwidth controls
##################################################
try:
bw_range = self.tb[osmocom_siggen.BWIDTH_RANGE_KEY]
#print bw_range.to_pp_string()
if bw_range.start() < bw_range.stop():
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()
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=bw_range.start(),
maximum=bw_range.stop(),
step_size=bw_range.step(),
)
bwidth_hbox.AddSpacer(3)
except RuntimeError:
pass
##################################################
# DC Offset controls
##################################################
dc_offset_vbox = forms.static_box_sizer(parent=self.panel,
label="DC Offset Correction",
orient=wx.VERTICAL,
bold=True)
dc_offset_vbox.AddSpacer(3)
# First row of sample rate controls
dc_offset_hbox = wx.BoxSizer(wx.HORIZONTAL)
dc_offset_vbox.Add(dc_offset_hbox, 0, wx.EXPAND)
dc_offset_vbox.AddSpacer(3)
# Add frequency controls to top window sizer
self.vbox.Add(dc_offset_vbox, 0, wx.EXPAND)
self.vbox.AddSpacer(3)
dc_offset_hbox.AddSpacer(3)
forms.text_box(
parent=self.panel, sizer=dc_offset_hbox,
label='Real',
proportion=1,
converter=forms.float_converter(),
ps=self.tb,
key=osmocom_siggen.DC_OFFSET_REAL
)
dc_offset_hbox.AddSpacer(3)
forms.slider(
parent=self.panel, sizer=dc_offset_hbox,
proportion=3,
minimum=-1,
maximum=+1,
step_size=0.001,
ps=self.tb,
key=osmocom_siggen.DC_OFFSET_REAL
)
dc_offset_hbox.AddSpacer(3)
dc_offset_hbox.AddSpacer(3)
forms.text_box(
parent=self.panel, sizer=dc_offset_hbox,
label='Imag',
proportion=1,
converter=forms.float_converter(),
ps=self.tb,
key=osmocom_siggen.DC_OFFSET_IMAG
)
dc_offset_hbox.AddSpacer(3)
forms.slider(
parent=self.panel, sizer=dc_offset_hbox,
proportion=3,
minimum=-1,
maximum=+1,
step_size=0.001,
ps=self.tb,
key=osmocom_siggen.DC_OFFSET_IMAG
)
dc_offset_hbox.AddSpacer(3)
##################################################
# IQ Imbalance controls
##################################################
iq_balance_vbox = forms.static_box_sizer(parent=self.panel,
label="IQ Imbalance Correction",
orient=wx.VERTICAL,
bold=True)
iq_balance_vbox.AddSpacer(3)
# First row of sample rate controls
iq_balance_hbox = wx.BoxSizer(wx.HORIZONTAL)
iq_balance_vbox.Add(iq_balance_hbox, 0, wx.EXPAND)
iq_balance_vbox.AddSpacer(3)
# Add frequency controls to top window sizer
self.vbox.Add(iq_balance_vbox, 0, wx.EXPAND)
self.vbox.AddSpacer(3)
iq_balance_hbox.AddSpacer(3)
forms.text_box(
parent=self.panel, sizer=iq_balance_hbox,
label='Mag',
proportion=1,
converter=forms.float_converter(),
ps=self.tb,
key=osmocom_siggen.IQ_BALANCE_MAG
)
iq_balance_hbox.AddSpacer(3)
forms.slider(
parent=self.panel, sizer=iq_balance_hbox,
proportion=3,
minimum=-1,
maximum=+1,
step_size=0.001,
ps=self.tb,
key=osmocom_siggen.IQ_BALANCE_MAG
)
iq_balance_hbox.AddSpacer(3)
iq_balance_hbox.AddSpacer(3)
forms.text_box(
parent=self.panel, sizer=iq_balance_hbox,
label='Phase',
proportion=1,
converter=forms.float_converter(),
ps=self.tb,
key=osmocom_siggen.IQ_BALANCE_PHA
)
iq_balance_hbox.AddSpacer(3)
forms.slider(
parent=self.panel, sizer=iq_balance_hbox,
proportion=3,
minimum=-1,
maximum=+1,
step_size=0.001,
ps=self.tb,
key=osmocom_siggen.IQ_BALANCE_PHA
)
iq_balance_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()