#!/usr/bin/env python
#
# Copyright 2004,2005,2007,2008,2009 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.wxgui import forms
from gnuradio import gr, gru
from gnuradio import vrt
from gnuradio import eng_notation
from gnuradio.eng_option import eng_option
from gnuradio.wxgui import stdgui2, fftsink2, waterfallsink2, scopesink2, form, slider
from gnuradio.gr import pubsub
from optparse import OptionParser
import wx
import sys
import numpy
import time
class app_top_block(stdgui2.std_top_block, pubsub.pubsub):
def __init__(self, frame, panel, vbox, argv):
stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
pubsub.pubsub.__init__(self)
self.frame = frame
self.panel = panel
parser = OptionParser(option_class=eng_option)
#parser.add_option("-e", "--interface", type="string", default="eth0",
# help="select Ethernet interface, default is eth0")
#parser.add_option("-m", "--mac-addr", type="string", default="",
# help="select USRP by MAC address, default is auto-select")
#parser.add_option("-A", "--antenna", default=None,
# help="select Rx Antenna (only on RFX-series boards)")
#parser.add_option("-d", "--decim", type="int", default=16,
# help="set fgpa decimation rate to DECIM [default=%default]")
#parser.add_option("-f", "--freq", type="eng_float", default=None,
# help="set frequency to FREQ", metavar="FREQ")
#parser.add_option("-g", "--gain", type="eng_float", default=None,
# help="set gain in dB (default is midpoint)")
parser.add_option("-W", "--waterfall", action="store_true", default=False,
help="Enable waterfall display")
parser.add_option("-S", "--oscilloscope", action="store_true", default=False,
help="Enable oscilloscope display")
parser.add_option("", "--avg-alpha", type="eng_float", default=1e-1,
help="Set fftsink averaging factor, default=[%default]")
parser.add_option("", "--ref-scale", type="eng_float", default=1.0,
help="Set dBFS=0dB input value, default=[%default]")
parser.add_option("--fft-size", type="int", default=1024,
help="Set number of FFT bins [default=%default]")
parser.add_option("--samples-per-pkt", type="int", default=0,
help="Set number of SAMPLES-PER-PKT [default=%default]")
parser.add_option("", "--ip-addr", type="string", default="192.168.10.2",
help="IP address default=[%default]")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
self.options = options
self.show_debug_info = True
self.u = vrt.quadradio_source_32fc(options.ip_addr,
int(62.5e6), options.samples_per_pkt)
#self.u.set_decim(options.decim)
#input_rate = self.u.adc_rate() / self.u.decim()
input_rate = int(120e6/4)
if options.waterfall:
self.scope = \
waterfallsink2.waterfall_sink_c (panel, fft_size=1024, sample_rate=input_rate)
elif options.oscilloscope:
self.scope = scopesink2.scope_sink_c(panel, sample_rate=input_rate)
else:
self.scope = fftsink2.fft_sink_c (panel,
fft_size=options.fft_size,
sample_rate=input_rate,
ref_scale=options.ref_scale,
ref_level=20.0,
y_divs = 12,
avg_alpha=options.avg_alpha)
self.connect(self.u, self.scope)
self._build_gui(vbox)
self._setup_events()
# set initial values
#if options.gain is None:
# # if no gain was specified, use the mid-point in dB
# g = self.u.gain_range()
# options.gain = float(g[0]+g[1])/2
#if options.freq is None:
# # if no freq was specified, use the mid-point
# r = self.u.freq_range()
# options.freq = float(r[0]+r[1])/2
#self.set_gain(options.gain)
#if options.antenna is not None:
# print "Selecting antenna %s" % (options.antenna,)
# self.subdev.select_rx_antenna(options.antenna)
if self.show_debug_info:
# self.myform['decim'].set_value(self.u.decim())
self.myform['fs@gbe'].set_value(input_rate)
# self.myform['dbname'].set_value("0x%04X" % (self.u.daughterboard_id(),)) # FIXME: add text name
self.myform['baseband'].set_value(0)
self.myform['ddc'].set_value(0)
#if not(self.set_freq(options.freq)):
# self._set_status_msg("Failed to set initial frequency")
def _set_status_msg(self, msg):
self.frame.GetStatusBar().SetStatusText(msg, 0)
def _build_gui(self, vbox):
def _form_set_freq(kv):
return self.set_freq(kv['freq'])
vbox.Add(self.scope.win, 10, wx.EXPAND)
# add control area at the bottom
self.myform = myform = form.form()
hbox = wx.BoxSizer(wx.HORIZONTAL)
hbox.Add((5,0), 0, 0)
myform['freq'] = form.float_field(
parent=self.panel, sizer=hbox, label="Center freq", weight=1,
callback=myform.check_input_and_call(_form_set_freq, self._set_status_msg))
hbox.Add((5,0), 0, 0)
#g = self.u.gain_range()
# some configurations don't have gain control
if 0 and g[1] > g[0]:
myform['gain'] = form.slider_field(parent=self.panel, sizer=hbox, label="Gain",
weight=3,
min=int(g[0]), max=int(g[1]),
callback=self.set_gain)
hbox.Add((5,0), 0, 0)
vbox.Add(hbox, 0, wx.EXPAND)
self._build_subpanel(vbox)
def _build_subpanel(self, vbox_arg):
# build a secondary information panel (sometimes hidden)
# FIXME figure out how to have this be a subpanel that is always
# created, but has its visibility controlled by foo.Show(True/False)
def _form_set_decim(kv):
return self.set_decim(kv['decim'])
if not(self.show_debug_info):
return
panel = self.panel
vbox = vbox_arg
myform = self.myform
#panel = wx.Panel(self.panel, -1)
#vbox = wx.BoxSizer(wx.VERTICAL)
hbox = wx.BoxSizer(wx.HORIZONTAL)
hbox.Add((5,0), 0)
myform['decim'] = form.int_field(
parent=panel, sizer=hbox, label="Decim",
callback=myform.check_input_and_call(_form_set_decim, self._set_status_msg))
hbox.Add((5,0), 1)
myform['fs@gbe'] = form.static_float_field(
parent=panel, sizer=hbox, label="Fs@GbE")
hbox.Add((5,0), 1)
myform['dbname'] = form.static_text_field(
parent=panel, sizer=hbox)
hbox.Add((5,0), 1)
myform['baseband'] = form.static_float_field(
parent=panel, sizer=hbox, label="Analog BB")
hbox.Add((5,0), 1)
myform['ddc'] = form.static_float_field(
parent=panel, sizer=hbox, label="DDC")
hbox.Add((5,0), 0)
vbox.Add(hbox, 0, wx.EXPAND)
##### db control stuff #####
self.subscribe('cal_div_lo_freq', lambda x: self.u.set_lo_freq(x) and time.sleep(0.01))
self.subscribe('cal_div_lo_freq', self.u.set_center_freq) #TODO should be combined with set lo freq
self.subscribe('cal_div_cal_freq', lambda x: self.u.set_cal_freq(x) and time.sleep(0.01))
self.subscribe('db_ctrl_atten0', self.u.set_attenuation0)
self.subscribe('db_ctrl_atten1', self.u.set_attenuation1)
self.subscribe('sys_beaming', self.u.set_beamforming)
#self.subscribe('db_ctrl_10db', self.u.set_10dB_atten)
self.subscribe('db_ctrl_adcgain', self.u.set_adc_gain)
self.subscribe('db_ctrl_diggain', self.u.set_digital_gain)
self.subscribe('db_ctrl_dcoffset', self.u.set_dc_offset_comp)
self.subscribe('db_ctrl_bandsel', self.u.set_band_select)
self.subscribe('db_ctrl_type', self.u.select_rx_antenna)
self.subscribe('db_test_signal', self.u.set_test_signal)
self['db_ctrl_bandsel'] = 'A'
self['cal_div_lo_freq'] = 2.1e9
self['cal_div_cal_freq'] = 2.102e9
self['db_ctrl_atten0'] = 0
self['db_ctrl_atten1'] = 0
#self['db_ctrl_10db'] = False
self['db_ctrl_adcgain'] = False
self['db_ctrl_dcoffset'] = False
self['db_ctrl_diggain'] = 0.0
self['db_ctrl_type'] = 'rf'
self['db_test_signal'] = vrt.VRT_TEST_SIG_NORMAL
self['sys_beaming'] = [16.7e6, 0, 0, 0]
#slider and box for freqs
for key, name in (('cal_div_lo_freq', 'LO Freq'), ('cal_div_cal_freq', 'Cal Freq')):
hbox = wx.BoxSizer(wx.HORIZONTAL)
hbox.AddSpacer(10)
forms.text_box(
label=name,
ps=self,
key=key,
sizer=hbox,
parent=panel,
proportion=0,
converter=forms.float_converter()
)
hbox.AddSpacer(20)
forms.slider(
ps=self,
key=key,
minimum=0, #TODO get bounds from cal_div, from vrt...
maximum=int(3.5e9),
step_size=int(5e6),
cast=float,
sizer=hbox,
parent=panel,
proportion=2,
)
hbox.AddSpacer(10)
vbox.Add(hbox, 0, wx.EXPAND)
############################################
hbox = wx.BoxSizer(wx.HORIZONTAL)
hbox.AddSpacer(10)
#create slider for atten
atten0_txt_box = forms.static_text(
label='Attenuation (0)',
ps=self,
key='db_ctrl_atten0',
sizer=hbox,
parent=panel,
proportion=0,
converter=forms.int_converter()
)
hbox.AddSpacer(20)
atten0_slider = forms.slider(
ps=self,
key='db_ctrl_atten0',
minimum=0,
maximum=31,
step_size=1,
cast=int,
sizer=hbox,
parent=panel,
proportion=2,
)
hbox.AddSpacer(10)
#create slider for atten
forms.static_text(
label='Attenuation (1)',
ps=self,
key='db_ctrl_atten1',
sizer=hbox,
parent=panel,
proportion=0,
converter=forms.int_converter()
)
hbox.AddSpacer(20)
forms.slider(
ps=self,
key='db_ctrl_atten1',
minimum=0,
maximum=31,
step_size=1,
cast=int,
sizer=hbox,
parent=panel,
proportion=2,
)
hbox.AddSpacer(10)
def update_atten0(*args):
for form_obj in (atten0_txt_box, atten0_slider): form_obj.Enable(self['db_ctrl_bandsel'] > 'B')
update_atten0()
self.subscribe('db_ctrl_bandsel', update_atten0)
#create checkbox for 10dB att
#forms.check_box(
# label='10dB Attenuation',
# ps=self,
# key='db_ctrl_10db',
# sizer=hbox,
# parent=panel,
# proportion=1,
#)
#hbox.AddSpacer(10)
vbox.Add(hbox, 0, wx.EXPAND)
hbox2 = wx.BoxSizer(wx.HORIZONTAL)
hbox2.AddSpacer(10)
forms.static_text(
label='ADC Controls',
ps=self,
key='db_ctrl_diggain',
sizer=hbox2,
parent=panel,
proportion=0,
converter=forms.float_converter()
)
hbox2.AddSpacer(20)
#create checkbox for ADC digital gain
forms.slider(
#label='ADC Digital Gain',
ps=self,
minimum=0,
maximum=6,
step_size=0.5,
key='db_ctrl_diggain',
sizer=hbox2,
parent=panel,
proportion=2,
)
hbox2.AddSpacer(10)
#create checkbox for 3.5dB ADC gain
forms.check_box(
label='3.5dB ADC Gain',
ps=self,
key='db_ctrl_adcgain',
sizer=hbox2,
parent=panel,
proportion=1,
)
hbox2.AddSpacer(10)
#create checkbox for DC Offset Correction in ADC
forms.check_box(
label='DC Offset Correction',
ps=self,
key='db_ctrl_dcoffset',
sizer=hbox2,
parent=panel,
proportion=2,
)
hbox2.AddSpacer(10)
vbox.Add(hbox2, 0, wx.EXPAND)
hbox = wx.BoxSizer(wx.HORIZONTAL)
hbox.AddSpacer(10)
#create radio buttons for band sel
forms.radio_buttons(
label='Band Select',
ps=self,
key='db_ctrl_bandsel',
choices=['A', 'B', 'C', 'D'],
labels=['A', 'B', 'C', 'D'],
sizer=hbox,
parent=panel,
proportion=0,
)
hbox.AddSpacer(10)
forms.radio_buttons(
label='RF Input',
ps=self,
key='db_ctrl_type',
choices=['rf', 'cal'],
labels=['Main RF', 'Calibrator'],
sizer=hbox,
parent=panel,
proportion=0,
)
hbox.AddSpacer(10)
#create radio buttons for band sel
types = sorted(
filter(lambda x: x.startswith('VRT_TEST_SIG_'), dir(vrt)),
lambda x, y: cmp(getattr(vrt, x), getattr(vrt, y)),
)
forms.drop_down(
label='Test Signal',
ps=self,
key='db_test_signal',
choices=map(lambda a: getattr(vrt, a), types),
labels=types,
sizer=hbox,
parent=panel,
proportion=0,
)
hbox.AddSpacer(10)
#create radio buttons for type
forms.drop_down(
label='Beamformer',
ps=self,
key='sys_beaming',
choices=[[16.7e6, 0, 0, 0], [0, 16.7e6, 0, 0], [0, 0, 16.7e6, 0], [0, 0, 0, 16.7e6], [4.19e6]*4],
labels=['Ant0', 'Ant1', 'Ant2', 'Ant3', 'Equal Gain'],
sizer=hbox,
parent=panel,
proportion=0,
)
hbox.AddSpacer(10)
vbox.Add(hbox, 0, wx.EXPAND)
def set_freq(self, target_freq):
"""
Set the center frequency we're interested in.
@param target_freq: frequency in Hz
@rypte: bool
Tuning is a two step process. First we ask the front-end to
tune as close to the desired frequency as it can. Then we use
the result of that operation and our target_frequency to
determine the value for the digital down converter.
"""
return True
r = self.u.set_center_freq(target_freq)
if r:
self.myform['freq'].set_value(target_freq) # update displayed value
if self.show_debug_info:
self.myform['baseband'].set_value(r.baseband_freq)
self.myform['ddc'].set_value(r.dxc_freq)
if not self.options.oscilloscope:
self.scope.win.set_baseband_freq(target_freq)
return True
return False
def set_gain(self, gain):
return True
if self.myform.has_key('gain'):
self.myform['gain'].set_value(gain) # update displayed value
self.u.set_gain(gain)
def set_decim(self, decim):
return True
ok = self.u.set_decim(decim)
if not ok:
print "set_decim failed"
#input_rate = self.u.adc_rate() / self.u.decim()
input_rate = 120e6/4
self.scope.set_sample_rate(input_rate)
if self.show_debug_info: # update displayed values
self.myform['decim'].set_value(self.u.decim())
self.myform['fs@gbe'].set_value(input_rate)
return ok
def _setup_events(self):
if not self.options.waterfall and not self.options.oscilloscope:
self.scope.win.Bind(wx.EVT_LEFT_DCLICK, self.evt_left_dclick)
def evt_left_dclick(self, event):
(ux, uy) = self.scope.win.GetXY(event)
if event.CmdDown():
# Re-center on maximum power
points = self.scope.win._points
if self.scope.win.peak_hold:
if self.scope.win.peak_vals is not None:
ind = numpy.argmax(self.scope.win.peak_vals)
else:
ind = int(points.shape()[0]/2)
else:
ind = numpy.argmax(points[:,1])
(freq, pwr) = points[ind]
target_freq = freq/self.scope.win._scale_factor
print ind, freq, pwr
self.set_freq(target_freq)
else:
# Re-center on clicked frequency
target_freq = ux/self.scope.win._scale_factor
self.set_freq(target_freq)
def main ():
app = stdgui2.stdapp(app_top_block, "QuadRadio FFT", nstatus=1)
app.MainLoop()
if __name__ == '__main__':
main ()