#!/usr/bin/env python
#
# Copyright 2004,2005,2007 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, gru
from gnuradio import msdd
from gnuradio import eng_notation
from gnuradio.eng_option import eng_option
from gnuradio.wxgui import stdgui2, fftsink2, waterfallsink2, scopesink2, form, slider
from optparse import OptionParser
import wx
import sys
def pick_subdevice(u):
"""
The user didn't specify a subdevice on the command line.
If there's a daughterboard on A, select A.
If there's a daughterboard on B, select B.
Otherwise, select A.
"""
if u.db[0][0].dbid() >= 0: # dbid is < 0 if there's no d'board or a problem
return (0, 0)
if u.db[1][0].dbid() >= 0:
return (1, 0)
return (0, 0)
class app_top_block(stdgui2.std_top_block):
def __init__(self, frame, panel, vbox, argv):
stdgui2.std_top_block.__init__(self, frame, panel, vbox, argv)
self.frame = frame
self.panel = panel
parser = OptionParser(option_class=eng_option)
parser.add_option("-w", "--which", type="int", default=0,
help="select which MSDD (0, 1, ...) default is %default",
metavar="NUM")
parser.add_option("-R", "--rx-subdev-spec", type="subdev", default=None,
help="select MSDD Rx side A or B (default=first one with a daughterboard)")
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("-8", "--width-8", action="store_true", default=False,
help="Enable 8-bit samples across USB")
parser.add_option("-S", "--oscilloscope", action="store_true", default=False,
help="Enable oscilloscope display")
(options, args) = parser.parse_args()
if len(args) != 0:
parser.print_help()
sys.exit(1)
self.show_debug_info = True
# build the graph
#self.u = MSDD.source_simo(which=options.which, decim_rate=options.decim)
self.u = msdd.source_simple("192.168.1.200", 0)
self.u.set_decim_rate(options.decim) #(16)
# msdd_src = gr.file_source(gr.sizeof_gr_complex, 'msdd.dat')
# thr = gr.throttle(gr.sizeof_gr_complex, 200000)
# self.connect(msdd_src, thr)
# if options.rx_subdev_spec is None:
# options.rx_subdev_spec = pick_subdevice(self.u)
# self.u.set_mux(MSDD.determine_rx_mux_value(self.u, options.rx_subdev_spec))
# if options.width_8:
# width = 8
# shift = 8
# format = self.u.make_format(width, shift)
# print "format =", hex(format)
# r = self.u.set_format(format)
# print "set_format =", r
# determine the daughterboard subdevice we're using
# self.subdev = MSDD.selected_subdev(self.u, options.rx_subdev_spec)
# print "Initial Freq", self.u.rx_freq(0), "deci: ", self.u.decim_rate()
# input_rate = 50e6 / self.u.decim_rate()
input_rate = 50e6 / options.decim;
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=1024, sample_rate=input_rate)
# self.connect(self.u, self.scope)
msdd_sink = gr.file_sink(gr.sizeof_gr_complex, 'schmen1.dat')
self.conv = gr.interleaved_short_to_complex();
self.connect(self.u, self.conv, msdd_sink)
self._build_gui(vbox)
# set initial values
if options.gain is None:
# if no gain was specified, use the mid-point in dB
#g = self.subdev.gain_range()
self.gain_range = (20,70,.5);
options.gain = float(self.gain_range[0]+self.gain_range[1])/2
if options.freq is None:
# if no freq was specified, use the mid-point
#r = self.subdev.freq_range()
r = (30e6,6e9,1e6)
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_rate())
self.myform['decim'].set_value(options.decim)
# self.myform['fs@usb'].set_value(self.u.adc_freq() / self.u.decim_rate())
# self.myform['dbname'].set_value(self.subdev.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.gain_range = (20,50,.5);
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@usb'] = form.static_float_field(
# parent=panel, sizer=hbox, label="Fs@USB")
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)
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.
"""
r = self.u.set_rx_freq (0, target_freq)
#r = self.u.tune(0, self.subdev, 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)
return True
return False
def set_gain(self, gain):
self.myform['gain'].set_value(gain) # update displayed value
#self.subdev.set_gain(gain)
self.u.set_pga(0, gain)
def set_decim(self, decim):
ok = self.u.set_decim_rate(decim)
if not ok:
print "set_decim failed"
#input_rate = 20e6 / self.u.decim_rate()
#self.scope.set_sample_rate(input_rate)
if self.show_debug_info: # update displayed values
self.myform['decim'].set_value(decim)
#self.myform['fs@usb'].set_value(self.u.adc_freq() / self.u.decim_rate())
return ok
def main ():
app = stdgui2.stdapp(app_top_block, "MSDD FFT", nstatus=1)
app.MainLoop()
if __name__ == '__main__':
main ()