diff options
| author | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2007-09-18 18:59:00 +0000 |
|---|---|---|
| committer | jcorgan <jcorgan@221aa14e-8319-0410-a670-987f0aec2ac5> | 2007-09-18 18:59:00 +0000 |
| commit | e692e71305ecd71d3681fe37f3d76f350d67e276 (patch) | |
| tree | dc320c9261303aa9a92f4d12bdba85f82720d1bf /gnuradio-examples/python/hier/usrp/usrp_fft.py | |
| parent | 6ad04a094ced626e46c210b9847eae46a1ae8e67 (diff) | |
Merge r6461:6464 from jcorgan/t162-staging into trunk.
* Final gr.top_block and gr.hier_block2 implementation inside
gnuradio-core/src/lib/runtime
* Implementation of gr.hier_block2 versions of all the old-style blocks
in blks. These live in blks2.
* Addition of gr.hier_block2 based versions of gr-wxgui blocks
* Conversion of all the example code in gnuradio-examples to use this
new code
* Conversion of all the gr-utils scripts to use the new code
The OFDM examples and related hierarchical blocks have not yet been
converted. Code in the rest of the tree that is outside the core
and example components has also not yet been converted.
git-svn-id: http://gnuradio.org/svn/gnuradio/trunk@6466 221aa14e-8319-0410-a670-987f0aec2ac5
Diffstat (limited to 'gnuradio-examples/python/hier/usrp/usrp_fft.py')
| -rwxr-xr-x | gnuradio-examples/python/hier/usrp/usrp_fft.py | 249 |
1 files changed, 0 insertions, 249 deletions
diff --git a/gnuradio-examples/python/hier/usrp/usrp_fft.py b/gnuradio-examples/python/hier/usrp/usrp_fft.py deleted file mode 100755 index 2dc059e533..0000000000 --- a/gnuradio-examples/python/hier/usrp/usrp_fft.py +++ /dev/null @@ -1,249 +0,0 @@ -#!/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 usrp -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("-R", "--rx-subdev-spec", type="subdev", default=None, - help="select USRP Rx side A or B (default=first one with a daughterboard)") - 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 - - self.u = usrp.source_c(decim_rate=options.decim) - if options.rx_subdev_spec is None: - options.rx_subdev_spec = pick_subdevice(self.u) - self.u.set_mux(usrp.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 = usrp.selected_subdev(self.u, options.rx_subdev_spec) - - input_rate = self.u.adc_freq() / self.u.decim_rate() - - - 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) - - 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() - options.gain = float(g[0]+g[1])/2 - - if options.freq is None: - # if no freq was specified, use the mid-point - r = self.subdev.freq_range() - options.freq = float(r[0]+r[1])/2 - - self.set_gain(options.gain) - - if self.show_debug_info: - self.myform['decim'].set_value(self.u.decim_rate()) - 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.subdev.gain_range() - 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.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) - - def set_decim(self, decim): - ok = self.u.set_decim_rate(decim) - if not ok: - print "set_decim failed" - input_rate = self.u.adc_freq() / self.u.decim_rate() - self.scope.set_sample_rate(input_rate) - if self.show_debug_info: # update displayed values - self.myform['decim'].set_value(self.u.decim_rate()) - self.myform['fs@usb'].set_value(self.u.adc_freq() / self.u.decim_rate()) - return ok - -def main (): - app = stdgui2.stdapp(app_top_block, "USRP FFT", nstatus=1) - app.MainLoop() - -if __name__ == '__main__': - main () |