+++ /dev/null
-#!/usr/bin/env python
-#
-# Copyright 2004,2005 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 stdgui, fftsink, waterfallsink, scopesink, 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_flow_graph(stdgui.gui_flow_graph):
- def __init__(self, frame, panel, vbox, argv):
- stdgui.gui_flow_graph.__init__(self)
-
- 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
-
- # build the graph
-
- 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 = \
- waterfallsink.waterfall_sink_c (self, panel, fft_size=1024, sample_rate=input_rate)
- elif options.oscilloscope:
- self.scope = scopesink.scope_sink_c(self, panel, sample_rate=input_rate)
- else:
- self.scope = fftsink.fft_sink_c (self, 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 = stdgui.stdapp(app_flow_graph, "USRP FFT", nstatus=1)
- app.MainLoop()
-
-if __name__ == '__main__':
- main ()
projects / debian / gnuradio / blobdiff