--- /dev/null
+#!/usr/bin/env python
+#
+# Copyright 2004,2005,2007,2008 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
+import numpy
+
+from gnuradio import gpio
+
+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: #disable the use of RXB
+ # 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 USRP (0, 1, ...) default is %default",
+ metavar="NUM")
+# 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("-A", "--antenna", default=None,
+ help="select Rx Antenna (only on RFX-series boards)")
+ parser.add_option("-d", "--decim", type="int", default=32,
+ help="set fgpa decimation rate to DECIM [default=%default]")
+ parser.add_option("-f", "--freq", type="eng_float", default=0.0,
+ 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( "--no-hb", action="store_true", default=False,
+# help="don't use halfband filter in usrp")
+ parser.add_option("-S", "--oscilloscope", action="store_true", default=False,
+ help="Enable oscilloscope display (default)")
+ parser.add_option("-F", "--fft", action="store_true", default=False,
+ help="Enable FFT display")
+ parser.add_option("-n", "--frame-decim", type="int", default=1,
+ help="set oscope frame decimation factor to n [default=1]")
+ parser.add_option("-v", "--v-scale", type="eng_float", default=1,
+ help="set oscope initial V/div to SCALE [default=%default]")
+ parser.add_option("-t", "--t-scale", type="eng_float", default=10e-6,
+ help="set oscope initial s/div to SCALE [default=10us]")
+ parser.add_option ("--digital", action="store_true", default=False,
+ help="show (only) the digital wave on lsb (will be input from gpio pins with special usrp firmware)")
+ parser.add_option ("--analog", action="store_true", default=False,
+ help="show (only) the analog wave on msbs (will be input from analog inputs)")
+ parser.add_option ("--file", default=None,
+ help="input from file FILE in stead of USRP (will be input from raw file in interleaved short format)")
+ (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 = usrp.source_s(which=options.which, decim_rate=options.decim, fpga_filename=gpio.fpga_filename)
+
+ print "Warning: This script only supports boards on RXA, change the script if you want otherwise"
+ #options.rx_subdev_spec=(0, 0)#force the use of RXA
+ options.rx_subdev_spec=None #force the use of RXA
+
+ if options.rx_subdev_spec is None:
+ options.rx_subdev_spec = pick_subdevice(self.u)
+
+ #This hardcoded mux setting is why this script only supports RXA
+ #We want both I and Q active, even when using basicRX
+ #set to 0x10 for RXA
+ #set to 0x32 for RXB
+ self.u.set_mux(0x10) #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)
+ #if options.rx_subdev_spec==(0,0):
+ # rx_subdev_spec2=(0,1)
+ # self.subdev2 = usrp.selected_subdev(self.u, rx_subdev_spec2)
+ 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.fft:
+ self.scope = fftsink2.fft_sink_c (panel, fft_size=1024, sample_rate=input_rate)
+ else: # options.oscilloscope:
+ #self.scope = scopesink2.scope_sink_c(panel, sample_rate=input_rate)
+ self.scope = scopesink2.scope_sink_c(panel, sample_rate=input_rate,
+ frame_decim=options.frame_decim,
+ v_scale=options.v_scale,
+ t_scale=options.t_scale)
+
+ self.is2c = gr.interleaved_short_to_complex()
+ if not (options.file is None):
+ self.filesrc=gr.file_source(gr.sizeof_short, options.file, True)
+ thr = gr.throttle(gr.sizeof_short, input_rate)
+ self.connect(self.filesrc,thr,self.is2c,self.scope)
+ elif options.digital:
+ self.select_dig=gpio.and_const_ss(0x0001)
+ self.connect(self.u, self.select_dig,self.is2c,self.scope)
+ elif options.analog:
+ self.select_ana=gpio.and_const_ss(0xFFFE)
+ self.connect(self.u, self.select_ana,self.is2c,self.scope)
+ else:
+ self.connect(self.u,self.is2c,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.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 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['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)
+ if not self.options.waterfall and not self.options.oscilloscope:
+ self.scope.win.set_baseband_freq(target_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 _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, "USRP FFT", nstatus=1)
+ app.MainLoop()
+
+if __name__ == '__main__':
+ main ()
projects / debian / gnuradio / blobdiff