diff options
Diffstat (limited to 'gr-utils/src/python/qr_fft.py')
| -rwxr-xr-x | gr-utils/src/python/qr_fft.py | 505 |
1 files changed, 505 insertions, 0 deletions
diff --git a/gr-utils/src/python/qr_fft.py b/gr-utils/src/python/qr_fft.py new file mode 100755 index 000000000..c2f06d715 --- /dev/null +++ b/gr-utils/src/python/qr_fft.py @@ -0,0 +1,505 @@ +#!/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 () |