#!/usr/bin/env python # # Copyright 2004,2005,2006 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 2, 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., 59 Temple Place - Suite 330, # Boston, MA 02111-1307, USA. # # print "Loading revised usrp_oscope with additional options for scopesink..." 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 import time from gnuradio import usrp_multi 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=128, 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)") #align interval is default not yet enabled in gr.align_on_samplenumbers_ss #parser.add_option("-a", "--align_interval", type="int", default=-1, # help="Align master and slave every so much samples.") # width 8 does not work yet with multi_usrp because it interferes with the 32 bit samplecounter #parser.add_option("-8", "--width-8", action="store_true", default=False, # help="Enable 8-bit samples across USB") parser.add_option("-m", "--mux", type="intx", default=None, help="set fpga FR_RX_MUX register to MUX") parser.add_option("-n", "--frame-decim", type="int", default=1, help="set oscope frame decimation factor to n [default=1]") parser.add_option("-N", "--nchan", type="int", default=2, help="set nchannels to NCHAN") parser.add_option("-q", "--show-q", action="store_true", default=False, help="show the q value of the complex samples") parser.add_option("-s", "--show-counters", action="store_true", default=False, help="show the counters") parser.add_option("-v", "--v-scale", type="eng_float", default=1000, help="set oscope initial V/div to SCALE [default=%default]") parser.add_option("-t", "--t-scale", type="eng_float", default=49e-6, help="set oscope initial s/div to SCALE [default=50us]") parser.add_option("-x", "--master-serialno", type="string", default=None, help="Serial_no of the usrp which should be the MASTER (default= select any)") (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(which=options.which_usrp,decim_rate=options.decim) if (options.mux is None) | (4==options.nchan): init_mux=None #use default mux which is 0x10321032 else: init_mux=options.mux init_gain=0.0 init_freq=0.0 init_align_interval=-1 self.multi=usrp_multi.multi_source_align( self, options.master_serialno, options.decim, options.nchan, init_gain, init_freq, init_mux, init_align_interval) self.um=self.multi.get_master_usrp() self.us=self.multi.get_slave_usrp() if options.rx_subdev_spec is None: options.rx_subdev_spec = pick_subdevice(self.um) if (options.mux==None) and (options.nchan!=4): mux=usrp.determine_rx_mux_value(self.um, options.rx_subdev_spec) mux= (mux<<8 & 0xffffffff) | (mux & 0xff) self.um.set_mux(mux) self.us.set_mux(mux) # width 8 does not work yet with multi_usrp because it interferes with the 32 bit samplecounter #if options.width_8: # width = 8 # shift = 8 # format = self.um.make_format(width, shift) # r = self.um.set_format(format) # r = self.us.set_format(format) # determine the daughterboard subdevice of the first channel we're using self.subdevm = usrp.selected_subdev(self.um, options.rx_subdev_spec) self.subdevs = usrp.selected_subdev(self.us, options.rx_subdev_spec) input_rate = self.um.adc_freq() / self.um.decim_rate() self.scope = scopesink.scope_sink_f(self, panel, sample_rate=input_rate, frame_decim=options.frame_decim, v_scale=options.v_scale, t_scale=options.t_scale) self.sink_count=0 self.add_to_scope((self.multi.get_master_source_c(),1),options.show_q) self.add_to_scope((self.multi.get_slave_source_c(),1),options.show_q) if 4==options.nchan: self.add_to_scope((self.multi.get_master_source_c(),2),options.show_q) self.add_to_scope((self.multi.get_slave_source_c(),2),options.show_q) if options.show_counters: self.add_to_scope((self.multi.get_master_source_c(),0),options.show_q) self.add_to_scope((self.multi.get_slave_source_c(),0),options.show_q) 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.subdevm.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.subdevm.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.um.decim_rate()) self.myform['fs@usb'].set_value(self.um.adc_freq() / self.um.decim_rate()) self.myform['dbname'].set_value(self.subdevm.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") self.multi.print_db_info() self.unsynced=True frame.Bind(wx.EVT_IDLE, self.onIdle) def add_to_scope(self,source_c,show_q): c2f= gr.complex_to_float () self.connect(source_c, c2f) self.connect((c2f,0), (self.scope,self.sink_count)) self.sink_count=self.sink_count+1 if show_q: self.connect((c2f,1), (self.scope,self.sink_count)) self.sink_count=self.sink_count+1 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.subdevm.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) buttonSync = form.button_with_callback(parent=self.panel, label='sync',callback=self.sync_usrps) hbox.Add(buttonSync,0,wx.EXPAND) 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) 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.static_float_field( parent=panel, sizer=hbox, label="Decim") 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, sync=True): """ Set the center frequency we're interested in for all channels, on all rx daughterboards on MASTER and SLAVE. @param target_freq: frequency in Hz @param sync: sync the usrps after setting the freqs (this will clear any phase differences in the DDCS) @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. """ result,r1,r2,r3,r4 = self.multi.tune_all_rx(target_freq) if sync: self.sync_usrps() #sync master and slave and clear any DDC phase differences if r1: self.myform['freq'].set_value(target_freq) # update displayed value if self.show_debug_info: self.myform['baseband'].set_value(r1.baseband_freq) self.myform['ddc'].set_value(r1.dxc_freq) return result def set_freq_chan0(self, target_freq, sync=True): """ Set the center frequency we're interested in for rx chan 0 only on MASTER and SLAVE. @param target_freq: frequency in Hz @param sync: sync the usrps after setting the freqs (this will clear any phase differences in the DDCS) @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. """ rm = usrp.tune(self.um, 0, self.subdevm, target_freq) rs = usrp.tune(self.us, 0, self.subdevs, target_freq) r=rm if sync: self.sync_usrps() #sync master and slave and clear any DDC phase differences 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.multi.set_gain_all_rx(gain) def set_gain_chan0(self, gain): self.myform['gain'].set_value(gain) # update displayed value self.subdevm.set_gain(gain) self.subdevs.set_gain(gain) def onIdle(self,evt): if self.unsynced: time.sleep(0.5) self.unsynced=True self.multi.sync() self.unsynced=False #print 'synced' def sync_usrps(self): self.multi.sync() def main (): app = stdgui.stdapp(app_flow_graph, "MULTI_USRP O'scope", nstatus=1) app.MainLoop() if __name__ == '__main__': main ()