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 __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("-S", "--subdev", type="subdev", default=(0, None), # help="select USRP Rx side A or B (default=A)") 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=146.585e6, help="set frequency to FREQ [default=%default])", metavar="FREQ") parser.add_option("-g", "--gain", type="eng_float", default=20, help="set gain in dB [default=%default]") parser.add_option("-F", "--filter", action="store_true", default=True, help="Enable channel filter") (options, args) = parser.parse_args() if len(args) != 0: parser.print_help() raise SystemExit nchan = 4 if options.filter: sw_decim = 4 else: sw_decim = 1 self.u = usrp.source_c(0, options.decim, fpga_filename="std_4rx_0tx.rbf") if self.u.nddc() < nchan: sys.stderr.write('This code requires an FPGA build with %d DDCs. This FPGA has only %d.\n' % ( nchan, self.u.nddc())) raise SystemExit if not self.u.set_nchannels(nchan): sys.stderr.write('set_nchannels(%d) failed\n' % (nchan,)) raise SystemExit input_rate = self.u.adc_freq() / self.u.decim_rate() print "USB data rate = %s" % (eng_notation.num_to_str(input_rate),) print "Scope data rate = %s" % (eng_notation.num_to_str(input_rate/sw_decim),) self.subdev = self.u.db[0] + self.u.db[1] if (len(self.subdev) != 4 or self.u.db[0][0].dbid() != usrp_dbid.BASIC_RX or self.u.db[1][0].dbid() != usrp_dbid.BASIC_RX): sys.stderr.write('This code requires a Basic Rx board on Sides A & B\n') sys.exit(1) self.u.set_mux(gru.hexint(0xf3f2f1f0)) # deinterleave four channels from FPGA di = gr.deinterleave(gr.sizeof_gr_complex) self.connect(self.u, di) # our destination (8 float inputs) self.scope = scopesink.scope_sink_f(self, panel, sample_rate=input_rate/sw_decim) # taps for channel filter chan_filt_coeffs = optfir.low_pass (1, # gain input_rate, # sampling rate 80e3, # passband cutoff 115e3, # stopband cutoff 0.1, # passband ripple 60) # stopband attenuation #print len(chan_filt_coeffs) # bust the deinterleaved complex channels into floats for i in range(nchan): if options.filter: chan_filt = gr.fir_filter_ccf(sw_decim, chan_filt_coeffs) c2f = gr.complex_to_float() self.connect((di, i), chan_filt, c2f) else: c2f = gr.complex_to_float() self.connect((di, i), c2f) self.connect((c2f, 0), (self.scope, 2*i + 0)) self.connect((c2f, 1), (self.scope, 2*i + 1)) self._build_gui(vbox) self.set_gain(options.gain) self.set_freq(options.freq)