From b5a766ad3cf7ace8184a93912fcda3cbfb5c1279 Mon Sep 17 00:00:00 2001 From: leo Date: Fri, 18 Apr 2008 00:54:06 +0100 Subject: patch 20080411 --- gsm-tvoid/src/python/gsm_scan.py | 584 +++++++++++++++++++++++++-------------- 1 file changed, 369 insertions(+), 215 deletions(-) (limited to 'gsm-tvoid') diff --git a/gsm-tvoid/src/python/gsm_scan.py b/gsm-tvoid/src/python/gsm_scan.py index 5d48ce5..5e3edfc 100755 --- a/gsm-tvoid/src/python/gsm_scan.py +++ b/gsm-tvoid/src/python/gsm_scan.py @@ -1,13 +1,14 @@ #!/usr/bin/env python # TODO: -# * Adjust offset by PPM -# * Auto-tune offset (add option to enable) # * Add status info to window (frequency, offset, etc) # * Put direct frequency tuning back # * Add rate-limited file reads (throttle?) # * Make console only version # * Reset burst_stats on retune # * Add better option checking +# * Wideband (multi-channel) processing (usrp and/or file input) +# * Automatic beacon scan (quick scan RSSI, then check for BCCH) +# * AGC import sys @@ -26,6 +27,64 @@ from math import pi import wx import gsm +#################### +class burst_callback(gr.feval_ll): + def __init__(self, fg): + gr.feval_ll.__init__(self) + self.fg = fg + self.offset_mean_num = 10 #number of FCCH offsets to average + self.offset_vals = [] + +#################### + def eval(self, x): + #print "burst_callback: eval(",x,")\n"; + try: + #TODO: rework so this will work on file input + if gsm.BURST_CB_SYNC_OFFSET == x: + #print "burst_callback: SYNC_OFFSET\n"; + if self.fg.options.tuning.count("o"): + last_offset = self.fg.burst.last_freq_offset() + self.fg.offset -= last_offset + #print "burst_callback: SYNC_OFFSET:", last_offset, " ARFCN: ", self.fg.channel, "\n"; + self.fg.set_channel(self.fg.channel) + + elif gsm.BURST_CB_ADJ_OFFSET == x: + last_offset = self.fg.burst.last_freq_offset() + + self.offset_vals.append(last_offset) + count = len(self.offset_vals) + #print "burst_callback: ADJ_OFFSET:", last_offset, ", count=",count,"\n"; + + if count >= self.offset_mean_num: + sum = 0.0 + while len(self.offset_vals): + sum += self.offset_vals.pop(0) + + self.fg.mean_offset = sum / self.offset_mean_num + + #print "burst_callback: mean offset:", self.fg.mean_offset, "\n"; + + #retune if greater than 100 Hz + if abs(self.fg.mean_offset) > 100.0: + #print "burst_callback: mean offset adjust:", self.fg.mean_offset, "\n"; + if self.fg.options.tuning.count("o"): + #print "burst_callback: tuning.\n"; + self.fg.offset -= self.fg.mean_offset + self.fg.set_channel(self.fg.channel) + + elif gsm.BURST_CB_TUNE == x and self.fg.options.tuning.count("h"): + #print "burst_callback: BURST_CB_TUNE: ARFCN: ", self.fg.burst.next_arfcn, "\n"; + if self.fg.options.tuning.count("h"): + #print "burst_callback: tuning.\n"; + self.fg.set_channel(self.fg.burst.next_arfcn) + + return 0 + + except Exception, e: + print >> sys.stderr, "burst_callback: Exception: ", e + + +#################### def pick_subdevice(u): if u.db[0][0].dbid() >= 0: return (0, 0) @@ -33,6 +92,7 @@ def pick_subdevice(u): return (1, 0) return (0, 0) +#################### def get_freq_from_arfcn(chan,region): #P/E/R-GSM 900 @@ -69,13 +129,36 @@ def get_freq_from_arfcn(chan,region): return freq * 1e6 +#################### 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 + self.parse_options() + self.setup_flowgraph() + self.setup_print_options() + self._build_gui(vbox) + + #some non-gui wxwindows handlers + self.t1 = wx.Timer(self.frame) + self.t1.Start(5000,0) + self.frame.Bind(wx.EVT_TIMER, self.on_tick) + + #bind the idle routing for message_queue processing + self.frame.Bind(wx.EVT_IDLE, self.on_idle) + #tune + self.set_channel(self.channel) + + #giddyup + self.status_msg = "Started." + + +#################### + def parse_options(self): parser = OptionParser(option_class=eng_option) #view options @@ -85,25 +168,26 @@ class app_flow_graph(stdgui.gui_flow_graph): help="What to print on console. [default=%default]\n" + "(n)othing, (e)verything, (s)tatus, (a)ll Types, (k)nown, (u)nknown, \n" + "TS(0), (F)CCH, (S)CH, (N)ormal, (D)ummy\n" + - "Usefull (b)its, All TS (B)its, (C)orrelation bits, he(x) burst data, \n" + + "Usefull (b)its, All TS (B)its, (C)orrelation bits, he(x) raw burst data, \n" + "(d)ecoded hex for gsmdecode") #decoder options parser.add_option("-D", "--decoder", type="string", default="f", help="Select decoder block to use. (c)omplex,(f)loat [default=%default]") - parser.add_option("-d", "--decim", type="int", default=112, - help="Set fgpa decimation rate to DECIM [default=%default]") - parser.add_option("-o", "--offset", type="eng_float", default=0.0, - help="Tuning offset frequency") - parser.add_option("-C", "--clock-offset", type="eng_float", default=0.0, - help="Sample clock offset frequency") parser.add_option("-E", "--equalizer", type="string", default="none", help="Type of equalizer to use. none, fixed-dfe [default=%default]") - parser.add_option("-t", "--timing", type="string", default="cq", + parser.add_option("-t", "--timing", type="string", default="cn", help="Type of timing techniques to use. [default=%default] \n" + "(n)one, (c)orrelation track, (q)uarter bit, (f)ull04 ") + #tuning options + parser.add_option("-T", "--tuning", type="string", default="oh", + help="Type of tuning to perform. [default=%default] \n" + + "(n)one, (o)ffset adjustment, (h)opping ") + parser.add_option("-o", "--offset", type="eng_float", default=0.0, + help="Tuning offset frequency") + #file options parser.add_option("-I", "--inputfile", type="string", default=None, help="Select a capture file to read") @@ -113,12 +197,23 @@ class app_flow_graph(stdgui.gui_flow_graph): help="Continuously loop data from input file") #usrp options + parser.add_option("-d", "--decim", type="int", default=112, + help="Set USRP decimation rate to DECIM [default=%default]") 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("--fusb-block-size", type="int", default=0, + help="Set USRP blocksize") + parser.add_option("--fusb-nblocks", type="int", default=0, + help="Set USRP block buffers") + parser.add_option("--realtime",action="store_true", dest="realtime", + help="Use realtime scheduling.") + parser.add_option("-C", "--clock-offset", type="eng_float", default=0.0, + help="Sample clock offset frequency") + #FIXME: gain not working? parser.add_option("-g", "--gain", type="eng_float", default=None, help="Set gain in dB (default is midpoint)") - parser.add_option("-c", "--channel", type="int", default=None, + parser.add_option("-c", "--channel", type="int", default=1, help="Tune to GSM ARFCN. Overrides --freq") parser.add_option("-r", "--region", type="string", default="u", help="Frequency bands to use for channels. (u)s or (e)urope [default=%default]") @@ -129,27 +224,129 @@ class app_flow_graph(stdgui.gui_flow_graph): parser.print_help() sys.exit(1) +# if (options.inputfile and ( options.freq or options.rx_subdev_spec or options.gain)): +# print "datafile option cannot be used with USRP options." +# sys.exit(1) + + self.options = options self.scopes = options.scopes self.region = options.region self.channel = options.channel self.offset = options.offset - + +#################### + def setup_print_options(self): + options = self.options + self.print_status = options.print_console.count('s') - + if options.print_console.count('e'): self.print_status = 1 + + #console print options + popts = 0 + + if options.print_console.count('d'): + popts |= gsm.PRINT_GSM_DECODE + + if options.print_console.count('s'): + popts |= gsm.PRINT_STATE + + if options.print_console.count('e'): + popts |= gsm.PRINT_EVERYTHING + + if options.print_console.count('a'): + popts |= gsm.PRINT_ALL_TYPES + + if options.print_console.count('k'): + popts |= gsm.PRINT_KNOWN + + if options.print_console.count('u'): + popts |= gsm.PRINT_UNKNOWN + + if options.print_console.count('0'): + popts |= gsm.PRINT_TS0 + + if options.print_console.count('F'): + popts |= gsm.PRINT_FCCH + + if options.print_console.count('S'): + popts |= gsm.PRINT_SCH + + if options.print_console.count('N'): + popts |= gsm.PRINT_NORMAL + + if options.print_console.count('D'): + popts |= gsm.PRINT_DUMMY + + if options.print_console.count('C'): + popts |= gsm.PRINT_BITS | gsm.PRINT_CORR_BITS + + if options.print_console.count('x'): + popts |= gsm.PRINT_BITS | gsm.PRINT_HEX + + if options.print_console.count('B'): + popts |= gsm.PRINT_BITS | gsm.PRINT_ALL_BITS + + elif options.print_console.count('b'): + popts |= gsm.PRINT_BITS + + print "Print flags: 0x%8.8x\n" %(popts) + + self.burst.d_print_options = popts + + +#################### + def setup_usrp(self): + options = self.options + + #set resonable defaults if no user prefs set + if options.realtime: + if options.fusb_block_size == 0: + options.fusb_block_size = gr.prefs().get_long('fusb', 'rt_block_size', 1024) + if options.fusb_nblocks == 0: + options.fusb_nblocks = gr.prefs().get_long('fusb', 'rt_nblocks', 16) + else: + if options.fusb_block_size == 0: + options.fusb_block_size = gr.prefs().get_long('fusb', 'block_size', 4096) + if options.fusb_nblocks == 0: + options.fusb_nblocks = gr.prefs().get_long('fusb', 'nblocks', 16) + + print >> sys.stderr, "fusb_block_size =", options.fusb_block_size + print >> sys.stderr, "fusb_nblocks =", options.fusb_nblocks + -# if (options.inputfile and ( options.freq or options.rx_subdev_spec or options.gain)): -# print "datafile option cannot be used with USRP options." -# sys.exit(1) + self.ursp = usrp.source_c(decim_rate=options.decim,fusb_block_size=options.fusb_block_size,fusb_nblocks=options.fusb_nblocks) + + if options.rx_subdev_spec is None: + options.rx_subdev_spec = pick_subdevice(self.ursp) + + self.ursp.set_mux(usrp.determine_rx_mux_value(self.ursp, options.rx_subdev_spec)) + + # determine the daughterboard subdevice + self.subdev = usrp.selected_subdev(self.ursp, options.rx_subdev_spec) + input_rate = self.ursp.adc_freq() / self.ursp.decim_rate() + # 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 + + self.set_gain(options.gain) + + self.source = self.ursp - #adjust or caclulate sample clock +#################### + def setup_timing(self): + options = self.options clock_rate = 64e6 + if options.clock_offset: clock_rate = 64e6 + options.clock_offset elif options.channel: + #calculate actual clock rate based on frequency offset (assumes shared clock for sampling and tuning) f = get_freq_from_arfcn(options.channel,options.region) if f: percent_offset = options.offset / get_freq_from_arfcn(options.channel,options.region) @@ -157,39 +354,17 @@ class app_flow_graph(stdgui.gui_flow_graph): percent_offset = 0.0 clock_rate += clock_rate * percent_offset - print "% offset = ", percent_offset, "clock = ", clock_rate + print >> sys.stderr, "% offset = ", percent_offset, "clock = ", clock_rate - #set the default input rate, we will check with the USRP if it is being used - input_rate = clock_rate / options.decim - gsm_symb_rate = 1625000.0 / 6.0 - sps = input_rate/gsm_symb_rate - - # Build the flowgraph - # Setup our input source - if options.inputfile: - self.using_usrp = False - print "Reading data from: " + options.inputfile - self.source = gr.file_source(gr.sizeof_gr_complex, options.inputfile, options.fileloop) - else: - self.using_usrp = True - 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)) - - # determine the daughterboard subdevice - self.subdev = usrp.selected_subdev(self.u, options.rx_subdev_spec) - input_rate = self.u.adc_freq() / self.u.decim_rate() - - # 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 - - self.set_gain(options.gain) + self.clock_rate = clock_rate + self.input_rate = clock_rate / options.decim + self.gsm_symb_rate = 1625000.0 / 6.0 + self.sps = self.input_rate / self.gsm_symb_rate + +#################### + def setup_filter(self): + options = self.options - # configure the processing blocks # configure channel filter filter_cutoff = 145e3 #135,417Hz is GSM bandwidth filter_t_width = 10e3 @@ -201,79 +376,70 @@ class app_flow_graph(stdgui.gui_flow_graph): else: offset = 0.0 - filter_taps = gr.firdes.low_pass(1.0, input_rate, filter_cutoff, filter_t_width, gr.firdes.WIN_HAMMING) - self.filter = gr.freq_xlating_fir_filter_ccf(1, filter_taps, offset, input_rate) - - # Connect the blocks - if self.scopes.count("I"): - self.input_fft_scope = fftsink.fft_sink_c (self, panel, fft_size=1024, sample_rate=input_rate) + filter_taps = gr.firdes.low_pass(1.0, self.input_rate, filter_cutoff, filter_t_width, gr.firdes.WIN_HAMMING) + self.filter = gr.freq_xlating_fir_filter_ccf(1, filter_taps, offset, self.input_rate) - if options.inputfile: - self.connect(self.source, self.filter) - if self.scopes.count("I"): - self.connect(self.source, self.input_fft_scope) - else: - self.connect(self.u, self.filter) - if self.scopes.count("I"): - self.connect(self.u, self.input_fft_scope) + self.connect(self.source, self.filter) - # Setup flow based on decoder selection - if options.decoder.count("c"): - self.burst = gsm.burst_cf(input_rate) - self.connect(self.filter, self.burst) +#################### + def setup_f_flowgraph(self): + # configure demodulator + # adjust the phase gain for sampling rate + self.demod = gr.quadrature_demod_cf(self.sps); + + #configure clock recovery + gain_mu = 0.01 + gain_omega = .25 * gain_mu * gain_mu # critically damped + self.clocker = gr.clock_recovery_mm_ff( self.sps, + gain_omega, + 0.5, #mu + gain_mu, + 0.3) #omega_relative_limit, - elif options.decoder.count("f"): - # configure demodulator - # adjust the phase gain for sampling rate - self.demod = gr.quadrature_demod_cf(sps); + self.burst = gsm.burst_ff(self.burst_cb) + self.connect(self.filter, self.demod, self.clocker, self.burst) + +#################### + def setup_c_flowgraph(self): + #use the sink version if burst scope not selected + if self.scopes.count("b"): + self.burst = gsm.burst_cf(self.burst_cb,input_rate) + else: + self.burst = gsm.burst_sink_c(self.burst_cb,input_rate) - #configure clock recovery - gain_mu = 0.01 - gain_omega = .25 * gain_mu * gain_mu # critically damped - self.clocker = gr.clock_recovery_mm_ff( sps, - gain_omega, - 0.5, #mu - gain_mu, - 0.3) #omega_relative_limit, - - self.burst = gsm.burst_ff() - self.connect(self.filter, self.demod, self.clocker, self.burst) - - if self.scopes.count("d"): - self.demod_scope = scopesink.scope_sink_f(self, panel, sample_rate=input_rate) - self.connect(self.demod, self.demod_scope) - - if self.scopes.count("c"): - self.clocked_scope = scopesink.scope_sink_f(self, panel, sample_rate=gsm_symb_rate,v_scale=1) - self.connect(self.clocker, self.clocked_scope) - - elif options.decoder.count("F"): - #configure clock recovery - gain_mu = 0.01 - gain_omega = .25 * gain_mu * gain_mu # critically damped - self.clocker = gr.clock_recovery_mm_cc( sps, - gain_omega, - 0.5, #mu - gain_mu, - 0.3) #omega_relative_limit, + self.connect(self.filter, self.burst) +#################### + def setup_scopes(self): + #Input FFT + if self.scopes.count("I"): + self.input_fft_scope = fftsink.fft_sink_c (self, self.panel, fft_size=1024, sample_rate=self.input_rate) + self.connect(self.source, self.input_fft_scope) - # configure demodulator - self.demod = gr.quadrature_demod_cf(1); - - self.burst = gsm.burst_ff() - self.connect(self.filter, self.clocker, self.demod, self.burst) + #Filter FFT + if self.scopes.count("F"): + self.filter_fft_scope = fftsink.fft_sink_c (self, self.panel, fft_size=1024, sample_rate=input_rate) + self.connect(self.filter, self.filter_fft_scope) + #Burst Scope + if self.scopes.count("b"): + self.burst_scope = scopesink.scope_sink_f(self, self.panel, sample_rate=self.gsm_symb_rate,v_scale=1) + self.connect(self.v2s, self.burst_scope) + + #burst_f options + if self.options.decoder.count("f"): if self.scopes.count("d"): - self.demod_scope = scopesink.scope_sink_f(self, panel, sample_rate=input_rate) + self.demod_scope = scopesink.scope_sink_f(self, self.panel, sample_rate=self.input_rate) self.connect(self.demod, self.demod_scope) if self.scopes.count("c"): - self.clocked_scope = scopesink.scope_sink_f(self, panel, sample_rate=gsm_symb_rate,v_scale=1) + self.clocked_scope = scopesink.scope_sink_f(self, self.panel, sample_rate=self.gsm_symb_rate,v_scale=1) self.connect(self.clocker, self.clocked_scope) - - # setup decoder parameters +#################### + def configure_burst_decoder(self): + options = self.options + # equalizer eq_types = {'none': gsm.EQ_NONE, 'fixed-dfe': gsm.EQ_FIXED_DFE} self.burst.d_equalizer_type = eq_types[options.equalizer] @@ -292,101 +458,68 @@ class app_flow_graph(stdgui.gui_flow_graph): self.burst.d_clock_options = topts - #console print options - popts = 0 - - if options.print_console.count('s'): - popts |= gsm.PRINT_STATE - if options.print_console.count('e'): - popts |= gsm.PRINT_EVERYTHING - - if options.print_console.count('a'): - popts |= gsm.PRINT_ALL_TYPES - - if options.print_console.count('k'): - popts |= gsm.PRINT_KNOWN - - if options.print_console.count('u'): - popts |= gsm.PRINT_UNKNOWN - - if options.print_console.count('0'): - popts |= gsm.PRINT_TS0 +#################### + def setup_flowgraph(self): - if options.print_console.count('F'): - popts |= gsm.PRINT_FCCH - - if options.print_console.count('S'): - popts |= gsm.PRINT_SCH - - if options.print_console.count('N'): - popts |= gsm.PRINT_NORMAL - - if options.print_console.count('D'): - popts |= gsm.PRINT_DUMMY - - if options.print_console.count('d'): - popts |= gsm.PRINT_GSM_DECODE + options = self.options - if options.print_console.count('C'): - popts |= gsm.PRINT_BITS | gsm.PRINT_CORR_BITS + # Attempt to enable realtime scheduling + if options.realtime: + r = gr.enable_realtime_scheduling() + if r == gr.RT_OK: + options.realtime = True + print >> sys.stderr, "Realtime scheduling ENABLED" + else: + options.realtime = False + print >> sys.stderr, "Realtime scheduling FAILED" - if options.print_console.count('x'): - popts |= gsm.PRINT_BITS | gsm.PRINT_HEX - - if options.print_console.count('B'): - popts |= gsm.PRINT_BITS | gsm.PRINT_ALL_BITS + self.setup_timing() - elif options.print_console.count('b'): - popts |= gsm.PRINT_BITS + # Setup our input source + if options.inputfile: + self.using_usrp = False + print >> sys.stderr, "Reading data from: " + options.inputfile + self.source = gr.file_source(gr.sizeof_gr_complex, options.inputfile, options.fileloop) + else: + self.using_usrp = True + self.setup_usrp() - if options.print_console.count('d'): - popts |= gsm.PRINT_GSM_DECODE - - #TODO: should warn if PRINT_GSM_DECODE is combined with other flags (will corrupt output for gsmdecode) - - self.burst.d_print_options = popts - - ########################## - #set burst tuning callback - #self.tuner = gsm_tuner() - #self.burst.set_tuner_callback(self.tuner) + self.setup_filter() + + #create a tuner callback + self.mean_offset = 0.0 #this is set by tuner callback + self.burst_cb = burst_callback(self) + + # Setup flow based on decoder selection + if options.decoder.count("c"): + self.setup_c_flowgraph() + elif options.decoder.count("f"): + self.setup_f_flowgraph() + + self.configure_burst_decoder() - # connect the primary path after source - self.v2s = gr.vector_to_stream(gr.sizeof_float,142) #burst output is 142 (USEFUL_BITS) - self.connect(self.burst, self.v2s) + #Hookup a vector-stream converter if we want burst output + if self.scopes.count("b") or options.outputfile: + self.v2s = gr.vector_to_stream(gr.sizeof_float,142) #burst output is 142 (USEFUL_BITS) + self.connect(self.burst, self.v2s) +# else: +# self.burst_sink = gr.null_sink(gr.sizeof_float) +# self.connect(self.v2s, self.burst_sink) - # create and connect the scopes that apply to all decoders - if self.scopes.count("F"): - self.filter_fft_scope = fftsink.fft_sink_c (self, panel, fft_size=1024, sample_rate=input_rate) - self.connect(self.filter, self.filter_fft_scope) - #Connect output sinks - if self.scopes.count("b"): - self.burst_scope = scopesink.scope_sink_f(self, panel, sample_rate=gsm_symb_rate,v_scale=1) - self.connect(self.v2s, self.burst_scope) - elif not options.outputfile: - self.burst_sink = gr.null_sink(gr.sizeof_float) - self.connect(self.v2s, self.burst_sink) - - # setup & connect output file + #Output file if options.outputfile: self.filesink = gr.file_sink(gr.sizeof_float, options.outputfile) self.connect(self.v2s, self.filesink) - - self._build_gui(vbox) - - self.set_channel(self.channel) - - self.t1 = wx.Timer(self.frame) - self.t1.Start(5000,0) - self.frame.Bind(wx.EVT_TIMER, self.on_tick) - + self.setup_scopes() - def _set_status_msg(self, msg): +#################### + def set_status_msg(self, msg): self.frame.GetStatusBar().SetStatusText(msg, 0) +#################### def _build_gui(self, vbox): if self.scopes.count("I"): @@ -428,24 +561,34 @@ class app_flow_graph(stdgui.gui_flow_graph): callback=self.set_channel) vbox.Add(hbox, 0, wx.EXPAND) + - +#################### def set_freq(self, freq): - + #TODO: for wideband processing, determine if the desired freq is within our current sample range. + # If so, use the frequency translator to tune. Tune the USRP otherwise. + # Maybe have a flag to force tuning the USRP? + if not self.using_usrp: - return False + #if reading from file just adjust for offset in the freq translator + if self.print_status: + print >> sys.stderr, "Setting filter center freq to offset: ", self.offset, "\n" + + self.filter.set_center_freq(self.offset) + return True freq = freq - self.offset - r = self.u.tune(0, self.subdev, freq) + r = self.ursp.tune(0, self.subdev, freq) if r: - self._set_status_msg('%f' % (freq/1e6)) + self.status_msg = '%f' % (freq/1e6) return True else: - self._set_status_msg("Failed to set frequency (%f)" % (freq/1e6)) + self.status_msg = "Failed to set frequency (%f)" % (freq/1e6) return False +#################### def set_gain(self, gain): if not self.using_usrp: @@ -453,49 +596,60 @@ class app_flow_graph(stdgui.gui_flow_graph): self.subdev.set_gain(gain) +#################### def set_channel(self, chan): - if not self.using_usrp: - return False + self.chan = chan freq = get_freq_from_arfcn(chan,self.region) if freq: self.set_freq(freq) else: - self._set_status_msg("Invalid Channel") + self.status_msg = "Invalid Channel" +#################### def print_stats(self): + out = sys.stderr + n_total = self.burst.d_total_count n_unknown = self.burst.d_unknown_count n_known = n_total - n_unknown - print "======== STATS =========" - print 'freq_offset: ',self.burst.mean_freq_offset() - print 'sync_loss_count:',self.burst.d_sync_loss_count - print 'total_bursts: ',n_total - print 'fcch_count: ',self.burst.d_fcch_count - print 'part_sch_count: ',self.burst.d_part_sch_count - print 'sch_count: ',self.burst.d_sch_count - print 'normal_count: ',self.burst.d_normal_count - print 'dummy_count: ',self.burst.d_dummy_count - print 'unknown_count: ',self.burst.d_unknown_count - print 'known_count: ',n_known + print >> out, "======== STATS =========" + print >> out, 'freq_offset: ',self.offset + print >> out, 'mean_offset: ',self.mean_offset + print >> out, 'sync_loss_count:',self.burst.d_sync_loss_count + print >> out, 'total_bursts: ',n_total + print >> out, 'fcch_count: ',self.burst.d_fcch_count + print >> out, 'part_sch_count: ',self.burst.d_part_sch_count + print >> out, 'sch_count: ',self.burst.d_sch_count + print >> out, 'normal_count: ',self.burst.d_normal_count + print >> out, 'dummy_count: ',self.burst.d_dummy_count + print >> out, 'unknown_count: ',self.burst.d_unknown_count + print >> out, 'known_count: ',n_known if n_total: - print '%known: ', 100.0 * n_known / n_total - print "" + print >> out, '%known: ', 100.0 * n_known / n_total + print >> out, "" +#################### def on_tick(self, evt): - #if option.autotune - #tune offset if self.print_status: self.print_stats() - -def main (): + +#################### + def on_idle(self, event): + #We can't update this while in the tune functions since they can be invoked by callbaks and the GUI croaks... + #FIXME: This is icky. + self.set_status_msg(self.status_msg) + #print "Idle.\n"; + +#################### +def main(): app = stdgui.stdapp(app_flow_graph, "GSM Scanner", nstatus=1) app.MainLoop() - +#################### if __name__ == '__main__': - main () + main() -- cgit v1.2.3