diff options
Diffstat (limited to 'gsm-tvoid/src/python/gsm_scan.py')
| -rwxr-xr-x | gsm-tvoid/src/python/gsm_scan.py | 96 |
1 files changed, 76 insertions, 20 deletions
diff --git a/gsm-tvoid/src/python/gsm_scan.py b/gsm-tvoid/src/python/gsm_scan.py index 42f7944..f8fa033 100755 --- a/gsm-tvoid/src/python/gsm_scan.py +++ b/gsm-tvoid/src/python/gsm_scan.py @@ -1,9 +1,13 @@ #!/usr/bin/env python # TODO: -# * Auto-tune offset +# * 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 of file reads (Fix throttle?) +# * Add rate-limited file reads (throttle?) +# * Make console only version +# * Reset burst_stats on retune +# * Add better option checking import sys @@ -65,10 +69,29 @@ def get_freq_from_arfcn(chan,region): return freq * 1e6 +#class gsm_tuner(gsm.gsm_tuner_callback): +class gsm_tuner(gr.feval_dd): + def __init__(self, fg): + gr.feval_dd.__init__(self) + self.fg = fg + + def eval(self, x): + try: + print "tune: ", x, "\n"; + fg.cb_count += 1 + return 0.0 + + except Exception, e: + print "tune: Exception: ", e + + class app_flow_graph(stdgui.gui_flow_graph): def __init__(self, frame, panel, vbox, argv): stdgui.gui_flow_graph.__init__(self) + #testing + self.cb_count = 0 + self.frame = frame self.panel = panel @@ -81,7 +104,7 @@ 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") + "Usefull (b)its, All TS (B)its, (C)orrelation bits, he(x) burst data") #decoder options @@ -110,6 +133,7 @@ class app_flow_graph(stdgui.gui_flow_graph): #usrp options 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)") + #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, @@ -144,7 +168,12 @@ class app_flow_graph(stdgui.gui_flow_graph): if options.clock_offset: clock_rate = 64e6 + options.clock_offset elif options.channel: - percent_offset = options.offset / get_freq_from_arfcn(options.channel,options.region) + f = get_freq_from_arfcn(options.channel,options.region) + if f: + percent_offset = options.offset / get_freq_from_arfcn(options.channel,options.region) + else: + percent_offset = 0.0 + clock_rate += clock_rate * percent_offset print "% offset = ", percent_offset, "clock = ", clock_rate @@ -206,9 +235,12 @@ class app_flow_graph(stdgui.gui_flow_graph): if self.scopes.count("I"): self.connect(self.u, self.input_fft_scope) + #create a tuner callback + self.tuner = gsm_tuner(self) + # Setup flow based on decoder selection if options.decoder.count("c"): - self.burst = gsm.burst_cf(input_rate) + self.burst = gsm.burst_cf(self.tuner,input_rate) self.connect(self.filter, self.burst) elif options.decoder.count("f"): @@ -225,7 +257,7 @@ class app_flow_graph(stdgui.gui_flow_graph): gain_mu, 0.3) #omega_relative_limit, - self.burst = gsm.burst_ff() + self.burst = gsm.burst_ff(self.tuner) self.connect(self.filter, self.demod, self.clocker, self.burst) if self.scopes.count("d"): @@ -284,6 +316,9 @@ class app_flow_graph(stdgui.gui_flow_graph): #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 @@ -313,6 +348,9 @@ class app_flow_graph(stdgui.gui_flow_graph): 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 @@ -320,7 +358,12 @@ class app_flow_graph(stdgui.gui_flow_graph): elif options.print_console.count('b'): popts |= gsm.PRINT_BITS - self.burst.d_print_options = popts + self.burst.d_print_options = popts + + ########################## + #set burst tuning callback + #self.tuner = gsm_tuner() + #self.burst.set_tuner_callback(self.tuner) # connect the primary path after source self.v2s = gr.vector_to_stream(gr.sizeof_float,142) #burst output is 142 (USEFUL_BITS) @@ -434,21 +477,34 @@ class app_flow_graph(stdgui.gui_flow_graph): self.set_freq(freq) else: self._set_status_msg("Invalid Channel") - + + def print_stats(self): + n_known = self.burst.d_fcch_count + self.burst.d_sch_count + self.burst.d_normal_count + self.burst.d_dummy_count + n_total = n_known + self.burst.d_dummy_count + + 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 + if n_total: + print '%known: ', 100.0 * n_known / n_total + print 'CB count: ',self.cb_count + print "" + def on_tick(self, evt): + #if option.autotune + #tune offset + if self.print_status: - #TODO: def print_stats: - print "======== STATS =========" - print 'freq_offset:',self.burst.freq_offset() - print 'sync_loss_count:',self.burst.d_sync_loss_count - 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 "" - + self.print_stats() + def main (): app = stdgui.stdapp(app_flow_graph, "GSM Scanner", nstatus=1) app.MainLoop() |