From 8d2bc49fb9e0c9a5fbd75aa3cad207608e72bf99 Mon Sep 17 00:00:00 2001
From: Piotr Krysik <perper@o2.pl>
Date: Tue, 30 Jun 2009 23:03:33 +0200
Subject: moved gsm-receiver into directory - preparation to move to airprobe

---
 src/python/gsm_receive.py | 117 ----------------------------------------------
 1 file changed, 117 deletions(-)
 delete mode 100755 src/python/gsm_receive.py

(limited to 'src/python/gsm_receive.py')

diff --git a/src/python/gsm_receive.py b/src/python/gsm_receive.py
deleted file mode 100755
index 4cfb876..0000000
--- a/src/python/gsm_receive.py
+++ /dev/null
@@ -1,117 +0,0 @@
-#!/usr/bin/env python
-
-from gnuradio import gr, gru, blks2
-#, gsm
-from gnuradio.eng_option import eng_option
-from optparse import OptionParser
-from os import sys
-
-for extdir in ['../../debug/src/lib','../../debug/src/lib/.libs','../lib','../lib/.libs','../..debug/src/lib/decoder/openbts/SIP']:
-    if extdir not in sys.path:
-        sys.path.append(extdir)
-import gsm
-
-class tuner(gr.feval_dd):
-    def __init__(self, top_block):
-        gr.feval_dd.__init__(self)
-        self.top_block = top_block
-    def eval(self, freq_offet):
-        self.top_block.set_center_frequency(freq_offet)
-        return freq_offet
-
-class synchronizer(gr.feval_dd):
-    def __init__(self, top_block):
-        gr.feval_dd.__init__(self)
-        self.top_block = top_block
-
-    def eval(self, timing_offset):
-        self.top_block.set_timing(timing_offset)
-        return freq_offet
-
-class gsm_receiver_first_blood(gr.top_block):
-    def __init__(self):
-        gr.top_block.__init__(self)
-        (options, args) = self._process_options()
-        self.tuner_callback = tuner(self)
-        self.synchronizer_callback = synchronizer(self)
-        self.options    = options
-        self.args       = args
-        self._set_rates()
-        self.source = self._set_source()
-        self.filtr = self._set_filter()
-        self.interpolator = self._set_interpolator()
-        self.receiver = self._set_receiver()
-        self.converter = self._set_converter()
-        self.sink = self._set_sink()
-    
-        self.connect(self.source, self.filtr,  self.interpolator, self.receiver, self.converter, self.sink)
-  
-    def _set_sink(self):
-        nazwa_pliku_wy = self.options.outputfile
-        ujscie = gr.file_sink(gr.sizeof_float, nazwa_pliku_wy)
-        return ujscie
-    
-    def _set_source(self):
-        nazwa_pliku = self.options.inputfile
-        zrodlo = gr.file_source(gr.sizeof_gr_complex, nazwa_pliku, False)
-        return zrodlo
-    
-    def _set_rates(self):
-        options = self.options
-        clock_rate = 64e6
-        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 / self.options.osr
-
-    def _set_filter(self):
-        filter_cutoff   = 145e3	
-        filter_t_width  = 10e3
-        offset = 0
-#        print "input_rate:", self.input_rate, "sample rate:", self.sps, " filter_cutoff:", filter_cutoff, " filter_t_width:", filter_t_width
-        filter_taps     = gr.firdes.low_pass(1.0, self.input_rate, filter_cutoff, filter_t_width, gr.firdes.WIN_HAMMING)
-        filtr          = gr.freq_xlating_fir_filter_ccf(1, filter_taps, offset, self.input_rate)
-        return filtr
-
-    def _set_converter(self):
-        v2s = gr.vector_to_stream(gr.sizeof_float, 142)
-        return v2s
-    
-    def _set_interpolator(self):
-        interpolator = gr.fractional_interpolator_cc(0, self.sps) 
-        return interpolator
-    
-    def _set_receiver(self):
-        receiver = gsm.receiver_cf(self.tuner_callback, self.synchronizer_callback, self.options.osr, self.options.key.replace(' ', '').lower())
-        return receiver
-    
-    def _process_options(self):
-        parser = OptionParser(option_class=eng_option)
-        parser.add_option("-d", "--decim", type="int", default=128,
-                          help="Set USRP decimation rate to DECIM [default=%default]")
-        parser.add_option("-r", "--osr", type="int", default=4,
-                          help="Oversampling ratio [default=%default]")
-        parser.add_option("-I", "--inputfile", type="string", default="cfile",
-                          help="Input filename")
-        parser.add_option("-O", "--outputfile", type="string", default="cfile2.out",
-                          help="Output filename")
-        parser.add_option("-k", "--key", type="string", default="2B 08 74 9F DD 0D 9C 00",
-                          help="KC session key")
-
-        (options, args) = parser.parse_args ()
-        return (options, args)
-    
-    def set_center_frequency(self, center_freq):
-        self.filtr.set_center_freq(center_freq)
-
-    def set_timing(self, timing_offset):
-        pass
-
-def main():
-    try:
-        gsm_receiver_first_blood().run()
-    except KeyboardInterrupt:
-        pass
-
-if __name__ == '__main__':
-    main()
-- 
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