From 0a452fcc8e030f5bdb7187e1db7182cfc488aa31 Mon Sep 17 00:00:00 2001
From: Piotr Krysik <perper@o2.pl>
Date: Thu, 28 May 2009 19:39:56 +0200
Subject: cleanup of unneeded test code, separation of longer parts of
 fch_search into two functions, addidion of 'synchronized' state and reading
 of sch in this state

---
 src/python/gsm_findfcch.py | 108 ---------------------------------------------
 1 file changed, 108 deletions(-)
 delete mode 100755 src/python/gsm_findfcch.py

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

diff --git a/src/python/gsm_findfcch.py b/src/python/gsm_findfcch.py
deleted file mode 100755
index 2050d33..0000000
--- a/src/python/gsm_findfcch.py
+++ /dev/null
@@ -1,108 +0,0 @@
-#!/usr/bin/env python
-#!/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']:
-    if extdir not in sys.path:
-        sys.path.append(extdir)
-import gsm                        
-
-class tune(gr.feval_dd):
-    def __init__(self, top_block):
-        gr.feval_dd.__init__(self)
-        self.top_block = top_block
-        # self.center_freq = 0
-    def eval(self, freq_offet):
-        # self.center_freq = self.center_freq - freq_offet
-        self.top_block.set_frequency(freq_offet)
-        return freq_offet
-
-class gsm_receiver_first_blood(gr.top_block):
-    def __init__(self):
-        gr.top_block.__init__(self)
-        (options, args) = self._przetworz_opcje()
-        self.tune_callback = tune(self)
-        self.options    = options
-        self.args       = args
-        self._ustaw_taktowanie()
-        self.zrodlo = self._ustaw_zrodlo()
-        self.filtr = self._ustaw_filtr()
-        self.interpolator = self._ustaw_interpolator()
-        self.odbiornik = self._ustaw_odbiornik()
-        self.konwerter = self._ustaw_konwerter()
-        self.ujscie = self._ustaw_ujscie()
-    
-        self.connect(self.zrodlo, self.filtr,  self.interpolator, self.odbiornik, self.konwerter, self.ujscie)
-#       self.connect(self.zrodlo, self.ujscie)
-  
-    def _ustaw_ujscie(self):
-        nazwa_pliku_wy = self.options.outputfile
-        ujscie = gr.file_sink(gr.sizeof_float, nazwa_pliku_wy)
-        return ujscie
-    
-    def _ustaw_zrodlo(self):
-        nazwa_pliku = self.options.inputfile
-        zrodlo = gr.file_source(gr.sizeof_gr_complex, nazwa_pliku, False)
-        return zrodlo
-    
-    def _ustaw_taktowanie(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 _ustaw_filtr(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 _ustaw_konwerter(self):
-        v2s = gr.vector_to_stream(gr.sizeof_float, 142)
-        return v2s
-    
-    def _ustaw_interpolator(self):
-        interpolator = gr.fractional_interpolator_cc(0, self.sps) 
-#	interpolator = blks2.rational_resampler_ccf(13, 6)
-        return interpolator
-    
-    def _ustaw_odbiornik(self):
-        odbiornik = gsm.receiver_cf(self.tune_callback, self.options.osr)
-        return odbiornik
-    
-    def _przetworz_opcje(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")
-        (options, args) = parser.parse_args ()
-        return (options, args)
-    
-    def set_frequency(self, center_freq):
-        self.filtr.set_center_freq(center_freq)
-
-def main():
-    try:
-        gsm_receiver_first_blood().run()
-    except KeyboardInterrupt:
-        pass
-
-if __name__ == '__main__':
-    main()
-
-
-- 
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