diff options
| author | Piotr Krysik <perper@o2.pl> | 2009-04-30 19:07:08 +0200 |
|---|---|---|
| committer | Piotr Krysik <perper@o2.pl> | 2009-04-30 19:07:08 +0200 |
| commit | 5027749b23b0b4a49d166aee6712b7de01a3d54c (patch) | |
| tree | 8ff7935aa5b9678deff2534037ad4376a57aa520 /src/python | |
| parent | 961ff106d137b744eeafae55c939a5524370267b (diff) | |
liettle changes to fcch search, commit before test to find reason of bad behavior when OSR value is changed
Diffstat (limited to 'src/python')
| -rwxr-xr-x | src/python/gsm_findfcch.py | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/src/python/gsm_findfcch.py b/src/python/gsm_findfcch.py index 09615bf..7ab9c18 100755 --- a/src/python/gsm_findfcch.py +++ b/src/python/gsm_findfcch.py @@ -10,7 +10,7 @@ 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 +import gsm class tune(gr.feval_dd): def __init__(self, top_block): @@ -18,8 +18,8 @@ class tune(gr.feval_dd): 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) + self.center_freq = self.center_freq - freq_offet + self.top_block.set_frequency(self.center_freq) return self.center_freq @@ -57,13 +57,13 @@ class gsm_receiver_first_blood(gr.top_block): 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 ) / options.osr + self.sps = self.input_rate / self.gsm_symb_rate 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 + 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 |