def _set_receiver(self):
receiver = gsm.receiver_cf(self.tuner_callback,
self.synchronizer_callback,
self.options.osr,
self.options.key.replace(' ', '').lower(),
self.options.configuration.upper())
return receiver
def __init__(self):
#grc_wxgui.top_block_gui.__init__(self, title="Top Block")
gr.top_block.__init__(self)
print "abc"
##################################################
# Variables
##################################################
#self.samp_rate = samp_rate = 32000
self.osr = 4
self.key = ''
self.configuration = ''
self.clock_rate = 52e6
self.input_rate = self.clock_rate / 72 #TODO: what about usrp value?
self.gsm_symb_rate = 1625000.0 / 6.0
self.sps = self.input_rate / self.gsm_symb_rate
# configure channel filter
filter_cutoff = 135e3 #135,417Hz is GSM bandwidth
filter_t_width = 10e3
offset = 0.0
##################################################
# Blocks
##################################################
self.gr_null_sink_0 = gr.null_sink(gr.sizeof_gr_complex*1)
print "Input files: ", downfile, " ", upfile
self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, downfile, False)
self.gr_file_source_1 = gr.file_source(gr.sizeof_gr_complex*1, upfile, False)
filter_taps = gr.firdes.low_pass(1.0, self.input_rate, filter_cutoff, filter_t_width, gr.firdes.WIN_HAMMING)
print len(filter_taps)
self.filter0 = gr.freq_xlating_fir_filter_ccf(1, filter_taps, offset, self.input_rate)
self.filter1 = gr.freq_xlating_fir_filter_ccf(1, filter_taps, offset, self.input_rate)
self.interpolator_1 = gr.fractional_interpolator_cc(0, self.sps)
self.tuner_callback = tuner(self)
self.synchronizer_callback = synchronizer(self)
#self.buffer = howto.buffer_cc()
self.burst_cb = burst_callback(self)
print ">>>>>Input rate: ", self.input_rate
#self.burst = gsm.burst_cf(self.burst_cb,self.input_rate)
self.receiver = gsm.receiver_cf(self.tuner_callback, self.synchronizer_callback, self.osr, self.key.replace(' ', '').lower(), self.configuration.upper())
##################################################
# Connections
##################################################
#self.connect((self.gr_file_source_0, 0), (self.filter0, 0), (self.burst, 0))
self.connect((self.gr_file_source_1, 0), (self.filter1, 0), (self.interpolator_1, 0), (self.receiver, 0))
def gsm_receiver( self, input_rate = 400e3):
filter_cutoff = 145e3
filter_t_width = 10e3
offset = 0
#rates
gsm_symb_rate = 1625000.0 / 6.0
sps = input_rate / gsm_symb_rate / self.options.osr
filter_taps = gr.firdes.low_pass(1.0, input_rate, filter_cutoff, filter_t_width, gr.firdes.WIN_HAMMING)
filtr = gr.freq_xlating_fir_filter_ccf(1, filter_taps, offset, input_rate)
interpolator = gr.fractional_interpolator_cc(0, sps)
tuner_callback = tuner(filtr)
synchronizer_callback = synchronizer(self)
receiver = gsm.receiver_cf( tuner_callback, synchronizer_callback, self.options.osr, self.options.key.replace(' ', '').lower(), self.options.configuration.upper())
blocks = {}
blocks[ "synchronizer_callback"] = synchronizer_callback
blocks[ "tuner_callback"] = tuner_callback
blocks[ "filter_taps"] = filter_taps
blocks[ "filtr"] = filtr
blocks[ "interpolator"] = interpolator
blocks[ "receiver"] = receiver
self.connect( filtr, interpolator, receiver)
return blocks, filtr
def _set_receiver(self):
receiver = gsm.receiver_cf(
self.tuner_callback,
self.synchronizer_callback,
self.options.osr,
self.options.key.replace(" ", "").lower(),
self.options.configuration.upper(),
)
return receiver
def __init__(self):
gr.top_block.__init__(self)
options = get_options()
self.tune_corrector_callback = tune_corrector(self)
self.synchronizer_callback = synchronizer(self)
self.converter = blocks.vector_to_stream(gr.sizeof_float, 142)
self.ifreq = options.frequency
self.rfgain = options.gain
self.src = osmosdr.source(options.args)
self.src.set_center_freq(self.ifreq)
self.src.set_sample_rate(int(options.sample_rate))
if self.rfgain is None:
self.src.set_gain_mode(1)
self.iagc = 1
self.rfgain = 0
else:
self.iagc = 0
self.src.set_gain_mode(0)
self.src.set_gain(self.rfgain)
# may differ from the requested rate
sample_rate = self.src.get_sample_rate()
sys.stderr.write("sample rate: %d\n" % (sample_rate))
gsm_symb_rate = 1625000.0 / 6.0
sps = sample_rate / gsm_symb_rate / 4
out_sample_rate = gsm_symb_rate * 4
self.offset = 0
taps = filter.firdes.low_pass(1.0, sample_rate, 145e3, 10e3,
filter.firdes.WIN_HANN)
self.tuner = filter.freq_xlating_fir_filter_ccf(
1, taps, self.offset, sample_rate)
self.interpolator = filter.fractional_resampler_cc(0, sps)
self.receiver = gsm.receiver_cf(self.tune_corrector_callback,
self.synchronizer_callback, 4,
options.key.replace(' ', '').lower(),
options.configuration.upper())
self.output = blocks.file_sink(gr.sizeof_float, options.output_file)
self.connect(self.src, self.tuner, self.interpolator, self.receiver,
self.converter, self.output)
def resetapp(void):
pre_status = getServerStatus()
if getServerStatus() == True:
setServerStatus(False)
self.serverlabel_state.SetLabel("Not Connected:")
self.btnstart_server.SetLabel("Start Server")
time.sleep(0.2)
tb.stop()
tb.wait()
self.disconnect(self.src, self.tuner, self.interpolator,self.receiver, self.converter, self.output)
sample_rate = self.src.get_sample_rate()
sys.stderr.write("sample rate: %d\n" % (sample_rate))
gsm_symb_rate = 1625000.0 / 6.0
sps = sample_rate / gsm_symb_rate / 4
out_sample_rate = gsm_symb_rate * 4
self.offset = 0
taps = gr.firdes.low_pass(1.0, sample_rate, 145e3, 10e3, gr.firdes.WIN_HANN)
self.tuner = gr.freq_xlating_fir_filter_ccf(1, taps, self.offset, sample_rate)
self.interpolator = gr.fractional_interpolator_cc(0, sps)
#channel type
options.configuration = self.channel_combo_box.get_value()
#use key or not
options.key = "0000000000000000"#use this as default
if self.cb_imsi.GetValue() == True:
options.key = str(self.edit_key.GetValue())
self.receiver = gsm.receiver_cf(
self.tune_corrector_callback, self.synchronizer_callback, 4,
options.key.replace(' ', '').lower(),
options.configuration.upper())
self.output = gr.file_sink(gr.sizeof_float, options.output_file)
#self.interpolator, self.receiver,
self.connect(self.src, self.tuner, self.interpolator,self.receiver, self.converter, self.output)
#ending
time.sleep(0.3)
tb.Run(True)
def _set_receiver(self):
receiver = gsm.receiver_cf(self.tuner_callback, self.synchronizer_callback, self.options.osr, self.options.c0pos, self.options.ma.replace(' ', '').lower(), self.options.maio, self.options.hsn, self.options.key.replace(' ', '').lower(), self.options.configuration.upper())
return receiver
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
options = get_options()
self.tune_corrector_callback = tune_corrector(self)
self.synchronizer_callback = synchronizer(self)
self.converter = gr.vector_to_stream(gr.sizeof_float, 142)
self.ifreq = options.frequency
self.rfgain = options.gain
self.src = osmosdr.source_c(options.args)
self.src.set_center_freq(self.ifreq)
self.src.set_sample_rate(int(options.sample_rate))
if self.rfgain is None:
self.src.set_gain_mode(1)
self.iagc = 1
self.rfgain = 0
else:
self.iagc = 0
self.src.set_gain_mode(0)
self.src.set_gain(self.rfgain)
# may differ from the requested rate
sample_rate = self.src.get_sample_rate()
sys.stderr.write("sample rate: %d\n" % (sample_rate))
gsm_symb_rate = 1625000.0 / 6.0
sps = sample_rate / gsm_symb_rate / 4
out_sample_rate = gsm_symb_rate * 4
self.offset = 0
taps = gr.firdes.low_pass(1.0, sample_rate, 145e3, 10e3, gr.firdes.WIN_HANN)
self.tuner = gr.freq_xlating_fir_filter_ccf(1, taps, self.offset, sample_rate)
self.interpolator = gr.fractional_interpolator_cc(0, sps)
self.receiver = gsm.receiver_cf(
self.tune_corrector_callback, self.synchronizer_callback, 4,
options.key.replace(' ', '').lower(),
options.configuration.upper())
self.output = gr.file_sink(gr.sizeof_float, options.output_file)
self.connect(self.src, self.tuner, self.interpolator, self.receiver, self.converter, self.output)
def set_ifreq(ifreq):
self.ifreq = ifreq
self._ifreq_text_box.set_value(self.ifreq)
self.src.set_center_freq(self.ifreq)
self._ifreq_text_box = forms.text_box(
parent=self.GetWin(),
value=self.ifreq,
callback=set_ifreq,
label="Center Frequency",
converter=forms.float_converter(),
)
self.Add(self._ifreq_text_box)
def set_iagc(iagc):
self.iagc = iagc
self._agc_check_box.set_value(self.iagc)
self.src.set_gain_mode(self.iagc, 0)
self.src.set_gain(0 if self.iagc == 1 else self.rfgain, 0)
self._agc_check_box = forms.check_box(
parent=self.GetWin(),
value=self.iagc,
callback=set_iagc,
label="Automatic Gain",
true=1,
false=0,
)
self.Add(self._agc_check_box)
def set_rfgain(rfgain):
self.rfgain = rfgain
self._rfgain_slider.set_value(self.rfgain)
self._rfgain_text_box.set_value(self.rfgain)
self.src.set_gain(0 if self.iagc == 1 else self.rfgain, 0)
_rfgain_sizer = wx.BoxSizer(wx.VERTICAL)
self._rfgain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rfgain_sizer,
value=self.rfgain,
callback=set_rfgain,
label="RF Gain",
converter=forms.float_converter(),
proportion=0,
)
self._rfgain_slider = forms.slider(
parent=self.GetWin(),
sizer=_rfgain_sizer,
value=self.rfgain,
callback=set_rfgain,
minimum=0,
maximum=50,
num_steps=200,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_rfgain_sizer)
def fftsink2_callback(x, y):
if abs(x / (sample_rate / 2)) > 0.9:
set_ifreq(self.ifreq + x / 2)
else:
sys.stderr.write("coarse tuned to: %d Hz\n" % x)
self.offset = -x
self.tuner.set_center_freq(self.offset)
self.scope = fftsink2.fft_sink_c(self.GetWin(),
title="Wideband Spectrum (click to coarse tune)",
fft_size=1024,
sample_rate=sample_rate,
ref_scale=2.0,
ref_level=0,
y_divs=10,
fft_rate=10,
average=False,
avg_alpha=0.3)
self.Add(self.scope.win)
self.scope.set_callback(fftsink2_callback)
self.connect(self.src, self.scope)
def fftsink2_callback2(x, y):
self.offset = self.offset - (x / 10)
sys.stderr.write("fine tuned to: %d Hz\n" % self.offset)
self.tuner.set_center_freq(self.offset)
self.scope2 = fftsink2.fft_sink_c(self.GetWin(),
title="Channel Spectrum (click to fine tune)",
fft_size=1024,
sample_rate=gsm_symb_rate * 4,
ref_scale=2.0,
ref_level=-20,
y_divs=10,
fft_rate=10,
average=False,
avg_alpha=0.3)
self.Add(self.scope2.win)
self.scope2.set_callback(fftsink2_callback2)
self.connect(self.interpolator, self.scope2)
sample_rate = self.src.get_sample_rate()
sys.stderr.write("sample rate: %d\n" % (sample_rate))
gsm_symb_rate = 1625000.0 / 6.0
sps = sample_rate / gsm_symb_rate / 4
out_sample_rate = gsm_symb_rate * 4
self.offset = 0
taps = gr.firdes.low_pass(1.0, sample_rate, 145e3, 10e3, gr.firdes.WIN_HANN)
self.tuner = gr.freq_xlating_fir_filter_ccf(1, taps, self.offset, sample_rate)
self.interpolator = gr.fractional_interpolator_cc(0, sps)
#options.configuration = "2S"
self.receiver = gsm.receiver_cf(
self.tune_corrector_callback, self.synchronizer_callback, 4,
options.key.replace(' ', '').lower(),
options.configuration.upper())
self.output = gr.file_sink(gr.sizeof_float, options.output_file)
self.connect(self.src, self.tuner, self.interpolator,self.receiver, self.converter, self.output)
def set_ifreq(ifreq):
self.ifreq = ifreq
self._ifreq_text_box.set_value(self.ifreq)
self.src.set_center_freq(self.ifreq)
def fftsink2_callback(x, y):
if abs(x / (sample_rate / 2)) > 0.9:
set_ifreq(self.ifreq + x / 2)
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
options = get_options()
self.tune_corrector_callback = tune_corrector(self)
self.synchronizer_callback = synchronizer(self)
self.converter = blocks.vector_to_stream(gr.sizeof_float, 142)
self.ifreq = options.frequency
self.rfgain = options.gain
self.src = osmosdr.source(options.args)
# added by scateu @ 2014-1-9
self.src.set_freq_corr(0, 0)
self.src.set_dc_offset_mode(1, 0)
self.src.set_iq_balance_mode(0, 0)
self.src.set_gain_mode(0, 0)
self.src.set_gain(14, 0)
self.src.set_if_gain(58, 0)
self.src.set_bb_gain(20, 0)
self.src.set_antenna("", 0)
self.src.set_bandwidth(0, 0)
self.src.set_center_freq(self.ifreq)
self.src.set_sample_rate(int(options.sample_rate))
if self.rfgain is None:
self.src.set_gain_mode(1)
self.iagc = 1
self.rfgain = 0
else:
self.iagc = 0
self.src.set_gain_mode(0)
self.src.set_gain(self.rfgain)
# may differ from the requested rate
sample_rate = self.src.get_sample_rate()
sys.stderr.write("sample rate: %d\n" % (sample_rate))
gsm_symb_rate = 1625000.0 / 6.0
sps = sample_rate / gsm_symb_rate / 4
out_sample_rate = gsm_symb_rate * 4
self.offset = 0
taps = firdes.low_pass(1.0, sample_rate, 145e3, 10e3, firdes.WIN_HANN)
self.tuner = freq_xlating_fir_filter_ccf(1, taps, self.offset,
sample_rate)
self.interpolator = fractional_interpolator_cc(0, sps)
self.receiver = gsm.receiver_cf(self.tune_corrector_callback,
self.synchronizer_callback, 4,
options.key.replace(' ', '').lower(),
options.configuration.upper())
self.output = blocks.file_sink(gr.sizeof_float, options.output_file)
self.connect(self.src, self.tuner, self.interpolator, self.receiver,
self.converter, self.output)
def set_ifreq(ifreq):
self.ifreq = ifreq
self._ifreq_text_box.set_value(self.ifreq)
self.src.set_center_freq(self.ifreq)
self._ifreq_text_box = forms.text_box(
parent=self.GetWin(),
value=self.ifreq,
callback=set_ifreq,
label="Center Frequency",
converter=forms.float_converter(),
)
self.Add(self._ifreq_text_box)
def set_iagc(iagc):
self.iagc = iagc
self._agc_check_box.set_value(self.iagc)
self.src.set_gain_mode(self.iagc, 0)
self.src.set_gain(0 if self.iagc == 1 else self.rfgain, 0)
self._agc_check_box = forms.check_box(
parent=self.GetWin(),
value=self.iagc,
callback=set_iagc,
label="Automatic Gain",
true=1,
false=0,
)
self.Add(self._agc_check_box)
def set_rfgain(rfgain):
self.rfgain = rfgain
self._rfgain_slider.set_value(self.rfgain)
self._rfgain_text_box.set_value(self.rfgain)
self.src.set_gain(0 if self.iagc == 1 else self.rfgain, 0)
_rfgain_sizer = wx.BoxSizer(wx.VERTICAL)
self._rfgain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_rfgain_sizer,
value=self.rfgain,
callback=set_rfgain,
label="RF Gain",
converter=forms.float_converter(),
proportion=0,
)
self._rfgain_slider = forms.slider(
parent=self.GetWin(),
sizer=_rfgain_sizer,
value=self.rfgain,
callback=set_rfgain,
minimum=0,
maximum=50,
num_steps=200,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_rfgain_sizer)
def fftsink2_callback(x, y):
if abs(x / (sample_rate / 2)) > 0.9:
set_ifreq(self.ifreq + x / 2)
else:
sys.stderr.write("coarse tuned to: %d Hz\n" % x)
self.offset = -x
self.tuner.set_center_freq(self.offset)
self.scope = fftsink2.fft_sink_c(
self.GetWin(),
title="Wideband Spectrum (click to coarse tune)",
fft_size=1024,
sample_rate=sample_rate,
ref_scale=2.0,
ref_level=0,
y_divs=10,
fft_rate=10,
average=False,
avg_alpha=0.3)
self.Add(self.scope.win)
self.scope.set_callback(fftsink2_callback)
self.connect(self.src, self.scope)
def fftsink2_callback2(x, y):
self.offset = self.offset - (x / 10)
sys.stderr.write("fine tuned to: %d Hz\n" % self.offset)
self.tuner.set_center_freq(self.offset)
self.scope2 = fftsink2.fft_sink_c(
self.GetWin(),
title="Channel Spectrum (click to fine tune)",
fft_size=1024,
sample_rate=gsm_symb_rate * 4,
ref_scale=2.0,
ref_level=-20,
y_divs=10,
fft_rate=10,
average=False,
avg_alpha=0.3)
self.Add(self.scope2.win)
self.scope2.set_callback(fftsink2_callback2)
self.connect(self.interpolator, self.scope2)
def __init__(self):
#grc_wxgui.top_block_gui.__init__(self, title="Top Block")
gr.top_block.__init__(self)
##################################################
# Variables
##################################################
#self.samp_rate = samp_rate = 32000
self.osr = 4
self.key = 'AD 6A 3E C2 B4 42 E4 00'
self.configuration = ch
self.ch0 = ch_0
self.ch1 = ch_1
self.clock_rate = 52e6
self.input_rate = self.clock_rate / 72 #TODO: what about usrp value?
self.gsm_symb_rate = 1625000.0 / 6.0
self.sps = self.input_rate / self.gsm_symb_rate / self.osr
# configure channel filter
filter_cutoff = 145e3 #135,417Hz is GSM bandwidth
filter_t_width = 10e3
offset = 0.0
##################################################
# Blocks
##################################################
self.gr_null_sink_0 = gr.null_sink(gr.sizeof_gr_complex * 1)
print "Input files: ", file_0, " ", file_1
self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex * 1,
file_0, False)
self.gr_file_source_1 = gr.file_source(gr.sizeof_gr_complex * 1,
file_1, False)
filter_taps = gr.firdes.low_pass(1.0, self.input_rate, filter_cutoff,
filter_t_width, gr.firdes.WIN_HAMMING)
self.filter_0 = gr.freq_xlating_fir_filter_ccf(1, filter_taps, offset,
self.input_rate)
self.filter_1 = gr.freq_xlating_fir_filter_ccf(1, filter_taps, offset,
self.input_rate)
self.interpolator_0 = gr.fractional_interpolator_cc(0, self.sps)
self.interpolator_1 = gr.fractional_interpolator_cc(0, self.sps)
self.tuner_callback = tuner(self)
self.synchronizer_callback = synchronizer(self)
#print ">>>>>Input rate: ", self.input_rate
self.receiver = gsm.receiver_cf(self.tuner_callback,
self.synchronizer_callback, self.osr,
self.key.replace(' ', '').lower(),
self.configuration.upper(), self.ch0,
self.ch1, "127.0.0.1", 8080)
# self.receiver = gsm.receiver_cf(self.tuner_callback, self.synchronizer_callback, self.osr, self.key.replace(' ', '').lower(), self.configuration.upper(), self.ch0, self.ch1)
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_1, 0), (self.filter_1, 0),
(self.interpolator_1, 0), (self.receiver, 1))
# self.connect((self.gr_file_source_1, 0), (self.filter_1, 0), (self.interpolator_1, 0), (self.receiver, 1))
self.connect((self.gr_file_source_0, 0), (self.filter_0, 0),
(self.interpolator_0, 0), (self.receiver, 0))
def __init__(self):
gr.top_block.__init__(self)
# grc_wxgui.top_block_gui.__init__(self, title="Top Block")
options = get_options()
self.tune_corrector_callback = tune_corrector(self)
self.synchronizer_callback = synchronizer(self)
self.converter = blocks.vector_to_stream(gr.sizeof_float, 142)
self.ifreq = options.frequency
self.rfgain = options.gain
self.src = osmosdr.source(options.args)
self.src.set_center_freq(self.ifreq)
self.src.set_sample_rate(int(options.sample_rate))
if self.rfgain is None:
self.src.set_gain_mode(1)
self.iagc = 1
self.rfgain = 0
else:
self.iagc = 0
self.src.set_gain_mode(0)
self.src.set_gain(self.rfgain)
# may differ from the requested rate
sample_rate = self.src.get_sample_rate()
sys.stderr.write("sample rate: %d\n" % (sample_rate))
gsm_symb_rate = 1625000.0 / 6.0
sps = sample_rate / gsm_symb_rate / 4
out_sample_rate = gsm_symb_rate * 4
self.offset = 0
taps = filter.firdes.low_pass(1.0, sample_rate, 145e3, 10e3, filter.firdes.WIN_HANN)
self.tuner = filter.freq_xlating_fir_filter_ccf(1, taps, self.offset, sample_rate)
self.interpolator = filter.fractional_resampler_cc(0, sps)
self.receiver = gsm.receiver_cf(
self.tune_corrector_callback, self.synchronizer_callback, 4,
options.key.replace(' ', '').lower(),
options.configuration.upper())
self.output = blocks.file_sink(gr.sizeof_float, options.output_file)
self.connect(self.src, self.tuner, self.interpolator, self.receiver, self.converter, self.output)
def set_ifreq(ifreq):
self.ifreq = ifreq
self._ifreq_text_box.set_value(self.ifreq)
self.src.set_center_freq(self.ifreq)
def set_iagc(iagc):
self.iagc = iagc
self._agc_check_box.set_value(self.iagc)
self.src.set_gain_mode(self.iagc, 0)
self.src.set_gain(0 if self.iagc == 1 else self.rfgain, 0)
def set_rfgain(rfgain):
self.rfgain = rfgain
self._rfgain_slider.set_value(self.rfgain)
self._rfgain_text_box.set_value(self.rfgain)
self.src.set_gain(0 if self.iagc == 1 else self.rfgain, 0)
def fftsink2_callback(x, y):
if abs(x / (sample_rate / 2)) > 0.9:
set_ifreq(self.ifreq + x / 2)
else:
sys.stderr.write("coarse tuned to: %d Hz\n" % x)
self.offset = -x
self.tuner.set_center_freq(self.offset)
def fftsink2_callback2(x, y):
self.offset = self.offset - (x / 10)
sys.stderr.write("fine tuned to: %d Hz\n" % self.offset)
self.tuner.set_center_freq(self.offset)
def __init__(self):
#grc_wxgui.top_block_gui.__init__(self, title="Top Block")
gr.top_block.__init__(self)
print "abc"
##################################################
# Variables
##################################################
#self.samp_rate = samp_rate = 32000
self.osr = 4
self.key = ''
self.configuration = ''
self.clock_rate = 52e6
self.input_rate = self.clock_rate / 72 #TODO: what about usrp value?
self.gsm_symb_rate = 1625000.0 / 6.0
self.sps = self.input_rate / self.gsm_symb_rate
# configure channel filter
filter_cutoff = 135e3 #135,417Hz is GSM bandwidth
filter_t_width = 10e3
offset = 0.0
##################################################
# Blocks
##################################################
self.gr_null_sink_0 = gr.null_sink(gr.sizeof_gr_complex * 1)
print "Input files: ", downfile, " ", upfile
self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex * 1,
downfile, False)
self.gr_file_source_1 = gr.file_source(gr.sizeof_gr_complex * 1,
upfile, False)
filter_taps = gr.firdes.low_pass(1.0, self.input_rate, filter_cutoff,
filter_t_width, gr.firdes.WIN_HAMMING)
print len(filter_taps)
self.filter0 = gr.freq_xlating_fir_filter_ccf(1, filter_taps, offset,
self.input_rate)
self.filter1 = gr.freq_xlating_fir_filter_ccf(1, filter_taps, offset,
self.input_rate)
self.interpolator_1 = gr.fractional_interpolator_cc(0, self.sps)
self.tuner_callback = tuner(self)
self.synchronizer_callback = synchronizer(self)
#self.buffer = howto.buffer_cc()
self.burst_cb = burst_callback(self)
print ">>>>>Input rate: ", self.input_rate
#self.burst = gsm.burst_cf(self.burst_cb,self.input_rate)
self.receiver = gsm.receiver_cf(self.tuner_callback,
self.synchronizer_callback, self.osr,
self.key.replace(' ', '').lower(),
self.configuration.upper())
##################################################
# Connections
##################################################
#self.connect((self.gr_file_source_0, 0), (self.filter0, 0), (self.burst, 0))
self.connect((self.gr_file_source_1, 0), (self.filter1, 0),
(self.interpolator_1, 0), (self.receiver, 0))
def __init__(self):
#grc_wxgui.top_block_gui.__init__(self, title="Top Block")
gr.top_block.__init__(self)
##################################################
# Variables
##################################################
#self.samp_rate = samp_rate = 32000
self.osr = 4
self.key = 'AD 6A 3E C2 B4 42 E4 00'
self.configuration = ch
self.ch0 = ch_0
self.ch1 = ch_1
self.clock_rate = 52e6
self.input_rate = self.clock_rate / 72 #TODO: what about usrp value?
self.gsm_symb_rate = 1625000.0 / 6.0
self.sps = self.input_rate / self.gsm_symb_rate / self.osr
# configure channel filter
filter_cutoff = 145e3 #135,417Hz is GSM bandwidth
filter_t_width = 10e3
offset = 0.0
##################################################
# Blocks
##################################################
self.gr_null_sink_0 = gr.null_sink(gr.sizeof_gr_complex*1)
print "Input files: ", file_0, " ", file_1
self.gr_file_source_0 = gr.file_source(gr.sizeof_gr_complex*1, file_0, False)
self.gr_file_source_1 = gr.file_source(gr.sizeof_gr_complex*1, file_1, False)
filter_taps = gr.firdes.low_pass(1.0, self.input_rate, filter_cutoff, filter_t_width, gr.firdes.WIN_HAMMING)
self.filter_0 = gr.freq_xlating_fir_filter_ccf(1, filter_taps, offset, self.input_rate)
self.filter_1 = gr.freq_xlating_fir_filter_ccf(1, filter_taps, offset, self.input_rate)
self.interpolator_0 = gr.fractional_interpolator_cc(0, self.sps)
self.interpolator_1 = gr.fractional_interpolator_cc(0, self.sps)
self.tuner_callback = tuner(self)
self.synchronizer_callback = synchronizer(self)
#print ">>>>>Input rate: ", self.input_rate
self.receiver = gsm.receiver_cf(self.tuner_callback, self.synchronizer_callback, self.osr, self.key.replace(' ', '').lower(), self.configuration.upper(), self.ch0, self.ch1, "127.0.0.1", 8080)
# self.receiver = gsm.receiver_cf(self.tuner_callback, self.synchronizer_callback, self.osr, self.key.replace(' ', '').lower(), self.configuration.upper(), self.ch0, self.ch1)
##################################################
# Connections
##################################################
self.connect((self.gr_file_source_1, 0), (self.filter_1, 0), (self.interpolator_1, 0), (self.receiver, 1))
# self.connect((self.gr_file_source_1, 0), (self.filter_1, 0), (self.interpolator_1, 0), (self.receiver, 1))
self.connect((self.gr_file_source_0, 0), (self.filter_0, 0), (self.interpolator_0, 0), (self.receiver, 0))
