def __init__(self, burst_file, timeslot, subchannel, mode, fnr_start):
gr.top_block.__init__(self, "Top Block")
self.burst_file_source = grgsm.burst_file_source(burst_file)
self.timeslot_filter = grgsm.burst_timeslot_filter(timeslot)
self.fnr_filter_start = grgsm.burst_fnr_filter(grgsm.FILTER_GREATER_OR_EQUAL, fnr_start)
# we only listen for a timespan of 12 SDCCH messages for the CMC
self.fnr_filter_end = grgsm.burst_fnr_filter(grgsm.FILTER_LESS_OR_EQUAL, fnr_start + 51 * 10000)
if mode == "BCCH_SDCCH4":
self.subchannel_filter = grgsm.burst_sdcch_subslot_filter(grgsm.SS_FILTER_SDCCH4, subchannel)
self.demapper = grgsm.gsm_bcch_ccch_sdcch4_demapper(timeslot_nr=timeslot, )
else:
self.subchannel_filter = grgsm.burst_sdcch_subslot_filter(grgsm.SS_FILTER_SDCCH8, subchannel)
self.demapper = grgsm.gsm_sdcch8_demapper(timeslot_nr=timeslot, )
self.demapper = grgsm.gsm_sdcch8_demapper(timeslot_nr=timeslot, )
self.decoder = grgsm.control_channels_decoder()
self.extract_cmc = grgsm.extract_cmc()
self.msg_connect((self.burst_file_source, 'out'), (self.timeslot_filter, 'in'))
self.msg_connect((self.timeslot_filter, 'out'), (self.subchannel_filter, 'in'))
self.msg_connect((self.subchannel_filter, 'out'), (self.fnr_filter_start, 'in'))
self.msg_connect((self.fnr_filter_start, 'out'), (self.fnr_filter_end, 'in'))
self.msg_connect((self.fnr_filter_end, 'out'), (self.demapper, 'bursts'))
self.msg_connect((self.demapper, 'bursts'), (self.decoder, 'bursts'))
self.msg_connect((self.decoder, 'msgs'), (self.extract_cmc, 'msgs'))
def __init__(self, timeslot, burst_file, mode, show_gprs):
gr.top_block.__init__(self, "Top Block")
self.gsm_burst_file_source = grgsm.burst_file_source(burst_file)
self.gsm_burst_timeslot_filter = grgsm.burst_timeslot_filter(timeslot)
if mode == 'BCCH_SDCCH4':
self.demapper = grgsm.gsm_bcch_ccch_sdcch4_demapper(
timeslot_nr=timeslot, )
else:
self.demapper = grgsm.gsm_sdcch8_demapper(timeslot_nr=timeslot, )
self.gsm_control_channels_decoder = grgsm.control_channels_decoder()
self.gsm_extract_cmc = grgsm.extract_cmc()
self.gsm_extract_immediate_assignment = grgsm.extract_immediate_assignment(
False, not show_gprs, True)
self.gsm_extract_system_info = grgsm.extract_system_info()
self.msg_connect((self.gsm_burst_file_source, 'out'),
(self.gsm_burst_timeslot_filter, 'in'))
self.msg_connect((self.gsm_burst_timeslot_filter, 'out'),
(self.demapper, 'bursts'))
self.msg_connect((self.demapper, 'bursts'),
(self.gsm_control_channels_decoder, 'bursts'))
self.msg_connect((self.gsm_control_channels_decoder, 'msgs'),
(self.gsm_extract_cmc, 'msgs'))
self.msg_connect((self.gsm_control_channels_decoder, 'msgs'),
(self.gsm_extract_immediate_assignment, 'msgs'))
self.msg_connect((self.gsm_control_channels_decoder, 'msgs'),
(self.gsm_extract_system_info, 'msgs'))
def __init__(self, burst_file, timeslot, mode, framenumber):
gr.top_block.__init__(self, "Top Block")
self.burst_file_source = grgsm.burst_file_source(burst_file)
self.timeslot_filter = grgsm.burst_timeslot_filter(timeslot)
self.fnr_filter_start = grgsm.burst_fnr_filter(
grgsm.FILTER_GREATER_OR_EQUAL, framenumber)
if mode == 'BCCH_SDCCH4':
self.demapper = grgsm.gsm_bcch_ccch_sdcch4_demapper(
timeslot_nr=timeslot, )
else:
self.demapper = grgsm.gsm_sdcch8_demapper(timeslot_nr=timeslot, )
self.decoder = grgsm.control_channels_decoder()
self.extract_immediate_assignment = grgsm.extract_immediate_assignment(
)
self.msg_connect((self.burst_file_source, 'out'),
(self.timeslot_filter, 'in'))
self.msg_connect((self.timeslot_filter, 'out'),
(self.fnr_filter_start, 'in'))
self.msg_connect((self.fnr_filter_start, 'out'),
(self.demapper, 'bursts'))
self.msg_connect((self.demapper, 'bursts'), (self.decoder, 'bursts'))
self.msg_connect((self.decoder, 'msgs'),
(self.extract_immediate_assignment, 'msgs'))
def __init__(self, timeslot, burst_file, mode, fnr_start, fnr_end):
gr.top_block.__init__(self, "Top Block")
self.burst_file_source = grgsm.burst_file_source(burst_file)
self.timeslot_filter = grgsm.burst_timeslot_filter(timeslot)
self.fnr_filter_start = grgsm.burst_fnr_filter(grgsm.FILTER_GREATER_OR_EQUAL, fnr_start)
self.fnr_filter_end = grgsm.burst_fnr_filter(grgsm.FILTER_LESS_OR_EQUAL, fnr_end)
if mode == 'BCCH_SDCCH4':
self.subslot_splitter = grgsm.burst_sdcch_subslot_splitter(grgsm.SPLITTER_SDCCH4)
self.subslot_analyzers = [CMCAnalyzerArm() for x in range(4)]
self.demapper = grgsm.gsm_bcch_ccch_sdcch4_demapper(timeslot_nr=timeslot, )
else:
self.subslot_splitter = grgsm.burst_sdcch_subslot_splitter(grgsm.SPLITTER_SDCCH8)
self.subslot_analyzers = [CMCAnalyzerArm() for x in range(8)]
self.demapper = grgsm.gsm_sdcch8_demapper(timeslot_nr=timeslot, )
self.control_channels_decoder = grgsm.control_channels_decoder()
self.burst_sink = grgsm.burst_sink()
self.msg_connect((self.burst_file_source, 'out'), (self.timeslot_filter, 'in'))
self.msg_connect((self.timeslot_filter, 'out'), (self.fnr_filter_start, 'in'))
self.msg_connect((self.fnr_filter_start, 'out'), (self.fnr_filter_end, 'in'))
self.msg_connect((self.fnr_filter_end, 'out'), (self.demapper, 'bursts'))
self.msg_connect((self.demapper, 'bursts'), (self.burst_sink, 'in'))
self.msg_connect((self.demapper, 'bursts'), (self.subslot_splitter, 'in'))
for i in range(4 if mode == 'BCCH_SDCCH4' else 8):
self.msg_connect((self.subslot_splitter, 'out' + str(i)), (self.subslot_analyzers[i], 'in'))
self.bursts = None
self.cmcs = None
def __init__(self):
gr.top_block.__init__(self, "Uplink decoding demo")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1e6
##################################################
# Blocks
##################################################
self.gsm_sdcch8_demapper_0 = grgsm.gsm_sdcch8_demapper(timeslot_nr=1)
self.gsm_receiver_with_uplink_0 = grgsm.receiver(4, ([0]), ([2]), True)
self.gsm_message_printer_0_0 = grgsm.message_printer(pmt.intern(""), False, False, False)
self.gsm_input_0_0 = grgsm.gsm_input(ppm=0, osr=4, fc=947.8e6 - 45e6, samp_rate_in=samp_rate)
self.gsm_input_0 = grgsm.gsm_input(ppm=0, osr=4, fc=947.8e6, samp_rate_in=samp_rate)
self.gsm_decryption_0_3 = grgsm.decryption(([0x46, 0x77, 0x2D, 0x54, 0xA3, 0xA3, 0xC3, 0x1C]), 1)
self.gsm_control_channels_decoder_0_1_0 = grgsm.control_channels_decoder()
self.gsm_control_channels_decoder_0_1 = grgsm.control_channels_decoder()
self.gsm_clock_offset_control_0 = grgsm.clock_offset_control(947.8e6)
self.blocks_socket_pdu_0_0_0 = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729", 10000, False)
self.blocks_file_source_0_0 = blocks.file_source(gr.sizeof_gr_complex * 1, "sms_multirtl_uplink_tail", False)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_gr_complex * 1, "sms_multirtl_downlink_tail", False)
##################################################
# Connections
##################################################
self.msg_connect((self.gsm_clock_offset_control_0, "ppm"), (self.gsm_input_0, "ppm_in"))
self.msg_connect((self.gsm_clock_offset_control_0, "ppm"), (self.gsm_input_0_0, "ppm_in"))
self.msg_connect((self.gsm_control_channels_decoder_0_1, "msgs"), (self.blocks_socket_pdu_0_0_0, "pdus"))
self.msg_connect((self.gsm_control_channels_decoder_0_1, "msgs"), (self.gsm_message_printer_0_0, "msgs"))
self.msg_connect((self.gsm_control_channels_decoder_0_1_0, "msgs"), (self.blocks_socket_pdu_0_0_0, "pdus"))
self.msg_connect((self.gsm_control_channels_decoder_0_1_0, "msgs"), (self.gsm_message_printer_0_0, "msgs"))
self.msg_connect((self.gsm_decryption_0_3, "bursts"), (self.gsm_control_channels_decoder_0_1_0, "bursts"))
self.msg_connect(
(self.gsm_receiver_with_uplink_0, "measurements"), (self.gsm_clock_offset_control_0, "measurements")
)
self.msg_connect((self.gsm_receiver_with_uplink_0, "C0"), (self.gsm_sdcch8_demapper_0, "bursts"))
self.msg_connect((self.gsm_sdcch8_demapper_0, "bursts"), (self.gsm_control_channels_decoder_0_1, "bursts"))
self.msg_connect((self.gsm_sdcch8_demapper_0, "bursts"), (self.gsm_decryption_0_3, "bursts"))
self.connect((self.blocks_file_source_0, 0), (self.gsm_input_0, 0))
self.connect((self.blocks_file_source_0_0, 0), (self.gsm_input_0_0, 0))
self.connect((self.gsm_input_0, 0), (self.gsm_receiver_with_uplink_0, 0))
self.connect((self.gsm_input_0_0, 0), (self.gsm_receiver_with_uplink_0, 1))
def __init__(self, timeslot, burst_file, mode):
gr.top_block.__init__(self, "Top Block")
self.si_messages = dict()
self.burst_file_source = grgsm.burst_file_source(burst_file)
self.timeslot_filter = grgsm.burst_timeslot_filter(timeslot)
if mode == 'BCCH_SDCCH4':
self.demapper = grgsm.gsm_bcch_ccch_sdcch4_demapper(timeslot_nr=timeslot, )
else:
self.demapper = grgsm.gsm_sdcch8_demapper(timeslot_nr=timeslot, )
self.decoder = grgsm.control_channels_decoder()
self.control_channels_decoder = grgsm.control_channels_decoder()
self.collect_system_info = grgsm.collect_system_info()
self.msg_connect((self.burst_file_source, 'out'), (self.timeslot_filter, 'in'))
self.msg_connect((self.timeslot_filter, 'out'), (self.demapper, 'bursts'))
self.msg_connect((self.demapper, 'bursts'), (self.decoder, 'bursts'))
self.msg_connect((self.decoder, 'msgs'), (self.collect_system_info, 'msgs'))
def __init__(self, args="", fc=939.4e6, gain=30, ppm=0, samp_rate=2000000.052982, shiftoff=400e3, osr=4):
gr.top_block.__init__(self, "Gr-gsm Livemon")
##################################################
# Parameters
##################################################
self.args = args
self.fc = fc
self.gain = gain
self.ppm = ppm
self.samp_rate = samp_rate
self.shiftoff = shiftoff
self.osr = osr
print " [+] starting grgsm_livemon_headless..."
print " [>] frequency: %s Hz (specify with -fc)" % fc
print " [>] gain: %s dB (specify with --gain)" % gain
print " [>] ppm: %s (specify with --ppm)" % ppm
print " [>] sample rate: %s (specify with --samp_rate)" % samp_rate
print " [>] shift offset: %s Hz (specify with --shiftoff)" % shiftoff
self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + args )
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(fc-shiftoff, 0)
self.rtlsdr_source_0.set_freq_corr(self.ppm, 0)
self.rtlsdr_source_0.set_dc_offset_mode(2, 0)
self.rtlsdr_source_0.set_iq_balance_mode(2, 0)
self.rtlsdr_source_0.set_gain_mode(True, 0)
self.rtlsdr_source_0.set_gain(self.gain, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(20, 0)
self.rtlsdr_source_0.set_antenna("", 0)
self.rtlsdr_source_0.set_bandwidth(250e3+abs(shiftoff), 0)
self.gsm_sdcch8_demapper_0 = grgsm.gsm_sdcch8_demapper(
timeslot_nr=1,
)
self.gsm_receiver_0 = grgsm.receiver(4, ([0]), ([]), False)
self.gsm_message_printer_1 = grgsm.message_printer(pmt.intern(""), False,
False, False)
self.gsm_input_0 = grgsm.gsm_input(
ppm=0,
osr=4,
fc=fc,
samp_rate_in=samp_rate,
)
self.gsm_decryption_0 = grgsm.decryption(([]), 1)
self.gsm_control_channels_decoder_0_0 = grgsm.control_channels_decoder()
self.gsm_control_channels_decoder_0 = grgsm.control_channels_decoder()
self.gsm_clock_offset_control_0 = grgsm.clock_offset_control(fc-shiftoff, samp_rate, osr)
self.gsm_bcch_ccch_demapper_0 = grgsm.gsm_bcch_ccch_demapper(
timeslot_nr=0,
)
self.blocks_socket_pdu_0_0 = blocks.socket_pdu("UDP_SERVER", "127.0.0.1", "4730", 10000, False)
self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729", 10000, False)
self.blocks_rotator_cc_0 = blocks.rotator_cc(-2*pi*shiftoff/samp_rate)
##################################################
# Connections
##################################################
self.msg_connect((self.gsm_bcch_ccch_demapper_0, 'bursts'), (self.gsm_control_channels_decoder_0, 'bursts'))
self.msg_connect((self.gsm_clock_offset_control_0, 'ctrl'), (self.gsm_input_0, 'ctrl_in'))
self.msg_connect((self.gsm_control_channels_decoder_0, 'msgs'), (self.blocks_socket_pdu_0, 'pdus'))
self.msg_connect((self.gsm_control_channels_decoder_0, 'msgs'), (self.gsm_message_printer_1, 'msgs'))
self.msg_connect((self.gsm_control_channels_decoder_0_0, 'msgs'), (self.blocks_socket_pdu_0, 'pdus'))
self.msg_connect((self.gsm_control_channels_decoder_0_0, 'msgs'), (self.gsm_message_printer_1, 'msgs'))
self.msg_connect((self.gsm_decryption_0, 'bursts'), (self.gsm_control_channels_decoder_0_0, 'bursts'))
self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_bcch_ccch_demapper_0, 'bursts'))
self.msg_connect((self.gsm_receiver_0, 'measurements'), (self.gsm_clock_offset_control_0, 'measurements'))
self.msg_connect((self.gsm_receiver_0, 'C0'), (self.gsm_sdcch8_demapper_0, 'bursts'))
self.msg_connect((self.gsm_sdcch8_demapper_0, 'bursts'), (self.gsm_decryption_0, 'bursts'))
self.connect((self.blocks_rotator_cc_0, 0), (self.gsm_input_0, 0))
self.connect((self.gsm_input_0, 0), (self.gsm_receiver_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.blocks_rotator_cc_0, 0))
print " [+] go!"
def __init__(self, gain=None, samp_rate=None, ppm=None, arfcn=None, capture_id=None, udp_ports=[], max_timeslot=0, store_capture=True, verbose=False, band=None, rec_length=None, test=False, args=""):
"""
capture_id = identifier for the capture used to store the files (e.g. <capture_id>.cfile)
store_capture = boolean indicating if the capture should be stored on disk or not
rec_length = capture time in seconds
max_timeslot = timeslot 0...max_timeslot will be decoded
udp_ports = a list of udp ports to send the captured GSMTap frames to
"""
gr.top_block.__init__(self, "Gr-gsm Capture")
##################################################
# Parameters
##################################################
self.arfcn = arfcn
for band in grgsm.arfcn.get_bands():
if grgsm.arfcn.is_valid_arfcn(self.arfcn, band):
self.fc = grgsm.arfcn.arfcn2downlink(arfcn, band)
break
self.gain = gain
self.samp_rate = samp_rate
self.ppm = ppm
self.arfcn = arfcn
self.band = band
self.shiftoff = shiftoff = 400e3
self.rec_length = rec_length
self.store_capture = store_capture
self.capture_id = capture_id
self.udp_ports = udp_ports
self.verbose = verbose
##################################################
# Processing Blocks
##################################################
self.rtlsdr_source = osmosdr.source( args="numchan=" + str(1) + " " + "" )
self.rtlsdr_source.set_sample_rate(samp_rate)
self.rtlsdr_source.set_center_freq(self.fc - shiftoff, 0)
self.rtlsdr_source.set_freq_corr(ppm, 0)
self.rtlsdr_source.set_dc_offset_mode(2, 0)
self.rtlsdr_source.set_iq_balance_mode(2, 0)
self.rtlsdr_source.set_gain_mode(True, 0)
self.rtlsdr_source.set_gain(gain, 0)
self.rtlsdr_source.set_if_gain(20, 0)
self.rtlsdr_source.set_bb_gain(20, 0)
self.rtlsdr_source.set_antenna("", 0)
self.rtlsdr_source.set_bandwidth(250e3+abs(shiftoff), 0)
self.blocks_rotator = blocks.rotator_cc(-2*pi*shiftoff/samp_rate)
#RUn for the specified amount of seconds or indefenitely
if self.rec_length is not None:
self.blocks_head_0 = blocks.head(gr.sizeof_gr_complex, int(samp_rate*rec_length))
self.gsm_receiver = grgsm.receiver(4, ([self.arfcn]), ([]))
self.gsm_input = grgsm.gsm_input(
ppm=0,
osr=4,
fc=self.fc,
samp_rate_in=samp_rate,
)
self.gsm_clock_offset_control = grgsm.clock_offset_control(self.fc-shiftoff)
#Control channel demapper for timeslot 0
#self.gsm_bcch_ccch_demapper_0 = grgsm.universal_ctrl_chans_demapper(0, ([2,6,12,16,22,26,32,36,42,46]), ([1,2,2,2,2,2,2,2,2,2]))
self.gsm_bcch_ccch_demapper_0 = grgsm.gsm_bcch_ccch_demapper(0)
#For all other timeslots are assumed to contain sdcch8 logical channels, this demapping may be incorrect
if max_timeslot >= 1 and max_timeslot <= 8:
self.gsm_sdcch8_demappers = []
for i in range(1,max_timeslot + 1):
#self.gsm_sdcch8_demappers.append(grgsm.universal_ctrl_chans_demapper(i, ([0,4,8,12,16,20,24,28,32,36,40,44]), ([8,8,8,8,8,8,8,8,136,136,136,136])))
self.gsm_sdcch8_demappers.append(grgsm.gsm_sdcch8_demapper(i))
#Control channel decoder (extracts the packets), one for each timeslot
self.gsm_control_channels_decoders = []
for i in range(0,max_timeslot + 1):
self.gsm_control_channels_decoders.append(grgsm.control_channels_decoder())
# self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729", 10000, False)# self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729", 10000, False)
#UDP client that sends all decoded C0T0 packets to the specified port on localhost if requested
self.client_sockets = []
self.server_sockets = []
for udp_port in self.udp_ports:
#The server is for testing only
#WARNING remove the server if you want connect to a different one
if test:
self.server_sockets.append(blocks.socket_pdu("UDP_SERVER", "127.0.0.1", str(udp_port), 10000))
self.client_sockets.append(blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", str(udp_port), 10000))
#Sinks to store the capture file if requested
if self.store_capture:
self.gsm_burst_file_sink = grgsm.burst_file_sink(str(self.capture_id) + ".burstfile")
self.blocks_file_sink = blocks.file_sink(gr.sizeof_gr_complex*1, str(self.capture_id) + ".cfile", False)
self.blocks_file_sink.set_unbuffered(False)
#Printer for printing messages when verbose flag is True
if self.verbose:
self.gsm_message_printer = grgsm.message_printer(pmt.intern(""), False)
"""
if self.verbose:
self.gsm_bursts_printer_0 = grgsm.bursts_printer(pmt.intern(""),
False, False, False, False)
"""
##################################################
# Connections
##################################################
if self.rec_length is not None: #if recording length is defined connect head block after the source
self.connect((self.rtlsdr_source, 0), (self.blocks_head_0, 0))
self.connect((self.blocks_head_0, 0), (self.blocks_rotator, 0))
else:
self.connect((self.rtlsdr_source, 0), (self.blocks_rotator, 0))
#Connect the file sinks
if self.store_capture:
self.connect((self.blocks_rotator, 0), (self.blocks_file_sink, 0))
self.msg_connect(self.gsm_receiver, "C0", self.gsm_burst_file_sink, "in")
#Connect the GSM receiver
self.connect((self.gsm_input, 0), (self.gsm_receiver, 0))
self.connect((self.blocks_rotator, 0), (self.gsm_input, 0))
self.msg_connect(self.gsm_clock_offset_control, "ppm", self.gsm_input, "ppm_in")
self.msg_connect(self.gsm_receiver, "measurements", self.gsm_clock_offset_control, "measurements")
#Connect the demapper and decoder for timeslot 0
self.msg_connect((self.gsm_receiver, 'C0'), (self.gsm_bcch_ccch_demapper_0, 'bursts'))
self.msg_connect((self.gsm_bcch_ccch_demapper_0, 'bursts'), (self.gsm_control_channels_decoders[0], 'bursts'))
#Connect the demapper and decoders for the other timeslots
for i in range(1,max_timeslot +1):
self.msg_connect((self.gsm_receiver, 'C0'), (self.gsm_sdcch8_demappers[i-1], 'bursts'))
self.msg_connect((self.gsm_sdcch8_demappers[i-1], 'bursts'), (self.gsm_control_channels_decoders[i], 'bursts'))
#Connect the UDP clients if requested
for client_socket in self.client_sockets:
for i in range(0,max_timeslot + 1):
self.msg_connect((self.gsm_control_channels_decoders[i], 'msgs'), (client_socket, 'pdus'))
#Connect the printer is self.verbose is True
if self.verbose:
for i in range(0,max_timeslot + 1):
self.msg_connect((self.gsm_control_channels_decoders[i], 'msgs'), (self.gsm_message_printer, 'msgs'))
"""
def __init__(self,
args="",
collector="localhost",
collectorport='4729',
fc=941.8e6,
gain=30,
osr=4,
ppm=0,
samp_rate=2000000.052982,
serverport='4729',
shiftoff=400e3):
gr.top_block.__init__(self, "Gr-gsm Livemon")
Qt.QWidget.__init__(self)
self.setWindowTitle("Gr-gsm Livemon")
qtgui.util.check_set_qss()
try:
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
except:
pass
self.top_scroll_layout = Qt.QVBoxLayout()
self.setLayout(self.top_scroll_layout)
self.top_scroll = Qt.QScrollArea()
self.top_scroll.setFrameStyle(Qt.QFrame.NoFrame)
self.top_scroll_layout.addWidget(self.top_scroll)
self.top_scroll.setWidgetResizable(True)
self.top_widget = Qt.QWidget()
self.top_scroll.setWidget(self.top_widget)
self.top_layout = Qt.QVBoxLayout(self.top_widget)
self.top_grid_layout = Qt.QGridLayout()
self.top_layout.addLayout(self.top_grid_layout)
self.settings = Qt.QSettings("GNU Radio", "grgsm_livemon")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Parameters
##################################################
self.args = args
self.collector = collector
self.collectorport = collectorport
self.fc = fc
self.gain = gain
self.osr = osr
self.ppm = ppm
self.samp_rate = samp_rate
self.serverport = serverport
self.shiftoff = shiftoff
##################################################
# Variables
##################################################
self.ppm_slider = ppm_slider = ppm
self.gain_slider = gain_slider = gain
self.fc_slider = fc_slider = fc
##################################################
# Blocks
##################################################
self._ppm_slider_range = Range(-150, 150, 0.1, ppm, 100)
self._ppm_slider_win = RangeWidget(self._ppm_slider_range,
self.set_ppm_slider, 'PPM Offset',
"counter", float)
self.top_grid_layout.addWidget(self._ppm_slider_win)
self._gain_slider_range = Range(0, 100, 0.5, gain, 100)
self._gain_slider_win = RangeWidget(self._gain_slider_range,
self.set_gain_slider, 'Gain',
"counter", float)
self.top_grid_layout.addWidget(self._gain_slider_win)
self._fc_slider_range = Range(800e6, 1990e6, 2e5, fc, 100)
self._fc_slider_win = RangeWidget(self._fc_slider_range,
self.set_fc_slider, 'Frequency',
"counter_slider", float)
self.top_grid_layout.addWidget(self._fc_slider_win)
self.rtlsdr_source_0 = osmosdr.source(
args="numchan=" + str(1) + " " +
'str(grgsm.device.get_default_args(args))')
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(fc_slider - shiftoff, 0)
self.rtlsdr_source_0.set_freq_corr(ppm_slider, 0)
self.rtlsdr_source_0.set_gain(gain_slider, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(20, 0)
self.rtlsdr_source_0.set_antenna('', 0)
self.rtlsdr_source_0.set_bandwidth(250e3 + abs(shiftoff), 0)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
fc_slider, #fc
samp_rate, #bw
"", #name
1)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win)
self.gsm_sdcch8_demapper_0 = grgsm.gsm_sdcch8_demapper(timeslot_nr=1, )
self.gsm_receiver_0 = grgsm.receiver(osr, [1022], [], False)
self.gsm_message_printer_1 = grgsm.message_printer(
pmt.intern(""), False, False, False)
self.gsm_input_0 = grgsm.gsm_input(
ppm=ppm - int(ppm),
osr=osr,
fc=fc_slider - shiftoff,
samp_rate_in=samp_rate,
)
self.gsm_decryption_0 = grgsm.decryption([], 1)
self.gsm_control_channels_decoder_0_0 = grgsm.control_channels_decoder(
)
self.gsm_control_channels_decoder_0 = grgsm.control_channels_decoder()
self.gsm_clock_offset_control_0 = grgsm.clock_offset_control(
fc_slider - shiftoff, samp_rate, osr)
self.gsm_bcch_ccch_demapper_0 = grgsm.gsm_bcch_ccch_demapper(
timeslot_nr=0, )
self.blocks_socket_pdu_0_1 = blocks.socket_pdu('UDP_CLIENT', collector,
collectorport, 1500,
False)
self.blocks_socket_pdu_0_0 = blocks.socket_pdu('UDP_SERVER',
'127.0.0.1', serverport,
10000, False)
self.blocks_rotator_cc_0 = blocks.rotator_cc(-2 * pi * shiftoff /
samp_rate)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_0_0, 'pdus'),
(self.gsm_message_printer_1, 'msgs'))
self.msg_connect((self.gsm_bcch_ccch_demapper_0, 'bursts'),
(self.gsm_control_channels_decoder_0, 'bursts'))
self.msg_connect((self.gsm_clock_offset_control_0, 'ctrl'),
(self.gsm_input_0, 'ctrl_in'))
self.msg_connect((self.gsm_control_channels_decoder_0, 'msgs'),
(self.blocks_socket_pdu_0_1, 'pdus'))
self.msg_connect((self.gsm_control_channels_decoder_0_0, 'msgs'),
(self.blocks_socket_pdu_0_1, 'pdus'))
self.msg_connect((self.gsm_decryption_0, 'bursts'),
(self.gsm_control_channels_decoder_0_0, 'bursts'))
self.msg_connect((self.gsm_receiver_0, 'C0'),
(self.gsm_bcch_ccch_demapper_0, 'bursts'))
self.msg_connect((self.gsm_receiver_0, 'measurements'),
(self.gsm_clock_offset_control_0, 'measurements'))
self.msg_connect((self.gsm_receiver_0, 'C0'),
(self.gsm_sdcch8_demapper_0, 'bursts'))
self.msg_connect((self.gsm_sdcch8_demapper_0, 'bursts'),
(self.gsm_decryption_0, 'bursts'))
self.connect((self.blocks_rotator_cc_0, 0), (self.gsm_input_0, 0))
self.connect((self.blocks_rotator_cc_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.gsm_input_0, 0), (self.gsm_receiver_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.blocks_rotator_cc_0, 0))
def __init__(self,
filename,
samp_rate,
arfcn,
chan_mode='BCCH',
udp_port=4000,
max_timeslot=0,
verbose=True,
args="",
connectToSelf=False):
"""
"""
gr.top_block.__init__(self, "FileAnalyzer")
##################################################
# Parameters
##################################################
self.arfcn = arfcn
for band in grgsm.arfcn.get_bands():
if grgsm.arfcn.is_valid_arfcn(self.arfcn, band):
self.fc = grgsm.arfcn.arfcn2downlink(arfcn, band)
break
self.samp_rate = samp_rate
self.arfcn = arfcn
self.udp_port = udp_port
self.verbose = verbose
self.cfile = filename.encode('utf-8')
self.max_timeslot = max_timeslot
self.chan_mode = chan_mode
##################################################
# Processing Blocks
##################################################
self.file_source = blocks.file_source(gr.sizeof_gr_complex * 1,
self.cfile, False)
self.receiver = grgsm.receiver(4, ([0]), ([]))
if self.fc is not None:
self.input_adapter = grgsm.gsm_input(ppm=0,
osr=4,
fc=self.fc,
samp_rate_in=self.samp_rate)
self.offset_control = grgsm.clock_offset_control(self.fc)
else:
self.input_adapter = grgsm.gsm_input(ppm=0,
osr=4,
samp_rate_in=self.samp_rate)
self.bursts_printer = grgsm.bursts_printer(pmt.intern(""), True, True,
True, True)
self.timeslot_filters = []
for i in range(0, self.max_timeslot + 1):
self.timeslot_filters.append(grgsm.burst_timeslot_filter(i))
self.dummy_burst_filters = []
for i in range(0, self.max_timeslot + 1):
self.dummy_burst_filters.append(grgsm.dummy_burst_filter())
self.other_demappers = []
#Control channel demapper for timeslot 0
self.control_demapper = grgsm.gsm_bcch_ccch_demapper(0)
#Demapping other timeslots than 0 to BCCH does not really make sense
# if self.chan_mode == 'BCCH':
# #Control channel demapper for other timeslots
# for i in range(1, self.timeslot + 1):
# self.other_demappers.append(grgsm.universal_ctrl_chans_demapper(0, ([2,6,12,16,22,26,32,36,42,46]), ([1,2,2,2,2,2,2,2,2,2])))
# #self.bcch_demapper = grgsm.universal_ctrl_chans_demapper(0, ([2,6,12,16,22,26,32,36,42,46]), ([1,2,2,2,2,2,2,2,2,2]))
# #This is for a newer version of grgsm
# #self.bcch_demapper = grgsm.gsm_bcch_ccch_demapper(self.timeslot)
if self.chan_mode == 'BCCH_SDCCH4':
for i in range(1, self.max_timeslot + 1):
self.other_demappers.append(grgsm.gsm_sdcch4_demapper(i))
elif self.chan_mode == 'SDCCH8':
for i in range(1, self.max_timeslot + 1):
#self.other_demappers.append(grgsm.universal_ctrl_chans_demapper(i, ([0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44]), ([8, 8, 8, 8, 8, 8, 8, 8, 136, 136, 136, 136])))
self.other_demappers.append(grgsm.gsm_sdcch8_demapper(i))
#
else:
#Defaults to SDCCH8
for i in range(1, self.max_timeslot + 1):
#self.other_demappers.append(grgsm.universal_ctrl_chans_demapper(i, ([0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44]), ([8, 8, 8, 8, 8, 8, 8, 8, 136, 136, 136, 136])))
self.other_demappers.append(grgsm.gsm_sdcch8_demapper(i))
self.decoders = []
for i in range(0, self.max_timeslot + 1):
self.decoders.append(grgsm.control_channels_decoder())
#Server socket
if connectToSelf:
self.serversocket = blocks.socket_pdu("UDP_SERVER", "127.0.0.1",
str(self.udp_port), 10000)
self.socket_pdu = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1",
str(self.udp_port), 10000)
if self.verbose:
self.message_printer = grgsm.message_printer(
pmt.intern(""), True, True, False)
##################################################
# Asynch Message Connections
##################################################
self.connect((self.file_source, 0), (self.input_adapter, 0))
self.connect((self.input_adapter, 0), (self.receiver, 0))
if self.fc is not None:
self.msg_connect(self.offset_control, "ppm", self.input_adapter,
"ppm_in")
self.msg_connect(self.receiver, "measurements",
self.offset_control, "measurements")
#for df in self.dummy_burst_filters:
# self.msg_connect(self.receiver, "C0", df, "in")
#self.msg_connect(self.receiver, "C0", self.dummy_burst_filter, "in")
#for index, tf in enumerate(self.dummy_burst_filters):
# self.msg_connect(self.dummy_burst_filters[index], "out", self.timeslot_filters[index], "in")
#self.msg_connect(self.dummy_burst_filter, "out", self.timeslot_filter, "in")
#if self.print_bursts:
#for tf in self.timeslot_filters:
# self.msg_connect(tf, "out", self.bursts_printer, 'bursts')
#self.msg_connect(self.timeslot_filter, "out", self.bursts_printer, 'bursts')
#Connect the timeslot 0 demapper and decoder
#self.msg_connect(self.timeslot_filters[0], "out", self.control_demapper, "bursts")
self.msg_connect(self.receiver, "C0", self.control_demapper, "bursts")
self.msg_connect(self.control_demapper, "bursts", self.decoders[0],
"bursts")
self.msg_connect(self.decoders[0], "msgs", self.socket_pdu, "pdus")
if self.verbose:
self.msg_connect(self.decoders[0], "msgs", self.message_printer,
"msgs")
#Connect the demappers and decoders for the other timeslots
for i in range(1, self.max_timeslot + 1):
self.msg_connect(self.receiver, "C0", self.other_demappers[i - 1],
"bursts")
#self.msg_connect(self.timeslot_filters[i], "out", self.other_demappers[i - 1], "bursts")
self.msg_connect(self.other_demappers[i - 1], "bursts",
self.decoders[i], "bursts")
self.msg_connect(self.decoders[i], "msgs", self.socket_pdu, "pdus")
if self.verbose:
self.msg_connect(self.decoders[i], "msgs",
self.message_printer, "msgs")
def __init__(self, osr=4):
gr.top_block.__init__(self, "Uplink decoding demo")
##################################################
# Parameters
##################################################
self.osr = osr
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1e6
##################################################
# Blocks
##################################################
self.socket_pdu_server = blocks.socket_pdu("UDP_SERVER", '127.0.0.1',
'4729', 10000, False)
self.gsm_sdcch8_demapper_0 = grgsm.gsm_sdcch8_demapper(timeslot_nr=1, )
self.gsm_receiver_with_uplink_0 = grgsm.receiver(
4, ([22]), ([2]), True)
self.gsm_message_printer_0_0 = grgsm.message_printer(
pmt.intern(""), False, False, False)
self.gsm_input_0_0 = grgsm.gsm_input(
ppm=0,
osr=4,
fc=947.8e6 - 45e6,
samp_rate_in=samp_rate,
)
self.gsm_input_0 = grgsm.gsm_input(
ppm=0,
osr=4,
fc=947.8e6,
samp_rate_in=samp_rate,
)
self.gsm_decryption_0_3 = grgsm.decryption(
([0x46, 0x77, 0x2d, 0x54, 0xa3, 0xa3, 0xc3, 0x1c]), 1)
self.gsm_control_channels_decoder_0_1_0 = grgsm.control_channels_decoder(
)
self.gsm_control_channels_decoder_0_1 = grgsm.control_channels_decoder(
)
self.gsm_clock_offset_control_0 = grgsm.clock_offset_control(
947.8e6, samp_rate, osr)
self.blocks_socket_pdu_0_0_0 = blocks.socket_pdu(
"UDP_CLIENT", '127.0.0.1', '4729', 10000, False)
self.blocks_file_source_0_0 = blocks.file_source(
gr.sizeof_gr_complex * 1, 'sms_multirtl_uplink_tail.cfile', False)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_gr_complex * 1, 'sms_multirtl_downlink_tail.cfile',
False)
##################################################
# Connections
##################################################
self.msg_connect((self.gsm_clock_offset_control_0, 'ctrl'),
(self.gsm_input_0, 'ctrl_in'))
self.msg_connect((self.gsm_clock_offset_control_0, 'ctrl'),
(self.gsm_input_0_0, 'ctrl_in'))
self.msg_connect((self.gsm_control_channels_decoder_0_1, 'msgs'),
(self.blocks_socket_pdu_0_0_0, 'pdus'))
self.msg_connect((self.gsm_control_channels_decoder_0_1, 'msgs'),
(self.gsm_message_printer_0_0, 'msgs'))
self.msg_connect((self.gsm_control_channels_decoder_0_1_0, 'msgs'),
(self.blocks_socket_pdu_0_0_0, 'pdus'))
self.msg_connect((self.gsm_control_channels_decoder_0_1_0, 'msgs'),
(self.gsm_message_printer_0_0, 'msgs'))
self.msg_connect((self.gsm_decryption_0_3, 'bursts'),
(self.gsm_control_channels_decoder_0_1_0, 'bursts'))
self.msg_connect((self.gsm_receiver_with_uplink_0, 'measurements'),
(self.gsm_clock_offset_control_0, 'measurements'))
self.msg_connect((self.gsm_receiver_with_uplink_0, 'C0'),
(self.gsm_sdcch8_demapper_0, 'bursts'))
self.msg_connect((self.gsm_sdcch8_demapper_0, 'bursts'),
(self.gsm_control_channels_decoder_0_1, 'bursts'))
self.msg_connect((self.gsm_sdcch8_demapper_0, 'bursts'),
(self.gsm_decryption_0_3, 'bursts'))
self.connect((self.blocks_file_source_0, 0), (self.gsm_input_0, 0))
self.connect((self.blocks_file_source_0_0, 0), (self.gsm_input_0_0, 0))
self.connect((self.gsm_input_0, 0),
(self.gsm_receiver_with_uplink_0, 0))
self.connect((self.gsm_input_0_0, 0),
(self.gsm_receiver_with_uplink_0, 1))
def __init__(self,
rec_len=1000000,
samp_rate=2000000.052982,
fc=941.8e6,
shiftoff=400e3,
args="",
osr=4,
collector="localhost",
collectorport="4729",
serverport="4729",
gain=30,
ppm=0):
gr.top_block.__init__(self, "Gr-gsm Livemon")
##################################################
# Parameters
##################################################
self.rec_len = rec_len
self.samp_rate = samp_rate
self.fc = fc
self.shiftoff = shiftoff
self.args = args
self.osr = osr
self.collector = collector
self.collectorport = collectorport
self.serverport = serverport
self.gain = gain
self.ppm = ppm
##################################################
# Blocks
##################################################
self.rtlsdr_source_0 = osmosdr.source(args="numchan=" + str(1) + " " +
args)
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(fc - shiftoff, 0)
self.rtlsdr_source_0.set_freq_corr(ppm, 0)
self.rtlsdr_source_0.set_dc_offset_mode(2, 0)
self.rtlsdr_source_0.set_iq_balance_mode(2, 0)
self.rtlsdr_source_0.set_gain_mode(False, 0)
self.rtlsdr_source_0.set_gain(gain, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(20, 0)
self.rtlsdr_source_0.set_antenna("", 0)
self.rtlsdr_source_0.set_bandwidth(250e3 + abs(shiftoff), 0)
self.gsm_sdcch8_demapper_0 = grgsm.gsm_sdcch8_demapper(timeslot_nr=1, )
self.gsm_receiver_0 = grgsm.receiver(4, ([0]), ([]), False)
self.gsm_message_printer_1 = grgsm.message_printer(
pmt.intern(""), False, False, False)
self.gsm_input_0 = grgsm.gsm_input(
ppm=ppm - int(ppm),
osr=4,
fc=fc,
samp_rate_in=samp_rate,
)
self.gsm_decryption_0 = grgsm.decryption(([]), 1)
self.gsm_control_channels_decoder_0_0 = grgsm.control_channels_decoder(
)
self.gsm_control_channels_decoder_0 = grgsm.control_channels_decoder()
self.gsm_clock_offset_control_0 = grgsm.clock_offset_control(
fc - shiftoff, samp_rate, osr)
self.gsm_bcch_ccch_sdcch4_demapper_0 = grgsm.gsm_bcch_ccch_sdcch4_demapper(
timeslot_nr=0, )
self.blocks_socket_pdu_0_1 = blocks.socket_pdu("UDP_CLIENT", collector,
collectorport, 1500,
False)
self.blocks_socket_pdu_0_0 = blocks.socket_pdu("UDP_SERVER",
"127.0.0.1", serverport,
10000, False)
self.blocks_rotator_cc_0 = blocks.rotator_cc(-2 * pi * shiftoff /
samp_rate)
self.blocks_head_0 = blocks.head(gr.sizeof_gr_complex * 1,
int(rec_len * samp_rate))
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_0_0, 'pdus'),
(self.gsm_message_printer_1, 'msgs'))
self.msg_connect((self.gsm_bcch_ccch_sdcch4_demapper_0, 'bursts'),
(self.gsm_control_channels_decoder_0, 'bursts'))
self.msg_connect((self.gsm_clock_offset_control_0, 'ctrl'),
(self.gsm_input_0, 'ctrl_in'))
self.msg_connect((self.gsm_control_channels_decoder_0, 'msgs'),
(self.blocks_socket_pdu_0_1, 'pdus'))
self.msg_connect((self.gsm_control_channels_decoder_0_0, 'msgs'),
(self.blocks_socket_pdu_0_1, 'pdus'))
self.msg_connect((self.gsm_decryption_0, 'bursts'),
(self.gsm_control_channels_decoder_0_0, 'bursts'))
self.msg_connect((self.gsm_receiver_0, 'C0'),
(self.gsm_bcch_ccch_sdcch4_demapper_0, 'bursts'))
self.msg_connect((self.gsm_receiver_0, 'measurements'),
(self.gsm_clock_offset_control_0, 'measurements'))
self.msg_connect((self.gsm_receiver_0, 'C0'),
(self.gsm_sdcch8_demapper_0, 'bursts'))
self.msg_connect((self.gsm_sdcch8_demapper_0, 'bursts'),
(self.gsm_decryption_0, 'bursts'))
self.connect((self.blocks_head_0, 0), (self.blocks_rotator_cc_0, 0))
self.connect((self.blocks_rotator_cc_0, 0), (self.gsm_input_0, 0))
self.connect((self.gsm_input_0, 0), (self.gsm_receiver_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.blocks_head_0, 0))
def __init__(self, filename, samp_rate, arfcn, chan_mode='BCCH', udp_port=4000, max_timeslot=0, verbose=True, args="", connectToSelf=False):
"""
"""
gr.top_block.__init__(self, "FileAnalyzer")
##################################################
# Parameters
##################################################
self.arfcn = arfcn
for band in grgsm.arfcn.get_bands():
if grgsm.arfcn.is_valid_arfcn(self.arfcn, band):
self.fc = grgsm.arfcn.arfcn2downlink(arfcn, band)
break
self.samp_rate = samp_rate
self.arfcn = arfcn
self.udp_port = udp_port
self.verbose = verbose
self.cfile = filename.encode('utf-8')
self.max_timeslot = max_timeslot
self.chan_mode = chan_mode
##################################################
# Processing Blocks
##################################################
self.file_source = blocks.file_source(gr.sizeof_gr_complex*1, self.cfile, False)
self.receiver = grgsm.receiver(4, ([0]), ([]))
if self.fc is not None:
self.input_adapter = grgsm.gsm_input(ppm=0, osr=4, fc=self.fc, samp_rate_in=self.samp_rate)
self.offset_control = grgsm.clock_offset_control(self.fc)
else:
self.input_adapter = grgsm.gsm_input(ppm=0, osr=4, samp_rate_in=self.samp_rate)
self.bursts_printer = grgsm.bursts_printer(pmt.intern(""), True, True, True, True)
self.timeslot_filters = []
for i in range(0, self.max_timeslot + 1):
self.timeslot_filters.append(grgsm.burst_timeslot_filter(i))
self.dummy_burst_filters = []
for i in range(0, self.max_timeslot + 1):
self.dummy_burst_filters.append(grgsm.dummy_burst_filter())
self.other_demappers = []
#Control channel demapper for timeslot 0
self.control_demapper = grgsm.gsm_bcch_ccch_demapper(0)
#Demapping other timeslots than 0 to BCCH does not really make sense
# if self.chan_mode == 'BCCH':
# #Control channel demapper for other timeslots
# for i in range(1, self.timeslot + 1):
# self.other_demappers.append(grgsm.universal_ctrl_chans_demapper(0, ([2,6,12,16,22,26,32,36,42,46]), ([1,2,2,2,2,2,2,2,2,2])))
# #self.bcch_demapper = grgsm.universal_ctrl_chans_demapper(0, ([2,6,12,16,22,26,32,36,42,46]), ([1,2,2,2,2,2,2,2,2,2]))
# #This is for a newer version of grgsm
# #self.bcch_demapper = grgsm.gsm_bcch_ccch_demapper(self.timeslot)
if self.chan_mode == 'BCCH_SDCCH4':
for i in range(1, self.max_timeslot + 1):
self.other_demappers.append(grgsm.gsm_sdcch4_demapper(i))
elif self.chan_mode == 'SDCCH8':
for i in range(1, self.max_timeslot + 1):
#self.other_demappers.append(grgsm.universal_ctrl_chans_demapper(i, ([0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44]), ([8, 8, 8, 8, 8, 8, 8, 8, 136, 136, 136, 136])))
self.other_demappers.append(grgsm.gsm_sdcch8_demapper(i))
#
else:
#Defaults to SDCCH8
for i in range(1, self.max_timeslot + 1):
#self.other_demappers.append(grgsm.universal_ctrl_chans_demapper(i, ([0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44]), ([8, 8, 8, 8, 8, 8, 8, 8, 136, 136, 136, 136])))
self.other_demappers.append(grgsm.gsm_sdcch8_demapper(i))
self.decoders = []
for i in range(0, self.max_timeslot + 1):
self.decoders.append(grgsm.control_channels_decoder())
#Server socket
if connectToSelf:
self.serversocket = blocks.socket_pdu("UDP_SERVER", "127.0.0.1", str(self.udp_port), 10000)
self.socket_pdu = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", str(self.udp_port), 10000)
if self.verbose:
self.message_printer = grgsm.message_printer(pmt.intern(""), True, True, False)
##################################################
# Asynch Message Connections
##################################################
self.connect((self.file_source, 0), (self.input_adapter, 0))
self.connect((self.input_adapter, 0), (self.receiver, 0))
if self.fc is not None:
self.msg_connect(self.offset_control, "ppm", self.input_adapter, "ppm_in")
self.msg_connect(self.receiver, "measurements", self.offset_control, "measurements")
#for df in self.dummy_burst_filters:
# self.msg_connect(self.receiver, "C0", df, "in")
#self.msg_connect(self.receiver, "C0", self.dummy_burst_filter, "in")
#for index, tf in enumerate(self.dummy_burst_filters):
# self.msg_connect(self.dummy_burst_filters[index], "out", self.timeslot_filters[index], "in")
#self.msg_connect(self.dummy_burst_filter, "out", self.timeslot_filter, "in")
#if self.print_bursts:
#for tf in self.timeslot_filters:
# self.msg_connect(tf, "out", self.bursts_printer, 'bursts')
#self.msg_connect(self.timeslot_filter, "out", self.bursts_printer, 'bursts')
#Connect the timeslot 0 demapper and decoder
#self.msg_connect(self.timeslot_filters[0], "out", self.control_demapper, "bursts")
self.msg_connect(self.receiver, "C0", self.control_demapper, "bursts")
self.msg_connect(self.control_demapper, "bursts", self.decoders[0], "bursts")
self.msg_connect(self.decoders[0], "msgs", self.socket_pdu, "pdus")
if self.verbose:
self.msg_connect(self.decoders[0], "msgs", self.message_printer, "msgs")
#Connect the demappers and decoders for the other timeslots
for i in range(1, self.max_timeslot + 1):
self.msg_connect(self.receiver, "C0", self.other_demappers[i-1], "bursts")
#self.msg_connect(self.timeslot_filters[i], "out", self.other_demappers[i - 1], "bursts")
self.msg_connect(self.other_demappers[i - 1], "bursts", self.decoders[i], "bursts")
self.msg_connect(self.decoders[i], "msgs", self.socket_pdu, "pdus")
if self.verbose:
self.msg_connect(self.decoders[i], "msgs", self.message_printer, "msgs")
def __init__(self,
gain=None,
samp_rate=None,
ppm=None,
arfcn=None,
capture_id=None,
udp_ports=[],
max_timeslot=0,
store_capture=True,
verbose=False,
band=None,
rec_length=None,
test=False,
args=""):
"""
capture_id = identifier for the capture used to store the files (e.g. <capture_id>.cfile)
store_capture = boolean indicating if the capture should be stored on disk or not
rec_length = capture time in seconds
max_timeslot = timeslot 0...max_timeslot will be decoded
udp_ports = a list of udp ports to send the captured GSMTap frames to
"""
gr.top_block.__init__(self, "Gr-gsm Capture")
##################################################
# Parameters
##################################################
self.arfcn = arfcn
for band in grgsm.arfcn.get_bands():
if grgsm.arfcn.is_valid_arfcn(self.arfcn, band):
self.fc = grgsm.arfcn.arfcn2downlink(arfcn, band)
break
self.gain = gain
self.samp_rate = samp_rate
self.ppm = ppm
self.arfcn = arfcn
self.band = band
self.shiftoff = shiftoff = 400e3
self.rec_length = rec_length
self.store_capture = store_capture
self.capture_id = capture_id
self.udp_ports = udp_ports
self.verbose = verbose
##################################################
# Processing Blocks
##################################################
self.rtlsdr_source = osmosdr.source(args="numchan=" + str(1) + " " +
"")
self.rtlsdr_source.set_sample_rate(samp_rate)
self.rtlsdr_source.set_center_freq(self.fc - shiftoff, 0)
self.rtlsdr_source.set_freq_corr(ppm, 0)
self.rtlsdr_source.set_dc_offset_mode(2, 0)
self.rtlsdr_source.set_iq_balance_mode(2, 0)
self.rtlsdr_source.set_gain_mode(True, 0)
self.rtlsdr_source.set_gain(gain, 0)
self.rtlsdr_source.set_if_gain(20, 0)
self.rtlsdr_source.set_bb_gain(20, 0)
self.rtlsdr_source.set_antenna("", 0)
self.rtlsdr_source.set_bandwidth(250e3 + abs(shiftoff), 0)
self.blocks_rotator = blocks.rotator_cc(-2 * pi * shiftoff / samp_rate)
#RUn for the specified amount of seconds or indefenitely
if self.rec_length is not None:
self.blocks_head_0 = blocks.head(gr.sizeof_gr_complex,
int(samp_rate * rec_length))
self.gsm_receiver = grgsm.receiver(4, ([self.arfcn]), ([]))
self.gsm_input = grgsm.gsm_input(
ppm=0,
osr=4,
fc=self.fc,
samp_rate_in=samp_rate,
)
self.gsm_clock_offset_control = grgsm.clock_offset_control(self.fc -
shiftoff)
#Control channel demapper for timeslot 0
#self.gsm_bcch_ccch_demapper_0 = grgsm.universal_ctrl_chans_demapper(0, ([2,6,12,16,22,26,32,36,42,46]), ([1,2,2,2,2,2,2,2,2,2]))
self.gsm_bcch_ccch_demapper_0 = grgsm.gsm_bcch_ccch_demapper(0)
#For all other timeslots are assumed to contain sdcch8 logical channels, this demapping may be incorrect
if max_timeslot >= 1 and max_timeslot <= 8:
self.gsm_sdcch8_demappers = []
for i in range(1, max_timeslot + 1):
#self.gsm_sdcch8_demappers.append(grgsm.universal_ctrl_chans_demapper(i, ([0,4,8,12,16,20,24,28,32,36,40,44]), ([8,8,8,8,8,8,8,8,136,136,136,136])))
self.gsm_sdcch8_demappers.append(grgsm.gsm_sdcch8_demapper(i))
#Control channel decoder (extracts the packets), one for each timeslot
self.gsm_control_channels_decoders = []
for i in range(0, max_timeslot + 1):
self.gsm_control_channels_decoders.append(
grgsm.control_channels_decoder())
# self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729", 10000, False)# self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729", 10000, False)
#UDP client that sends all decoded C0T0 packets to the specified port on localhost if requested
self.client_sockets = []
self.server_sockets = []
for udp_port in self.udp_ports:
#The server is for testing only
#WARNING remove the server if you want connect to a different one
if test:
self.server_sockets.append(
blocks.socket_pdu("UDP_SERVER", "127.0.0.1", str(udp_port),
10000))
self.client_sockets.append(
blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", str(udp_port),
10000))
#Sinks to store the capture file if requested
if self.store_capture:
self.gsm_burst_file_sink = grgsm.burst_file_sink(
str(self.capture_id) + ".burstfile")
self.blocks_file_sink = blocks.file_sink(
gr.sizeof_gr_complex * 1,
str(self.capture_id) + ".cfile", False)
self.blocks_file_sink.set_unbuffered(False)
#Printer for printing messages when verbose flag is True
if self.verbose:
self.gsm_message_printer = grgsm.message_printer(
pmt.intern(""), False)
"""
if self.verbose:
self.gsm_bursts_printer_0 = grgsm.bursts_printer(pmt.intern(""),
False, False, False, False)
"""
##################################################
# Connections
##################################################
if self.rec_length is not None: #if recording length is defined connect head block after the source
self.connect((self.rtlsdr_source, 0), (self.blocks_head_0, 0))
self.connect((self.blocks_head_0, 0), (self.blocks_rotator, 0))
else:
self.connect((self.rtlsdr_source, 0), (self.blocks_rotator, 0))
#Connect the file sinks
if self.store_capture:
self.connect((self.blocks_rotator, 0), (self.blocks_file_sink, 0))
self.msg_connect(self.gsm_receiver, "C0", self.gsm_burst_file_sink,
"in")
#Connect the GSM receiver
self.connect((self.gsm_input, 0), (self.gsm_receiver, 0))
self.connect((self.blocks_rotator, 0), (self.gsm_input, 0))
self.msg_connect(self.gsm_clock_offset_control, "ppm", self.gsm_input,
"ppm_in")
self.msg_connect(self.gsm_receiver, "measurements",
self.gsm_clock_offset_control, "measurements")
#Connect the demapper and decoder for timeslot 0
self.msg_connect((self.gsm_receiver, 'C0'),
(self.gsm_bcch_ccch_demapper_0, 'bursts'))
self.msg_connect((self.gsm_bcch_ccch_demapper_0, 'bursts'),
(self.gsm_control_channels_decoders[0], 'bursts'))
#Connect the demapper and decoders for the other timeslots
for i in range(1, max_timeslot + 1):
self.msg_connect((self.gsm_receiver, 'C0'),
(self.gsm_sdcch8_demappers[i - 1], 'bursts'))
self.msg_connect((self.gsm_sdcch8_demappers[i - 1], 'bursts'),
(self.gsm_control_channels_decoders[i], 'bursts'))
#Connect the UDP clients if requested
for client_socket in self.client_sockets:
for i in range(0, max_timeslot + 1):
self.msg_connect(
(self.gsm_control_channels_decoders[i], 'msgs'),
(client_socket, 'pdus'))
#Connect the printer is self.verbose is True
if self.verbose:
for i in range(0, max_timeslot + 1):
self.msg_connect(
(self.gsm_control_channels_decoders[i], 'msgs'),
(self.gsm_message_printer, 'msgs'))
"""
def test_downlink (self):
"""
SDCCH8 demapper downlink test
"""
src = grgsm.burst_source(test_data.frames, test_data.timeslots, test_data.bursts)
src.set_arfcn(0); # downlink
demapper = grgsm.gsm_sdcch8_demapper(timeslot_nr=0)
dst = grgsm.burst_sink()
self.tb.msg_connect(src, "out", demapper, "bursts")
self.tb.msg_connect(demapper, "bursts", dst, "in")
self.tb.run ()
b = test_data.bursts
self.assertEqual([
b[ 0], b[ 1], b[ 2], b[ 3], #SDCCH 0
b[ 4], b[ 5], b[ 6], b[ 7], #SDCCH 1
b[ 8], b[ 9], b[ 10], b[ 11], #SDCCH 2
b[ 12], b[ 13], b[ 14], b[ 15], #SDCCH 3
b[ 16], b[ 17], b[ 18], b[ 19], #SDCCH 4
b[ 20], b[ 21], b[ 22], b[ 23], #SDCCH 5
b[ 24], b[ 25], b[ 26], b[ 27], #SDCCH 6
b[ 28], b[ 29], b[ 30], b[ 31], #SDCCH 7
b[ 32], b[ 33], b[ 34], b[ 35], #SACCH 0
b[ 36], b[ 37], b[ 38], b[ 39], #SACCH 1
b[ 40], b[ 41], b[ 42], b[ 43], #SACCH 2
b[ 44], b[ 45], b[ 46], b[ 47], #SACCH 3 #skip 48-50
b[ 51], b[ 52], b[ 53], b[ 54], #SDCCH 0
b[ 55], b[ 56], b[ 57], b[ 58], #SDCCH 1
b[ 59], b[ 60], b[ 61], b[ 62], #SDCCH 2
b[ 63], b[ 64], b[ 65], b[ 66], #SDCCH 3
b[ 67], b[ 68], b[ 69], b[ 70], #SDCCH 4
b[ 71], b[ 72], b[ 73], b[ 74], #SDCCH 5
b[ 75], b[ 76], b[ 77], b[ 78], #SDCCH 6
b[ 79], b[ 80], b[ 81], b[ 82], #SDCCH 7
b[ 83], b[ 84], b[ 85], b[ 86], #SACCH 4
b[ 87], b[ 88], b[ 89], b[ 90], #SACCH 5
b[ 91], b[ 92], b[ 93], b[ 94], #SACCH 6
b[ 95], b[ 96], b[ 97], b[ 98], #SACCH 7 #skip 99-101
b[102], b[103], b[104], b[105], #SDCCH
], list(dst.get_burst_data()))
self.assertEqual([
8, 8, 8, 8,
8, 8, 8, 8,
8, 8, 8, 8,
8, 8, 8, 8,
8, 8, 8, 8,
8, 8, 8, 8,
8, 8, 8, 8,
8, 8, 8, 8,
136, 136, 136, 136,
136, 136, 136, 136,
136, 136, 136, 136,
136, 136, 136, 136,
8, 8, 8, 8,
8, 8, 8, 8,
8, 8, 8, 8,
8, 8, 8, 8,
8, 8, 8, 8,
8, 8, 8, 8,
8, 8, 8, 8,
8, 8, 8, 8,
136, 136, 136, 136,
136, 136, 136, 136,
136, 136, 136, 136,
136, 136, 136, 136,
8, 8, 8, 8,
], list(dst.get_sub_types()))
self.assertEqual([
0, 0, 0, 0,
1, 1, 1, 1,
2, 2, 2, 2,
3, 3, 3, 3,
4, 4, 4, 4,
5, 5, 5, 5,
6, 6, 6, 6,
7, 7, 7, 7,
0, 0, 0, 0, #SACCH 0
1, 1, 1, 1, #SACCH 1
2, 2, 2, 2, #SACCH 2
3, 3, 3, 3, #SACCH 3
0, 0, 0, 0,
1, 1, 1, 1,
2, 2, 2, 2,
3, 3, 3, 3,
4, 4, 4, 4,
5, 5, 5, 5,
6, 6, 6, 6,
7, 7, 7, 7,
4, 4, 4, 4, #SACCH 4
5, 5, 5, 5, #SACCH 5
6, 6, 6, 6, #SACCH 6
7, 7, 7, 7, #SACCH 7
0, 0, 0, 0,
], list(dst.get_sub_slots()))
