Esempio n. 1
0
    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, source, destination, framenr_ge=None, framenr_le=None, timeslot=None, subslot=None,
                 filter_dummy_bursts=False):
        gr.top_block.__init__(self, "Top Block")

        self.burst_file_source = grgsm.burst_file_source(source)
        self.burst_file_sink = grgsm.burst_file_sink(destination)

        lastblock = self.burst_file_source

        if framenr_ge is not None:
            self.burst_fnr_filterge = grgsm.burst_fnr_filter(grgsm.FILTER_GREATER_OR_EQUAL, framenr_ge)
            self.msg_connect((lastblock, 'out'), (self.burst_fnr_filterge, 'in'))
            lastblock = self.burst_fnr_filterge

        if framenr_le is not None:
            self.burst_fnr_filterle = grgsm.burst_fnr_filter(grgsm.FILTER_LESS_OR_EQUAL, framenr_le)
            self.msg_connect((lastblock, 'out'), (self.burst_fnr_filterle, 'in'))
            lastblock = self.burst_fnr_filterle

        if timeslot is not None:
            self.burst_timeslot_filter = grgsm.burst_timeslot_filter(timeslot)
            self.msg_connect((lastblock, 'out'), (self.burst_timeslot_filter, 'in'))
            lastblock = self.burst_timeslot_filter

        if subslot is not None:
            self.burst_sdcch_subslot_filter = grgsm.burst_sdcch_subslot_filter(grgsm.SS_FILTER_SDCCH8, subslot)
            self.msg_connect((lastblock, 'out'), (self.burst_sdcch_subslot_filter, 'in'))
            lastblock = self.burst_sdcch_subslot_filter

        if filter_dummy_bursts:
            self.dummy_burst_filter = grgsm.dummy_burst_filter()
            self.msg_connect((lastblock, 'out'), (self.dummy_burst_filter, 'in'))
            lastblock = self.dummy_burst_filter

        self.msg_connect((lastblock, 'out'), (self.burst_file_sink, 'in'))
    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, 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):
        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'))
Esempio n. 7
0
    def __init__(self, fc=943.6e6, shiftoff=400e3, ppm=0, gain=30, samp_rate=2000000.052982):
        gr.top_block.__init__(self, "Decode Bursts Nogui")

        ##################################################
        # Parameters
        ##################################################
        self.fc = fc
        self.shiftoff = shiftoff
        self.ppm = ppm
        self.gain = gain
        self.samp_rate = samp_rate

        ##################################################
        # Blocks
        ##################################################
        self.gsm_sdcch8_demapper_0 = grgsm.universal_ctrl_chans_demapper(1, ([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_message_printer_1 = grgsm.message_printer(pmt.intern(""), False,
            False, False)
        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_burst_file_source_0 = grgsm.burst_file_source("/tmp/bursts")
        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.blocks_socket_pdu_0_0 = blocks.socket_pdu("UDP_SERVER", "127.0.0.1", "4729", 10000, False)
        self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729", 10000, False)

        ##################################################
        # Asynch Message Connections
        ##################################################
        self.msg_connect(self.gsm_sdcch8_demapper_0, "bursts", self.gsm_decryption_0, "bursts")
        self.msg_connect(self.gsm_decryption_0, "bursts", self.gsm_control_channels_decoder_0_0, "bursts")
        self.msg_connect(self.gsm_control_channels_decoder_0_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, "msgs", self.gsm_message_printer_1, "msgs")
        self.msg_connect(self.gsm_control_channels_decoder_0, "msgs", self.blocks_socket_pdu_0, "pdus")
        self.msg_connect(self.gsm_bcch_ccch_demapper_0, "bursts", self.gsm_control_channels_decoder_0, "bursts")
        self.msg_connect(self.gsm_burst_file_source_0, "out", self.gsm_bcch_ccch_demapper_0, "bursts")
        self.msg_connect(self.gsm_burst_file_source_0, "out", self.gsm_sdcch8_demapper_0, "bursts")
    def __init__(self,
                 timeslot=0,
                 chan_mode='BCCH',
                 burst_file=None,
                 cfile=None,
                 fc=None,
                 samp_rate=2e6,
                 ppm=0):

        gr.top_block.__init__(self, "gr-gsm TMSI Capture")

        ##################################################
        # Parameters
        ##################################################
        self.timeslot = timeslot
        self.chan_mode = chan_mode
        self.burst_file = burst_file
        self.cfile = cfile
        self.fc = fc
        self.samp_rate = samp_rate
        self.ppm = ppm

        ##################################################
        # Blocks
        ##################################################

        if self.burst_file:
            self.burst_file_source = grgsm.burst_file_source(burst_file)
        elif self.cfile:
            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=ppm,
                                                     osr=4,
                                                     fc=self.fc,
                                                     samp_rate_in=samp_rate)
                self.offset_control = grgsm.clock_offset_control(
                    self.fc, self.samp_rate)
            else:
                self.input_adapter = grgsm.gsm_input(ppm=ppm,
                                                     osr=4,
                                                     samp_rate_in=samp_rate)

        self.dummy_burst_filter = grgsm.dummy_burst_filter()
        self.timeslot_filter = grgsm.burst_timeslot_filter(self.timeslot)

        if self.chan_mode == 'BCCH':
            self.bcch_demapper = grgsm.gsm_bcch_ccch_demapper(self.timeslot)
        elif self.chan_mode == 'BCCH_SDCCH4':
            self.bcch_sdcch4_demapper = grgsm.gsm_bcch_ccch_sdcch4_demapper(
                self.timeslot)

        self.cch_decoder = grgsm.control_channels_decoder()
        self.tmsi_dumper = grgsm.tmsi_dumper()
        self.socket_pdu_server = blocks.socket_pdu("UDP_SERVER", "127.0.0.1",
                                                   "4729", 10000)
        self.socket_pdu = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729",
                                            10000)

        ##################################################
        # Asynch Message Connections
        ##################################################

        if self.burst_file:
            self.msg_connect(self.burst_file_source, "out",
                             self.dummy_burst_filter, "in")
        elif self.cfile:
            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, "ctrl",
                                 self.input_adapter, "ctrl_in")
                self.msg_connect(self.receiver, "measurements",
                                 self.offset_control, "measurements")
            self.msg_connect(self.receiver, "C0", self.dummy_burst_filter,
                             "in")

        self.msg_connect(self.dummy_burst_filter, "out", self.timeslot_filter,
                         "in")

        if self.chan_mode == 'BCCH':
            self.msg_connect(self.timeslot_filter, "out", self.bcch_demapper,
                             "bursts")
            self.msg_connect(self.bcch_demapper, "bursts", self.cch_decoder,
                             "bursts")
            self.msg_connect(self.cch_decoder, "msgs", self.socket_pdu, "pdus")
            self.msg_connect(self.cch_decoder, "msgs", self.tmsi_dumper,
                             "msgs")

        elif self.chan_mode == 'BCCH_SDCCH4':
            self.msg_connect(self.timeslot_filter, "out",
                             self.bcch_sdcch4_demapper, "bursts")
            self.msg_connect(self.bcch_sdcch4_demapper, "bursts",
                             self.cch_decoder, "bursts")
            self.msg_connect(self.cch_decoder, "msgs", self.socket_pdu, "pdus")
            self.msg_connect(self.cch_decoder, "msgs", self.tmsi_dumper,
                             "msgs")
Esempio n. 9
0
    def __init__(self, timeslot=0, subslot=None, chan_mode='BCCH',
                 burst_file=None,
                 cfile=None, fc=939.4e6, samp_rate=2e6, arfcn=None,
                 a5=1, a5_kc=None,
                 speech_file=None, speech_codec=None):

        gr.top_block.__init__(self, "Airprobe Decode")

        ##################################################
        # Parameters
        ##################################################
        self.timeslot = timeslot
        self.subslot = subslot
        self.chan_mode = chan_mode
        self.burst_file = burst_file
        self.cfile = cfile
        self.fc = fc
        self.samp_rate = samp_rate
        self.arfcn = arfcn
        self.a5 = a5
        self.kc = a5_kc
        if len(a5_kc) < 8:
            self.kc = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]
        self.speech_file = speech_file
        self.speech_codec = speech_codec

        ##################################################
        # Blocks
        ##################################################

        if self.burst_file:
            self.burst_file_source = grgsm.burst_file_source(burst_file)
        elif self.cfile:
            self.file_source = blocks.file_source(gr.sizeof_gr_complex*1, self.cfile, False)
            self.receiver = grgsm.receiver(4, ([0]), ([]))
            self.input_adapter = grgsm.gsm_input(
                ppm=0,
                osr=4,
                fc=fc,
                samp_rate_in=samp_rate,
            )
            self.offset_control = grgsm.clock_offset_control(fc)

        self.dummy_burst_filter = grgsm.dummy_burst_filter()
        self.timeslot_filter = grgsm.burst_timeslot_filter(self.timeslot)

        self.subslot_filter = None
        if self.chan_mode == 'BCCH_SDCCH4' and self.subslot is not None:
            self.subslot_filter = grgsm.burst_sdcch_subslot_filter(grgsm.SS_FILTER_SDCCH4, self.subslot)
        elif self.chan_mode == 'SDCCH8' and self.subslot is not None:
            self.subslot_filter = grgsm.burst_sdcch_subslot_filter(grgsm.SS_FILTER_SDCCH8, self.subslot)

        if self.chan_mode == 'BCCH':
            self.bcch_demapper = grgsm.universal_ctrl_chans_demapper(self.timeslot,
                                                                     ([2, 6, 12, 16, 22, 26, 32, 36, 42, 46]),
                                                                     ([1, 2, 2, 2, 2, 2, 2, 2, 2, 2]))
        elif self.chan_mode == 'BCCH_SDCCH4':
            self.bcch_sdcch4_demapper = grgsm.universal_ctrl_chans_demapper(self.timeslot,
                                                                            ([2, 6, 12, 16, 22, 26, 32, 36, 42, 46]),
                                                                            ([1, 2, 2, 2, 7, 7, 7, 7, 135, 135]))
        elif self.chan_mode == 'SDCCH8':
            self.sdcch8_demapper = grgsm.universal_ctrl_chans_demapper(self.timeslot,
                                                                       ([0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44]),
                                                                       ([8, 8, 8, 8, 8, 8, 8, 8, 136, 136, 136, 136]))
        elif self.chan_mode == 'TCHF':
            self.tch_f_demapper = grgsm.tch_f_chans_demapper(self.timeslot)
            self.tch_f_decoder = grgsm.tch_f_decoder(speech_codec, speech_file)

        if self.kc != [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]:
            self.decryption = grgsm.decryption(self.kc, self.a5)
            self.cch_decoder_decrypted = grgsm.control_channels_decoder()
            if self.chan_mode == 'TCHF':
                self.decryption_tch_sacch = grgsm.decryption(self.kc, self.a5)

        self.cch_decoder = grgsm.control_channels_decoder()

        self.socket_pdu = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729", 10000, False)

        ##################################################
        # Asynch Message Connections
        ##################################################

        if self.burst_file:
            self.msg_connect(self.burst_file_source, "out", self.dummy_burst_filter, "in")
        elif self.cfile:
            self.connect((self.file_source, 0), (self.input_adapter, 0))
            self.connect((self.input_adapter, 0), (self.receiver, 0))
            self.msg_connect(self.offset_control, "ppm", self.input_adapter, "ppm_in")
            self.msg_connect(self.receiver, "measurements", self.offset_control, "measurements")
            self.msg_connect(self.receiver, "C0", self.dummy_burst_filter, "in")

        self.msg_connect(self.dummy_burst_filter, "out", self.timeslot_filter, "in")

        if (self.chan_mode == 'BCCH_SDCCH4' or self.chan_mode == 'SDCCH8') and self.subslot_filter is not None:
            self.msg_connect(self.timeslot_filter, "out", self.subslot_filter, "in")

        if self.chan_mode == 'BCCH':
            if self.subslot_filter is not None:
                self.msg_connect(self.subslot_filter, "out", self.bcch_demapper, "bursts")
            else:
                self.msg_connect(self.timeslot_filter, "out", self.bcch_demapper, "bursts")

            self.msg_connect(self.bcch_demapper, "bursts", self.cch_decoder, "bursts")
            self.msg_connect(self.cch_decoder, "msgs", self.socket_pdu, "pdus")

        elif self.chan_mode == 'BCCH_SDCCH4':
            if self.subslot_filter is not None:
                self.msg_connect(self.subslot_filter, "out", self.bcch_sdcch4_demapper, "bursts")
            else:
                self.msg_connect(self.timeslot_filter, "out", self.bcch_sdcch4_demapper, "bursts")

            if self.kc != [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]:
                self.msg_connect(self.bcch_sdcch4_demapper, "bursts", self.decryption, "bursts")
                self.msg_connect(self.decryption, "bursts", self.cch_decoder_decrypted, "bursts")
                self.msg_connect(self.cch_decoder_decrypted, "msgs", self.socket_pdu, "pdus")

            self.msg_connect(self.bcch_sdcch4_demapper, "bursts", self.cch_decoder, "bursts")
            self.msg_connect(self.cch_decoder, "msgs", self.socket_pdu, "pdus")

        elif self.chan_mode == 'SDCCH8':
            if self.subslot_filter is not None:
                self.msg_connect(self.subslot_filter, "out", self.sdcch8_demapper, "bursts")
            else:
                self.msg_connect(self.timeslot_filter, "out", self.sdcch8_demapper, "bursts")

            if self.kc != [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]:
                self.msg_connect(self.sdcch8_demapper, "bursts", self.decryption, "bursts")
                self.msg_connect(self.decryption, "bursts", self.cch_decoder_decrypted, "bursts")
                self.msg_connect(self.cch_decoder_decrypted, "msgs", self.socket_pdu, "pdus")

            self.msg_connect(self.sdcch8_demapper, "bursts", self.cch_decoder, "bursts")
            self.msg_connect(self.cch_decoder, "msgs", self.socket_pdu, "pdus")

        elif self.chan_mode == 'TCHF':
            self.msg_connect(self.timeslot_filter, "out", self.tch_f_demapper, "bursts")
            if self.kc != [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]:
                self.msg_connect(self.tch_f_demapper, "acch_bursts", self.decryption_tch_sacch, "bursts")
                self.msg_connect(self.tch_f_demapper, "tch_bursts", self.decryption, "bursts")

                self.msg_connect(self.decryption_tch_sacch, "bursts", self.cch_decoder, "bursts")
                self.msg_connect(self.decryption, "bursts", self.tch_f_decoder, "bursts")
            else:
                self.msg_connect(self.tch_f_demapper, "acch_bursts", self.cch_decoder, "bursts")
                self.msg_connect(self.tch_f_demapper, "tch_bursts", self.tch_f_decoder, "bursts")

            self.msg_connect(self.tch_f_decoder, "msgs", self.socket_pdu, "pdus")
            self.msg_connect(self.cch_decoder, "msgs", self.socket_pdu, "pdus")
Esempio n. 10
0
    def __init__(self,
                 timeslot=0,
                 subslot=None,
                 chan_mode='BCCH',
                 burst_file=None,
                 cfile=None,
                 fc=939.4e6,
                 samp_rate=2e6,
                 arfcn=None,
                 a5=1,
                 a5_kc=None,
                 speech_file=None,
                 speech_codec=None,
                 verbose=False):

        gr.top_block.__init__(self, "Airprobe Decode")

        ##################################################
        # Parameters
        ##################################################
        self.timeslot = timeslot
        self.subslot = subslot
        self.chan_mode = chan_mode
        self.burst_file = burst_file
        self.cfile = cfile
        self.fc = fc
        self.samp_rate = samp_rate
        self.arfcn = arfcn
        self.a5 = a5
        self.kc = a5_kc
        if len(a5_kc) < 8:
            self.kc = [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]
        self.speech_file = speech_file
        self.speech_codec = speech_codec
        self.verbose = verbose

        ##################################################
        # Blocks
        ##################################################

        if self.burst_file:
            self.burst_file_source = grgsm.burst_file_source(burst_file)
        elif self.cfile:
            self.file_source = blocks.file_source(gr.sizeof_gr_complex * 1,
                                                  self.cfile, False)
            self.receiver = grgsm.receiver(4, ([0]), ([]))
            self.input_adapter = grgsm.gsm_input(
                ppm=0,
                osr=4,
                fc=fc,
                samp_rate_in=samp_rate,
            )
            self.offset_control = grgsm.clock_offset_control(fc)

        self.dummy_burst_filter = grgsm.dummy_burst_filter()
        self.timeslot_filter = grgsm.burst_timeslot_filter(self.timeslot)

        self.subslot_filter = None
        if self.chan_mode == 'BCCH_SDCCH4' and self.subslot is not None:
            self.subslot_filter = grgsm.burst_sdcch_subslot_filter(
                grgsm.SS_FILTER_SDCCH4, self.subslot)
        elif self.chan_mode == 'SDCCH8' and self.subslot is not None:
            self.subslot_filter = grgsm.burst_sdcch_subslot_filter(
                grgsm.SS_FILTER_SDCCH8, self.subslot)

        if self.chan_mode == 'BCCH':
            self.bcch_demapper = grgsm.universal_ctrl_chans_demapper(
                self.timeslot, ([2, 6, 12, 16, 22, 26, 32, 36, 42, 46]),
                ([1, 2, 2, 2, 2, 2, 2, 2, 2, 2]))
        elif self.chan_mode == 'BCCH_SDCCH4':
            self.bcch_sdcch4_demapper = grgsm.universal_ctrl_chans_demapper(
                self.timeslot, ([2, 6, 12, 16, 22, 26, 32, 36, 42, 46]),
                ([1, 2, 2, 2, 7, 7, 7, 7, 135, 135]))
        elif self.chan_mode == 'SDCCH8':
            self.sdcch8_demapper = grgsm.universal_ctrl_chans_demapper(
                self.timeslot, ([0, 4, 8, 12, 16, 20, 24, 28, 32, 36, 40, 44]),
                ([8, 8, 8, 8, 8, 8, 8, 8, 136, 136, 136, 136]))
        elif self.chan_mode == 'TCHF':
            self.tch_f_demapper = grgsm.tch_f_chans_demapper(self.timeslot)
            self.tch_f_decoder = grgsm.tch_f_decoder(speech_codec, speech_file)

        if self.kc != [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]:
            self.decryption = grgsm.decryption(self.kc, self.a5)
            self.cch_decoder_decrypted = grgsm.control_channels_decoder()
            if self.chan_mode == 'TCHF':
                self.decryption_tch_sacch = grgsm.decryption(self.kc, self.a5)

        self.cch_decoder = grgsm.control_channels_decoder()

        self.socket_pdu = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729",
                                            10000, False)
        if self.verbose:
            self.message_printer = grgsm.message_printer(
                pmt.intern(""), True, True, False)

        ##################################################
        # Asynch Message Connections
        ##################################################

        if self.burst_file:
            self.msg_connect(self.burst_file_source, "out",
                             self.dummy_burst_filter, "in")
        elif self.cfile:
            self.connect((self.file_source, 0), (self.input_adapter, 0))
            self.connect((self.input_adapter, 0), (self.receiver, 0))
            self.msg_connect(self.offset_control, "ppm", self.input_adapter,
                             "ppm_in")
            self.msg_connect(self.receiver, "measurements",
                             self.offset_control, "measurements")
            self.msg_connect(self.receiver, "C0", self.dummy_burst_filter,
                             "in")

        self.msg_connect(self.dummy_burst_filter, "out", self.timeslot_filter,
                         "in")

        if (self.chan_mode == 'BCCH_SDCCH4' or self.chan_mode
                == 'SDCCH8') and self.subslot_filter is not None:
            self.msg_connect(self.timeslot_filter, "out", self.subslot_filter,
                             "in")

        if self.chan_mode == 'BCCH':
            if self.subslot_filter is not None:
                self.msg_connect(self.subslot_filter, "out",
                                 self.bcch_demapper, "bursts")
            else:
                self.msg_connect(self.timeslot_filter, "out",
                                 self.bcch_demapper, "bursts")

            self.msg_connect(self.bcch_demapper, "bursts", self.cch_decoder,
                             "bursts")
            self.msg_connect(self.cch_decoder, "msgs", self.socket_pdu, "pdus")
            if self.verbose:
                self.msg_connect(self.cch_decoder, "msgs",
                                 self.message_printer, "msgs")

        elif self.chan_mode == 'BCCH_SDCCH4':
            if self.subslot_filter is not None:
                self.msg_connect(self.subslot_filter, "out",
                                 self.bcch_sdcch4_demapper, "bursts")
            else:
                self.msg_connect(self.timeslot_filter, "out",
                                 self.bcch_sdcch4_demapper, "bursts")

            if self.kc != [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]:
                self.msg_connect(self.bcch_sdcch4_demapper, "bursts",
                                 self.decryption, "bursts")
                self.msg_connect(self.decryption, "bursts",
                                 self.cch_decoder_decrypted, "bursts")
                self.msg_connect(self.cch_decoder_decrypted, "msgs",
                                 self.socket_pdu, "pdus")
                if self.verbose:
                    self.msg_connect(self.cch_decoder_decrypted, "msgs",
                                     self.message_printer, "msgs")

            self.msg_connect(self.bcch_sdcch4_demapper, "bursts",
                             self.cch_decoder, "bursts")
            self.msg_connect(self.cch_decoder, "msgs", self.socket_pdu, "pdus")
            if self.verbose:
                self.msg_connect(self.cch_decoder, "msgs",
                                 self.message_printer, "msgs")

        elif self.chan_mode == 'SDCCH8':
            if self.subslot_filter is not None:
                self.msg_connect(self.subslot_filter, "out",
                                 self.sdcch8_demapper, "bursts")
            else:
                self.msg_connect(self.timeslot_filter, "out",
                                 self.sdcch8_demapper, "bursts")

            if self.kc != [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]:
                self.msg_connect(self.sdcch8_demapper, "bursts",
                                 self.decryption, "bursts")
                self.msg_connect(self.decryption, "bursts",
                                 self.cch_decoder_decrypted, "bursts")
                self.msg_connect(self.cch_decoder_decrypted, "msgs",
                                 self.socket_pdu, "pdus")
                if self.verbose:
                    self.msg_connect(self.cch_decoder_decrypted, "msgs",
                                     self.message_printer, "msgs")

            self.msg_connect(self.sdcch8_demapper, "bursts", self.cch_decoder,
                             "bursts")
            self.msg_connect(self.cch_decoder, "msgs", self.socket_pdu, "pdus")
            if self.verbose:
                self.msg_connect(self.cch_decoder, "msgs",
                                 self.message_printer, "msgs")

        elif self.chan_mode == 'TCHF':
            self.msg_connect(self.timeslot_filter, "out", self.tch_f_demapper,
                             "bursts")
            if self.kc != [0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00]:
                self.msg_connect(self.tch_f_demapper, "acch_bursts",
                                 self.decryption_tch_sacch, "bursts")
                self.msg_connect(self.tch_f_demapper, "tch_bursts",
                                 self.decryption, "bursts")

                self.msg_connect(self.decryption_tch_sacch, "bursts",
                                 self.cch_decoder, "bursts")
                self.msg_connect(self.decryption, "bursts", self.tch_f_decoder,
                                 "bursts")
            else:
                self.msg_connect(self.tch_f_demapper, "acch_bursts",
                                 self.cch_decoder, "bursts")
                self.msg_connect(self.tch_f_demapper, "tch_bursts",
                                 self.tch_f_decoder, "bursts")

            self.msg_connect(self.tch_f_decoder, "msgs", self.socket_pdu,
                             "pdus")
            self.msg_connect(self.cch_decoder, "msgs", self.socket_pdu, "pdus")
            if self.verbose:
                self.msg_connect(self.tch_f_decoder, "msgs",
                                 self.message_printer, "msgs")
                self.msg_connect(self.cch_decoder, "msgs",
                                 self.message_printer, "msgs")
Esempio n. 11
0
    def __init__(self, gain=30, ppm=0, samp_rate=2000000.052982, shiftoff=400e3, fc=943.6e6):
        gr.top_block.__init__(self, "Decode Bursts")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Decode Bursts")
        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", "decode_bursts")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Parameters
        ##################################################
        self.gain = gain
        self.ppm = ppm
        self.samp_rate = samp_rate
        self.shiftoff = shiftoff
        self.fc = fc

        ##################################################
        # Variables
        ##################################################
        self.ppm_slider = ppm_slider = ppm
        self.g_slider = g_slider = gain
        self.fc_slider = fc_slider = fc

        ##################################################
        # Blocks
        ##################################################
        self._ppm_slider_layout = Qt.QHBoxLayout()
        self._ppm_slider_layout.addWidget(Qt.QLabel("PPM Offset"+": "))
        class qwt_counter_pyslot(Qwt.QwtCounter):
            def __init__(self, parent=None):
                Qwt.QwtCounter.__init__(self, parent)
            @pyqtSlot('double')
            def setValue(self, value):
                super(Qwt.QwtCounter, self).setValue(value)
        self._ppm_slider_counter = qwt_counter_pyslot()
        self._ppm_slider_counter.setRange(-150, 150, 1)
        self._ppm_slider_counter.setNumButtons(2)
        self._ppm_slider_counter.setMinimumWidth(100)
        self._ppm_slider_counter.setValue(self.ppm_slider)
        self._ppm_slider_layout.addWidget(self._ppm_slider_counter)
        self._ppm_slider_counter.valueChanged.connect(self.set_ppm_slider)
        self.top_layout.addLayout(self._ppm_slider_layout)
        self.gsm_sdcch8_demapper_0 = grgsm.universal_ctrl_chans_demapper(1, ([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_message_printer_1 = grgsm.message_printer(pmt.intern(""), False,
            False, False)
        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_burst_file_source_0 = grgsm.burst_file_source("/tmp/bursts")
        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._g_slider_layout = Qt.QHBoxLayout()
        self._g_slider_layout.addWidget(Qt.QLabel("Gain"+": "))
        class qwt_counter_pyslot(Qwt.QwtCounter):
            def __init__(self, parent=None):
                Qwt.QwtCounter.__init__(self, parent)
            @pyqtSlot('double')
            def setValue(self, value):
                super(Qwt.QwtCounter, self).setValue(value)
        self._g_slider_counter = qwt_counter_pyslot()
        self._g_slider_counter.setRange(0, 50, 0.5)
        self._g_slider_counter.setNumButtons(2)
        self._g_slider_counter.setMinimumWidth(100)
        self._g_slider_counter.setValue(self.g_slider)
        self._g_slider_layout.addWidget(self._g_slider_counter)
        self._g_slider_counter.valueChanged.connect(self.set_g_slider)
        self.top_layout.addLayout(self._g_slider_layout)
        self._fc_slider_layout = Qt.QVBoxLayout()
        self._fc_slider_tool_bar = Qt.QToolBar(self)
        self._fc_slider_layout.addWidget(self._fc_slider_tool_bar)
        self._fc_slider_tool_bar.addWidget(Qt.QLabel("Frequency"+": "))
        class qwt_counter_pyslot(Qwt.QwtCounter):
            def __init__(self, parent=None):
                Qwt.QwtCounter.__init__(self, parent)
            @pyqtSlot('double')
            def setValue(self, value):
                super(Qwt.QwtCounter, self).setValue(value)
        self._fc_slider_counter = qwt_counter_pyslot()
        self._fc_slider_counter.setRange(925e6, 1990e6, 2e5)
        self._fc_slider_counter.setNumButtons(2)
        self._fc_slider_counter.setValue(self.fc_slider)
        self._fc_slider_tool_bar.addWidget(self._fc_slider_counter)
        self._fc_slider_counter.valueChanged.connect(self.set_fc_slider)
        self._fc_slider_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
        self._fc_slider_slider.setRange(925e6, 1990e6, 2e5)
        self._fc_slider_slider.setValue(self.fc_slider)
        self._fc_slider_slider.setMinimumWidth(100)
        self._fc_slider_slider.valueChanged.connect(self.set_fc_slider)
        self._fc_slider_layout.addWidget(self._fc_slider_slider)
        self.top_layout.addLayout(self._fc_slider_layout)
        self.blocks_socket_pdu_0_0 = blocks.socket_pdu("UDP_SERVER", "127.0.0.1", "4729", 10000, False)
        self.blocks_socket_pdu_0 = blocks.socket_pdu("UDP_CLIENT", "127.0.0.1", "4729", 10000, False)

        ##################################################
        # Asynch Message Connections
        ##################################################
        self.msg_connect(self.gsm_burst_file_source_0, "out", self.gsm_sdcch8_demapper_0, "bursts")
        self.msg_connect(self.gsm_burst_file_source_0, "out", self.gsm_bcch_ccch_demapper_0, "bursts")
        self.msg_connect(self.gsm_bcch_ccch_demapper_0, "bursts", self.gsm_control_channels_decoder_0, "bursts")
        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_sdcch8_demapper_0, "bursts", self.gsm_decryption_0, "bursts")