Esempio n. 1
0
    def __init__(self,
                 constellation=gnuradio.digital.constellation_qpsk().base(),
                 preamble=[]):
        gr.top_block.__init__(self, "Top Block")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Top Block")
        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", "top_block")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Parameters
        ##################################################
        self.constellation = constellation
        self.preamble = preamble

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.usrp_device_address = usrp_device_address = "addr=192.168.10.2"
        self.tx_center_frequency = tx_center_frequency = 3.9e8
        self.timeout_duration_ms = timeout_duration_ms = 100
        self.system_time_granularity_us = system_time_granularity_us = 10
        self.source_address = source_address = 1
        self.slot_time = slot_time = 8
        self.samp_rate = samp_rate = 400000
        self.rx_gain = rx_gain = 25
        self.rx_center_frequency = rx_center_frequency = 3.9e8

        self.rrc = rrc = firdes.root_raised_cosine(1.0, sps, 1, 0.5, 11 * sps)

        self.mu = mu = 0.6
        self.min_window_size = min_window_size = 1
        self.diff_preamble_128 = diff_preamble_128 = [
            1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0,
            1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1,
            1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0,
            1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0,
            1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1,
            1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0,
            1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1,
            0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0,
            0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0,
            0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1,
            0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1,
            1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0
        ][0:128]
        self.destination_address = destination_address = 100
        self.cs_threshold = cs_threshold = 0.001
        self.Single_rxp_time_s = Single_rxp_time_s = 60
        self.SIFS = SIFS = 10

        ##################################################
        # Blocks
        ##################################################
        self.dmdl_timer_1 = dmdl.timer(0, 5, 0, 1000, 10, 0)
        self.dmdl_timer_0 = dmdl.timer(0, 5, 0, 500, 10, 0)
        self.dmdl_start_0 = dmdl.start(5, 10)
        self.dmdl_sending_0 = dmdl.sending(
            0, 11,
            gnuradio.digital.constellation_qpsk().base(), diff_preamble_128,
            samp_rate, sps, system_time_granularity_us, usrp_device_address,
            tx_center_frequency, 0.005, 0.05, "t1TXs", "Tfr", 0, 0, 0)
        self.dmdl_probe_0 = dmdl.probe(0, 100, 0, 0, 0.01, 0,
                                       "/home/inets/source/gr-inets/results/",
                                       "", 1)
        self.dmdl_framing_0 = dmdl.framing(0, 17, 1, 1, 1, 1,
                                           destination_address, 1,
                                           source_address, 1, 318, 2, 524, 2,
                                           2, 1, 1, 0, ([2, 3]),
                                           ([1000, 1000]), 2, 0, 300, 1)
        self.dmdl_dummy_source_0 = dmdl.dummy_source(0, 23, 100, 1, 1)
        self.dmdl_counter_0 = dmdl.counter(0, 100, 1, "", 0,
                                           "/home/pwa/Source/gr-dmdl/result",
                                           1)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.dmdl_dummy_source_0, 'End'),
                         (self.dmdl_framing_0, 'Begin'))
        self.msg_connect((self.dmdl_framing_0, 'End'),
                         (self.dmdl_sending_0, 'in'))
        self.msg_connect((self.dmdl_sending_0, 'data_frame_out'),
                         (self.dmdl_probe_0, 'info_in'))
        self.msg_connect((self.dmdl_start_0, 'Begin'),
                         (self.dmdl_timer_0, 'Begin'))
        self.msg_connect((self.dmdl_timer_0, 'End'),
                         (self.dmdl_dummy_source_0, 'Begin'))
    def __init__(self,
                 constellation=gnuradio.digital.constellation_qpsk().base(),
                 preamble=[]):
        gr.top_block.__init__(self, "Ieee 80211 Dcf Twoway Handshake I")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Ieee 80211 Dcf Twoway Handshake I")
        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",
                                     "IEEE_80211_DCF_twoway_handshake_I")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Parameters
        ##################################################
        self.constellation = constellation
        self.preamble = preamble

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.usrp_device_address = usrp_device_address = "addr=192.168.10.2"
        self.tx_center_frequency = tx_center_frequency = 3.9e8
        self.timeout_duration_ms = timeout_duration_ms = 100
        self.system_time_granularity_us = system_time_granularity_us = 10
        self.source_address = source_address = 1
        self.slot_time = slot_time = 8
        self.samp_rate = samp_rate = 400000
        self.rx_gain = rx_gain = 0
        self.rx_center_frequency = rx_center_frequency = 3.9e8

        self.rrc = rrc = firdes.root_raised_cosine(1.0, sps, 1, 0.5, 11 * sps)

        self.mu = mu = 0.6
        self.min_window_size = min_window_size = 1
        self.diff_preamble_128 = diff_preamble_128 = [
            1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0,
            1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1,
            1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0,
            1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0,
            1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1,
            1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0,
            1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1,
            0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0,
            0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0,
            0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1,
            0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1,
            1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0
        ][0:128]
        self.destination_address = destination_address = 2
        self.cs_threshold = cs_threshold = 0.001
        self.Single_rxp_time_s = Single_rxp_time_s = 60
        self.SIFS = SIFS = 10

        ##################################################
        # Blocks
        ##################################################
        self.dmdl_type_check_0_0 = dmdl.type_check(0, 25, 0, 0, 1, 1, 1, 1, 1,
                                                   1, 1, 1)
        self.dmdl_type_check_0 = dmdl.type_check(0, 25, 0, 0, 1, 1, 1, 1, 1, 1,
                                                 1, 1)
        self.dmdl_timer_0_0 = dmdl.timer(0, 5, 0, 20, 10, 0)
        self.dmdl_timer_0 = dmdl.timer(0, 5, 0, 50, 10, 0)
        self.dmdl_timeout_0 = dmdl.timeout(0, 10, 100, 1000, 0)
        self.dmdl_start_0 = dmdl.start(1, 10)
        self.dmdl_sending_0 = dmdl.sending(
            0, 11,
            gnuradio.digital.constellation_qpsk().base(), diff_preamble_128,
            samp_rate, sps, system_time_granularity_us, usrp_device_address,
            tx_center_frequency, 0.005, 0.05, "t1TXs", "Tfr", 0, 1, 0)
        self.dmdl_resend_check_0 = dmdl.resend_check(0, 24, 6)
        self.dmdl_receiving_0 = dmdl.receiving(
            1, 21,
            gnuradio.digital.constellation_qpsk().base(), rrc, mu,
            diff_preamble_128, rx_gain, samp_rate, sps, 30,
            usrp_device_address, rx_center_frequency)
        self.dmdl_probe_0_0 = dmdl.probe(
            1, 2, 0, 0, 0.01, 0, "/home/inets/source/gr-inets/results/", "", 1)
        self.dmdl_path_0 = dmdl.path(0, 44, 1, "")
        self.dmdl_framing_0_0 = dmdl.framing(0, 17, 2, 1, 0, 1,
                                             destination_address, 1,
                                             source_address, 1, 318, 2, 524, 2,
                                             2, 1, 1, 0, ([2, 3]),
                                             ([1000, 1000]), 2, 0, 300, 1)
        self.dmdl_framing_0 = dmdl.framing(0, 17, 1, 1, 1, 1,
                                           destination_address, 1,
                                           source_address, 1, 318, 2, 524, 2,
                                           2, 1, 1, 0, ([2, 3]),
                                           ([1000, 1000]), 2, 0, 300, 1)
        self.dmdl_frame_analysis_0 = dmdl.frame_analysis(
            0, 7, 1, 1, 1, 1, 1, 2, 2, 2, 1, source_address)
        self.dmdl_error_detection_0 = dmdl.error_detection(0, 9)
        self.dmdl_dummy_source_0 = dmdl.dummy_source(0, 23, 100, 1, 1)
        self.dmdl_carrier_sensing_0 = dmdl.carrier_sensing(
            0, 11, 2, 100, cs_threshold, system_time_granularity_us, 100, 20)
        self.dmdl_backoff_0_0 = dmdl.backoff(0, 11, 1, 10, 100, 400, 0, 0.005,
                                             10, 1, 6)
        self.dmdl_backoff_0 = dmdl.backoff(0, 3, 1, 10, 100, 400, 0, 0.005, 10,
                                           1, 2)
        self.dmdl_attribute_editor_0 = dmdl.attribute_editor(
            0, 16, "num_transmission", 1, 1)
        self.dmdl_address_check_0 = dmdl.address_check(0, 17, source_address,
                                                       0)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.dmdl_address_check_0, 'Pass'),
                         (self.dmdl_type_check_0, 'Begin'))
        self.msg_connect((self.dmdl_attribute_editor_0, 'cmd_out'),
                         (self.dmdl_path_0, 'Begin'))
        self.msg_connect((self.dmdl_backoff_0, 'End'),
                         (self.dmdl_resend_check_0, 'Begin'))
        self.msg_connect((self.dmdl_backoff_0_0, 'End'),
                         (self.dmdl_dummy_source_0, 'Begin'))
        self.msg_connect((self.dmdl_carrier_sensing_0, 'Fail'),
                         (self.dmdl_backoff_0, 'Begin'))
        self.msg_connect((self.dmdl_carrier_sensing_0, 'cs_Threshold'),
                         (self.dmdl_backoff_0, 'cs_Threshold'))
        self.msg_connect((self.dmdl_carrier_sensing_0, 'cs_Threshold'),
                         (self.dmdl_backoff_0_0, 'cs_Threshold'))
        self.msg_connect((self.dmdl_carrier_sensing_0, 'Pass'),
                         (self.dmdl_receiving_0, 'rx_switch_in'))
        self.msg_connect((self.dmdl_dummy_source_0, 'End'),
                         (self.dmdl_framing_0, 'Begin'))
        self.msg_connect((self.dmdl_error_detection_0, 'Pass'),
                         (self.dmdl_address_check_0, 'Begin'))
        self.msg_connect((self.dmdl_frame_analysis_0, 'Pass'),
                         (self.dmdl_error_detection_0, 'Begin'))
        self.msg_connect((self.dmdl_frame_analysis_0, 'Pass'),
                         (self.dmdl_probe_0_0, 'info_in'))
        self.msg_connect((self.dmdl_framing_0, 'End'),
                         (self.dmdl_path_0, 'Begin'))
        self.msg_connect((self.dmdl_framing_0_0, 'End'),
                         (self.dmdl_timer_0_0, 'Begin'))
        self.msg_connect((self.dmdl_path_0, 'End'),
                         (self.dmdl_carrier_sensing_0, 'Begin'))
        self.msg_connect((self.dmdl_path_0, 'End'),
                         (self.dmdl_timer_0, 'Begin'))
        self.msg_connect((self.dmdl_receiving_0, 'rx_power_out'),
                         (self.dmdl_backoff_0, 'Rssi'))
        self.msg_connect((self.dmdl_receiving_0, 'rx_power_out'),
                         (self.dmdl_backoff_0_0, 'Rssi'))
        self.msg_connect((self.dmdl_receiving_0, 'rx_power_out'),
                         (self.dmdl_carrier_sensing_0, 'Rssi'))
        self.msg_connect((self.dmdl_receiving_0, 'rx_frame_out'),
                         (self.dmdl_frame_analysis_0, 'Begin'))
        self.msg_connect((self.dmdl_receiving_0, 'rx_switch_out'),
                         (self.dmdl_sending_0, 'in'))
        self.msg_connect((self.dmdl_resend_check_0, 'Pass'),
                         (self.dmdl_attribute_editor_0, 'cmd_in'))
        self.msg_connect((self.dmdl_resend_check_0, 'Fail'),
                         (self.dmdl_dummy_source_0, 'Begin'))
        self.msg_connect((self.dmdl_sending_0, 'rx_control_out'),
                         (self.dmdl_receiving_0, 'rx_switch_in'))
        self.msg_connect((self.dmdl_sending_0, 'DATA'),
                         (self.dmdl_timeout_0, 'Begin_DATA'))
        self.msg_connect((self.dmdl_start_0, 'Begin'),
                         (self.dmdl_dummy_source_0, 'Begin'))
        self.msg_connect((self.dmdl_timeout_0, 'End'),
                         (self.dmdl_type_check_0_0, 'Begin'))
        self.msg_connect((self.dmdl_timer_0, 'End'),
                         (self.dmdl_carrier_sensing_0, 'Stop'))
        self.msg_connect((self.dmdl_timer_0_0, 'End'),
                         (self.dmdl_receiving_0, 'rx_switch_in'))
        self.msg_connect((self.dmdl_type_check_0, 'DATA'),
                         (self.dmdl_framing_0_0, 'Begin'))
        self.msg_connect((self.dmdl_type_check_0, 'ACK'),
                         (self.dmdl_timeout_0, 'confIrm_ACK'))
        self.msg_connect((self.dmdl_type_check_0_0, 'DATA'),
                         (self.dmdl_backoff_0, 'Begin'))
        self.msg_connect((self.dmdl_type_check_0_0, 'ACK'),
                         (self.dmdl_backoff_0_0, 'Begin'))
Esempio n. 3
0
    def __init__(self,
                 constellation=gnuradio.digital.constellation_qpsk().base(),
                 preamble=[]):
        gr.top_block.__init__(self, "Ieee 80211 Dcf Twoway Handshake")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Ieee 80211 Dcf Twoway Handshake")
        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",
                                     "IEEE_80211_DCF_twoway_handshake")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Parameters
        ##################################################
        self.constellation = constellation
        self.preamble = preamble

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.usrp_device_address = usrp_device_address = "addr=192.168.10.3"
        self.tx_center_frequency = tx_center_frequency = 3.9e8
        self.timeout_duration_ms = timeout_duration_ms = 100
        self.system_time_granularity_us = system_time_granularity_us = 10
        self.source_address = source_address = 1
        self.slot_time = slot_time = 8
        self.samp_rate = samp_rate = 400000
        self.rx_gain = rx_gain = 25
        self.rx_center_frequency = rx_center_frequency = 3.9e8

        self.rrc = rrc = firdes.root_raised_cosine(1.0, sps, 1, 0.5, 11 * sps)

        self.mu = mu = 0.6
        self.min_window_size = min_window_size = 1
        self.diff_preamble_128 = diff_preamble_128 = [
            1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0,
            1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1,
            1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0,
            1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0,
            1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1,
            1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0,
            1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1,
            0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0,
            0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0,
            0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1,
            0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1,
            1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0
        ][0:128]
        self.destination_address = destination_address = 100
        self.cs_threshold = cs_threshold = 0.001
        self.Single_rxp_time_s = Single_rxp_time_s = 60
        self.SIFS = SIFS = 10

        ##################################################
        # Blocks
        ##################################################
        self.dmdl_start_0 = dmdl.start(5, 10)
        self.dmdl_dummy_source_0 = dmdl.dummy_source(0, 23, 100, 1, 1)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.dmdl_start_0, 'Begin'),
                         (self.dmdl_dummy_source_0, 'Begin'))
Esempio n. 4
0
    def __init__(self):
        gr.top_block.__init__(self, "Handshake Transmitter")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Handshake Transmitter")
        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", "handshake_transmitter")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())

        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.range_rx_gain = range_rx_gain = 15
        self.range_mu = range_mu = 0.6
        self.usrp_device_address = usrp_device_address = "addr=192.168.10.4"
        self.tx_center_frequency = tx_center_frequency = 400000000
        self.timeout_duration_ms = timeout_duration_ms = 1000
        self.system_time_granularity_us = system_time_granularity_us = 1000
        self.source_address = source_address = 1
        self.samp_rate = samp_rate = 1000000
        self.rx_gain = rx_gain = range_rx_gain
        self.rx_center_frequency = rx_center_frequency = 400000000

        self.rrc = rrc = firdes.root_raised_cosine(1.0, sps, 1, 0.5, 11 * sps)

        self.result_record_directory = result_record_directory = "/home/pwa/Source/gr-dmdl/results"
        self.reserved_field_II = reserved_field_II = 6
        self.reserved_field_I = reserved_field_I = 5
        self.preamble_detector_threshold = preamble_detector_threshold = 30
        self.mu = mu = range_mu
        self.min_backoff_ms = min_backoff_ms = 50
        self.max_num_retransmission = max_num_retransmission = 5
        self.max_buffer_size = max_buffer_size = 10
        self.len_source_address = len_source_address = 1
        self.len_reserved_field_II = len_reserved_field_II = 2
        self.len_reserved_field_I = len_reserved_field_I = 2
        self.len_payload_length = len_payload_length = 1
        self.len_num_transmission = len_num_transmission = 1
        self.len_frame_type = len_frame_type = 1
        self.len_frame_index = len_frame_index = 1
        self.len_destination_address = len_destination_address = 1
        self.increase_index = increase_index = 1
        self.frame_type = frame_type = 1
        self.frame_index = frame_index = 0
        self.experiment_duration_s = experiment_duration_s = 1000
        self.diff_preamble_128 = diff_preamble_128 = [
            1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0,
            1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1,
            1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0,
            1, 1, 0, 0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0,
            1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1,
            1, 1, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0,
            1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1,
            0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0,
            0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0,
            0, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1,
            0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1,
            1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0
        ][0:128]
        self.develop_mode_list = develop_mode_list = [0]
        self.destination_address = destination_address = 2
        self.cs_threshold = cs_threshold = 0.005
        self.cs_duration = cs_duration = 50
        self.counter_id = counter_id = 20
        self.backoff_time_unit_ms = backoff_time_unit_ms = 50
        self.apply_address_check = apply_address_check = 1

        ##################################################
        # Blocks
        ##################################################
        self._range_rx_gain_range = Range(0, 60, 1, 15, 200)
        self._range_rx_gain_win = RangeWidget(self._range_rx_gain_range,
                                              self.set_range_rx_gain,
                                              'Rx Gain', "counter_slider",
                                              float)
        self.top_grid_layout.addWidget(self._range_rx_gain_win, 1, 0, 1, 1)
        for r in range(1, 2):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 1):
            self.top_grid_layout.setColumnStretch(c, 1)
        self._range_mu_range = Range(0, 1, 0.01, 0.6, 200)
        self._range_mu_win = RangeWidget(self._range_mu_range,
                                         self.set_range_mu,
                                         'BB Derotation Gain',
                                         "counter_slider", float)
        self.top_grid_layout.addWidget(self._range_mu_win, 2, 0, 1, 1)
        for r in range(2, 3):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 1):
            self.top_grid_layout.setColumnStretch(c, 1)
        self.dmdl_type_check_0 = dmdl.type_check(0, 25, 1, 0, 1, 1, 1, 1, 1, 1,
                                                 1, 1)
        self.dmdl_timeout_0 = dmdl.timeout(0, 10, 100, 10, 0)
        self.dmdl_start_0 = dmdl.start(5, 10)
        self.dmdl_sending_0 = dmdl.sending(
            0, 11,
            gnuradio.digital.constellation_qpsk().base(), diff_preamble_128,
            samp_rate, sps, system_time_granularity_us, usrp_device_address,
            tx_center_frequency, 0.005, 0.05, "t1TXs", "Tfr", 0, 1, 0)
        self.dmdl_receiving_0 = dmdl.receiving(
            1, 21,
            gnuradio.digital.constellation_qpsk().base(), rrc, mu,
            diff_preamble_128, rx_gain, samp_rate, sps, 30,
            usrp_device_address, rx_center_frequency)
        self.dmdl_probe_0_2_0 = dmdl.probe(0, 100, 0, 0, 0.01, 1,
                                           result_record_directory, "t1TXe", 1)
        self.dmdl_probe_0_2 = dmdl.probe(0, 100, 0, 0, 0.01, 1,
                                         result_record_directory, "t1TXr", 1)
        self.dmdl_probe_0_1 = dmdl.probe(0, 100, 0, 0, 0.01, 1,
                                         result_record_directory, "t1RXe", 1)
        self.dmdl_probe_0_0 = dmdl.probe(0, 100, 0, 0, 0.01, 1,
                                         result_record_directory, "t1CS", 1)
        self.dmdl_probe_0 = dmdl.probe(0, 100, 0, 0, 0.01, 1,
                                       result_record_directory, "t1DQ", 1)
        self.dmdl_path_0 = dmdl.path(0, 44, 1, "")
        self.dmdl_framing_0 = dmdl.framing(0, 17, 1, 1, 0, 1,
                                           destination_address, 1,
                                           source_address, 1, 318, 2, 524, 2,
                                           2, 1, 1, 0, ([2, 3]),
                                           ([1000, 1000]), 2, 0, 300, 1)
        self.dmdl_frame_analysis_0 = dmdl.frame_analysis(
            0, 7, 1, 1, 1, 1, 1, 2, 2, 2, 1, source_address)
        self.dmdl_error_detection_0 = dmdl.error_detection(0, 9)
        self.dmdl_dummy_source_0 = dmdl.dummy_source(0, 23, 100, 2, 1)
        self.dmdl_cmd_buffer_0 = dmdl.cmd_buffer(0, 16, 10, 1, 1, 1)
        self.dmdl_address_check_0 = dmdl.address_check(0, 17, source_address,
                                                       0)

        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.dmdl_address_check_0, 'P'),
                         (self.dmdl_type_check_0, 'B'))
        self.msg_connect((self.dmdl_cmd_buffer_0, 'U'),
                         (self.dmdl_probe_0, 'B'))
        self.msg_connect((self.dmdl_cmd_buffer_0, 'U'),
                         (self.dmdl_receiving_0, 'RXI'))
        self.msg_connect((self.dmdl_dummy_source_0, 'E'),
                         (self.dmdl_framing_0, 'B'))
        self.msg_connect((self.dmdl_error_detection_0, 'P'),
                         (self.dmdl_address_check_0, 'B'))
        self.msg_connect((self.dmdl_frame_analysis_0, 'P'),
                         (self.dmdl_error_detection_0, 'B'))
        self.msg_connect((self.dmdl_framing_0, 'E'),
                         (self.dmdl_cmd_buffer_0, 'Q'))
        self.msg_connect((self.dmdl_path_0, 'E'),
                         (self.dmdl_receiving_0, 'RXI'))
        self.msg_connect((self.dmdl_receiving_0, 'E'),
                         (self.dmdl_frame_analysis_0, 'B'))
        self.msg_connect((self.dmdl_receiving_0, 'RXO'),
                         (self.dmdl_probe_0_2, 'B'))
        self.msg_connect((self.dmdl_receiving_0, 'RXO'),
                         (self.dmdl_sending_0, 'B'))
        self.msg_connect((self.dmdl_sending_0, 'RXO'), (self.dmdl_path_0, 'B'))
        self.msg_connect((self.dmdl_sending_0, 'E'),
                         (self.dmdl_probe_0_2_0, 'B'))
        self.msg_connect((self.dmdl_sending_0, 'E'),
                         (self.dmdl_timeout_0, 'B'))
        self.msg_connect((self.dmdl_start_0, 'B'),
                         (self.dmdl_dummy_source_0, 'B'))
        self.msg_connect((self.dmdl_timeout_0, 'E'),
                         (self.dmdl_cmd_buffer_0, 'D'))
        self.msg_connect((self.dmdl_type_check_0, 'ACK'),
                         (self.dmdl_probe_0_1, 'B'))
        self.msg_connect((self.dmdl_type_check_0, 'ACK'),
                         (self.dmdl_timeout_0, 'I'))
Esempio n. 5
0
    def __init__(self):
        gr.top_block.__init__(self, "Simple Transmitter")
        Qt.QWidget.__init__(self)
        self.setWindowTitle("Simple Transmitter")
        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", "simple_transmitter")
        self.restoreGeometry(self.settings.value("geometry").toByteArray())


        ##################################################
        # Variables
        ##################################################
        self.sps = sps = 4
        self.range_tx_gain = range_tx_gain = 15
        self.range_rx_gain = range_rx_gain = 0
        self.range_mu = range_mu = 0.6
        self.usrp_device_address = usrp_device_address = "addr=192.168.10.4"
        self.tx_gain = tx_gain = range_tx_gain
        self.tx_center_frequency = tx_center_frequency = 400000000
        self.source_address = source_address = 2
        self.samp_rate = samp_rate = 1000000
        self.rx_gain = rx_gain = range_rx_gain
        self.rx_center_frequency = rx_center_frequency = 400000000

        self.rrc = rrc = firdes.root_raised_cosine(1.0, sps, 1, 0.5, 11*sps)

        self.preamble_detector_threshold = preamble_detector_threshold = 30
        self.mu = mu = range_mu
        self.initial_frame_index = initial_frame_index = 1
        self.diff_preamble_128 = diff_preamble_128 = [1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1, 1, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 0, 1, 1, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 0,0, 1, 1, 0, 1, 0, 0, 0, 1, 0, 1, 1, 1, 0, 0, 0, 1, 0, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 0, 1, 0,0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 1, 1, 1, 1, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 1,1, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 1, 0, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0][0:128]
        self.destination_address = destination_address = 1
        self.cs_threshold = cs_threshold = 0.005

        ##################################################
        # Blocks
        ##################################################
        self.tabs = Qt.QTabWidget()
        self.tabs_widget_0 = Qt.QWidget()
        self.tabs_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_0)
        self.tabs_grid_layout_0 = Qt.QGridLayout()
        self.tabs_layout_0.addLayout(self.tabs_grid_layout_0)
        self.tabs.addTab(self.tabs_widget_0, 'General')
        self.tabs_widget_1 = Qt.QWidget()
        self.tabs_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_1)
        self.tabs_grid_layout_1 = Qt.QGridLayout()
        self.tabs_layout_1.addLayout(self.tabs_grid_layout_1)
        self.tabs.addTab(self.tabs_widget_1, 'MAC')
        self.tabs_widget_2 = Qt.QWidget()
        self.tabs_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_2)
        self.tabs_grid_layout_2 = Qt.QGridLayout()
        self.tabs_layout_2.addLayout(self.tabs_grid_layout_2)
        self.tabs.addTab(self.tabs_widget_2, 'PHY and Radio')
        self.tabs_widget_3 = Qt.QWidget()
        self.tabs_layout_3 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_3)
        self.tabs_grid_layout_3 = Qt.QGridLayout()
        self.tabs_layout_3.addLayout(self.tabs_grid_layout_3)
        self.tabs.addTab(self.tabs_widget_3, 'System')
        self.top_grid_layout.addWidget(self.tabs, 0, 0, 1, 1)
        for r in range(0, 1):
            self.top_grid_layout.setRowStretch(r, 1)
        for c in range(0, 1):
            self.top_grid_layout.setColumnStretch(c, 1)
        self._usrp_device_address_tool_bar = Qt.QToolBar(self)
        self._usrp_device_address_tool_bar.addWidget(Qt.QLabel('USRP address'+": "))
        self._usrp_device_address_line_edit = Qt.QLineEdit(str(self.usrp_device_address))
        self._usrp_device_address_tool_bar.addWidget(self._usrp_device_address_line_edit)
        self._usrp_device_address_line_edit.returnPressed.connect(
        	lambda: self.set_usrp_device_address(str(str(self._usrp_device_address_line_edit.text().toAscii()))))
        self.tabs_grid_layout_0.addWidget(self._usrp_device_address_tool_bar)
        self._tx_center_frequency_tool_bar = Qt.QToolBar(self)
        self._tx_center_frequency_tool_bar.addWidget(Qt.QLabel('TX center frequency [Hz]'+": "))
        self._tx_center_frequency_line_edit = Qt.QLineEdit(str(self.tx_center_frequency))
        self._tx_center_frequency_tool_bar.addWidget(self._tx_center_frequency_line_edit)
        self._tx_center_frequency_line_edit.returnPressed.connect(
        	lambda: self.set_tx_center_frequency(int(str(self._tx_center_frequency_line_edit.text().toAscii()))))
        self.tabs_grid_layout_2.addWidget(self._tx_center_frequency_tool_bar)
        self._sps_tool_bar = Qt.QToolBar(self)
        self._sps_tool_bar.addWidget(Qt.QLabel('Sample per Symbol'+": "))
        self._sps_line_edit = Qt.QLineEdit(str(self.sps))
        self._sps_tool_bar.addWidget(self._sps_line_edit)
        self._sps_line_edit.returnPressed.connect(
        	lambda: self.set_sps(int(str(self._sps_line_edit.text().toAscii()))))
        self.tabs_grid_layout_2.addWidget(self._sps_tool_bar)
        self._source_address_tool_bar = Qt.QToolBar(self)
        self._source_address_tool_bar.addWidget(Qt.QLabel('Node address'+": "))
        self._source_address_line_edit = Qt.QLineEdit(str(self.source_address))
        self._source_address_tool_bar.addWidget(self._source_address_line_edit)
        self._source_address_line_edit.returnPressed.connect(
        	lambda: self.set_source_address(int(str(self._source_address_line_edit.text().toAscii()))))
        self.tabs_grid_layout_0.addWidget(self._source_address_tool_bar)
        self._samp_rate_tool_bar = Qt.QToolBar(self)
        self._samp_rate_tool_bar.addWidget(Qt.QLabel('Sampling rate'+": "))
        self._samp_rate_line_edit = Qt.QLineEdit(str(self.samp_rate))
        self._samp_rate_tool_bar.addWidget(self._samp_rate_line_edit)
        self._samp_rate_line_edit.returnPressed.connect(
        	lambda: self.set_samp_rate(int(str(self._samp_rate_line_edit.text().toAscii()))))
        self.tabs_grid_layout_2.addWidget(self._samp_rate_tool_bar)
        self._diff_preamble_128_tool_bar = Qt.QToolBar(self)
        self._diff_preamble_128_tool_bar.addWidget(Qt.QLabel('Preamble 128'+": "))
        self._diff_preamble_128_line_edit = Qt.QLineEdit(str(self.diff_preamble_128))
        self._diff_preamble_128_tool_bar.addWidget(self._diff_preamble_128_line_edit)
        self._diff_preamble_128_line_edit.returnPressed.connect(
        	lambda: self.set_diff_preamble_128(eval(str(self._diff_preamble_128_line_edit.text().toAscii()))))
        self.tabs_grid_layout_2.addWidget(self._diff_preamble_128_tool_bar)
        self._destination_address_tool_bar = Qt.QToolBar(self)
        self._destination_address_tool_bar.addWidget(Qt.QLabel('Destination address'+": "))
        self._destination_address_line_edit = Qt.QLineEdit(str(self.destination_address))
        self._destination_address_tool_bar.addWidget(self._destination_address_line_edit)
        self._destination_address_line_edit.returnPressed.connect(
        	lambda: self.set_destination_address(int(str(self._destination_address_line_edit.text().toAscii()))))
        self.tabs_grid_layout_0.addWidget(self._destination_address_tool_bar)
        self._rx_center_frequency_tool_bar = Qt.QToolBar(self)
        self._rx_center_frequency_tool_bar.addWidget(Qt.QLabel('RX center frequency [Hz]'+": "))
        self._rx_center_frequency_line_edit = Qt.QLineEdit(str(self.rx_center_frequency))
        self._rx_center_frequency_tool_bar.addWidget(self._rx_center_frequency_line_edit)
        self._rx_center_frequency_line_edit.returnPressed.connect(
        	lambda: self.set_rx_center_frequency(int(str(self._rx_center_frequency_line_edit.text().toAscii()))))
        self.tabs_grid_layout_2.addWidget(self._rx_center_frequency_tool_bar)
        self._range_tx_gain_range = Range(0, 25, 1, 15, 200)
        self._range_tx_gain_win = RangeWidget(self._range_tx_gain_range, self.set_range_tx_gain, 'Tx Gain', "counter_slider", float)
        self.tabs_grid_layout_2.addWidget(self._range_tx_gain_win)
        self._range_rx_gain_range = Range(0, 25, 1, 0, 200)
        self._range_rx_gain_win = RangeWidget(self._range_rx_gain_range, self.set_range_rx_gain, 'Rx Gain', "counter_slider", float)
        self.tabs_grid_layout_2.addWidget(self._range_rx_gain_win)
        self._range_mu_range = Range(0, 1, 0.01, 0.6, 200)
        self._range_mu_win = RangeWidget(self._range_mu_range, self.set_range_mu, 'BB Derotation Gain', "counter_slider", float)
        self.tabs_grid_layout_2.addWidget(self._range_mu_win)
        self._preamble_detector_threshold_tool_bar = Qt.QToolBar(self)
        self._preamble_detector_threshold_tool_bar.addWidget(Qt.QLabel('Preamble Detector Threshold'+": "))
        self._preamble_detector_threshold_line_edit = Qt.QLineEdit(str(self.preamble_detector_threshold))
        self._preamble_detector_threshold_tool_bar.addWidget(self._preamble_detector_threshold_line_edit)
        self._preamble_detector_threshold_line_edit.returnPressed.connect(
        	lambda: self.set_preamble_detector_threshold(int(str(self._preamble_detector_threshold_line_edit.text().toAscii()))))
        self.tabs_grid_layout_2.addWidget(self._preamble_detector_threshold_tool_bar)
        self._initial_frame_index_tool_bar = Qt.QToolBar(self)
        self._initial_frame_index_tool_bar.addWidget(Qt.QLabel('Initial frame index'+": "))
        self._initial_frame_index_line_edit = Qt.QLineEdit(str(self.initial_frame_index))
        self._initial_frame_index_tool_bar.addWidget(self._initial_frame_index_line_edit)
        self._initial_frame_index_line_edit.returnPressed.connect(
        	lambda: self.set_initial_frame_index(int(str(self._initial_frame_index_line_edit.text().toAscii()))))
        self.tabs_grid_layout_1.addWidget(self._initial_frame_index_tool_bar)
        self.dmdl_start_0 = dmdl.start(5, 10)
        self.dmdl_sending_0 = dmdl.sending(0, 11, gnuradio.digital.constellation_qpsk().base(), diff_preamble_128, samp_rate, sps, 10, usrp_device_address, tx_center_frequency, 0.005, 0.05, "t1TXs", "Tfr", 0, 1, 0)
        self.dmdl_probe_0 = dmdl.probe(0, 100, 0, 0, 0.01, 0, "/home/inets/source/gr-inets/results/", "", 1)
        self.dmdl_framing_0 = dmdl.framing(0, 17, 1, 1, 0, 1, destination_address, 1, source_address, 1, 318, 2, 524, 2, 2, 1, 1, 0, ([2, 3]), ([1000, 1000]), 2, 0, 300, 1)
        self.dmdl_dummy_source_0 = dmdl.dummy_source(0, 23, 100, 2, 1)
        self._cs_threshold_tool_bar = Qt.QToolBar(self)
        self._cs_threshold_tool_bar.addWidget(Qt.QLabel('Carrier Sensing Threshold'+": "))
        self._cs_threshold_line_edit = Qt.QLineEdit(str(self.cs_threshold))
        self._cs_threshold_tool_bar.addWidget(self._cs_threshold_line_edit)
        self._cs_threshold_line_edit.returnPressed.connect(
        	lambda: self.set_cs_threshold(eng_notation.str_to_num(str(self._cs_threshold_line_edit.text().toAscii()))))
        self.tabs_grid_layout_2.addWidget(self._cs_threshold_tool_bar)



        ##################################################
        # Connections
        ##################################################
        self.msg_connect((self.dmdl_dummy_source_0, 'E'), (self.dmdl_framing_0, 'B'))
        self.msg_connect((self.dmdl_framing_0, 'E'), (self.dmdl_sending_0, 'B'))
        self.msg_connect((self.dmdl_sending_0, 'E'), (self.dmdl_probe_0, 'B'))
        self.msg_connect((self.dmdl_start_0, 'B'), (self.dmdl_dummy_source_0, 'B'))