def __init__(self, atten=0, fd=50, fadeMode=0):
gr.top_block.__init__(self,
"Static RF or Single Path Rayleigh Faded RF")
##################################################
# Parameters
##################################################
self.atten = atten
self.fd = fd
self.fadeMode = fadeMode
##################################################
# Variables
##################################################
self.usrpRate = usrpRate = 250e3
self.fdTs = fdTs = fd * (1.0 / usrpRate)
self.centreFreq = centreFreq = 1e6
self.baseband_multiplier = baseband_multiplier = 0.25
##################################################
# Blocks
##################################################
self.xmlrpc_server_0 = SimpleXMLRPCServer.SimpleXMLRPCServer(
("0.0.0.0", 1234), allow_none=True)
self.xmlrpc_server_0.register_instance(self)
threading.Thread(target=self.xmlrpc_server_0.serve_forever).start()
self.uhd_usrp_sink_0_0_0 = uhd.usrp_sink(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0_0_0.set_subdev_spec("A:AB", 0)
self.uhd_usrp_sink_0_0_0.set_samp_rate(usrpRate)
self.uhd_usrp_sink_0_0_0.set_center_freq(centreFreq, 0)
self.uhd_usrp_sink_0_0_0.set_gain(0, 0)
self.rccBlocks_channelModel_cc_0 = rccBlocks.channelModel_cc(
randint(-10000, 0), fdTs, 1.0, False, bool(fadeMode))
self.rccBlocks_VNXLabBrick_0 = rccBlocks.VNXLabBrick(atten)
self.const_source_x_0_0 = gr.sig_source_f(0, gr.GR_CONST_WAVE, 0, 0,
1.0)
self.const_source_x_0 = gr.sig_source_c(0, gr.GR_CONST_WAVE, 0, 0,
1.0 + 1j)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float * 1, usrpRate)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc(
(baseband_multiplier, ))
##################################################
# Connections
##################################################
self.connect((self.const_source_x_0, 0),
(self.rccBlocks_channelModel_cc_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0),
(self.uhd_usrp_sink_0_0_0, 0))
self.connect((self.const_source_x_0_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.rccBlocks_VNXLabBrick_0, 0))
self.connect((self.rccBlocks_channelModel_cc_0, 0),
(self.blocks_multiply_const_vxx_1, 0))
def __init__(self):
gr.top_block.__init__(self, "Static RF or Single Path Rayleigh Faded RF")
Qt.QWidget.__init__(self)
self.setWindowTitle("Static RF or Single Path Rayleigh Faded RF")
self.setWindowIcon(Qt.QIcon.fromTheme('gnuradio-grc'))
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)
##################################################
# Variables
##################################################
self.speed = speed = 50
self.carrierFreq = carrierFreq = 155e6
self.usrpRate = usrpRate = 250e3
self.rfLeveldBm = rfLeveldBm = -80
self.fd = fd = ((1.0*speed/3.6)*carrierFreq)/3e8
self.hhh = hhh = fd
self.fdTs = fdTs = fd*(1.0/usrpRate)
self.fadeMode = fadeMode = False
self.centreFreq = centreFreq = 1e6
self.baseband_multiplier = baseband_multiplier = 0.25
self.atten = atten = abs(rfLeveldBm+65)
##################################################
# Blocks
##################################################
_fadeMode_check_box = Qt.QCheckBox("Fading Enabled")
self._fadeMode_choices = {True: True, False: False}
self._fadeMode_choices_inv = dict((v,k) for k,v in self._fadeMode_choices.iteritems())
self._fadeMode_callback = lambda i: _fadeMode_check_box.setChecked(self._fadeMode_choices_inv[i])
self._fadeMode_callback(self.fadeMode)
_fadeMode_check_box.stateChanged.connect(lambda i: self.set_fadeMode(self._fadeMode_choices[bool(i)]))
self.top_layout.addWidget(_fadeMode_check_box)
self.xmlrpc_server_0 = SimpleXMLRPCServer.SimpleXMLRPCServer(("0.0.0.0", 1234), allow_none=True)
self.xmlrpc_server_0.register_instance(self)
threading.Thread(target=self.xmlrpc_server_0.serve_forever).start()
self.uhd_usrp_sink_0_0_0 = uhd.usrp_sink(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0_0_0.set_subdev_spec("A:AB", 0)
self.uhd_usrp_sink_0_0_0.set_samp_rate(usrpRate)
self.uhd_usrp_sink_0_0_0.set_center_freq(centreFreq, 0)
self.uhd_usrp_sink_0_0_0.set_gain(0, 0)
self._speed_tool_bar = Qt.QToolBar(self)
self._speed_tool_bar.addWidget(Qt.QLabel("Vehicle Speed, Kph"+": "))
self._speed_line_edit = Qt.QLineEdit(str(self.speed))
self._speed_tool_bar.addWidget(self._speed_line_edit)
self._speed_line_edit.returnPressed.connect(
lambda: self.set_speed(eng_notation.str_to_num(self._speed_line_edit.text().toAscii())))
self.top_layout.addWidget(self._speed_tool_bar)
self._rfLeveldBm_layout = Qt.QHBoxLayout()
self._rfLeveldBm_layout.addWidget(Qt.QLabel("Unfaded RF Level, dBm"+": "))
self._rfLeveldBm_counter = Qwt.QwtCounter()
self._rfLeveldBm_counter.setRange(-125, -80, 0.5)
self._rfLeveldBm_counter.setNumButtons(2)
self._rfLeveldBm_counter.setMinimumWidth(200)
self._rfLeveldBm_counter.setValue(self.rfLeveldBm)
self._rfLeveldBm_layout.addWidget(self._rfLeveldBm_counter)
self._rfLeveldBm_counter.valueChanged.connect(self.set_rfLeveldBm)
self.top_layout.addLayout(self._rfLeveldBm_layout)
self.rccBlocks_channelModel_cc_0 = rccBlocks.channelModel_cc(randint(-10000,0), fdTs, 1.0, False, fadeMode)
self.rccBlocks_VNXLabBrick_0 = rccBlocks.VNXLabBrick(atten)
self._hhh_tool_bar = Qt.QToolBar(self)
self._hhh_tool_bar.addWidget(Qt.QLabel("Doppler Frequency, Hz"+": "))
self._hhh_label = Qt.QLabel(str(self.hhh))
self._hhh_tool_bar.addWidget(self._hhh_label)
self.top_layout.addWidget(self._hhh_tool_bar)
self.const_source_x_0_0 = gr.sig_source_f(0, gr.GR_CONST_WAVE, 0, 0, 1.0)
self.const_source_x_0 = gr.sig_source_c(0, gr.GR_CONST_WAVE, 0, 0, 1.0+1j)
self._carrierFreq_tool_bar = Qt.QToolBar(self)
self._carrierFreq_tool_bar.addWidget(Qt.QLabel("RF Frequency, Hz"+": "))
self._carrierFreq_line_edit = Qt.QLineEdit(str(self.carrierFreq))
self._carrierFreq_tool_bar.addWidget(self._carrierFreq_line_edit)
self._carrierFreq_line_edit.returnPressed.connect(
lambda: self.set_carrierFreq(eng_notation.str_to_num(self._carrierFreq_line_edit.text().toAscii())))
self.top_layout.addWidget(self._carrierFreq_tool_bar)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, usrpRate)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((baseband_multiplier, ))
##################################################
# Connections
##################################################
self.connect((self.const_source_x_0, 0), (self.rccBlocks_channelModel_cc_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.uhd_usrp_sink_0_0_0, 0))
self.connect((self.const_source_x_0_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.rccBlocks_VNXLabBrick_0, 0))
self.connect((self.rccBlocks_channelModel_cc_0, 0), (self.blocks_multiply_const_vxx_1, 0))