def __init__(self, options, hostname):
gr.top_block.__init__(self)
##################################################
# Variables
##################################################
window_size = options.window_size
sync_length = options.sync_length
gain = options.gain
freq = options.freq
samp_rate = options.bandwidth
self.uhd_usrp_source_0 = uhd.usrp_source(device_addr="", stream_args=uhd.stream_args(cpu_format="fc32", channels=range(1)))
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(freq, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.ieee802_1_ofdm_sync_short_0 = gr_ieee802_11.ofdm_sync_short(0.8, 80 * 80, 2, False)
self.ieee802_1_ofdm_sync_long_0 = gr_ieee802_11.ofdm_sync_long(sync_length, 100, False)
self.ieee802_1_ofdm_equalize_symbols_0 = gr_ieee802_11.ofdm_equalize_symbols(False)
self.ieee802_1_ofdm_decode_signal_0 = gr_ieee802_11.ofdm_decode_signal(False)
self.ieee802_1_ofdm_decode_mac_0 = gr_ieee802_11.ofdm_decode_mac(False)
self.ieee802_11_ofdm_parse_mac_0 = gr_ieee802_11.ofdm_parse_mac(True)
self.gr_stream_to_vector_0 = gr.stream_to_vector(gr.sizeof_gr_complex*1, 64)
self.gr_socket_pdu_0 = gr.socket_pdu("TCP_SERVER", hostname, str(options.PHYRXport), 10000)
self.gr_skiphead_0 = gr.skiphead(gr.sizeof_gr_complex*1, 20000000)
self.gr_multiply_xx_0 = gr.multiply_vcc(1)
self.gr_divide_xx_0 = gr.divide_ff(1)
self.gr_delay_0_0 = gr.delay(gr.sizeof_gr_complex*1, sync_length)
self.gr_delay_0 = gr.delay(gr.sizeof_gr_complex*1, 16)
self.gr_conjugate_cc_0 = gr.conjugate_cc()
self.gr_complex_to_mag_squared_0 = gr.complex_to_mag_squared(1)
self.gr_complex_to_mag_0 = gr.complex_to_mag(1)
self.fir_filter_xxx_0_0 = filter.fir_filter_ccf(1, ([1]*window_size))
self.fir_filter_xxx_0 = filter.fir_filter_fff(1, ([1]*window_size))
self.fft_vxx_0 = fft.fft_vcc(64, True, (), True, 1)
self.message_debug = gr.message_debug()
##################################################
# Connections
##################################################
self.connect((self.uhd_usrp_source_0, 0), (self.gr_skiphead_0, 0))
self.connect((self.gr_skiphead_0, 0), (self.gr_complex_to_mag_squared_0, 0))
self.connect((self.fir_filter_xxx_0, 0), (self.gr_divide_xx_0, 1))
self.connect((self.gr_complex_to_mag_squared_0, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.gr_skiphead_0, 0), (self.gr_multiply_xx_0, 0))
self.connect((self.gr_conjugate_cc_0, 0), (self.gr_multiply_xx_0, 1))
self.connect((self.gr_complex_to_mag_0, 0), (self.gr_divide_xx_0, 0))
self.connect((self.gr_multiply_xx_0, 0), (self.fir_filter_xxx_0_0, 0))
self.connect((self.fir_filter_xxx_0_0, 0), (self.gr_complex_to_mag_0, 0))
self.connect((self.gr_skiphead_0, 0), (self.gr_delay_0, 0))
self.connect((self.gr_delay_0, 0), (self.gr_conjugate_cc_0, 0))
self.connect((self.fft_vxx_0, 0), (self.ieee802_1_ofdm_equalize_symbols_0, 0))
self.connect((self.ieee802_1_ofdm_equalize_symbols_0, 0), (self.ieee802_1_ofdm_decode_signal_0, 0))
self.connect((self.ieee802_1_ofdm_decode_signal_0, 0), (self.ieee802_1_ofdm_decode_mac_0, 0))
self.connect((self.ieee802_1_ofdm_sync_short_0, 0), (self.gr_delay_0_0, 0))
self.connect((self.gr_delay_0, 0), (self.ieee802_1_ofdm_sync_short_0, 0))
self.connect((self.gr_divide_xx_0, 0), (self.ieee802_1_ofdm_sync_short_0, 1))
self.connect((self.gr_delay_0_0, 0), (self.ieee802_1_ofdm_sync_long_0, 1))
self.connect((self.ieee802_1_ofdm_sync_short_0, 0), (self.ieee802_1_ofdm_sync_long_0, 0))
self.connect((self.ieee802_1_ofdm_sync_long_0, 0), (self.gr_stream_to_vector_0, 0))
self.connect((self.gr_stream_to_vector_0, 0), (self.fft_vxx_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.ieee802_1_ofdm_decode_mac_0, "out", self.ieee802_11_ofdm_parse_mac_0, "in")
self.msg_connect(self.ieee802_11_ofdm_parse_mac_0, "out", self.gr_socket_pdu_0, "pdus")
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Ofdm Rx")
##################################################
# Variables
##################################################
self.window_size = window_size = 48
self.sync_length = sync_length = 320 - 64
self.samp_rate = samp_rate = 10e6
self.gain = gain = 0
self.freq = freq = 5.825e9
##################################################
# Blocks
##################################################
self._samp_rate_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.samp_rate,
callback=self.set_samp_rate,
label="Sample Rate",
choices=[10e6, 20e6],
labels=["10 Mhz", "20 Mhz"],
style=wx.RA_HORIZONTAL,
)
self.Add(self._samp_rate_chooser)
_gain_sizer = wx.BoxSizer(wx.VERTICAL)
self._gain_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
label='gain',
converter=forms.float_converter(),
proportion=0,
)
self._gain_slider = forms.slider(
parent=self.GetWin(),
sizer=_gain_sizer,
value=self.gain,
callback=self.set_gain,
minimum=0,
maximum=100,
num_steps=100,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.Add(_gain_sizer)
self._freq_chooser = forms.drop_down(
parent=self.GetWin(),
value=self.freq,
callback=self.set_freq,
label="Channel",
choices=[2412000000.0, 2417000000.0, 2422000000.0, 2427000000.0, 2432000000.0, 2437000000.0, 2442000000.0, 2447000000.0, 2452000000.0, 2457000000.0, 2462000000.0, 2467000000.0, 2472000000.0, 2484000000.0, 5170000000.0, 5180000000.0, 5190000000.0, 5200000000.0, 5210000000.0, 5220000000.0, 5230000000.0, 5240000000.0, 5260000000.0, 5280000000.0, 5300000000.0, 5320000000.0, 5500000000.0, 5520000000.0, 5540000000.0, 5560000000.0, 5580000000.0, 5600000000.0, 5620000000.0, 5640000000.0, 5660000000.0, 5680000000.0, 5700000000.0, 5745000000.0, 5765000000.0, 5785000000.0, 5805000000.0, 5825000000.0, 5860000000.0, 5870000000.0, 5880000000.0, 5890000000.0, 5900000000.0, 5910000000.0, 5920000000.0],
labels=[' 1 | 2412.0 | 11g', ' 2 | 2417.0 | 11g', ' 3 | 2422.0 | 11g', ' 4 | 2427.0 | 11g', ' 5 | 2432.0 | 11g', ' 6 | 2437.0 | 11g', ' 7 | 2442.0 | 11g', ' 8 | 2447.0 | 11g', ' 9 | 2452.0 | 11g', ' 10 | 2457.0 | 11g', ' 11 | 2462.0 | 11g', ' 12 | 2467.0 | 11g', ' 13 | 2472.0 | 11g', ' 14 | 2484.0 | 11g', ' 34 | 5170.0 | 11a', ' 36 | 5180.0 | 11a', ' 38 | 5190.0 | 11a', ' 40 | 5200.0 | 11a', ' 42 | 5210.0 | 11a', ' 44 | 5220.0 | 11a', ' 46 | 5230.0 | 11a', ' 48 | 5240.0 | 11a', ' 52 | 5260.0 | 11a', ' 56 | 5280.0 | 11a', ' 58 | 5300.0 | 11a', ' 60 | 5320.0 | 11a', '100 | 5500.0 | 11a', '104 | 5520.0 | 11a', '108 | 5540.0 | 11a', '112 | 5560.0 | 11a', '116 | 5580.0 | 11a', '120 | 5600.0 | 11a', '124 | 5620.0 | 11a', '128 | 5640.0 | 11a', '132 | 5660.0 | 11a', '136 | 5680.0 | 11a', '140 | 5700.0 | 11a', '149 | 5745.0 | 11a', '153 | 5765.0 | 11a', '157 | 5785.0 | 11a', '161 | 5805.0 | 11a', '165 | 5825.0 | 11a', '172 | 5860.0 | 11p', '174 | 5870.0 | 11p', '176 | 5880.0 | 11p', '178 | 5890.0 | 11p', '180 | 5900.0 | 11p', '182 | 5910.0 | 11p', '184 | 5920.0 | 11p'],
)
self.Add(self._freq_chooser)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_center_freq(freq, 0)
self.uhd_usrp_source_0.set_gain(gain, 0)
self.ieee802_1_ofdm_sync_short_0 = gr_ieee802_11.ofdm_sync_short(0.8, 80 * 80, 2, False)
self.ieee802_1_ofdm_sync_long_0 = gr_ieee802_11.ofdm_sync_long(sync_length, 100, False)
self.ieee802_1_ofdm_equalize_symbols_0 = gr_ieee802_11.ofdm_equalize_symbols(False)
self.ieee802_1_ofdm_decode_signal_0 = gr_ieee802_11.ofdm_decode_signal(False)
self.ieee802_1_ofdm_decode_mac_0 = gr_ieee802_11.ofdm_decode_mac(False)
self.ieee802_11_ofdm_parse_mac_0 = gr_ieee802_11.ofdm_parse_mac(True)
self.gr_stream_to_vector_0 = gr.stream_to_vector(gr.sizeof_gr_complex*1, 64)
self.gr_socket_pdu_0 = gr.socket_pdu("UDP_SERVER", "", "12345", 10000)
self.gr_skiphead_0 = gr.skiphead(gr.sizeof_gr_complex*1, 20000000)
self.gr_multiply_xx_0 = gr.multiply_vcc(1)
self.gr_divide_xx_0 = gr.divide_ff(1)
self.gr_delay_0_0 = gr.delay(gr.sizeof_gr_complex*1, sync_length)
self.gr_delay_0 = gr.delay(gr.sizeof_gr_complex*1, 16)
self.gr_conjugate_cc_0 = gr.conjugate_cc()
self.gr_complex_to_mag_squared_0 = gr.complex_to_mag_squared(1)
self.gr_complex_to_mag_0 = gr.complex_to_mag(1)
self.fir_filter_xxx_0_0 = filter.fir_filter_ccf(1, ([1]*window_size))
self.fir_filter_xxx_0 = filter.fir_filter_fff(1, ([1]*window_size))
self.fft_vxx_0 = fft.fft_vcc(64, True, (), True, 1)
##################################################
# Connections
##################################################
self.connect((self.uhd_usrp_source_0, 0), (self.gr_skiphead_0, 0))
self.connect((self.gr_skiphead_0, 0), (self.gr_complex_to_mag_squared_0, 0))
self.connect((self.fir_filter_xxx_0, 0), (self.gr_divide_xx_0, 1))
self.connect((self.gr_complex_to_mag_squared_0, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.gr_skiphead_0, 0), (self.gr_multiply_xx_0, 0))
self.connect((self.gr_conjugate_cc_0, 0), (self.gr_multiply_xx_0, 1))
self.connect((self.gr_complex_to_mag_0, 0), (self.gr_divide_xx_0, 0))
self.connect((self.gr_multiply_xx_0, 0), (self.fir_filter_xxx_0_0, 0))
self.connect((self.fir_filter_xxx_0_0, 0), (self.gr_complex_to_mag_0, 0))
self.connect((self.gr_skiphead_0, 0), (self.gr_delay_0, 0))
self.connect((self.gr_delay_0, 0), (self.gr_conjugate_cc_0, 0))
self.connect((self.fft_vxx_0, 0), (self.ieee802_1_ofdm_equalize_symbols_0, 0))
self.connect((self.ieee802_1_ofdm_equalize_symbols_0, 0), (self.ieee802_1_ofdm_decode_signal_0, 0))
self.connect((self.ieee802_1_ofdm_decode_signal_0, 0), (self.ieee802_1_ofdm_decode_mac_0, 0))
self.connect((self.ieee802_1_ofdm_sync_short_0, 0), (self.gr_delay_0_0, 0))
self.connect((self.gr_delay_0, 0), (self.ieee802_1_ofdm_sync_short_0, 0))
self.connect((self.gr_divide_xx_0, 0), (self.ieee802_1_ofdm_sync_short_0, 1))
self.connect((self.gr_delay_0_0, 0), (self.ieee802_1_ofdm_sync_long_0, 1))
self.connect((self.ieee802_1_ofdm_sync_short_0, 0), (self.ieee802_1_ofdm_sync_long_0, 0))
self.connect((self.ieee802_1_ofdm_sync_long_0, 0), (self.gr_stream_to_vector_0, 0))
self.connect((self.gr_stream_to_vector_0, 0), (self.fft_vxx_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.ieee802_1_ofdm_decode_mac_0, "out", self.ieee802_11_ofdm_parse_mac_0, "in")
self.msg_connect(self.ieee802_11_ofdm_parse_mac_0, "out", self.gr_socket_pdu_0, "pdus")