def __init__(self,
gs_name='VTGS',
ip='0.0.0.0',
meta_rate=.1,
port='52003',
record_iq=0,
record_rfo=0,
record_snr=0,
tx_freq=1265e6,
tx_offset=250e3):
gr.top_block.__init__(self, "VTGS Rocksat-X 2017 Transceiver v2.0")
Qt.QWidget.__init__(self)
self.setWindowTitle("VTGS Rocksat-X 2017 Transceiver v2.0")
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", "vtgs_trx_file")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.gs_name = gs_name
self.ip = ip
self.meta_rate = meta_rate
self.port = port
self.record_iq = record_iq
self.record_rfo = record_rfo
self.record_snr = record_snr
self.tx_freq = tx_freq
self.tx_offset = tx_offset
##################################################
# Variables
##################################################
self.ts_str = ts_str = dt.strftime(dt.utcnow(),
"%Y%m%d_%H%M%S.%f") + '_UTC'
self.samp_rate = samp_rate = 500e3
self.baud = baud = 125e3
self.snr_fn = snr_fn = "{:s}_{:s}.snr".format(gs_name, ts_str)
self.samps_per_symb = samps_per_symb = int(samp_rate / baud)
self.rx_freq = rx_freq = 2395e6
self.rfo_fn = rfo_fn = "{:s}_{:s}.rfo".format(gs_name, ts_str)
self.iq_fn = iq_fn = "{:s}_{:s}_{:s}k.fc32".format(
gs_name, ts_str, str(int(samp_rate) / 1000))
self.alpha = alpha = 0.5
self.uplink_label = uplink_label = ''
self.tx_gain = tx_gain = 25
self.tx_correct = tx_correct = 2000
self.snr_fp = snr_fp = "/captures/rocksat/{:s}".format(snr_fn)
self.rx_offset = rx_offset = 250e3
self.rx_gain = rx_gain = 1
self.rx_freq_lbl = rx_freq_lbl = "{:4.3f}".format(rx_freq / 1e6)
self.rrc_filter_taps = rrc_filter_taps = firdes.root_raised_cosine(
32, 1.0, 1.0 / (samps_per_symb * 32), alpha, samps_per_symb * 32)
self.rfo_fp = rfo_fp = "/captures/rocksat/{:s}".format(rfo_fn)
self.mult = mult = (samp_rate) / 2 / 3.141593
self.lpf_taps = lpf_taps = firdes.low_pass(1.0, samp_rate,
samp_rate / 2, 1000,
firdes.WIN_HAMMING, 6.76)
self.lo = lo = 1833e6
self.khz_offset = khz_offset = 0
self.iq_fp = iq_fp = "/captures/rocksat/{:s}".format(iq_fn)
self.bb_gain = bb_gain = .75
##################################################
# Blocks
##################################################
self._khz_offset_range = Range(-150, 150, 1, 0, 200)
self._khz_offset_win = RangeWidget(self._khz_offset_range,
self.set_khz_offset, 'Offset [kHz]',
"counter_slider", float)
self.top_grid_layout.addWidget(self._khz_offset_win, 4, 8, 1, 4)
self._bb_gain_range = Range(0, 1, .01, .75, 200)
self._bb_gain_win = RangeWidget(self._bb_gain_range, self.set_bb_gain,
'bb_gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._bb_gain_win, 11, 8, 1, 4)
self.vtgs_mult_descrambler_0 = vtgs.mult_descrambler(17, 0x3FFFF)
self.vtgs_ao40_decoder_0_0 = vtgs.ao40_decoder()
self._uplink_label_tool_bar = Qt.QToolBar(self)
if None:
self._uplink_label_formatter = None
else:
self._uplink_label_formatter = lambda x: str(x)
self._uplink_label_tool_bar.addWidget(Qt.QLabel('TX MSG' + ": "))
self._uplink_label_label = Qt.QLabel(
str(self._uplink_label_formatter(self.uplink_label)))
self._uplink_label_tool_bar.addWidget(self._uplink_label_label)
self.top_grid_layout.addWidget(self._uplink_label_tool_bar, 9, 8, 1, 1)
self._tx_gain_range = Range(0, 86, 1, 25, 200)
self._tx_gain_win = RangeWidget(self._tx_gain_range, self.set_tx_gain,
'TX Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._tx_gain_win, 10, 8, 1, 4)
self._tx_correct_range = Range(-10000, 10000, 1, 2000, 200)
self._tx_correct_win = RangeWidget(self._tx_correct_range,
self.set_tx_correct, "tx_correct",
"counter_slider", float)
self.top_grid_layout.addWidget(self._tx_correct_win, 12, 8, 1, 4)
self._rx_gain_range = Range(0, 86, 1, 1, 200)
self._rx_gain_win = RangeWidget(self._rx_gain_range, self.set_rx_gain,
'RX Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._rx_gain_win, 3, 8, 1, 4)
self._rx_freq_lbl_tool_bar = Qt.QToolBar(self)
if None:
self._rx_freq_lbl_formatter = None
else:
self._rx_freq_lbl_formatter = lambda x: str(x)
self._rx_freq_lbl_tool_bar.addWidget(Qt.QLabel('RX Freq [MHz]' + ": "))
self._rx_freq_lbl_label = Qt.QLabel(
str(self._rx_freq_lbl_formatter(self.rx_freq_lbl)))
self._rx_freq_lbl_tool_bar.addWidget(self._rx_freq_lbl_label)
self.top_grid_layout.addWidget(self._rx_freq_lbl_tool_bar, 0, 10, 1, 2)
self.rational_resampler_xxx_2 = filter.rational_resampler_ccc(
interpolation=1,
decimation=10,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_1 = filter.rational_resampler_ccc(
interpolation=1,
decimation=8,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=8,
taps=None,
fractional_bw=None,
)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
4096, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'', #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0.enable_grid(True)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not False:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['pre-d', 'post', '', '', '', '', '', '', '', '']
colors = [0, 1, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-130, -20)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 5,
0, 4, 8)
self.qtgui_number_sink_2 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_2.set_update_time(0.10)
self.qtgui_number_sink_2.set_title("")
labels = ['EVM', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("blue", "red"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_2.set_min(i, -1)
self.qtgui_number_sink_2.set_max(i, 1)
self.qtgui_number_sink_2.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_2.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_2.set_label(i, labels[i])
self.qtgui_number_sink_2.set_unit(i, units[i])
self.qtgui_number_sink_2.set_factor(i, factor[i])
self.qtgui_number_sink_2.enable_autoscale(False)
self._qtgui_number_sink_2_win = sip.wrapinstance(
self.qtgui_number_sink_2.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_2_win, 2, 8, 1,
4)
self.qtgui_number_sink_0_0_0_0 = qtgui.number_sink(
gr.sizeof_float, 0, qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_0_0_0_0.set_update_time(0.10)
self.qtgui_number_sink_0_0_0_0.set_title("")
labels = ['SNR', '', '', '', '', '', '', '', '', '']
units = ['dB', '', '', '', '', '', '', '', '', '']
colors = [("blue", "red"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0_0_0_0.set_min(i, 0)
self.qtgui_number_sink_0_0_0_0.set_max(i, 30)
self.qtgui_number_sink_0_0_0_0.set_color(i, colors[i][0],
colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_0_0_0.set_label(
i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_0_0_0.set_label(i, labels[i])
self.qtgui_number_sink_0_0_0_0.set_unit(i, units[i])
self.qtgui_number_sink_0_0_0_0.set_factor(i, factor[i])
self.qtgui_number_sink_0_0_0_0.enable_autoscale(False)
self._qtgui_number_sink_0_0_0_0_win = sip.wrapinstance(
self.qtgui_number_sink_0_0_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_0_0_0_win, 1,
8, 1, 4)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_NONE, 1)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("")
labels = ['RX Freq Offset', 'SNR', '', '', '', '', '', '', '', '']
units = ['Hz', 'dB', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_0.set_min(i, -1)
self.qtgui_number_sink_0.set_max(i, 1)
self.qtgui_number_sink_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0.set_label(i, labels[i])
self.qtgui_number_sink_0.set_unit(i, units[i])
self.qtgui_number_sink_0.set_factor(i, factor[i])
self.qtgui_number_sink_0.enable_autoscale(False)
self._qtgui_number_sink_0_win = sip.wrapinstance(
self.qtgui_number_sink_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_win, 0, 8, 1,
2)
self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate / 10, #bw
"TX Spectrum", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_1.set_update_time(0.10)
self.qtgui_freq_sink_x_1.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_1.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_1.enable_autoscale(True)
self.qtgui_freq_sink_x_1.enable_grid(False)
self.qtgui_freq_sink_x_1.set_fft_average(1.0)
self.qtgui_freq_sink_x_1.enable_axis_labels(True)
self.qtgui_freq_sink_x_1.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_1.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_1.set_plot_pos_half(not True)
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_1.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_1.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_1.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_1_win = sip.wrapinstance(
self.qtgui_freq_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_1_win, 9, 0, 4,
8)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024 * 4, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.0010)
self.qtgui_freq_sink_x_0.set_y_axis(-140, -20)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(True)
self.qtgui_freq_sink_x_0.set_fft_average(0.2)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['pre-d', 'post', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 5,
8)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-1, 1)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0.enable_autoscale(False)
self.qtgui_const_sink_x_0.enable_grid(True)
self.qtgui_const_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "red", "red", "red", "red", "red", "red", "red",
"red"
]
styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 5, 8, 4,
4)
self.pyqt_text_input_0 = pyqt.text_input()
self._pyqt_text_input_0_win = self.pyqt_text_input_0
self.top_grid_layout.addWidget(self._pyqt_text_input_0_win, 9, 9, 1, 3)
self.mapper_demapper_soft_0 = mapper.demapper_soft(
mapper.BPSK, ([0, 1]))
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, (baud * (1 + alpha)) / 2, 1000,
firdes.WIN_HAMMING, 6.76))
self.kiss_hdlc_framer_0 = kiss.hdlc_framer(preamble_bytes=64,
postamble_bytes=16)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
1, (lpf_taps), khz_offset * 1000, samp_rate)
self.digital_scrambler_bb_0 = digital.scrambler_bb(0x21, 0x0, 16)
self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(
samps_per_symb, math.pi * 2 / 100, (rrc_filter_taps), 32, 16, 1.5,
1)
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=50,
bt=alpha,
verbose=False,
log=False,
)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(
math.pi * 2 / 100, 2, False)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
math.pi * 2 / 100, 2, False)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_socket_pdu_0_2 = blocks.socket_pdu("UDP_SERVER", ip,
'52002', 1024, False)
self.blocks_socket_pdu_0_1 = blocks.socket_pdu("TCP_SERVER", ip, port,
1024, False)
self.blocks_pdu_to_tagged_stream_0_0 = blocks.pdu_to_tagged_stream(
blocks.byte_t, 'packet_len')
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_null_sink_0_0_0 = blocks.null_sink(gr.sizeof_float * 1)
self.blocks_null_sink_0_0 = blocks.null_sink(gr.sizeof_float * 1)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex * 1)
self.blocks_nlog10_ff_0_1 = blocks.nlog10_ff(10, 1, 0)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_0_0 = blocks.multiply_const_vcc(
(bb_gain, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((mult, ))
self.blocks_moving_average_xx_0_0_1 = blocks.moving_average_ff(
100000, 0.00001, 4000)
self.blocks_moving_average_xx_0_0 = blocks.moving_average_ff(
1000, 0.001, 4000)
self.blocks_moving_average_xx_0 = blocks.moving_average_ff(
100000, 0.00001, 4000)
self.blocks_keep_one_in_n_0_0 = blocks.keep_one_in_n(
gr.sizeof_float * 1, int(samp_rate * meta_rate))
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(
gr.sizeof_float * 1, int(samp_rate / 8 * meta_rate))
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_gr_complex * 1,
'/captures/rocksat/testing/trimmed_500k.fc32', True)
self.blocks_file_sink_1_0 = blocks.file_sink(gr.sizeof_float * 1,
rfo_fp, False)
self.blocks_file_sink_1_0.set_unbuffered(False)
self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_float * 1, snr_fp,
False)
self.blocks_file_sink_1.set_unbuffered(False)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex * 1,
iq_fp, False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_divide_xx_0 = blocks.divide_ff(1)
self.blocks_complex_to_mag_squared_0_0 = blocks.complex_to_mag_squared(
1)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.blocks_complex_to_mag_0 = blocks.complex_to_mag(1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.blks2_selector_0_0_0 = grc_blks2.selector(
item_size=gr.sizeof_float * 1,
num_inputs=1,
num_outputs=2,
input_index=0,
output_index=int(record_snr),
)
self.blks2_selector_0_0 = grc_blks2.selector(
item_size=gr.sizeof_float * 1,
num_inputs=1,
num_outputs=2,
input_index=0,
output_index=int(record_rfo),
)
self.blks2_selector_0 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex * 1,
num_inputs=1,
num_outputs=2,
input_index=0,
output_index=int(record_iq),
)
self.analog_sig_source_x_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, 125e3, 1, 0)
self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-3, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_0_1, 'pdus'),
(self.kiss_hdlc_framer_0, 'in'))
self.msg_connect((self.blocks_socket_pdu_0_2, 'pdus'),
(self.kiss_hdlc_framer_0, 'in'))
self.msg_connect((self.kiss_hdlc_framer_0, 'out'),
(self.blocks_pdu_to_tagged_stream_0_0, 'pdus'))
self.msg_connect((self.pyqt_text_input_0, 'pdus'),
(self.kiss_hdlc_framer_0, 'in'))
self.msg_connect((self.vtgs_ao40_decoder_0_0, 'valid_frames'),
(self.blocks_socket_pdu_0_1, 'pdus'))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.digital_costas_loop_cc_0_0, 0))
self.connect((self.analog_sig_source_x_0, 0),
(self.blocks_multiply_xx_0, 1))
self.connect((self.blks2_selector_0, 1), (self.blocks_file_sink_0, 0))
self.connect((self.blks2_selector_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.blks2_selector_0_0, 1),
(self.blocks_file_sink_1_0, 0))
self.connect((self.blks2_selector_0_0, 0),
(self.blocks_null_sink_0_0, 0))
self.connect((self.blks2_selector_0_0_0, 1),
(self.blocks_file_sink_1, 0))
self.connect((self.blks2_selector_0_0_0, 0),
(self.blocks_null_sink_0_0_0, 0))
self.connect((self.blocks_add_const_vxx_0, 0),
(self.qtgui_number_sink_2, 0))
self.connect((self.blocks_complex_to_mag_0, 0),
(self.blocks_moving_average_xx_0_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0),
(self.blocks_divide_xx_0, 0))
self.connect((self.blocks_complex_to_mag_squared_0_0, 0),
(self.blocks_divide_xx_0, 1))
self.connect((self.blocks_divide_xx_0, 0),
(self.blocks_nlog10_ff_0_1, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0),
(self.blks2_selector_0_0_0, 0))
self.connect((self.blocks_keep_one_in_n_0_0, 0),
(self.blks2_selector_0_0, 0))
self.connect((self.blocks_moving_average_xx_0, 0),
(self.blocks_keep_one_in_n_0_0, 0))
self.connect((self.blocks_moving_average_xx_0, 0),
(self.qtgui_number_sink_0, 0))
self.connect((self.blocks_moving_average_xx_0_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_moving_average_xx_0_0_1, 0),
(self.blocks_keep_one_in_n_0, 0))
self.connect((self.blocks_moving_average_xx_0_0_1, 0),
(self.qtgui_number_sink_0_0_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_moving_average_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0_0, 0),
(self.rational_resampler_xxx_2, 0))
self.connect((self.blocks_multiply_xx_0, 0),
(self.rational_resampler_xxx_1, 0))
self.connect((self.blocks_nlog10_ff_0_1, 0),
(self.blocks_moving_average_xx_0_0_1, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0),
(self.digital_gmsk_mod_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0_0, 0),
(self.digital_scrambler_bb_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blks2_selector_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.blocks_complex_to_mag_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.mapper_demapper_soft_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 1),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 0),
(self.blocks_multiply_xx_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.vtgs_mult_descrambler_0, 0))
self.connect((self.digital_gmsk_mod_0, 0),
(self.blocks_multiply_const_vxx_0_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_scrambler_bb_0, 0),
(self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_agc2_xx_0_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_freq_sink_x_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.digital_pfb_clock_sync_xxx_0_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.qtgui_freq_sink_x_0, 1))
self.connect((self.mapper_demapper_soft_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.rational_resampler_xxx_1, 0),
(self.blocks_complex_to_mag_squared_0_0, 0))
self.connect((self.rational_resampler_xxx_2, 0),
(self.qtgui_freq_sink_x_1, 0))
self.connect((self.vtgs_mult_descrambler_0, 0),
(self.vtgs_ao40_decoder_0_0, 0))
def __init__(self,
ip='127.0.0.1',
iq_file='./rocksat_125kbd_500ksps_date_comment.dat',
meta_rate=.1,
port='52001',
record_iq=0,
record_rfo=0,
record_snr=0,
rfo_file='./rocksat_rfo_date_comment.meta',
snr_file='./rocksat_snr_date_comment.meta'):
gr.top_block.__init__(self, "VTGS Rocksat Receiver")
Qt.QWidget.__init__(self)
self.setWindowTitle("VTGS Rocksat Receiver")
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", "vtgs_rx_1")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.ip = ip
self.iq_file = iq_file
self.meta_rate = meta_rate
self.port = port
self.record_iq = record_iq
self.record_rfo = record_rfo
self.record_snr = record_snr
self.rfo_file = rfo_file
self.snr_file = snr_file
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 250e3
self.baud = baud = 125e3 / 2
self.samps_per_symb = samps_per_symb = int(samp_rate / baud)
self.rx_freq = rx_freq = 2395e6
self.alpha = alpha = 0.5
self.tuned_center = tuned_center = 'baud_0'
self.rx_offset = rx_offset = 250e3
self.rx_gain = rx_gain = 10
self.rrc_filter_taps = rrc_filter_taps = firdes.root_raised_cosine(
32, 1.0, 1.0 / (samps_per_symb * 32), alpha, samps_per_symb * 32)
self.noise = noise = 0
self.mult = mult = (samp_rate) / 2 / 3.141593
self.lpf_taps = lpf_taps = firdes.low_pass(1.0, samp_rate,
samp_rate / 2, 1000,
firdes.WIN_HAMMING, 6.76)
self.lo = lo = 1833e6
self.khz_offset = khz_offset = 0
self.center_freq_lbl = center_freq_lbl = rx_freq / 1e6
##################################################
# Blocks
##################################################
self._noise_range = Range(0, 1, 0.00001, 0, 200)
self._noise_win = RangeWidget(self._noise_range, self.set_noise,
"noise", "counter_slider", float)
self.top_layout.addWidget(self._noise_win)
self._khz_offset_range = Range(-150, 150, 1, 0, 200)
self._khz_offset_win = RangeWidget(self._khz_offset_range,
self.set_khz_offset, 'Offset [kHz]',
"counter_slider", float)
self.top_grid_layout.addWidget(self._khz_offset_win, 7, 8, 1, 4)
self.vtgs_mult_descrambler_0 = vtgs.mult_descrambler(17, 0x3FFFF)
self.vtgs_ao40_decoder_0_0 = vtgs.ao40_decoder()
self._tuned_center_tool_bar = Qt.QToolBar(self)
if None:
self._tuned_center_formatter = None
else:
self._tuned_center_formatter = lambda x: x
self._tuned_center_tool_bar.addWidget(
Qt.QLabel(' Tuned Center [MHz]' + ": "))
self._tuned_center_label = Qt.QLabel(
str(self._tuned_center_formatter(self.tuned_center)))
self._tuned_center_tool_bar.addWidget(self._tuned_center_label)
self.top_grid_layout.addWidget(self._tuned_center_tool_bar, 1, 8, 1, 2)
self._rx_gain_range = Range(0, 86, 1, 10, 200)
self._rx_gain_win = RangeWidget(self._rx_gain_range, self.set_rx_gain,
'RX Gain', "counter_slider", float)
self.top_grid_layout.addWidget(self._rx_gain_win, 6, 8, 1, 4)
self.qtgui_waterfall_sink_x_0 = qtgui.waterfall_sink_c(
4096, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
'', #name
1 #number of inputs
)
self.qtgui_waterfall_sink_x_0.set_update_time(0.010)
self.qtgui_waterfall_sink_x_0.enable_grid(True)
self.qtgui_waterfall_sink_x_0.enable_axis_labels(True)
if not False:
self.qtgui_waterfall_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_waterfall_sink_x_0.set_plot_pos_half(not True)
labels = ['pre-d', 'post', '', '', '', '', '', '', '', '']
colors = [0, 1, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_waterfall_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_waterfall_sink_x_0.set_line_label(i, labels[i])
self.qtgui_waterfall_sink_x_0.set_color_map(i, colors[i])
self.qtgui_waterfall_sink_x_0.set_line_alpha(i, alphas[i])
self.qtgui_waterfall_sink_x_0.set_intensity_range(-130, -20)
self._qtgui_waterfall_sink_x_0_win = sip.wrapinstance(
self.qtgui_waterfall_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_waterfall_sink_x_0_win, 8,
0, 8, 8)
self.qtgui_number_sink_1 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_1.set_update_time(0.10)
self.qtgui_number_sink_1.set_title("")
labels = ['', '', '', '', '', '', '', '', '', '']
units = ['', '', '', '', '', '', '', '', '', '']
colors = [("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black"), ("black", "black"), ("black", "black"),
("black", "black")]
factor = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
for i in xrange(1):
self.qtgui_number_sink_1.set_min(i, -1)
self.qtgui_number_sink_1.set_max(i, 1)
self.qtgui_number_sink_1.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_1.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_1.set_label(i, labels[i])
self.qtgui_number_sink_1.set_unit(i, units[i])
self.qtgui_number_sink_1.set_factor(i, factor[i])
self.qtgui_number_sink_1.enable_autoscale(False)
self._qtgui_number_sink_1_win = sip.wrapinstance(
self.qtgui_number_sink_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_number_sink_1_win)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024 * 4, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.0010)
self.qtgui_freq_sink_x_0.set_y_axis(-120, -20)
self.qtgui_freq_sink_x_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0,
"")
self.qtgui_freq_sink_x_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0.enable_grid(True)
self.qtgui_freq_sink_x_0.set_fft_average(0.2)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0.set_plot_pos_half(not True)
labels = ['pre-d', 'post', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "dark blue"
]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(2):
if len(labels[i]) == 0:
self.qtgui_freq_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_freq_sink_x_0_win, 0, 0, 8,
8)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-1, 1)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, "")
self.qtgui_const_sink_x_0.enable_autoscale(False)
self.qtgui_const_sink_x_0.enable_grid(True)
self.qtgui_const_sink_x_0.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "red", "red", "red", "red", "red", "red", "red",
"red"
]
styles = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(1):
if len(labels[i]) == 0:
self.qtgui_const_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_win = sip.wrapinstance(
self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_win, 8, 8, 8,
4)
self.mapper_demapper_soft_0 = mapper.demapper_soft(
mapper.BPSK, ([0, 1]))
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, (baud * (1 + alpha)) / 2, 1000,
firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
1, (lpf_taps), khz_offset * 1000, samp_rate)
self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(
samps_per_symb, math.pi * 2 / 100, (rrc_filter_taps), 32, 16, 1.5,
1)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(
math.pi * 2 / 100, 2, False)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
math.pi * 2 / 100, 2, False)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self._center_freq_lbl_tool_bar = Qt.QToolBar(self)
if None:
self._center_freq_lbl_formatter = None
else:
self._center_freq_lbl_formatter = lambda x: x
self._center_freq_lbl_tool_bar.addWidget(
Qt.QLabel('Center Frequency [MHz]' + ": "))
self._center_freq_lbl_label = Qt.QLabel(
str(self._center_freq_lbl_formatter(self.center_freq_lbl)))
self._center_freq_lbl_tool_bar.addWidget(self._center_freq_lbl_label)
self.top_grid_layout.addWidget(self._center_freq_lbl_tool_bar, 0, 8, 1,
2)
self.blocks_socket_pdu_0 = blocks.socket_pdu("TCP_SERVER", ip, port,
1024, False)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((mult, ))
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.blks2_tcp_source_0 = grc_blks2.tcp_source(
itemsize=gr.sizeof_gr_complex * 1,
addr='127.0.0.1',
port=5000,
server=True,
)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN, noise, 0)
self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-3, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.vtgs_ao40_decoder_0_0, 'valid_frames'),
(self.blocks_socket_pdu_0, 'pdus'))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.digital_costas_loop_cc_0_0, 0))
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 1))
self.connect((self.blks2_tcp_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.analog_agc2_xx_0_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.blocks_add_xx_0, 0),
(self.qtgui_waterfall_sink_x_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.qtgui_number_sink_1, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.mapper_demapper_soft_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 1),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.vtgs_mult_descrambler_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.digital_pfb_clock_sync_xxx_0_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.qtgui_freq_sink_x_0, 1))
self.connect((self.mapper_demapper_soft_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.vtgs_mult_descrambler_0, 0),
(self.vtgs_ao40_decoder_0_0, 0))
def __init__(self,
addr='0.0.0.0',
alpha=0.5,
bb_gain=.5,
port='52001',
rx_correct=0,
rx_freq=2395e6,
rx_gain=20,
rx_offset=50e3,
samp_rate=500e3,
samps_per_symb=4,
tx_correct=0,
tx_freq=2395e6,
tx_gain=20,
tx_offset=50e3):
gr.top_block.__init__(self, "Trx Scram Sock")
Qt.QWidget.__init__(self)
self.setWindowTitle("Trx Scram Sock")
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", "trx_scram_sock")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.addr = addr
self.alpha = alpha
self.bb_gain = bb_gain
self.port = port
self.rx_correct = rx_correct
self.rx_freq = rx_freq
self.rx_gain = rx_gain
self.rx_offset = rx_offset
self.samp_rate = samp_rate
self.samps_per_symb = samps_per_symb
self.tx_correct = tx_correct
self.tx_freq = tx_freq
self.tx_gain = tx_gain
self.tx_offset = tx_offset
##################################################
# Variables
##################################################
self.rrc_filter_taps = rrc_filter_taps = firdes.root_raised_cosine(
32, 1.0, 1.0 / (samps_per_symb * 32), alpha,
int(samps_per_symb * 32))
self.lpf_taps = lpf_taps = firdes.low_pass(1.0, samp_rate,
samp_rate / 2, 1000,
firdes.WIN_HAMMING, 6.76)
self.baud = baud = samp_rate / samps_per_symb
##################################################
# Blocks
##################################################
self.vtgs_mult_descrambler_0 = vtgs.mult_descrambler(17, 0x3FFFF)
self.vtgs_ao40_decoder_0_0 = vtgs.ao40_decoder()
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("", "")),
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(0, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_center_freq(
uhd.tune_request(rx_freq + rx_correct, rx_offset), 0)
self.uhd_usrp_sink_0.set_gain(rx_gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.tx_hier_0 = tx_hier(
alpha=0.5,
bb_gain=.5,
samp_rate=500e3,
samps_per_symb=4,
)
self.mapper_demapper_soft_0 = mapper.demapper_soft(
mapper.BPSK, ([0, 1]))
self.low_pass_filter_0_0 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, samp_rate, (baud * (1 + alpha)) / 2, 1000,
firdes.WIN_HAMMING, 6.76))
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(
1, (lpf_taps), 0, samp_rate)
self.digital_pfb_clock_sync_xxx_0_0 = digital.pfb_clock_sync_ccf(
samps_per_symb, math.pi * 2 / 100, (rrc_filter_taps), 32, 16, 1.5,
1)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_costas_loop_cc_0_0 = digital.costas_loop_cc(
math.pi * 2 / 100, 2, False)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
math.pi * 2 / 100, 2, False)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_socket_pdu_2 = blocks.socket_pdu("UDP_SERVER", addr,
'52002', 10000, False)
self.blocks_socket_pdu_1 = blocks.socket_pdu("TCP_SERVER", addr,
'52001', 10000, False)
self.analog_agc2_xx_0_0 = analog.agc2_cc(1e-3, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_socket_pdu_1, 'pdus'),
(self.tx_hier_0, 'in'))
self.msg_connect((self.blocks_socket_pdu_2, 'pdus'),
(self.blocks_socket_pdu_1, 'pdus'))
self.msg_connect((self.vtgs_ao40_decoder_0_0, 'valid_frames'),
(self.blocks_socket_pdu_1, 'pdus'))
self.connect((self.analog_agc2_xx_0_0, 0),
(self.digital_costas_loop_cc_0_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.mapper_demapper_soft_0, 0))
self.connect((self.digital_costas_loop_cc_0_0, 0),
(self.low_pass_filter_0_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.vtgs_mult_descrambler_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0),
(self.analog_agc2_xx_0_0, 0))
self.connect((self.low_pass_filter_0_0, 0),
(self.digital_pfb_clock_sync_xxx_0_0, 0))
self.connect((self.mapper_demapper_soft_0, 0),
(self.digital_binary_slicer_fb_0, 0))
self.connect((self.tx_hier_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.vtgs_mult_descrambler_0, 0),
(self.vtgs_ao40_decoder_0_0, 0))
