def __init__(self, alfa=0.35, samp_per_sym=5, bits_per_sym=2, constellation=[-1-1j,1-1j, 1+1j, -1+1j], len_sym_srrc=7, out_const_mul=0.4):
gr.hier_block2.__init__(
self, "Hier Tx",
gr.io_signature(1, 1, gr.sizeof_char*1),
gr.io_signature(1, 1, gr.sizeof_gr_complex*1),
)
##################################################
# Parameters
##################################################
self.alfa = alfa
self.samp_per_sym = samp_per_sym
self.bits_per_sym = bits_per_sym
self.constellation = constellation
self.len_sym_srrc = len_sym_srrc
self.out_const_mul = out_const_mul
##################################################
# Variables
##################################################
self.pulso = pulso = firdes.root_raised_cosine(samp_per_sym,samp_per_sym,1.0,alfa,samp_per_sym*len_sym_srrc)
##################################################
# Blocks
##################################################
self.pfb_interpolator_ccf_0 = pfb.interpolator_ccf(
samp_per_sym,
(pulso),
100)
self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2**bits_per_sym)
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc((constellation), 1)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(bits_per_sym, gr.GR_MSB_FIRST)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((out_const_mul, ))
if DEBUG:
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "./file_tx_ini", False)
self.blocks_file_sink_0.set_unbuffered(True)
self.blocks_file_sink_1 = blocks.file_sink(gr.sizeof_char*1, "./file_tx_2bits", False)
self.blocks_file_sink_1.set_unbuffered(True)
self.blocks_file_sink_2 = blocks.file_sink(gr.sizeof_gr_complex*1, "./file_tx_out", False)
self.blocks_file_sink_2.set_unbuffered(True)
self.blocks_file_sink_3 = blocks.file_sink(gr.sizeof_gr_complex*1, "./file_tx_sym", False)
self.blocks_file_sink_3.set_unbuffered(True)
##################################################
# Connections
##################################################
self.connect((self.pfb_interpolator_ccf_0, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.digital_diff_encoder_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.pfb_interpolator_ccf_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.digital_diff_encoder_bb_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self, 0))
self.connect((self, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
if DEBUG:
self.connect((self, 0), (self.blocks_file_sink_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.blocks_file_sink_1, 0))
self.connect((self.pfb_interpolator_ccf_0, 0), (self.blocks_file_sink_2, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.blocks_file_sink_3, 0))
def __init__(self):
gr.top_block.__init__(self, "Polyphase Filter")
Qt.QWidget.__init__(self)
self.setWindowTitle("Polyphase Filter")
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", "polyphase_filter")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 300e3
self.K = K = 50
##################################################
# Blocks
##################################################
self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c(
4096, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
2 #number of inputs
)
self.qtgui_freq_sink_x_0_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0_0.set_y_axis(-200, 0)
self.qtgui_freq_sink_x_0_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0,
0, "")
self.qtgui_freq_sink_x_0_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_0.enable_grid(True)
self.qtgui_freq_sink_x_0_0.set_fft_average(0.2)
self.qtgui_freq_sink_x_0_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0_0.set_plot_pos_half(not True)
labels = [
'Polyphase Filtering', 'Normal FIR Filtering', '', '', '', '', '',
'', '', ''
]
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_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_freq_sink_x_0_0_win)
self.pfb_interpolator_ccf_0 = pfb.interpolator_ccf(K, (), 100)
self.pfb_interpolator_ccf_0.declare_sample_delay(0)
self.pfb_decimator_ccf_0 = pfb.decimator_ccf(K, (), 0, 100, True, True)
self.pfb_decimator_ccf_0.declare_sample_delay(0)
self.fir_filter_xxx_0 = filter.fir_filter_ccc(1, (firdes.low_pass(
1, 1.0, 1.0 / (2 * K), 1.0 / (20 * K), firdes.WIN_BLACKMAN)))
self.fir_filter_xxx_0.declare_sample_delay(0)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN, 1, 0)
##################################################
# Connections
##################################################
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.fir_filter_xxx_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.pfb_decimator_ccf_0, 0))
self.connect((self.fir_filter_xxx_0, 0),
(self.qtgui_freq_sink_x_0_0, 1))
self.connect((self.pfb_decimator_ccf_0, 0),
(self.pfb_interpolator_ccf_0, 0))
self.connect((self.pfb_interpolator_ccf_0, 0),
(self.qtgui_freq_sink_x_0_0, 0))
def __init__(self):
gr.hier_block2.__init__(
self, "Hier Tx Ch Rx",
gr.io_signature(1, 1, gr.sizeof_char*1),
gr.io_signature(1, 1, gr.sizeof_char*1),
)
##################################################
# Variables
##################################################
self.samp_per_sym = samp_per_sym = 3
self.n_filts = n_filts = 32
self.len_sym_srrc = len_sym_srrc = 7
self.alfa = alfa = 0.35
self.pulso = pulso = firdes.root_raised_cosine(samp_per_sym,samp_per_sym,1.0,alfa,samp_per_sym*len_sym_srrc)
self.gain = gain = 15
self.frec = frec = 850e3
self.filtro_srrc = filtro_srrc = firdes.root_raised_cosine(n_filts,samp_per_sym*n_filts,1.0,alfa,samp_per_sym*len_sym_srrc*n_filts)
self.bits_per_sym = bits_per_sym = 2
##################################################
# Blocks
##################################################
self.pfb_interpolator_ccf_0 = pfb.interpolator_ccf(
samp_per_sym,
(pulso),
100)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(samp_per_sym, 2*math.pi/100, (filtro_srrc), n_filts, 16, 5, 1)
self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(samp_per_sym, alfa, len_sym_srrc*samp_per_sym, math.pi/1600)
self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2**bits_per_sym)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2**bits_per_sym)
self.digital_costas_loop_cc_0_0_0 = digital.costas_loop_cc(2*math.pi/100, 2**bits_per_sym)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb( digital.constellation_calcdist([-1-1j, 1-1j, 1+1j, -1+1j], [], 4, 1).base())
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(([-1-1j,1-1j, 1+1j, -1+1j]), 1)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.0,
frequency_offset=0.0,
epsilon=1.00,
taps=(1+0.5j, ),
noise_seed=0,
block_tags=False
)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(bits_per_sym)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(bits_per_sym, gr.GR_MSB_FIRST)
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((0.4, ))
self.blks2_packet_encoder_0 = grc_blks2.packet_mod_b(grc_blks2.packet_encoder(
samples_per_symbol=samp_per_sym,
bits_per_symbol=bits_per_sym,
preamble="",
access_code="",
pad_for_usrp=True,
),
payload_length=1,
)
self.blks2_packet_decoder_0 = grc_blks2.packet_demod_b(grc_blks2.packet_decoder(
access_code="",
threshold=-1,
callback=lambda ok, payload: self.blks2_packet_decoder_0.recv_pkt(ok, payload),
),
)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-2, 1.0, 1.0)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.connect((self.pfb_interpolator_ccf_0, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.digital_diff_encoder_bb_0, 0), (self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self.pfb_interpolator_ccf_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.channels_channel_model_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.digital_diff_encoder_bb_0, 0))
self.connect((self.blks2_packet_encoder_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blks2_packet_decoder_0, 0))
self.connect((self.blks2_packet_decoder_0, 0), (self, 0))
self.connect((self, 0), (self.blks2_packet_encoder_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.digital_fll_band_edge_cc_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="V/HF mult-imode transmitter")
##################################################
# Variables
##################################################
self.var_1 = var_1 = 145100000
self.var_text = var_text = var_1
self.tx_mode = tx_mode = 0, 0, 1
self.tx_freq = tx_freq = 1500, -1500, -1500
self.tune = tune = 0
self.side_band = side_band = 2
self.samp_rate = samp_rate = 1.515152e6
self.pwr = pwr = 0.11, 0.11, 0.11, 0.11, 0.11, 0.11, 0.0, 0, 0.11
self.lo_freq_Hz = lo_freq_Hz = (145.1e6, 145.11e6, 14.070e6, 14.236e6, 28.720e6, 10.0e6, 15.0e6, var_1)
self.hi_lo = hi_lo = 1
self.freq_chooser = freq_chooser = 0
self.fine_tune = fine_tune = 0
self.chooser = chooser = 1
##################################################
# Blocks
##################################################
_tune_sizer = wx.BoxSizer(wx.VERTICAL)
self._tune_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_tune_sizer,
value=self.tune,
callback=self.set_tune,
label="Coarse Tune",
converter=forms.int_converter(),
proportion=0,
)
self._tune_slider = forms.slider(
parent=self.GetWin(),
sizer=_tune_sizer,
value=self.tune,
callback=self.set_tune,
minimum=-61000,
maximum=61000,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=int,
proportion=1,
)
self.GridAdd(_tune_sizer, 3, 1, 1, 1)
self._side_band_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.side_band,
callback=self.set_side_band,
label=" Sideband",
choices=[0, 1, 2],
labels=["LSB", "USB", "CW"],
style=wx.RA_HORIZONTAL,
)
self.GridAdd(self._side_band_chooser, 3, 2, 1, 1)
self._hi_lo_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.hi_lo,
callback=self.set_hi_lo,
label="Power Level",
choices=[1, 2],
labels=["Low", "High"],
style=wx.RA_HORIZONTAL,
)
self.GridAdd(self._hi_lo_chooser, 4, 2, 1, 1)
self._freq_chooser_chooser = forms.radio_buttons(
parent=self.GetWin(),
value=self.freq_chooser,
callback=self.set_freq_chooser,
label="FREQUENCY SELECT",
choices=[0, 1, 2, 3, 4, 5, 6, 7],
labels=["145.100", "145.110", "14.070", "14.236", "28.720", "10", "15", "PRESET"],
style=wx.RA_HORIZONTAL,
)
self.GridAdd(self._freq_chooser_chooser, 1, 1, 1, 1)
_fine_tune_sizer = wx.BoxSizer(wx.VERTICAL)
self._fine_tune_text_box = forms.text_box(
parent=self.GetWin(),
sizer=_fine_tune_sizer,
value=self.fine_tune,
callback=self.set_fine_tune,
label="Fine Tune",
converter=forms.float_converter(),
proportion=0,
)
self._fine_tune_slider = forms.slider(
parent=self.GetWin(),
sizer=_fine_tune_sizer,
value=self.fine_tune,
callback=self.set_fine_tune,
minimum=-5000 / 2,
maximum=5000 / 2,
num_steps=1000,
style=wx.SL_HORIZONTAL,
cast=float,
proportion=1,
)
self.GridAdd(_fine_tune_sizer, 4, 1, 1, 1)
self._chooser_chooser = forms.button(
parent=self.GetWin(),
value=self.chooser,
callback=self.set_chooser,
label="TX-RX Selector",
choices=[1, 0],
labels=["Receive", "Transmit"],
)
self.GridAdd(self._chooser_chooser, 6, 1, 2, 1)
self._var_text_static_text = forms.static_text(
parent=self.GetWin(),
value=self.var_text,
callback=self.set_var_text,
label="PRESET FREQUENCY",
converter=forms.float_converter(),
)
self.GridAdd(self._var_text_static_text, 1, 2, 1, 1)
self.pfb_interpolator_ccf_0 = pfb.interpolator_ccf(8, (), 100)
self.pfb_interpolator_ccf_0.declare_sample_delay(0)
self.osmosdr_sink_0 = osmosdr.sink(args="numchan=" + str(1) + " " + "")
self.osmosdr_sink_0.set_sample_rate(samp_rate / 4)
self.osmosdr_sink_0.set_center_freq(lo_freq_Hz[freq_chooser] + tune + fine_tune - (tx_freq[side_band]), 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(10, 0)
self.osmosdr_sink_0.set_if_gain(20, 0)
self.osmosdr_sink_0.set_bb_gain(20, 0)
self.osmosdr_sink_0.set_antenna("", 0)
self.osmosdr_sink_0.set_bandwidth(0, 0)
self.fft_filter_xxx_0_0_0_0_0 = filter.fft_filter_fff(
1, (firdes.band_pass(1, samp_rate / 32, 250, 3500, 400)), 1
)
self.fft_filter_xxx_0_0_0_0_0.declare_sample_delay(0)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1, samp_rate / 32, True)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_multiply_const_vxx_1_0_0_0 = blocks.multiply_const_vcc(((pwr[freq_chooser] * hi_lo),))
self.blocks_multiply_const_vxx_1_0_0 = blocks.multiply_const_vff((40 * 10,))
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blks2_valve_1 = grc_blks2.valve(item_size=gr.sizeof_gr_complex * 1, open=bool(chooser))
self.blks2_selector_0 = grc_blks2.selector(
item_size=gr.sizeof_gr_complex * 1,
num_inputs=2,
num_outputs=1,
input_index=tx_mode[side_band],
output_index=0,
)
self.band_pass_filter_0 = filter.interp_fir_filter_ccf(
1, firdes.band_pass(1, 47348, 150, 1500, 300, firdes.WIN_HAMMING, 6.76)
)
self.audio_source_0_0 = audio.source(47348, "", True)
self.analog_sig_source_x_0_0 = analog.sig_source_c(samp_rate / 32, analog.GR_COS_WAVE, tx_freq[side_band], 1, 0)
self.analog_const_source_x_0 = analog.sig_source_c(0, analog.GR_CONST_WAVE, 0, 0, (0.070) * 9)
##################################################
# Connections
##################################################
self.connect((self.analog_const_source_x_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.analog_sig_source_x_0_0, 0), (self.blocks_multiply_xx_0_0, 0))
self.connect((self.audio_source_0_0, 0), (self.blocks_multiply_const_vxx_1_0_0, 0))
self.connect((self.band_pass_filter_0, 0), (self.blks2_selector_0, 0))
self.connect((self.blks2_selector_0, 0), (self.blocks_multiply_const_vxx_1_0_0_0, 0))
self.connect((self.blks2_valve_1, 0), (self.pfb_interpolator_ccf_0, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_multiply_xx_0_0, 1))
self.connect((self.blocks_multiply_const_vxx_1_0_0, 0), (self.fft_filter_xxx_0_0_0_0_0, 0))
self.connect((self.blocks_multiply_const_vxx_1_0_0_0, 0), (self.blks2_valve_1, 0))
self.connect((self.blocks_multiply_xx_0_0, 0), (self.band_pass_filter_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blks2_selector_0, 1))
self.connect((self.fft_filter_xxx_0_0_0_0_0, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.pfb_interpolator_ccf_0, 0), (self.osmosdr_sink_0, 0))
