def test_00(self):
expected_result = (
0x00, 0x11, 0x22, 0x33,
0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xaa, 0xbb,
0xcc, 0xdd, 0xee, 0xff)
# Filter taps to expand the data to oversample by 8
# Just using a RRC for some basic filter shape
taps = filter.firdes.root_raised_cosine(8, 8, 1.0, 0.5, 21)
src = blocks.vector_source_b(expected_result)
frame = digital.simple_framer(4)
unpack = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
expand = filter.interp_fir_filter_fff(8, taps)
b2f = blocks.char_to_float()
mult2 = blocks.multiply_const_ff(2)
sub1 = blocks.add_const_ff(-1)
op = digital.simple_correlator(4)
dst = blocks.vector_sink_b()
self.tb.connect(src, frame, unpack, b2f, mult2, sub1, expand)
self.tb.connect(expand, op, dst)
self.tb.run()
result_data = dst.data()
self.assertEqual(expected_result, result_data)
def __init__(self,
fft_size=256,
power_max=0.0,
power_min=-100.0,
port=6663,
frame_rate=5,
sample_rate=1e4,
ip_address="srvwww.cortexlab.fr"):
gr.hier_block2.__init__(
self,
"fft web",
gr.io_signature(1, 1, gr.sizeof_float * fft_size),
gr.io_signature(0, 0, 0),
)
##################################################
# Parameters
##################################################
self.fft_size = fft_size
self.power_max = power_max
self.power_min = power_min
self.port = port
self.frame_rate = frame_rate
self.sample_rate = sample_rate
self.ip_address = ip_address
##################################################
# Blocks
##################################################
self.digital_simple_framer_0 = digital.simple_framer(fft_size)
self.blocks_vector_to_stream_0 = blocks.vector_to_stream(
gr.sizeof_float * 1, fft_size)
self.blocks_udp_sink_0 = blocks.udp_sink(gr.sizeof_char * 1,
ip_address, port, 1472, True)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(-255.0 / (power_min - power_max), ))
self.blocks_float_to_char_0 = blocks.float_to_char(1, 1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff(
((128.0 * power_max + 127.0 * power_min) /
(power_min - power_max), ))
##################################################
# Connections
##################################################
self.connect((self.blocks_add_const_vxx_0, 0),
(self.blocks_float_to_char_0, 0))
self.connect((self.blocks_float_to_char_0, 0),
(self.digital_simple_framer_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_vector_to_stream_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_simple_framer_0, 0),
(self.blocks_udp_sink_0, 0))
self.connect((self, 0), (self.blocks_vector_to_stream_0, 0))
def test_simple_framer_001(self):
src_data = (0x00, 0x11, 0x22, 0x33,
0x44, 0x55, 0x66, 0x77,
0x88, 0x99, 0xaa, 0xbb,
0xcc, 0xdd, 0xee, 0xff)
expected_result = (
0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc, 0x00, 0x00, 0x11, 0x22, 0x33, 0x55,
0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc, 0x01, 0x44, 0x55, 0x66, 0x77, 0x55,
0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc, 0x02, 0x88, 0x99, 0xaa, 0xbb, 0x55,
0xac, 0xdd, 0xa4, 0xe2, 0xf2, 0x8c, 0x20, 0xfc, 0x03, 0xcc, 0xdd, 0xee, 0xff, 0x55)
src = blocks.vector_source_b(src_data)
op = digital.simple_framer(4)
dst = blocks.vector_sink_b()
self.tb.connect(src, op)
self.tb.connect(op, dst)
self.tb.run()
result_data = dst.data()
self.assertEqual(expected_result, result_data)
def __init__(self,
parameter_0="addr=192.168.10.2",
parameter_1="addr=192.168.10.3"):
gr.top_block.__init__(self, "BPSK_radios")
Qt.QWidget.__init__(self)
self.setWindowTitle("BPSK_radios")
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", "BPSK_radios")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.parameter_0 = parameter_0
self.parameter_1 = parameter_1
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.variable_qtgui_range_0 = variable_qtgui_range_0 = 630e-3
self.samp_rate = samp_rate = 32000
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
nfilts, nfilts, 1.0 / float(sps), 0.35, 45 * nfilts)
self.freq = freq = 2e9
self.bw = bw = 5e6
self.Tx_Gain = Tx_Gain = 3
self.Rx_Gain = Rx_Gain = 30
##################################################
# Blocks
##################################################
self.vocoder_alaw_encode_sb_0 = vocoder.alaw_encode_sb()
self.vocoder_alaw_decode_bs_0 = vocoder.alaw_decode_bs()
self._variable_qtgui_range_0_range = Range(0, 1, 1, 630e-3, 200)
self._variable_qtgui_range_0_win = RangeWidget(
self._variable_qtgui_range_0_range,
self.set_variable_qtgui_range_0, "variable_qtgui_range_0",
"counter_slider", float)
self.top_layout.addWidget(self._variable_qtgui_range_0_win)
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("addr=192.168.10.3", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(samp_rate * 10)
self.uhd_usrp_source_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.uhd_usrp_source_0.set_center_freq(freq, 0)
self.uhd_usrp_source_0.set_gain(Rx_Gain, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.uhd_usrp_source_0.set_bandwidth(bw / 5, 0)
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("addr=192.168.10.2", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate * 10)
self.uhd_usrp_sink_0.set_time_now(uhd.time_spec(time.time()),
uhd.ALL_MBOARDS)
self.uhd_usrp_sink_0.set_center_freq(freq, 0)
self.uhd_usrp_sink_0.set_gain(Tx_Gain, 0)
self.uhd_usrp_sink_0.set_antenna("TX/RX", 0)
self.uhd_usrp_sink_0.set_bandwidth(bw / 5, 0)
self.qtgui_sink_x_1 = qtgui.sink_f(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
freq, #fc
samp_rate, #bw
"Recieved signal", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_1.set_update_time(1.0 / 5)
self._qtgui_sink_x_1_win = sip.wrapinstance(
self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_1_win)
self.qtgui_sink_x_1.enable_rf_freq(False)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_KAISER, #wintype
freq, #fc
samp_rate, #bw
"Modulator output", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0.set_update_time(1.0 / 10)
self._qtgui_sink_x_0_win = sip.wrapinstance(
self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_win)
self.qtgui_sink_x_0.enable_rf_freq(True)
self.qtgui_number_sink_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_HORIZ, 1)
self.qtgui_number_sink_0.set_update_time(0.10)
self.qtgui_number_sink_0.set_title("BER")
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_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_layout.addWidget(self._qtgui_number_sink_0_win)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(
8, (filter.firdes.root_raised_cosine(8, 8, 1.0, 0.5, 22)))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.fec_ber_bf_0 = fec.ber_bf(False, 100, -7.0)
self.digital_simple_framer_0 = digital.simple_framer(20)
self.digital_simple_correlator_0 = digital.simple_correlator(20)
self.digital_psk_mod_0 = digital.psk.psk_mod(
constellation_points=2,
mod_code="gray",
differential=False,
samples_per_symbol=4,
excess_bw=0.35,
verbose=False,
log=False,
)
self.digital_psk_demod_0 = digital.psk.psk_demod(
constellation_points=2,
differential=False,
samples_per_symbol=4,
excess_bw=0.35,
phase_bw=6.28 / 100.0,
timing_bw=6.28 / 100.0,
mod_code="gray",
verbose=False,
log=False,
)
self.blocks_wavfile_source_0 = blocks.wavfile_source(
"/home/ettus/Música/bensound-photoalbum.wav", True)
self.blocks_wavfile_sink_0 = blocks.wavfile_sink(
"testBPSK_sonido.wav", 1, 44100, 16)
self.blocks_short_to_float_0 = blocks.short_to_float(1, 1)
self.blocks_multiply_const_vxx_4 = blocks.multiply_const_vcc((2, ))
self.blocks_multiply_const_vxx_3 = blocks.multiply_const_vff(
(30.5176e-6, ))
self.blocks_multiply_const_vxx_2 = blocks.multiply_const_vff((2, ))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc(
(630e-3, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(32.768e3, ))
self.blocks_float_to_short_0 = blocks.float_to_short(1, 1)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.audio_sink_0 = audio.sink(44100, "", True)
##################################################
# Connections
##################################################
self.connect((self.blocks_add_const_vxx_0, 0),
(self.interp_fir_filter_xxx_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.blocks_multiply_const_vxx_2, 0))
self.connect((self.blocks_complex_to_real_0, 0),
(self.qtgui_sink_x_1, 0))
self.connect((self.blocks_float_to_short_0, 0),
(self.vocoder_alaw_encode_sb_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_float_to_short_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0),
(self.qtgui_sink_x_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0),
(self.uhd_usrp_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_2, 0),
(self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_3, 0),
(self.audio_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_3, 0),
(self.blocks_wavfile_sink_0, 0))
self.connect((self.blocks_multiply_const_vxx_4, 0),
(self.blocks_complex_to_real_0, 0))
self.connect((self.blocks_multiply_const_vxx_4, 0),
(self.digital_psk_demod_0, 0))
self.connect((self.blocks_short_to_float_0, 0),
(self.blocks_multiply_const_vxx_3, 0))
self.connect((self.blocks_wavfile_source_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.digital_psk_demod_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.digital_psk_demod_0, 0), (self.fec_ber_bf_0, 1))
self.connect((self.digital_psk_mod_0, 0),
(self.blocks_multiply_const_vxx_1, 0))
self.connect((self.digital_simple_correlator_0, 0),
(self.vocoder_alaw_decode_bs_0, 0))
self.connect((self.digital_simple_framer_0, 0),
(self.digital_psk_mod_0, 0))
self.connect((self.digital_simple_framer_0, 0), (self.fec_ber_bf_0, 0))
self.connect((self.fec_ber_bf_0, 0), (self.qtgui_number_sink_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0),
(self.digital_simple_correlator_0, 0))
self.connect((self.uhd_usrp_source_0, 0),
(self.blocks_multiply_const_vxx_4, 0))
self.connect((self.vocoder_alaw_decode_bs_0, 0),
(self.blocks_short_to_float_0, 0))
self.connect((self.vocoder_alaw_encode_sb_0, 0),
(self.digital_simple_framer_0, 0))
def __init__(self):
gr.top_block.__init__(self, "BPSK simulation")
Qt.QWidget.__init__(self)
self.setWindowTitle("BPSK simulation")
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", "BPSK")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.variable_qtgui_range_0 = variable_qtgui_range_0 = 630e-3
self.samp_rate = samp_rate = 256e3
##################################################
# Blocks
##################################################
self.vocoder_alaw_encode_sb_0 = vocoder.alaw_encode_sb()
self.vocoder_alaw_decode_bs_0 = vocoder.alaw_decode_bs()
self._variable_qtgui_range_0_range = Range(0, 1, 1, 630e-3, 200)
self._variable_qtgui_range_0_win = RangeWidget(self._variable_qtgui_range_0_range, self.set_variable_qtgui_range_0, "variable_qtgui_range_0", "counter_slider", float)
self.top_layout.addWidget(self._variable_qtgui_range_0_win)
self.qtgui_sink_x_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"Channel output", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_1.set_update_time(1.0/10)
self._qtgui_sink_x_1_win = sip.wrapinstance(self.qtgui_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_1_win)
self.qtgui_sink_x_1.enable_rf_freq(False)
self.qtgui_sink_x_0 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_KAISER, #wintype
0, #fc
samp_rate, #bw
"Modulator output", #name
True, #plotfreq
True, #plotwaterfall
True, #plottime
True, #plotconst
)
self.qtgui_sink_x_0.set_update_time(1.0/10)
self._qtgui_sink_x_0_win = sip.wrapinstance(self.qtgui_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_sink_x_0_win)
self.qtgui_sink_x_0.enable_rf_freq(True)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(8, (filter.firdes.root_raised_cosine(8,8,1.0,0.5,21)))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.epy_block_0 = epy_block_0.blk(example_param=1.0)
self.digital_simple_framer_0 = digital.simple_framer(20)
self.digital_simple_correlator_0 = digital.simple_correlator(20)
self.digital_psk_mod_0 = digital.psk.psk_mod(
constellation_points=2,
mod_code="gray",
differential=False,
samples_per_symbol=4,
excess_bw=0.35,
verbose=False,
log=False,
)
self.digital_psk_demod_0 = digital.psk.psk_demod(
constellation_points=2,
differential=False,
samples_per_symbol=4,
excess_bw=0.35,
phase_bw=6.28/100.0,
timing_bw=6.28/100.0,
mod_code="gray",
verbose=False,
log=False,
)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0,
frequency_offset=0,
epsilon=1,
taps=(1.0 + 1.0j, ),
noise_seed=0,
block_tags=False
)
self.blocks_wavfile_source_0 = blocks.wavfile_source("/home/ettus/Música/bensound-photoalbum.wav", True)
self.blocks_short_to_float_0 = blocks.short_to_float(1, 1)
self.blocks_multiply_const_vxx_3 = blocks.multiply_const_vff((30.5176e-6, ))
self.blocks_multiply_const_vxx_2 = blocks.multiply_const_vff((2, ))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((630e-3, ))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((32.768e3, ))
self.blocks_float_to_short_0 = blocks.float_to_short(1, 1)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_gr_complex*1, "BPSK_Channel.txt", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.blocks_add_const_vxx_0 = blocks.add_const_vff((-1, ))
self.audio_sink_0 = audio.sink(44100, "", True)
##################################################
# Connections
##################################################
self.connect((self.blocks_add_const_vxx_0, 0), (self.interp_fir_filter_xxx_0, 0))
self.connect((self.blocks_char_to_float_0, 0), (self.blocks_multiply_const_vxx_2, 0))
self.connect((self.blocks_float_to_short_0, 0), (self.vocoder_alaw_encode_sb_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_float_to_short_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.channels_channel_model_0, 0))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.blocks_multiply_const_vxx_2, 0), (self.blocks_add_const_vxx_0, 0))
self.connect((self.blocks_multiply_const_vxx_3, 0), (self.audio_sink_0, 0))
self.connect((self.blocks_short_to_float_0, 0), (self.blocks_multiply_const_vxx_3, 0))
self.connect((self.blocks_wavfile_source_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.digital_psk_demod_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.qtgui_sink_x_1, 0))
self.connect((self.digital_psk_demod_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.digital_psk_mod_0, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.digital_simple_correlator_0, 0), (self.vocoder_alaw_decode_bs_0, 0))
self.connect((self.digital_simple_framer_0, 0), (self.epy_block_0, 0))
self.connect((self.epy_block_0, 0), (self.digital_psk_mod_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0), (self.digital_simple_correlator_0, 0))
self.connect((self.vocoder_alaw_decode_bs_0, 0), (self.blocks_short_to_float_0, 0))
self.connect((self.vocoder_alaw_encode_sb_0, 0), (self.digital_simple_framer_0, 0))