def set_num_tag_key(self, num_tag_key):
self.num_tag_key = num_tag_key
self.set_header_formatter(
digital.packet_header_default(self.header_len, self.len_tag_key,
self.num_tag_key, 1))
self.set_header_formatter_0(
digital.packet_header_default(self.header_len, self.len_tag_key,
self.num_tag_key, 1))
def set_header_len(self, header_len):
self.header_len = header_len
self.set_header_formatter(
digital.packet_header_default(self.header_len, self.len_tag_key,
self.num_tag_key, 1))
self.set_header_formatter_0(
digital.packet_header_default(self.header_len, self.len_tag_key,
self.num_tag_key, 1))
def set_len_tag_key(self, len_tag_key):
self.len_tag_key = len_tag_key
self.set_header_formatter(
digital.packet_header_default(self.header_len, self.len_tag_key,
self.num_tag_key, 1))
self.set_header_formatter_0(
digital.packet_header_default(self.header_len, self.len_tag_key,
self.num_tag_key, 1))
self.set_tag0(
gr.tag_utils.python_to_tag(
(0, pmt.intern(self.len_tag_key), pmt.from_long(self.cw_len),
pmt.intern("vect_cw_src"))))
self.set_tag_s(
gr.tag_utils.python_to_tag((0, pmt.intern(self.len_tag_key),
pmt.from_long(self.payload_len),
pmt.intern("vect_test_src"))))
def test_003_12bits_formatter_object(self):
# 3 PDUs: | | | |
data = (1, 2, 3, 4, 1, 2, 1, 2, 3, 4)
tagname = "packet_len"
tag1 = gr.tag_t()
tag1.offset = 0
tag1.key = pmt.string_to_symbol(tagname)
tag1.value = pmt.from_long(4)
tag2 = gr.tag_t()
tag2.offset = 4
tag2.key = pmt.string_to_symbol(tagname)
tag2.value = pmt.from_long(2)
tag3 = gr.tag_t()
tag3.offset = 6
tag3.key = pmt.string_to_symbol(tagname)
tag3.value = pmt.from_long(4)
src = blocks.vector_source_b(data, False, 1, (tag1, tag2, tag3))
formatter_object = digital.packet_header_default(12, tagname)
header = digital.packet_headergenerator_bb(
formatter_object.formatter(), tagname)
sink = blocks.vector_sink_b()
self.tb.connect(src, header, sink)
self.tb.run()
expected_data = (0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0)
self.assertEqual(sink.data(), expected_data)
def test_003_12bits_formatter_object (self):
# 3 PDUs: | | | |
data = (1, 2, 3, 4, 1, 2, 1, 2, 3, 4)
tagname = "packet_len"
tag1 = gr.tag_t()
tag1.offset = 0
tag1.key = pmt.string_to_symbol(tagname)
tag1.value = pmt.from_long(4)
tag2 = gr.tag_t()
tag2.offset = 4
tag2.key = pmt.string_to_symbol(tagname)
tag2.value = pmt.from_long(2)
tag3 = gr.tag_t()
tag3.offset = 6
tag3.key = pmt.string_to_symbol(tagname)
tag3.value = pmt.from_long(4)
src = blocks.vector_source_b(data, False, 1, (tag1, tag2, tag3))
formatter_object = digital.packet_header_default(12, tagname)
header = digital.packet_headergenerator_bb(formatter_object.formatter(), tagname)
sink = blocks.vector_sink_b()
self.tb.connect(src, header, sink)
self.tb.run()
expected_data = (
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0
)
self.assertEqual(sink.data(), expected_data)
def test_packet_encoder_bpsk (self):
preamble = (1,-1,-1,1)
src_data = (0b11001000,0b01111111,0b01100001,0b11110100)
constel_header = digital.constellation_calcdist(([1,-1]), ([0, 1]), 2, 1).base()
constel_payload = digital.constellation_calcdist(([1,-1]), ([0, 1]), 2, 1).base()
header_formatter = digital.packet_header_default(32/constel_header.bits_per_symbol(), "packet_len", "packet_num", constel_header.bits_per_symbol())
expected_result = preamble + \
((1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j),
(1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (1+0j),
(1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (1+0j),
(-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (1+0j), (1+0j),
(1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j),
(-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j),
(-1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (1+0j),
(1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j))
# Manual verification:
# PREAMBLE:
# ( 1+0j), (-1+0j), (-1+0j), ( 1+0j),
# HEADER : Bits 0-11: payload length in symbols (take care of order! LSB more to the 'left'!), bits 12-23: packet number, bits 24-31 8-BIT CRC
#
# (1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j),
# (1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (1+0j),
# (1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (1+0j),
# (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j), (1+0j), (1+0j)
# which is 00000100 0000|0000 00000000|11111000 (packet length of 32 symbols)
#
# PAYLOAD :
# (1+0j), (1+0j), (1+0j), (-1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j),
# (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j), (1+0j),
# (-1+0j), (1+0j), (1+0j), (1+0j), (1+0j), (-1+0j), (-1+0j), (1+0j),
# (1+0j), (1+0j), (-1+0j), (1+0j), (-1+0j), (-1+0j), (-1+0j), (-1+0j))
# which is 00010011 11111110 10000110 00101111
# so each byte is reversed because its read LSB first, which is correct
src = blocks.vector_source_b (src_data, repeat=False)
packet_len = len(src_data)
tagger = blocks.stream_to_tagged_stream(1, 1, packet_len, "packet_len")
repacker = blocks.repack_bits_bb(8, 1, "packet_len", False, gr.GR_LSB_FIRST)
#arguments: preamble, constel_header, constel_payload, header_formatter, lengthtagname, zero_padding, whiten, itemsize
penc = packetizer.packet_encoder (preamble, constel_header, constel_payload, header_formatter, "packet_len",0, False,1 )
snk = blocks.vector_sink_c(1)
self.tb.connect (src, tagger)
self.tb.connect (tagger, repacker)
self.tb.connect (repacker, penc)
self.tb.connect (penc, snk)
self.tb.run ()
result_data = snk.data ()
#print "\n RESULT DATA",result_data,"\n"
self.assertFloatTuplesAlmostEqual (expected_result, result_data)
def set_header_len(self, header_len):
self.header_len = header_len
self.set_header_formatter(
digital.packet_header_default(self.header_len, self.len_tag_key,
self.num_tag_key, 1))
self.blocks_stream_to_tagged_stream_0.set_packet_len(self.header_len)
self.blocks_stream_to_tagged_stream_0.set_packet_len_pmt(
self.header_len)
def test_003_12bits_formatter_object(self):
# 3 packets: | | | |
data, tags = self.setup_data_tags(((1, 2, 3, 4), (1, 2), (1, 2, 3, 4)))
src = blocks.vector_source_b(data, tags=tags)
formatter_object = digital.packet_header_default(12, self.tsb_key)
header = digital.packet_headergenerator_bb(
formatter_object.formatter(), self.tsb_key)
sink = blocks.vector_sink_b()
self.tb.connect(src, header, sink)
self.tb.run()
expected_data = (0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0)
self.assertEqual(sink.data(), expected_data)
def test_003_12bits_formatter_object (self):
# 3 packets: | | | |
data, tags = self.setup_data_tags(((1, 2, 3, 4), (1, 2), (1, 2, 3, 4)))
src = blocks.vector_source_b(data, tags=tags)
formatter_object = digital.packet_header_default(12, self.tsb_key)
header = digital.packet_headergenerator_bb(formatter_object.formatter(), self.tsb_key)
sink = blocks.vector_sink_b()
self.tb.connect(src, header, sink)
self.tb.run()
expected_data = (
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0
)
self.assertEqual(sink.data(), expected_data)
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Receiver")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1000000
##################################################
# Blocks
##################################################
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(1000000, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.low_pass_filter_0 = filter.interp_fir_filter_ccf(1, firdes.low_pass(
32, samp_rate, 0.45*samp_rate, 10000, firdes.WIN_HAMMING, 6.76))
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(digital.packet_header_default(40,"packet_len"))
self.digital_header_payload_demux_0 = digital.header_payload_demux(
40,
1,
0,
"packet_len",
'',
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(""),
0,
)
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=2,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.digital_crc32_bb_0_0 = digital.crc32_bb(True, "packet_len", True)
self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(digital.constellation_bpsk().base())
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(digital.constellation_bpsk().base())
self.blocks_tuntap_pdu_1 = blocks.tuntap_pdu('tun1', 10000, False)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, 'packet_len')
self.blocks_tag_debug_0 = blocks.tag_debug(gr.sizeof_char*1, 'test', ""); self.blocks_tag_debug_0.set_display(False)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(1, 8, "packet_len", True, gr.GR_LSB_FIRST)
self.blocks_float_to_char_0 = blocks.float_to_char(1, 1)
self.blks2_packet_decoder_0 = grc_blks2.packet_demod_c(grc_blks2.packet_decoder(
access_code='',
threshold=-1,
callback=lambda ok, payload: self.blks2_packet_decoder_0.recv_pkt(ok, payload),
),
)
self.analog_const_source_x_0 = analog.sig_source_f(0, analog.GR_CONST_WAVE, 0, 0, 1)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.blocks_tuntap_pdu_1, 'pdus'))
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_const_source_x_0, 0), (self.blocks_float_to_char_0, 0))
self.connect((self.blks2_packet_decoder_0, 0), (self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_float_to_char_0, 0), (self.digital_header_payload_demux_0, 1))
self.connect((self.blocks_repack_bits_bb_0_0, 0), (self.digital_crc32_bb_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_0, 0), (self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tag_debug_0, 0))
self.connect((self.digital_crc32_bb_0_0, 0), (self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.blks2_packet_decoder_0, 0))
self.connect((self.digital_header_payload_demux_0, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_header_payload_demux_0, 1), (self.digital_constellation_decoder_cb_0_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.digital_gmsk_demod_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.low_pass_filter_0, 0))
def __init__(self, corr_tag_delay=131):
gr.top_block.__init__(self, "Lab3 BER")
Qt.QWidget.__init__(self)
self.setWindowTitle("Lab3 BER")
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", "lab3_ber")
try:
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(
self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(self.settings.value("geometry"))
except:
pass
##################################################
# Parameters
##################################################
self.corr_tag_delay = corr_tag_delay
##################################################
# Variables
##################################################
self.rolloff = rolloff = 0.5
self.sps = sps = 4
self.snr_default = snr_default = 8.5
self.rolloff_ = rolloff_ = rolloff
self.payload_len = payload_len = 31
self.num_tag_key = num_tag_key = "packet_num"
self.nfilts_pfb = nfilts_pfb = 32
self.mark_delays = mark_delays = [0, 0, 34, 56, 87, 119]
self.len_tag_key = len_tag_key = "packet_length"
self.header_len = header_len = 32
self.cw_len = cw_len = 32
self.tag_s = tag_s = gr.tag_utils.python_to_tag(
(0, pmt.intern(len_tag_key), pmt.from_long(payload_len),
pmt.intern("vect_test_src")))
self.tag0 = tag0 = gr.tag_utils.python_to_tag(
(0, pmt.intern(len_tag_key), pmt.from_long(cw_len),
pmt.intern("vect_cw_src")))
self.sync_seq = sync_seq = [
1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, 1,
-1, 1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1,
-1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, -1,
-1, -1, 1, 1, 1, 1, 1, 1
]
self.snr_db = snr_db = snr_default
self.samp_rate = samp_rate = 1e3
self.rrc_filter = rrc_filter = firdes.root_raised_cosine(
4, sps, 1, rolloff_, 32 * sps + 1)
self.reset_ber = reset_ber = 0
self.pn_order = pn_order = np.round(np.log2(payload_len + 1))
self.pn6_padded = pn6_padded = [
1, 1, 1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1,
1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1,
1, 1, 1, 1, -1, -1, 1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, -1, 1,
-1, -1, -1 - 1 - 1, 0, 0, 0, 0, 0, 0, 0, 0, 0
]
self.pn6 = pn6 = [
1, 1, 1, 1, 1, 1, -1, 1, -1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, 1,
1, -1, 1, 1, -1, 1, -1, -1, 1, -1, -1, 1, 1, 1, -1, -1, -1, 1, -1,
1, 1, 1, 1, -1, -1, 1, -1, 1, -1, -1, -1, 1, 1, -1, -1, -1, -1, 1,
-1, -1, -1 - 1 - 1
]
self.pn5 = pn5 = [
1, -1, 1, -1, 1, 1, 1, -1, 1, 1, -1, -1, -1, 1, 1, 1, 1, 1, -1, -1,
1, 1, -1, 1, -1, -1, 1, -1, -1, -1, -1
]
self.pi = pi = np.pi
self.pfb_filter = pfb_filter = firdes.root_raised_cosine(
nfilts_pfb, nfilts_pfb * sps, 1, rolloff_,
nfilts_pfb * 11 * sps + 1)
self.mark_delay = mark_delay = mark_delays[sps]
self.header_formatter_0 = header_formatter_0 = digital.packet_header_default(
header_len, len_tag_key, num_tag_key, 1)
self.header_formatter = header_formatter = digital.packet_header_default(
header_len, len_tag_key, num_tag_key, 1)
self.fc = fc = 900e6
self.const = const = digital.constellation_calcdist(
digital.psk_2()[0],
digital.psk_2()[1], 2, 1).base()
self.buffer_size = buffer_size = 32768
self.bFilter = bFilter = 1
self.agc_rate = agc_rate = 1e-4
##################################################
# Blocks
##################################################
self._snr_db_range = Range(0, 20, 0.5, snr_default, 200)
self._snr_db_win = RangeWidget(self._snr_db_range, self.set_snr_db,
'SNR (dB)', "counter_slider", float)
self.top_grid_layout.addWidget(self._snr_db_win)
self._rolloff__range = Range(0.01, 0.99, 0.01, rolloff, 200)
self._rolloff__win = RangeWidget(self._rolloff__range,
self.set_rolloff_, 'Beta (Excess BW)',
"counter_slider", float)
self.top_grid_layout.addWidget(self._rolloff__win)
_reset_ber_push_button = Qt.QPushButton('Reset BER')
_reset_ber_push_button = Qt.QPushButton('Reset BER')
self._reset_ber_choices = {'Pressed': 1, 'Released': 0}
_reset_ber_push_button.pressed.connect(
lambda: self.set_reset_ber(self._reset_ber_choices['Pressed']))
_reset_ber_push_button.released.connect(
lambda: self.set_reset_ber(self._reset_ber_choices['Released']))
self.top_grid_layout.addWidget(_reset_ber_push_button)
# Create the options list
self._bFilter_options = (
1,
2,
)
# Create the labels list
self._bFilter_labels = (
'Raised Cosine (Mis-Matched)',
'Root Raised Cosine (Matched)',
)
# Create the combo box
self._bFilter_tool_bar = Qt.QToolBar(self)
self._bFilter_tool_bar.addWidget(Qt.QLabel('TX Filter Select' + ": "))
self._bFilter_combo_box = Qt.QComboBox()
self._bFilter_tool_bar.addWidget(self._bFilter_combo_box)
for _label in self._bFilter_labels:
self._bFilter_combo_box.addItem(_label)
self._bFilter_callback = lambda i: Qt.QMetaObject.invokeMethod(
self._bFilter_combo_box, "setCurrentIndex",
Qt.Q_ARG("int", self._bFilter_options.index(i)))
self._bFilter_callback(self.bFilter)
self._bFilter_combo_box.currentIndexChanged.connect(
lambda i: self.set_bFilter(self._bFilter_options[i]))
# Create the radio buttons
self.top_grid_layout.addWidget(self._bFilter_tool_bar)
self._agc_rate_range = Range(1e-4, 1e-3, 1e-4, 1e-4, 200)
self._agc_rate_win = RangeWidget(self._agc_rate_range,
self.set_agc_rate, 'AGC Decay Rate',
"counter_slider", float)
self.top_grid_layout.addWidget(self._agc_rate_win)
self.wes_packet_tx_0 = wes_packet_tx(
cw_len=cw_len,
payload_len=payload_len,
samp_rate=samp_rate,
)
self.wes_ber_0 = wes.ber(1, reset_ber)
self.qtgui_number_sink_0_0 = qtgui.number_sink(gr.sizeof_float, 0,
qtgui.NUM_GRAPH_NONE, 1)
self.qtgui_number_sink_0_0.set_update_time(0.10)
self.qtgui_number_sink_0_0.set_title("# of Errors")
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 range(1):
self.qtgui_number_sink_0_0.set_min(i, -1)
self.qtgui_number_sink_0_0.set_max(i, 1)
self.qtgui_number_sink_0_0.set_color(i, colors[i][0], colors[i][1])
if len(labels[i]) == 0:
self.qtgui_number_sink_0_0.set_label(i, "Data {0}".format(i))
else:
self.qtgui_number_sink_0_0.set_label(i, labels[i])
self.qtgui_number_sink_0_0.set_unit(i, units[i])
self.qtgui_number_sink_0_0.set_factor(i, factor[i])
self.qtgui_number_sink_0_0.enable_autoscale(False)
self._qtgui_number_sink_0_0_win = sip.wrapinstance(
self.qtgui_number_sink_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_number_sink_0_0_win)
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 range(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)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
1024, #size
"", #name
2 #number of inputs
)
self.qtgui_const_sink_x_0.set_update_time(0.10)
self.qtgui_const_sink_x_0.set_y_axis(-2, 2)
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)
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, 1, 0, 0, 0, 0, 0, 0, 0, 0]
markers = [0, -1, 0, 0, 0, 0, 0, 0, 0, 0]
alphas = [1.0, 0.5, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0, 1.0]
for i in range(2):
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)
self.pulse_shape_hier_0 = pulse_shape_hier(
bFilter=bFilter,
rect_taps=(1, 1, 1, 1),
roll_off=rolloff_,
sps=sps,
)
self.iio_pluto_source_0 = iio.pluto_source('', int(fc),
int(samp_rate * 1e3),
20000000, buffer_size, True,
True, True, 'manual', 18,
'', True)
self.iio_pluto_sink_0 = iio.pluto_sink('', int(fc),
int(samp_rate * 1e3), 20000000,
buffer_size, False, 10.0, '',
True)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, 2 * pi / 200, pfb_filter, nfilts_pfb, int(nfilts_pfb / 2),
0.5, 1)
self.digital_packet_headerparser_b_0_0 = digital.packet_headerparser_b(
header_formatter.formatter())
self.digital_header_payload_demux_0 = digital.header_payload_demux(
header_len, 1, 0, "packet_length", "corr_est", False,
gr.sizeof_gr_complex, "rx_time", 1, (), 0)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(
int(pn_order), True, 0, 1)
self.digital_diff_decoder_bb_0_0 = digital.diff_decoder_bb(2)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
2 * pi / 200, 2, False)
self.digital_corr_est_cc_0 = digital.corr_est_cc(
pn6_padded, 1, 64, 0.7, digital.THRESHOLD_ABSOLUTE)
self.digital_constellation_decoder_cb_0_0_0_0_0 = digital.constellation_decoder_cb(
const)
self.digital_constellation_decoder_cb_0_0_0_0 = digital.constellation_decoder_cb(
const)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_noise_source_x_0 = analog.noise_source_c(
analog.GR_GAUSSIAN,
np.sqrt(2) * np.sqrt(0.5 / np.power(10, snr_db / 10)), 0)
self.analog_agc_xx_0 = analog.agc_cc(agc_rate, 1.0, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect(
(self.digital_packet_headerparser_b_0_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.analog_agc_xx_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.analog_noise_source_x_0, 0),
(self.blocks_add_xx_0, 0))
self.connect((self.blocks_add_xx_0, 0),
(self.digital_constellation_decoder_cb_0_0_0_0_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_add_xx_0, 0), (self.qtgui_const_sink_x_0, 1))
self.connect((self.digital_constellation_decoder_cb_0_0_0_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_0_0_0_0, 0),
(self.digital_diff_decoder_bb_0_0, 0))
self.connect((self.digital_corr_est_cc_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.digital_packet_headerparser_b_0_0, 0))
self.connect((self.digital_diff_decoder_bb_0_0, 0),
(self.wes_ber_0, 0))
self.connect((self.digital_glfsr_source_x_0, 0), (self.wes_ber_0, 1))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.wes_packet_tx_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.blocks_add_xx_0, 1))
self.connect((self.digital_header_payload_demux_0, 0),
(self.digital_constellation_decoder_cb_0_0_0_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_corr_est_cc_0, 0))
self.connect((self.iio_pluto_source_0, 0), (self.analog_agc_xx_0, 0))
self.connect((self.pulse_shape_hier_0, 0), (self.iio_pluto_sink_0, 0))
self.connect((self.wes_ber_0, 0), (self.qtgui_number_sink_0, 0))
self.connect((self.wes_ber_0, 1), (self.qtgui_number_sink_0_0, 0))
self.connect((self.wes_packet_tx_0, 0), (self.pulse_shape_hier_0, 0))
def set_length_tag_key(self, length_tag_key):
self.length_tag_key = length_tag_key
self.set_header_formatter(digital.packet_header_default(self.hsize,self.length_tag_key))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Transmitter")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 1000000
##################################################
# Blocks
##################################################
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("addr==192.168.10.2", "")),
uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
"packet_len",
)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_center_freq(1000000, 0)
self.uhd_usrp_sink_0.set_gain(0, 0)
self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(digital.packet_header_default(40,"packet_len"), "packet_len")
self.digital_gmsk_mod_0 = digital.gmsk_mod(
samples_per_symbol=2,
bt=0.35,
verbose=False,
log=False,
)
self.digital_crc32_bb_0 = digital.crc32_bb(False, "packet_len", True)
self.digital_chunks_to_symbols_xx_1_0 = digital.chunks_to_symbols_bc((digital.constellation_bpsk().points()), 1)
self.digital_chunks_to_symbols_xx_1 = digital.chunks_to_symbols_bc((digital.constellation_bpsk().points()), 1)
self.blocks_tuntap_pdu_0 = blocks.tuntap_pdu('tun0', 10000, False)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_gr_complex*1, "packet_len", 0)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, 1, "packet_len", False, gr.GR_LSB_FIRST)
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, 'packet_len')
self.blks2_packet_encoder_0 = grc_blks2.packet_mod_c(grc_blks2.packet_encoder(
samples_per_symbol=2,
bits_per_symbol=1,
preamble='',
access_code='',
pad_for_usrp=False,
),
payload_length=0,
)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tuntap_pdu_0, 'pdus'), (self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.connect((self.blks2_packet_encoder_0, 0), (self.digital_gmsk_mod_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_chunks_to_symbols_xx_1_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_packet_headergenerator_bb_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blks2_packet_encoder_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.digital_crc32_bb_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_1, 0), (self.blocks_tagged_stream_mux_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_1_0, 0), (self.blocks_tagged_stream_mux_0, 1))
self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_gmsk_mod_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.digital_packet_headergenerator_bb_0, 0), (self.digital_chunks_to_symbols_xx_1, 0))
def __init__(self, cw_len=64, payload_len=255, samp_rate=1e6):
gr.hier_block2.__init__(
self,
"Wes Packet Tx",
gr.io_signature(1, 1, gr.sizeof_char * 1),
gr.io_signaturev(6, 6, [
gr.sizeof_gr_complex * 1, gr.sizeof_char * 1, gr.sizeof_char *
1, gr.sizeof_char * 1, gr.sizeof_char * 1, gr.sizeof_char * 1
]),
)
##################################################
# Parameters
##################################################
self.cw_len = cw_len
self.payload_len = payload_len
self.samp_rate = samp_rate
##################################################
# Variables
##################################################
self.num_tag_key = num_tag_key = "packet_num"
self.len_tag_key = len_tag_key = "packet_length"
self.header_len = header_len = 32
self.throttle_rate = throttle_rate = 100e3
self.tag_s = tag_s = gr.tag_utils.python_to_tag(
(0, pmt.intern(len_tag_key), pmt.from_long(payload_len),
pmt.intern("vect_test_src")))
self.tag0 = tag0 = gr.tag_utils.python_to_tag(
(0, pmt.intern(len_tag_key), pmt.from_long(cw_len),
pmt.intern("vect_cw_src")))
self.sync_seq = sync_seq = [
1, 1, -1, 1, -1, 1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, 1,
-1, 1, 1, -1, -1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, 1, 1,
-1, -1, 1, -1, -1, 1, -1, 1, -1, 1, -1, -1, -1, 1, -1, 1, 1, -1,
-1, -1, 1, 1, 1, 1, 1, 1
]
self.sync_len = sync_len = 63
self.sym_table = sym_table = [-1, 1]
self.pi = pi = 3.141592654
self.header_formatter = header_formatter = digital.packet_header_default(
header_len, len_tag_key, num_tag_key, 1)
self.diff_mod = diff_mod = 4
self.cw = cw = int((cw_len / 4)) * [1, 0, 1, 0]
self.const = const = digital.constellation_calcdist(
digital.psk_4()[0],
digital.psk_4()[1], 2, 1).base()
##################################################
# Blocks
##################################################
self.digital_packet_headergenerator_bb_0_0 = digital.packet_headergenerator_bb(
header_formatter.formatter(), len_tag_key)
self.digital_glfsr_source_x_0 = digital.glfsr_source_b(6, True, 0, 1)
self.digital_diff_encoder_bb_0_0 = digital.diff_encoder_bb(2)
self.digital_diff_encoder_bb_0 = digital.diff_encoder_bb(2)
self.digital_chunks_to_symbols_xx_0_0 = digital.chunks_to_symbols_bc(
(-1, 1), 1)
self.blocks_vector_source_x_0_0 = blocks.vector_source_b(
cw, True, 1, [tag0])
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(
gr.sizeof_char * 1, len_tag_key, 0)
self.blocks_tag_gate_0 = blocks.tag_gate(gr.sizeof_char * 1, False)
self.blocks_tag_gate_0.set_single_key("")
self.blocks_stream_to_tagged_stream_1 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, sync_len, "packet_length")
self.blocks_stream_to_tagged_stream_0_0_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, payload_len, len_tag_key)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, header_len, len_tag_key)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
1, 1, "packet_length", False, gr.GR_LSB_FIRST)
##################################################
# Connections
##################################################
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.digital_diff_encoder_bb_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0), (self, 5))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0_0, 0),
(self.digital_diff_encoder_bb_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0_0_0, 0),
(self.digital_packet_headergenerator_bb_0_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_1, 0),
(self.blocks_tagged_stream_mux_0, 1))
self.connect((self.blocks_stream_to_tagged_stream_1, 0), (self, 2))
self.connect((self.blocks_tag_gate_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0),
(self.digital_chunks_to_symbols_xx_0_0, 0))
self.connect((self.blocks_vector_source_x_0_0, 0),
(self.blocks_tagged_stream_mux_0, 0))
self.connect((self.blocks_vector_source_x_0_0, 0), (self, 1))
self.connect((self.digital_chunks_to_symbols_xx_0_0, 0), (self, 0))
self.connect((self.digital_diff_encoder_bb_0, 0),
(self.blocks_tagged_stream_mux_0, 2))
self.connect((self.digital_diff_encoder_bb_0, 0), (self, 4))
self.connect((self.digital_diff_encoder_bb_0_0, 0),
(self.blocks_tagged_stream_mux_0, 3))
self.connect((self.digital_diff_encoder_bb_0_0, 0), (self, 3))
self.connect((self.digital_glfsr_source_x_0, 0),
(self.blocks_stream_to_tagged_stream_1, 0))
self.connect((self.digital_packet_headergenerator_bb_0_0, 0),
(self.blocks_tag_gate_0, 0))
self.connect((self, 0), (self.blocks_stream_to_tagged_stream_0_0_0, 0))
def __init__(self, access_code_threshold=0, hw_sample_rate=1e7, resample_rate=100, sps=8):
gr.hier_block2.__init__(
self, "BPSK FHSS Modem V3",
gr.io_signature(1, 1, gr.sizeof_gr_complex*1),
gr.io_signature(1, 1, gr.sizeof_gr_complex*1),
)
self.message_port_register_hier_in("tx_freq_in")
self.message_port_register_hier_in("rx_freq_in")
self.message_port_register_hier_in("msg_in")
self.message_port_register_hier_out("msg_out")
##################################################
# Parameters
##################################################
self.access_code_threshold = access_code_threshold
self.hw_sample_rate = hw_sample_rate
self.resample_rate = resample_rate
self.sps = sps
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 100000
self.nfilts = nfilts = 32
self.excess_bw = excess_bw = 0.35
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), excess_bw, 5*sps*nfilts)
self.header_specs = header_specs = digital.packet_header_default(5,"packet_len","packet_num",8)
self.firdes_tap = firdes_tap = firdes.low_pass(1, samp_rate, 22000, 8000, firdes.WIN_BLACKMAN_HARRIS, 6.76)
self.BPSK = BPSK = digital.constellation_calcdist(([-1, 1]), ([0, 1]), 4, 1).base()
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0_0 = filter.rational_resampler_ccc(
interpolation=1,
decimation=resample_rate,
taps=None,
fractional_bw=None,
)
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=resample_rate,
decimation=1,
taps=None,
fractional_bw=None,
)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, (1, ), 1e5, samp_rate)
self.fft_filter_xxx_0 = filter.fft_filter_ccc(1, (firdes_tap), 1)
self.fft_filter_xxx_0.declare_sample_delay(0)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, .063, (rrc_taps), nfilts, nfilts/2, 1.5, 1)
self.digital_packet_headerparser_b_0 = digital.packet_headerparser_b(header_specs)
self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(header_specs, "pkt_len")
self.digital_header_payload_demux_0_0 = digital.header_payload_demux(
5,
1,
0,
"packet_len",
"packet_len",
False,
gr.sizeof_char,
"rx_time",
samp_rate,
(),
)
self.digital_crc32_async_bb_1 = digital.crc32_async_bb(False)
self.digital_crc32_async_bb_0 = digital.crc32_async_bb(True)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(3.14/100, 2, False)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=BPSK,
differential=False,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=excess_bw,
verbose=False,
log=False,
)
self.digital_binary_slicer_fb_0 = digital.binary_slicer_fb()
self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
self.blocks_tagged_stream_to_pdu_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, "packet_len")
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_char*1, "pkt_len", 0)
self.blocks_pdu_to_tagged_stream_0 = blocks.pdu_to_tagged_stream(blocks.byte_t, "pkt_len")
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_message_debug_0 = blocks.message_debug()
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "output.bin", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, 0, 1, 0)
self.analog_agc_xx_0 = analog.agc_cc(1e-4, 1.0, 1.0)
self.analog_agc_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.blocks_message_debug_0, 'print'))
self.msg_connect((self.blocks_tagged_stream_to_pdu_0, 'pdus'), (self.digital_crc32_async_bb_0, 'in'))
self.msg_connect((self.digital_crc32_async_bb_0, 'out'), (self.blocks_message_debug_0, 'print'))
self.msg_connect((self.digital_crc32_async_bb_0, 'out'), (self, 'msg_out'))
self.msg_connect((self.digital_crc32_async_bb_1, 'out'), (self.blocks_pdu_to_tagged_stream_0, 'pdus'))
self.msg_connect((self.digital_packet_headerparser_b_0, 'header_data'), (self.digital_header_payload_demux_0_0, 'header_data'))
self.msg_connect((self, 'tx_freq_in'), (self.analog_sig_source_x_0, 'freq'))
self.msg_connect((self, 'rx_freq_in'), (self.freq_xlating_fir_filter_xxx_0, 'freq'))
self.msg_connect((self, 'msg_in'), (self.digital_crc32_async_bb_1, 'in'))
self.connect((self.analog_agc_xx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_complex_to_real_0, 0), (self.digital_binary_slicer_fb_0, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.blocks_tagged_stream_mux_0, 1))
self.connect((self.blocks_pdu_to_tagged_stream_0, 0), (self.digital_packet_headergenerator_bb_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_constellation_modulator_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self.blocks_file_sink_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.blocks_unpacked_to_packed_xx_0, 0))
self.connect((self.digital_binary_slicer_fb_0, 0), (self.digital_header_payload_demux_0_0, 0))
self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.digital_header_payload_demux_0_0, 1), (self.blocks_tagged_stream_to_pdu_0, 0))
self.connect((self.digital_header_payload_demux_0_0, 0), (self.digital_packet_headerparser_b_0, 0))
self.connect((self.digital_packet_headergenerator_bb_0, 0), (self.blocks_tagged_stream_mux_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.fft_filter_xxx_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.fft_filter_xxx_0, 0))
self.connect((self, 0), (self.rational_resampler_xxx_0_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self, 0))
self.connect((self.rational_resampler_xxx_0_0, 0), (self.analog_agc_xx_0, 0))
def set_hsize(self, hsize):
self.hsize = hsize
self.set_header_formatter(digital.packet_header_default(self.hsize,self.length_tag_key))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
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", "top_block")
self.restoreGeometry(self.settings.value("geometry", type=QtCore.QByteArray))
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.length_tag_key = length_tag_key = "packet_len"
self.hsize = hsize = 10
self.variable_tag_object_3_0 = variable_tag_object_3_0 = gr.tag_utils.python_to_tag((0, pmt.intern("key"), pmt.intern("value"), pmt.intern("src")))
self.variable_tag_object_3 = variable_tag_object_3 = gr.tag_utils.python_to_tag((0, pmt.intern("key"), pmt.intern("value"), pmt.intern("src")))
self.timing_loop_bw = timing_loop_bw = 6.28/100.0
self.sym = sym = -1,1
self.samp_rate = samp_rate = 32000
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 11*sps*nfilts)
self.qpsk = qpsk = digital.constellation_qpsk().base()
self.phase_bw = phase_bw = 6.28/100.0
self.original = original = gr.tag_utils.python_to_tag((96, "original", 96, pmt.intern("src")))
self.header_formatter = header_formatter = digital.packet_header_default(hsize,length_tag_key)
self.excess_bw = excess_bw = 0.35
self.eq_gain = eq_gain = 0.01
self.arity = arity = 4
##################################################
# Blocks
##################################################
self._timing_loop_bw_range = Range(0.0, 0.2, 0.01, 6.28/100.0, 200)
self._timing_loop_bw_win = RangeWidget(self._timing_loop_bw_range, self.set_timing_loop_bw, 'Time: BW', "slider", float)
self.top_grid_layout.addWidget(self._timing_loop_bw_win, 6, 3, 1, 1)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(3, 4):
self.top_grid_layout.setColumnStretch(c, 1)
self._phase_bw_range = Range(0.0, 1.0, 0.01, 6.28/100.0, 200)
self._phase_bw_win = RangeWidget(self._phase_bw_range, self.set_phase_bw, 'Phase: Bandwidth', "dial", float)
self.top_grid_layout.addWidget(self._phase_bw_win, 6, 1, 1, 1)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(1, 2):
self.top_grid_layout.setColumnStretch(c, 1)
self._eq_gain_range = Range(0.0, 0.1, 0.001, 0.01, 200)
self._eq_gain_win = RangeWidget(self._eq_gain_range, self.set_eq_gain, 'Equalizer: rate (Gain)', "slider", float)
self.top_grid_layout.addWidget(self._eq_gain_win, 6, 2, 1, 1)
for r in range(6, 7):
self.top_grid_layout.setRowStretch(r, 1)
for c in range(2, 3):
self.top_grid_layout.setColumnStretch(c, 1)
self.digital_packet_headergenerator_bb_0 = digital.packet_headergenerator_bb(header_formatter.formatter(), "original")
self.digital_crc32_bb_0 = digital.crc32_bb(False, "original", True)
self.digital_chunks_to_symbols_xx_0 = digital.chunks_to_symbols_bc((qpsk.points()), 1)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
self.blocks_tagged_stream_mux_0 = blocks.tagged_stream_mux(gr.sizeof_char*1, "original", 0)
self.blocks_tag_debug_1_1_0_0_1_0 = blocks.tag_debug(gr.sizeof_char*1, 'Tx Bytes_Mux', ""); self.blocks_tag_debug_1_1_0_0_1_0.set_display(True)
self.blocks_tag_debug_1_1_0_0 = blocks.tag_debug(gr.sizeof_gr_complex*1, 'Tx Bytes_Symbols', ""); self.blocks_tag_debug_1_1_0_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(gr.sizeof_char, 1, 96, "original")
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(8, 2, "original", False, gr.GR_LSB_FIRST)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/andre/Desktop/transmit_maior.txt', False)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_repack_bits_bb_0, 0), (self.blocks_tagged_stream_mux_0, 1))
self.connect((self.blocks_repack_bits_bb_0, 0), (self.digital_packet_headergenerator_bb_0, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.blocks_tag_debug_1_1_0_0_1_0, 0))
self.connect((self.blocks_tagged_stream_mux_0, 0), (self.digital_chunks_to_symbols_xx_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.digital_crc32_bb_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0, 0), (self.blocks_tag_debug_1_1_0_0, 0))
self.connect((self.digital_crc32_bb_0, 0), (self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_packet_headergenerator_bb_0, 0), (self.blocks_tagged_stream_mux_0, 0))
import numpy from gnuradio import digital #from gnuradio.digital.utils import tagged_streams length_tag_name = "packet_len" num_tag_name = "packet_num" # header info bits_per_header=12+16+8; header_mod = digital.constellation_bpsk(); symbols_per_header = bits_per_header/header_mod.bits_per_symbol() if (1.0*bits_per_header)/header_mod.bits_per_symbol() != symbols_per_header: print "Error in evaluating symbols per header; adjusting bits per header" bits_per_header=(symbols_per_header+1)*header_mod.bits_per_symbol() symbols_per_header = bits_per_header/header_mod.bits_per_symbol() header_formatter = digital.packet_header_default(bits_per_header, length_tag_name,num_tag_name,header_mod.bits_per_symbol()); print "symbols_per_header=",symbols_per_header #payload info payload_bytes_per_frame = 50; crc_bytes=4; coded_payload_bytes_per_frame = payload_bytes_per_frame+crc_bytes payload_mod = digital.constellation_qpsk() coded_payload_symbols_per_frame = (coded_payload_bytes_per_frame * 8)/payload_mod.bits_per_symbol() if (coded_payload_bytes_per_frame * 8.0)/payload_mod.bits_per_symbol() != coded_payload_symbols_per_frame: print "Error in evaluating payload symbols per frame; adjusting payload bytes per frame" # add code to fix payload_bytes_per_frame
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Top Block")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Variables
##################################################
self.length_tag_key = length_tag_key = "packet_len"
self.hsize = hsize = 96
self.sym = sym = -1, 1
self.samp_rate = samp_rate = 32000
self.header_formatter = header_formatter = digital.packet_header_default(
hsize, length_tag_key)
self.hdr_format = hdr_format = digital.header_format_default(
digital.packet_utils.default_access_code, 1, 1)
self.const = const = digital.constellation_calcdist(
(digital.psk_2()[0]), (digital.psk_2()[1]), 2, 1).base()
self.const.gen_soft_dec_lut(8)
##################################################
# Blocks
##################################################
self.digital_packet_headerparser_b_0_0 = digital.packet_headerparser_b(
header_formatter)
self.digital_packet_headergenerator_bb_0_0 = digital.packet_headergenerator_bb(
header_formatter.formatter(), "packet_len")
self.digital_header_payload_demux_0 = digital.header_payload_demux(
hdr_format.header_nbits(),
1,
0,
length_tag_key,
length_tag_key,
True,
gr.sizeof_gr_complex,
"rx_time",
samp_rate,
(),
0,
)
self.digital_constellation_decoder_cb_0_1 = digital.constellation_decoder_cb(
const.base())
self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(
const.base())
self.digital_chunks_to_symbols_xx_0_1 = digital.chunks_to_symbols_bc(
(const.points()), 1)
self.digital_chunks_to_symbols_xx_0_0_0 = digital.chunks_to_symbols_bc(
(const.points()), 1)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate,
True)
self.blocks_tagged_stream_mux_0_0 = blocks.tagged_stream_mux(
gr.sizeof_gr_complex * 1, length_tag_key, 0)
self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(
gr.sizeof_gr_complex * 1, length_tag_key, 8)
self.blocks_tag_debug_1_0 = blocks.tag_debug(gr.sizeof_char * 1,
'Rx Bytes', "")
self.blocks_tag_debug_1_0.set_display(True)
self.blocks_stream_to_tagged_stream_0 = blocks.stream_to_tagged_stream(
gr.sizeof_char, 1, 96, length_tag_key)
self.blocks_repack_bits_bb_0_3_0 = blocks.repack_bits_bb(
8, 1, length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_3 = blocks.repack_bits_bb(
8, 1, length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0_0_0 = blocks.repack_bits_bb(
const.bits_per_symbol(), 8, '', False, gr.GR_LSB_FIRST)
self.blocks_repack_bits_bb_0_0 = blocks.repack_bits_bb(
const.bits_per_symbol(), 8, length_tag_key, False, gr.GR_LSB_FIRST)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1, '/home/andre/Desktop/transmit_maior.txt',
False)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
self.blocks_file_sink_0_1 = blocks.file_sink(
gr.sizeof_char * 1, '/home/andre/Desktop/transmitido/depois.txt',
False)
self.blocks_file_sink_0_1.set_unbuffered(False)
##################################################
# Connections
##################################################
self.msg_connect(
(self.digital_packet_headerparser_b_0_0, 'header_data'),
(self.digital_header_payload_demux_0, 'header_data'))
self.connect((self.blocks_file_source_0, 0),
(self.blocks_stream_to_tagged_stream_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0),
(self.blocks_file_sink_0_1, 0))
self.connect((self.blocks_repack_bits_bb_0_0, 0),
(self.blocks_tag_debug_1_0, 0))
self.connect((self.blocks_repack_bits_bb_0_0_0_0, 0),
(self.digital_packet_headerparser_b_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_3, 0),
(self.digital_chunks_to_symbols_xx_0_0_0, 0))
self.connect((self.blocks_repack_bits_bb_0_3_0, 0),
(self.digital_chunks_to_symbols_xx_0_1, 0))
self.connect((self.blocks_stream_to_tagged_stream_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.blocks_tagged_stream_multiply_length_0, 0),
(self.digital_constellation_decoder_cb_0_0, 0))
self.connect((self.blocks_tagged_stream_mux_0_0, 0),
(self.digital_header_payload_demux_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_repack_bits_bb_0_3, 0))
self.connect((self.blocks_throttle_0, 0),
(self.digital_packet_headergenerator_bb_0_0, 0))
self.connect((self.digital_chunks_to_symbols_xx_0_0_0, 0),
(self.blocks_tagged_stream_mux_0_0, 1))
self.connect((self.digital_chunks_to_symbols_xx_0_1, 0),
(self.blocks_tagged_stream_mux_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_0, 0),
(self.blocks_repack_bits_bb_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_1, 0),
(self.blocks_repack_bits_bb_0_0_0_0, 0))
self.connect((self.digital_header_payload_demux_0, 1),
(self.blocks_tagged_stream_multiply_length_0, 0))
self.connect((self.digital_header_payload_demux_0, 0),
(self.digital_constellation_decoder_cb_0_1, 0))
self.connect((self.digital_packet_headergenerator_bb_0_0, 0),
(self.blocks_repack_bits_bb_0_3_0, 0))
