def __init__(self, vlen_in=1, vlen_out=1, n_tailbits=1, denom_mother_code_rate=1, gen_poly=0, bits_per_symbol=1, map_tab=0, pp_0=0, interl_seq_0_2=(0,1), interl_seq_1_2=(0,1), pp_1_tail=0, pp_1=0, pp_0_tail=0, M_total=0, part_len_top=3, part_len_bot=3):
gr.hier_block2.__init__(
self, "MLC 16QAM",
gr.io_signature(1, 1, gr.sizeof_char*1),
gr.io_signature(1, 1, gr.sizeof_gr_complex*1),
)
##################################################
# Parameters
##################################################
self.vlen_in = vlen_in
self.vlen_out = vlen_out
self.n_tailbits = n_tailbits
self.denom_mother_code_rate = denom_mother_code_rate
self.gen_poly = gen_poly
self.bits_per_symbol = bits_per_symbol
self.map_tab = map_tab
self.pp_0 = pp_0
self.interl_seq_0_2 = interl_seq_0_2
self.interl_seq_1_2 = interl_seq_1_2
self.pp_1_tail = pp_1_tail
self.pp_1 = pp_1
self.pp_0_tail = pp_0_tail
self.M_total = M_total
self.part_len_top = part_len_top
self.part_len_bot = part_len_bot
##################################################
# Blocks
##################################################
self.trellis_encoder_xx_top = trellis.encoder_bb(trellis.fsm(1, denom_mother_code_rate, gen_poly), 0, 0) if False else trellis.encoder_bb(trellis.fsm(1, denom_mother_code_rate, gen_poly), 0)
self.trellis_encoder_xx_bot = trellis.encoder_bb(trellis.fsm(1, denom_mother_code_rate, gen_poly), 0, 0) if False else trellis.encoder_bb(trellis.fsm(1, denom_mother_code_rate, gen_poly), 0)
self.drm_qam_map_bc_0 = drm.qam_map_bc(map_tab, bits_per_symbol, vlen_out, 2)
self.drm_punct_bb_top = drm.punct_bb(pp_0, pp_0_tail, (part_len_top + n_tailbits) * denom_mother_code_rate, vlen_out * 2, n_tailbits * denom_mother_code_rate)
self.drm_punct_bb_bot = drm.punct_bb(pp_1, pp_1_tail, (part_len_bot + n_tailbits) * denom_mother_code_rate, vlen_out * 2, n_tailbits * denom_mother_code_rate)
self.drm_partitioning_16_bb_0 = drm.partitioning_bb(vlen_in, M_total)
self.drm_interleaver_bb_top = drm.interleaver_bb((interl_seq_0_2))
self.drm_interleaver_bb_bot = drm.interleaver_bb((interl_seq_1_2))
self.drm_add_tailbits_bb_top = drm.add_tailbits_bb(part_len_top, n_tailbits)
self.drm_add_tailbits_bb_bot = drm.add_tailbits_bb(part_len_bot, n_tailbits)
self.blocks_unpack_k_bits_bb_top = blocks.unpack_k_bits_bb(denom_mother_code_rate)
self.blocks_unpack_k_bits_bb_bot = blocks.unpack_k_bits_bb(denom_mother_code_rate)
##################################################
# Connections
##################################################
self.connect((self.blocks_unpack_k_bits_bb_bot, 0), (self.drm_punct_bb_bot, 0))
self.connect((self.blocks_unpack_k_bits_bb_top, 0), (self.drm_punct_bb_top, 0))
self.connect((self.drm_add_tailbits_bb_bot, 0), (self.trellis_encoder_xx_bot, 0))
self.connect((self.drm_add_tailbits_bb_top, 0), (self.trellis_encoder_xx_top, 0))
self.connect((self.drm_interleaver_bb_bot, 0), (self.drm_qam_map_bc_0, 1))
self.connect((self.drm_interleaver_bb_top, 0), (self.drm_qam_map_bc_0, 0))
self.connect((self.drm_partitioning_16_bb_0, 1), (self.drm_add_tailbits_bb_bot, 0))
self.connect((self.drm_partitioning_16_bb_0, 0), (self.drm_add_tailbits_bb_top, 0))
self.connect((self.drm_punct_bb_bot, 0), (self.drm_interleaver_bb_bot, 0))
self.connect((self.drm_punct_bb_top, 0), (self.drm_interleaver_bb_top, 0))
self.connect((self.drm_qam_map_bc_0, 0), (self, 0))
self.connect((self, 0), (self.drm_partitioning_16_bb_0, 0))
self.connect((self.trellis_encoder_xx_bot, 0), (self.blocks_unpack_k_bits_bb_bot, 0))
self.connect((self.trellis_encoder_xx_top, 0), (self.blocks_unpack_k_bits_bb_top, 0))
def test_001_t(self):
"""test_001_t: modulator check"""
param = namedtuple('param', 'data_src bit_rate samp_rate')
tb = self.tb
param.bit_rate = 1000
param.samp_rate = 2000
param.data_src = (0, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 1, 1, 1, 1, 0, 0, 0,
0, 1, 0, 1)
print_parameters(param)
encoder_variable = fec.cc_encoder_make(1, 7, 2, ([79, -109]), 0,
fec.CC_STREAMING, False)
srcdir = os.environ['srcdir']
src = blocks.file_source(
gr.sizeof_char * 1,
os.path.join(srcdir, "test_files", "CADU_incl_ASM.bin"), False)
src_expected = blocks.file_source(
gr.sizeof_char * 1,
os.path.join(srcdir, "test_files",
"Convolutionally_encoded_CADU.bin"), False)
pack1 = blocks.unpack_k_bits_bb(8)
pack2 = blocks.unpack_k_bits_bb(8)
dst = blocks.vector_sink_b()
dst_expected = blocks.vector_sink_b()
head = blocks.head(gr.sizeof_char, 2040)
conv = fec.extended_encoder(encoder_obj_list=encoder_variable,
threading='capillary',
puncpat='11')
# conv = fec.encoder(encoder_variable, gr.sizeof_char, gr.sizeof_char)
tb.connect(src, pack1)
tb.connect(pack1, conv)
tb.connect(conv, dst)
tb.connect(src_expected, pack2)
tb.connect(pack2, dst_expected)
self.tb.run()
data_out = dst.data()
expected_data = dst_expected.data()
print(len(data_out))
self.assertFloatTuplesAlmostEqual(data_out, expected_data)
def test_003(self):
#Tags on the incoming bytes
src_data = [2, 3, 0, 1]
src_tag_offsets = [0, 1, 1, 2, 3]
#Ground Truth
expected_data = [1, 0, 1, 1, 0, 0, 0, 1]
expected_tag_offsets = [0, 2, 2, 4, 6]
test_tags = list()
tag_indexs = range(len(src_tag_offsets))
for src_tag in tag_indexs:
test_tags.append(
gr.tag_utils.python_to_tag(
(src_tag_offsets[src_tag], pmt.intern('tag_byte'),
pmt.from_long(src_tag), None)))
src = blocks.vector_source_b(src_data, False, 1, test_tags)
op = blocks.unpack_k_bits_bb(2)
dst = blocks.vector_sink_b()
self.tb.connect(src, op, dst)
self.tb.run()
# Check the data
self.assertEqual(expected_data, dst.data())
# Check the tag values
self.assertEqual(list(tag_indexs),
[pmt.to_python(x.value) for x in dst.tags()])
# Check the tag offsets
self.assertEqual(expected_tag_offsets, [x.offset for x in dst.tags()])
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
self.delay = delay = 0
##################################################
# Blocks
##################################################
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate * 20,True)
self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8)
self.blocks_head_1 = blocks.head(gr.sizeof_char*1, int(7 * 200e3 * 15/15))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/rcampello/Main/FixedPath/OOT Gnuradio/gr-ITpp/examples/BPSK Ladams/27-06-2019 (BER Sem Diff)/Com C\xc3\xb3digo/output2.data', True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, '/home/rcampello/Main/FixedPath/OOT Gnuradio/gr-ITpp/examples/BPSK Ladams/27-06-2019 (BER Sem Diff)/Com C\xc3\xb3digo/output3.data', False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_delay_0 = blocks.delay(gr.sizeof_char*1, int(delay))
self.ITpp_BCH_Decoder_0 = ITpp.BCH_Decoder(15, 2)
##################################################
# Connections
##################################################
self.connect((self.ITpp_BCH_Decoder_0, 0), (self.blocks_pack_k_bits_bb_1, 0))
self.connect((self.blocks_delay_0, 0), (self.ITpp_BCH_Decoder_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_head_1, 0), (self.blocks_file_sink_0, 0))
self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_head_1, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_delay_0, 0))
def test_001_t (self):
raw_data = (0, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 0, 1, 0, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 0, 1, 1, 1, 1, 0, 1, 1, 0, 1, 0, 1, 1, 0, 1, 1, 0, 1, 0, 1, 0, 0, 1, 1, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 1, 0, 1, 1, 0, 0, 0, 1, 1, 1, 0, 0, 1, 0, 1, 1, 1, 1, 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0, 1, 1, 1, 0, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0);
encoded = (28,28,28,228,228,28,28,228,28,228,228,28,28,228,28,28,28,228,228,28,28,228,28,28,28,228,228,228,228,28,228,228,28,228,28,228,228,228,228,28,228,228,28,28,228,28,28,28,228,28,28,28,228,28,28,28,228,228,228,28,228,228,28,28,228,28,28,28,228,28,28,228,28,228,228,28,28,228,28,28,28,28,28,228,228,28,28,228,28,28,28,28,28,28,28,28,28,228,228,28,28,228,28,228,228,228,228,28,228,228,28,28,228,228,228,28,228,228,28,28,228,28,28,28,228,28,28,228,28,228,228,228,228,228,28,228,28,28,28,228,228,228,228,228,28,28,228,228,228,228,28,28,228,228,228,228,28,228,28,28,28,228,228,228,228,228,28,28,228,228,228,28,228,28,228,228,28,28,228,228,228,228,28,28,228,28,28,28,228,228,228,228,28,28,228,228,228,228,28,28,228,28,28,28,228,28,28,228,28,228,228,228,228,228,28,28,228,228,228,228,28,228,28,228,228,228,228,28,228,228,28,228,28,28,28,28,28,28,28,28,28,228,228,28,28,228,28,228,228,28,28,228,28,228,228,28,28,228,28,228,228,28,28,28,228,28,28,28,228,28,28,228,28,28,28,228,228,28,28,28,228,28,28,28,228,28,28,228,28,28,28,228,228,28,28,28,228,28,28,28,228,28,28,228,28,28,28,228,228,28,28,228,28,28,28,228,228,228,228,228,28,28,228,228,228,228,28,228,28,28,28,228,228,228,228,28,228,228,28,228,28,228,228,28,28,28,228,228,228,28,228,28,228,228,28,28,228,28,28,228,28,228,228,228,228,28,228,28,228,28,228,28,228,28,228,228,28,228,28,228,228,228,228,28,228,228,28,28,228,228,228,28,228,228,28,228,28,228,228,28,28,28,228,28,28,228,28,28,28,28,28,28,28,28,28,28);
sz = len(encoded)
#print (sz)
self.blocks_vector_source = blocks.vector_source_b(encoded, False, 1, tagged_streams.make_lengthtags((sz,), (0,), "packet_len"));
self.decoder = ieee802_15_4a.viterbi (0, 100, 5, 4);
self.blocks_unpacket_bits = blocks.unpack_k_bits_bb(8);
self.sink = blocks.vector_sink_b(1)
self.sink_outfile = blocks.file_sink (1, "output_out_viterbi.txt")
self.tb.connect (self.blocks_vector_source, self.decoder)
self.tb.connect (self.decoder, self.blocks_unpacket_bits)
self.tb.connect (self.blocks_unpacket_bits, self.sink)
#self.tb.connect (self.blocks_vector_source, self.blocks_unpacket_bits)
#self.tb.connect (self.decoder, self.sink)
self.tb.connect (self.blocks_unpacket_bits, self.sink_outfile)
# set up fg
self.tb.run ()
# check data
decoded_data = self.sink.data()
#print (len(raw_data))
#print (len(decoded_data))
# check data
self.assertEqual(raw_data, decoded_data)
def __init__(self, constellation, differential, rotation):
if constellation.arity() > 256:
# If this becomes limiting some of the blocks should be generalised so
# that they can work with shorts and ints as well as chars.
raise ValueError("Constellation cannot contain more than 256 points.")
gr.hier_block2.__init__(
self,
"mod_demod",
gr.io_signature(1, 1, gr.sizeof_char), # Input signature
gr.io_signature(1, 1, gr.sizeof_char),
) # Output signature
arity = constellation.arity()
# TX
self.constellation = constellation
self.differential = differential
import weakref
self.blocks = [weakref.proxy(self)]
# We expect a stream of unpacked bits.
# First step is to pack them.
self.blocks.append(blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST))
# Second step we unpack them such that we have k bits in each byte where
# each constellation symbol hold k bits.
self.blocks.append(blocks.packed_to_unpacked_bb(self.constellation.bits_per_symbol(), gr.GR_MSB_FIRST))
# Apply any pre-differential coding
# Gray-coding is done here if we're also using differential coding.
if self.constellation.apply_pre_diff_code():
self.blocks.append(digital.map_bb(self.constellation.pre_diff_code()))
# Differential encoding.
if self.differential:
self.blocks.append(digital.diff_encoder_bb(arity))
# Convert to constellation symbols.
self.blocks.append(
digital.chunks_to_symbols_bc(self.constellation.points(), self.constellation.dimensionality())
)
# CHANNEL
# Channel just consists of a rotation to check differential coding.
if rotation is not None:
self.blocks.append(blocks.multiply_const_cc(rotation))
# RX
# Convert the constellation symbols back to binary values.
self.blocks.append(digital.constellation_decoder_cb(self.constellation.base()))
# Differential decoding.
if self.differential:
self.blocks.append(digital.diff_decoder_bb(arity))
# Decode any pre-differential coding.
if self.constellation.apply_pre_diff_code():
self.blocks.append(digital.map_bb(mod_codes.invert_code(self.constellation.pre_diff_code())))
# unpack the k bit vector into a stream of bits
self.blocks.append(blocks.unpack_k_bits_bb(self.constellation.bits_per_symbol()))
# connect to block output
check_index = len(self.blocks)
self.blocks = self.blocks[:check_index]
self.blocks.append(weakref.proxy(self))
self.connect(*self.blocks)
def __init__(self):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
##################################################
# Blocks
##################################################
self.blocks_vector_source_x_0 = blocks.vector_source_b((225, 67, 255),
True, 1, [])
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate,
True)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_head_0 = blocks.head(gr.sizeof_char * 1, 1500000)
##################################################
# Connections
##################################################
self.connect((self.blocks_head_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blocks_head_0, 0))
self.connect((self.blocks_vector_source_x_0, 0),
(self.blocks_throttle_0, 0))
def __init__(self, delay):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
self.delay = delay = delay
##################################################
# Blocks
##################################################
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate * 20,True)
self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8)
self.blocks_head_1 = blocks.head(gr.sizeof_char*1, 393460)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, '/home/rcampello/Main/FixedPath/OOT Gnuradio/gr-ITpp/examples/Simula\xc3\xa7\xc3\xa3o BPSK/Transmiss\xc3\xa3o RedDot Usando ConstellationMod/output.data', True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, '/home/rcampello/Main/FixedPath/OOT Gnuradio/gr-ITpp/examples/Simula\xc3\xa7\xc3\xa3o BPSK/Transmiss\xc3\xa3o RedDot Usando ConstellationMod/output2.data', False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_delay_0 = blocks.delay(gr.sizeof_char*1, int(delay))
self.ITpp_BCH_Decoder_0 = ITpp.BCH_Decoder(15, 2)
##################################################
# Connections
##################################################
self.connect((self.ITpp_BCH_Decoder_0, 0), (self.blocks_pack_k_bits_bb_1, 0))
self.connect((self.blocks_delay_0, 0), (self.ITpp_BCH_Decoder_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_head_1, 0), (self.blocks_file_sink_0, 0))
self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_head_1, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_delay_0, 0))
def __init__(self, data_size, enc, dec, threading):
gr.top_block.__init__(self, "_qa_helper")
self.puncpat = puncpat = '11'
self.enc = enc
self.dec = dec
self.data_size = data_size
self.threading = threading
self.ext_encoder = extended_encoder(enc, threading=self.threading, puncpat=self.puncpat)
self.ext_decoder= extended_decoder(dec, threading=self.threading, ann=None,
puncpat=self.puncpat, integration_period=10000)
self.src = blocks.vector_source_b(data_size*[0, 1, 2, 3, 5, 7, 9, 13, 15, 25, 31, 45, 63, 95, 127], False)
self.unpack = blocks.unpack_k_bits_bb(8)
self.map = map_bb([-1, 1])
self.to_float = blocks.char_to_float(1)
self.snk_input = blocks.vector_sink_b()
self.snk_output = blocks.vector_sink_b()
self.connect(self.src, self.unpack, self.ext_encoder)
self.connect(self.ext_encoder, self.map, self.to_float)
self.connect(self.to_float, self.ext_decoder)
self.connect(self.unpack, self.snk_input)
self.connect(self.ext_decoder, self.snk_output)
def __init__(self, n_bits=1000, bits_per_symbol=3):
gr.hier_block2.__init__(
self, "Custom Ber",
gr.io_signaturev(2, 2, [gr.sizeof_char*1, gr.sizeof_char*1]),
gr.io_signature(1, 1, gr.sizeof_float*1),
)
##################################################
# Parameters
##################################################
self.n_bits = n_bits
self.bits_per_symbol = bits_per_symbol
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 8e6
##################################################
# Blocks
##################################################
self.blocks_xor_xx_0 = blocks.xor_bb()
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(bits_per_symbol)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_moving_average_xx_0 = blocks.moving_average_ff(n_bits, 1/float(n_bits), n_bits*4)
##################################################
# Connections
##################################################
self.connect((self.blocks_moving_average_xx_0, 0), (self, 0))
self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_moving_average_xx_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_uchar_to_float_0, 0))
self.connect((self.blocks_xor_xx_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self, 1), (self.blocks_xor_xx_0, 1))
self.connect((self, 0), (self.blocks_xor_xx_0, 0))
def __init__(self, source_array):
gr.top_block.__init__(self, "Top Block")
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 32000
self.source_tuple = source_array
##################################################
# Blocks
##################################################
self.blocks_vector_source_x_0 = blocks.vector_source_b(
self.source_tuple, True, 1, [])
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
# self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char * 1, samp_rate,
True)
# self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_float*1)
self.blocks_head_0 = blocks.head(gr.sizeof_char * 1, 8 * 3)
self.sink = blocks.vector_sink_b()
##################################################
# Connections
##################################################
self.connect((self.blocks_head_0, 0), (self.sink, 0))
self.connect((self.blocks_throttle_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
# self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_head_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blocks_head_0, 0))
self.connect((self.blocks_vector_source_x_0, 0),
(self.blocks_throttle_0, 0))
def __init__(self, data_size, enc, dec, threading):
gr.top_block.__init__(self, "_qa_helper")
self.puncpat = puncpat = '11'
self.enc = enc
self.dec = dec
self.data_size = data_size
self.threading = threading
self.ext_encoder = extended_encoder(enc,
threading=self.threading,
puncpat=self.puncpat)
self.ext_decoder = extended_decoder(dec,
threading=self.threading,
ann=None,
puncpat=self.puncpat,
integration_period=10000)
self.src = blocks.vector_source_b(
data_size * [0, 1, 2, 3, 5, 7, 9, 13, 15, 25, 31, 45, 63, 95, 127],
False)
self.unpack = blocks.unpack_k_bits_bb(8)
self.map = map_bb([-1, 1])
self.to_float = blocks.char_to_float(1)
self.snk_input = blocks.vector_sink_b()
self.snk_output = blocks.vector_sink_b()
self.connect(self.src, self.unpack, self.ext_encoder)
self.connect(self.ext_encoder, self.map, self.to_float)
self.connect(self.to_float, self.ext_decoder)
self.connect(self.unpack, self.snk_input)
self.connect(self.ext_decoder, self.snk_output)
def test_003_asm_mask (self):
# asm with errors
asm = (0x1f, 0xcf, 0xf0, 0x1d)
frame_len = 223
random_data = tuple(random.randint(0, 255) for _ in range(frame_len))
data_in = asm + random_data
src = blocks.vector_source_b(data_in, repeat=True)
unpack = blocks.unpack_k_bits_bb(8)
mapper = digital.map_bb((1,0))
# mask to ignore errors
corr = ccsds.correlator(0x1acffc1d, 0xf0fff0ff, 0, frame_len)
dbg = blocks.message_debug()
self.tb.connect(src, unpack, mapper, corr)
self.tb.msg_connect((corr, 'out'), (dbg, 'store'))
self.tb.start()
while dbg.num_messages() < 1:
time.sleep(0.001)
self.tb.stop()
self.tb.wait()
msg = dbg.get_message(0)
data_out = tuple(pmt.to_python(pmt.cdr(msg)))
assert frame_len == len(data_out)
assert random_data == data_out
def setup_bpsk0(self):
self.tb = gr.top_block()
# Build the constellation object
arity = 2
bps = 1
pts, code = digital.psk_2_0x0()
constellation = digital.constellation_psk(pts, code, 2)
# Create BPSK data to pass to the demodulator
src = blocks.vector_source_b(self.src_data_bpsk)
p2u = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
mod = digital.generic_mod(constellation, True, self.sps, True, self.eb)
snk = blocks.vector_sink_c()
tb = gr.top_block()
tb.connect(src, p2u, mod, snk)
tb.run()
self.src = blocks.vector_source_c(snk.data())
self.freq_recov = digital.fll_band_edge_cc(self.sps, self.eb,
self.fll_ntaps, self.freq_bw)
self.time_recov = digital.pfb_clock_sync_ccf(self.sps, self.timing_bw, self.taps,
self.nfilts, self.nfilts//2, self.timing_max_dev)
self.receiver = digital.constellation_receiver_cb(
constellation.base(), self.phase_bw, self.fmin, self.fmax)
self.diffdec = digital.diff_decoder_bb(arity)
self.symbol_mapper = digital.map_bb(
mod_codes.invert_code(constellation.pre_diff_code()))
self.unpack = blocks.unpack_k_bits_bb(bps)
self.snk = blocks.null_sink(gr.sizeof_char)
self.tb.connect(self.src, self.freq_recov, self.time_recov, self.receiver)
self.tb.connect(self.receiver, self.diffdec, self.symbol_mapper, self.unpack)
self.tb.connect(self.unpack, self.snk)
def setup_bpsk0(self):
self.tb = gr.top_block()
# Build the constellation object
arity = 2
bps = 1
pts, code = digital.psk_2_0x0()
constellation = digital.constellation_psk(pts, code, 2)
# Create BPSK data to pass to the demodulator
src = blocks.vector_source_b(self.src_data_bpsk)
p2u = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
mod = digital.generic_mod(constellation, True, self.sps, True, self.eb)
snk = blocks.vector_sink_c()
tb = gr.top_block()
tb.connect(src, p2u, mod, snk)
tb.run()
self.src = blocks.vector_source_c(snk.data())
self.freq_recov = digital.fll_band_edge_cc(self.sps, self.eb,
self.fll_ntaps, self.freq_bw)
self.time_recov = digital.pfb_clock_sync_ccf(self.sps, self.timing_bw, self.taps,
self.nfilts, self.nfilts//2, self.timing_max_dev)
self.receiver = digital.constellation_receiver_cb(
constellation.base(), self.phase_bw, self.fmin, self.fmax)
self.diffdec = digital.diff_decoder_bb(arity)
self.symbol_mapper = digital.map_bb(
mod_codes.invert_code(constellation.pre_diff_code()))
self.unpack = blocks.unpack_k_bits_bb(bps)
self.snk = blocks.null_sink(gr.sizeof_char)
self.tb.connect(self.src, self.freq_recov, self.time_recov, self.receiver)
self.tb.connect(self.receiver, self.diffdec, self.symbol_mapper, self.unpack)
self.tb.connect(self.unpack, self.snk)
def __init__(self, constellation, differential, rotation):
if constellation.arity() > 256:
# If this becomes limiting some of the blocks should be generalised so
# that they can work with shorts and ints as well as chars.
raise ValueError("Constellation cannot contain more than 256 points.")
gr.hier_block2.__init__(self, "mod_demod",
gr.io_signature(1, 1, gr.sizeof_char), # Input signature
gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
arity = constellation.arity()
# TX
self.constellation = constellation
self.differential = differential
import weakref
self.blocks = [weakref.proxy(self)]
# We expect a stream of unpacked bits.
# First step is to pack them.
self.blocks.append(blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST))
# Second step we unpack them such that we have k bits in each byte where
# each constellation symbol hold k bits.
self.blocks.append(
blocks.packed_to_unpacked_bb(self.constellation.bits_per_symbol(),
gr.GR_MSB_FIRST))
# Apply any pre-differential coding
# Gray-coding is done here if we're also using differential coding.
if self.constellation.apply_pre_diff_code():
self.blocks.append(digital.map_bb(self.constellation.pre_diff_code()))
# Differential encoding.
if self.differential:
self.blocks.append(digital.diff_encoder_bb(arity))
# Convert to constellation symbols.
self.blocks.append(digital.chunks_to_symbols_bc(self.constellation.points(),
self.constellation.dimensionality()))
# CHANNEL
# Channel just consists of a rotation to check differential coding.
if rotation is not None:
self.blocks.append(blocks.multiply_const_cc(rotation))
# RX
# Convert the constellation symbols back to binary values.
self.blocks.append(digital.constellation_decoder_cb(self.constellation.base()))
# Differential decoding.
if self.differential:
self.blocks.append(digital.diff_decoder_bb(arity))
# Decode any pre-differential coding.
if self.constellation.apply_pre_diff_code():
self.blocks.append(digital.map_bb(
mod_codes.invert_code(self.constellation.pre_diff_code())))
# unpack the k bit vector into a stream of bits
self.blocks.append(blocks.unpack_k_bits_bb(
self.constellation.bits_per_symbol()))
# connect to block output
check_index = len(self.blocks)
self.blocks = self.blocks[:check_index]
self.blocks.append(weakref.proxy(self))
self.connect(*self.blocks)
def __init__(self): gr.hier_block2.__init__(self, "dvb_convolutional_encoder_bb", gr.io_signature(1, 1, gr.sizeof_char), # Input signature gr.io_signature(1, 1, gr.sizeof_char)) # Output signature self.encoder = trellis.encoder_bb(trellis.fsm(dvb.k, dvb.n, G), dvb.dimensionality) self.unpack = blocks.unpack_k_bits_bb(dvb.dimensionality) self.connect(self, self.encoder, self.unpack, self)
def test_002(self):
src_data = ( 2, 3, 0, 1)
expected_results = (1,0,1,1,0,0,0,1)
src = blocks.vector_source_b(src_data,False)
op = blocks.unpack_k_bits_bb(2)
dst = blocks.vector_sink_b()
self.tb.connect(src, op, dst)
self.tb.run()
self.assertEqual(expected_results, dst.data())
def add_mobile_station(self,station_id):
"""
Adds new receiver mobile station. Station ID must be unique. Initializes
BER reference source.
"""
# Initialize
id_src = self._control._id_source
dmux = self._data_multiplexer
port = self._data_multiplexer_nextport
self._data_multiplexer_nextport += 1
# Setup
ctrl_port = self._control.add_mobile_station(station_id)
options = self._options
if options.imgxfer:
ref_src = ofdm.imgtransfer_src( options.img )
else:
ref_src = ber_reference_source(self._options)
if(options.coding):
## Encoder
encoder = self._encoder = ofdm.encoder_bb(fo,0)
unpack = self._unpack = blocks.unpack_k_bits_bb(2)
## Puncturing
if not options.nopunct:
puncturing = self._puncturing = puncture_bb(options.subcarriers)
#sah = gr.sample_and_hold_bb()
#sah_trigger = blocks.vector_source_b([1,0],True)
#decim_sah=gr.keep_one_in_n(gr.sizeof_char,2)
self.connect(self._bitmap_trigger_puncturing,(puncturing,2))
frametrigger_bitmap_filter = blocks.vector_source_b([1,0],True)
bitmap_filter = self._puncturing_bitmap_src_filter = skip(gr.sizeof_char*options.subcarriers,2)# skip_known_symbols(frame_length,subcarriers)
bitmap_filter.skip_call(0)
#self.connect(self._bitmap_src_puncturing,bitmap_filter,(puncturing,1))
self.connect(self._map_src,bitmap_filter,(puncturing,1))
self.connect(frametrigger_bitmap_filter,(bitmap_filter,1))
#bmt = gr.char_to_float()
#self.connect(bitmap_filter,blocks.vector_to_stream(gr.sizeof_char,options.subcarriers), bmt)
#log_to_file(self, bmt, "data/bitmap_filter_tx.float")
self.connect((self._control,ctrl_port),ref_src,encoder,unpack)
if not options.nopunct:
self.connect(unpack,puncturing,(dmux,port))
#self.connect(sah_trigger, (sah,1))
else:
self.connect(unpack,(dmux,port))
else:
self.connect((self._control,ctrl_port),ref_src,(dmux,port))
if options.log and options.coding:
log_to_file(self, encoder, "data/encoder_out.char")
log_to_file(self, ref_src, "data/reference_data_src.char")
log_to_file(self, unpack, "data/encoder_unpacked_out.char")
if not options.nopunct:
log_to_file(self, puncturing, "data/puncturing_out.char")
def test_003(self):
src_data = expected_results = map(lambda x: random.randint(0,3), range(10));
src = blocks.vector_source_b( src_data );
pack = blocks.pack_k_bits_bb(2);
unpack = blocks.unpack_k_bits_bb(2);
snk = blocks.vector_sink_b();
self.tb.connect(src,unpack,pack,snk);
self.tb.run()
self.assertEqual(list(expected_results), list(snk.data()));
def test_003(self):
src_data = expected_results = [random.randint(0, 3) for x in range(10)]
src = blocks.vector_source_b(src_data)
pack = blocks.pack_k_bits_bb(2)
unpack = blocks.unpack_k_bits_bb(2)
snk = blocks.vector_sink_b()
self.tb.connect(src, unpack, pack, snk)
self.tb.run()
self.assertEqual(list(expected_results), list(snk.data()))
def test_002(self):
src_data = [2, 3, 0, 1]
expected_results = [1, 0, 1, 1, 0, 0, 0, 1]
src = blocks.vector_source_b(src_data, False)
op = blocks.unpack_k_bits_bb(2)
dst = blocks.vector_sink_b()
self.tb.connect(src, op, dst)
self.tb.run()
self.assertEqual(expected_results, dst.data())
def __init__(self,
generic_encoder=0,
generic_decoder=0,
esno=0,
samp_rate=3200000,
threading="capillary",
puncpat='11',
seed=0):
gr.hier_block2.__init__(self, "fec_test",
gr.io_signature(1, 1, gr.sizeof_char * 1),
gr.io_signature(2, 2, gr.sizeof_char * 1))
self.generic_encoder = generic_encoder
self.generic_decoder = generic_decoder
self.esno = esno
self.samp_rate = samp_rate
self.threading = threading
self.puncpat = puncpat
self.map_bb = digital.map_bb(([-1, 1]))
self.b2f = blocks.char_to_float(1, 1)
self.unpack8 = blocks.unpack_k_bits_bb(8)
self.pack8 = blocks.pack_k_bits_bb(8)
self.encoder = extended_encoder(encoder_obj_list=generic_encoder,
threading=threading,
puncpat=puncpat)
self.decoder = extended_decoder(decoder_obj_list=generic_decoder,
threading=threading,
ann=None,
puncpat=puncpat,
integration_period=10000,
rotator=None)
noise = math.sqrt((10.0**(-esno / 10.0)) / 2.0)
#self.fastnoise = analog.fastnoise_source_f(analog.GR_GAUSSIAN, noise, seed, 8192)
self.fastnoise = analog.noise_source_f(analog.GR_GAUSSIAN, noise, seed)
self.addnoise = blocks.add_ff(1)
# Send packed input directly to the second output
self.copy_packed = blocks.copy(gr.sizeof_char)
self.connect(self, self.copy_packed)
self.connect(self.copy_packed, (self, 1))
# Unpack inputl encode, convert to +/-1, add noise, decode, repack
self.connect(self, self.unpack8)
self.connect(self.unpack8, self.encoder)
self.connect(self.encoder, self.map_bb)
self.connect(self.map_bb, self.b2f)
self.connect(self.b2f, (self.addnoise, 0))
self.connect(self.fastnoise, (self.addnoise, 1))
self.connect(self.addnoise, self.decoder)
self.connect(self.decoder, self.pack8)
self.connect(self.pack8, (self, 0))
def __init__(self):
gr.hier_block2.__init__(
self,
"Bit Error Rate",
gr.io_signaturev(2, 2, [gr.sizeof_char * 1, gr.sizeof_char * 1]),
gr.io_signature(1, 1, gr.sizeof_float * 1),
)
##################################################
# Variables
##################################################
self._msgLength_config = ConfigParser.ConfigParser()
self._msgLength_config.read("./configs/sdrConfig.txt")
try:
msgLength = self._msgLength_config.getint("main", "key")
except:
msgLength = 10000
self.msgLength = msgLength
self._bits_per_byte_config = ConfigParser.ConfigParser()
self._bits_per_byte_config.read("./configs/sdrConfig.txt")
try:
bits_per_byte = self._bits_per_byte_config.getint("main", "key")
except:
bits_per_byte = 8
self.bits_per_byte = bits_per_byte
intdecim = 100000
if msgLength < intdecim:
intdecim = msgLength
##################################################
# Blocks
##################################################
self.blocks_xor_xx_0 = blocks.xor_bb()
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(bits_per_byte)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff(
(1.0 / msgLength, ))
self.blocks_integrate_xx_0 = blocks.integrate_ff(intdecim)
##################################################
# Connections
##################################################
self.connect((self.blocks_integrate_xx_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self, 1), (self.blocks_xor_xx_0, 1))
self.connect((self, 0), (self.blocks_xor_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self, 0))
self.connect((self.blocks_xor_xx_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blocks_uchar_to_float_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0),
(self.blocks_integrate_xx_0, 0))
def __init__(self, bw_clock_sync=2*math.pi/100, bw_fll=math.pi/1600, bw_costas=2*math.pi/100, n_filts=32, len_sym_srrc=7, constellation=digital.constellation_calcdist([-1-1j, 1-1j, 1+1j, -1+1j], [], 4, 1).base(), samp_per_sym=3, alfa=0.35, bits_per_sym=2, alpha_probe=0.1, th_probe=0):
gr.hier_block2.__init__(
self, "Hier Rx",
gr.io_signature(1, 1, gr.sizeof_gr_complex*1),
gr.io_signature(1, 1, gr.sizeof_char*1),
)
##################################################
# Parameters
##################################################
self.bw_clock_sync = bw_clock_sync
self.bw_fll = bw_fll
self.bw_costas = bw_costas
self.n_filts = n_filts
self.len_sym_srrc = len_sym_srrc
self.constellation = constellation
self.samp_per_sym = samp_per_sym
self.alfa = alfa
self.bits_per_sym = bits_per_sym
self.alpha_probe = alpha_probe
self.th_probe = th_probe
##################################################
# Variables
##################################################
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)
##################################################
# Blocks
##################################################
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(samp_per_sym, bw_clock_sync, (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, bw_fll)
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(bw_costas, 2**bits_per_sym)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(constellation)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(bits_per_sym)
self.analog_probe_avg_mag_sqrd_x_0 = analog.probe_avg_mag_sqrd_c(th_probe, alpha_probe)
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.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.analog_agc2_xx_0, 0), (self.digital_fll_band_edge_cc_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))
self.connect((self, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self, 0))
self.connect((self, 0), (self.analog_probe_avg_mag_sqrd_x_0, 0))
def setup_test06(self):
print "... benchmarking QPSK + 1/2 mapper"
self.mode = 2
bitspermode = [0.5, 1, 1.5, 2, 3, 4, 4.5, 5, 6]
self.nobits = (bitspermode[self.mode - 1])
self.data_subcarriers = 200
self.blks = self.N * (int(10 * self.nobits) + 1)
self.tb = gr.top_block()
self.encoder = self._encoder = trellis.encoder_bb(self.fo, 0)
self.unpack = self._unpack = blocks.unpack_k_bits_bb(2)
self.puncturing = puncture_bb(self.data_subcarriers)
bmaptrig_stream_puncturing = [1] + [0] * (10 / 2 - 1)
self.bitmap_trigger_puncturing = blocks.vector_source_b(
bmaptrig_stream_puncturing, True)
if self.interleave:
int_object = trellis.interleaver(2000, 666)
self.interlv = trellis.permutation(int_object.K(),
int_object.INTER(), 1,
gr.sizeof_char)
#self.bitmap = [self.nobits]*self.data_subcarriers
self.bitmap = [self.mode] * self.data_subcarriers + [
self.mode
] * self.data_subcarriers
#self.bmaptrig_stream = [1, 1]+[0]*(11-2)
self.bitdata = [
randint(0, 1) for i in range(self.blks * self.data_subcarriers)
]
#self.data = numpy.array(self.bitdata)*(-2)+1
self.src = blocks.vector_source_b(self.bitdata)
self.bitmap_src = blocks.vector_source_b(self.bitmap, True,
self.data_subcarriers)
#self.bitmap_trigger = blocks.vector_source_b(self.bmaptrig_stream, True)
self.modulator = generic_mapper_bcv(self.data_subcarriers, self.coding,
10)
self.snk = blocks.null_sink(gr.sizeof_gr_complex *
self.data_subcarriers)
#Connect blocks
self.tb.connect(self.src, self.encoder, self.unpack,
self.puncturing) #, self.modulator, self.snk)
if self.interleave:
self.tb.connect(self.puncturing, self.interlv, self.modulator,
self.snk)
else:
self.tb.connect(self.puncturing, self.modulator, self.snk)
self.tb.connect(self.bitmap_src, (self.modulator, 1))
self.tb.connect(self.bitmap_src, (self.puncturing, 1))
self.tb.connect(self.bitmap_trigger_puncturing, (self.puncturing, 2))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
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").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 10
self.baud_rate = baud_rate = 9600
self.samp_rate_tx = samp_rate_tx = 4003200
self.samp_rate = samp_rate = sps * baud_rate
self.freq = freq = 435e6
##################################################
# Blocks
##################################################
self.utat_endurosat_frame_sync_bb_0 = utat.endurosat_frame_sync_bb()
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_char * 1)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1,
"/home/ryan/Dev/ground-station/tests/rx_test/bin/tx_message.bin",
False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.utat_endurosat_frame_sync_bb_0, 0))
self.connect((self.utat_endurosat_frame_sync_bb_0, 0),
(self.blocks_null_sink_0, 0))
def __init__(self, bits_per_byte):
gr.hier_block2.__init__(self, "BitErrors",
gr.io_signature(2, 2, gr.sizeof_char),
gr.io_signature(1, 1, gr.sizeof_int))
# Bit comparison
comp = blocks.xor_bb()
intdump_decim = 100000
if N_BITS < intdump_decim:
intdump_decim = int(N_BITS)
self.connect(self, comp, blocks.unpack_k_bits_bb(bits_per_byte),
blocks.uchar_to_float(),
blocks.integrate_ff(intdump_decim),
blocks.multiply_const_ff(1.0 / N_BITS), self)
self.connect((self, 1), (comp, 1))
def __init__(self, generic_encoder=0, generic_decoder=0, esno=0,
samp_rate=3200000, threading="capillary", puncpat='11',
seed=0):
gr.hier_block2.__init__(self, "fec_test",
gr.io_signature(1, 1, gr.sizeof_char*1),
gr.io_signature(2, 2, gr.sizeof_char*1))
self.generic_encoder = generic_encoder
self.generic_decoder = generic_decoder
self.esno = esno
self.samp_rate = samp_rate
self.threading = threading
self.puncpat = puncpat
self.map_bb = digital.map_bb(([-1, 1]))
self.b2f = blocks.char_to_float(1, 1)
self.unpack8 = blocks.unpack_k_bits_bb(8)
self.pack8 = blocks.pack_k_bits_bb(8)
self.encoder = extended_encoder(encoder_obj_list=generic_encoder,
threading=threading,
puncpat=puncpat)
self.decoder = extended_decoder(decoder_obj_list=generic_decoder,
threading=threading,
ann=None, puncpat=puncpat,
integration_period=10000, rotator=None)
noise = math.sqrt((10.0**(-esno/10.0))/2.0)
#self.fastnoise = analog.fastnoise_source_f(analog.GR_GAUSSIAN, noise, seed, 8192)
self.fastnoise = analog.noise_source_f(analog.GR_GAUSSIAN, noise, seed)
self.addnoise = blocks.add_ff(1)
# Send packed input directly to the second output
self.copy_packed = blocks.copy(gr.sizeof_char)
self.connect(self, self.copy_packed)
self.connect(self.copy_packed, (self, 1))
# Unpack inputl encode, convert to +/-1, add noise, decode, repack
self.connect(self, self.unpack8)
self.connect(self.unpack8, self.encoder)
self.connect(self.encoder, self.map_bb)
self.connect(self.map_bb, self.b2f)
self.connect(self.b2f, (self.addnoise, 0))
self.connect(self.fastnoise, (self.addnoise,1))
self.connect(self.addnoise, self.decoder)
self.connect(self.decoder, self.pack8)
self.connect(self.pack8, (self, 0))
def __init__(self, parameter_0=0):
gr.top_block.__init__(self, "gfsk_tx")
##################################################
# Parameters
##################################################
self.parameter_0 = parameter_0
##################################################
# Variables
##################################################
self.transmission_rate = transmission_rate = 200e3
self.samp_rate = samp_rate = 4e6
##################################################
# Blocks
##################################################
self.vlc_vlc_packet_source_b_0 = vlc.vlc_packet_source_b(
'vlc_gr_server')
self.vlc_vlc_board_interface_b_0 = vlc.vlc_board_interface_b(
'192.168.1.24', 7777, 6666, 256)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
self.blocks_repeat_0 = blocks.repeat(
gr.sizeof_float * 1, int(samp_rate / transmission_rate * 32))
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_ff(255)
self.blocks_float_to_uchar_0 = blocks.float_to_uchar()
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
##################################################
# Connections
##################################################
self.msg_connect(
(self.vlc_vlc_board_interface_b_0, 'vlc_board_int_msg_out'),
(self.vlc_vlc_packet_source_b_0, 'vlc_pkt_src_msg_in'))
self.connect((self.blocks_char_to_float_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_float_to_uchar_0, 0),
(self.vlc_vlc_board_interface_b_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.blocks_repeat_0, 0))
self.connect((self.blocks_repeat_0, 0),
(self.blocks_float_to_uchar_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.vlc_vlc_packet_source_b_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
def __init__(self, pkt_len, nb_pkt, EbN0dB, fsm):
gr.top_block.__init__(self,
"Transmitter, channel and metrics computation")
##################################################
# Variables
##################################################
self.pkt_len = pkt_len
Rc = 0.5
self.const = const = digital.constellation_bpsk().base()
var_c = 1
Nb = 1
Eb = var_c / (2.0 * Nb * Rc)
N0 = Eb * 10**(-EbN0dB / 10.0)
noisevar = 2 * N0
##################################################
# Blocks
##################################################
self.bits_src = blocks.vector_source_b(
map(int, numpy.random.randint(0, 2, nb_pkt * pkt_len)), False)
self.trellis_encoder = trellis.encoder_bb(trellis.fsm(fsm), 0, pkt_len)
self.unpack = blocks.unpack_k_bits_bb(2)
self.to_symbols = digital.chunks_to_symbols_bc((const.points()), 1)
self.noise_src = analog.noise_source_c(analog.GR_GAUSSIAN, noisevar, 0)
self.noise_adder = blocks.add_vcc(1)
self.metrics_computer = trellis.metrics_c(
4, 2, ([-1, -1, -1, 1, 1, -1, 1, 1]), digital.TRELLIS_EUCLIDEAN)
self.dst = blocks.vector_sink_f()
##################################################
# Connections
##################################################
self.connect((self.bits_src, 0), (self.trellis_encoder, 0))
self.connect((self.trellis_encoder, 0), (self.unpack, 0))
self.connect((self.unpack, 0), (self.to_symbols, 0))
self.connect((self.to_symbols, 0), (self.noise_adder, 0))
self.connect((self.noise_src, 0), (self.noise_adder, 1))
self.connect((self.noise_adder, 0), (self.metrics_computer, 0))
self.connect((self.metrics_computer, 0), (self.dst, 0))
def __init__(self, bits_per_byte):
gr.hier_block2.__init__(self, "BitErrors",
gr.io_signature(2, 2, gr.sizeof_char),
gr.io_signature(1, 1, gr.sizeof_int))
# Bit comparison
comp = blocks.xor_bb()
intdump_decim = 100000
if N_BITS < intdump_decim:
intdump_decim = int(N_BITS)
self.connect(self,
comp,
blocks.unpack_k_bits_bb(bits_per_byte),
blocks.uchar_to_float(),
blocks.integrate_ff(intdump_decim),
blocks.multiply_const_ff(1.0 / N_BITS),
self)
self.connect((self, 1), (comp, 1))
def __init__(self):
gr.hier_block2.__init__(
self, "Bit Error Rate",
gr.io_signaturev(2, 2, [gr.sizeof_char*1, gr.sizeof_char*1]),
gr.io_signature(1, 1, gr.sizeof_float*1),
)
##################################################
# Variables
##################################################
self._msgLength_config = ConfigParser.ConfigParser()
self._msgLength_config.read("./configs/sdrConfig.txt")
try: msgLength = self._msgLength_config.getint("main", "key")
except: msgLength = 10000
self.msgLength = msgLength
self._bits_per_byte_config = ConfigParser.ConfigParser()
self._bits_per_byte_config.read("./configs/sdrConfig.txt")
try: bits_per_byte = self._bits_per_byte_config.getint("main", "key")
except: bits_per_byte = 8
self.bits_per_byte = bits_per_byte
intdecim = 100000
if msgLength < intdecim:
intdecim = msgLength
##################################################
# Blocks
##################################################
self.blocks_xor_xx_0 = blocks.xor_bb()
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(bits_per_byte)
self.blocks_uchar_to_float_0 = blocks.uchar_to_float()
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((1.0/msgLength, ))
self.blocks_integrate_xx_0 = blocks.integrate_ff(intdecim)
##################################################
# Connections
##################################################
self.connect((self.blocks_integrate_xx_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self, 1), (self.blocks_xor_xx_0, 1))
self.connect((self, 0), (self.blocks_xor_xx_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self, 0))
self.connect((self.blocks_xor_xx_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_uchar_to_float_0, 0))
self.connect((self.blocks_uchar_to_float_0, 0), (self.blocks_integrate_xx_0, 0))
def sim ( self, arity, snr_db, N ):
vlen = 1
N = int( N )
snr = 10.0**(snr_db/10.0)
sigpow = 1.0
noise_pow = sigpow / snr
demapper = ofdm.generic_demapper_vcb( vlen )
const = demapper.get_constellation( arity )
assert( len( const ) == 2**arity )
symsrc = ofdm.symbol_random_src( const, vlen )
noise_src = ofdm.complex_white_noise( 0.0, sqrt( noise_pow ) )
channel = blocks.add_cc()
bitmap_src = blocks.vector_source_b( [arity] * vlen, True, vlen )
bm_trig_src = blocks.vector_source_b( [1], True )
ref_bitstream = blocks.unpack_k_bits_bb( arity )
bitstream_xor = blocks.xor_bb()
bitstream_c2f = blocks.char_to_float()
acc_biterr = ofdm.accumulator_ff()
skiphead = blocks.skiphead( gr.sizeof_float, N-1 )
limit = blocks.head( gr.sizeof_float, 1 )
dst = blocks.vector_sink_f()
tb = gr.top_block ( "test_block" )
tb.connect( (symsrc,0), (channel,0) )
tb.connect( noise_src, (channel,1) )
tb.connect( channel, (demapper,0), (bitstream_xor,0) )
tb.connect( bitmap_src, (demapper,1) )
tb.connect( bm_trig_src, (demapper,2) )
tb.connect( (symsrc,1), ref_bitstream, (bitstream_xor,1) )
tb.connect( bitstream_xor, bitstream_c2f, acc_biterr )
tb.connect( acc_biterr, skiphead, limit, dst )
tb.run()
bit_errors = numpy.array( dst.data() )
assert( len( bit_errors ) == 1 )
bit_errors = bit_errors[0]
return bit_errors / N
def setup_test06(self):
print "... benchmarking QPSK + 1/2 mapper"
self.mode = 2
bitspermode= [0.5,1,1.5,2,3,4,4.5,5,6]
self.nobits = (bitspermode[self.mode-1])
self.data_subcarriers = 200
self.blks = self.N*(int(10*self.nobits) +1)
self.tb = gr.top_block()
self.encoder = self._encoder = trellis.encoder_bb(self.fo,0)
self.unpack = self._unpack = blocks.unpack_k_bits_bb(2)
self.puncturing = puncture_bb(self.data_subcarriers)
bmaptrig_stream_puncturing = [1]+[0]*(10/2-1)
self.bitmap_trigger_puncturing = blocks.vector_source_b(bmaptrig_stream_puncturing, True)
if self.interleave:
int_object=trellis.interleaver(2000,666)
self.interlv = trellis.permutation(int_object.K(),int_object.INTER(),1,gr.sizeof_char)
#self.bitmap = [self.nobits]*self.data_subcarriers
self.bitmap = [self.mode]*self.data_subcarriers + [self.mode]*self.data_subcarriers
#self.bmaptrig_stream = [1, 1]+[0]*(11-2)
self.bitdata = [randint(0,1) for i in range(self.blks*self.data_subcarriers)]
#self.data = numpy.array(self.bitdata)*(-2)+1
self.src = blocks.vector_source_b(self.bitdata)
self.bitmap_src = blocks.vector_source_b(self.bitmap,True, self.data_subcarriers)
#self.bitmap_trigger = blocks.vector_source_b(self.bmaptrig_stream, True)
self.modulator = generic_mapper_bcv(self.data_subcarriers,self.coding,10)
self.snk = blocks.null_sink(gr.sizeof_gr_complex*self.data_subcarriers)
#Connect blocks
self.tb.connect(self.src,self.encoder,self.unpack,self.puncturing)#, self.modulator, self.snk)
if self.interleave:
self.tb.connect(self.puncturing,self.interlv, self.modulator, self.snk)
else:
self.tb.connect(self.puncturing, self.modulator, self.snk)
self.tb.connect(self.bitmap_src, (self.modulator,1))
self.tb.connect(self.bitmap_src, (self.puncturing,1))
self.tb.connect(self.bitmap_trigger_puncturing, (self.puncturing,2))
def __init__(self, vlen_in=1, vlen_out=1, n_tailbits=1, denom_mother_code_rate=1, map_tab=0, interl_seq=(0,1), bits_per_symbol=1, pp=0, pp_tail=0, gen_poly=0):
gr.hier_block2.__init__(
self, "MLC 4QAM",
gr.io_signature(1, 1, gr.sizeof_char*1),
gr.io_signature(1, 1, gr.sizeof_gr_complex*1),
)
##################################################
# Parameters
##################################################
self.vlen_in = vlen_in
self.vlen_out = vlen_out
self.n_tailbits = n_tailbits
self.denom_mother_code_rate = denom_mother_code_rate
self.map_tab = map_tab
self.interl_seq = interl_seq
self.bits_per_symbol = bits_per_symbol
self.pp = pp
self.pp_tail = pp_tail
self.gen_poly = gen_poly
##################################################
# Blocks
##################################################
self.trellis_encoder_xx_0 = trellis.encoder_bb(trellis.fsm(1, denom_mother_code_rate, gen_poly), 0, 0) if False else trellis.encoder_bb(trellis.fsm(1, denom_mother_code_rate, gen_poly), 0)
self.drm_qam_map_bc_0 = drm.qam_map_bc(map_tab, bits_per_symbol, vlen_out, 1)
self.drm_punct_bb_0 = drm.punct_bb(pp, pp_tail, (vlen_in + n_tailbits) * denom_mother_code_rate, vlen_out * 2, n_tailbits * denom_mother_code_rate)
self.drm_interleaver_bb_0 = drm.interleaver_bb(((interl_seq)))
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(denom_mother_code_rate)
self.add_tailbits_bb_0 = drm.add_tailbits_bb(vlen_in, n_tailbits)
##################################################
# Connections
##################################################
self.connect((self.add_tailbits_bb_0, 0), (self.trellis_encoder_xx_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.drm_punct_bb_0, 0))
self.connect((self.drm_interleaver_bb_0, 0), (self.drm_qam_map_bc_0, 0))
self.connect((self.drm_punct_bb_0, 0), (self.drm_interleaver_bb_0, 0))
self.connect((self.drm_qam_map_bc_0, 0), (self, 0))
self.connect((self, 0), (self.add_tailbits_bb_0, 0))
self.connect((self.trellis_encoder_xx_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
def __init__(self,
bits_per_symbol=_def_bits_per_symbol,
differential=_def_differential,
mod_code=_def_mod_code,
debug=False):
#GNURadio constructor
gr.hier_block2.__init__(self, "psk_constellation_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex),
gr.io_signature(1, 1, gr.sizeof_char))
#Init internal attributes and basic building blocks
self._bits_per_symbol = bits_per_symbol
self._constellation_points = pow(2, bits_per_symbol)
self._constellation = psk_constellation(self._constellation_points,
mod_code, differential)
self._constellation_decoder = digital_swig.constellation_decoder_cb(
self._constellation.base())
self._differential = differential
self._mod_code = mod_code
self._pre_diff_code = self._constellation.apply_pre_diff_code()
if self._differential:
self._diffdec = digital_swig.diff_decoder_bb(
self._constellation_points)
if self._pre_diff_code:
self._symbol_mapper = digital_swig.map_bb(
mod_codes.invert_code(self._constellation.pre_diff_code()))
# unpack the k bit vector into a stream of bits
self.unpack = blocks.unpack_k_bits_bb(self.bits_per_symbol())
# Connect and Initialize base class
self._blocks = [self, self._constellation_decoder]
if self._differential:
self._blocks.append(self._diffdec)
if self._pre_diff_code:
self._blocks.append(self._symbol_mapper)
self._blocks += [self.unpack, self]
if debug:
self.debug_internal_state()
self.connect(*self._blocks)
def test_modulator(self, param):
"""this function run the defined test, for easier understanding"""
tb = self.tb
src = blocks.file_source(gr.sizeof_char * 1,
'../python/test_files/CADU.bin', False)
pack = blocks.unpack_k_bits_bb(8)
dst = blocks.vector_sink_b()
head = blocks.head(gr.sizeof_char, len(param.data_src))
nrzl = ecss.nrzl_encoder(param.bit_rate, param.samp_rate)
tb.connect(src, pack)
tb.connect(pack, dst)
self.tb.run()
out = dst.data()
return out
def __init__(self):
gr.top_block.__init__(self, "Byte Construction")
Qt.QWidget.__init__(self)
self.setWindowTitle("Byte Construction")
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", "byte_construction")
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(
self.settings.value("geometry", type=QtCore.QByteArray))
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.timing_loop_bw = timing_loop_bw = 6.28 / 100.0
self.time_offset = time_offset = 1.00
self.taps = taps = [1.0, 0.25 - 0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
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_rect(([
0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j
]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
self.phase_bw = phase_bw = 6.28 / 100.0
self.noise_volt = noise_volt = 0.0001
self.freq_offset = freq_offset = 0
self.excess_bw = excess_bw = 0.35
self.eq_gain = eq_gain = 0.01
self.delay = delay = 58
self.arity = arity = 4
##################################################
# Blocks
##################################################
self.controls = Qt.QTabWidget()
self.controls_widget_0 = Qt.QWidget()
self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.controls_widget_0)
self.controls_grid_layout_0 = Qt.QGridLayout()
self.controls_layout_0.addLayout(self.controls_grid_layout_0)
self.controls.addTab(self.controls_widget_0, 'Channel')
self.controls_widget_1 = Qt.QWidget()
self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.controls_widget_1)
self.controls_grid_layout_1 = Qt.QGridLayout()
self.controls_layout_1.addLayout(self.controls_grid_layout_1)
self.controls.addTab(self.controls_widget_1, 'Receiver')
self.top_grid_layout.addWidget(self.controls, 0, 0, 1, 2)
[self.top_grid_layout.setRowStretch(r, 1) for r in range(0, 1)]
[self.top_grid_layout.setColumnStretch(c, 1) for c in range(0, 2)]
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.controls_grid_layout_1.addWidget(self._timing_loop_bw_win, 0, 0,
1, 1)
[self.controls_grid_layout_1.setRowStretch(r, 1) for r in range(0, 1)]
[
self.controls_grid_layout_1.setColumnStretch(c, 1)
for c in range(0, 1)
]
self._time_offset_range = Range(0.999, 1.001, 0.0001, 1.00, 200)
self._time_offset_win = RangeWidget(self._time_offset_range,
self.set_time_offset,
'Timing Offset', "counter_slider",
float)
self.controls_grid_layout_0.addWidget(self._time_offset_win, 0, 2, 1,
1)
[self.controls_grid_layout_0.setRowStretch(r, 1) for r in range(0, 1)]
[
self.controls_grid_layout_0.setColumnStretch(c, 1)
for c in range(2, 3)
]
self.received = Qt.QTabWidget()
self.received_widget_0 = Qt.QWidget()
self.received_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.received_widget_0)
self.received_grid_layout_0 = Qt.QGridLayout()
self.received_layout_0.addLayout(self.received_grid_layout_0)
self.received.addTab(self.received_widget_0, 'Constellation')
self.received_widget_1 = Qt.QWidget()
self.received_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.received_widget_1)
self.received_grid_layout_1 = Qt.QGridLayout()
self.received_layout_1.addLayout(self.received_grid_layout_1)
self.received.addTab(self.received_widget_1, 'Symbols')
self.top_grid_layout.addWidget(self.received, 2, 0, 1, 1)
[self.top_grid_layout.setRowStretch(r, 1) for r in range(2, 3)]
[self.top_grid_layout.setColumnStretch(c, 1) for c in range(0, 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',
"slider", float)
self.controls_grid_layout_1.addWidget(self._phase_bw_win, 0, 2, 1, 1)
[self.controls_grid_layout_1.setRowStretch(r, 1) for r in range(0, 1)]
[
self.controls_grid_layout_1.setColumnStretch(c, 1)
for c in range(2, 3)
]
self._noise_volt_range = Range(0, 1, 0.01, 0.0001, 200)
self._noise_volt_win = RangeWidget(self._noise_volt_range,
self.set_noise_volt,
'Noise Voltage', "counter_slider",
float)
self.controls_grid_layout_0.addWidget(self._noise_volt_win, 0, 0, 1, 1)
[self.controls_grid_layout_0.setRowStretch(r, 1) for r in range(0, 1)]
[
self.controls_grid_layout_0.setColumnStretch(c, 1)
for c in range(0, 1)
]
self._freq_offset_range = Range(-0.1, 0.1, 0.001, 0, 200)
self._freq_offset_win = RangeWidget(self._freq_offset_range,
self.set_freq_offset,
'Frequency Offset',
"counter_slider", float)
self.controls_grid_layout_0.addWidget(self._freq_offset_win, 0, 1, 1,
1)
[self.controls_grid_layout_0.setRowStretch(r, 1) for r in range(0, 1)]
[
self.controls_grid_layout_0.setColumnStretch(c, 1)
for c in range(1, 2)
]
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', "slider", float)
self.controls_grid_layout_1.addWidget(self._eq_gain_win, 0, 1, 1, 1)
[self.controls_grid_layout_1.setRowStretch(r, 1) for r in range(0, 1)]
[
self.controls_grid_layout_1.setColumnStretch(c, 1)
for c in range(1, 2)
]
self._delay_range = Range(0, 200, 1, 58, 200)
self._delay_win = RangeWidget(self._delay_range, self.set_delay,
'Delay', "counter_slider", float)
self.top_grid_layout.addWidget(self._delay_win, 1, 0, 1, 1)
[self.top_grid_layout.setRowStretch(r, 1) for r in range(1, 2)]
[self.top_grid_layout.setColumnStretch(c, 1) for c in range(0, 1)]
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"Input mins Output stream", #name
1 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_1.enable_autoscale(False)
self.qtgui_time_sink_x_1.enable_grid(False)
self.qtgui_time_sink_x_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1.enable_control_panel(False)
self.qtgui_time_sink_x_1.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_1.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
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_time_sink_x_1.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_win = sip.wrapinstance(
self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_1_win)
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
500, #size
samp_rate, #samp_rate
'', #name
2 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0.set_y_axis(-1, 2)
self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0,
0, 0, "")
self.qtgui_time_sink_x_0_0.enable_autoscale(False)
self.qtgui_time_sink_x_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
self.qtgui_time_sink_x_0_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0_0.disable_legend()
labels = ['Rx Bits', 'Tx Bits', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
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_time_sink_x_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 2, 1,
1, 1)
[self.top_grid_layout.setRowStretch(r, 1) for r in range(2, 3)]
[self.top_grid_layout.setColumnStretch(c, 1) for c in range(1, 2)]
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
500, #size
samp_rate, #samp_rate
'', #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 4)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS, 0.0, 0,
0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['Symbols', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
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_time_sink_x_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.received_grid_layout_1.addWidget(self._qtgui_time_sink_x_0_win, 0,
0, 1, 1)
[self.received_grid_layout_1.setRowStretch(r, 1) for r in range(0, 1)]
[
self.received_grid_layout_1.setColumnStretch(c, 1)
for c in range(0, 1)
]
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(-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(False)
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.received_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win,
0, 0, 1, 1)
[self.received_grid_layout_0.setRowStretch(r, 1) for r in range(0, 1)]
[
self.received_grid_layout_0.setColumnStretch(c, 1)
for c in range(0, 1)
]
self.myblocks_qpsk_demod_v2_0 = myblocks.qpsk_demod_v2(0)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, timing_loop_bw, (rrc_taps), nfilts, nfilts / 2, 1.5, 2)
self.digital_map_bb_0 = digital.map_bb(([0, 3, 2, 1]))
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
phase_bw, arity, False)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=qpsk,
differential=True,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=excess_bw,
verbose=False,
log=False,
)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(
15, 1, eq_gain, 2)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise_volt,
frequency_offset=freq_offset,
epsilon=time_offset,
taps=(taps),
noise_seed=0,
block_tags=False)
self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_repack_bits_bb_0 = blocks.repack_bits_bb(
2, 8, "", False, gr.GR_LSB_FIRST)
self.blocks_delay_0 = blocks.delay(gr.sizeof_float * 1, int(delay))
self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.analog_random_source_x_0 = blocks.vector_source_b(
map(int, numpy.random.randint(0, 256, 1000)), True)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0),
(self.blocks_unpack_k_bits_bb_0_0, 0))
self.connect((self.analog_random_source_x_0, 0),
(self.digital_constellation_modulator_0, 0))
self.connect((self.blocks_char_to_float_0, 0),
(self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0),
(self.blocks_sub_xx_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0),
(self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_char_to_float_0_0_0, 0),
(self.blocks_delay_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_sub_xx_0, 1))
self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0_0, 1))
self.connect((self.blocks_repack_bits_bb_0, 0),
(self.blocks_char_to_float_0_0, 0))
self.connect((self.blocks_sub_xx_0, 0), (self.qtgui_time_sink_x_1, 0))
self.connect((self.blocks_throttle_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0_0, 0),
(self.blocks_char_to_float_0_0_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_constellation_modulator_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.myblocks_qpsk_demod_v2_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.qtgui_const_sink_x_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.blocks_repack_bits_bb_0, 0))
self.connect((self.digital_map_bb_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_cma_equalizer_cc_0, 0))
self.connect((self.myblocks_qpsk_demod_v2_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.myblocks_qpsk_demod_v2_0, 0),
(self.digital_map_bb_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Simulation for SDR TCC")
Qt.QWidget.__init__(self)
self.setWindowTitle("Simulation for SDR TCC")
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", "sdrSim2")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.eb = eb = 0.35
self.timing_loop_bw = timing_loop_bw = 0.005
self.time_offset = time_offset = 1.00
self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
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_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
self.preamble = preamble = [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.phase_bw = phase_bw = 6.28/100.0
self.payload_size = payload_size = 992
self.noise_volt = noise_volt = 0.0001
self.matched_filter = matched_filter = firdes.root_raised_cosine(nfilts, nfilts, 1, eb, int(11*sps*nfilts))
self.freq_offset = freq_offset = 0
self.freq_bw = freq_bw = 6.28/100.0
self.excess_bw = excess_bw = 0.35
self.eq_gain = eq_gain = 0.01
self.delay = delay = 0
self.arity = arity = 4
##################################################
# Blocks
##################################################
self.controls = Qt.QTabWidget()
self.controls_widget_0 = Qt.QWidget()
self.controls_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_0)
self.controls_grid_layout_0 = Qt.QGridLayout()
self.controls_layout_0.addLayout(self.controls_grid_layout_0)
self.controls.addTab(self.controls_widget_0, "Channel")
self.controls_widget_1 = Qt.QWidget()
self.controls_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.controls_widget_1)
self.controls_grid_layout_1 = Qt.QGridLayout()
self.controls_layout_1.addLayout(self.controls_grid_layout_1)
self.controls.addTab(self.controls_widget_1, "Receiver")
self.top_grid_layout.addWidget(self.controls, 0,0,1,2)
self._timing_loop_bw_layout = Qt.QVBoxLayout()
self._timing_loop_bw_label = Qt.QLabel("Time: BW")
self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005)
self._timing_loop_bw_slider.setValue(self.timing_loop_bw)
self._timing_loop_bw_slider.setMinimumWidth(200)
self._timing_loop_bw_slider.valueChanged.connect(self.set_timing_loop_bw)
self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider)
self.controls_grid_layout_1.addLayout(self._timing_loop_bw_layout, 0,0,1,1)
self._time_offset_layout = Qt.QVBoxLayout()
self._time_offset_tool_bar = Qt.QToolBar(self)
self._time_offset_layout.addWidget(self._time_offset_tool_bar)
self._time_offset_tool_bar.addWidget(Qt.QLabel("Timing Offset"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._time_offset_counter = qwt_counter_pyslot()
self._time_offset_counter.setRange(0.999, 1.001, 0.0001)
self._time_offset_counter.setNumButtons(2)
self._time_offset_counter.setValue(self.time_offset)
self._time_offset_tool_bar.addWidget(self._time_offset_counter)
self._time_offset_counter.valueChanged.connect(self.set_time_offset)
self._time_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._time_offset_slider.setRange(0.999, 1.001, 0.0001)
self._time_offset_slider.setValue(self.time_offset)
self._time_offset_slider.setMinimumWidth(200)
self._time_offset_slider.valueChanged.connect(self.set_time_offset)
self._time_offset_layout.addWidget(self._time_offset_slider)
self.controls_grid_layout_0.addLayout(self._time_offset_layout, 0,2,1,1)
self.received = Qt.QTabWidget()
self.received_widget_0 = Qt.QWidget()
self.received_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_0)
self.received_grid_layout_0 = Qt.QGridLayout()
self.received_layout_0.addLayout(self.received_grid_layout_0)
self.received.addTab(self.received_widget_0, "Constellation")
self.received_widget_1 = Qt.QWidget()
self.received_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.received_widget_1)
self.received_grid_layout_1 = Qt.QGridLayout()
self.received_layout_1.addLayout(self.received_grid_layout_1)
self.received.addTab(self.received_widget_1, "Symbols")
self.top_grid_layout.addWidget(self.received, 2,0,1,1)
self._phase_bw_layout = Qt.QVBoxLayout()
self._phase_bw_label = Qt.QLabel("Phase: Bandwidth")
self._phase_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._phase_bw_slider.setRange(0.0, 1.0, 0.01)
self._phase_bw_slider.setValue(self.phase_bw)
self._phase_bw_slider.setMinimumWidth(200)
self._phase_bw_slider.valueChanged.connect(self.set_phase_bw)
self._phase_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._phase_bw_layout.addWidget(self._phase_bw_label)
self._phase_bw_layout.addWidget(self._phase_bw_slider)
self.controls_grid_layout_1.addLayout(self._phase_bw_layout, 0,2,1,1)
self._noise_volt_layout = Qt.QVBoxLayout()
self._noise_volt_tool_bar = Qt.QToolBar(self)
self._noise_volt_layout.addWidget(self._noise_volt_tool_bar)
self._noise_volt_tool_bar.addWidget(Qt.QLabel("Noise Voltage"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._noise_volt_counter = qwt_counter_pyslot()
self._noise_volt_counter.setRange(0, 1, 0.01)
self._noise_volt_counter.setNumButtons(2)
self._noise_volt_counter.setValue(self.noise_volt)
self._noise_volt_tool_bar.addWidget(self._noise_volt_counter)
self._noise_volt_counter.valueChanged.connect(self.set_noise_volt)
self._noise_volt_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._noise_volt_slider.setRange(0, 1, 0.01)
self._noise_volt_slider.setValue(self.noise_volt)
self._noise_volt_slider.setMinimumWidth(200)
self._noise_volt_slider.valueChanged.connect(self.set_noise_volt)
self._noise_volt_layout.addWidget(self._noise_volt_slider)
self.controls_grid_layout_0.addLayout(self._noise_volt_layout, 0,0,1,1)
self._freq_offset_layout = Qt.QVBoxLayout()
self._freq_offset_tool_bar = Qt.QToolBar(self)
self._freq_offset_layout.addWidget(self._freq_offset_tool_bar)
self._freq_offset_tool_bar.addWidget(Qt.QLabel("Frequency Offset"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._freq_offset_counter = qwt_counter_pyslot()
self._freq_offset_counter.setRange(-0.1, 0.1, 0.001)
self._freq_offset_counter.setNumButtons(2)
self._freq_offset_counter.setValue(self.freq_offset)
self._freq_offset_tool_bar.addWidget(self._freq_offset_counter)
self._freq_offset_counter.valueChanged.connect(self.set_freq_offset)
self._freq_offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._freq_offset_slider.setRange(-0.1, 0.1, 0.001)
self._freq_offset_slider.setValue(self.freq_offset)
self._freq_offset_slider.setMinimumWidth(200)
self._freq_offset_slider.valueChanged.connect(self.set_freq_offset)
self._freq_offset_layout.addWidget(self._freq_offset_slider)
self.controls_grid_layout_0.addLayout(self._freq_offset_layout, 0,1,1,1)
self._eq_gain_layout = Qt.QVBoxLayout()
self._eq_gain_label = Qt.QLabel("Equalizer: rate")
self._eq_gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._eq_gain_slider.setRange(0.0, 0.1, 0.001)
self._eq_gain_slider.setValue(self.eq_gain)
self._eq_gain_slider.setMinimumWidth(200)
self._eq_gain_slider.valueChanged.connect(self.set_eq_gain)
self._eq_gain_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._eq_gain_layout.addWidget(self._eq_gain_label)
self._eq_gain_layout.addWidget(self._eq_gain_slider)
self.controls_grid_layout_1.addLayout(self._eq_gain_layout, 0,1,1,1)
self._delay_layout = Qt.QVBoxLayout()
self._delay_tool_bar = Qt.QToolBar(self)
self._delay_layout.addWidget(self._delay_tool_bar)
self._delay_tool_bar.addWidget(Qt.QLabel("Delay"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._delay_counter = qwt_counter_pyslot()
self._delay_counter.setRange(0, 200, 1)
self._delay_counter.setNumButtons(2)
self._delay_counter.setValue(self.delay)
self._delay_tool_bar.addWidget(self._delay_counter)
self._delay_counter.valueChanged.connect(self.set_delay)
self._delay_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._delay_slider.setRange(0, 200, 1)
self._delay_slider.setValue(self.delay)
self._delay_slider.setMinimumWidth(200)
self._delay_slider.valueChanged.connect(self.set_delay)
self._delay_layout.addWidget(self._delay_slider)
self.top_grid_layout.addLayout(self._delay_layout, 1,0,1,1)
self.tutorial_my_qpsk_demod_cb_1 = tutorial.my_qpsk_demod_cb(True)
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
500, #size
samp_rate, #samp_rate
"", #name
2 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0.set_y_axis(-1, 2)
self.qtgui_time_sink_x_0_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0_0.enable_autoscale(False)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
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_time_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_0_win, 2,1,1,1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
500, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 4)
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
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_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.received_grid_layout_1.addWidget(self._qtgui_time_sink_x_0_win, 0,0,1,1)
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(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0.enable_autoscale(False)
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.received_grid_layout_0.addWidget(self._qtgui_const_sink_x_0_win, 0,0,1,1)
self._freq_bw_layout = Qt.QVBoxLayout()
self._freq_bw_label = Qt.QLabel("Frequency Bandwidth")
self._freq_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._freq_bw_slider.setRange(0.0, 1.0, 0.01)
self._freq_bw_slider.setValue(self.freq_bw)
self._freq_bw_slider.setMinimumWidth(200)
self._freq_bw_slider.valueChanged.connect(self.set_freq_bw)
self._freq_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._freq_bw_layout.addWidget(self._freq_bw_label)
self._freq_bw_layout.addWidget(self._freq_bw_slider)
self.controls_grid_layout_1.addLayout(self._freq_bw_layout, 0,3,1,1)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2)
self.digital_map_bb_0 = digital.map_bb(([0,1,3,2]))
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity)
self.digital_correlate_and_sync_cc_0 = digital.correlate_and_sync_cc((preamble), (matched_filter), sps)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=qpsk,
differential=True,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=excess_bw,
verbose=False,
log=False,
)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=noise_volt,
frequency_offset=freq_offset,
epsilon=time_offset,
taps=(taps),
noise_seed=0,
block_tags=False
)
self.blocks_vector_source_x_0_0 = blocks.vector_source_b(map(lambda x: (-x+1)/2, preamble), True, 1, [])
self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_stream_mux_0_0_0 = blocks.stream_mux(gr.sizeof_char*1, (len(preamble)/8,payload_size))
self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex*1)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/franchz/tcc/gnuradio/tx_teste.txt", True)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char*1, "/home/franchz/tcc/gnuradio/rx_teste.txt", False)
self.blocks_file_sink_0.set_unbuffered(False)
self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, int(delay))
self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
##################################################
# Connections
##################################################
self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0_0, 0))
self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_stream_mux_0_0_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.digital_correlate_and_sync_cc_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_correlate_and_sync_cc_0, 1), (self.blocks_null_sink_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.blocks_stream_mux_0_0_0, 1))
self.connect((self.blocks_file_source_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_0_0, 1))
self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_delay_0, 0), (self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_file_sink_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_1, 0))
self.connect((self.blocks_stream_mux_0_0_0, 0), (self.digital_constellation_modulator_0, 0))
self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.tutorial_my_qpsk_demod_cb_1, 0), (self.digital_map_bb_0, 0))
self.connect((self.digital_map_bb_0, 0), (self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.tutorial_my_qpsk_demod_cb_1, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
def __init__(self, options):
gr.hier_block2.__init__(
self, "fbmc_transmit_path", gr.io_signature(0, 0, 0), gr.io_signature(1, 1, gr.sizeof_gr_complex)
)
common_options.defaults(options)
config = self.config = station_configuration()
config.data_subcarriers = options.subcarriers
config.cp_length = 0
config.frame_data_blocks = options.data_blocks
config._verbose = options.verbose
config.fft_length = options.fft_length
config.dc_null = options.dc_null
config.training_data = default_block_header(config.data_subcarriers, config.fft_length, config.dc_null, options)
config.coding = options.coding
config.fbmc = options.fbmc
config.adaptive_fbmc = options.adaptive_fbmc
config.frame_id_blocks = 1 # FIXME
# digital rms amplitude sent to USRP
rms_amp = options.rms_amplitude
self._options = copy.copy(options)
config.block_length = config.fft_length + config.cp_length
config.frame_data_part = config.frame_data_blocks + config.frame_id_blocks
config.frame_length = config.training_data.fbmc_no_preambles + 2 * config.frame_data_part
config.subcarriers = config.data_subcarriers + config.training_data.pilot_subcarriers
config.virtual_subcarriers = config.fft_length - config.subcarriers - config.dc_null
# default values if parameters not set
if rms_amp is None:
rms_amp = math.sqrt(config.subcarriers)
config.rms_amplitude = rms_amp
# check some bounds
if config.fft_length < config.subcarriers:
raise SystemError, "Subcarrier number must be less than FFT length"
if config.fft_length < config.cp_length:
raise SystemError, "Cyclic prefix length must be less than FFT length"
## shortcuts
blen = config.block_length
flen = config.frame_length
dsubc = config.data_subcarriers
vsubc = config.virtual_subcarriers
# Adaptive Transmitter Concept
used_id_bits = config.used_id_bits = 8 # TODO: no constant in source code
rep_id_bits = config.rep_id_bits = config.data_subcarriers / used_id_bits # BPSK
if config.data_subcarriers % used_id_bits <> 0:
raise SystemError, "Data subcarriers need to be multiple of %d" % (used_id_bits)
## Allocation Control
self.allocation_src = allocation_src(
config.data_subcarriers,
config.frame_data_blocks,
config.coding,
"tcp://*:3333",
"tcp://" + options.rx_hostname + ":3322",
)
if options.static_allocation: # DEBUG
# how many bits per subcarrier
if options.coding:
mode = 1 # Coding mode 1-9
bitspermode = [0.5, 1, 1.5, 2, 3, 4, 4.5, 5, 6] # Information bits per mode
modulbitspermode = [1, 2, 2, 4, 4, 6, 6, 6, 8] # Coding bits per mode
bitcount_vec = [(int)(config.data_subcarriers * config.frame_data_blocks * bitspermode[mode - 1])]
modul_bitcount_vec = [config.data_subcarriers * config.frame_data_blocks * modulbitspermode[mode - 1]]
bitcount_src = blocks.vector_source_i(bitcount_vec, True, 1)
modul_bitcount_src = blocks.vector_source_i(modul_bitcount_vec, True, 1)
bitloading = mode
else:
bitloading = 1
bitcount_vec = [config.data_subcarriers * config.frame_data_blocks * bitloading]
bitcount_src = blocks.vector_source_i(bitcount_vec, True, 1)
modul_bitcount_src = bitcount_src
# id's for frames
id_vec = range(0, 256)
id_src = blocks.vector_source_s(id_vec, True, 1)
# bitloading for ID symbol and then once for data symbols
# bitloading_vec = [1]*dsubc+[0]*(dsubc/2)+[2]*(dsubc/2)
test_allocation = (
[bitloading] * (int)(config.data_subcarriers / 8)
+ [0] * (int)(config.data_subcarriers / 4 * 3)
+ [bitloading] * (int)(config.data_subcarriers / 8)
)
# bitloading_vec = [1]*dsubc+[bitloading]*dsubc
bitloading_vec = [1] * dsubc + test_allocation
bitloading_src = blocks.vector_source_b(bitloading_vec, True, dsubc)
# bitcount for frames
# bitcount_vec = [config.data_subcarriers*config.frame_data_blocks*bitloading]
bitcount_vec = [config.frame_data_blocks * sum(test_allocation)]
bitcount_src = blocks.vector_source_i(bitcount_vec, True, 1)
# power loading, here same for all symbols
power_vec = (
[1] * (int)(config.data_subcarriers / 8)
+ [0] * (int)(config.data_subcarriers / 4 * 3)
+ [1] * (int)(config.data_subcarriers / 8)
)
power_src = blocks.vector_source_f(power_vec, True, dsubc)
# mux control stream to mux id and data bits
mux_vec = [0] * dsubc + [1] * bitcount_vec[0]
mux_ctrl = blocks.vector_source_b(mux_vec, True, 1)
else:
id_src = (self.allocation_src, 0)
bitcount_src = (self.allocation_src, 4)
bitloading_src = (self.allocation_src, 2)
power_src = (self.allocation_src, 1)
if options.coding:
modul_bitcount_src = (self.allocation_src, 5)
else:
modul_bitcount_src = bitcount_src
mux_ctrl = ofdm.tx_mux_ctrl(dsubc)
self.connect(modul_bitcount_src, mux_ctrl)
# Initial allocation
self.allocation_src.set_allocation([4] * config.data_subcarriers, [1] * config.data_subcarriers)
if options.benchmarking:
self.allocation_src.set_allocation([4] * config.data_subcarriers, [1] * config.data_subcarriers)
if options.lab_special_case:
self.allocation_src.set_allocation(
[0] * (config.data_subcarriers / 4)
+ [2] * (config.data_subcarriers / 2)
+ [0] * (config.data_subcarriers / 4),
[1] * config.data_subcarriers,
)
if options.log:
log_to_file(self, id_src, "data/id_src.short")
log_to_file(self, bitcount_src, "data/bitcount_src.int")
log_to_file(self, bitloading_src, "data/bitloading_src.char")
log_to_file(self, power_src, "data/power_src.cmplx")
## GUI probe output
zmq_probe_bitloading = zeromq.pub_sink(gr.sizeof_char, dsubc, "tcp://*:4445")
# also skip ID symbol bitloading with keep_one_in_n (side effect)
# factor 2 for bitloading because we have two vectors per frame, one for id symbol and one for all payload/data symbols
# factor config.frame_data_part for power because there is one vector per ofdm symbol per frame
self.connect(bitloading_src, blocks.keep_one_in_n(gr.sizeof_char * dsubc, 2 * 40), zmq_probe_bitloading)
zmq_probe_power = zeromq.pub_sink(gr.sizeof_float, dsubc, "tcp://*:4444")
# self.connect(power_src, blocks.keep_one_in_n(gr.sizeof_gr_complex*dsubc,40), blocks.complex_to_real(dsubc), zmq_probe_power)
self.connect(power_src, blocks.keep_one_in_n(gr.sizeof_float * dsubc, 40), zmq_probe_power)
## Workaround to avoid periodic structure
seed(1)
whitener_pn = [randint(0, 1) for i in range(used_id_bits * rep_id_bits)]
## ID Encoder
id_enc = self._id_encoder = repetition_encoder_sb(used_id_bits, rep_id_bits, whitener_pn)
self.connect(id_src, id_enc)
if options.log:
id_enc_f = gr.char_to_float()
self.connect(id_enc, id_enc_f)
log_to_file(self, id_enc_f, "data/id_enc_out.float")
## Reference Data Source
ber_ref_src = ber_reference_source(self._options)
self.connect(id_src, (ber_ref_src, 0))
self.connect(bitcount_src, (ber_ref_src, 1))
if options.log:
log_to_file(self, ber_ref_src, "data/ber_rec_src_tx.char")
if options.log:
log_to_file(self, btrig, "data/bitmap_trig.char")
## Frame Trigger
ftrig_stream = [1] + [0] * (config.frame_data_part - 1)
ftrig = self._frame_trigger = blocks.vector_source_b(ftrig_stream, True)
## Data Multiplexer
# Input 0: control stream
# Input 1: encoded ID stream
# Inputs 2..n: data streams
dmux = self._data_multiplexer = stream_controlled_mux_b()
self.connect(mux_ctrl, (dmux, 0))
self.connect(id_enc, (dmux, 1))
if options.coding:
fo = trellis.fsm(1, 2, [91, 121])
encoder = self._encoder = trellis.encoder_bb(fo, 0)
unpack = self._unpack = blocks.unpack_k_bits_bb(2)
self.connect(ber_ref_src, encoder, unpack)
if options.interleave:
int_object = trellis.interleaver(2000, 666)
interlv = trellis.permutation(int_object.K(), int_object.INTER(), 1, gr.sizeof_char)
if not options.nopunct:
bmaptrig_stream_puncturing = [1] + [0] * (config.frame_data_blocks / 2 - 1)
btrig_puncturing = self._bitmap_trigger_puncturing = blocks.vector_source_b(
bmaptrig_stream_puncturing, True
)
puncturing = self._puncturing = puncture_bb(config.data_subcarriers)
self.connect(bitloading_src, (puncturing, 1))
self.connect(self._bitmap_trigger_puncturing, (puncturing, 2))
self.connect(unpack, puncturing)
last_block = puncturing
if options.interleave:
self.connect(last_block, interlv)
last_block = interlv
if options.benchmarking:
self.connect(last_block, blocks.head(gr.sizeof_char, options.N), (dmux, 2))
else:
self.connect(last_block, (dmux, 2))
else:
if options.benchmarking:
self.connect(unpack, blocks.head(gr.sizeof_char, options.N), (dmux, 2))
else:
self.connect(unpack, (dmux, 2))
else:
if options.benchmarking:
self.connect(ber_ref_src, blocks.head(gr.sizeof_char, options.N), (dmux, 2))
else:
self.connect(ber_ref_src, (dmux, 2))
if options.log:
dmux_f = gr.char_to_float()
self.connect(dmux, dmux_f)
log_to_file(self, dmux_f, "data/dmux_out.float")
## Modulator
mod = self._modulator = generic_mapper_bcv(config.data_subcarriers, config.coding, config.frame_data_part)
self.connect(dmux, (mod, 0))
self.connect(bitloading_src, (mod, 1))
if options.log:
log_to_file(self, mod, "data/mod_out.compl")
modi = blocks.complex_to_imag(config.data_subcarriers)
modr = blocks.complex_to_real(config.data_subcarriers)
self.connect(mod, modi)
self.connect(mod, modr)
log_to_file(self, modi, "data/mod_imag_out.float")
log_to_file(self, modr, "data/mod_real_out.float")
## Power allocator
pa = self._power_allocator = multiply_frame_fc(config.frame_data_part, config.data_subcarriers)
self.connect(mod, (pa, 0))
self.connect(power_src, (pa, 1))
if options.log:
log_to_file(self, pa, "data/pa_out.compl")
if options.fbmc:
psubc = pa
else:
psubc = self._pilot_subcarrier_inserter = pilot_subcarrier_inserter()
self.connect(pa, psubc)
if options.log:
log_to_file(self, psubc, "data/psubc_out.compl")
subcarriers = config.subcarriers
# fbmc_pblocks_timing = self._fbmc_timing_pilot_block_inserter = fbmc_timing_pilot_block_inserter(5,False)
oqam_prep = self._oqam_prep = fbmc_oqam_preprocessing_vcvc(config.subcarriers, 0, 0)
self.connect(psubc, oqam_prep)
fbmc_pblocks = self._fbmc_pilot_block_inserter = fbmc_pilot_block_inserter(5, False)
self.connect(oqam_prep, fbmc_pblocks)
# log_to_file(self, fbmc_pblocks, "data/fbmc_pblocks_out.compl")
# fbmc_insert_pream = self._fbmc_insert_pream = fbmc_insert_preamble_vcvc(M, syms_per_frame, preamble)
# log_to_file(self, oqam_prep, "data/oqam_prep.compl")
# log_to_file(self, psubc, "data/psubc_out.compl")
# fbmc_pblocks = fbmc_pblocks_timing
# log_to_file(self, fbmc_pblocks, "data/fbmc_pblocks_out.compl")
beta_mult = self._beta_mult = fbmc_beta_multiplier_vcvc(config.subcarriers, 4, 4 * config.fft_length - 1, 0)
self.connect(fbmc_pblocks, beta_mult)
log_to_file(self, beta_mult, "data/beta_mult.compl")
## Add virtual subcarriers
if config.fft_length > subcarriers:
vsubc = self._virtual_subcarrier_extender = vector_padding_dc_null(
config.subcarriers, config.fft_length, config.dc_null
)
self.connect(beta_mult, vsubc)
else:
vsubc = self._virtual_subcarrier_extender = beta_mult
if options.log:
log_to_file(self, vsubc, "data/vsubc_out.compl")
## IFFT, no window, block shift
ifft = self._ifft = fft_blocks.fft_vcc(config.fft_length, False, [], True)
self.connect(vsubc, ifft)
if options.log:
log_to_file(self, ifft, "data/ifft_out.compl")
# FBMC separate stream + filterbanks
separate_oqam = self._separate_oqam = fbmc_separate_vcvc(config.fft_length, 2)
poly_netw_1 = self._poly_netw_1 = fbmc_polyphase_network_vcvc(
config.fft_length, 4, 4 * config.fft_length - 1, False
)
poly_netw_2 = self._poly_netw_2 = fbmc_polyphase_network_vcvc(
config.fft_length, 4, 4 * config.fft_length - 1, False
)
overlap_p2s = self._overlap_p2s = fbmc_overlapping_parallel_to_serial_vcc(config.fft_length)
self.connect(ifft, (separate_oqam, 0), poly_netw_1)
self.connect((separate_oqam, 1), poly_netw_2)
self.connect(poly_netw_1, (overlap_p2s, 0))
self.connect(poly_netw_2, (overlap_p2s, 1))
## Pilot blocks (preambles)
# pblocks = self._pilot_block_inserter = pilot_block_inserter2(5,False)
# self.connect( overlap_p2s, blocks.stream_to_vector(gr.sizeof_gr_complex,config.fft_length/2), pblocks )
# log_to_file(self, pblocks, "data/fbmc_pilot_block_ins_out.compl")
if options.log:
log_to_file(self, pblocks, "data/pilot_block_ins_out.compl")
## Cyclic Prefix
# cp = self._cyclic_prefixer = cyclic_prefixer(config.fft_length,
# config.block_length)
# cp= blocks.vector_to_stream(gr.sizeof_gr_complex, config.fft_length/2)
# self.connect(pblocks, cp )
# self.connect( overlap_p2s,blocks.stream_to_vector(gr.sizeof_gr_complex,config.fft_length/2), cp )
lastblock = overlap_p2s
if options.log:
log_to_file(self, overlap_p2s, "data/overlap_p2s_out.compl")
# Digital Amplifier for resource allocation
if config.adaptive_fbmc:
rep = blocks.repeat(gr.sizeof_gr_complex, config.frame_length * config.block_length)
amp = blocks.multiply_cc()
self.connect(lastblock, (amp, 0))
self.connect((self.allocation_src, 3), rep, (amp, 1))
lastblock = amp
else:
self.connect((self.allocation_src, 3), blocks.null_sink(gr.sizeof_gr_complex))
## Digital Amplifier
# amp = self._amplifier = gr.multiply_const_cc(1)
amp = self._amplifier = ofdm.multiply_const_ccf(1.0)
self.connect(lastblock, amp)
self.set_rms_amplitude(rms_amp)
# log_to_file(self, amp, "data/amp_tx_out.compl")
if options.log:
log_to_file(self, amp, "data/amp_tx_out.compl")
## Tx parameters
bandwidth = options.bandwidth or 2e6
bits = 8 * config.data_subcarriers * config.frame_data_blocks # max. QAM256
samples_per_frame = config.frame_length * config.block_length
tb = samples_per_frame / bandwidth
# set dummy carrier frequency if none available due to baseband mode
if options.tx_freq is None:
options.tx_freq = 0.0
self.tx_parameters = {
"carrier_frequency": options.tx_freq / 1e9,
"fft_size": config.fft_length,
"cp_size": config.cp_length,
"subcarrier_spacing": options.bandwidth / config.fft_length / 1e3,
"data_subcarriers": config.data_subcarriers,
"bandwidth": options.bandwidth / 1e6,
"frame_length": config.frame_length,
"symbol_time": (config.cp_length + config.fft_length) / options.bandwidth * 1e6,
"max_data_rate": (bits / tb) / 1e6,
}
## Setup Output
self.connect(amp, self)
# Display some information about the setup
if config._verbose:
self._print_verbage()
def __init__(self, filenames, dev_addrs,
onebit, iq, noise, mix, gain, fs, fc, unint, sync_pps):
gr.top_block.__init__(self)
if mix:
raise NotImplementedError("TODO: Hilbert remix mode not implemented.")
uhd_sinks = [
uhd.usrp_sink(",".join(
[addr, "send_frame_size=32768,num_send_frames=128"]),
uhd.stream_args(
cpu_format="fc32",
otwformat="sc8",
channels=[0]))
for addr in dev_addrs]
for sink in uhd_sinks:
sink.set_clock_rate(fs*2, uhd.ALL_MBOARDS)
sink.set_samp_rate(fs)
sink.set_center_freq(fc, 0)
sink.set_gain(gain, 0)
# TODO Use offset tuning?
if sync_pps:
sink.set_clock_source("external") # 10 MHz
sink.set_time_source("external") # PPS
if unint:
if noise or onebit or not iq:
raise NotImplementedError("TODO: RX channel-interleaved mode only "
"supported for noiseless 8-bit complex.")
BLOCK_N=16*1024*1024
demux = blocks.vector_to_streams(2, len(uhd_sinks))
self.connect(blocks.file_source(2*len(uhd_sinks)*BLOCK_N, filenames[0], False),
blocks.vector_to_stream(2*len(uhd_sinks), BLOCK_N),
demux)
for ix, sink in enumerate(uhd_sinks):
self.connect((demux, ix),
blocks.vector_to_stream(1, 2),
blocks.interleaved_char_to_complex(), # [-128.0, +127.0]
blocks.multiply_const_cc(1.0/1024), # [-0.125, 0.125)
# blocks.vector_to_stream(8, 16*1024),
sink)
else:
file_srcs = [blocks.file_source(gr.sizeof_char*1, f, False)
for f in filenames]
for src, sink in zip(file_srcs, uhd_sinks):
if iq:
node = blocks.multiply_const_cc(1.0/1024)
if onebit:
self.connect(src,
blocks.unpack_k_bits_bb(8),
blocks.char_to_short(), # [0, 1] -> [0, 256]
blocks.add_const_ss(-128), # [-128, +128],
blocks.interleaved_short_to_complex(), # [ -128.0, +128.0]
node) # [-0.125, +0.125]
else:
self.connect(src, # [-128..127]
blocks.interleaved_char_to_complex(), # [-128.0, +127.0]
node) # [-0.125, +0.125)
else:
node = blocks.float_to_complex(1)
if onebit:
self.connect(src,
blocks.unpack_k_bits_bb(8), # [0, 1] -> [-0.125, +0.125]
blocks.char_to_float(vlen=1, scale=4),
blocks.add_const_vff((-0.125, )),
node)
else:
self.connect(src, # [-128..127] -> [-0.125, +0.125)
blocks.char_to_float(vlen=1, scale=1024),
node)
if noise:
combiner = blocks.add_vcc(1)
self.connect(node,
combiner,
sink)
self.connect(analog.fastnoise_source_c(analog.GR_GAUSSIAN, noise, -222, 8192),
(combiner, 1))
else:
self.connect(node,
sink)
print "Setting clocks..."
if sync_pps:
time.sleep(1.1) # Ensure there's been an edge. TODO: necessary?
last_pps_time = uhd_sinks[0].get_time_last_pps()
while last_pps_time == uhd_sinks[0].get_time_last_pps():
time.sleep(0.1)
print "Got edge"
[sink.set_time_next_pps(uhd.time_spec(round(time.time())+1)) for sink in uhd_sinks]
time.sleep(1.0) # Wait for edge to set the clocks
else:
# No external PPS/10 MHz. Just set each clock and accept some skew.
t = time.time()
[sink.set_time_now(uhd.time_spec(time.time())) for sink in uhd_sinks]
if len(uhd_sinks) > 1:
print "Uncabled; loosely synced only. Initial skew ~ %.1f ms" % (
(time.time()-t) * 1000)
t_start = uhd.time_spec(time.time() + 1.5)
[sink.set_start_time(t_start) for sink in uhd_sinks]
print "ready"
def __init__(self):
gr.top_block.__init__(self, "Demod")
# the commented elements below did not work in testing so leave them alone!
bitmappings = [
[0, 1, 2, 3],
# [ 0, 1, 3, 2],
[0, 2, 1, 3],
# [ 0, 2, 3, 1],
# [ 0, 3, 1, 2],
[0, 3, 2, 1],
[1, 0, 2, 3],
[1, 0, 3, 2],
# [ 1, 2, 0, 3],
# [ 1, 2, 3, 0],
# [ 1, 3, 0, 2],
# [ 1, 3, 2, 0],
# [ 2, 0, 1, 3],
# [ 2, 0, 3, 1],
[2, 1, 0, 3],
# [ 2, 1, 3, 0],
[2, 3, 0, 1],
# [ 2, 3, 1, 0],
# [ 3, 0, 1, 2],
# [ 3, 0, 2, 1],
# [ 3, 1, 0, 2],
[3, 1, 2, 0],
# [ 3, 2, 0, 1],
[3, 2, 1, 0],
]
constellation_map = random.choice(bitmappings)
# override the above for now until figure out how to make the solver work dynamically
constellation_map = [2, 3, 0, 1]
# sys.stderr.write('{}'.format(constellation_map))
##################################################
# Variables
##################################################
self.sps = sps = 8
self.nfilts = nfilts = 32
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_rect(([
0.707 + 0.707j, -0.707 + 0.707j, -0.707 - 0.707j, 0.707 - 0.707j
]), (constellation_map), 4, 2, 2, 1, 1).base()
self.arity = arity = 4
##################################################
# Blocks
##################################################
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, 62.8e-3, (rrc_taps), nfilts, nfilts / 2, 1.5, 2)
self.digital_map_bb_0 = digital.map_bb((constellation_map))
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(4)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(
62.8e-3, arity, False)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
qpsk)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(
15, 1, 10e-3, 2)
self.blocks_wavfile_source_0 = blocks.wavfile_source(
sys.argv[1], False)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
self.blocks_multiply_xx_0_0 = blocks.multiply_vcc(1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_char * 1,
sys.argv[2], False)
self.blocks_file_sink_0.set_unbuffered(False)
self.analog_sig_source_x_0_0 = analog.sig_source_c(
samp_rate, analog.GR_COS_WAVE, -8e3, 1, 0)
##################################################
# Connections
##################################################
self.connect((self.blocks_wavfile_source_0, 0),
(self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_wavfile_source_0, 1),
(self.blocks_float_to_complex_0, 1))
self.connect((self.blocks_float_to_complex_0, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_cma_equalizer_cc_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_diff_decoder_bb_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0),
(self.digital_map_bb_0, 0))
self.connect((self.digital_map_bb_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blocks_file_sink_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Mpsk Stage6")
##################################################
# Variables
##################################################
self.sps = sps = 4
self.nfilts = nfilts = 32
self.variable_0 = variable_0 = 0
self.timing_loop_bw = timing_loop_bw = 6.28/100.0
self.time_offset = time_offset = 1.00
self.taps = taps = [1.0, 0.25-0.25j, 0.50 + 0.10j, -0.3 + 0.2j]
# ntaps = 7
# taps = numpy.random.random(ntaps-1) + 1j*numpy.random.random(ntaps-1)
# self.taps = taps = numpy.concatenate((numpy.ones(1), taps))
# self.taps = taps
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_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
self.phase_bw = phase_bw = 6.28/100.0
self.noise_volt = noise_volt = 0
self.freq_offset = freq_offset = 0
self.excess_bw = excess_bw = 0.35
self.eq_gain = eq_gain = 0.01
self.delay = delay = 58
self.arity = arity = 4
##################################################
# Blocks
##################################################
self.tutorial_my_qpsk_demod_cb_1 = tutorial.my_qpsk_demod_cb(True)
self.iq_vector_sink = blocks.vector_sink_c(1)
self.raw_vector_sink = blocks.vector_sink_f(1)
self.decoded_vector_sink = blocks.vector_sink_f(1)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, timing_loop_bw, (rrc_taps), nfilts, nfilts/2, 1.5, 2)
self.digital_map_bb_0 = digital.map_bb(([0,1,3,2]))
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(phase_bw, arity, False)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=qpsk,
differential=False,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=excess_bw,
verbose=False,
log=False,
)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(15, 1, eq_gain, 2)
# snr = 18
# noise_amp = 10**(-snr/10.0)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=self.noise_volt,
frequency_offset=freq_offset,
epsilon=time_offset,
taps=(taps),
noise_seed=0,
block_tags=False
)
self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_file_sink_0_1 = blocks.file_sink(gr.sizeof_gr_complex*1, 'iq_qpsk.txt', False)
self.blocks_file_sink_0_1.set_unbuffered(True)
self.blocks_file_sink_0_0_0 = blocks.file_sink(gr.sizeof_float*1, 'decoded_qpsk.txt', False)
self.blocks_file_sink_0_0_0.set_unbuffered(False)
self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_float*1, 'ground_truth_qpsk.txt', False)
self.blocks_file_sink_0_0.set_unbuffered(False)
self.blocks_file_sink_0 = blocks.file_sink(gr.sizeof_float*1, 'ber_qpsk.txt', False)
self.blocks_file_sink_0.set_unbuffered(True)
self.blocks_delay_0_1 = blocks.delay(gr.sizeof_char*1, int(delay))
self.blocks_delay_0 = blocks.delay(gr.sizeof_float*1, int(delay))
self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blks2_error_rate = grc_blks2.error_rate(
type='BER',
win_size=int(1e4),
bits_per_symbol=1,
)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 256, 100000)), True)
##################################################
# Connections
##################################################
self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))
self.connect((self.analog_random_source_x_0, 0), (self.digital_constellation_modulator_0, 0))
self.connect((self.blks2_error_rate, 0), (self.blocks_file_sink_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_file_sink_0_0_0, 0))
self.connect((self.blocks_char_to_float_0_0_0, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_file_sink_0_0, 0))
self.connect((self.blocks_delay_0_1, 0), (self.blks2_error_rate, 1))
self.connect((self.blocks_throttle_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blks2_error_rate, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_char_to_float_0_0_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_delay_0_1, 0))
self.connect((self.channels_channel_model_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.iq_vector_sink, 0))
self.connect((self.blocks_char_to_float_0_0, 0), (self.decoded_vector_sink, 0))
self.connect((self.blocks_delay_0, 0), (self.raw_vector_sink, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_file_sink_0_1, 0))
self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.tutorial_my_qpsk_demod_cb_1, 0))
self.connect((self.digital_map_bb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
self.connect((self.tutorial_my_qpsk_demod_cb_1, 0), (self.digital_map_bb_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Top Block")
Qt.QWidget.__init__(self)
self.setWindowTitle("Top Block")
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").toByteArray())
##################################################
# Variables
##################################################
self.samp_rate = samp_rate = 400000
self.preamble = preamble = [ -0.70711 + 0.70711j, 0.70711 - 0.70711j, -0.70711 + 0.70711j, 0.70711 + 0.70711j, 0.70711 - 0.70711j, 0.70711 - 0.70711j, -0.70711 + 0.70711j, -0.70711 + 0.70711j, -0.70711 - 0.70711j, -0.70711 - 0.70711j, 0.70711 - 0.70711j, 0.70711 + 0.70711j, -0.70711 + 0.70711j, 0.70711 - 0.70711j, 0.70711 - 0.70711j, -0.70711 + 0.70711j, -0.70711 + 0.70711j, 0.70711 + 0.70711j, 0.70711 + 0.70711j, 0.70711 + 0.70711j, -0.70711 - 0.70711j, -0.70711 + 0.70711j, -0.70711 + 0.70711j, -0.70711 - 0.70711j, -0.70711 - 0.70711j, 0.70711 - 0.70711j, 0.70711 + 0.70711j, -0.70711 - 0.70711j, -0.70711 - 0.70711j, 0.70711 - 0.70711j, 0.70711 + 0.70711j, -0.70711 - 0.70711j, 0.70711 + 0.70711j, 0.70711 + 0.70711j, 0.70711 - 0.70711j, -0.70711 + 0.70711j, 0.70711 + 0.70711j, -0.70711 - 0.70711j, 0.70711 - 0.70711j, 0.70711 + 0.70711j]
self.audio_rate = audio_rate = 8000
self.audio_interp = audio_interp = 2
self.voice_gain = voice_gain = 0
self.tau = tau = 75e-6
self.rx_channel = rx_channel = 110
self.quadrature_rate = quadrature_rate = audio_rate*audio_interp
self.qpsk_constellation = qpsk_constellation = digital.constellation_calcdist(([(sqrt(2)/2)+(sqrt(2)/2)*1j,-(sqrt(2)/2)+(sqrt(2)/2)*1j,(sqrt(2)/2)-(sqrt(2)/2)*1j,-(sqrt(2)/2)-(sqrt(2)/2)*1j]), (digital.psk_4()[1]), 4, 1).base()
self.qpsk_constellation.gen_soft_dec_lut(8)
self.preamble_size = preamble_size = len(preamble)
self.poly_taps = poly_taps = firdes.low_pass(2.0, samp_rate, 20000, 1000, firdes.WIN_HAMMING, 6.76)
self.payload_size = payload_size = 100
self.num_channels = num_channels = 4
self.max_deviation = max_deviation = 3500
self.guard_size = guard_size = 10
self.codec_rate = codec_rate = 64000
self.bpsk_rate = bpsk_rate = 400000
##################################################
# Blocks
##################################################
self._voice_gain_range = Range(0, 2, 0.01, 0, 200)
self._voice_gain_win = RangeWidget(self._voice_gain_range, self.set_voice_gain, "voice_gain", "counter_slider", float)
self.top_layout.addWidget(self._voice_gain_win)
self.tab2 = Qt.QTabWidget()
self.tab2_widget_0 = Qt.QWidget()
self.tab2_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab2_widget_0)
self.tab2_grid_layout_0 = Qt.QGridLayout()
self.tab2_layout_0.addLayout(self.tab2_grid_layout_0)
self.tab2.addTab(self.tab2_widget_0, "Preamble Correlation")
self.tab2_widget_1 = Qt.QWidget()
self.tab2_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tab2_widget_1)
self.tab2_grid_layout_1 = Qt.QGridLayout()
self.tab2_layout_1.addLayout(self.tab2_grid_layout_1)
self.tab2.addTab(self.tab2_widget_1, "Received Analog Voice")
self.top_grid_layout.addWidget(self.tab2, 1,1,1,1)
self._rx_channel_options = (110, 110*2, 110*3, 0, )
self._rx_channel_labels = ("0", "1", "2", "3", )
self._rx_channel_group_box = Qt.QGroupBox("rx_channel")
self._rx_channel_box = Qt.QHBoxLayout()
class variable_chooser_button_group(Qt.QButtonGroup):
def __init__(self, parent=None):
Qt.QButtonGroup.__init__(self, parent)
@pyqtSlot(int)
def updateButtonChecked(self, button_id):
self.button(button_id).setChecked(True)
self._rx_channel_button_group = variable_chooser_button_group()
self._rx_channel_group_box.setLayout(self._rx_channel_box)
for i, label in enumerate(self._rx_channel_labels):
radio_button = Qt.QRadioButton(label)
self._rx_channel_box.addWidget(radio_button)
self._rx_channel_button_group.addButton(radio_button, i)
self._rx_channel_callback = lambda i: Qt.QMetaObject.invokeMethod(self._rx_channel_button_group, "updateButtonChecked", Qt.Q_ARG("int", self._rx_channel_options.index(i)))
self._rx_channel_callback(self.rx_channel)
self._rx_channel_button_group.buttonClicked[int].connect(
lambda i: self.set_rx_channel(self._rx_channel_options[i]))
self.top_layout.addWidget(self._rx_channel_group_box)
self.vocoder_ulaw_decode_bs_0 = vocoder.ulaw_decode_bs()
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("serial=309AF9C", "")),
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(433e6, 0)
self.uhd_usrp_source_0.set_gain(5, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.root_raised_cosine_filter_1 = filter.fir_filter_ccf(2, firdes.root_raised_cosine(
1, bpsk_rate, bpsk_rate/2, 0.35, 101))
self.qtgui_time_sink_x_0 = qtgui.time_sink_c(
1024, #size
bpsk_rate/2, #samp_rate
"Preamble Correlation", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0.enable_tags(-1, False)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(True)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_control_panel(False)
if not False:
self.qtgui_time_sink_x_0.disable_legend()
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
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*1):
if len(labels[i]) == 0:
if(i % 2 == 0):
self.qtgui_time_sink_x_0.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.tab2_layout_0.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_time_raster_sink_x_0_0 = qtgui.time_raster_sink_b(
codec_rate,
100,
(guard_size+payload_size)*num_channels,
([]),
([]),
"Received TDM Frame",
1,
)
self.qtgui_time_raster_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_raster_sink_x_0_0.set_intensity_range(-1, 1)
self.qtgui_time_raster_sink_x_0_0.enable_grid(False)
labels = ["", "", "", "", "",
"", "", "", "", ""]
colors = [2, 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_time_raster_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_raster_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_raster_sink_x_0_0.set_color_map(i, colors[i])
self.qtgui_time_raster_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_raster_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_raster_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_raster_sink_x_0_0_win, 1,2,1,1)
self.qtgui_freq_sink_x_3 = qtgui.freq_sink_f(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
audio_rate, #bw
"Received Analog Voice", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_3.set_update_time(0.10)
self.qtgui_freq_sink_x_3.set_y_axis(-140, 10)
self.qtgui_freq_sink_x_3.set_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_3.enable_autoscale(False)
self.qtgui_freq_sink_x_3.enable_grid(False)
self.qtgui_freq_sink_x_3.set_fft_average(1.0)
self.qtgui_freq_sink_x_3.enable_control_panel(False)
if not False:
self.qtgui_freq_sink_x_3.disable_legend()
if float == type(float()):
self.qtgui_freq_sink_x_3.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_3.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_3.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_3.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_3.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_3.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_3_win = sip.wrapinstance(self.qtgui_freq_sink_x_3.pyqwidget(), Qt.QWidget)
self.tab2_layout_1.addWidget(self._qtgui_freq_sink_x_3_win)
self.qtgui_freq_sink_x_1 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"Received 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_trigger_mode(qtgui.TRIG_MODE_FREE, 0.0, 0, "")
self.qtgui_freq_sink_x_1.enable_autoscale(False)
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_control_panel(False)
if not False:
self.qtgui_freq_sink_x_1.disable_legend()
if complex == type(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, 0,0,1,1)
self.digital_map_bb_0_0 = digital.map_bb((digital.psk_4()[1]))
self.digital_corr_est_cc_0 = digital.corr_est_cc((preamble), 1, 0, 0.15)
self.digital_constellation_decoder_cb_0_0 = digital.constellation_decoder_cb(qpsk_constellation)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
self.blocks_tagged_stream_align_0 = blocks.tagged_stream_align(gr.sizeof_gr_complex*1, "corr_start")
self.blocks_short_to_float_0 = blocks.short_to_float(1, 2000)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(8)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((voice_gain, ))
self.blocks_keep_m_in_n_1 = blocks.keep_m_in_n(gr.sizeof_char, payload_size, num_channels*(payload_size+guard_size), rx_channel)
self.blocks_keep_m_in_n_0 = blocks.keep_m_in_n(gr.sizeof_gr_complex, num_channels*(payload_size+guard_size)/2, num_channels*(payload_size+guard_size)/2 + preamble_size, preamble_size)
self.blocks_delay_0 = blocks.delay(gr.sizeof_gr_complex*1, 2*(num_channels*(payload_size+guard_size)/2+preamble_size)-1)
self.audio_sink_0 = audio.sink(8000, "", True)
##################################################
# Connections
##################################################
self.connect((self.blocks_delay_0, 0), (self.blocks_keep_m_in_n_0, 0))
self.connect((self.blocks_keep_m_in_n_0, 0), (self.digital_constellation_decoder_cb_0_0, 0))
self.connect((self.blocks_keep_m_in_n_1, 0), (self.vocoder_ulaw_decode_bs_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.audio_sink_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.blocks_keep_m_in_n_1, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.qtgui_time_raster_sink_x_0_0, 0))
self.connect((self.blocks_short_to_float_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_short_to_float_0, 0), (self.qtgui_freq_sink_x_3, 0))
self.connect((self.blocks_tagged_stream_align_0, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.digital_constellation_decoder_cb_0_0, 0), (self.digital_map_bb_0_0, 0))
self.connect((self.digital_corr_est_cc_0, 0), (self.blocks_tagged_stream_align_0, 0))
self.connect((self.digital_corr_est_cc_0, 1), (self.qtgui_time_sink_x_0, 0))
self.connect((self.digital_map_bb_0_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.root_raised_cosine_filter_1, 0), (self.digital_corr_est_cc_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.qtgui_freq_sink_x_1, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.root_raised_cosine_filter_1, 0))
self.connect((self.vocoder_ulaw_decode_bs_0, 0), (self.blocks_short_to_float_0, 0))
def __init__(self, constellation,
differential=_def_differential,
samples_per_symbol=_def_samples_per_symbol,
pre_diff_code=True,
excess_bw=_def_excess_bw,
freq_bw=_def_freq_bw,
timing_bw=_def_timing_bw,
phase_bw=_def_phase_bw,
verbose=_def_verbose,
log=_def_log):
gr.hier_block2.__init__(self, "generic_demod",
gr.io_signature(1, 1, gr.sizeof_gr_complex), # Input signature
gr.io_signature(1, 1, gr.sizeof_char)) # Output signature
self._constellation = constellation
self._samples_per_symbol = samples_per_symbol
self._excess_bw = excess_bw
self._phase_bw = phase_bw
self._freq_bw = freq_bw
self._timing_bw = timing_bw
self._timing_max_dev= _def_timing_max_dev
self._differential = differential
if self._samples_per_symbol < 2:
raise TypeError, ("sbp must be >= 2, is %d" % self._samples_per_symbol)
# Only apply a predifferential coding if the constellation also supports it.
self.pre_diff_code = pre_diff_code and self._constellation.apply_pre_diff_code()
arity = pow(2,self.bits_per_symbol())
nfilts = 32
ntaps = 11 * int(self._samples_per_symbol*nfilts)
# Automatic gain control
self.agc = analog.agc2_cc(0.6e-1, 1e-3, 1, 1, 100)
# Frequency correction
fll_ntaps = 55
self.freq_recov = digital.fll_band_edge_cc(self._samples_per_symbol, self._excess_bw,
fll_ntaps, self._freq_bw)
# symbol timing recovery with RRC data filter
taps = filter.firdes.root_raised_cosine(nfilts, nfilts*self._samples_per_symbol,
1.0, self._excess_bw, ntaps)
self.time_recov = digital.pfb_clock_sync_ccf(self._samples_per_symbol,
self._timing_bw, taps,
nfilts, nfilts//2, self._timing_max_dev)
fmin = -0.25
fmax = 0.25
self.receiver = digital.constellation_receiver_cb(
self._constellation.base(), self._phase_bw,
fmin, fmax)
# Do differential decoding based on phase change of symbols
if differential:
self.diffdec = digital.diff_decoder_bb(arity)
if self.pre_diff_code:
self.symbol_mapper = digital.map_bb(
mod_codes.invert_code(self._constellation.pre_diff_code()))
# unpack the k bit vector into a stream of bits
self.unpack = blocks.unpack_k_bits_bb(self.bits_per_symbol())
if verbose:
self._print_verbage()
if log:
self._setup_logging()
# Connect and Initialize base class
self._blocks = [self, self.agc, self.freq_recov,
self.time_recov, self.receiver]
if differential:
self._blocks.append(self.diffdec)
if self.pre_diff_code:
self._blocks.append(self.symbol_mapper)
self._blocks += [self.unpack, self]
self.connect(*self._blocks)
def __init__(self):
gr.top_block.__init__(self, "Mpsk Stage3")
Qt.QWidget.__init__(self)
self.setWindowTitle("Mpsk Stage3")
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", "mpsk_stage3")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.sps = sps = 8
self.payload = payload = range(256)
self.nfilts = nfilts = 32
self.timing_loop_bw = timing_loop_bw = 6.28/100.0
self.taps = taps = [1.0 + 0.0j, ]
self.samp_rate = samp_rate = 250e3
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts, 1.0/float(sps), 0.35, 45*nfilts)
self.qpsk_const = qpsk_const = digital.constellation_rect(([-1, +1]), ([0, 1]), 1, 2, 1, 1, 1).base()
self.payload_str = payload_str = ''.join(map(lambda x: "{0:08b}".format(x), payload))
self.gain = gain = 50
self.freq = freq = 2.3e9
self.excess_bw = excess_bw = 0.35
self.delay = delay = 32
self.decim = decim = 1
self.arity = arity = 2
self.access_code_str = access_code_str = "1111100110101"
self.access_code = access_code = [31, 53]
##################################################
# Blocks
##################################################
self._delay_layout = Qt.QVBoxLayout()
self._delay_tool_bar = Qt.QToolBar(self)
self._delay_layout.addWidget(self._delay_tool_bar)
self._delay_tool_bar.addWidget(Qt.QLabel("delay"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._delay_counter = qwt_counter_pyslot()
self._delay_counter.setRange(0, 100, 1)
self._delay_counter.setNumButtons(2)
self._delay_counter.setValue(self.delay)
self._delay_tool_bar.addWidget(self._delay_counter)
self._delay_counter.valueChanged.connect(self.set_delay)
self._delay_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._delay_slider.setRange(0, 100, 1)
self._delay_slider.setValue(self.delay)
self._delay_slider.setMinimumWidth(200)
self._delay_slider.valueChanged.connect(self.set_delay)
self._delay_layout.addWidget(self._delay_slider)
self.top_layout.addLayout(self._delay_layout)
self.west_stream_trigged_pdu_0 = west.stream_trigged_pdu("start_payload", 2048)
self.west_ber_pdu_0 = west.ber_pdu(payload_str)
self._timing_loop_bw_layout = Qt.QVBoxLayout()
self._timing_loop_bw_label = Qt.QLabel("Time: BW")
self._timing_loop_bw_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._timing_loop_bw_slider.setRange(0.0, 0.2, 0.005)
self._timing_loop_bw_slider.setValue(self.timing_loop_bw)
self._timing_loop_bw_slider.setMinimumWidth(200)
self._timing_loop_bw_slider.valueChanged.connect(self.set_timing_loop_bw)
self._timing_loop_bw_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_label)
self._timing_loop_bw_layout.addWidget(self._timing_loop_bw_slider)
self.top_grid_layout.addLayout(self._timing_loop_bw_layout, 3,1,1,1)
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.10)
self.qtgui_time_sink_x_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0.set_y_label("Amplitude", "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
labels = ["", "", "", "", "",
"", "", "", "", ""]
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
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_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.qtgui_const_sink_x_1_0 = qtgui.const_sink_c(
1024, #size
"Equalizer", #name
1 #number of inputs
)
self.qtgui_const_sink_x_1_0.set_update_time(0.10)
self.qtgui_const_sink_x_1_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_1_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
self.qtgui_const_sink_x_1_0.enable_autoscale(False)
self.qtgui_const_sink_x_1_0.enable_grid(False)
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_1_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_1_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_1_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_1_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_1_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_1_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_1_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_1_0_win = sip.wrapinstance(self.qtgui_const_sink_x_1_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_1_0_win)
self.qtgui_const_sink_x_1 = qtgui.const_sink_c(
1024, #size
"Clock Sync Output", #name
1 #number of inputs
)
self.qtgui_const_sink_x_1.set_update_time(0.10)
self.qtgui_const_sink_x_1.set_y_axis(-2, 2)
self.qtgui_const_sink_x_1.set_x_axis(-2, 2)
self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
self.qtgui_const_sink_x_1.enable_autoscale(False)
self.qtgui_const_sink_x_1.enable_grid(False)
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_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_1.set_line_label(i, labels[i])
self.qtgui_const_sink_x_1.set_line_width(i, widths[i])
self.qtgui_const_sink_x_1.set_line_color(i, colors[i])
self.qtgui_const_sink_x_1.set_line_style(i, styles[i])
self.qtgui_const_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_1_win = sip.wrapinstance(self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_1_win)
self.qtgui_const_sink_x_0_0 = qtgui.const_sink_c(
2048, #size
"Costas Loop Output", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_0.set_update_time(0.10)
self.qtgui_const_sink_x_0_0.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0_0.set_x_axis(-2, 2)
self.qtgui_const_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
self.qtgui_const_sink_x_0_0.enable_autoscale(False)
self.qtgui_const_sink_x_0_0.enable_grid(False)
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_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_const_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_const_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_const_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_const_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_0_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_const_sink_x_0_0_win, 0,1,1,1)
self.pfb_arb_resampler_xxx_0 = pfb.arb_resampler_ccf(
1,
taps=(rrc_taps[:-1]),
flt_size=32)
self.pfb_arb_resampler_xxx_0.declare_sample_delay(0)
self._gain_layout = Qt.QVBoxLayout()
self._gain_tool_bar = Qt.QToolBar(self)
self._gain_layout.addWidget(self._gain_tool_bar)
self._gain_tool_bar.addWidget(Qt.QLabel("RF gain"+": "))
class qwt_counter_pyslot(Qwt.QwtCounter):
def __init__(self, parent=None):
Qwt.QwtCounter.__init__(self, parent)
@pyqtSlot('double')
def setValue(self, value):
super(Qwt.QwtCounter, self).setValue(value)
self._gain_counter = qwt_counter_pyslot()
self._gain_counter.setRange(0, 90, 1)
self._gain_counter.setNumButtons(2)
self._gain_counter.setValue(self.gain)
self._gain_tool_bar.addWidget(self._gain_counter)
self._gain_counter.valueChanged.connect(self.set_gain)
self._gain_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._gain_slider.setRange(0, 90, 1)
self._gain_slider.setValue(self.gain)
self._gain_slider.setMinimumWidth(200)
self._gain_slider.valueChanged.connect(self.set_gain)
self._gain_layout.addWidget(self._gain_slider)
self.top_layout.addLayout(self._gain_layout)
self.digital_diff_decoder_bb_0 = digital.diff_decoder_bb(2)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(.015, 2)
self.digital_correlate_access_code_bb_0 = digital.correlate_access_code_bb(access_code_str, 1)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=qpsk_const,
differential=True,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=excess_bw,
verbose=False,
log=False,
)
(self.digital_constellation_modulator_0).set_processor_affinity([2])
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(qpsk_const)
self.digital_cma_equalizer_cc_0 = digital.cma_equalizer_cc(16, 1, 0.15/100., 1)
self.digital_clock_recovery_mm_xx_0 = digital.clock_recovery_mm_cc(sps*(1+0.0), 0.25*0.175*0.175, 0.5, 0.175, 0.005)
self.blocks_vector_source_x_0_0 = blocks.vector_source_b([135, 201]*5000 + access_code + payload*100000, False, 1, [])
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_sub_xx_0 = blocks.sub_ff(1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vcc((.0001, ))
self.blocks_keep_one_in_n_0 = blocks.keep_one_in_n(gr.sizeof_char*1, 1)
self.blocks_delay_0 = blocks.delay(gr.sizeof_char*1, int(delay))
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
self.blocks_add_xx_0 = blocks.add_vcc(1)
self.analog_fastnoise_source_x_0 = analog.fastnoise_source_c(analog.GR_GAUSSIAN, 0.3, 0, 8192)
self.analog_agc2_xx_0 = analog.agc2_cc(1e-1, 1e-1, 1.0, 1)
self.analog_agc2_xx_0.set_max_gain(65536)
##################################################
# Connections
##################################################
self.connect((self.blocks_add_xx_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.digital_constellation_modulator_0, 0), (self.blocks_add_xx_0, 0))
self.connect((self.analog_fastnoise_source_x_0, 0), (self.blocks_add_xx_0, 1))
self.connect((self.blocks_vector_source_x_0_0, 0), (self.digital_constellation_modulator_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_delay_0, 0))
self.connect((self.blocks_vector_source_x_0_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.qtgui_const_sink_x_1, 0))
self.connect((self.digital_clock_recovery_mm_xx_0, 0), (self.digital_cma_equalizer_cc_0, 0))
self.connect((self.pfb_arb_resampler_xxx_0, 0), (self.digital_clock_recovery_mm_xx_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_cma_equalizer_cc_0, 0), (self.qtgui_const_sink_x_1_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.analog_agc2_xx_0, 0), (self.pfb_arb_resampler_xxx_0, 0))
self.connect((self.blocks_delay_0, 0), (self.blocks_char_to_float_0_0, 0))
self.connect((self.digital_correlate_access_code_bb_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.blocks_sub_xx_0, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0, 0), (self.blocks_sub_xx_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0), (self.blocks_sub_xx_0, 1))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_keep_one_in_n_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.qtgui_const_sink_x_0_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_correlate_access_code_bb_0, 0), (self.west_stream_trigged_pdu_0, 0))
self.connect((self.digital_diff_decoder_bb_0, 0), (self.digital_correlate_access_code_bb_0, 0))
self.connect((self.blocks_keep_one_in_n_0, 0), (self.digital_diff_decoder_bb_0, 0))
##################################################
# Asynch Message Connections
##################################################
self.msg_connect(self.west_stream_trigged_pdu_0, "pdus", self.west_ber_pdu_0, "pdus")
def __init__(self, n_filts=32, bits_per_sym=2, alpha_probe=0.1, th_probe=0, constellation=digital.constellation_calcdist([-1-1j, 1-1j, 1+1j, -1+1j], [], 4, 1).base(), samp_per_sym=5, bw_costas=2*math.pi/100, bw_clock_sync=2*math.pi/100, bw_fll=2*math.pi/100, len_sym_srrc=11, alfa=0.45):
grc_wxgui.top_block_gui.__init__(self, title="Test Hier Rx Usrp")
_icon_path = "/usr/share/icons/hicolor/32x32/apps/gnuradio-grc.png"
self.SetIcon(wx.Icon(_icon_path, wx.BITMAP_TYPE_ANY))
##################################################
# Parameters
##################################################
self.n_filts = n_filts
self.bits_per_sym = bits_per_sym
self.alpha_probe = alpha_probe
self.th_probe = th_probe
self.constellation = constellation
self.samp_per_sym = samp_per_sym
self.bw_costas = bw_costas
self.bw_clock_sync = bw_clock_sync
self.bw_fll = bw_fll
self.len_sym_srrc = len_sym_srrc
self.alfa = alfa
##################################################
# Variables
##################################################
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)
##################################################
# Blocks
##################################################
self.wxgui_scopesink2_0 = scopesink2.scope_sink_c(
self.GetWin(),
title="Scope Plot",
sample_rate=250000/samp_per_sym,
v_scale=0.3,
v_offset=0,
t_scale=0.3,
ac_couple=False,
xy_mode=True,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label="Counts",
)
self.Add(self.wxgui_scopesink2_0.win)
self.uhd_usrp_source_0 = uhd.usrp_source(
device_addr="",
stream_args=uhd.stream_args(
cpu_format="fc32",
channels=range(1),
),
)
self.uhd_usrp_source_0.set_samp_rate(50000*samp_per_sym)
self.uhd_usrp_source_0.set_center_freq(850000000, 0)
self.uhd_usrp_source_0.set_gain(18, 0)
self.uhd_usrp_source_0.set_antenna("TX/RX", 0)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(samp_per_sym, bw_clock_sync, (filtro_srrc), n_filts, 16, 5, 1)
self.digital_mpsk_snr_est_cc_0 = digital.mpsk_snr_est_cc(2, 1000, 0.1)
self.digital_fll_band_edge_cc_0 = digital.fll_band_edge_cc(samp_per_sym, alfa, len_sym_srrc*samp_per_sym, bw_fll)
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(bw_costas, 2**bits_per_sym)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(constellation)
self.blocks_vector_sink_x_0 = blocks.vector_sink_b(1)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(bits_per_sym)
self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_gr_complex*1, "/home/belza/pruebasUSRP/file_rx_sym", False)
self.blocks_file_sink_0_0.set_unbuffered(True)
self.analog_agc2_xx_0 = analog.agc2_cc(0.6e-1, 1e-3, 2, 15)
self.analog_agc2_xx_0.set_max_gain(15)
##################################################
# Connections
##################################################
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.analog_agc2_xx_0, 0), (self.digital_fll_band_edge_cc_0, 0))
self.connect((self.digital_fll_band_edge_cc_0, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.analog_agc2_xx_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_vector_sink_x_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0_0_0, 0))
self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.blocks_file_sink_0_0, 0))
self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.wxgui_scopesink2_0, 0))
self.connect((self.digital_costas_loop_cc_0_0_0, 0), (self.digital_mpsk_snr_est_cc_0, 0))
self.connect((self.digital_mpsk_snr_est_cc_0, 0), (self.digital_constellation_decoder_cb_0, 0))
def __init__(self):
gr.top_block.__init__(self, "FloripaSat-I Simulation Test")
Qt.QWidget.__init__(self)
self.setWindowTitle("FloripaSat-I Simulation Test")
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", "fsat_simulation_test")
if StrictVersion(Qt.qVersion()) < StrictVersion("5.0.0"):
self.restoreGeometry(self.settings.value("geometry").toByteArray())
else:
self.restoreGeometry(
self.settings.value("geometry", type=QtCore.QByteArray))
##################################################
# Variables
##################################################
self.symbol_rate = symbol_rate = 1.2e3
self.samples_per_symbol = samples_per_symbol = 40
self.sample_rate_tx = sample_rate_tx = symbol_rate * samples_per_symbol * 25 / 6
self.nfilts = nfilts = 32
self.sample_rate_rx = sample_rate_rx = sample_rate_tx * 6 / 5
self.sample_rate = sample_rate = symbol_rate * samples_per_symbol
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
nfilts, nfilts, 1.0 / float(40), 0.35, 45 * nfilts)
self.pi = pi = numpy.pi
self.phase_shift = phase_shift = 0
self.noise_amp = noise_amp = 1e-6
self.modulation_sensitivity = modulation_sensitivity = 4e3
self.freq_shift = freq_shift = 1e3
##################################################
# Blocks
##################################################
self.tabs = Qt.QTabWidget()
self.tabs_widget_0 = Qt.QWidget()
self.tabs_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabs_widget_0)
self.tabs_grid_layout_0 = Qt.QGridLayout()
self.tabs_layout_0.addLayout(self.tabs_grid_layout_0)
self.tabs.addTab(self.tabs_widget_0, 'Spectrum')
self.tabs_widget_1 = Qt.QWidget()
self.tabs_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom,
self.tabs_widget_1)
self.tabs_grid_layout_1 = Qt.QGridLayout()
self.tabs_layout_1.addLayout(self.tabs_grid_layout_1)
self.tabs.addTab(self.tabs_widget_1, 'Time')
self.top_layout.addWidget(self.tabs)
self.qtgui_time_sink_x_0_0_0_0 = qtgui.time_sink_f(
11200, #size
symbol_rate * samples_per_symbol, #samp_rate
"Signal", #name
2 #number of inputs
)
self.qtgui_time_sink_x_0_0_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0_0_0.set_y_axis(-1.2, 1.2)
self.qtgui_time_sink_x_0_0_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0_0_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0_0_0.set_trigger_mode(
qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0_0_0_0.enable_autoscale(False)
self.qtgui_time_sink_x_0_0_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0_0_0.enable_control_panel(False)
self.qtgui_time_sink_x_0_0_0_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0_0_0_0.disable_legend()
labels = [
"Transmitted", "Received", "Transmitted", '', '', '', '', '', '',
''
]
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1, -1, -1, -1, -1, -1]
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_time_sink_x_0_0_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_0_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_0_0_0.pyqwidget(), Qt.QWidget)
self.tabs_grid_layout_1.addWidget(self._qtgui_time_sink_x_0_0_0_0_win,
3, 0, 7, 1)
[self.tabs_grid_layout_1.setRowStretch(r, 1) for r in range(3, 10)]
[self.tabs_grid_layout_1.setColumnStretch(c, 1) for c in range(0, 1)]
self.qtgui_time_sink_x_0_0_0 = qtgui.time_sink_f(
280, #size
symbol_rate * samples_per_symbol, #samp_rate
"Message", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0_0.set_y_axis(-1.2, 1.2)
self.qtgui_time_sink_x_0_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
qtgui.TRIG_SLOPE_POS,
0.0, 0, 0, "")
self.qtgui_time_sink_x_0_0_0.enable_autoscale(False)
self.qtgui_time_sink_x_0_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0_0.enable_control_panel(False)
self.qtgui_time_sink_x_0_0_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0_0_0.disable_legend()
labels = ['', '', '', '', '', '', '', '', '', '']
widths = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
colors = [
"blue", "red", "green", "black", "cyan", "magenta", "yellow",
"dark red", "dark green", "blue"
]
styles = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
markers = [0, -1, -1, -1, -1, -1, -1, -1, -1, -1]
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_time_sink_x_0_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_0_win = sip.wrapinstance(
self.qtgui_time_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.tabs_grid_layout_1.addWidget(self._qtgui_time_sink_x_0_0_0_win,
10, 0, 7, 1)
[self.tabs_grid_layout_1.setRowStretch(r, 1) for r in range(10, 17)]
[self.tabs_grid_layout_1.setColumnStretch(c, 1) for c in range(0, 1)]
self.qtgui_freq_sink_x_0_0_0 = qtgui.freq_sink_c(
8192, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
sample_rate, #bw
"Received Signal", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0_0_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0_0_0.set_y_axis(-180, 10)
self.qtgui_freq_sink_x_0_0_0.set_y_label('Relative Gain', 'dB')
self.qtgui_freq_sink_x_0_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE,
0.0, 0, "")
self.qtgui_freq_sink_x_0_0_0.enable_autoscale(False)
self.qtgui_freq_sink_x_0_0_0.enable_grid(False)
self.qtgui_freq_sink_x_0_0_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0_0_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0_0_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0_0_0.disable_legend()
if "complex" == "float" or "complex" == "msg_float":
self.qtgui_freq_sink_x_0_0_0.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_0_0_0.set_line_label(
i, "Data {0}".format(i))
else:
self.qtgui_freq_sink_x_0_0_0.set_line_label(i, labels[i])
self.qtgui_freq_sink_x_0_0_0.set_line_width(i, widths[i])
self.qtgui_freq_sink_x_0_0_0.set_line_color(i, colors[i])
self.qtgui_freq_sink_x_0_0_0.set_line_alpha(i, alphas[i])
self._qtgui_freq_sink_x_0_0_0_win = sip.wrapinstance(
self.qtgui_freq_sink_x_0_0_0.pyqwidget(), Qt.QWidget)
self.tabs_grid_layout_0.addWidget(self._qtgui_freq_sink_x_0_0_0_win, 1,
0, 1, 1)
[self.tabs_grid_layout_0.setRowStretch(r, 1) for r in range(1, 2)]
[self.tabs_grid_layout_0.setColumnStretch(c, 1) for c in range(0, 1)]
self.qtgui_freq_sink_x_0_0 = qtgui.freq_sink_c(
8192, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
sample_rate, #bw
"Transmitted Signal", #name
1 #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(-180, 10)
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(False)
self.qtgui_freq_sink_x_0_0.set_fft_average(1.0)
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 = ['', '', '', '', '', '', '', '', '', '']
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_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.tabs_grid_layout_0.addWidget(self._qtgui_freq_sink_x_0_0_win, 0,
0, 1, 1)
[self.tabs_grid_layout_0.setRowStretch(r, 1) for r in range(0, 1)]
[self.tabs_grid_layout_0.setColumnStretch(c, 1) for c in range(0, 1)]
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_f(
8192, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
symbol_rate * samples_per_symbol, #bw
"Demodulated Signal", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-180, 10)
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(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
self.qtgui_freq_sink_x_0.disable_legend()
if "float" == "float" or "float" == "msg_float":
self.qtgui_freq_sink_x_0.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_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.tabs_grid_layout_0.addWidget(self._qtgui_freq_sink_x_0_win, 2, 0,
1, 1)
[self.tabs_grid_layout_0.setRowStretch(r, 1) for r in range(2, 3)]
[self.tabs_grid_layout_0.setColumnStretch(c, 1) for c in range(0, 1)]
self._phase_shift_range = Range(0, 2 * pi, 0.01, 0, 200)
self._phase_shift_win = RangeWidget(self._phase_shift_range,
self.set_phase_shift,
"Channel Phase Shift",
"counter_slider", float)
self.tabs_grid_layout_1.addWidget(self._phase_shift_win, 1, 0, 1, 1)
[self.tabs_grid_layout_1.setRowStretch(r, 1) for r in range(1, 2)]
[self.tabs_grid_layout_1.setColumnStretch(c, 1) for c in range(0, 1)]
self._noise_amp_range = Range(1e-6, 0.1, 1e-6, 1e-6, 200)
self._noise_amp_win = RangeWidget(self._noise_amp_range,
self.set_noise_amp,
"Channel Noise Amplitude",
"counter_slider", float)
self.tabs_grid_layout_1.addWidget(self._noise_amp_win, 2, 0, 1, 1)
[self.tabs_grid_layout_1.setRowStretch(r, 1) for r in range(2, 3)]
[self.tabs_grid_layout_1.setColumnStretch(c, 1) for c in range(0, 1)]
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_fff(
1, (firdes.gaussian(1, samples_per_symbol / 2, 0.25, 100)))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self._freq_shift_range = Range(0, 100e3, 1e3, 1e3, 200)
self._freq_shift_win = RangeWidget(self._freq_shift_range,
self.set_freq_shift,
"Channel Frequency Shift",
"counter_slider", float)
self.tabs_grid_layout_1.addWidget(self._freq_shift_win, 0, 0, 1, 1)
[self.tabs_grid_layout_1.setRowStretch(r, 1) for r in range(0, 1)]
[self.tabs_grid_layout_1.setColumnStretch(c, 1) for c in range(0, 1)]
self.fm_modulator_0 = fm_modulator(
modulation_sensitivity=modulation_sensitivity,
samp_rate=symbol_rate * samples_per_symbol,
)
self.fm_demodulator_0 = fm_demodulator(
modulation_sensitivity=modulation_sensitivity,
samp_rate=sample_rate,
)
self.custom_symbol_sync_early_late_fb_0 = custom.symbol_sync_early_late_fb(
samples_per_symbol, 1 / sample_rate, 0.01 * sample_rate, 0.707,
3.22)
self.custom_rect_encoder_bf_0 = custom.rect_encoder_bf(
samples_per_symbol)
self.custom_frame_sync_bb_0 = custom.frame_sync_bb(([
0, 1, 0, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0,
1, 0, 0, 1, 1, 1, 1, 1, 1, 0
]), 32, 3)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
sample_rate, True)
self.blocks_file_source_0_0 = blocks.file_source(
gr.sizeof_char * 1,
'/home/rpa/code/FloripaSat-I-SDR-Receiver/Binary-Files/fsat-hello.bin',
True)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
##################################################
# Connections
##################################################
self.connect((self.blocks_char_to_float_0, 0),
(self.qtgui_time_sink_x_0_0_0, 0))
self.connect((self.blocks_file_source_0_0, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.fm_demodulator_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.qtgui_freq_sink_x_0_0, 0))
self.connect((self.blocks_throttle_0, 0),
(self.qtgui_freq_sink_x_0_0_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.custom_rect_encoder_bf_0, 0))
self.connect((self.custom_frame_sync_bb_0, 0),
(self.blocks_char_to_float_0, 0))
self.connect((self.custom_rect_encoder_bf_0, 0),
(self.interp_fir_filter_xxx_0, 0))
self.connect((self.custom_symbol_sync_early_late_fb_0, 0),
(self.custom_frame_sync_bb_0, 0))
self.connect((self.fm_demodulator_0, 0),
(self.custom_symbol_sync_early_late_fb_0, 0))
self.connect((self.fm_demodulator_0, 0), (self.qtgui_freq_sink_x_0, 0))
self.connect((self.fm_demodulator_0, 0),
(self.qtgui_time_sink_x_0_0_0_0, 1))
self.connect((self.fm_modulator_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0),
(self.fm_modulator_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0),
(self.qtgui_time_sink_x_0_0_0_0, 0))
def __init__(self, freq=0, gain=40, loopbw=100, loopbw_0=100, fllbw=0.002):
gr.top_block.__init__(self, "Rx Gui")
Qt.QWidget.__init__(self)
self.setWindowTitle("Rx Gui")
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", "rx_gui")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Parameters
##################################################
self.freq = freq
self.gain = gain
self.loopbw = loopbw
self.loopbw_0 = loopbw_0
self.fllbw = fllbw
##################################################
# Variables
##################################################
self.sps = sps = 8
self.excess_bw = excess_bw = 0.25
self.target_samp_rate = target_samp_rate = sps*(200e3/(1 + excess_bw))
self.qpsk_const = qpsk_const = digital.constellation_qpsk().base()
self.dsp_rate = dsp_rate = 100e6
self.const_choice = const_choice = "qpsk"
self.bpsk_const = bpsk_const = digital.constellation_bpsk().base()
self.barker_code_two_dim = barker_code_two_dim = [-1.0000 - 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, 1.0000 + 1.0000j, 1.0000 + 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, 1.0000 + 1.0000j, -1.0000 - 1.0000j, 1.0000 + 1.0000j, -1.0000 - 1.0000j]
self.barker_code_one_dim = barker_code_one_dim = sqrt(2)*numpy.real([-1.0000 - 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, 1.0000 + 1.0000j, 1.0000 + 1.0000j, -1.0000 - 1.0000j, -1.0000 - 1.0000j, 1.0000 + 1.0000j, -1.0000 - 1.0000j, 1.0000 + 1.0000j, -1.0000 - 1.0000j])
self.rrc_delay = rrc_delay = int(round(-44*excess_bw + 33))
self.nfilts = nfilts = 32
self.n_barker_rep = n_barker_rep = 10
self.dec_factor = dec_factor = ceil(dsp_rate/target_samp_rate)
self.constellation = constellation = qpsk_const if (const_choice=="qpsk") else bpsk_const
self.barker_code = barker_code = barker_code_two_dim if (const_choice == "qpsk") else barker_code_one_dim
self.preamble_syms = preamble_syms = numpy.matlib.repmat(barker_code, 1, n_barker_rep)[0]
self.n_rrc_taps = n_rrc_taps = rrc_delay * int(sps*nfilts)
self.n_codewords = n_codewords = 1
self.even_dec_factor = even_dec_factor = dec_factor if (dec_factor % 1 == 1) else (dec_factor+1)
self.const_order = const_order = pow(2,constellation.bits_per_symbol())
self.codeword_len = codeword_len = 18444
self.usrp_rx_addr = usrp_rx_addr = "192.168.10.2"
self.samp_rate = samp_rate = dsp_rate/even_dec_factor
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(nfilts, nfilts*sps, 1.0, excess_bw, n_rrc_taps)
self.rf_center_freq = rf_center_freq = 1428.4309e6
self.preamble_size = preamble_size = len(preamble_syms)
self.pmf_peak_threshold = pmf_peak_threshold = 0.6
self.payload_size = payload_size = codeword_len*n_codewords/int(numpy.log2(const_order))
self.dataword_len = dataword_len = 6144
self.barker_len = barker_len = 13
##################################################
# Blocks
##################################################
self.tabs = Qt.QTabWidget()
self.tabs_widget_0 = Qt.QWidget()
self.tabs_layout_0 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_0)
self.tabs_grid_layout_0 = Qt.QGridLayout()
self.tabs_layout_0.addLayout(self.tabs_grid_layout_0)
self.tabs.addTab(self.tabs_widget_0, 'PMF Out')
self.tabs_widget_1 = Qt.QWidget()
self.tabs_layout_1 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_1)
self.tabs_grid_layout_1 = Qt.QGridLayout()
self.tabs_layout_1.addLayout(self.tabs_grid_layout_1)
self.tabs.addTab(self.tabs_widget_1, 'Abs PMF Out')
self.tabs_widget_2 = Qt.QWidget()
self.tabs_layout_2 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_2)
self.tabs_grid_layout_2 = Qt.QGridLayout()
self.tabs_layout_2.addLayout(self.tabs_grid_layout_2)
self.tabs.addTab(self.tabs_widget_2, 'FLL In')
self.tabs_widget_3 = Qt.QWidget()
self.tabs_layout_3 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_3)
self.tabs_grid_layout_3 = Qt.QGridLayout()
self.tabs_layout_3.addLayout(self.tabs_grid_layout_3)
self.tabs.addTab(self.tabs_widget_3, 'FLL Out')
self.tabs_widget_4 = Qt.QWidget()
self.tabs_layout_4 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_4)
self.tabs_grid_layout_4 = Qt.QGridLayout()
self.tabs_layout_4.addLayout(self.tabs_grid_layout_4)
self.tabs.addTab(self.tabs_widget_4, 'FLL State')
self.tabs_widget_5 = Qt.QWidget()
self.tabs_layout_5 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_5)
self.tabs_grid_layout_5 = Qt.QGridLayout()
self.tabs_layout_5.addLayout(self.tabs_grid_layout_5)
self.tabs.addTab(self.tabs_widget_5, 'PFB Sync Out')
self.tabs_widget_6 = Qt.QWidget()
self.tabs_layout_6 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_6)
self.tabs_grid_layout_6 = Qt.QGridLayout()
self.tabs_layout_6.addLayout(self.tabs_grid_layout_6)
self.tabs.addTab(self.tabs_widget_6, 'Costas State')
self.tabs_widget_7 = Qt.QWidget()
self.tabs_layout_7 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_7)
self.tabs_grid_layout_7 = Qt.QGridLayout()
self.tabs_layout_7.addLayout(self.tabs_grid_layout_7)
self.tabs.addTab(self.tabs_widget_7, 'Demod Bits')
self.tabs_widget_8 = Qt.QWidget()
self.tabs_layout_8 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_8)
self.tabs_grid_layout_8 = Qt.QGridLayout()
self.tabs_layout_8.addLayout(self.tabs_grid_layout_8)
self.tabs.addTab(self.tabs_widget_8, 'Costas Sym Out')
self.tabs_widget_9 = Qt.QWidget()
self.tabs_layout_9 = Qt.QBoxLayout(Qt.QBoxLayout.TopToBottom, self.tabs_widget_9)
self.tabs_grid_layout_9 = Qt.QGridLayout()
self.tabs_layout_9.addLayout(self.tabs_grid_layout_9)
self.tabs.addTab(self.tabs_widget_9, 'Payload Symbols')
self.top_layout.addWidget(self.tabs)
self.rtlsdr_source_0 = osmosdr.source( args="numchan=" + str(1) + " " + '' )
self.rtlsdr_source_0.set_sample_rate(samp_rate)
self.rtlsdr_source_0.set_center_freq(freq, 0)
self.rtlsdr_source_0.set_freq_corr(0, 0)
self.rtlsdr_source_0.set_dc_offset_mode(0, 0)
self.rtlsdr_source_0.set_iq_balance_mode(0, 0)
self.rtlsdr_source_0.set_gain_mode(False, 0)
self.rtlsdr_source_0.set_gain(gain, 0)
self.rtlsdr_source_0.set_if_gain(20, 0)
self.rtlsdr_source_0.set_bb_gain(20, 0)
self.rtlsdr_source_0.set_antenna('', 0)
self.rtlsdr_source_0.set_bandwidth(0, 0)
self.qtgui_time_sink_x_2 = qtgui.time_sink_c(
preamble_size + payload_size, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_2.set_update_time(0.10)
self.qtgui_time_sink_x_2.set_y_axis(-1, 1)
self.qtgui_time_sink_x_2.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_2.enable_tags(-1, True)
self.qtgui_time_sink_x_2.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_2.enable_autoscale(True)
self.qtgui_time_sink_x_2.enable_grid(False)
self.qtgui_time_sink_x_2.enable_axis_labels(True)
self.qtgui_time_sink_x_2.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_2.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
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*1):
if len(labels[i]) == 0:
if(i % 2 == 0):
self.qtgui_time_sink_x_2.set_line_label(i, "Re{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_2.set_line_label(i, "Im{{Data {0}}}".format(i/2))
else:
self.qtgui_time_sink_x_2.set_line_label(i, labels[i])
self.qtgui_time_sink_x_2.set_line_width(i, widths[i])
self.qtgui_time_sink_x_2.set_line_color(i, colors[i])
self.qtgui_time_sink_x_2.set_line_style(i, styles[i])
self.qtgui_time_sink_x_2.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_2.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_2_win = sip.wrapinstance(self.qtgui_time_sink_x_2.pyqwidget(), Qt.QWidget)
self.tabs_layout_0.addWidget(self._qtgui_time_sink_x_2_win)
self.qtgui_time_sink_x_1_0_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_1_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_1_0_0.set_y_axis(-128, 128)
self.qtgui_time_sink_x_1_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1_0_0.enable_tags(-1, False)
self.qtgui_time_sink_x_1_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_1_0_0.enable_autoscale(False)
self.qtgui_time_sink_x_1_0_0.enable_grid(False)
self.qtgui_time_sink_x_1_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_1_0_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_1_0_0.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
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_time_sink_x_1_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_1_0_0.pyqwidget(), Qt.QWidget)
self.tabs_layout_7.addWidget(self._qtgui_time_sink_x_1_0_0_win)
self.qtgui_time_sink_x_1_0 = qtgui.time_sink_f(
1024, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_1_0.set_update_time(0.10)
self.qtgui_time_sink_x_1_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1_0.enable_tags(-1, True)
self.qtgui_time_sink_x_1_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_1_0.enable_autoscale(False)
self.qtgui_time_sink_x_1_0.enable_grid(False)
self.qtgui_time_sink_x_1_0.enable_axis_labels(True)
self.qtgui_time_sink_x_1_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_1_0.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
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_time_sink_x_1_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_0_win = sip.wrapinstance(self.qtgui_time_sink_x_1_0.pyqwidget(), Qt.QWidget)
self.tabs_layout_7.addWidget(self._qtgui_time_sink_x_1_0_win)
self.qtgui_time_sink_x_1 = qtgui.time_sink_f(
8192, #size
samp_rate, #samp_rate
"", #name
3 #number of inputs
)
self.qtgui_time_sink_x_1.set_update_time(0.10)
self.qtgui_time_sink_x_1.set_y_axis(-1, 1)
self.qtgui_time_sink_x_1.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_1.enable_tags(-1, True)
self.qtgui_time_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_1.enable_autoscale(False)
self.qtgui_time_sink_x_1.enable_grid(False)
self.qtgui_time_sink_x_1.enable_axis_labels(True)
self.qtgui_time_sink_x_1.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_1.disable_legend()
labels = ['FLL Freq (PI Output)', 'FLL Phase Accum', 'FLL Error', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
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(3):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_1.set_line_label(i, labels[i])
self.qtgui_time_sink_x_1.set_line_width(i, widths[i])
self.qtgui_time_sink_x_1.set_line_color(i, colors[i])
self.qtgui_time_sink_x_1.set_line_style(i, styles[i])
self.qtgui_time_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_1_win = sip.wrapinstance(self.qtgui_time_sink_x_1.pyqwidget(), Qt.QWidget)
self.tabs_layout_4.addWidget(self._qtgui_time_sink_x_1_win)
self.qtgui_time_sink_x_0_3 = qtgui.time_sink_f(
1024*4, #size
samp_rate, #samp_rate
"Error", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_3.set_update_time(0.10)
self.qtgui_time_sink_x_0_3.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0_3.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_3.enable_tags(-1, True)
self.qtgui_time_sink_x_0_3.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0_3.enable_autoscale(False)
self.qtgui_time_sink_x_0_3.enable_grid(False)
self.qtgui_time_sink_x_0_3.enable_axis_labels(True)
self.qtgui_time_sink_x_0_3.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0_3.disable_legend()
labels = ['', '', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
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_time_sink_x_0_3.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_3.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_3.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_3.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_3.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_3.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_3.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_3_win = sip.wrapinstance(self.qtgui_time_sink_x_0_3.pyqwidget(), Qt.QWidget)
self.tabs_layout_6.addWidget(self._qtgui_time_sink_x_0_3_win)
self.qtgui_time_sink_x_0_0 = qtgui.time_sink_f(
preamble_size + payload_size, #size
samp_rate, #samp_rate
"", #name
1 #number of inputs
)
self.qtgui_time_sink_x_0_0.set_update_time(0.10)
self.qtgui_time_sink_x_0_0.set_y_axis(-1, 1)
self.qtgui_time_sink_x_0_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0_0.enable_autoscale(True)
self.qtgui_time_sink_x_0_0.enable_grid(False)
self.qtgui_time_sink_x_0_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0_0.enable_control_panel(False)
if not True:
self.qtgui_time_sink_x_0_0.disable_legend()
labels = ['Mag Sq', 'Mag', '', '', '',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
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_time_sink_x_0_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0_0.pyqwidget(), Qt.QWidget)
self.tabs_layout_1.addWidget(self._qtgui_time_sink_x_0_0_win)
self.qtgui_sink_x_5 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
True, #plotfreq
False, #plotwaterfall
False, #plottime
True, #plotconst
)
self.qtgui_sink_x_5.set_update_time(1.0/10)
self._qtgui_sink_x_5_win = sip.wrapinstance(self.qtgui_sink_x_5.pyqwidget(), Qt.QWidget)
self.tabs_layout_3.addWidget(self._qtgui_sink_x_5_win)
self.qtgui_sink_x_5.enable_rf_freq(False)
self.qtgui_sink_x_1 = qtgui.sink_c(
1024, #fftsize
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
True, #plotfreq
False, #plotwaterfall
False, #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.tabs_layout_2.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_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
False, #plotfreq
False, #plotwaterfall
False, #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.tabs_layout_5.addWidget(self._qtgui_sink_x_0_win)
self.qtgui_sink_x_0.enable_rf_freq(False)
self.qtgui_freq_sink_x_0 = qtgui.freq_sink_c(
1024, #size
firdes.WIN_BLACKMAN_hARRIS, #wintype
0, #fc
samp_rate, #bw
"", #name
1 #number of inputs
)
self.qtgui_freq_sink_x_0.set_update_time(0.10)
self.qtgui_freq_sink_x_0.set_y_axis(-140, 10)
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(False)
self.qtgui_freq_sink_x_0.set_fft_average(1.0)
self.qtgui_freq_sink_x_0.enable_axis_labels(True)
self.qtgui_freq_sink_x_0.enable_control_panel(False)
if not True:
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 = ['', '', '', '', '',
'', '', '', '', '']
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_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.tabs_layout_2.addWidget(self._qtgui_freq_sink_x_0_win)
self.qtgui_const_sink_x_1 = qtgui.const_sink_c(
1024, #size
"", #name
1 #number of inputs
)
self.qtgui_const_sink_x_1.set_update_time(0.10)
self.qtgui_const_sink_x_1.set_y_axis(-2, 2)
self.qtgui_const_sink_x_1.set_x_axis(-2, 2)
self.qtgui_const_sink_x_1.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, "")
self.qtgui_const_sink_x_1.enable_autoscale(False)
self.qtgui_const_sink_x_1.enable_grid(False)
self.qtgui_const_sink_x_1.enable_axis_labels(True)
if not True:
self.qtgui_const_sink_x_1.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_1.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_const_sink_x_1.set_line_label(i, labels[i])
self.qtgui_const_sink_x_1.set_line_width(i, widths[i])
self.qtgui_const_sink_x_1.set_line_color(i, colors[i])
self.qtgui_const_sink_x_1.set_line_style(i, styles[i])
self.qtgui_const_sink_x_1.set_line_marker(i, markers[i])
self.qtgui_const_sink_x_1.set_line_alpha(i, alphas[i])
self._qtgui_const_sink_x_1_win = sip.wrapinstance(self.qtgui_const_sink_x_1.pyqwidget(), Qt.QWidget)
self.tabs_layout_9.addWidget(self._qtgui_const_sink_x_1_win)
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(-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(False)
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.tabs_layout_8.addWidget(self._qtgui_const_sink_x_0_win)
self.mods_turbo_decoder_0 = mods.turbo_decoder(codeword_len, dataword_len)
self.mods_frame_sync_fast_0 = mods.frame_sync_fast(pmf_peak_threshold, preamble_size, payload_size, 0, 1, 1, int(const_order))
self.mods_fifo_async_sink_0 = mods.fifo_async_sink('/tmp/async_rx')
self.interp_fir_filter_xxx_0_0 = filter.interp_fir_filter_fff(1, ( numpy.ones(n_barker_rep*barker_len)))
self.interp_fir_filter_xxx_0_0.declare_sample_delay(0)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_ccc(1, ( numpy.flipud(numpy.conj(preamble_syms))))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.framers_gr_hdlc_deframer_b_0 = framers.gr_hdlc_deframer_b(0)
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(sps, 2*pi/50, (rrc_taps), nfilts, nfilts/2, pi/8, 1)
self.digital_map_bb_0_0_0 = digital.map_bb(([1,- 1]))
self.digital_fll_band_edge_cc_1 = digital.fll_band_edge_cc(sps, excess_bw, rrc_delay * int(sps) + 1, fllbw)
self.digital_descrambler_bb_0 = digital.descrambler_bb(0x21, 0x7F, 16)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(2*pi/loopbw, 2**constellation.bits_per_symbol(), False)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(constellation.base())
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(constellation.bits_per_symbol())
self.blocks_rms_xx_1 = blocks.rms_cf(0.0001)
self.blocks_pack_k_bits_bb_1 = blocks.pack_k_bits_bb(8)
self.blocks_multiply_xx_0 = blocks.multiply_vff(1)
self.blocks_multiply_const_vxx_1_1 = blocks.multiply_const_vcc((1.0/sqrt(2), ))
self.blocks_multiply_const_vxx_1 = blocks.multiply_const_vcc((1.0/(preamble_size*sqrt(2)), ))
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_divide_xx_1 = blocks.divide_ff(1)
self.blocks_divide_xx_0 = blocks.divide_cc(1)
self.blocks_complex_to_mag_squared_0 = blocks.complex_to_mag_squared(1)
self.blocks_complex_to_mag_1 = blocks.complex_to_mag(1)
self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
##################################################
# Connections
##################################################
self.msg_connect((self.framers_gr_hdlc_deframer_b_0, 'pdu'), (self.mods_fifo_async_sink_0, 'async_pdu'))
self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_1_0, 0))
self.connect((self.blocks_char_to_float_0_1, 0), (self.qtgui_time_sink_x_1_0_0, 0))
self.connect((self.blocks_complex_to_mag_1, 0), (self.blocks_divide_xx_1, 0))
self.connect((self.blocks_complex_to_mag_squared_0, 0), (self.interp_fir_filter_xxx_0_0, 0))
self.connect((self.blocks_divide_xx_0, 0), (self.digital_fll_band_edge_cc_1, 0))
self.connect((self.blocks_divide_xx_0, 0), (self.qtgui_sink_x_1, 0))
self.connect((self.blocks_divide_xx_1, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_divide_xx_1, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_divide_xx_0, 1))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.mods_frame_sync_fast_0, 2))
self.connect((self.blocks_multiply_const_vxx_1, 0), (self.qtgui_time_sink_x_2, 0))
self.connect((self.blocks_multiply_const_vxx_1_1, 0), (self.blocks_complex_to_mag_1, 0))
self.connect((self.blocks_multiply_xx_0, 0), (self.mods_frame_sync_fast_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.qtgui_time_sink_x_0_0, 0))
self.connect((self.blocks_pack_k_bits_bb_1, 0), (self.blocks_char_to_float_0_1, 0))
self.connect((self.blocks_rms_xx_1, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.digital_map_bb_0_0_0, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.blocks_complex_to_mag_squared_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.interp_fir_filter_xxx_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.mods_frame_sync_fast_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, 1), (self.qtgui_time_sink_x_0_3, 0))
self.connect((self.digital_descrambler_bb_0, 0), (self.blocks_char_to_float_0_0, 0))
self.connect((self.digital_descrambler_bb_0, 0), (self.blocks_pack_k_bits_bb_1, 0))
self.connect((self.digital_descrambler_bb_0, 0), (self.framers_gr_hdlc_deframer_b_0, 0))
self.connect((self.digital_fll_band_edge_cc_1, 0), (self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.digital_fll_band_edge_cc_1, 0), (self.qtgui_sink_x_5, 0))
self.connect((self.digital_fll_band_edge_cc_1, 3), (self.qtgui_time_sink_x_1, 2))
self.connect((self.digital_fll_band_edge_cc_1, 1), (self.qtgui_time_sink_x_1, 0))
self.connect((self.digital_fll_band_edge_cc_1, 2), (self.qtgui_time_sink_x_1, 1))
self.connect((self.digital_map_bb_0_0_0, 0), (self.mods_turbo_decoder_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0), (self.qtgui_sink_x_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0), (self.blocks_multiply_const_vxx_1, 0))
self.connect((self.interp_fir_filter_xxx_0, 0), (self.blocks_multiply_const_vxx_1_1, 0))
self.connect((self.interp_fir_filter_xxx_0_0, 0), (self.blocks_divide_xx_1, 1))
self.connect((self.mods_frame_sync_fast_0, 0), (self.digital_constellation_decoder_cb_0, 0))
self.connect((self.mods_frame_sync_fast_0, 0), (self.qtgui_const_sink_x_1, 0))
self.connect((self.mods_turbo_decoder_0, 0), (self.digital_descrambler_bb_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.blocks_divide_xx_0, 0))
self.connect((self.rtlsdr_source_0, 0), (self.blocks_rms_xx_1, 0))
self.connect((self.rtlsdr_source_0, 0), (self.qtgui_freq_sink_x_0, 0))
def __init__(self,
hdr_format=digital.header_format_default(
digital.packet_utils.default_access_code, 0)):
grc_wxgui.top_block_gui.__init__(self, title="QPSK")
##################################################
# Parameters
##################################################
self.hdr_format = hdr_format
##################################################
# Variables
##################################################
self.sps = sps = 8
self.excess_bw = excess_bw = 0.35
self.samp_rate = samp_rate = 32000
self.rrc_taps = rrc_taps = firdes.root_raised_cosine(
1, sps, 1, excess_bw, 45)
self.qpsk1 = qpsk1 = digital.constellation_qpsk().base()
self.our_txt = our_txt = 0
self.code1 = code1 = '010110011011101100010101011111101001001110001011010001101010001'
##################################################
# Blocks
##################################################
self.wxgui_scopesink2_2 = scopesink2.scope_sink_f(
self.GetWin(),
title='Scope Plot',
sample_rate=samp_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label='Counts',
)
self.Add(self.wxgui_scopesink2_2.win)
self.wxgui_scopesink2_0_0 = scopesink2.scope_sink_c(
self.GetWin(),
title='Scope Plot',
sample_rate=samp_rate,
v_scale=0,
v_offset=0,
t_scale=0,
ac_couple=False,
xy_mode=False,
num_inputs=1,
trig_mode=wxgui.TRIG_MODE_AUTO,
y_axis_label='Counts',
)
self.Add(self.wxgui_scopesink2_0_0.win)
self.pluto_source_0 = iio.pluto_source('ip:pluto.local',
int(800000000), int(2084000),
int(20000000), 0x8000, True,
True, True, "manual", 15, '',
True)
self.pluto_sink_2 = iio.pluto_sink('ip:pluto.local', int(800000000),
int(2084000), int(20000000), 0x8000,
False, 0, '', True)
self._our_txt_text_box = forms.text_box(
parent=self.GetWin(),
value=self.our_txt,
callback=self.set_our_txt,
label='our_txt',
converter=forms.str_converter(),
)
self.Add(self._our_txt_text_box)
self.notebook_0 = self.notebook_0 = wx.Notebook(self.GetWin(),
style=wx.NB_TOP)
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "tab1")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "tab2")
self.notebook_0.AddPage(grc_wxgui.Panel(self.notebook_0), "tab3")
self.Add(self.notebook_0)
self.low_pass_filter_2 = filter.fir_filter_ccf(
1,
firdes.low_pass(1, 2084000, 1000000, 500000, firdes.WIN_HAMMING,
6.76))
self.digital_pfb_clock_sync_xxx_0 = digital.pfb_clock_sync_ccf(
sps, 0.0682, (rrc_taps), 64, 16, 1.5, sps)
self.digital_map_bb_0 = digital.map_bb(([0, 1, 2, 3]))
self.digital_lms_dd_equalizer_cc_0 = digital.lms_dd_equalizer_cc(
21, 0.050, sps, qpsk1)
self.digital_diff_decoder_bb_1 = digital.diff_decoder_bb(4)
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(0.0628, 4, True)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=qpsk1,
differential=True,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=excess_bw,
verbose=False,
log=False,
)
self.digital_constellation_decoder_cb_0 = digital.constellation_decoder_cb(
qpsk1)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
self.blocks_file_source_0 = blocks.file_source(
gr.sizeof_char * 1,
'/Users/cake/Desktop/Projects/plutoSDR/2byte.txt', True)
self.blocks_file_source_0.set_begin_tag(pmt.PMT_NIL)
self.blocks_file_sink_1 = blocks.file_sink(
gr.sizeof_char * 1,
'/Users/cake/Desktop/Projects/plutoSDR/out.txt', False)
self.blocks_file_sink_1.set_unbuffered(True)
self.blocks_char_to_float_1 = blocks.char_to_float(1, 1)
self.blks2_packet_encoder_0_0 = grc_blks2.packet_mod_b(
grc_blks2.packet_encoder(
samples_per_symbol=1,
bits_per_symbol=1,
preamble='',
access_code=code1,
pad_for_usrp=False,
),
payload_length=8,
)
self.blks2_packet_decoder_0_0 = grc_blks2.packet_demod_b(
grc_blks2.packet_decoder(
access_code=code1,
threshold=-1,
callback=lambda ok, payload: self.blks2_packet_decoder_0_0.
recv_pkt(ok, payload),
), )
##################################################
# Connections
##################################################
self.connect((self.blks2_packet_decoder_0_0, 0),
(self.blocks_file_sink_1, 0))
self.connect((self.blks2_packet_encoder_0_0, 0),
(self.digital_constellation_modulator_0, 0))
self.connect((self.blocks_char_to_float_1, 0),
(self.wxgui_scopesink2_2, 0))
self.connect((self.blocks_file_source_0, 0),
(self.blks2_packet_encoder_0_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blks2_packet_decoder_0_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0),
(self.blocks_char_to_float_1, 0))
self.connect((self.digital_constellation_decoder_cb_0, 0),
(self.digital_map_bb_0, 0))
self.connect((self.digital_constellation_modulator_0, 0),
(self.pluto_sink_2, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.digital_constellation_decoder_cb_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0),
(self.wxgui_scopesink2_0_0, 0))
self.connect((self.digital_diff_decoder_bb_1, 0),
(self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.digital_lms_dd_equalizer_cc_0, 0),
(self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_map_bb_0, 0),
(self.digital_diff_decoder_bb_1, 0))
self.connect((self.digital_pfb_clock_sync_xxx_0, 0),
(self.digital_lms_dd_equalizer_cc_0, 0))
self.connect((self.low_pass_filter_2, 0),
(self.digital_pfb_clock_sync_xxx_0, 0))
self.connect((self.pluto_source_0, 0), (self.low_pass_filter_2, 0))
def __init__(self):
gr.top_block.__init__(self, "Tetra Rx Multi")
options = self.get_options()
##################################################
# Variables
##################################################
self.srate_rx = srate_rx = options.sample_rate
self.channels = srate_rx / 25000
self.srate_channel = 36000
self.afc_period = 5
self.afc_gain = 1.
self.afc_channel = options.auto_tune or -1
self.afc_ppm_step = 100
self.debug = options.debug
self.last_pwr = -100000
self.sig_det_period = 1
self.sig_det_bw = sig_det_bw = options.sig_detection_bw or srate_rx
if self.sig_det_bw <= 1.:
self.sig_det_bw *= srate_rx
self.sig_det_threshold = options.sig_detection_threshold
self.sig_det_channels = []
for ch in range(self.channels):
if ch >= self.channels / 2:
ch_ = (self.channels - ch - 1)
else:
ch_ = ch
if (float(ch_) / self.channels * 2) <= (self.sig_det_bw / srate_rx):
self.sig_det_channels.append(ch)
##################################################
# RPC server
##################################################
self.xmlrpc_server = SimpleXMLRPCServer.SimpleXMLRPCServer(
("localhost", options.listen_port), allow_none=True)
self.xmlrpc_server.register_instance(self)
threading.Thread(target=self.xmlrpc_server.serve_forever).start()
##################################################
# Rx Blocks and connections
##################################################
self.src = osmosdr.source( args=options.args )
self.src.set_sample_rate(srate_rx)
self.src.set_center_freq(options.frequency, 0)
self.src.set_freq_corr(options.ppm, 0)
self.src.set_dc_offset_mode(0, 0)
self.src.set_iq_balance_mode(0, 0)
if options.gain is not None:
self.src.set_gain_mode(False, 0)
self.src.set_gain(36, 0)
else:
self.src.set_gain_mode(True, 0)
out_type, dst_path = options.output.split("://", 1)
if out_type == "udp":
dst_ip, dst_port = dst_path.split(':', 1)
self.freq_xlating = freq_xlating_fft_filter_ccc(1, (1, ), 0, srate_rx)
self.channelizer = pfb.channelizer_ccf(
self.channels,
(firdes.root_raised_cosine(1, srate_rx, 18000, 0.35, 1024)),
36./25.,
100)
self.squelch = []
self.digital_mpsk_receiver_cc = []
self.diff_phasor = []
self.complex_to_arg = []
self.multiply_const = []
self.add_const = []
self.float_to_uchar = []
self.map_bits = []
self.unpack_k_bits = []
self.blocks_sink = []
for ch in range(0, self.channels):
squelch = analog.pwr_squelch_cc(0, 0.001, 0, True)
mpsk = digital.mpsk_receiver_cc(
4, math.pi/4, math.pi/100.0, -0.5, 0.5, 0.25, 0.001, 2, 0.001, 0.001)
diff_phasor = digital.diff_phasor_cc()
complex_to_arg = blocks.complex_to_arg(1)
multiply_const = blocks.multiply_const_vff((2./math.pi, ))
add_const = blocks.add_const_vff((1.5, ))
float_to_uchar = blocks.float_to_uchar()
map_bits = digital.map_bb(([3, 2, 0, 1, 3]))
unpack_k_bits = blocks.unpack_k_bits_bb(2)
if out_type == 'udp':
sink = blocks.udp_sink(gr.sizeof_gr_char, dst_ip, int(dst_port)+ch, 1472, True)
elif out_type == 'file':
sink = blocks.file_sink(gr.sizeof_char, dst_path % ch, False)
sink.set_unbuffered(True)
else:
raise ValueError("Invalid output URL '%s'" % options.output)
self.connect((self.channelizer, ch),
(squelch, 0),
(mpsk, 0),
(diff_phasor, 0),
(complex_to_arg, 0),
(multiply_const, 0),
(add_const, 0),
(float_to_uchar, 0),
(map_bits, 0),
(unpack_k_bits, 0),
(sink, 0))
self.squelch.append(squelch)
self.digital_mpsk_receiver_cc.append(mpsk)
self.diff_phasor.append(diff_phasor)
self.complex_to_arg.append(complex_to_arg)
self.multiply_const.append(multiply_const)
self.add_const.append(add_const)
self.float_to_uchar.append(float_to_uchar)
self.map_bits.append(map_bits)
self.unpack_k_bits.append(unpack_k_bits)
self.blocks_sink.append(sink)
self.connect(
(self.src, 0),
(self.freq_xlating, 0),
(self.channelizer, 0))
##################################################
# signal strenght identification
##################################################
self.pwr_probes = []
for ch in range(self.channels):
pwr_probe = analog.probe_avg_mag_sqrd_c(0, 1./self.srate_channel)
self.pwr_probes.append(pwr_probe)
self.connect((self.channelizer, ch), (pwr_probe, 0))
def _sig_det_probe():
while True:
pwr = [self.pwr_probes[ch].level()
for ch in range(self.channels)
if ch in self.sig_det_channels]
pwr = [10 * math.log10(p) for p in pwr if p > 0.]
if not pwr:
continue
pwr = min(pwr) + self.sig_det_threshold
print "Power level for squelch % 5.1f" % pwr
if abs(pwr - self.last_pwr) > (self.sig_det_threshold / 2):
for s in self.squelch:
s.set_threshold(pwr)
self.last_pwr = pwr
time.sleep(self.sig_det_period)
if self.sig_det_threshold is not None:
self._sig_det_probe_thread = threading.Thread(target=_sig_det_probe)
self._sig_det_probe_thread.daemon = True
self._sig_det_probe_thread.start()
##################################################
# AFC blocks and connections
##################################################
self.afc_selector = grc_blks2.selector(
item_size=gr.sizeof_gr_complex,
num_inputs=self.channels,
num_outputs=1,
input_index=0,
output_index=0,
)
self.afc_demod = analog.quadrature_demod_cf(self.srate_channel/(2*math.pi))
samp_afc = self.srate_channel*self.afc_period / 2
self.afc_avg = blocks.moving_average_ff(samp_afc, 1./samp_afc*self.afc_gain)
self.afc_probe = blocks.probe_signal_f()
def _afc_probe():
while True:
time.sleep(self.afc_period)
if self.afc_channel == -1:
continue
err = self.afc_probe.level()
if abs(err) < self.afc_ppm_step:
continue
freq = self.freq_xlating.center_freq + err * self.afc_gain
if self.debug:
print "err: %f\tfreq: %f" % (err, freq, )
self.freq_xlating.set_center_freq(freq)
self._afc_err_thread = threading.Thread(target=_afc_probe)
self._afc_err_thread.daemon = True
self._afc_err_thread.start()
for ch in range(self.channels):
self.connect((self.channelizer, ch), (self.afc_selector, ch))
self.connect(
(self.afc_selector, 0),
(self.afc_demod, 0),
(self.afc_avg, 0),
(self.afc_probe, 0))
if self.afc_channel != -1:
self.afc_selector.set_input_index(self.afc_channel)
def main(args):
nargs = len(args)
if nargs == 1:
infile = args[0]
outfile = None
elif nargs == 2:
infile = args[0]
outfile = args[1]
else:
sys.stderr.write("Usage: dvbs-blade.py input_file [output_file]\n")
sys.exit(1)
symbol_rate = 4500000
samp_rate = symbol_rate * 2
code_rate = dvbs.C1_2
rrc_taps = 20
center_freq = 435000000
txvga1_gain = -4
txvga2_gain = 1
bandwidth = 6000000
tb = gr.top_block()
src = blocks.file_source(gr.sizeof_char, infile, True)
dvbs_randomizer = dvbs.randomizer_bb()
dvbs_reed_solomon_enc = dvbs.reed_solomon_enc_bb()
dvbs_interleaver = dvbs.interleaver_bb()
blocks_packed_to_unpacked = blocks.packed_to_unpacked_bb(
1, gr.GR_MSB_FIRST)
trellis_encoder = trellis.encoder_bb(trellis.fsm(1, 2, (0171, 0133)), 0)
blocks_unpack_k_bits = blocks.unpack_k_bits_bb(2)
dvbs_puncture = dvbs.puncture_bb(code_rate)
blocks_pack_k_bits = blocks.pack_k_bits_bb(2)
digital_chunks_to_symbols = digital.chunks_to_symbols_bc(([
complex(0.70710678, 0.70710678),
complex(0.70710678, -0.70710678),
complex(-0.70710678, 0.70710678),
complex(-0.70710678, -0.70710678)
]), 1)
interp_fir_filter = filter.interp_fir_filter_ccc(
2, (firdes.root_raised_cosine(1.79, samp_rate, samp_rate / 2, 0.35,
rrc_taps)))
interp_fir_filter.declare_sample_delay(0)
out = osmosdr.sink(args="bladerf=0,buffers=128,buflen=32768")
out.set_sample_rate(samp_rate)
out.set_center_freq(center_freq, 0)
out.set_freq_corr(0, 0)
out.set_gain(txvga2_gain, 0)
out.set_bb_gain(txvga1_gain, 0)
out.set_bandwidth(bandwidth, 0)
tb.connect(src, dvbs_randomizer)
tb.connect(dvbs_randomizer, dvbs_reed_solomon_enc)
tb.connect(dvbs_reed_solomon_enc, dvbs_interleaver)
tb.connect(dvbs_interleaver, blocks_packed_to_unpacked)
tb.connect(blocks_packed_to_unpacked, trellis_encoder)
tb.connect(trellis_encoder, blocks_unpack_k_bits)
tb.connect(blocks_unpack_k_bits, dvbs_puncture)
tb.connect(dvbs_puncture, blocks_pack_k_bits)
tb.connect(blocks_pack_k_bits, digital_chunks_to_symbols)
tb.connect(digital_chunks_to_symbols, interp_fir_filter)
tb.connect(interp_fir_filter, out)
if outfile:
dst = blocks.file_sink(gr.sizeof_gr_complex, outfile)
tb.connect(interp_fir_filter, dst)
tb.run()
def __init__(self):
gr.top_block.__init__(self, "Bpsk Sender1")
##################################################
# Variables
##################################################
self.sps = sps = 8
self.nfilts = nfilts = 32
self.transistion = transistion = 100
self.sideband_rx = sideband_rx = 500
self.sideband = sideband = 500
self.samp_rate = samp_rate = 48000
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_rect(([0.707+0.707j, -0.707+0.707j, -0.707-0.707j, 0.707-0.707j]), ([0, 1, 2, 3]), 4, 2, 2, 1, 1).base()
self.preamble = preamble = [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.payload_size = payload_size = 10
self.interpolation = interpolation = 2000
self.gap = gap = 0
self.eb = eb = 0.35
self.delay = delay = 0
self.decimation = decimation = 1
self.constel = constel = digital.constellation_calcdist(([1,- 1]), ([0,1]), 2, 1).base()
self.const_type = const_type = 1
self.const = const = (digital.constellation_bpsk(), digital.constellation_qpsk(), digital.constellation_8psk())
self.carrier = carrier = 10000
self.arity = arity = 2
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=interpolation,
decimation=decimation,
taps=None,
fractional_bw=None,
)
self.freq_xlating_fir_filter_xxx_0 = filter.freq_xlating_fir_filter_ccc(1, (firdes.band_pass (0.5,samp_rate,10000-sideband,10000+sideband,transistion)), -carrier, samp_rate)
self.digital_constellation_modulator_0 = digital.generic_mod(
constellation=constel,
differential=True,
samples_per_symbol=sps,
pre_diff_code=True,
excess_bw=0.35,
verbose=False,
log=False,
)
self.blocks_wavfile_sink_1 = blocks.wavfile_sink("BPSK_output.wav", 1, 48000, 16)
self.blocks_unpack_k_bits_bb_0_0 = blocks.unpack_k_bits_bb(8)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_vff((0.1, ))
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "TestData2", False)
self.blocks_file_sink_0_0_0 = blocks.file_sink(gr.sizeof_char*1, "inputBinary", False)
self.blocks_file_sink_0_0_0.set_unbuffered(False)
self.blocks_file_sink_0_0 = blocks.file_sink(gr.sizeof_char*1, "inputBinary2", False)
self.blocks_file_sink_0_0.set_unbuffered(False)
script, sdelay= argv
self.blocks_delay_0_0 = blocks.delay(gr.sizeof_char*1, int(sdelay))
self.blocks_complex_to_real_0 = blocks.complex_to_real(1)
##################################################
# Connections
##################################################
self.connect((self.blocks_complex_to_real_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.blocks_delay_0_0, 0), (self.blocks_file_sink_0_0, 0))
self.connect((self.blocks_delay_0_0, 0), (self.blocks_file_sink_0_0_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.blocks_unpack_k_bits_bb_0_0, 0))
self.connect((self.blocks_file_source_0, 0), (self.digital_constellation_modulator_0, 0))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.blocks_wavfile_sink_1, 0))
self.connect((self.blocks_unpack_k_bits_bb_0_0, 0), (self.blocks_delay_0_0, 0))
self.connect((self.digital_constellation_modulator_0, 0), (self.rational_resampler_xxx_0, 0))
self.connect((self.freq_xlating_fir_filter_xxx_0, 0), (self.blocks_complex_to_real_0, 0))
self.connect((self.rational_resampler_xxx_0, 0), (self.freq_xlating_fir_filter_xxx_0, 0))
def __init__(self):
grc_wxgui.top_block_gui.__init__(self, title="Dvbs Tx")
##################################################
# Variables
##################################################
self.symbol_rate = symbol_rate = 4500000
self.samp_rate = samp_rate = symbol_rate * 2
self.rrc_taps = rrc_taps = 20
##################################################
# Blocks
##################################################
self.wxgui_fftsink2_0 = fftsink2.fft_sink_c(
self.GetWin(),
baseband_freq=435000000,
y_per_div=10,
y_divs=10,
ref_level=0,
ref_scale=2.0,
sample_rate=samp_rate,
fft_size=1024,
fft_rate=15,
average=True,
avg_alpha=None,
title="FFT Plot",
peak_hold=False,
)
self.Add(self.wxgui_fftsink2_0.win)
self.trellis_encoder_xx_0 = trellis.encoder_bb(trellis.fsm(1, 2, (0171, 0133)), 0)
self.osmosdr_sink_0 = osmosdr.sink( args="numchan=" + str(1) + " " + "" )
self.osmosdr_sink_0.set_sample_rate(samp_rate)
self.osmosdr_sink_0.set_center_freq(435e6, 0)
self.osmosdr_sink_0.set_freq_corr(0, 0)
self.osmosdr_sink_0.set_gain(2, 0)
self.osmosdr_sink_0.set_if_gain(0, 0)
self.osmosdr_sink_0.set_bb_gain(-4, 0)
self.osmosdr_sink_0.set_antenna("", 0)
self.osmosdr_sink_0.set_bandwidth(6000000, 0)
self.fft_filter_xxx_0 = filter.fft_filter_ccc(1, (firdes.root_raised_cosine(1.79, samp_rate, samp_rate/2, 0.35, rrc_taps)), 1)
self.fft_filter_xxx_0.declare_sample_delay(0)
self.dvbs_reed_solomon_enc_bb_0 = dvbs.reed_solomon_enc_bb()
self.dvbs_randomizer_bb_0 = dvbs.randomizer_bb()
self.dvbs_puncture_bb_0 = dvbs.puncture_bb(dvbs.C1_2)
self.dvbs_modulator_bc_0 = dvbs.modulator_bc()
self.dvbs_interleaver_bb_0 = dvbs.interleaver_bb()
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(2)
self.blocks_packed_to_unpacked_xx_0 = blocks.packed_to_unpacked_bb(1, gr.GR_MSB_FIRST)
self.blocks_pack_k_bits_bb_0 = blocks.pack_k_bits_bb(2)
self.blocks_file_source_0 = blocks.file_source(gr.sizeof_char*1, "/home/re/xfer/adv.ts", False)
##################################################
# Connections
##################################################
self.connect((self.blocks_file_source_0, 0), (self.dvbs_randomizer_bb_0, 0))
self.connect((self.dvbs_randomizer_bb_0, 0), (self.dvbs_reed_solomon_enc_bb_0, 0))
self.connect((self.dvbs_reed_solomon_enc_bb_0, 0), (self.dvbs_interleaver_bb_0, 0))
self.connect((self.dvbs_interleaver_bb_0, 0), (self.blocks_packed_to_unpacked_xx_0, 0))
self.connect((self.blocks_packed_to_unpacked_xx_0, 0), (self.trellis_encoder_xx_0, 0))
self.connect((self.trellis_encoder_xx_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.dvbs_puncture_bb_0, 0))
self.connect((self.dvbs_puncture_bb_0, 0), (self.blocks_pack_k_bits_bb_0, 0))
self.connect((self.dvbs_modulator_bc_0, 0), (self.fft_filter_xxx_0, 0))
self.connect((self.blocks_pack_k_bits_bb_0, 0), (self.dvbs_modulator_bc_0, 0))
self.connect((self.fft_filter_xxx_0, 0), (self.osmosdr_sink_0, 0))
self.connect((self.fft_filter_xxx_0, 0), (self.wxgui_fftsink2_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Sync Test")
Qt.QWidget.__init__(self)
self.setWindowTitle("Sync Test")
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", "sync_test")
self.restoreGeometry(self.settings.value("geometry").toByteArray())
##################################################
# Variables
##################################################
self.pream_len = pream_len = 84
self.samp_rate = samp_rate = 32000
self.pream = pream = (mapper.preamble_generator(pream_len,511,1033)).get_preamble()
self.SNR = SNR = 40
self.Rotation = Rotation = 0
self.Offset = Offset = 0
##################################################
# Blocks
##################################################
self._SNR_tool_bar = Qt.QToolBar(self)
self._SNR_tool_bar.addWidget(Qt.QLabel("SNR"+": "))
self._SNR_line_edit = Qt.QLineEdit(str(self.SNR))
self._SNR_tool_bar.addWidget(self._SNR_line_edit)
self._SNR_line_edit.returnPressed.connect(
lambda: self.set_SNR(eng_notation.str_to_num(self._SNR_line_edit.text().toAscii())))
self.top_layout.addWidget(self._SNR_tool_bar)
self._Rotation_layout = Qt.QVBoxLayout()
self._Rotation_label = Qt.QLabel("Rotation")
self._Rotation_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._Rotation_slider.setRange(0, 2*pi, pi/100)
self._Rotation_slider.setValue(self.Rotation)
self._Rotation_slider.setMinimumWidth(200)
self._Rotation_slider.valueChanged.connect(self.set_Rotation)
self._Rotation_label.setAlignment(Qt.Qt.AlignBottom | Qt.Qt.AlignHCenter)
self._Rotation_layout.addWidget(self._Rotation_label)
self._Rotation_layout.addWidget(self._Rotation_slider)
self.top_layout.addLayout(self._Rotation_layout)
self._Offset_layout = Qt.QVBoxLayout()
self._Offset_tool_bar = Qt.QToolBar(self)
self._Offset_layout.addWidget(self._Offset_tool_bar)
self._Offset_tool_bar.addWidget(Qt.QLabel("Offset"+": "))
self._Offset_counter = Qwt.QwtCounter()
self._Offset_counter.setRange(-100, 100, 1)
self._Offset_counter.setNumButtons(2)
self._Offset_counter.setValue(self.Offset)
self._Offset_tool_bar.addWidget(self._Offset_counter)
self._Offset_counter.valueChanged.connect(self.set_Offset)
self._Offset_slider = Qwt.QwtSlider(None, Qt.Qt.Horizontal, Qwt.QwtSlider.BottomScale, Qwt.QwtSlider.BgSlot)
self._Offset_slider.setRange(-100, 100, 1)
self._Offset_slider.setValue(self.Offset)
self._Offset_slider.setMinimumWidth(200)
self._Offset_slider.valueChanged.connect(self.set_Offset)
self._Offset_layout.addWidget(self._Offset_slider)
self.top_layout.addLayout(self._Offset_layout)
self.qtgui_const_sink_x_0_1 = qtgui.const_sink_c(
840-84, #size
"QT GUI Plot", #name
1 #number of inputs
)
self.qtgui_const_sink_x_0_1.set_update_time(0.10)
self.qtgui_const_sink_x_0_1.set_y_axis(-2, 2)
self.qtgui_const_sink_x_0_1.set_x_axis(-2, 2)
self._qtgui_const_sink_x_0_1_win = sip.wrapinstance(self.qtgui_const_sink_x_0_1.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_0_1_win)
self.qtgui_const_sink_x_0 = qtgui.const_sink_c(
840-84, #size
"QT GUI Plot", #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(-2, 2)
self.qtgui_const_sink_x_0.set_x_axis(-2, 2)
self._qtgui_const_sink_x_0_win = sip.wrapinstance(self.qtgui_const_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_layout.addWidget(self._qtgui_const_sink_x_0_win)
self.mapper_preamble_sync_cc_0 = mapper.preamble_sync_cc(pream_len*10, (pream), mapper.PSK8, ([0,1,2,3,4,5,6,7]), .97, .90)
self.mapper_preamble_insert_bb_0 = mapper.preamble_insert_bb(pream_len*10, (pream))
self.mapper_mapper_0 = mapper.mapper(mapper.PSK8, ([0,1,2,3,4,5,6,7]))
self.mapper_demapper_0 = mapper.demapper(mapper.PSK8, ([0,1,2,3,4,5,6,7]))
self.digital_costas_loop_cc_0 = digital.costas_loop_cc(1.5*pi/100, 8)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=10**(-SNR/20.0),
frequency_offset=Offset,
epsilon=1.0,
taps=(exp( (0 + 1j*Rotation) ), ),
noise_seed=0,
block_tags=False
)
self.blocks_vector_sink_x_0_0 = blocks.vector_sink_b(1)
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(3)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate)
self.analog_random_source_x_0 = blocks.vector_source_b(map(int, numpy.random.randint(0, 7, 10000)), True)
##################################################
# Connections
##################################################
self.connect((self.mapper_preamble_insert_bb_0, 0), (self.mapper_mapper_0, 0))
self.connect((self.mapper_preamble_sync_cc_0, 0), (self.mapper_demapper_0, 0))
self.connect((self.mapper_mapper_0, 0), (self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.digital_costas_loop_cc_0, 0))
self.connect((self.digital_costas_loop_cc_0, 0), (self.mapper_preamble_sync_cc_0, 0))
self.connect((self.mapper_preamble_sync_cc_0, 0), (self.qtgui_const_sink_x_0_1, 0))
self.connect((self.analog_random_source_x_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.mapper_preamble_insert_bb_0, 0))
self.connect((self.mapper_demapper_0, 0), (self.blocks_vector_sink_x_0_0, 0))
self.connect((self.channels_channel_model_0, 0), (self.qtgui_const_sink_x_0, 0))
def __init__(self, frame_size=100, puncpat='11'):
gr.top_block.__init__(self, "Fecapi Ldpc Decoders")
Qt.QWidget.__init__(self)
self.setWindowTitle("Fecapi Ldpc Decoders")
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", "fecapi_ldpc_decoders")
self.restoreGeometry(self.settings.value("geometry", type=QtCore.QByteArray))
##################################################
# Parameters
##################################################
self.frame_size = frame_size
self.puncpat = puncpat
##################################################
# Variables
##################################################
self.H = H = fec.ldpc_H_matrix(gr.prefix() + "/share/gnuradio/fec/ldpc/" + "n_0100_k_0042_gap_02.alist", 2)
self.G = G = fec.ldpc_G_matrix(gr.prefix() + "/share/gnuradio/fec/ldpc/" + "n_0100_k_0058_gen_matrix.alist")
self.samp_rate = samp_rate = 50000
self.ldpc_enc_H = ldpc_enc_H = fec.ldpc_par_mtrx_encoder_make_H(H)
self.ldpc_enc_G = ldpc_enc_G = fec.ldpc_gen_mtrx_encoder_make(G)
self.ldpc_enc = ldpc_enc = fec.ldpc_encoder_make(gr.prefix() + "/share/gnuradio/fec/ldpc/" + "n_0100_k_0042_gap_02.alist");
self.ldpc_dec_H = ldpc_dec_H = fec.ldpc_bit_flip_decoder.make(H.get_base_sptr(), 100)
self.ldpc_dec_G = ldpc_dec_G = fec.ldpc_bit_flip_decoder.make(G.get_base_sptr(), 100)
self.ldpc_dec = ldpc_dec = fec.ldpc_decoder.make(gr.prefix() + "/share/gnuradio/fec/ldpc/" + "n_0100_k_0042_gap_02.alist", 0.5, 50);
##################################################
# Blocks
##################################################
self.qtgui_time_sink_x_0 = qtgui.time_sink_f(
2048, #size
samp_rate, #samp_rate
'', #name
4 #number of inputs
)
self.qtgui_time_sink_x_0.set_update_time(0.01)
self.qtgui_time_sink_x_0.set_y_axis(-0.5, 1.5)
self.qtgui_time_sink_x_0.set_y_label('Amplitude', "")
self.qtgui_time_sink_x_0.enable_tags(-1, True)
self.qtgui_time_sink_x_0.set_trigger_mode(qtgui.TRIG_MODE_FREE, qtgui.TRIG_SLOPE_POS, 0.0, 0, 0, "")
self.qtgui_time_sink_x_0.enable_autoscale(False)
self.qtgui_time_sink_x_0.enable_grid(False)
self.qtgui_time_sink_x_0.enable_axis_labels(True)
self.qtgui_time_sink_x_0.enable_control_panel(False)
self.qtgui_time_sink_x_0.enable_stem_plot(False)
if not True:
self.qtgui_time_sink_x_0.disable_legend()
labels = ['Input', 'LDPC (alist)', 'LDPC (H)', 'LDPC (G)', 'CCSDS',
'', '', '', '', '']
widths = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
colors = ["blue", "red", "green", "black", "cyan",
"magenta", "yellow", "dark red", "dark green", "blue"]
styles = [1, 1, 1, 1, 1,
1, 1, 1, 1, 1]
markers = [-1, -1, -1, -1, -1,
-1, -1, -1, -1, -1]
alphas = [1.0, 0.6, 1.0, 1.0, 1.0,
1.0, 1.0, 1.0, 1.0, 1.0]
for i in xrange(4):
if len(labels[i]) == 0:
self.qtgui_time_sink_x_0.set_line_label(i, "Data {0}".format(i))
else:
self.qtgui_time_sink_x_0.set_line_label(i, labels[i])
self.qtgui_time_sink_x_0.set_line_width(i, widths[i])
self.qtgui_time_sink_x_0.set_line_color(i, colors[i])
self.qtgui_time_sink_x_0.set_line_style(i, styles[i])
self.qtgui_time_sink_x_0.set_line_marker(i, markers[i])
self.qtgui_time_sink_x_0.set_line_alpha(i, alphas[i])
self._qtgui_time_sink_x_0_win = sip.wrapinstance(self.qtgui_time_sink_x_0.pyqwidget(), Qt.QWidget)
self.top_grid_layout.addWidget(self._qtgui_time_sink_x_0_win)
self.fec_extended_encoder_1_0_0 = fec.extended_encoder(encoder_obj_list=ldpc_enc, threading= None, puncpat=puncpat)
self.fec_extended_encoder_1_0 = fec.extended_encoder(encoder_obj_list=ldpc_enc_H, threading= None, puncpat=puncpat)
self.fec_extended_encoder_1 = fec.extended_encoder(encoder_obj_list=ldpc_enc_G, threading= None, puncpat=puncpat)
self.fec_extended_decoder_0_1_0 = fec.extended_decoder(decoder_obj_list=ldpc_dec, threading= None, ann=None, puncpat=puncpat, integration_period=10000)
self.fec_extended_decoder_0_1 = fec.extended_decoder(decoder_obj_list=ldpc_dec_H, threading= None, ann=None, puncpat=puncpat, integration_period=10000)
self.fec_extended_decoder_0 = fec.extended_decoder(decoder_obj_list=ldpc_dec_G, threading= None, ann=None, puncpat=puncpat, integration_period=10000)
self.digital_map_bb_0_0_0_0 = digital.map_bb(([-1, 1]))
self.digital_map_bb_0_0_0 = digital.map_bb(([-1, 1]))
self.digital_map_bb_0_0 = digital.map_bb(([-1, 1]))
self.blocks_vector_source_x_0_1_0 = blocks.vector_source_b((frame_size/15)*[0, 0, 1, 0, 3, 0, 7, 0, 15, 0, 31, 0, 63, 0, 127], True, 1, [])
self.blocks_unpack_k_bits_bb_0 = blocks.unpack_k_bits_bb(8)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_char*1, samp_rate,True)
self.blocks_char_to_float_0_2_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_2 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_1 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_0_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0_0 = blocks.char_to_float(1, 1)
self.blocks_char_to_float_0 = blocks.char_to_float(1, 1)
##################################################
# Connections
##################################################
self.connect((self.blocks_char_to_float_0, 0), (self.fec_extended_decoder_0, 0))
self.connect((self.blocks_char_to_float_0_0, 0), (self.qtgui_time_sink_x_0, 3))
self.connect((self.blocks_char_to_float_0_0_0, 0), (self.qtgui_time_sink_x_0, 2))
self.connect((self.blocks_char_to_float_0_0_0_0, 0), (self.qtgui_time_sink_x_0, 1))
self.connect((self.blocks_char_to_float_0_1, 0), (self.qtgui_time_sink_x_0, 0))
self.connect((self.blocks_char_to_float_0_2, 0), (self.fec_extended_decoder_0_1, 0))
self.connect((self.blocks_char_to_float_0_2_0, 0), (self.fec_extended_decoder_0_1_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_unpack_k_bits_bb_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.blocks_char_to_float_0_1, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.fec_extended_encoder_1, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.fec_extended_encoder_1_0, 0))
self.connect((self.blocks_unpack_k_bits_bb_0, 0), (self.fec_extended_encoder_1_0_0, 0))
self.connect((self.blocks_vector_source_x_0_1_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.digital_map_bb_0_0, 0), (self.blocks_char_to_float_0, 0))
self.connect((self.digital_map_bb_0_0_0, 0), (self.blocks_char_to_float_0_2, 0))
self.connect((self.digital_map_bb_0_0_0_0, 0), (self.blocks_char_to_float_0_2_0, 0))
self.connect((self.fec_extended_decoder_0, 0), (self.blocks_char_to_float_0_0, 0))
self.connect((self.fec_extended_decoder_0_1, 0), (self.blocks_char_to_float_0_0_0, 0))
self.connect((self.fec_extended_decoder_0_1_0, 0), (self.blocks_char_to_float_0_0_0_0, 0))
self.connect((self.fec_extended_encoder_1, 0), (self.digital_map_bb_0_0, 0))
self.connect((self.fec_extended_encoder_1_0, 0), (self.digital_map_bb_0_0_0, 0))
self.connect((self.fec_extended_encoder_1_0_0, 0), (self.digital_map_bb_0_0_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))
