def __init__(self):
gr.top_block.__init__(self, "Sim Lor")
self._lock = threading.RLock()
##################################################
# Variables
##################################################
self.bw = bw = 250000
self.sf = sf = 7
self.samp_rate = samp_rate = bw
self.pay_len = pay_len = 64
self.n_frame = n_frame = 5
self.mult_const = mult_const = 1
self.impl_head = impl_head = True
self.has_crc = has_crc = False
self.frame_period = frame_period = 200
self.cr = cr = 0
##################################################
# Blocks
##################################################
self.lora_sdr_whitening_0 = lora_sdr.whitening()
self.lora_sdr_modulate_0 = lora_sdr.modulate(sf, samp_rate, bw)
self.lora_sdr_modulate_0.set_min_output_buffer(10000000)
self.lora_sdr_interleaver_0 = lora_sdr.interleaver(cr, sf)
self.lora_sdr_header_decoder_0 = lora_sdr.header_decoder(
impl_head, cr, pay_len, has_crc)
self.lora_sdr_header_0 = lora_sdr.header(impl_head, has_crc, cr)
self.lora_sdr_hamming_enc_0 = lora_sdr.hamming_enc(cr, sf)
self.lora_sdr_hamming_dec_0 = lora_sdr.hamming_dec()
self.lora_sdr_gray_enc_0 = lora_sdr.gray_enc()
self.lora_sdr_gray_decode_0 = lora_sdr.gray_decode(sf)
self.lora_sdr_frame_sync_0 = lora_sdr.frame_sync(
samp_rate, bw, sf, impl_head)
self.lora_sdr_fft_demod_0 = lora_sdr.fft_demod(samp_rate, bw, sf,
impl_head)
self.lora_sdr_err_measures_0 = lora_sdr.err_measures()
self.lora_sdr_dewhitening_0 = lora_sdr.dewhitening()
self.lora_sdr_deinterleaver_0 = lora_sdr.deinterleaver(sf)
self.lora_sdr_data_source_0_1_0 = lora_sdr.data_source(
pay_len, n_frame, '')
self.lora_sdr_crc_verif_0 = lora_sdr.crc_verif()
self.lora_sdr_add_crc_0 = lora_sdr.add_crc(has_crc)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_ccf(
4, (-0.128616616593872, -0.212206590789194, -0.180063263231421,
3.89817183251938e-17, 0.300105438719035, 0.636619772367581,
0.900316316157106, 1, 0.900316316157106, 0.636619772367581,
0.300105438719035, 3.89817183251938e-17, -0.180063263231421,
-0.212206590789194, -0.128616616593872))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_message_strobe_random_0_1_0 = blocks.message_strobe_random(
pmt.intern(''), blocks.STROBE_UNIFORM, frame_period, 5)
self.blocks_message_debug_1 = blocks.message_debug()
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_random_0_1_0, 'strobe'),
(self.lora_sdr_data_source_0_1_0, 'trigg'))
self.msg_connect((self.lora_sdr_crc_verif_0, 'msg'),
(self.lora_sdr_err_measures_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0_1_0, 'msg'),
(self.lora_sdr_add_crc_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0_1_0, 'msg'),
(self.lora_sdr_err_measures_0, 'ref'))
self.msg_connect((self.lora_sdr_data_source_0_1_0, 'msg'),
(self.lora_sdr_header_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0_1_0, 'msg'),
(self.lora_sdr_interleaver_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0_1_0, 'msg'),
(self.lora_sdr_modulate_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0_1_0, 'msg'),
(self.lora_sdr_whitening_0, 'msg'))
self.msg_connect((self.lora_sdr_err_measures_0, 'err'),
(self.blocks_message_debug_1, 'print'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_deinterleaver_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_dewhitening_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_fft_demod_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_hamming_dec_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_header_decoder_0, 'new_frame'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CRC'),
(self.lora_sdr_crc_verif_0, 'CRC'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'pay_len'),
(self.lora_sdr_crc_verif_0, 'pay_len'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'),
(self.lora_sdr_deinterleaver_0, 'CR'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'pay_len'),
(self.lora_sdr_dewhitening_0, 'pay_len'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CRC'),
(self.lora_sdr_dewhitening_0, 'CRC'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'),
(self.lora_sdr_fft_demod_0, 'CR'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'pay_len'),
(self.lora_sdr_frame_sync_0, 'pay_len'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'),
(self.lora_sdr_frame_sync_0, 'CR'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CRC'),
(self.lora_sdr_frame_sync_0, 'crc'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'err'),
(self.lora_sdr_frame_sync_0, 'err'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'),
(self.lora_sdr_hamming_dec_0, 'CR'))
self.connect((self.blocks_throttle_0, 0),
(self.interp_fir_filter_xxx_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0),
(self.lora_sdr_frame_sync_0, 0))
self.connect((self.lora_sdr_add_crc_0, 0),
(self.lora_sdr_hamming_enc_0, 0))
self.connect((self.lora_sdr_deinterleaver_0, 0),
(self.lora_sdr_hamming_dec_0, 0))
self.connect((self.lora_sdr_dewhitening_0, 0),
(self.lora_sdr_crc_verif_0, 0))
self.connect((self.lora_sdr_fft_demod_0, 0),
(self.lora_sdr_gray_enc_0, 0))
self.connect((self.lora_sdr_frame_sync_0, 0),
(self.lora_sdr_fft_demod_0, 0))
self.connect((self.lora_sdr_gray_decode_0, 0),
(self.lora_sdr_modulate_0, 0))
self.connect((self.lora_sdr_gray_enc_0, 0),
(self.lora_sdr_deinterleaver_0, 0))
self.connect((self.lora_sdr_hamming_dec_0, 0),
(self.lora_sdr_header_decoder_0, 0))
self.connect((self.lora_sdr_hamming_enc_0, 0),
(self.lora_sdr_interleaver_0, 0))
self.connect((self.lora_sdr_header_0, 0), (self.lora_sdr_add_crc_0, 0))
self.connect((self.lora_sdr_header_decoder_0, 0),
(self.lora_sdr_dewhitening_0, 0))
self.connect((self.lora_sdr_interleaver_0, 0),
(self.lora_sdr_gray_decode_0, 0))
self.connect((self.lora_sdr_modulate_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.lora_sdr_whitening_0, 0),
(self.lora_sdr_header_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Tx Rx")
##################################################
# Variables
##################################################
self.bw = bw = 250000
self.sf = sf = 7
self.samp_rate = samp_rate = bw
self.pay_len = pay_len = 64
self.n_frame = n_frame = 200
self.mult_const = mult_const = 1
self.impl_head = impl_head = True
self.has_crc = has_crc = False
self.frame_period = frame_period = 200
self.cr = cr = 0
self.TX_gain = TX_gain = 3
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0 = uhd.usrp_source(
",".join(("addr0=192.168.10.2,addr1=192.168.10.3", '')),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 2)),
),
)
self.uhd_usrp_source_0.set_time_source('mimo', 1)
self.uhd_usrp_source_0.set_clock_source('mimo', 1)
self.uhd_usrp_source_0.set_center_freq(0, 0)
self.uhd_usrp_source_0.set_gain(0, 0)
self.uhd_usrp_source_0.set_antenna('RX2', 0)
self.uhd_usrp_source_0.set_center_freq(915e6, 1)
self.uhd_usrp_source_0.set_gain(31.5, 1)
self.uhd_usrp_source_0.set_antenna('RX2', 1)
self.uhd_usrp_source_0.set_bandwidth(bw, 1)
self.uhd_usrp_source_0.set_samp_rate(samp_rate)
self.uhd_usrp_source_0.set_time_unknown_pps(uhd.time_spec())
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("addr0=192.168.10.2,addr1=192.168.10.3", '')),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
'',
)
self.uhd_usrp_sink_0.set_center_freq(915e6, 0)
self.uhd_usrp_sink_0.set_gain(TX_gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_bandwidth(bw, 0)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec())
self.lora_sdr_whitening_0 = lora_sdr.whitening()
self.lora_sdr_modulate_0 = lora_sdr.modulate(sf, samp_rate, bw)
self.lora_sdr_modulate_0.set_min_output_buffer(10000000)
self.lora_sdr_interleaver_0 = lora_sdr.interleaver(cr, sf)
self.lora_sdr_header_decoder_0 = lora_sdr.header_decoder(
impl_head, cr, pay_len, has_crc)
self.lora_sdr_header_0 = lora_sdr.header(impl_head, has_crc, cr)
self.lora_sdr_hamming_enc_0 = lora_sdr.hamming_enc(cr, sf)
self.lora_sdr_hamming_dec_0 = lora_sdr.hamming_dec()
self.lora_sdr_gray_enc_0 = lora_sdr.gray_enc()
self.lora_sdr_gray_decode_0 = lora_sdr.gray_decode(sf)
self.lora_sdr_frame_sync_0 = lora_sdr.frame_sync(
samp_rate, bw, sf, impl_head)
self.lora_sdr_fft_demod_0 = lora_sdr.fft_demod(samp_rate, bw, sf,
impl_head)
self.lora_sdr_err_measures_0 = lora_sdr.err_measures()
self.lora_sdr_dewhitening_0 = lora_sdr.dewhitening()
self.lora_sdr_deinterleaver_0 = lora_sdr.deinterleaver(sf)
self.lora_sdr_data_source_0 = lora_sdr.data_source(pay_len, n_frame)
self.lora_sdr_crc_verif_0 = lora_sdr.crc_verif()
self.lora_sdr_add_crc_0 = lora_sdr.add_crc(has_crc)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_ccf(
4, -0.128616616593872, -0.212206590789194, -0.180063263231421,
3.89817183251938e-17, 0.300105438719035, 0.636619772367581,
0.900316316157106, 1, 0.900316316157106, 0.636619772367581,
0.300105438719035, 3.89817183251938e-17, -0.180063263231421,
-0.212206590789194, -0.128616616593872)
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.blocks_null_sink_0 = blocks.null_sink(gr.sizeof_gr_complex * 1)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(mult_const)
self.blocks_multiply_const_vxx_0.set_min_output_buffer(10000000)
self.blocks_message_strobe_random_0 = blocks.message_strobe_random(
pmt.intern(''), blocks.STROBE_UNIFORM, frame_period, 5)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_random_0, 'strobe'),
(self.lora_sdr_data_source_0, 'trigg'))
self.msg_connect((self.lora_sdr_crc_verif_0, 'msg'),
(self.lora_sdr_err_measures_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0, 'msg'),
(self.lora_sdr_add_crc_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0, 'msg'),
(self.lora_sdr_err_measures_0, 'ref'))
self.msg_connect((self.lora_sdr_data_source_0, 'msg'),
(self.lora_sdr_header_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0, 'msg'),
(self.lora_sdr_interleaver_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0, 'msg'),
(self.lora_sdr_modulate_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0, 'msg'),
(self.lora_sdr_whitening_0, 'msg'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_deinterleaver_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_dewhitening_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_fft_demod_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_hamming_dec_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_header_decoder_0, 'new_frame'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CRC'),
(self.lora_sdr_crc_verif_0, 'CRC'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'pay_len'),
(self.lora_sdr_crc_verif_0, 'pay_len'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'),
(self.lora_sdr_deinterleaver_0, 'CR'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CRC'),
(self.lora_sdr_dewhitening_0, 'CRC'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'pay_len'),
(self.lora_sdr_dewhitening_0, 'pay_len'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'),
(self.lora_sdr_fft_demod_0, 'CR'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'pay_len'),
(self.lora_sdr_frame_sync_0, 'pay_len'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CRC'),
(self.lora_sdr_frame_sync_0, 'crc'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'),
(self.lora_sdr_frame_sync_0, 'CR'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'err'),
(self.lora_sdr_frame_sync_0, 'err'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'),
(self.lora_sdr_hamming_dec_0, 'CR'))
self.connect((self.blocks_multiply_const_vxx_0, 0),
(self.uhd_usrp_sink_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0),
(self.lora_sdr_frame_sync_0, 0))
self.connect((self.lora_sdr_add_crc_0, 0),
(self.lora_sdr_hamming_enc_0, 0))
self.connect((self.lora_sdr_deinterleaver_0, 0),
(self.lora_sdr_hamming_dec_0, 0))
self.connect((self.lora_sdr_dewhitening_0, 0),
(self.lora_sdr_crc_verif_0, 0))
self.connect((self.lora_sdr_fft_demod_0, 0),
(self.lora_sdr_gray_enc_0, 0))
self.connect((self.lora_sdr_frame_sync_0, 0),
(self.lora_sdr_fft_demod_0, 0))
self.connect((self.lora_sdr_gray_decode_0, 0),
(self.lora_sdr_modulate_0, 0))
self.connect((self.lora_sdr_gray_enc_0, 0),
(self.lora_sdr_deinterleaver_0, 0))
self.connect((self.lora_sdr_hamming_dec_0, 0),
(self.lora_sdr_header_decoder_0, 0))
self.connect((self.lora_sdr_hamming_enc_0, 0),
(self.lora_sdr_interleaver_0, 0))
self.connect((self.lora_sdr_header_0, 0), (self.lora_sdr_add_crc_0, 0))
self.connect((self.lora_sdr_header_decoder_0, 0),
(self.lora_sdr_dewhitening_0, 0))
self.connect((self.lora_sdr_interleaver_0, 0),
(self.lora_sdr_gray_decode_0, 0))
self.connect((self.lora_sdr_modulate_0, 0),
(self.blocks_multiply_const_vxx_0, 0))
self.connect((self.lora_sdr_whitening_0, 0),
(self.lora_sdr_header_0, 0))
self.connect((self.uhd_usrp_source_0, 0), (self.blocks_null_sink_0, 0))
self.connect((self.uhd_usrp_source_0, 1),
(self.interp_fir_filter_xxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Lora Tx")
##################################################
# Variables
##################################################
self.bw = bw = 250000
self.sf = sf = 7
self.samp_rate = samp_rate = bw
self.impl_head = impl_head = False
self.has_crc = has_crc = True
self.frame_period = frame_period = 1000
self.cr = cr = 3
self.center_freq = center_freq = 868.1e6
self.TX_gain = TX_gain = 0
##################################################
# Blocks
##################################################
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(("addr=192.168.10.4", '')),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
'frame_len',
)
self.uhd_usrp_sink_0.set_center_freq(center_freq, 0)
self.uhd_usrp_sink_0.set_gain(TX_gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_bandwidth(bw, 0)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
# No synchronization enforced.
self.lora_sdr_whitening_0 = lora_sdr.whitening()
self.lora_sdr_modulate_0 = lora_sdr.modulate(sf, bw, bw, [8, 16])
self.lora_sdr_modulate_0.set_min_output_buffer(10000000)
self.lora_sdr_interleaver_0 = lora_sdr.interleaver(cr, sf)
self.lora_sdr_header_0 = lora_sdr.header(impl_head, has_crc, cr)
self.lora_sdr_hamming_enc_0 = lora_sdr.hamming_enc(cr, sf)
self.lora_sdr_gray_decode_0 = lora_sdr.gray_decode(sf)
self.lora_sdr_add_crc_0 = lora_sdr.add_crc(has_crc)
self.blocks_message_strobe_0 = blocks.message_strobe(
pmt.intern("hello world"), frame_period)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0, 'strobe'),
(self.lora_sdr_whitening_0, 'msg'))
self.connect((self.lora_sdr_add_crc_0, 0),
(self.lora_sdr_hamming_enc_0, 0))
self.connect((self.lora_sdr_gray_decode_0, 0),
(self.lora_sdr_modulate_0, 0))
self.connect((self.lora_sdr_hamming_enc_0, 0),
(self.lora_sdr_interleaver_0, 0))
self.connect((self.lora_sdr_header_0, 0), (self.lora_sdr_add_crc_0, 0))
self.connect((self.lora_sdr_interleaver_0, 0),
(self.lora_sdr_gray_decode_0, 0))
self.connect((self.lora_sdr_modulate_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.lora_sdr_whitening_0, 0),
(self.lora_sdr_header_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Lora Tx")
##################################################
# Variables
##################################################
self.bw = bw = 250000
self.sf = sf = 7
self.samp_rate = samp_rate = bw
self.n_frame = n_frame = 200
self.impl_head = impl_head = False
self.has_crc = has_crc = False
self.frame_period = frame_period = 200
self.cr = cr = 4
self.TX_gain = TX_gain = 3
##################################################
# Blocks
##################################################
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(('', "addr=192.168.10.2")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0, 1)),
),
'',
)
self.uhd_usrp_sink_0.set_center_freq(915e6, 0)
self.uhd_usrp_sink_0.set_gain(TX_gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_bandwidth(bw, 0)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
self.uhd_usrp_sink_0.set_time_unknown_pps(uhd.time_spec())
self.lora_sdr_whitening_0 = lora_sdr.whitening()
self.lora_sdr_modulate_0 = lora_sdr.modulate(sf, samp_rate, bw)
self.lora_sdr_modulate_0.set_min_output_buffer(10000000)
self.lora_sdr_interleaver_0 = lora_sdr.interleaver(cr, sf)
self.lora_sdr_header_0 = lora_sdr.header(impl_head, has_crc, cr)
self.lora_sdr_hamming_enc_0 = lora_sdr.hamming_enc(cr, sf)
self.lora_sdr_gray_decode_0 = lora_sdr.gray_decode(sf)
self.lora_sdr_add_crc_0 = lora_sdr.add_crc(has_crc)
self.blocks_message_strobe_0 = blocks.message_strobe(
pmt.intern("Hello world"), 1000)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0, 'strobe'),
(self.lora_sdr_add_crc_0, 'msg'))
self.msg_connect((self.blocks_message_strobe_0, 'strobe'),
(self.lora_sdr_header_0, 'msg'))
self.msg_connect((self.blocks_message_strobe_0, 'strobe'),
(self.lora_sdr_interleaver_0, 'msg'))
self.msg_connect((self.blocks_message_strobe_0, 'strobe'),
(self.lora_sdr_modulate_0, 'msg'))
self.msg_connect((self.blocks_message_strobe_0, 'strobe'),
(self.lora_sdr_whitening_0, 'msg'))
self.connect((self.lora_sdr_add_crc_0, 0),
(self.lora_sdr_hamming_enc_0, 0))
self.connect((self.lora_sdr_gray_decode_0, 0),
(self.lora_sdr_modulate_0, 0))
self.connect((self.lora_sdr_hamming_enc_0, 0),
(self.lora_sdr_interleaver_0, 0))
self.connect((self.lora_sdr_header_0, 0), (self.lora_sdr_add_crc_0, 0))
self.connect((self.lora_sdr_interleaver_0, 0),
(self.lora_sdr_gray_decode_0, 0))
self.connect((self.lora_sdr_modulate_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.lora_sdr_whitening_0, 0),
(self.lora_sdr_header_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Tx Rx Simulation")
##################################################
# Variables
##################################################
self.bw = bw = 250000
self.sync_words = sync_words = [8, 16]
self.sf = sf = 7
self.samp_rate = samp_rate = bw
self.pay_len = pay_len = 255
self.impl_head = impl_head = True
self.has_crc = has_crc = True
self.frame_period = frame_period = 10
self.cr = cr = 0
##################################################
# Blocks
##################################################
self.lora_sdr_whitening_0 = lora_sdr.whitening()
self.lora_sdr_modulate_0 = lora_sdr.modulate(sf, samp_rate, bw,
[8, 16])
self.lora_sdr_modulate_0.set_min_output_buffer(10000000)
self.lora_sdr_interleaver_0 = lora_sdr.interleaver(cr, sf)
self.lora_sdr_header_decoder_0 = lora_sdr.header_decoder(
impl_head, cr, pay_len, has_crc)
self.lora_sdr_header_0 = lora_sdr.header(impl_head, has_crc, cr)
self.lora_sdr_hamming_enc_0 = lora_sdr.hamming_enc(cr, sf)
self.lora_sdr_hamming_dec_0 = lora_sdr.hamming_dec()
self.lora_sdr_gray_enc_0 = lora_sdr.gray_enc()
self.lora_sdr_gray_decode_0 = lora_sdr.gray_decode(sf)
self.lora_sdr_frame_sync_0 = lora_sdr.frame_sync(
samp_rate, bw, sf, impl_head, [8, 16])
self.lora_sdr_fft_demod_0 = lora_sdr.fft_demod(samp_rate, bw, sf,
impl_head)
self.lora_sdr_dewhitening_0 = lora_sdr.dewhitening()
self.lora_sdr_deinterleaver_0 = lora_sdr.deinterleaver(sf)
self.lora_sdr_crc_verif_0 = lora_sdr.crc_verif()
self.lora_sdr_add_crc_0 = lora_sdr.add_crc(has_crc)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_ccf(
4, (-0.128616616593872, -0.212206590789194, -0.180063263231421,
3.89817183251938e-17, 0.300105438719035, 0.636619772367581,
0.900316316157106, 1, 0.900316316157106, 0.636619772367581,
0.300105438719035, 3.89817183251938e-17, -0.180063263231421,
-0.212206590789194, -0.128616616593872))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.interp_fir_filter_xxx_0.set_min_output_buffer(20000)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.0,
frequency_offset=0.0,
epsilon=1.0,
taps=[1.0 + 0.0j],
noise_seed=0,
block_tags=True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate * 10, True)
self.blocks_message_strobe_0 = blocks.message_strobe(
pmt.intern(
"One morning, when Gregor Samsa woke from troubled dreams, he found himself transformed in his bed into a horrible vermin. He lay on his armour-like back, and if he lifted his head a little he could see his brown belly, slightly domed and divided by arches"
), frame_period)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0, 'strobe'),
(self.lora_sdr_whitening_0, 'msg'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'frame_info'),
(self.lora_sdr_frame_sync_0, 'frame_info'))
self.connect((self.blocks_throttle_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.interp_fir_filter_xxx_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0),
(self.lora_sdr_frame_sync_0, 0))
self.connect((self.lora_sdr_add_crc_0, 0),
(self.lora_sdr_hamming_enc_0, 0))
self.connect((self.lora_sdr_deinterleaver_0, 0),
(self.lora_sdr_hamming_dec_0, 0))
self.connect((self.lora_sdr_dewhitening_0, 0),
(self.lora_sdr_crc_verif_0, 0))
self.connect((self.lora_sdr_fft_demod_0, 0),
(self.lora_sdr_gray_enc_0, 0))
self.connect((self.lora_sdr_frame_sync_0, 0),
(self.lora_sdr_fft_demod_0, 0))
self.connect((self.lora_sdr_gray_decode_0, 0),
(self.lora_sdr_modulate_0, 0))
self.connect((self.lora_sdr_gray_enc_0, 0),
(self.lora_sdr_deinterleaver_0, 0))
self.connect((self.lora_sdr_hamming_dec_0, 0),
(self.lora_sdr_header_decoder_0, 0))
self.connect((self.lora_sdr_hamming_enc_0, 0),
(self.lora_sdr_interleaver_0, 0))
self.connect((self.lora_sdr_header_0, 0), (self.lora_sdr_add_crc_0, 0))
self.connect((self.lora_sdr_header_decoder_0, 0),
(self.lora_sdr_dewhitening_0, 0))
self.connect((self.lora_sdr_interleaver_0, 0),
(self.lora_sdr_gray_decode_0, 0))
self.connect((self.lora_sdr_modulate_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.lora_sdr_whitening_0, 0),
(self.lora_sdr_header_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Sim Lor")
self._lock = threading.RLock()
##################################################
# Variables
##################################################
self.bw = bw = 250000
self.sf = sf = 7
self.samp_rate = samp_rate = bw
self.pay_len = pay_len = 64
self.n_frame = n_frame = 8
self.mult_const = mult_const = 1
self.impl_head = impl_head = True
self.has_crc = has_crc = False
self.frame_period = frame_period = 200
self.cr = cr = 0
##################################################
# Blocks
##################################################
self.rational_resampler_xxx_0 = filter.rational_resampler_ccc(
interpolation=4, decimation=1, taps=None, fractional_bw=None)
self.lora_sdr_whitening_0 = lora_sdr.whitening()
self.lora_sdr_modulate_0 = lora_sdr.modulate(sf, samp_rate, bw)
self.lora_sdr_modulate_0.set_min_output_buffer(10000000)
self.lora_sdr_interleaver_0 = lora_sdr.interleaver(cr, sf)
self.lora_sdr_header_decoder_0 = lora_sdr.header_decoder(
impl_head, cr, pay_len, has_crc)
self.lora_sdr_header_0 = lora_sdr.header(impl_head, has_crc, cr)
self.lora_sdr_hamming_enc_0 = lora_sdr.hamming_enc(cr, sf)
self.lora_sdr_hamming_dec_0 = lora_sdr.hamming_dec()
self.lora_sdr_gray_enc_0 = lora_sdr.gray_enc()
self.lora_sdr_gray_decode_0 = lora_sdr.gray_decode(sf)
self.lora_sdr_frame_sync_0 = lora_sdr.frame_sync(
samp_rate, bw, sf, impl_head)
self.lora_sdr_fft_demod_0 = lora_sdr.fft_demod(samp_rate, bw, sf,
impl_head)
self.lora_sdr_err_measures_0 = lora_sdr.err_measures()
self.lora_sdr_dewhitening_0 = lora_sdr.dewhitening()
self.lora_sdr_deinterleaver_0 = lora_sdr.deinterleaver(sf)
self.lora_sdr_data_source_0_1_0 = lora_sdr.data_source(
pay_len, n_frame, '')
self.lora_sdr_crc_verif_0 = lora_sdr.crc_verif()
self.lora_sdr_add_crc_0 = lora_sdr.add_crc(has_crc)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate, True)
self.blocks_message_strobe_random_0_1_0 = blocks.message_strobe_random(
pmt.intern(''), blocks.STROBE_UNIFORM, frame_period, 5)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_random_0_1_0, 'strobe'),
(self.lora_sdr_data_source_0_1_0, 'trigg'))
self.msg_connect((self.lora_sdr_crc_verif_0, 'msg'),
(self.lora_sdr_err_measures_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0_1_0, 'msg'),
(self.lora_sdr_add_crc_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0_1_0, 'msg'),
(self.lora_sdr_err_measures_0, 'ref'))
self.msg_connect((self.lora_sdr_data_source_0_1_0, 'msg'),
(self.lora_sdr_header_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0_1_0, 'msg'),
(self.lora_sdr_interleaver_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0_1_0, 'msg'),
(self.lora_sdr_modulate_0, 'msg'))
self.msg_connect((self.lora_sdr_data_source_0_1_0, 'msg'),
(self.lora_sdr_whitening_0, 'msg'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_deinterleaver_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_dewhitening_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_fft_demod_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_hamming_dec_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'),
(self.lora_sdr_header_decoder_0, 'new_frame'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CRC'),
(self.lora_sdr_crc_verif_0, 'CRC'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'pay_len'),
(self.lora_sdr_crc_verif_0, 'pay_len'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'),
(self.lora_sdr_deinterleaver_0, 'CR'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CRC'),
(self.lora_sdr_dewhitening_0, 'CRC'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'pay_len'),
(self.lora_sdr_dewhitening_0, 'pay_len'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'),
(self.lora_sdr_fft_demod_0, 'CR'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CRC'),
(self.lora_sdr_frame_sync_0, 'crc'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'err'),
(self.lora_sdr_frame_sync_0, 'err'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'),
(self.lora_sdr_frame_sync_0, 'CR'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'pay_len'),
(self.lora_sdr_frame_sync_0, 'pay_len'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'),
(self.lora_sdr_hamming_dec_0, 'CR'))
self.connect((self.blocks_throttle_0, 0),
(self.rational_resampler_xxx_0, 0))
self.connect((self.lora_sdr_add_crc_0, 0),
(self.lora_sdr_hamming_enc_0, 0))
self.connect((self.lora_sdr_deinterleaver_0, 0),
(self.lora_sdr_hamming_dec_0, 0))
self.connect((self.lora_sdr_dewhitening_0, 0),
(self.lora_sdr_crc_verif_0, 0))
self.connect((self.lora_sdr_fft_demod_0, 0),
(self.lora_sdr_gray_enc_0, 0))
self.connect((self.lora_sdr_frame_sync_0, 0),
(self.lora_sdr_fft_demod_0, 0))
self.connect((self.lora_sdr_gray_decode_0, 0),
(self.lora_sdr_modulate_0, 0))
self.connect((self.lora_sdr_gray_enc_0, 0),
(self.lora_sdr_deinterleaver_0, 0))
self.connect((self.lora_sdr_hamming_dec_0, 0),
(self.lora_sdr_header_decoder_0, 0))
self.connect((self.lora_sdr_hamming_enc_0, 0),
(self.lora_sdr_interleaver_0, 0))
self.connect((self.lora_sdr_header_0, 0), (self.lora_sdr_add_crc_0, 0))
self.connect((self.lora_sdr_header_decoder_0, 0),
(self.lora_sdr_dewhitening_0, 0))
self.connect((self.lora_sdr_interleaver_0, 0),
(self.lora_sdr_gray_decode_0, 0))
self.connect((self.lora_sdr_modulate_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.lora_sdr_whitening_0, 0),
(self.lora_sdr_header_0, 0))
self.connect((self.rational_resampler_xxx_0, 0),
(self.lora_sdr_frame_sync_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Tx Rx")
##################################################
# Variables
##################################################
self.bw = bw = 250000
self.sf = sf = 9
self.samp_rate = samp_rate = bw
self.pay_len = pay_len = 64
self.n_frame = n_frame = 1000
self.mult_const = mult_const = 1
self.impl_head = impl_head = False
self.has_crc = has_crc = True
self.frame_period = frame_period = 1000
self.cr = cr = 2
self.center_freq = center_freq = 868.1e6
self.TX_gain = TX_gain = 0
##################################################
# Blocks
##################################################
self.uhd_usrp_source_0_0 = uhd.usrp_source(
",".join(('', "addr=192.168.10.5")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0,1)),
),
)
self.uhd_usrp_source_0_0.set_clock_source('gpsdo', 0)
self.uhd_usrp_source_0_0.set_center_freq(center_freq, 0)
self.uhd_usrp_source_0_0.set_gain(0, 0)
self.uhd_usrp_source_0_0.set_antenna('TX/RX', 0)
self.uhd_usrp_source_0_0.set_bandwidth(bw, 0)
self.uhd_usrp_source_0_0.set_samp_rate(samp_rate)
# No synchronization enforced.
self.uhd_usrp_sink_0 = uhd.usrp_sink(
",".join(('', "addr=192.168.10.4")),
uhd.stream_args(
cpu_format="fc32",
args='',
channels=list(range(0,1)),
),
'frame_len',
)
self.uhd_usrp_sink_0.set_center_freq(center_freq, 0)
self.uhd_usrp_sink_0.set_gain(TX_gain, 0)
self.uhd_usrp_sink_0.set_antenna('TX/RX', 0)
self.uhd_usrp_sink_0.set_bandwidth(bw, 0)
self.uhd_usrp_sink_0.set_samp_rate(samp_rate)
# No synchronization enforced.
self.lora_sdr_whitening_0 = lora_sdr.whitening()
self.lora_sdr_modulate_0 = lora_sdr.modulate(sf, bw, bw, [0x12])
self.lora_sdr_modulate_0.set_min_output_buffer(10000000)
self.lora_sdr_interleaver_0 = lora_sdr.interleaver(cr, sf)
self.lora_sdr_header_decoder_0 = lora_sdr.header_decoder(impl_head, cr, pay_len, has_crc)
self.lora_sdr_header_0 = lora_sdr.header(impl_head, has_crc, cr)
self.lora_sdr_hamming_enc_0 = lora_sdr.hamming_enc(cr, sf)
self.lora_sdr_hamming_dec_0 = lora_sdr.hamming_dec()
self.lora_sdr_gray_enc_0 = lora_sdr.gray_enc()
self.lora_sdr_gray_decode_0 = lora_sdr.gray_decode(sf)
self.lora_sdr_frame_sync_0 = lora_sdr.frame_sync(bw, bw, sf, impl_head, [18])
self.lora_sdr_fft_demod_0 = lora_sdr.fft_demod( sf, impl_head)
self.lora_sdr_dewhitening_0 = lora_sdr.dewhitening()
self.lora_sdr_deinterleaver_0 = lora_sdr.deinterleaver(sf)
self.lora_sdr_crc_verif_0 = lora_sdr.crc_verif()
self.lora_sdr_add_crc_0 = lora_sdr.add_crc(has_crc)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_ccf(4, (-0.128616616593872, -0.212206590789194, -0.180063263231421, 3.89817183251938e-17 ,0.300105438719035 ,0.636619772367581 ,0.900316316157106, 1 ,0.900316316157106, 0.636619772367581, 0.300105438719035, 3.89817183251938e-17, -0.180063263231421, -0.212206590789194, -0.128616616593872))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.blocks_multiply_const_vxx_0 = blocks.multiply_const_cc(mult_const)
self.blocks_multiply_const_vxx_0.set_min_output_buffer(10000000)
self.blocks_message_strobe_0 = blocks.message_strobe(pmt.intern("hello world"), frame_period)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0, 'strobe'), (self.lora_sdr_whitening_0, 'msg'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'frame_info'), (self.lora_sdr_frame_sync_0, 'frame_info'))
self.connect((self.blocks_multiply_const_vxx_0, 0), (self.uhd_usrp_sink_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0), (self.lora_sdr_frame_sync_0, 0))
self.connect((self.lora_sdr_add_crc_0, 0), (self.lora_sdr_hamming_enc_0, 0))
self.connect((self.lora_sdr_deinterleaver_0, 0), (self.lora_sdr_hamming_dec_0, 0))
self.connect((self.lora_sdr_dewhitening_0, 0), (self.lora_sdr_crc_verif_0, 0))
self.connect((self.lora_sdr_fft_demod_0, 0), (self.lora_sdr_gray_enc_0, 0))
self.connect((self.lora_sdr_frame_sync_0, 0), (self.lora_sdr_fft_demod_0, 0))
self.connect((self.lora_sdr_gray_decode_0, 0), (self.lora_sdr_modulate_0, 0))
self.connect((self.lora_sdr_gray_enc_0, 0), (self.lora_sdr_deinterleaver_0, 0))
self.connect((self.lora_sdr_hamming_dec_0, 0), (self.lora_sdr_header_decoder_0, 0))
self.connect((self.lora_sdr_hamming_enc_0, 0), (self.lora_sdr_interleaver_0, 0))
self.connect((self.lora_sdr_header_0, 0), (self.lora_sdr_add_crc_0, 0))
self.connect((self.lora_sdr_header_decoder_0, 0), (self.lora_sdr_dewhitening_0, 0))
self.connect((self.lora_sdr_interleaver_0, 0), (self.lora_sdr_gray_decode_0, 0))
self.connect((self.lora_sdr_modulate_0, 0), (self.blocks_multiply_const_vxx_0, 0))
self.connect((self.lora_sdr_whitening_0, 0), (self.lora_sdr_header_0, 0))
self.connect((self.uhd_usrp_source_0_0, 0), (self.interp_fir_filter_xxx_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Simulation")
##################################################
# Variables
##################################################
self.bw = bw = 250000
self.sf = sf = 7
self.samp_rate = samp_rate = bw
self.pay_len = pay_len = 11
self.n_frame = n_frame = 200
self.impl_head = impl_head = False
self.has_crc = has_crc = False
self.frame_period = frame_period = 200
self.cr = cr = 4
self.TX_gain = TX_gain = 3
##################################################
# Blocks
##################################################
self.lora_sdr_whitening_0 = lora_sdr.whitening()
self.lora_sdr_modulate_0 = lora_sdr.modulate(sf, samp_rate, bw)
(self.lora_sdr_modulate_0).set_min_output_buffer(10000000)
self.lora_sdr_interleaver_0 = lora_sdr.interleaver(cr, sf)
self.lora_sdr_header_decoder_0 = lora_sdr.header_decoder(impl_head, cr, pay_len, has_crc)
self.lora_sdr_header_0 = lora_sdr.header(impl_head, has_crc, cr)
self.lora_sdr_hamming_enc_0 = lora_sdr.hamming_enc(cr, sf)
self.lora_sdr_hamming_dec_0 = lora_sdr.hamming_dec()
self.lora_sdr_gray_enc_0 = lora_sdr.gray_enc()
self.lora_sdr_gray_decode_0 = lora_sdr.gray_decode(sf)
self.lora_sdr_frame_sync_0 = lora_sdr.frame_sync(samp_rate, bw, sf, impl_head)
self.lora_sdr_fft_demod_0 = lora_sdr.fft_demod(samp_rate, bw, sf, impl_head)
self.lora_sdr_err_measures_0 = lora_sdr.err_measures()
self.lora_sdr_dewhitening_0 = lora_sdr.dewhitening()
self.lora_sdr_deinterleaver_0 = lora_sdr.deinterleaver(sf)
self.lora_sdr_crc_verif_0 = lora_sdr.crc_verif()
self.lora_sdr_add_crc_0 = lora_sdr.add_crc(has_crc)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_ccf(4, (-0.128616616593872, -0.212206590789194, -0.180063263231421, 3.89817183251938e-17 ,0.300105438719035 ,0.636619772367581 ,0.900316316157106, 1 ,0.900316316157106, 0.636619772367581, 0.300105438719035, 3.89817183251938e-17, -0.180063263231421, -0.212206590789194, -0.128616616593872))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex*1, samp_rate,True)
self.blocks_message_strobe_0 = blocks.message_strobe(pmt.intern("Hello world"), 1000)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0, 'strobe'), (self.lora_sdr_add_crc_0, 'msg'))
self.msg_connect((self.blocks_message_strobe_0, 'strobe'), (self.lora_sdr_err_measures_0, 'ref'))
self.msg_connect((self.blocks_message_strobe_0, 'strobe'), (self.lora_sdr_header_0, 'msg'))
self.msg_connect((self.blocks_message_strobe_0, 'strobe'), (self.lora_sdr_interleaver_0, 'msg'))
self.msg_connect((self.blocks_message_strobe_0, 'strobe'), (self.lora_sdr_modulate_0, 'msg'))
self.msg_connect((self.blocks_message_strobe_0, 'strobe'), (self.lora_sdr_whitening_0, 'msg'))
self.msg_connect((self.lora_sdr_crc_verif_0, 'msg'), (self.lora_sdr_err_measures_0, 'msg'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'), (self.lora_sdr_deinterleaver_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'), (self.lora_sdr_dewhitening_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'), (self.lora_sdr_fft_demod_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'), (self.lora_sdr_hamming_dec_0, 'new_frame'))
self.msg_connect((self.lora_sdr_frame_sync_0, 'new_frame'), (self.lora_sdr_header_decoder_0, 'new_frame'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CRC'), (self.lora_sdr_crc_verif_0, 'CRC'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'pay_len'), (self.lora_sdr_crc_verif_0, 'pay_len'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'), (self.lora_sdr_deinterleaver_0, 'CR'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CRC'), (self.lora_sdr_dewhitening_0, 'CRC'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'pay_len'), (self.lora_sdr_dewhitening_0, 'pay_len'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'), (self.lora_sdr_fft_demod_0, 'CR'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'), (self.lora_sdr_frame_sync_0, 'CR'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CRC'), (self.lora_sdr_frame_sync_0, 'crc'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'err'), (self.lora_sdr_frame_sync_0, 'err'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'pay_len'), (self.lora_sdr_frame_sync_0, 'pay_len'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'CR'), (self.lora_sdr_hamming_dec_0, 'CR'))
self.connect((self.blocks_throttle_0, 0), (self.interp_fir_filter_xxx_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0), (self.lora_sdr_frame_sync_0, 0))
self.connect((self.lora_sdr_add_crc_0, 0), (self.lora_sdr_hamming_enc_0, 0))
self.connect((self.lora_sdr_deinterleaver_0, 0), (self.lora_sdr_hamming_dec_0, 0))
self.connect((self.lora_sdr_dewhitening_0, 0), (self.lora_sdr_crc_verif_0, 0))
self.connect((self.lora_sdr_fft_demod_0, 0), (self.lora_sdr_gray_enc_0, 0))
self.connect((self.lora_sdr_frame_sync_0, 0), (self.lora_sdr_fft_demod_0, 0))
self.connect((self.lora_sdr_gray_decode_0, 0), (self.lora_sdr_modulate_0, 0))
self.connect((self.lora_sdr_gray_enc_0, 0), (self.lora_sdr_deinterleaver_0, 0))
self.connect((self.lora_sdr_hamming_dec_0, 0), (self.lora_sdr_header_decoder_0, 0))
self.connect((self.lora_sdr_hamming_enc_0, 0), (self.lora_sdr_interleaver_0, 0))
self.connect((self.lora_sdr_header_0, 0), (self.lora_sdr_add_crc_0, 0))
self.connect((self.lora_sdr_header_decoder_0, 0), (self.lora_sdr_dewhitening_0, 0))
self.connect((self.lora_sdr_interleaver_0, 0), (self.lora_sdr_gray_decode_0, 0))
self.connect((self.lora_sdr_modulate_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.lora_sdr_whitening_0, 0), (self.lora_sdr_header_0, 0))
def __init__(self):
gr.top_block.__init__(self, "Tx Rx Simulation")
##################################################
# Variables
##################################################
self.bw = bw = 250000
self.sf = sf = 7
self.samp_rate = samp_rate = bw
self.pay_len = pay_len = 255
self.impl_head = impl_head = False
self.has_crc = has_crc = True
self.frame_period = frame_period = 2000
self.cr = cr = 0
##################################################
# Blocks
##################################################
self.lora_sdr_whitening_0 = lora_sdr.whitening()
self.lora_sdr_modulate_0 = lora_sdr.modulate(sf, bw, bw, [0x12])
self.lora_sdr_modulate_0.set_min_output_buffer(10000000)
self.lora_sdr_interleaver_0 = lora_sdr.interleaver(cr, sf)
self.lora_sdr_header_decoder_0 = lora_sdr.header_decoder(
impl_head, cr, pay_len, has_crc)
self.lora_sdr_header_0 = lora_sdr.header(impl_head, has_crc, cr)
self.lora_sdr_hamming_enc_0 = lora_sdr.hamming_enc(cr, sf)
self.lora_sdr_hamming_dec_0 = lora_sdr.hamming_dec()
self.lora_sdr_gray_enc_0 = lora_sdr.gray_enc()
self.lora_sdr_gray_decode_0 = lora_sdr.gray_decode(sf)
self.lora_sdr_frame_sync_0 = lora_sdr.frame_sync(
bw, bw, sf, impl_head, [18])
self.lora_sdr_fft_demod_0 = lora_sdr.fft_demod(sf, impl_head)
self.lora_sdr_dewhitening_0 = lora_sdr.dewhitening()
self.lora_sdr_deinterleaver_0 = lora_sdr.deinterleaver(sf)
self.lora_sdr_crc_verif_0 = lora_sdr.crc_verif()
self.lora_sdr_add_crc_0 = lora_sdr.add_crc(has_crc)
self.interp_fir_filter_xxx_0 = filter.interp_fir_filter_ccf(
4, (-0.128616616593872, -0.212206590789194, -0.180063263231421,
3.89817183251938e-17, 0.300105438719035, 0.636619772367581,
0.900316316157106, 1, 0.900316316157106, 0.636619772367581,
0.300105438719035, 3.89817183251938e-17, -0.180063263231421,
-0.212206590789194, -0.128616616593872))
self.interp_fir_filter_xxx_0.declare_sample_delay(0)
self.interp_fir_filter_xxx_0.set_min_output_buffer(20000)
self.channels_channel_model_0 = channels.channel_model(
noise_voltage=0.0,
frequency_offset=0.0 / 2**sf,
epsilon=1.0,
taps=[1.0 + 0.0j],
noise_seed=0,
block_tags=True)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_gr_complex * 1,
samp_rate * 10, True)
self.blocks_message_strobe_0_0 = blocks.message_strobe(
pmt.intern("Hello world"), frame_period)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_message_strobe_0_0, 'strobe'),
(self.lora_sdr_whitening_0, 'msg'))
self.msg_connect((self.lora_sdr_header_decoder_0, 'frame_info'),
(self.lora_sdr_frame_sync_0, 'frame_info'))
self.connect((self.blocks_throttle_0, 0),
(self.channels_channel_model_0, 0))
self.connect((self.channels_channel_model_0, 0),
(self.interp_fir_filter_xxx_0, 0))
self.connect((self.interp_fir_filter_xxx_0, 0),
(self.lora_sdr_frame_sync_0, 0))
self.connect((self.lora_sdr_add_crc_0, 0),
(self.lora_sdr_hamming_enc_0, 0))
self.connect((self.lora_sdr_deinterleaver_0, 0),
(self.lora_sdr_hamming_dec_0, 0))
self.connect((self.lora_sdr_dewhitening_0, 0),
(self.lora_sdr_crc_verif_0, 0))
self.connect((self.lora_sdr_fft_demod_0, 0),
(self.lora_sdr_gray_enc_0, 0))
self.connect((self.lora_sdr_frame_sync_0, 0),
(self.lora_sdr_fft_demod_0, 0))
self.connect((self.lora_sdr_gray_decode_0, 0),
(self.lora_sdr_modulate_0, 0))
self.connect((self.lora_sdr_gray_enc_0, 0),
(self.lora_sdr_deinterleaver_0, 0))
self.connect((self.lora_sdr_hamming_dec_0, 0),
(self.lora_sdr_header_decoder_0, 0))
self.connect((self.lora_sdr_hamming_enc_0, 0),
(self.lora_sdr_interleaver_0, 0))
self.connect((self.lora_sdr_header_0, 0), (self.lora_sdr_add_crc_0, 0))
self.connect((self.lora_sdr_header_decoder_0, 0),
(self.lora_sdr_dewhitening_0, 0))
self.connect((self.lora_sdr_interleaver_0, 0),
(self.lora_sdr_gray_decode_0, 0))
self.connect((self.lora_sdr_modulate_0, 0),
(self.blocks_throttle_0, 0))
self.connect((self.lora_sdr_whitening_0, 0),
(self.lora_sdr_header_0, 0))