def __init__(self,
packlen=0,
sync='00011010110011111111110000011101',
threshold=4):
gr.hier_block2.__init__(
self,
'Sync and create packed PDU',
gr.io_signature(1, 1, gr.sizeof_char * 1),
gr.io_signature(0, 0, 0),
)
self.message_port_register_hier_out('out')
##################################################
# Parameters
##################################################
self.packlen = packlen
self.sync = sync
self.threshold = threshold
##################################################
# Blocks
##################################################
self.satellites_fixedlen_tagger_0_0_0 = (satellites.fixedlen_tagger(
'syncword', 'packet_len', packlen * 8, numpy.byte))
self.digital_correlate_access_code_tag_bb_0_0_0 = (
digital.correlate_access_code_tag_bb(sync, threshold, 'syncword'))
self.blocks_unpacked_to_packed_xx_0 = (blocks.unpacked_to_packed_bb(
1, gr.GR_MSB_FIRST))
self.blocks_tagged_stream_to_pdu_0_0_0 = (tagged_stream_to_pdu(
byte_t, 'packet_len'))
self.blocks_tagged_stream_multiply_length_0 = (
blocks.tagged_stream_multiply_length(gr.sizeof_char * 1,
'packet_len', 1 / 8.0))
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'),
(self, 'out'))
self.connect((self.blocks_tagged_stream_multiply_length_0, 0),
(self.blocks_tagged_stream_to_pdu_0_0_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0),
(self.blocks_tagged_stream_multiply_length_0, 0))
self.connect((self.digital_correlate_access_code_tag_bb_0_0_0, 0),
(self.satellites_fixedlen_tagger_0_0_0, 0))
self.connect((self, 0),
(self.digital_correlate_access_code_tag_bb_0_0_0, 0))
self.connect((self.satellites_fixedlen_tagger_0_0_0, 0),
(self.blocks_unpacked_to_packed_xx_0, 0))
def setUp(self):
self.syncword_tag = 'syncword'
self.packetlen_tag = 'packet_len'
self.packet_len = 100
self.data = np.arange(3000, dtype='uint8')
self.tag_positions = [50, 213, 217, 230, 1530, 1531]
tags = [gr.python_to_tag((j, pmt.intern(self.syncword_tag),
pmt.intern('sync'), pmt.intern('test_src')))
for j in self.tag_positions]
self.source = blocks.vector_source_b(self.data, False, 1, tags)
self.tag2pdu = blocks.tagged_stream_to_pdu(byte_t,
self.packetlen_tag)
self.debug = blocks.message_debug()
self.tagger = fixedlen_tagger(self.syncword_tag, self.packetlen_tag,
self.packet_len, np.byte)
self.tb = gr.top_block()
self.tb.connect(self.source, self.tagger, self.tag2pdu)
self.tb.msg_connect((self.tag2pdu, 'pdus'), (self.debug, 'store'))
def __init__(self, packlen=0,
sync='00011010110011111111110000011101', threshold=4):
gr.hier_block2.__init__(
self,
'Sync and create PDU soft',
gr.io_signature(1, 1, gr.sizeof_float*1),
gr.io_signature(0, 0, 0),
)
self.message_port_register_hier_out('out')
##################################################
# Parameters
##################################################
self.packlen = packlen
self.sync = sync
self.threshold = threshold
##################################################
# Blocks
##################################################
self.satellites_fixedlen_tagger_0_0_0 = (
satellites.fixedlen_tagger('syncword', 'packet_len',
packlen, numpy.float32))
self.digital_correlate_access_code_tag_bb_0_0_0 = (
digital.correlate_access_code_tag_ff(sync, threshold, 'syncword'))
self.blocks_tagged_stream_to_pdu_0_0_0 = (
tagged_stream_to_pdu(float_t, 'packet_len'))
##################################################
# Connections
##################################################
self.msg_connect(
(self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'), (self, 'out'))
self.connect(
(self.digital_correlate_access_code_tag_bb_0_0_0, 0),
(self.satellites_fixedlen_tagger_0_0_0, 0))
self.connect(
(self, 0),
(self.digital_correlate_access_code_tag_bb_0_0_0, 0))
self.connect(
(self.satellites_fixedlen_tagger_0_0_0, 0),
(self.blocks_tagged_stream_to_pdu_0_0_0, 0))
def __init__(self,
packlen=0,
sync="00011010110011111111110000011101",
threshold=4):
gr.hier_block2.__init__(
self,
"Sync and create PDU",
gr.io_signature(1, 1, gr.sizeof_char * 1),
gr.io_signature(0, 0, 0),
)
self.message_port_register_hier_out("out")
##################################################
# Parameters
##################################################
self.packlen = packlen
self.sync = sync
self.threshold = threshold
##################################################
# Blocks
##################################################
self.satellites_fixedlen_tagger_0_0_0 = satellites.fixedlen_tagger(
'syncword', 'packet_len', packlen, numpy.byte)
self.digital_correlate_access_code_tag_bb_0_0_0 = digital.correlate_access_code_tag_bb(
sync, threshold, 'syncword')
self.blocks_tagged_stream_to_pdu_0_0_0 = blocks.tagged_stream_to_pdu(
blocks.byte_t, 'packet_len')
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'),
(self, 'out'))
self.connect((self.digital_correlate_access_code_tag_bb_0_0_0, 0),
(self.satellites_fixedlen_tagger_0_0_0, 0))
self.connect((self, 0),
(self.digital_correlate_access_code_tag_bb_0_0_0, 0))
self.connect((self.satellites_fixedlen_tagger_0_0_0, 0),
(self.blocks_tagged_stream_to_pdu_0_0_0, 0))
def __init__(self):
gr.top_block.__init__(self, "SUCHAI 1 Decoder")
##################################################
# Variables
##################################################
self.threshold = threshold = 2
self.sync = sync = "11000011101010100110011001010101"
self.samples_symbol = samples_symbol = 20
self.samp_rate = samp_rate = 48000
self.packlen = packlen = (255+3)*8
self.demod_freq = demod_freq = -1800
self.cutoff_freq = cutoff_freq = 1400
##################################################
# Blocks
##################################################
self.zeromq_pub_msg_sink_0 = zeromq.pub_msg_sink('tcp://127.0.0.1:5556', 100)
self.satellites_u482c_decode_0 = satellites.u482c_decode(False, 0, 1, 1)
self.satellites_suchai_telemetry_0 = satellites.suchai_telemetry()
self.satellites_print_timestamp_0 = satellites.print_timestamp('%Y-%m-%d %H:%M:%S')
self.satellites_print_csp_message_0 = satellites.print_csp_message()
self.satellites_fixedlen_tagger_0_0_0 = satellites.fixedlen_tagger('syncword', 'packet_len', packlen, numpy.byte)
self.low_pass_filter_0 = filter.fir_filter_ccf(1, firdes.low_pass(
1, samp_rate, cutoff_freq, 1000, firdes.WIN_HAMMING, 6.76))
self.digital_gmsk_demod_0 = digital.gmsk_demod(
samples_per_symbol=samples_symbol,
gain_mu=0.175,
mu=0.5,
omega_relative_limit=0.005,
freq_error=0.0,
verbose=False,
log=False,
)
self.digital_correlate_access_code_tag_bb_0_0_0 = digital.correlate_access_code_tag_bb(sync, threshold, 'syncword')
self.blocks_wavfile_source_0 = blocks.wavfile_source('/home/carlos/Descargas/suchai_test.wav', False)
self.blocks_unpacked_to_packed_xx_0 = blocks.unpacked_to_packed_bb(1, gr.GR_MSB_FIRST)
self.blocks_throttle_0 = blocks.throttle(gr.sizeof_float*1, samp_rate,True)
self.blocks_tagged_stream_to_pdu_0_0_0 = blocks.tagged_stream_to_pdu(blocks.byte_t, 'packet_len')
self.blocks_tagged_stream_multiply_length_0 = blocks.tagged_stream_multiply_length(gr.sizeof_char*1, 'packet_len', 1/8.0)
self.blocks_multiply_xx_0 = blocks.multiply_vcc(1)
self.blocks_float_to_complex_0 = blocks.float_to_complex(1)
self.blocks_conjugate_cc_0 = blocks.conjugate_cc()
self.analog_sig_source_x_0 = analog.sig_source_c(samp_rate, analog.GR_COS_WAVE, demod_freq, 1, 0)
##################################################
# Connections
##################################################
self.msg_connect((self.blocks_tagged_stream_to_pdu_0_0_0, 'pdus'), (self.satellites_u482c_decode_0, 'in'))
self.msg_connect((self.satellites_print_timestamp_0, 'out'), (self.satellites_print_csp_message_0, 'in'))
self.msg_connect((self.satellites_print_timestamp_0, 'out'), (self.satellites_suchai_telemetry_0, 'in'))
self.msg_connect((self.satellites_suchai_telemetry_0, 'out'), (self.zeromq_pub_msg_sink_0, 'in'))
self.msg_connect((self.satellites_u482c_decode_0, 'out'), (self.satellites_print_timestamp_0, 'in'))
self.connect((self.analog_sig_source_x_0, 0), (self.blocks_multiply_xx_0, 0))
self.connect((self.blocks_conjugate_cc_0, 0), (self.low_pass_filter_0, 0))
self.connect((self.blocks_float_to_complex_0, 0), (self.blocks_multiply_xx_0, 1))
self.connect((self.blocks_multiply_xx_0, 0), (self.blocks_conjugate_cc_0, 0))
self.connect((self.blocks_tagged_stream_multiply_length_0, 0), (self.blocks_tagged_stream_to_pdu_0_0_0, 0))
self.connect((self.blocks_throttle_0, 0), (self.blocks_float_to_complex_0, 0))
self.connect((self.blocks_unpacked_to_packed_xx_0, 0), (self.blocks_tagged_stream_multiply_length_0, 0))
self.connect((self.blocks_wavfile_source_0, 0), (self.blocks_throttle_0, 0))
self.connect((self.digital_correlate_access_code_tag_bb_0_0_0, 0), (self.satellites_fixedlen_tagger_0_0_0, 0))
self.connect((self.digital_gmsk_demod_0, 0), (self.digital_correlate_access_code_tag_bb_0_0_0, 0))
self.connect((self.low_pass_filter_0, 0), (self.digital_gmsk_demod_0, 0))
self.connect((self.satellites_fixedlen_tagger_0_0_0, 0), (self.blocks_unpacked_to_packed_xx_0, 0))