def test_ff_skip_prefix(self):
pad = (0, ) * 64
src_bits = (0, 1, 1, 1, 1, 0, 0, 1, 1) + pad + (0, ) * 7
src_data = [2.0 * x - 1.0 for x in src_bits]
src = blocks.vector_source_f(src_data)
op = digital.correlate_access_code_tag_ff("0011", 0, "sync")
dst = blocks.tag_debug(gr.sizeof_float, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 1)
self.assertEqual(result_data[0].offset, 9)
def test_ff_immediate(self):
"""Test that packets at start of stream match"""
pad = (0, ) * 64
src_bits = (0, 0, 1, 1) + pad + (0, ) * 7
src_data = [2.0 * x - 1.0 for x in src_bits]
src = blocks.vector_source_f(src_data)
op = digital.correlate_access_code_tag_ff("0011", 0, "sync")
dst = blocks.tag_debug(gr.sizeof_float, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 1)
self.assertEqual(result_data[0].offset, 4)
def test_003(self):
pad = (0,) * 64
src_bits = (1, 0, 1, 1, 1, 1, 0, 1, 1) + pad + (0,) * 7
src_data = [2.0*x - 1.0 for x in src_bits]
src = blocks.vector_source_f(src_data)
op = digital.correlate_access_code_tag_ff("1011", 0, "sync")
dst = blocks.tag_debug(gr.sizeof_float, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 2)
self.assertEqual(result_data[0].offset, 4)
self.assertEqual(result_data[1].offset, 9)
def test_004(self):
code = tuple(string_to_1_0_list(default_access_code))
access_code = to_1_0_string(code)
pad = (0, ) * 64
#print code
#print access_code
src_bits = code + (1, 0, 1, 1) + pad
src_data = [2.0 * x - 1.0 for x in src_bits]
src = blocks.vector_source_f(src_data)
op = digital.correlate_access_code_tag_ff(access_code, 0, "sync")
dst = blocks.tag_debug(gr.sizeof_float, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 1)
self.assertEqual(result_data[0].offset, len(code))
def test_004(self):
code = tuple(string_to_1_0_list(default_access_code))
access_code = to_1_0_string(code)
pad = (0,) * 64
#print code
#print access_code
src_bits = code + (1, 0, 1, 1) + pad
src_data = [2.0*x - 1.0 for x in src_bits]
src = blocks.vector_source_f(src_data)
op = digital.correlate_access_code_tag_ff(access_code, 0, "sync")
dst = blocks.tag_debug(gr.sizeof_float, "sync")
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.current_tags()
self.assertEqual(len(result_data), 1)
self.assertEqual(result_data[0].offset, len(code))
def test_004(self):
code = list(string_to_1_0_list(default_access_code))
access_code = to_1_0_string(code)
pad = [0, ] * 64
# print code
# print access_code
src_bits = code + [1, 0, 1, 1] + pad
src_data = [2.0 * x - 1.0 for x in src_bits]
expected_result_bits = code + [1, 0, 1, 1] + pad
expected_result = [2.0 * x - 1.0 for x in expected_result_bits]
src = blocks.vector_source_f(src_data)
op = digital.correlate_access_code_tag_ff(access_code, 0, "test")
dst = blocks.vector_sink_f()
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.data()
self.assertFloatTuplesAlmostEqual(expected_result, result_data, 5)
def test_004(self):
code = tuple(string_to_1_0_list(default_access_code))
access_code = to_1_0_string(code)
pad = (0,) * 64
#print code
#print access_code
src_bits = code + (1, 0, 1, 1) + pad
src_data = [2.0*x - 1.0 for x in src_bits]
expected_result_bits = code + (1, 0, 1, 1) + pad
expected_result = [2.0*x - 1.0 for x in expected_result_bits]
src = blocks.vector_source_f(src_data)
op = digital.correlate_access_code_tag_ff(access_code, 0, "test")
dst = blocks.vector_sink_f()
self.tb.connect(src, op, dst)
self.tb.run()
result_data = dst.data()
self.assertFloatTuplesAlmostEqual(expected_result, result_data, 5)
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))
