1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
|
#!/usr/bin/env python
#
# Copyright 2014 Free Software Foundation, Inc.
#
# This file is part of GNU Radio
#
# SPDX-License-Identifier: GPL-3.0-or-later
#
#
from __future__ import division
from __future__ import unicode_literals
import math
from gnuradio import gr, blocks
from . import fec_python as fec
class capillary_threaded_decoder(gr.hier_block2):
def __init__(self, decoder_list_0, input_size, output_size):
gr.hier_block2.__init__(
self, "Capillary Threaded Decoder",
gr.io_signature(1, 1, input_size*1),
gr.io_signature(1, 1, output_size*1))
self.decoder_list_0 = decoder_list_0
check = math.log10(len(self.decoder_list_0)) / math.log10(2.0)
if(abs(check - int(check)) > 0):
gr.log.info("fec.capillary_threaded_decoder: number of decoders must be a power of 2.")
raise AttributeError
self.deinterleaves_0 = []
for i in range(int(math.log(len(decoder_list_0), 2))):
for j in range(int(math.pow(2, i))):
self.deinterleaves_0.append(blocks.deinterleave(input_size,
fec.get_decoder_input_size(decoder_list_0[0])))
self.generic_decoders_0 = []
for i in range(len(decoder_list_0)):
self.generic_decoders_0.append(fec.decoder(decoder_list_0[i], input_size, output_size))
self.interleaves_0 = []
for i in range(int(math.log(len(decoder_list_0), 2))):
for j in range(int(math.pow(2, i))):
self.interleaves_0.append(blocks.interleave(output_size,
fec.get_decoder_output_size(decoder_list_0[0])))
rootcount = 0
branchcount = 1
for i in range(int(math.log(len(decoder_list_0), 2)) - 1):
for j in range(int(math.pow(2, i))):
self.connect((self.deinterleaves_0[rootcount], 0), (self.deinterleaves_0[branchcount], 0))
self.connect((self.deinterleaves_0[rootcount], 1), (self.deinterleaves_0[branchcount + 1], 0))
rootcount += 1
branchcount += 2
codercount = 0
for i in range(len(decoder_list_0) // 2):
self.connect((self.deinterleaves_0[rootcount], 0), (self.generic_decoders_0[codercount], 0))
self.connect((self.deinterleaves_0[rootcount], 1), (self.generic_decoders_0[codercount + 1], 0))
rootcount += 1
codercount += 2
rootcount = 0
branchcount = 1
for i in range(int(math.log(len(decoder_list_0), 2)) - 1):
for j in range(int(math.pow(2, i))):
self.connect((self.interleaves_0[branchcount], 0), (self.interleaves_0[rootcount], 0))
self.connect((self.interleaves_0[branchcount + 1], 0), (self.interleaves_0[rootcount], 1))
rootcount += 1
branchcount += 2
codercount = 0
for i in range(len(decoder_list_0) // 2):
self.connect((self.generic_decoders_0[codercount], 0), (self.interleaves_0[rootcount], 0))
self.connect((self.generic_decoders_0[codercount + 1], 0), (self.interleaves_0[rootcount], 1))
rootcount += 1
codercount += 2
if ((len(self.decoder_list_0)) > 1):
self.connect((self, 0), (self.deinterleaves_0[0], 0))
self.connect((self.interleaves_0[0], 0), (self, 0))
else:
self.connect((self, 0), (self.generic_decoders_0[0], 0))
self.connect((self.generic_decoders_0[0], 0), (self, 0))
def get_decoder_list_0(self):
return self.decoder_list_0
def set_decoder_list_0(self, decoder_list_0):
self.decoder_list_0 = decoder_list_0
|
