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#!/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_encoder(gr.hier_block2):
def __init__(self, encoder_list_0, input_size=gr.sizeof_char, output_size=gr.sizeof_char):
gr.hier_block2.__init__(self, "Capillary Threaded Encoder",
gr.io_signature(1, 1, input_size),
gr.io_signature(1, 1, output_size))
self.encoder_list_0 = encoder_list_0
check = math.log10(len(self.encoder_list_0)) / math.log10(2.0)
if(abs(check - int(check)) > 0.0):
gr.log.info("fec.capillary_threaded_encoder: number of encoders must be a power of 2.")
raise AttributeError
self.deinterleaves_0 = [];
for i in range(int(math.log(len(encoder_list_0), 2))):
for j in range(int(math.pow(2, i))):
self.deinterleaves_0.append(blocks.deinterleave(input_size,
fec.get_encoder_input_size(encoder_list_0[0])))
self.generic_encoders_0 = [];
for i in range(len(encoder_list_0)):
self.generic_encoders_0.append(fec.encoder(encoder_list_0[i],
input_size, output_size))
self.interleaves_0 = [];
for i in range(int(math.log(len(encoder_list_0), 2))):
for j in range(int(math.pow(2, i))):
self.interleaves_0.append(blocks.interleave(output_size,
fec.get_encoder_output_size(encoder_list_0[0])))
rootcount = 0;
branchcount = 1;
for i in range(int(math.log(len(encoder_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(encoder_list_0) // 2):
self.connect((self.deinterleaves_0[rootcount], 0), (self.generic_encoders_0[codercount], 0))
self.connect((self.deinterleaves_0[rootcount], 1), (self.generic_encoders_0[codercount + 1], 0))
rootcount += 1;
codercount += 2;
rootcount = 0;
branchcount = 1;
for i in range(int(math.log(len(encoder_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(encoder_list_0) // 2):
self.connect((self.generic_encoders_0[codercount], 0), (self.interleaves_0[rootcount], 0))
self.connect((self.generic_encoders_0[codercount + 1], 0), (self.interleaves_0[rootcount], 1))
rootcount += 1;
codercount += 2;
if((len(self.encoder_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_encoders_0[0], 0))
self.connect((self.generic_encoders_0[0], 0), (self, 0))
def get_encoder_list_0(self):
return self.encoder_list_0
def set_encoder_list_0(self, encoder_list_0):
self.encoder_list_0 = encoder_list_0
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