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<?xml version="1.0"?>
<!--
###################################################
## PCCC Decoder
###################################################
-->
<block>
<name>PCCC Decoder</name>
<key>trellis_pccc_decoder_x</key>
<category>[Core]/Trellis Coding</category>
<import>from gnuradio import trellis</import>
<make>trellis.pccc_decoder_$(out_type)(
trellis.fsm($o_fsm_args), $o_init_state, $o_final_state,
trellis.fsm($i_fsm_args), $i_init_state, $i_final_state,
trellis.interleaver($interleaver),
$block_size,
$iterations,
$siso_type)
</make>
<param>
<name>Output Type</name>
<key>out_type</key>
<type>enum</type>
<option>
<name>Int</name>
<key>i</key>
<opt>io:int</opt>
</option>
<option>
<name>Short</name>
<key>s</key>
<opt>io:short</opt>
</option>
<option>
<name>Byte</name>
<key>b</key>
<opt>io:byte</opt>
</option>
</param>
<param>
<name>FSM 1</name>
<key>o_fsm_args</key>
<type>raw</type>
</param>
<param>
<name>Initial State 1</name>
<key>o_init_state</key>
<value>0</value>
<type>int</type>
</param>
<param>
<name>Final State 1</name>
<key>o_final_state</key>
<value>-1</value>
<type>int</type>
</param>
<param>
<name>FSM 2</name>
<key>i_fsm_args</key>
<type>raw</type>
</param>
<param>
<name>Initial State 2</name>
<key>i_init_state</key>
<value>0</value>
<type>int</type>
</param>
<param>
<name>Final State 2</name>
<key>i_final_state</key>
<value>-1</value>
<type>int</type>
</param>
<param>
<name>Interleaver</name>
<key>interleaver</key>
<type>raw</type>
</param>
<param>
<name>Block Size</name>
<key>block_size</key>
<type>int</type>
</param>
<param>
<name>Iterations</name>
<key>iterations</key>
<value>10</value>
<type>int</type>
</param>
<param>
<name>SISO Type</name>
<key>siso_type</key>
<type>enum</type>
<option>
<name>Min Sum</name>
<key>trellis.TRELLIS_MIN_SUM</key>
</option>
<option>
<name>Sum Product</name>
<key>trellis.TRELLIS_SUM_PRODUCT</key>
</option>
</param>
<check>(isinstance(eval(""" $o_fsm_args """[1:-1], locals(),globals()), str) and open($o_fsm_args).close()) or True</check>
<check>(isinstance(eval(""" $i_fsm_args """[1:-1], locals(),globals()), str) and open($i_fsm_args).close()) or True </check>
<sink>
<name>in</name>
<type>float</type>
</sink>
<source>
<name>out</name>
<type>$out_type.io</type>
</source>
<doc>
PCCC turbo Decoder.
The fsm and interleaver arguments are passed directly to the trellis.fsm() and trellis.interleaver() constructors.
</doc>
</block>
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