<?xml version="1.0"?>
<!--
###################################################
## SCCC Decoder
###################################################
 -->


<block>
  <name>SCCC Decoder</name>
  <key>trellis_sccc_decoder_x</key>
  <category>[Core]/Trellis Coding</category>
  <import>from gnuradio import trellis</import>
  <make>trellis.sccc_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>Outer FSM</name>
    <key>o_fsm_args</key>
    <type>raw</type>
  </param>
  <param>
    <name>Outer Initial State</name>
    <key>o_init_state</key>
    <value>0</value>
    <type>int</type>
  </param>
  <param>
    <name>Outer Final State</name>
    <key>o_final_state</key>
    <value>-1</value>
    <type>int</type>
  </param>
  <param>
    <name>Inner FSM</name>
    <key>i_fsm_args</key>
    <type>raw</type>
  </param>
  <param>
    <name>Inner Initial State</name>
    <key>i_init_state</key>
    <value>0</value>
    <type>int</type>
  </param>
  <param>
    <name>Inner Final State</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>
SCCC turbo Decoder.
The fsm and interleaver arguments are passed directly to the trellis.fsm() and trellis.interleaver() constructors.
  </doc>
</block>
