algo_tpc_huffman.hh

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#ifndef ALGO_TPC_HUFFMAN_HH
#define ALGO_TPC_HUFFMAN_HH

#include "algo_tpc_xmit.hh"
#include <deque>

class algo_tpc_huffman : public algo_tpc_xmit {

public:
  
  algo_tpc_huffman();

  ~algo_tpc_huffman(){};

  virtual inline PMT::PMT_WORD get_word_class(const PMT::word_t word) const {
    // One of core functions to identify PMT binary word format
    if( word == 0x0 ) return PMT::UNDEFINED_WORD;
    else if( (word & 0xffffffff) == 0xffffffff ) // Unique marker
      return PMT::EVENT_HEADER;
    else if( (word & 0xffffffff) == 0xe0000000 ) // Unique marker
      return PMT::EVENT_LAST_WORD;
    if( (word & 0xffff) == 0xffff )              // Unique marker
      return PMT::FEM_HEADER;
    else if( (word & 0xf000) == 0xf000 )         // Could be ADC word
      return PMT::FEM_HEADER;
    else if( !((word>>15) & 0x1) ) {
      
      if( (word & 0xf000) == 0x0000 )            // Uncompressed ADC word
    return PMT::CHANNEL_WORD;           
      else if( (word & 0xf000) == 0x4000 )       // Channel first word
    return PMT::CHANNEL_HEADER;
      else if( (word & 0xf000) == 0x5000 )       // Channel last word
    return PMT::CHANNEL_LAST_WORD;
      else
    return PMT::UNDEFINED_WORD;              // Undefined
    }
    else if( ((word>>15) & 0x1) ){
      if( (word & 0xffff) == 0xc000 )            // end of FEM word
    return PMT::FEM_LAST_WORD;
      else
    return PMT::CHANNEL_WORD;                // compressed ADC word
    }else
      return PMT::UNDEFINED_WORD;
  };


  virtual bool process_word(const PMT::word_t word);

  virtual void reset();

protected:  

  virtual void clear_event();

  virtual bool process_event_header
  (const PMT::word_t word, PMT::word_t &last_word);

  virtual bool process_fem_header
  (const PMT::word_t word,PMT::word_t &last_word);

  virtual bool process_ch_word
  (const PMT::word_t word,PMT::word_t &last_word);

  virtual bool process_fem_last_word
  (const PMT::word_t word,PMT::word_t &last_word);

  virtual bool process_event_last_word
  (const PMT::word_t word,PMT::word_t &last_word);
  
protected:

  bool _search_header;

};

#endif

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