DDASHitUnpacker.h

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/*
    This software is Copyright by the Board of Trustees of Michigan
    State University (c) Copyright 2016.
 
    You may use this software under the terms of the GNU public license
    (GPL).  The terms of this license are described at:
 
     http://www.gnu.org/licenses/gpl.txt
 
     Author:
             Jeromy Tompkins
             Aaron Chester
             Facility for Rare Isotope Beams
             Michigan State University
             East Lansing, MI 48824-1321
*/
 
#ifndef DDASHITUNPACKER_H
#define DDASHITUNPACKER_H
 
#include "DDASHit.h"
 
#include <tuple>
 
namespace ddasfmt {
 
class DDASHitUnpacker {
public:
  std::tuple<DDASHit, const uint32_t *> unpack(const uint32_t *beg,
                                               const uint32_t *sentinel);
  const uint32_t *unpack(const uint32_t *beg, const uint32_t *sentinel,
                         DDASHit &hit);
 
protected:
  const uint32_t *parseBodySize(const uint32_t *data, const uint32_t *sentinel);
  const uint32_t *parseModuleInfo(DDASHit &hit, const uint32_t *data);
  const uint32_t *parseHeaderWord0(DDASHit &hit, const uint32_t *data);
  const uint32_t *parseHeaderWords1And2(DDASHit &hit, const uint32_t *data);
  const uint32_t *parseHeaderWord3(DDASHit &hit, const uint32_t *data);
  const uint32_t *parseTraceData(DDASHit &hit, const uint32_t *data);
  std::tuple<double, uint32_t, uint32_t, uint32_t>
  parseAndComputeCFD(uint32_t ModMSPS, uint32_t data);
  double parseAndComputeCFD(DDASHit &hit, uint32_t data);
  uint64_t computeCoarseTime(uint32_t adcFrequency, uint32_t timeLow,
                             uint32_t timeHigh);
  const uint32_t *extractEnergySums(const uint32_t *data, DDASHit &hit);
  const uint32_t *extractQDC(const uint32_t *data, DDASHit &hit);
  const uint32_t *extractExternalTimestamp(const uint32_t *data, DDASHit &hit);
};
 
} // namespace ddasfmt
 
#endif