/data/refman/pasoursint/CMSSW_6_1_1/src/EventFilter/EcalTBRawToDigi/src/MatacqRawEvent.h

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// -*- Mode: C++; c-basic-offset: 2; indent-tabs-mode: t; tab-width: 8; -*-
//$Id: MatacqRawEvent.h,v 1.4 2012/06/11 09:15:54 davidlt Exp $

#ifndef MATACQTBRAWEVENT_H
#define MATACQTBRAWEVENT_H

#include <inttypes.h>

#if 0 //replace 1 by 0 to remove XDAQ dependency. In this case it is assumed
      //the machine is little endian.
#include "i2o/utils/endian.h" //from XDAQ
#define UINT32_FROM_LE i2odecodel
#define UINT16_FROM_LE i2odecodes
#define INT16_FROM_LE i2odecodes

#else //assuming little endianness of the machine

#define UINT32_FROM_LE
#define UINT16_FROM_LE
#define INT16_FROM_LE

#endif

class MatacqTBRawEvent{
  //typedefs, enums and static constants
public:
  enum matacqError_t {
    errorLengthConsistency = 1<<0,
    errorLength = 1<<1,
    errorWrongBoe = 1<<2
  };

  /* The following types are little-endian encoded types. Use of these types
   * for the I20 data block should offer portability to big-endian platforms.
   */
  struct uint32le_t{
    uint32_t littleEndianInt;
    operator uint32_t() const{
      return UINT32_FROM_LE(littleEndianInt);
    }
  };
  
  struct uint16le_t{
    uint16_t littleEndianInt;
    operator uint16_t() const{
      return UINT16_FROM_LE(littleEndianInt);
    }
  };
  
  struct int16le_t{
    int16_t littleEndianInt;
    operator int16_t() const{
      return INT16_FROM_LE(littleEndianInt);
    }
  };
  
  struct ChannelData{
    int chId;
    int nSamples;
    const int16le_t* samples;
  };

private:  
  struct matacqHeader_t{                 
    uint16le_t version;  
    unsigned char freqGHz;       
    unsigned char channelCount; 
    uint32_t timeStamp;  
  };                                          

  struct field32spec_t{
    int offset;
    unsigned int mask;
  };
  
  static const field32spec_t fov32;
  static const field32spec_t fedId32;
  static const field32spec_t bxId32;
  static const field32spec_t lv132;
  static const field32spec_t triggerType32;
  static const field32spec_t boeType32;
  static const field32spec_t dccLen32;
  static const field32spec_t dccErrors32;
  static const field32spec_t runNum32;
  static const field32spec_t h1Marker32;

  
  //constructors
public:
  MatacqTBRawEvent(const unsigned char* dataBuffer, size_t bufferSize){
    setRawData(dataBuffer, bufferSize);
  }
  //methods
public:
  int getFov() const { return read32(daqHeader, fov32);}
  
  int getFedId() const { return read32(daqHeader, fedId32);}

  int getBxId() const { return read32(daqHeader, bxId32);}

  unsigned getEventId() const { return read32(daqHeader, lv132);}

  int getTriggerType() const { return read32(daqHeader, triggerType32);}

  int getBoe() const { return read32(daqHeader, boeType32);}

  unsigned getDccLen() const { return read32(daqHeader, dccLen32);}

  unsigned getDaqLen() const { return fragLen;}


  int getDccErrors() const { return read32(daqHeader, dccErrors32);}

  unsigned getRunNum() const { return read32(daqHeader, runNum32);}

  int getH1Marker() const { return read32(daqHeader, h1Marker32);}
  

  int getMatacqDataFormatVersion() const { return matacqHeader->version;}

  int32_t getStatus() const { return error;}

  int getFreqGHz() const { return matacqHeader->freqGHz;}

  int getChannelCount() const { return matacqHeader->channelCount;}

  const std::vector<ChannelData>& getChannelData() const{
    return channelData;
  }

  int getParsedLen() {  return parsedLen; }
  
  time_t getTimeStamp() const { return matacqHeader->timeStamp;}


  int getTTrigPs() const { return tTrigPs;}

private:
  int read32(uint32le_t* pData, field32spec_t spec) const;
  
  void setRawData(const unsigned char* buffer, size_t bufferSize);

  //fields
private:
  int boe;

  int bxId;

  int channelCount;
  
  std::vector<ChannelData> channelData;

  uint32le_t* daqHeader;

  int dccErrors;

  unsigned dccLen;

  unsigned eventId;

  int32_t error;

  int fedId;

  int fov;

  int fragLen;

  int freqGHz;

  int h1Marker;

  matacqHeader_t* matacqHeader;
  
  int matacqDataFormatVersion;

  int parsedLen;

  uint16le_t* pSamples;

  unsigned runNum;

  time_t timeStamp;

  int tTrigPs;
  
  int triggerType;
};

#endif //MATACQRAWEVENT_H not defined