HcalDTCHeader.h

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/* -*- C++ -*- */
#ifndef HcalDTCHeader_H
#define HcalDTCHeader_H

#include <iostream>
#include <cstdint>
#include "DataFormats/HcalDigi/interface/HcalCalibrationEventTypes.h"
class HcalHTRData;

class HcalDTCHeader {
public:
  static const int SLOT_COUNT;
  static const int MINIMUM_SLOT;
  static const int MAXIMUM_SLOT;

  HcalDTCHeader();

  unsigned int getTotalLengthBytes() const;


  inline bool thereIsASecondCDFHeaderWord() const { return ((commondataformat0 >> 3) & 0x0001); }
  inline short getCDFversionNumber() const { return ((commondataformat0 >> 4) & 0x0F); }
  inline int getSourceId() const { return (commondataformat0 >> 8) & 0xFFF; }
  inline int getBunchId() const { return (commondataformat0 >> 20) & 0xFFF; }
  inline unsigned long getDTCEventNumber() const { return (commondataformat1 & 0x00FFFFFF); }
  inline unsigned short getCDFEventType() const { return ((commondataformat1 >> 24) & 0x0F); }
  inline unsigned short BOEshouldBe5Always() const { return ((commondataformat1 >> 28) & 0x0F); }


  inline bool thereIsAThirdCDFHeaderWord() const { return ((commondataformat2 >> 3) & 0x0001); }
  inline unsigned int getOrbitNumber() const { return (((commondataformat3 & 0xF) << 28) + (commondataformat2 >> 4)); }
  inline unsigned int getSlink64ReservedBits() const { return ((commondataformat3 >> 4) & 0x00FFFFFF); }
  inline short BOEshouldBeZeroAlways() const { return ((commondataformat3 >> 28) & 0x0F); }

  inline bool isCalibType() const { return (0 != getCalibType()); }
  inline HcalCalibrationEventType getCalibType() const {
    return HcalCalibrationEventType((commondataformat3 >> 24) & 0x0000000F);
  }

  inline short getDTCDataFormatVersion() const { return (dcch0 & 0xFF); }
  inline int nSlotWords() const { return ((dcch0 >> 20) & 0x0000000F); }
  inline int nDTCWords() const { return ((dcch0 >> 8) & 0x00000FFF); }

  inline int getSlotSummary(int nslot) const { return slotInfo[nslot]; }

  int getSlotData(int nslot, HcalHTRData& decodeTool, int validSize) const;

  inline unsigned int getSlotDataLength(int nslot) const {
    return (nslot < 1 || nslot > 12) ? (0) : (slotInfo[nslot - 1] & 0xfff);
  }

  inline bool getSlotEnabled(unsigned int nslot) const {
    return (nslot < 1 || nslot > 12) ? (false) : (slotInfo[nslot - 1] & 0x8000);
  }
  inline bool getSlotPresent(unsigned int nslot) const {
    return (nslot < 1 || nslot > 12) ? (false) : (slotInfo[nslot - 1] & 0x4000);
  }
  inline bool getSlotValid(unsigned int nslot) const {
    return (nslot < 1 || nslot > 12) ? (false) : (slotInfo[nslot - 1] & 0x2000);
  }
  inline bool getSlotCRCError(unsigned int nslot) const {
    return (nslot < 1 || nslot > 12) ? (false) : (slotInfo[nslot - 1] & 0x1000);
  }

  /* (for packing only) */
  void copySlotData(unsigned int slot_id, const HcalHTRData& data, bool valid = true);

  void clear();
  void setHeader(int sourceid, int bcn, int l1aN, int orbN);

private:
  // CURRENTLY VALID FOR LITTLE-ENDIAN (LINUX/x86) ONLY
  uint32_t commondataformat0;
  uint32_t commondataformat1;
  uint32_t commondataformat2;
  uint32_t commondataformat3;
  uint32_t dcch0;
  uint32_t dcch1;
  uint16_t slotInfo[12];
};

std::ostream& operator<<(std::ostream&, const HcalDTCHeader& head);

#endif