amc13::Trailer Class Reference

#include <AMC13Spec.h>

Public Member Functions
bool	check (unsigned int crc, unsigned int block, unsigned int lv1_id, unsigned int bx) const
unsigned int	getBlock () const
unsigned int	getBX () const
unsigned int	getCRC () const
unsigned int	getLV1ID () const
uint64_t	raw () const
	Trailer (const uint64_t *data)
	Trailer (unsigned int blk, unsigned int lv1, unsigned int bx)

Static Public Member Functions
static void	writeCRC (const uint64_t *start, uint64_t *end)

Private Attributes
uint64_t	data_

Static Private Attributes
static const unsigned int	BlkNo_mask = 0xff
static const unsigned int	BlkNo_shift = 20
static const unsigned int	BX_mask = 0xfff
static const unsigned int	BX_shift = 0
static const unsigned int	CRC_mask = 0xffffffff
static const unsigned int	CRC_shift = 32
static const unsigned int	LV1_mask = 0xff
static const unsigned int	LV1_shift = 12

Detailed Description

Definition at line 42 of file AMC13Spec.h.

Constructor & Destructor Documentation

Trailer() [1/2]

amc13::Trailer::Trailer ( const uint64_t *  data )

inline

Definition at line 44 of file AMC13Spec.h.

: data_(data[0]){};

Trailer() [2/2]

amc13::Trailer::Trailer	(	unsigned int	blk,
		unsigned int	lv1,
		unsigned int	bx
	)

Definition at line 21 of file AMC13Spec.cc.

                                                                      {
    data_ = (static_cast<uint64_t>(blk & BlkNo_mask) << BlkNo_shift) |
            (static_cast<uint64_t>(lv1 & LV1_mask) << LV1_shift) | (static_cast<uint64_t>(bx & BX_mask) << BX_shift);
  }

References BlkNo_mask, BlkNo_shift, l1GtPatternGenerator_cfi::bx, BX_mask, BX_shift, data_, LV1_mask, and LV1_shift.

Member Function Documentation

check()

bool amc13::Trailer::check	(	unsigned int	crc,
		unsigned int	block,
		unsigned int	lv1_id,
		unsigned int	bx
	)		const

Definition at line 26 of file AMC13Spec.cc.

                                                                                                      {
    if ((crc != 0 && crc != getCRC()) || block != getBlock() || (lv1_id & LV1_mask) != getLV1ID() ||
        (bx & BX_mask) != getBX()) {
      edm::LogWarning("L1T") << "Found AMC13 trailer with:"
                             << "\n\tBX " << getBX() << ", LV1 ID " << getLV1ID() << ", block # " << getBlock()
                             << ", CRC " << std::hex << std::setw(8) << std::setfill('0') << getCRC() << std::dec
                             << "\nBut expected:"
                             << "\n\tBX " << (bx & BX_mask) << ", LV1 ID " << (lv1_id & LV1_mask) << ", block # "
                             << block << ", CRC " << std::hex << std::setw(8) << std::setfill('0') << crc;
      return false;
    }
    return true;
  }

References groupFilesInBlocks::block, l1GtPatternGenerator_cfi::bx, BX_mask, TauDecayModes::dec, getBlock(), getBX(), getCRC(), getLV1ID(), and LV1_mask.

getBlock()

unsigned int amc13::Trailer::getBlock ( ) const

inline

Definition at line 48 of file AMC13Spec.h.

{ return (data_ >> BlkNo_shift) & BlkNo_mask; };

References BlkNo_mask, BlkNo_shift, and data_.

Referenced by check(), and omtf::OmtfUnpacker::produce().

getBX()

unsigned int amc13::Trailer::getBX ( ) const

inline

Definition at line 50 of file AMC13Spec.h.

{ return (data_ >> BX_shift) & BX_mask; };

References BX_mask, BX_shift, and data_.

Referenced by check(), and omtf::OmtfUnpacker::produce().

getCRC()

unsigned int amc13::Trailer::getCRC ( ) const

inline

Definition at line 47 of file AMC13Spec.h.

{ return (data_ >> CRC_shift) & CRC_mask; };

References CRC_mask, CRC_shift, and data_.

Referenced by check(), and omtf::OmtfUnpacker::produce().

getLV1ID()

unsigned int amc13::Trailer::getLV1ID ( ) const

inline

Definition at line 49 of file AMC13Spec.h.

{ return (data_ >> LV1_shift) & LV1_mask; };

References data_, LV1_mask, and LV1_shift.

Referenced by check(), and omtf::OmtfUnpacker::produce().

raw()

uint64_t amc13::Trailer::raw ( ) const

inline

Definition at line 52 of file AMC13Spec.h.

{ return data_; };

References data_.

writeCRC()

void amc13::Trailer::writeCRC ( const uint64_t *  start, uint64_t *  end  )

static

Definition at line 40 of file AMC13Spec.cc.

                                                             {
    std::string dstring(reinterpret_cast<const char*>(start), reinterpret_cast<const char*>(end) + 4);
    auto crc = cms::CRC32Calculator(dstring).checksum();
 
    *end = ((*end) & ~(uint64_t(CRC_mask) << CRC_shift)) | (static_cast<uint64_t>(crc & CRC_mask) << CRC_shift);
  }

References cms::CRC32Calculator::checksum(), CRC_mask, CRC_shift, mps_fire::end, and AlCaHLTBitMon_QueryRunRegistry::string.

Referenced by amc13::Packet::write().

Member Data Documentation

BlkNo_mask

const unsigned int amc13::Trailer::BlkNo_mask = 0xff

staticprivate

Definition at line 60 of file AMC13Spec.h.

Referenced by getBlock(), and Trailer().

BlkNo_shift

const unsigned int amc13::Trailer::BlkNo_shift = 20

staticprivate

Definition at line 59 of file AMC13Spec.h.

Referenced by getBlock(), and Trailer().

BX_mask

const unsigned int amc13::Trailer::BX_mask = 0xfff

staticprivate

Definition at line 64 of file AMC13Spec.h.

Referenced by check(), getBX(), and Trailer().

BX_shift

const unsigned int amc13::Trailer::BX_shift = 0

staticprivate

Definition at line 63 of file AMC13Spec.h.

Referenced by getBX(), and Trailer().

CRC_mask

const unsigned int amc13::Trailer::CRC_mask = 0xffffffff

staticprivate

Definition at line 58 of file AMC13Spec.h.

Referenced by getCRC(), and writeCRC().

CRC_shift

const unsigned int amc13::Trailer::CRC_shift = 32

staticprivate

Definition at line 57 of file AMC13Spec.h.

Referenced by getCRC(), and writeCRC().

data_

uint64_t amc13::Trailer::data_

private

Definition at line 66 of file AMC13Spec.h.

Referenced by getBlock(), getBX(), getCRC(), getLV1ID(), raw(), and Trailer().

LV1_mask

const unsigned int amc13::Trailer::LV1_mask = 0xff

staticprivate

Definition at line 62 of file AMC13Spec.h.

Referenced by check(), getLV1ID(), and Trailer().

LV1_shift

const unsigned int amc13::Trailer::LV1_shift = 12

staticprivate

Definition at line 61 of file AMC13Spec.h.

Referenced by getLV1ID(), and Trailer().