GEMVFAT Class Reference

#include <GEMVFAT.h>

Classes
union	VFATfirst
	VFAT data structure - 3 words of 64 bits each. More...
union	VFATsecond
union	VFATthird

Public Member Functions
uint8_t	b1010 () const
	v2 More...
uint8_t	b1100 () const
uint8_t	b1110 () const
uint16_t	bc () const
uint16_t	checkCRC ()
uint16_t	chipID () const
uint16_t	crc () const
uint16_t	crc_cal (uint16_t crc_in, uint16_t dato)
uint8_t	crcCheck () const
uint8_t	ec () const
uint8_t	flag () const
	GEMVFAT ()
	GEMVFAT (const int vfatVer, const uint16_t BC, const uint32_t EC, const uint16_t chipID, const uint64_t lsDatas, const uint64_t msDatas)
uint64_t	get_fw () const
uint64_t	get_sw () const
uint64_t	get_tw () const
uint8_t	header () const
	v3 More...
uint64_t	lsData () const
uint64_t	msData () const
int	phi () const
uint8_t	position () const
uint8_t	quality ()
	quality flag - bit: 0 good, 1 crc fail, 2 b1010 fail, 3 b1100 fail, 4 b1110 More...
void	read_fw (uint64_t word)
	Read first word from the block. More...
void	read_sw (uint64_t word)
	Read second word from the block. More...
void	read_tw (uint64_t word)
	Read third word from the block. More...
void	setPhi (int i)
void	setVersion (int i)
bool	vc () const
int	version () const
uint16_t	vfatId () const
	~GEMVFAT ()

Static Public Attributes
static const int	nChannels = 128
static const int	sizeChipID = 12

Private Attributes
uint64_t	fw_
	phi position of vfat in chamber More...
int	phiPos_
	vfat version More...
uint64_t	sw_
uint64_t	tw_
int	ver_

Detailed Description

Definition at line 5 of file GEMVFAT.h.

Constructor & Destructor Documentation

GEMVFAT::GEMVFAT

(

)

Definition at line 4 of file GEMVFAT.cc.

: ver_(0), phiPos_(0), fw_(0), sw_(0), tw_(0) {}

GEMVFAT::GEMVFAT	(	const int	vfatVer,
		const uint16_t	BC,
		const uint32_t	EC,
		const uint16_t	chipID,
		const uint64_t	lsDatas,
		const uint64_t	msDatas
	)

Definition at line 6 of file GEMVFAT.cc.

References checkCRC(), chipID(), fw_, sw_, tw_, and ver_.

                                         {
  // this constructor only used for packing sim digis
  VFATfirst fw{0};
  VFATsecond sw{0};
  VFATthird tw{0};

  fw.header = 0x1E;

  if (vfatVer == 3) {
    fw.bc = BC;
    fw.ec = EC;
    fw.pos = chipID;
  } else {
    fw.chipID = chipID;
    fw.b1110 = 14;
    fw.b1100 = 12;
    fw.b1010 = 10;
    fw.ecV2 = EC;
    fw.bcV2 = BC;
  }

  sw.lsData1 = lsDatas >> 48;
  tw.lsData2 = lsDatas & 0x0000ffffffffffff;

  fw.msData1 = msDatas >> 48;
  sw.msData2 = msDatas & 0x0000ffffffffffff;
  ver_ = vfatVer;

  fw_ = fw.word;
  sw_ = sw.word;
  tw_ = tw.word;
  // checkCRC only works after words are set
  // checkCRC not yet implemented for v3
  tw.crc = checkCRC();
  // once crc is found, save new third word
  tw_ = tw.word;
}

GEMVFAT::~GEMVFAT ( )

inline

Definition at line 56 of file GEMVFAT.h.

{}

Member Function Documentation

uint8_t GEMVFAT::b1010 ( ) const

inline

v2

Definition at line 106 of file GEMVFAT.h.

References fw_.

{ return VFATfirst{fw_}.b1010; }

uint8_t GEMVFAT::b1100 ( ) const

inline

Definition at line 107 of file GEMVFAT.h.

References fw_.

{ return VFATfirst{fw_}.b1100; }

uint8_t GEMVFAT::b1110 ( ) const

inline

Definition at line 108 of file GEMVFAT.h.

References fw_.

{ return VFATfirst{fw_}.b1110; }

uint16_t GEMVFAT::bc ( ) const

inline

Definition at line 77 of file GEMVFAT.h.

References fw_, and ver_.

Referenced by geometryXMLparser.Alignable::covariance(), and GEMVFATStatus::GEMVFATStatus().

                      {
    if (ver_ == 2)
      return VFATfirst{fw_}.bcV2;
    return VFATfirst{fw_}.bc;
  }

uint16_t GEMVFAT::checkCRC

(

)

Definition at line 85 of file GEMVFAT.cc.

References crc_cal(), fw_, mps_fire::i, lsData(), and msData().

Referenced by GEMVFAT(), and quality().

                           {
  uint16_t vfatBlockWords[12];
  vfatBlockWords[11] = ((0x000f & VFATfirst{fw_}.b1010) << 12) | VFATfirst{fw_}.bcV2;
  vfatBlockWords[10] =
      ((0x000f & VFATfirst{fw_}.b1100) << 12) | ((0x00ff & VFATfirst{fw_}.ecV2) << 4) | (0x000f & VFATfirst{fw_}.flag);
  vfatBlockWords[9] = ((0x000f & VFATfirst{fw_}.b1110) << 12) | VFATfirst{fw_}.chipID;
  vfatBlockWords[8] = (0xffff000000000000 & msData()) >> 48;
  vfatBlockWords[7] = (0x0000ffff00000000 & msData()) >> 32;
  vfatBlockWords[6] = (0x00000000ffff0000 & msData()) >> 16;
  vfatBlockWords[5] = (0x000000000000ffff & msData());
  vfatBlockWords[4] = (0xffff000000000000 & lsData()) >> 48;
  vfatBlockWords[3] = (0x0000ffff00000000 & lsData()) >> 32;
  vfatBlockWords[2] = (0x00000000ffff0000 & lsData()) >> 16;
  vfatBlockWords[1] = (0x000000000000ffff & lsData());

  uint16_t crc_fin = 0xffff;
  for (int i = 11; i >= 1; i--) {
    crc_fin = crc_cal(crc_fin, vfatBlockWords[i]);
  }
  return crc_fin;
}

uint16_t GEMVFAT::chipID ( ) const

inline

Definition at line 110 of file GEMVFAT.h.

References fw_.

Referenced by GEMVFAT().

{ return VFATfirst{fw_}.chipID; }

uint16_t GEMVFAT::crc ( ) const

inline

Definition at line 111 of file GEMVFAT.h.

References tw_.

{ return VFATthird{tw_}.crc; }

uint16_t GEMVFAT::crc_cal	(	uint16_t	crc_in,
		uint16_t	dato
	)

Definition at line 65 of file GEMVFAT.cc.

References ztail::d, mps_fire::i, and findQualityFiles::v.

Referenced by checkCRC().

                                                        {
  uint16_t v = 0x0001;
  uint16_t mask = 0x0001;
  uint16_t d = 0x0000;
  uint16_t crc_temp = crc_in;
  unsigned char datalen = 16;
  for (int i = 0; i < datalen; i++) {
    if (dato & v)
      d = 0x0001;
    else
      d = 0x0000;
    if ((crc_temp & mask) ^ d)
      crc_temp = crc_temp >> 1 ^ 0x8408;
    else
      crc_temp = crc_temp >> 1;
    v <<= 1;
  }
  return crc_temp;
}

uint8_t GEMVFAT::crcCheck ( ) const

inline

Definition at line 103 of file GEMVFAT.h.

References fw_.

{ return VFATfirst{fw_}.vc; }  // to be removed

uint8_t GEMVFAT::ec ( ) const

inline

Definition at line 82 of file GEMVFAT.h.

References fw_, and ver_.

Referenced by GEMVFATStatus::GEMVFATStatus().

                     {
    if (ver_ == 2)
      return VFATfirst{fw_}.ecV2;
    return VFATfirst{fw_}.ec;
  }

uint8_t GEMVFAT::flag ( ) const

inline

Definition at line 109 of file GEMVFAT.h.

References fw_.

{ return VFATfirst{fw_}.flag; }

uint64_t GEMVFAT::get_fw ( ) const

inline

Definition at line 60 of file GEMVFAT.h.

References fw_.

{ return fw_; }

uint64_t GEMVFAT::get_sw ( ) const

inline

Definition at line 64 of file GEMVFAT.h.

References sw_.

{ return sw_; }

uint64_t GEMVFAT::get_tw ( ) const

inline

Definition at line 68 of file GEMVFAT.h.

References tw_.

{ return tw_; }

uint8_t GEMVFAT::header ( ) const

inline

v3

Definition at line 100 of file GEMVFAT.h.

References fw_.

Referenced by GEMVFATStatus::GEMVFATStatus().

{ return VFATfirst{fw_}.header; }

uint64_t GEMVFAT::lsData ( ) const

inline

Definition at line 74 of file GEMVFAT.h.

References sw_, and tw_.

Referenced by checkCRC().

{ return uint64_t(VFATsecond{sw_}.lsData1) << 48 | VFATthird{tw_}.lsData2; }

uint64_t GEMVFAT::msData ( ) const

inline

Definition at line 75 of file GEMVFAT.h.

References fw_, and sw_.

Referenced by checkCRC().

{ return uint64_t(VFATfirst{fw_}.msData1) << 48 | VFATsecond{sw_}.msData2; }

int GEMVFAT::phi ( ) const

inline

Definition at line 72 of file GEMVFAT.h.

References phiPos_.

Referenced by Particle.Particle::__str__(), and ntupleDataFormat.Track::phiPull().

{ return phiPos_; }

uint8_t GEMVFAT::position ( ) const

inline

Definition at line 102 of file GEMVFAT.h.

References fw_.

{ return VFATfirst{fw_}.pos; }

uint8_t GEMVFAT::quality

(

)

quality flag - bit: 0 good, 1 crc fail, 2 b1010 fail, 3 b1100 fail, 4 b1110

Definition at line 49 of file GEMVFAT.cc.

References checkCRC(), fw_, submitPVResolutionJobs::q, tw_, and ver_.

                         {
  uint8_t q = 0;
  if (ver_ == 2) {
    if (VFATthird{tw_}.crc != checkCRC())
      q = 1;
    if (VFATfirst{fw_}.b1010 != 10)
      q |= 1UL << 1;
    if (VFATfirst{fw_}.b1100 != 12)
      q |= 1UL << 2;
    if (VFATfirst{fw_}.b1110 != 14)
      q |= 1UL << 3;
  }
  // quality test not yet implemented in v3
  return q;
}

void GEMVFAT::read_fw ( uint64_t  word )

inline

Read first word from the block.

Definition at line 59 of file GEMVFAT.h.

References fw_.

{ fw_ = word; }

void GEMVFAT::read_sw ( uint64_t  word )

inline

Read second word from the block.

Definition at line 63 of file GEMVFAT.h.

References sw_.

{ sw_ = word; }

void GEMVFAT::read_tw ( uint64_t  word )

inline

Read third word from the block.

Definition at line 67 of file GEMVFAT.h.

References tw_.

{ tw_ = word; }

void GEMVFAT::setPhi ( int  i )

inline

Definition at line 71 of file GEMVFAT.h.

References mps_fire::i, and phiPos_.

{ phiPos_ = i; }

void GEMVFAT::setVersion ( int  i )

inline

Definition at line 93 of file GEMVFAT.h.

References mps_fire::i, and ver_.

{ ver_ = i; }

bool GEMVFAT::vc ( ) const

inline

Definition at line 101 of file GEMVFAT.h.

References fw_.

Referenced by GEMVFATStatus::GEMVFATStatus().

{ return VFATfirst{fw_}.vc; }

int GEMVFAT::version ( ) const

inline

Definition at line 94 of file GEMVFAT.h.

References ver_.

Referenced by validation.Sample::datasetpattern(), validation.Sample::filename(), and GEMVFATStatus::GEMVFATStatus().

{ return ver_; }

uint16_t GEMVFAT::vfatId ( ) const

inline

Definition at line 87 of file GEMVFAT.h.

References fw_, and ver_.

                          {
    if (ver_ == 2)
      return VFATfirst{fw_}.chipID;
    return VFATfirst{fw_}.pos;
  }

Member Data Documentation

uint64_t GEMVFAT::fw_

private

phi position of vfat in chamber

Definition at line 123 of file GEMVFAT.h.

Referenced by b1010(), b1100(), b1110(), bc(), checkCRC(), chipID(), crcCheck(), ec(), flag(), GEMVFAT(), get_fw(), header(), msData(), position(), quality(), read_fw(), vc(), and vfatId().

const int GEMVFAT::nChannels = 128

static

Definition at line 116 of file GEMVFAT.h.

Referenced by GEMRawToDigiModule::produce().

int GEMVFAT::phiPos_

private

vfat version

Definition at line 121 of file GEMVFAT.h.

Referenced by phi(), and setPhi().

const int GEMVFAT::sizeChipID = 12

static

Definition at line 117 of file GEMVFAT.h.

uint64_t GEMVFAT::sw_

private

Definition at line 124 of file GEMVFAT.h.

Referenced by GEMVFAT(), get_sw(), lsData(), msData(), and read_sw().

uint64_t GEMVFAT::tw_

private

Definition at line 125 of file GEMVFAT.h.

Referenced by crc(), GEMVFAT(), get_tw(), lsData(), quality(), and read_tw().

int GEMVFAT::ver_

private

Definition at line 120 of file GEMVFAT.h.

Referenced by bc(), ec(), GEMVFAT(), quality(), setVersion(), version(), and vfatId().