#include <GBTWord.h>

Inherits o2::itsmft::GBTWord.

Public Types
enum	PacketStates : int { PacketDone = 0 , TransmissionTimeout = 1 , PacketOverflow = 2 , LaneStartsViolation = 3 , LaneTimeouts = 4 , NStatesDefined , MaxStateCombinations = 0x1 << NStatesDefined }

Public Member Functions
	GBTDataTrailer ()

	GBTDataTrailer (int lanesStop, int lanesTimeOut, bool done, bool transmTO, bool overflow, bool laneStViol, bool laneTO)

uint8_t	getPacketState () const

void	setByte (uint8_t v, int which)=delete

	ClassDefNV (GBTDataTrailer, 1)

Public Member Functions inherited from o2::itsmft::GBTWord
	GBTWord ()=default

bool	isDataHeader () const
	check if the GBT Header corresponds to GBT payload header

bool	isDataTrailer () const
	check if the GBT Header corresponds to GBT payload trailer

bool	isTriggerWord () const
	check if the GBT Header corresponds to GBT trigger word

bool	isDiagnosticWord () const
	check if the GBT Header corresponds to Diagnostic data

bool	isCalibrationWord () const
	check if the GBT Header corresponds to Calibration word

bool	isDataIB () const
	check if the GBT Header corresponds to ITS IB data (header is combined with lanes info)

bool	isCableDiagnosticIB () const
	check if the GBT Header corresponds to ITS IB diagnostics data (header is combined with lanes info)

bool	isDataOB () const
	check if the GBT Header corresponds to ITS OB data (header is combined with lanes/connector info)

bool	isDataMFT () const
	check if the GBT Header corresponds to MFT data (header is combined with cable number)

bool	isCableDiagnosticOB () const
	check if the GBT Header corresponds to ITS OB diagnostics data (header is combined with lanes info)

bool	isData () const
	check if the GBT Header corresponds to ITS IB or OB data (header is combined with lanes/connector info)

bool	isCableDiagnostic () const

bool	isStatus () const

const uint64_t *	getW64 () const

const uint8_t *	getW8 () const

uint8_t	getHeader () const

void	printX (bool padded=true, std::string com="") const

void	printB (bool padded=true) const

	ClassDefNV (GBTWord, 1)

Additional Inherited Members
Public Attributes inherited from o2::itsmft::GBTWord
union {

struct {

uint64_t activeLanes: 28

uint64_t na0hn: 36
	0:27 Bit map of lanes active and eligible for readout More...

uint64_t na1hn: 8
	28:71 reserved More...

uint64_t id: 8
	28:71 reserved More...

}

struct {

uint64_t packetIdx: 16

uint64_t activeLanesL: 28
	0:15 Index of Data Packet within trigger More...

uint64_t na0h: 20
	16:43 Bit map of lanes active and eligible for readout More...

uint64_t na1h: 8
	44:64 reserved More...

}

struct {

uint64_t lanesStops: 28

uint64_t lanesTimeout: 28
	0:27 Bit map of “Valid Lane stops received”, 1 bit per lane, NOT USED More...

uint64_t na1t: 8
	28:55 Bit map of “Lane timeouts received”, 1 bit per lane, NOT USED More...

uint64_t packetDone: 1
	56:63 reserved More...

uint64_t transmissionTimeout: 1
	64 = 1 when current trigger packets transmission done More...

uint64_t packetOverflow: 1
	65 = 1 if timeout while waiting for data on lanes More...

uint64_t laneStartsViolation: 1
	66 = 1 if max number of packets reached More...

uint64_t laneTimeouts: 1
	67 = 1 if at least 1 lane (eligible for readout) had a “start violation” More...

uint64_t na2t: 3
	68 = 1 if at least 1 lane (eligible for readout) had a “start violation” More...

}

struct {

uint64_t triggerType: 12

uint64_t internal: 1
	0:11 12 lowest bits of trigger type received from CTP More...

uint64_t noData: 1
	12 Used in Continuous Mode for internally generated trigger More...

uint64_t continuation: 1
	13 No data expected (too close to previous trigger or error) More...

uint64_t na1tr: 1
	14 following data is continuation of the trigger from the previous CRU page More...

uint64_t bc: 12
	15 reserved More...

uint64_t na2tr: 4
	16:27 HB or internal trigger BC count or trigger BC from CTP More...

uint64_t orbit: 32
	28:31 reserved More...

uint64_t na3tr: 6
	32:63 Last received HB Orbit or trigger orbit count/ Orbit as received from CTP More...

}

struct {

uint64_t na0diag: 64

}

struct {

uint64_t diagnosticData: 64

uint64_t laneErrorID: 8
	0:63 Error specific diagnostic data More...

}
	Calibration Data Word.

uint8_t data8 [16]

uint64_t data64 [2] = {0}

};
	GBT word of 80 bits, bits 72:79 are reserver for GBT Header flag, the rest depends on specifications.

Detailed Description

Definition at line 210 of file GBTWord.h.

Member Enumeration Documentation

◆ PacketStates

enum o2::itsmft::GBTDataTrailer::PacketStates : int

Definition of ITS/MFT GBT trailer: 80 bits long word In CRU data it must be the last word of the payload

bits 0 : 27, Lanes stops received // not used at the moment bits 28 : 55, Lane timeouts received // not used at the moment bits 56 : 63, not used bits 64 : 71, State of GBT_Packet: 4: lane_timeouts, if at least 1 lane timed out 3: lane_starts_violation, if at least 1 lane had a start violation 2: packet_overflow, if max number of packets reached 1: transmission_timeout, if timeout of transmission (lanes) 0: packet_done, if Packet finished

Enumerator
PacketDone
TransmissionTimeout
PacketOverflow
LaneStartsViolation
LaneTimeouts
NStatesDefined
MaxStateCombinations

Definition at line 223 of file GBTWord.h.

Constructor & Destructor Documentation

◆ GBTDataTrailer() [1/2]

o2::itsmft::GBTDataTrailer::GBTDataTrailer ( )

inline

Definition at line 233 of file GBTWord.h.

◆ GBTDataTrailer() [2/2]

o2::itsmft::GBTDataTrailer::GBTDataTrailer	(	int	lanesStop,
		int	lanesTimeOut,
		bool	done,
		bool	transmTO,
		bool	overflow,
		bool	laneStViol,
		bool	laneTO
	)

inline

Definition at line 234 of file GBTWord.h.

Member Function Documentation

◆ ClassDefNV()

o2::itsmft::GBTDataTrailer::ClassDefNV	(	GBTDataTrailer	,
		1
	)

◆ getPacketState()

uint8_t o2::itsmft::GBTDataTrailer::getPacketState ( ) const

inline

Definition at line 246 of file GBTWord.h.

◆ setByte()

void o2::itsmft::GBTDataTrailer::setByte	(	uint8_t	v,
		int	which
	)

delete

The documentation for this struct was generated from the following file:

/home/runner/work/AliceO2/AliceO2/Detectors/ITSMFT/common/reconstruction/include/ITSMFTReconstruction/GBTWord.h

Public Types

Public Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ PacketStates

Constructor & Destructor Documentation

◆ GBTDataTrailer() [1/2]

◆ GBTDataTrailer() [2/2]

Member Function Documentation

◆ ClassDefNV()

◆ getPacketState()

◆ setByte()