#include <Coda3EventDecoder.h>

Public Member Functions
	TBOBJ ()

void	Clear ()

uint32_t	Fill (const uint32_t *evbuffer, uint32_t blkSize, uint32_t tsroc)

bool	withTimeStamp () const

bool	withRunInfo () const

bool	withTriggerBits () const

Data Fields
uint32_t	blksize

uint16_t	tag

uint16_t	nrocs

uint32_t	len

uint32_t	tsrocLen

uint64_t	evtNum

uint64_t	runInfo

const uint32_t *	start

const uint64_t *	evTS

const uint16_t *	evType

const uint32_t *	TSROC

Detailed Description

Definition at line 102 of file Coda3EventDecoder.h.

Constructor & Destructor Documentation

◆ TBOBJ()

Coda3EventDecoder::TBOBJ::TBOBJ ( )

inline

Definition at line 104 of file Coda3EventDecoder.h.

                : blksize(0), tag(0), nrocs(0), len(0), tsrocLen(0), evtNum(0),
                  runInfo(0), start(nullptr), evTS(nullptr), evType(nullptr),
                  TSROC(nullptr) {}

References blksize, evtNum, evTS, evType, len, nrocs, runInfo, start, tag, TSROC, and tsrocLen.

Member Function Documentation

◆ Clear()

void Coda3EventDecoder::TBOBJ::Clear ( )

inline

Definition at line 107 of file Coda3EventDecoder.h.

107{ memset(this, 0, sizeof(*this)); }

◆ Fill()

uint32_t Coda3EventDecoder::TBOBJ::Fill	(	const uint32_t *	evbuffer,
		uint32_t	blkSize,
		uint32_t	tsroc )

Definition at line 296 of file Coda3EventDecoder.cc.

{
    if( blkSize == 0 )
        throw std::invalid_argument("CODA block size must be > 0");
    start = evbuffer;
    blksize = blkSize;
    len = evbuffer[0] + 1;
    tag = (evbuffer[1] & 0xffff0000) >> 16;
    nrocs = evbuffer[1] & 0xff;
 
    const uint32_t* p = evbuffer + 2;
    // Segment 1:
    //  uint64_t event_number
    //  uint64_t run_info                if withRunInfo
    //  uint64_t time_stamp[blkSize]     if withTimeStamp
    {
        uint32_t slen = *p & 0xffff;
        if( slen != 2*(1 + (withRunInfo() ? 1 : 0) + (withTimeStamp() ? blkSize : 0)))
            throw coda_format_error("Invalid length for Trigger Bank seg 1");
        const uint32_t *q = (p+1);
        memcpy(&evtNum, q++, sizeof(evtNum)); // uint64_t
        if (withTimeStamp()) {
            evTS = reinterpret_cast<const uint64_t*>(++q); // uint64_t[blkSize]
            q += 2*(blksize-1);
        } else {
            evTS = nullptr;
        }
        if (withRunInfo()) {
            memcpy(&runInfo, q+=2, sizeof(runInfo)); // uint64_t
        } else {
            runInfo = 0;
        }
        p += slen + 1;
    }
    if( p-evbuffer >= len )
        throw coda_format_error("Past end of bank after Trigger Bank seg 1");
 
    // Segment 2:
    //  uint16_t event_type[blkSize]
    //  padded to next 32-bit boundary
    {
        uint32_t slen = *p & 0xffff;
        if( slen != (blkSize-1)/2 + 1 )
            throw coda_format_error("Invalid length for Trigger Bank seg 2");
        evType = (const uint16_t*) (p + 1);
        p += slen + 1;
    }
 
    // nroc ROC segments containing timestamps and optional
    // data like trigger latch bits:
    // struct {
    //   uint64_t roc_time_stamp;     // Lower 48 bits only seem to be the time.
    //   uint32_t roc_trigger_bits;   // Optional. Typically only in TSROC.
    // } roc_segment[blkSize];
    TSROC = nullptr;
    tsrocLen = 0;
    for( uint32_t i = 0; i < nrocs; ++i ) {
        if( p-evbuffer >= len )
            throw coda_format_error("Past end of bank while scanning trigger bank segments");
        uint32_t slen = *p & 0xffff;
        uint32_t rocnum = (*p & 0xff000000) >> 24;
        // TODO:
        // tsroc is the crate # of the TS
        // This is filled with Podd's THaCrateMap class which we are not using
        // tsroc is currently always 0
        if( rocnum == tsroc ) {
            TSROC = p + 1;
            tsrocLen = slen;
            break;
        }
        p += slen + 1;
    }
 
    return len;
}

References blksize, evtNum, evTS, evType, len, nrocs, runInfo, start, tag, TSROC, tsrocLen, withRunInfo(), and withTimeStamp().

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◆ withRunInfo()

bool Coda3EventDecoder::TBOBJ::withRunInfo ( ) const

inline

Definition at line 110 of file Coda3EventDecoder.h.

110{ return (tag & 2) != 0; }

References tag.

Referenced by Fill().

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◆ withTimeStamp()

bool Coda3EventDecoder::TBOBJ::withTimeStamp ( ) const

inline

Definition at line 109 of file Coda3EventDecoder.h.

109{ return (tag & 1) != 0; }

References tag.

Referenced by Fill().

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◆ withTriggerBits()

bool Coda3EventDecoder::TBOBJ::withTriggerBits ( ) const

inline

Definition at line 111 of file Coda3EventDecoder.h.

111{ return (tsrocLen > 2*blksize);}

References blksize, and tsrocLen.

Field Documentation

◆ blksize

uint32_t Coda3EventDecoder::TBOBJ::blksize

Definition at line 113 of file Coda3EventDecoder.h.

Referenced by Fill(), TBOBJ(), and withTriggerBits().

◆ evtNum

uint64_t Coda3EventDecoder::TBOBJ::evtNum

Definition at line 118 of file Coda3EventDecoder.h.

Referenced by Fill(), and TBOBJ().

◆ evTS

const uint64_t* Coda3EventDecoder::TBOBJ::evTS

Definition at line 121 of file Coda3EventDecoder.h.

Referenced by Fill(), and TBOBJ().

◆ evType

const uint16_t* Coda3EventDecoder::TBOBJ::evType

Definition at line 122 of file Coda3EventDecoder.h.

Referenced by Fill(), and TBOBJ().

◆ len

uint32_t Coda3EventDecoder::TBOBJ::len

Definition at line 116 of file Coda3EventDecoder.h.

Referenced by Fill(), and TBOBJ().

◆ nrocs

uint16_t Coda3EventDecoder::TBOBJ::nrocs

Definition at line 115 of file Coda3EventDecoder.h.

Referenced by Fill(), and TBOBJ().

◆ runInfo

uint64_t Coda3EventDecoder::TBOBJ::runInfo

Definition at line 119 of file Coda3EventDecoder.h.

Referenced by Fill(), and TBOBJ().

◆ start

const uint32_t* Coda3EventDecoder::TBOBJ::start

Definition at line 120 of file Coda3EventDecoder.h.

Referenced by Fill(), and TBOBJ().

◆ tag

uint16_t Coda3EventDecoder::TBOBJ::tag

Definition at line 114 of file Coda3EventDecoder.h.

Referenced by Fill(), TBOBJ(), withRunInfo(), and withTimeStamp().

◆ TSROC

const uint32_t* Coda3EventDecoder::TBOBJ::TSROC

Definition at line 123 of file Coda3EventDecoder.h.

Referenced by Fill(), and TBOBJ().

◆ tsrocLen

uint32_t Coda3EventDecoder::TBOBJ::tsrocLen

Definition at line 117 of file Coda3EventDecoder.h.

Referenced by Fill(), TBOBJ(), and withTriggerBits().

The documentation for this class was generated from the following files:

Public Member Functions

Data Fields

Detailed Description

Constructor & Destructor Documentation

◆ TBOBJ()

Member Function Documentation

◆ Clear()

◆ Fill()

◆ withRunInfo()

◆ withTimeStamp()

◆ withTriggerBits()

Field Documentation

◆ blksize

◆ evtNum

◆ evTS

◆ evType

◆ len

◆ nrocs

◆ runInfo

◆ start

◆ tag

◆ TSROC

◆ tsrocLen