DaqFramePreamble Class Reference

This object holds the information from the 'preamble' of a data frame. More...

#include <FramePreamble.hh>

Inheritance diagram for DaqFramePreamble:

Public Member Functions
ulonglong	frameTime ()
const unsigned short	lcm_id () const
	get LCM idendifier More...
const unsigned short	ars_id () const
	get ARS idendifier More...
const unsigned short	data_type () const
	get data type More...
const unsigned short	numberOfItems () const
	get number of items More...
virtual const unsigned char *	getdata () const
	Return a pointer to the frame data buffer. More...
virtual const unsigned int	getdatalen () const
	Return the length of the frame data buffer. More...
	DaqFramePreamble ()
	Construct an empty preamble object. More...
virtual	~DaqFramePreamble ()
	destructor More...
	ClassDef (DaqFramePreamble, 2)

Static Public Member Functions
static const unsigned int	Length ()
	Return length of an encoded frame preamble in bytes. More...

Public Attributes
unsigned int	frameSize
	Total length of the frame in 4-byte words. More...
unsigned short	dataType
	Data type code (DAQ_xxx) More...
unsigned short	frameTarget
	Unique code representing the shore station for this frame. More...
unsigned int	frameTime1
	Frame 'time stamp' in units of 50ns (MSW) More...
unsigned int	frameTime2
	Frame 'time stamp' in units of 50ns (LSW) More...
unsigned int	frameIndex
	Number of frames since start of the run. More...
unsigned short	status
	Status of frame Xon/Xoff. More...
unsigned short	nbItems
	Number of items actually sent in this frame. More...
unsigned short	LCM_ID
	ID of originating LCM. More...
unsigned short	ARS_ID
	ID of originating ARS. More...
unsigned int	runNumber
	Run-number as given by the RunControl. More...

Friends
std::ostream &	operator<< (std::ostream &out, const DaqFramePreamble &object)
	Print ASCII. More...

Detailed Description

This object holds the information from the 'preamble' of a data frame.

Definition at line 23 of file FramePreamble.hh.

Constructor & Destructor Documentation

DaqFramePreamble::DaqFramePreamble ( )

inline

Construct an empty preamble object.

Definition at line 103 of file FramePreamble.hh.

{ };

virtual DaqFramePreamble::~DaqFramePreamble ( )

inlinevirtual

destructor

Definition at line 108 of file FramePreamble.hh.

{};

Member Function Documentation

ulonglong DaqFramePreamble::frameTime ( )

inline

Returns

64 bit frame time

Definition at line 40 of file FramePreamble.hh.

  {
    return ulonglong(frameTime1,frameTime2);
  }

const unsigned short DaqFramePreamble::lcm_id ( ) const

inline

get LCM idendifier

Returns

LCM identifier

Definition at line 67 of file FramePreamble.hh.

{ return LCM_ID; }

const unsigned short DaqFramePreamble::ars_id ( ) const

inline

get ARS idendifier

Returns

ARS identifier

Definition at line 73 of file FramePreamble.hh.

{ return ARS_ID; }

const unsigned short DaqFramePreamble::data_type ( ) const

inline

get data type

Returns

data type

Definition at line 79 of file FramePreamble.hh.

{ return dataType; }

const unsigned short DaqFramePreamble::numberOfItems ( ) const

inline

get number of items

Returns

number of items

Definition at line 85 of file FramePreamble.hh.

{ return nbItems; }

virtual const unsigned char* DaqFramePreamble::getdata ( ) const

inlinevirtual

Return a pointer to the frame data buffer.

The returned value points to the start of the frame preamble.

Returns

pointer to data

Definition at line 92 of file FramePreamble.hh.

{ return NULL; }

virtual const unsigned int DaqFramePreamble::getdatalen ( ) const

inlinevirtual

Return the length of the frame data buffer.

The returned value is in bytes (not words), and includes the frame preamble.

Returns

length of data

Definition at line 100 of file FramePreamble.hh.

{ return Length(); }

static const unsigned int DaqFramePreamble::Length ( )

inlinestatic

Return length of an encoded frame preamble in bytes.

Definition at line 111 of file FramePreamble.hh.

{ return 32; }

DaqFramePreamble::ClassDef	(	DaqFramePreamble	,
		2
	)

Friends And Related Function Documentation

std::ostream& operator<< ( std::ostream &  out, const DaqFramePreamble &  object  )

friend

Print ASCII.

Parameters

out	output stream
object	frame preamble

Returns

output stream

Definition at line 120 of file FramePreamble.hh.

  {
    using namespace std;
    
    out << "frameSize   " << object.frameSize   << endl;
    out << "dataType    " << object.dataType    << endl;
    out << "frameTarget " << object.frameTarget << endl;
    out << "frameTime1  " << object.frameTime1  << endl;
    out << "frameTime2  " << object.frameTime2  << endl;
    out << "frameIndex  " << object.frameIndex  << endl;
    out << "status      " << object.status      << endl;
    out << "nbItems     " << object.nbItems     << endl;
    out << "LCM_ID      " << object.LCM_ID      << endl;
    out << "ARS_ID      " << object.ARS_ID      << endl;
    out << "runNumber   " << object.runNumber   << endl;

    return out;
  }       

Member Data Documentation

unsigned int DaqFramePreamble::frameSize

Total length of the frame in 4-byte words.

Definition at line 27 of file FramePreamble.hh.

unsigned short DaqFramePreamble::dataType

Data type code (DAQ_xxx)

Definition at line 30 of file FramePreamble.hh.

unsigned short DaqFramePreamble::frameTarget

Unique code representing the shore station for this frame.

Definition at line 33 of file FramePreamble.hh.

unsigned int DaqFramePreamble::frameTime1

Frame 'time stamp' in units of 50ns (MSW)

Definition at line 36 of file FramePreamble.hh.

unsigned int DaqFramePreamble::frameTime2

Frame 'time stamp' in units of 50ns (LSW)

Definition at line 38 of file FramePreamble.hh.

unsigned int DaqFramePreamble::frameIndex

Number of frames since start of the run.

Definition at line 46 of file FramePreamble.hh.

unsigned short DaqFramePreamble::status

Status of frame Xon/Xoff.

Definition at line 49 of file FramePreamble.hh.

unsigned short DaqFramePreamble::nbItems

Number of items actually sent in this frame.

Definition at line 52 of file FramePreamble.hh.

unsigned short DaqFramePreamble::LCM_ID

ID of originating LCM.

Definition at line 55 of file FramePreamble.hh.

unsigned short DaqFramePreamble::ARS_ID

ID of originating ARS.

Definition at line 58 of file FramePreamble.hh.

unsigned int DaqFramePreamble::runNumber

Run-number as given by the RunControl.

Definition at line 61 of file FramePreamble.hh.

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

• FramePreamble.hh