CbmStsAddress Class Reference

Interface class to unique address for the STS. More...

#include <CbmStsAddress.h>

Inheritance diagram for CbmStsAddress:

Collaboration diagram for CbmStsAddress:

Static Public Member Functions
static UInt_t	GetAddress (Int_t station=0, Int_t ladder=0, Int_t halfladder=0, Int_t module=0, Int_t sensor=0, Int_t side=0, Int_t channel=0)
	Construct address.
static UInt_t	GetAddress (Int_t *elementIds)
static Int_t	GetNofLevels ()
	Get the number of hierarchy levels For use in macros which do not include this header file.
static Int_t	GetNofBits (Int_t level)
	Get the number of bits for a given hierarchy level.
static Int_t	GetElementId (UInt_t address, Int_t level)
	Get the index of an element.
static void	Print ()
	Print information on the bit field.
static UInt_t	SetElementId (UInt_t address, Int_t level, Int_t newId)
	Set the index of an element leaving the other element levels untouched.

Static Private Attributes
static const Int_t	fgkBits [kStsNofLevels]
	Number of bits for the different levels.
static const Int_t	fgkShift [kStsNofLevels]
	Bit shifts for the different levels.
static const Int_t	fgkMask [kStsNofLevels]
	Bit masks for the different levels.

Detailed Description

Author

V.Friese v.fri.nosp@m.ese@.nosp@m.gsi.d.nosp@m.e

Version

1.0

The CbmStsAddress interprets and modifies the unique address for the STS by the proper bit operation on the address bit field.

The current definition of the bit field for the STS is:

                                          3         2         1

Level Bits Max. Elements Shift 10987654321098765432109876543210
System (kSTS) 4 16 0 0000000000000000000000000000xxxx
Station 4 16 4 000000000000000000000000xxxx0000
Ladder 4 16 8 00000000000000000000xxxx00000000
HalfLadder 1 2 12 0000000000000000000x000000000000
Module 3 8 13 0000000000000000xxx0000000000000
Sensor 2 4 16 00000000000000xx0000000000000000
Side 1 2 18 0000000000000x000000000000000000
Channel 13 8192 19 xxxxxxxxxxxxx0000000000000000000

Definition at line 53 of file CbmStsAddress.h.

Member Function Documentation

GetAddress() [1/2]

UInt_t CbmStsAddress::GetAddress ( Int_t * elementIds )

static

Definition at line 86 of file CbmStsAddress.cxx.

References fgkBits, fgkShift, kStsNofLevels, and kStsSystem.

GetAddress() [2/2]

UInt_t CbmStsAddress::GetAddress ( Int_t station = 0, Int_t ladder = 0, Int_t halfladder = 0, Int_t module = 0, Int_t sensor = 0, Int_t side = 0, Int_t channel = 0 )

static

Parameters

station	Station index
ladder	Ladder index in station
halfladder	Halfladder index in ladder
module	Module index within halfladder
sensor	Sensor index within module
side	Side (0=front, 1=back) of sensor
channel	Channel number

Returns

Unique element address

Definition at line 39 of file CbmStsAddress.cxx.

References fgkBits, fgkShift, kStsChannel, kStsHalfLadder, kStsLadder, kStsModule, kStsSensor, kStsSide, kStsStation, and kStsSystem.

Referenced by CbmStsAddress_test().

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GetElementId()

Int_t CbmStsAddress::GetElementId ( UInt_t address, Int_t level )

inlinestatic

Parameters

address	Unique element address
level	Hierarchy level

Returns

Element index

Definition at line 99 of file CbmStsAddress.h.

References fgkMask, fgkShift, and kStsNofLevels.

Referenced by CbmStsAddress_test(), CbmStsElement::GetIndex(), and CbmStsSenzor::GetSensorId().

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GetNofBits()

Int_t CbmStsAddress::GetNofBits ( Int_t level )

inlinestatic

Parameters

level

Requested element level

Returns

Number of bits in address field

Definition at line 87 of file CbmStsAddress.h.

References fgkBits, and kStsNofLevels.

Referenced by CbmStsAddress_test().

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GetNofLevels()

Int_t CbmStsAddress::GetNofLevels ( )

inlinestatic

Returns

Number of hierarchy levels

Definition at line 81 of file CbmStsAddress.h.

References kStsNofLevels.

Referenced by CbmStsAddress_test().

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Print()

void CbmStsAddress::Print ( )

static

Definition at line 104 of file CbmStsAddress.cxx.

References fgkBits, fgkMask, and kStsNofLevels.

Referenced by CbmStsAddress_test().

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SetElementId()

UInt_t CbmStsAddress::SetElementId ( UInt_t address, Int_t level, Int_t newId )

inlinestatic

Parameters

address	Unique element address
level	Hierarchy level
newId	New element index

Returns

New address

Definition at line 116 of file CbmStsAddress.h.

References fgkBits, fgkMask, fgkShift, and kStsNofLevels.

Referenced by CbmStsElement::AddDaughter(), CbmStsModule::AddSensor(), and CbmStsAddress_test().

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Member Data Documentation

fgkBits

const Int_t CbmStsAddress::fgkBits

staticprivate

Initial value:

= {fgkSystemBits,   
     4,               
     4,               
     1,               
     3,               
     2,               
     1,               
     13}

Definition at line 11 of file CbmStsAddress.h.

Referenced by GetAddress(), GetAddress(), GetNofBits(), Print(), and SetElementId().

fgkMask

const Int_t CbmStsAddress::fgkMask

staticprivate

Initial value:

= {(1 << fgkBits[0]) - 1, (1 << fgkBits[1]) - 1, (1 << fgkBits[2]) - 1,
     (1 << fgkBits[3]) - 1, (1 << fgkBits[4]) - 1, (1 << fgkBits[5]) - 1,
     (1 << fgkBits[6]) - 1, (1 << fgkBits[7]) - 1}

Definition at line 33 of file CbmStsAddress.h.

Referenced by GetElementId(), Print(), and SetElementId().

fgkShift

const Int_t CbmStsAddress::fgkShift

staticprivate

Initial value:

= {0,
     CbmStsAddress::fgkShift[0] + CbmStsAddress::fgkBits[0],
     CbmStsAddress::fgkShift[1] + CbmStsAddress::fgkBits[1],
     CbmStsAddress::fgkShift[2] + CbmStsAddress::fgkBits[2],
     CbmStsAddress::fgkShift[3] + CbmStsAddress::fgkBits[3],
     CbmStsAddress::fgkShift[4] + CbmStsAddress::fgkBits[4],
     CbmStsAddress::fgkShift[5] + CbmStsAddress::fgkBits[5],
     CbmStsAddress::fgkShift[6] + CbmStsAddress::fgkBits[6]}

Definition at line 22 of file CbmStsAddress.h.

Referenced by GetAddress(), GetAddress(), GetElementId(), and SetElementId().

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

• detectors/sts/setup/CbmStsAddress.h
• detectors/sts/setup/CbmStsAddress.cxx