#include <DTConfigLUTs.h>

Inheritance diagram for DTConfigLUTs:

Public Member Functions
int	BTIC () const
	BTIC parameter.
float	D () const
	d: distance vertex to normal, unit cm.
bool	debug () const
	Debug flag.
void	DSPtoIEEE32 (short DSPmantissa, short DSPexp, float *f)
	DSP to IEEE32 conversion.
	DTConfigLUTs (const edm::ParameterSet &ps)
	Constructor.
	DTConfigLUTs ()
	Empty Constructor.
	DTConfigLUTs (bool debug, unsigned short int *buffer)
	Constructor from string.
void	IEEE32toDSP (float f, short int &DSPmantissa, short int &DSPexp)
	IEEE32 to DSP conversion.
void	print () const
	Print the setup.
void	setBTIC (int btic)
void	setD (float d)
void	setDebug (bool debug)
	Set single parameter functions.
void	setWHEEL (int wheel)
void	setXCN (float Xcn)
int	Wheel () const
	wheel sign (-1 or +1)
float	Xcn () const
	Xcn: distance vertex to normal, unit cm.
	~DTConfigLUTs ()
	Destructor.
Private Member Functions
void	setDefaults (const edm::ParameterSet &m_ps)
	Load pset values into class variables.
Private Attributes
int	m_btic
float	m_d
bool	m_debug
int	m_wheel
float	m_Xcn

Detailed Description

Configurable parameters and constants for Level-1 Muon DT Trigger - LUTs

Author:: S. Vanini

Definition at line 36 of file DTConfigLUTs.h.

Constructor & Destructor Documentation

DTConfigLUTs::DTConfigLUTs ( const edm::ParameterSet & ps )

Constructor.

Definition at line 34 of file DTConfigLUTs.cc.

References setDefaults().

                                                    { 
  setDefaults(ps);
}

DTConfigLUTs::DTConfigLUTs ( ) [inline]

Empty Constructor.

Definition at line 44 of file DTConfigLUTs.h.

{};

DTConfigLUTs::DTConfigLUTs	(	bool	debug,
		unsigned short int *	buffer
	)

Constructor from string.

Definition at line 38 of file DTConfigLUTs.cc.

References trackerHits::c, DSPtoIEEE32(), Exception, i, m_debug, setBTIC(), setD(), setWHEEL(), setXCN(), and Xcn().

                                                                      {

  m_debug = debugLUTS;

  // check if this is a LUT configuration string
  if (buffer[2]!=0xA8){
        throw cms::Exception("DTTPG") << "===> ConfigLUTs constructor : not a LUT string!" << std::endl;
  }
   
  // decode
  short int memory_lut[7];
  int c=3;
  for(int i=0;i<7;i++){
        memory_lut[i] = (buffer[c]<<8) | buffer[c+1];
        c += 2;
        //std::cout << hex << memory_bti[i] << "  ";
  }

  // decode
  int btic = memory_lut[0];
  float d;
  DSPtoIEEE32( memory_lut[1],  memory_lut[2], &d );
  float Xcn;     
  DSPtoIEEE32( memory_lut[3],  memory_lut[4], &Xcn );
  int wheel = memory_lut[5];

  // set parameters 
  setBTIC(btic);
  setD(d);
  setXCN(Xcn);
  setWHEEL(wheel);
  
  return; 
}

DTConfigLUTs::~DTConfigLUTs ( )

Destructor.

Definition at line 76 of file DTConfigLUTs.cc.

{}

Member Function Documentation

int DTConfigLUTs::BTIC ( ) const [inline]

BTIC parameter.

Definition at line 56 of file DTConfigLUTs.h.

References m_btic.

Referenced by Lut::Lut().

{ return m_btic; }

float DTConfigLUTs::D ( ) const [inline]

d: distance vertex to normal, unit cm.

Definition at line 59 of file DTConfigLUTs.h.

References m_d.

Referenced by DTConfigManager::dumpLUTParam(), and Lut::Lut().

{ return  m_d; }

bool DTConfigLUTs::debug ( ) const [inline]

Debug flag.

Definition at line 53 of file DTConfigLUTs.h.

References m_debug.

Referenced by print(), and setDebug().

{ return m_debug; }

void DTConfigLUTs::DSPtoIEEE32	(	short	DSPmantissa,
		short	DSPexp,
		float *	f
	)

DSP to IEEE32 conversion.

Definition at line 116 of file DTConfigLUTs.cc.

References funct::pow().

Referenced by DTConfigLUTs().

{
  DSPexp -= 15;
  *f = DSPmantissa * (float)pow( 2.0, DSPexp );
  return;
}

void DTConfigLUTs::IEEE32toDSP	(	float	f,
		short int &	DSPmantissa,
		short int &	DSPexp
	)

IEEE32 to DSP conversion.

Definition at line 125 of file DTConfigLUTs.cc.

Referenced by DTConfigManager::dumpLUTParam().

{
  long int *pl=0, lm;
  bool sign=false;

  DSPmantissa = 0;
  DSPexp = 0;

  if( f!=0.0 )
  {
        //pl = (long *)&f;
        memcpy(pl,&f,sizeof(float));
        if((*pl & 0x80000000)!=0)
                sign=true;
        lm = ( 0x800000 | (*pl & 0x7FFFFF)); // [1][23bit mantissa]
        lm >>= 9; //reduce to 15bits
        lm &= 0x7FFF;
        DSPexp = ((*pl>>23)&0xFF)-126;
        DSPmantissa = (short)lm;
        if(sign)
                DSPmantissa = - DSPmantissa;  // convert negative value in 2.s complement

  }
  return;
}

void DTConfigLUTs::print ( void ) const

Print the setup.

Definition at line 102 of file DTConfigLUTs.cc.

References gather_cfg::cout, debug(), m_btic, m_d, m_wheel, and m_Xcn.

                          {

  std::cout << "******************************************************************************" << std::endl;
  std::cout << "*              DTTrigger configuration : LUT parameters             *" << std::endl;
  std::cout << "******************************************************************************" << std::endl << std::endl;
  std::cout << "Debug flag : " <<  debug()     << std::endl;
  std::cout << "BTIC parameter : " << m_btic << std::endl;
  std::cout << "d: distance vertex to normal, unit cm. " << m_d << std::endl;
  std::cout << "Xcn: distance vertex to normal, unit cm. " << m_Xcn << std::endl;
  std::cout << "wheel sign " << m_wheel << std::endl;
  std::cout << "******************************************************************************" << std::endl;
}

void DTConfigLUTs::setBTIC ( int btic ) [inline]

Definition at line 69 of file DTConfigLUTs.h.

References m_btic.

Referenced by DTConfigLUTs().

{ m_btic = btic; }

void DTConfigLUTs::setD ( float d ) [inline]

Definition at line 70 of file DTConfigLUTs.h.

References m_d.

Referenced by DTConfigLUTs().

{ m_d = d; }

void DTConfigLUTs::setDebug ( bool debug ) [inline]

Set single parameter functions.

Definition at line 68 of file DTConfigLUTs.h.

References debug(), and m_debug.

{ m_debug=debug; }

void DTConfigLUTs::setDefaults ( const edm::ParameterSet & m_ps ) [private]

Load pset values into class variables.

Definition at line 83 of file DTConfigLUTs.cc.

References edm::ParameterSet::getUntrackedParameter(), m_btic, m_d, m_debug, m_wheel, and m_Xcn.

Referenced by DTConfigLUTs().

                                                     {

  // Debug flag 
  m_debug = m_ps.getUntrackedParameter<bool>("Debug");

  // BTIC parameter
  m_btic = m_ps.getUntrackedParameter<int>("BTIC");

  // d: distance vertex to normal, unit cm. 
  m_d = m_ps.getUntrackedParameter<double>("D");
  
  // Xcn: distance vertex to normal, unit cm. 
  m_Xcn = m_ps.getUntrackedParameter<double>("XCN");
    
  // wheel sign (-1 or +1)
  m_wheel = m_ps.getUntrackedParameter<int>("WHEEL");
}