[u/mrichter/AliRoot.git] / TRD / AliTRDtrapConfigHandler.h

#ifndef ALITRDMCMSIMCONFIGHANDLER_H
#define ALITRDMCMSIMCONFIGHANDLER_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * See cxx source for full Copyright notice                               */

////////////////////////////////////////////////////////////////
//                                                            //
//  Multi Chip Module Simulation Configuration Handler Class  //
//                                                            //
////////////////////////////////////////////////////////////////


#include <TObject.h>

class AliTRDgeometry;
class AliTRDtrapConfig;
class AliTRDpadPlane;


class AliTRDtrapConfigHandler : public TObject {
 public:
                    AliTRDtrapConfigHandler();
  virtual          ~AliTRDtrapConfigHandler();

  void ResetMCMs();                                           // Reset all trap registers and DMEM of the MCMs
  Int_t LoadConfig(TString filename, Int_t det);              // load a TRAP configuration from a file

  void ProcessLTUparam(Int_t dest, Int_t addr, UInt_t data);  // Process the LTU parameters
  void PrintGeoTest();                                        // Prints some information about the geometry. Only for debugging

  // UInt_t peek(Int_t rob, Int_t mcm, Int_t addr);   // not implemented yet
  // Int_t poke(Int_t rob, Int_t mcm, Int_t addr, UInt_t value);   // not implemented yet

 private:
  void  ConfigureDyCorr();                                    // deflection length correction due to Lorentz angle and tilted pad correction
  void  ConfigureDRange();                                    // deflection range LUT,  range calculated according to B-field (in T) and pt_min (in GeV/c)
  void  ConfigureNTimebins();                                 // timebins in the drift region
  void  ConfigurePIDcorr();                                   // Calculate the mcm individual correction factors for the PID

  Int_t GetPadPosNonRot(Int_t rob, Int_t mcm, Int_t channel, Double_t trackCoor[3]);    // calcutate the gobal coordinates for an mcm channel in the supermodule at position -0.5
  void GetLocalPadPos(AliTRDpadPlane *plane, Int_t rob, Int_t mcm, Int_t channel, Double_t result[2]); // calculate the local coordinates for an mcm channel

  Double_t Square(Double_t val);  // returns the square of a given number

  AliTRDtrapConfigHandler(const AliTRDtrapConfigHandler &h);             // not implemented
  AliTRDtrapConfigHandler &operator=(const AliTRDtrapConfigHandler &h);  // not implemented


  static const UInt_t fgkScsnCmdWrite=10;  // SCSN command for the write command
  static const UInt_t fgkScsnLTUparam=27;  // extended SCSN command for the LTU configuration

  static const Int_t fgkDyMaxCut = 63;     // Maximum value of the deflection cut
  static const Int_t fgkDyMinCut = -64;    // Minimum value of the deflection cut

  static const Int_t fgkMCMperROBCol = 4;  // MCMs per ROB column
  static const Int_t fgkPadsPerMCM = 18;   // readout pads per MCM
  static const Int_t fgkMCMperROBRow = 4;  // MCMs per ROB row


  AliTRDgeometry *fGeo;                    // Pointer to the AliTRDgeometry class

  Int_t fDet;   // detector number (0 - 539)

  Double_t fBField;                        // value of the L3 magnet field
  Double_t fOmegaTau;                      // ometa tau
  Double_t fPtMin;                         // lower p_t threshold for the tracks which should pass the deflection cut
  Int_t fNTimebins;                        // Number of time bins in the drift region (only relevant for GTU)
  UInt_t fScaleQ0;                         // scale parameter to map the accumulated charge in the first time window to a memory address
  UInt_t fScaleQ1;                         // scale parameter to map the accumulated charge in the second time window to a memory address
  Bool_t fPidTracklengthCorr;              // Factor to correct the accumulated charge for track length effects
  Bool_t fTiltCorr;                        // tilting correction


  ClassDef(AliTRDtrapConfigHandler,0)
};


#endif
Commit	Line	Data
5ac2e3b1	1	#ifndef ALITRDMCMSIMCONFIGHANDLER_H
	2	#define ALITRDMCMSIMCONFIGHANDLER_H
	3	/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
	4	* See cxx source for full Copyright notice */
	5
	6	////////////////////////////////////////////////////////////////
	7	// //
	8	// Multi Chip Module Simulation Configuration Handler Class //
	9	// //
	10	////////////////////////////////////////////////////////////////
	11
	12
	13	#include <TObject.h>
	14
	15	class AliTRDgeometry;
	16	class AliTRDtrapConfig;
	17	class AliTRDpadPlane;
	18
	19
	20	class AliTRDtrapConfigHandler : public TObject {
	21	public:
	22	AliTRDtrapConfigHandler();
	23	virtual ~AliTRDtrapConfigHandler();
	24
	25	void ResetMCMs(); // Reset all trap registers and DMEM of the MCMs
	26	Int_t LoadConfig(TString filename, Int_t det); // load a TRAP configuration from a file
	27
	28	void ProcessLTUparam(Int_t dest, Int_t addr, UInt_t data); // Process the LTU parameters
	29	void PrintGeoTest(); // Prints some information about the geometry. Only for debugging
	30
	31	// UInt_t peek(Int_t rob, Int_t mcm, Int_t addr); // not implemented yet
	32	// Int_t poke(Int_t rob, Int_t mcm, Int_t addr, UInt_t value); // not implemented yet
	33
	34	private:
	35	void ConfigureDyCorr(); // deflection length correction due to Lorentz angle and tilted pad correction
	36	void ConfigureDRange(); // deflection range LUT, range calculated according to B-field (in T) and pt_min (in GeV/c)
	37	void ConfigureNTimebins(); // timebins in the drift region
	38	void ConfigurePIDcorr(); // Calculate the mcm individual correction factors for the PID
	39
	40	Int_t GetPadPosNonRot(Int_t rob, Int_t mcm, Int_t channel, Double_t trackCoor[3]); // calcutate the gobal coordinates for an mcm channel in the supermodule at position -0.5
	41	void GetLocalPadPos(AliTRDpadPlane *plane, Int_t rob, Int_t mcm, Int_t channel, Double_t result[2]); // calculate the local coordinates for an mcm channel
	42
	43	Double_t Square(Double_t val); // returns the square of a given number
	44
	45	AliTRDtrapConfigHandler(const AliTRDtrapConfigHandler &h); // not implemented
	46	AliTRDtrapConfigHandler &operator=(const AliTRDtrapConfigHandler &h); // not implemented
	47
	48
	49
	50	static const UInt_t fgkScsnCmdWrite=10; // SCSN command for the write command
	51	static const UInt_t fgkScsnLTUparam=27; // extended SCSN command for the LTU configuration
	52
	53	static const Int_t fgkDyMaxCut = 63; // Maximum value of the deflection cut
	54	static const Int_t fgkDyMinCut = -64; // Minimum value of the deflection cut
	55
	56	static const Int_t fgkMCMperROBCol = 4; // MCMs per ROB column
	57	static const Int_t fgkPadsPerMCM = 18; // readout pads per MCM
	58	static const Int_t fgkMCMperROBRow = 4; // MCMs per ROB row
	59
	60
	61	AliTRDgeometry *fGeo; // Pointer to the AliTRDgeometry class
	62
	63	Int_t fDet; // detector number (0 - 539)
	64
65	Double_t fBField; // value of the L3 magnet field
66	Double_t fOmegaTau; // ometa tau
67	Double_t fPtMin; // lower p_t threshold for the tracks which should pass the deflection cut
68	Int_t fNTimebins; // Number of time bins in the drift region (only relevant for GTU)
69	UInt_t fScaleQ0; // scale parameter to map the accumulated charge in the first time window to a memory address
70	UInt_t fScaleQ1; // scale parameter to map the accumulated charge in the second time window to a memory address
71	Bool_t fPidTracklengthCorr; // Factor to correct the accumulated charge for track length effects
72	Bool_t fTiltCorr; // tilting correction
73
74
75	ClassDef(AliTRDtrapConfigHandler,0)
76	};
77
78
79	#endif
80