1 #ifndef ALITOFDECODER_H
2 #define ALITOFDECODER_H
4 #include "AliTOFGeometry.h"
6 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
7 * See cxx source for full Copyright notice */
11 ///////////////////////////////////////////////////////////////
13 // This class provides the basic TOF raw data decoder. //
15 ///////////////////////////////////////////////////////////////
17 //define decoder status and bits
21 #define CHAIN_A_BIT 0x8
22 #define CHAIN_B_BIT 0x10
24 #define DRM_HEADER_STATUS 0x0
25 #define DRM_TRAILER_STATUS (DRM_BIT)
26 #define LTM_HEADER_STATUS (DRM_BIT)
27 #define LTM_TRAILER_STATUS (DRM_BIT|LTM_BIT)
28 #define TRM_HEADER_STATUS (DRM_BIT)
29 #define TRM_TRAILER_STATUS (DRM_BIT|TRM_BIT)
30 #define CHAIN_A_HEADER_STATUS (DRM_BIT|TRM_BIT)
31 #define CHAIN_A_TRAILER_STATUS (DRM_BIT|TRM_BIT|CHAIN_A_BIT)
32 #define CHAIN_B_HEADER_STATUS (DRM_BIT|TRM_BIT)
33 #define CHAIN_B_TRAILER_STATUS (DRM_BIT|TRM_BIT|CHAIN_B_BIT)
34 #define CHAIN_A_TDC_HIT_STATUS (DRM_BIT|TRM_BIT|CHAIN_A_BIT)
35 #define CHAIN_B_TDC_HIT_STATUS (DRM_BIT|TRM_BIT|CHAIN_B_BIT)
37 //define DRM/LTM fixed number of words
38 #define DRM_DATA_WORDS 5
39 #define LTM_DATA_WORDS 33
42 #define WORD_TYPE_MASK 0xf0000000
43 #define SLOT_ID_MASK 0x0000000f
46 #define GLOBAL_HEADER 0x40000000
47 #define GLOBAL_TRAILER 0x50000000
48 #define CHAIN_A_HEADER 0x00000000
49 #define CHAIN_A_TRAILER 0x10000000
50 #define CHAIN_B_HEADER 0x20000000
51 #define CHAIN_B_TRAILER 0x30000000
52 #define ERROR 0x60000000
53 #define FILLER 0x70000000
55 //define TRM ACQ status
56 #define PACKING_ENABLED_ACQ 0x0
57 #define LEADING_ONLY_ACQ 0x1
58 #define TRAILING_ONLY_ACQ 0x2
59 #define PACKING_DISABLED_ACQ 0x3
61 //define TDC hit PS status
62 #define PACKED_HIT_PS 0x0
63 #define LEADING_HIT_PS 0x1
64 #define TRAILING_HIT_PS 0x2
65 #define TOT_OVF_HIT_PS 0x3
67 //define mandatory numbers
68 #define N_EQUIPMENT 72
69 #define N_DDL N_EQUIPMENT
74 #define TRM_FIRST_SLOT_ID 3
75 #define TRM_LAST_SLOT_ID 12
77 #define TIME_BIN_WIDTH 24.4e-3//ns
78 #define TOT_BIN_WIDTH 48.8e-3//ns
79 #define TIME_TO_TOT_BIN_WIDTH ( TIME_BIN_WIDTH / TOT_BIN_WIDTH )
80 #define TOT_TO_TIME_BIN_WIDTH ( TOT_BIN_WIDTH / TIME_BIN_WIDTH )
82 //max hit number in a TDC
83 #define MAX_TDC_HIT_NUMBER 100
85 #define MAX_TDC_ERROR_NUMBER 1000
86 //max hit number in a TRM
87 #define MAX_TRM_HIT_NUMBER 2400
90 #include "AliTOFRawDataFormat.h"
91 #include "AliTOFHitDataBuffer.h"
93 class AliTOFDecoder : public TObject
96 AliTOFDecoder(); //default constructor
97 AliTOFDecoder(AliTOFHitDataBuffer *DB, AliTOFHitDataBuffer *PDB); //constructor
98 AliTOFDecoder(const AliTOFDecoder &source); //copy constructor
99 AliTOFDecoder &operator = (const AliTOFDecoder &source); //operator =
100 ~AliTOFDecoder(); //distructor
102 Bool_t Decode(UInt_t *rawData, Int_t nWords); //main decode function
103 void SetVerbose(Int_t Verbose = 1) {fVerbose = Verbose;}; //set verbose level
104 void SetV2718Patch(Bool_t V2718Patch = kTRUE) {fV2718Patch = V2718Patch;}; //set V2718 patch (no DRM)
105 void SetDataBuffer(AliTOFHitDataBuffer *DB) {fDataBuffer = DB;}; //set up data buffer
106 void SetPackedDataBuffer(AliTOFHitDataBuffer *PDB) {fPackedDataBuffer = PDB;}; //set up packed data buffer
109 * - Software Packing Inside Decoding Routines -
110 * developed by Roberto Preghenella (R+)
111 * use at your own risk
113 Bool_t InitializeSpider(); //initialize SPIDER routine
114 Bool_t ResetSpider(); //reset SPIDER routine
115 Bool_t Spider(AliTOFHitData hitData); //main SPIDER routine
117 Int_t fVerbose; //verbose flag
118 Bool_t fV2718Patch; //V2718 patch flag
119 AliTOFHitDataBuffer *fDataBuffer; //data buffer pointer
120 AliTOFHitDataBuffer *fPackedDataBuffer; //packed data buffe pointer
123 AliTOFTRMGlobalHeader *fTRMGlobalHeader; //TRM global header
124 AliTOFTRMGlobalTrailer *fTRMGlobalTrailer; //TRM global trailer
125 AliTOFTRMChainHeader *fTRMChainHeader; //TRM chain header
126 AliTOFTRMChainTrailer *fTRMChainTrailer; //TRM chain trailer
127 AliTOFTDCPackedHit *fTDCPackedHit; //TDC packed hit
128 AliTOFTDCUnpackedHit *fTDCUnpackedHit; //TDC unpacked hit
129 AliTOFTRMTDCError *fTRMTDCError; //TRM TDC error
130 AliTOFTRMDiagnosticErrorWord1 *fTRMDiagnosticErrorWord1; //TRM diagnostic error word 1
131 AliTOFTRMDiagnosticErrorWord2 *fTRMDiagnosticErrorWord2; //TRM diagnostica error word 2
134 Int_t fSpiderCurrentSlotID; //SPIDER current slot ID
135 Int_t fSpiderCurrentChain; //SPIDER current chain
136 Int_t fSpiderCurrentTDC; //SPIDER current TDC
137 Bool_t fSpiderLeadingFlag[N_CHANNEL]; //SPIDER channel leading flag
138 AliTOFHitData fSpiderLeadingHit[N_CHANNEL]; //SPIDER channel leading hit
140 ClassDef(AliTOFDecoder, 1)
143 #endif /* ALITOFDECODER_H */