Adding the AliAnalysisGUI class which is the main class that controls the GUI.
[u/mrichter/AliRoot.git] / ITS / AliITSRawStreamSDD.cxx
1 /**************************************************************************
2  * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3  *                                                                        *
4  * Author: The ALICE Off-line Project.                                    *
5  * Contributors are mentioned in the code where appropriate.              *
6  *                                                                        *
7  * Permission to use, copy, modify and distribute this software and its   *
8  * documentation strictly for non-commercial purposes is hereby granted   *
9  * without fee, provided that the above copyright notice appears in all   *
10  * copies and that both the copyright notice and this permission notice   *
11  * appear in the supporting documentation. The authors make no claims     *
12  * about the suitability of this software for any purpose. It is          *
13  * provided "as is" without express or implied warranty.                  *
14  **************************************************************************/
15
16 /* $Id$ */
17
18 ///////////////////////////////////////////////////////////////////////////////
19 ///
20 /// This class provides access to ITS SDD digits in raw data.
21 ///
22 ///////////////////////////////////////////////////////////////////////////////
23
24 #include "AliITSRawStreamSDD.h"
25 #include "AliRawReader.h"
26
27 ClassImp(AliITSRawStreamSDD)
28
29 const Int_t AliITSRawStreamSDD::fgkDDLModuleMap[kDDLsNumber][kModulesPerDDL] = {
30   {240,241,242,246,247,248,252,253,254,258,259,260,264,265,266,270,271,272,276,277,278,-1},
31   {243,244,245,249,250,251,255,256,257,261,262,263,267,268,269,273,274,275,279,280,281,-1},
32   {282,283,284,288,289,290,294,295,296,300,301,302,306,307,308,312,313,314,318,319,320,-1},
33   {285,286,287,291,292,293,297,298,299,303,304,305,309,310,311,315,316,317,321,322,323,-1},
34   {324,325,326,327,332,333,334,335,340,341,342,343,348,349,350,351,356,357,358,359,364,365},
35   {328,329,330,331,336,337,338,339,344,345,346,347,352,353,354,355,360,361,362,363,368,369},
36   {366,367,372,373,374,375,380,381,382,383,388,389,390,391,396,397,398,399,404,405,406,407},
37   {370,371,376,377,378,379,384,385,386,387,392,393,394,395,400,401,402,403,408,409,410,411},
38   {412,413,414,415,420,421,422,423,428,429,430,431,436,437,438,439,444,445,446,447,452,453},
39   {416,417,418,419,424,425,426,427,432,433,434,435,440,441,442,443,448,449,450,451,456,457},
40   {454,455,460,461,462,463,468,469,470,471,476,477,478,479,484,485,486,487,492,493,494,495},
41   {458,459,464,465,466,467,472,473,474,475,480,481,482,483,488,489,490,491,496,497,498,499}};
42   
43 const UInt_t AliITSRawStreamSDD::fgkCodeLength[8] =  {8, 18, 2, 3, 4, 5, 6, 7};
44
45 AliITSRawStreamSDD::AliITSRawStreamSDD(AliRawReader* rawReader) :
46   AliITSRawStream(rawReader),
47 fData(0),
48 fSkip(0),
49 fEventId(0),
50 fCarlosId(0),
51 fChannel(0),
52 fJitter(0){
53 // create an object to read ITS SDD raw digits
54   
55   for(Int_t i=0;i<2;i++){
56     fChannelData[i]=0;
57     fLastBit[i]=0;
58     fChannelCode[i]=0;
59     fReadCode[i]=kFALSE;
60     fReadBits[i]=0;
61     fTimeBin[i]=0;
62     fAnode[i]=0;
63     fLowThreshold[i]=0;
64   }
65   fRawReader->Select("ITSSDD");
66
67 }
68
69 UInt_t AliITSRawStreamSDD::ReadBits()
70 {
71 // read bits from the given channel
72
73   UInt_t result = (fChannelData[fChannel] & ((1<<fReadBits[fChannel]) - 1));
74   fChannelData[fChannel] >>= fReadBits[fChannel]; 
75   fLastBit[fChannel] -= fReadBits[fChannel];
76   return result;
77 }
78
79 Int_t AliITSRawStreamSDD::DecompAmbra(Int_t value) const
80 {
81 // AMBRA decompression
82
83   if ((value & 0x80) == 0) {
84     return value & 0x7f;
85   } else if ((value & 0x40) == 0) {
86     return 0x081 + ((value & 0x3f) << 1);
87   } else if ((value & 0x20) == 0) {
88     return 0x104 + ((value & 0x1f) << 3);
89   } else {
90     return 0x208 + ((value & 0x1f) << 4);
91   }
92 }
93
94 Bool_t AliITSRawStreamSDD::Next()
95 {
96 // read the next raw digit
97 // returns kFALSE if there is no digit left
98
99   fPrevModuleID = fModuleID;
100   if (!fRawReader->ReadNextInt(fData)) return kFALSE;
101
102   UInt_t relModuleID = (fData >> 25) & 0x0000007F;
103   fModuleID = fgkDDLModuleMap[fRawReader->GetDDLID()][relModuleID];
104   fCoord1 = (fData >> 16) & 0x000001FF;
105   fCoord2 = (fData >> 8) & 0x000000FF;
106   fSignal = fData & 0x000000FF;
107
108   return kTRUE;
109 }
110