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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 ZDC digits in raw data. // | |
21 | // // | |
22 | // It loops over all ZDC digits in the raw data given by the AliRawReader. // | |
23 | // The Next method goes to the next digit. If there are no digits left // | |
24 | // it returns kFALSE. // | |
25 | // Getters provide information about the current digit. // | |
26 | // // | |
27 | /////////////////////////////////////////////////////////////////////////////// | |
28 | ||
29 | #include "AliZDCRawStream.h" | |
30 | #include "AliRawReader.h" | |
31 | #include "AliLog.h" | |
32 | ||
33 | ClassImp(AliZDCRawStream) | |
34 | ||
35 | ||
36 | //_____________________________________________________________________________ | |
37 | AliZDCRawStream::AliZDCRawStream(AliRawReader* rawReader) : | |
38 | fRawReader(rawReader), | |
39 | fRawADC(0), | |
40 | fADCModule(0), | |
41 | fADCChannel(-1), | |
42 | fADCValue(-1), | |
43 | fADCGain(0), | |
44 | fIsADCDataWord(kFALSE) | |
45 | { | |
46 | // Create an object to read ZDC raw digits | |
47 | ||
48 | fRawReader->Select("ZDC"); | |
49 | } | |
50 | ||
51 | //_____________________________________________________________________________ | |
52 | AliZDCRawStream::AliZDCRawStream(const AliZDCRawStream& stream) : | |
53 | TObject(stream), | |
54 | fRawReader(stream.fRawReader), | |
55 | fRawADC(stream.GetADCRaw()), | |
56 | fADCModule(stream.GetADCModule()), | |
57 | fADCChannel(stream.GetADCChannel()), | |
58 | fADCValue(stream.GetADCValue()), | |
59 | fADCGain(stream.GetADCGain()), | |
60 | fIsADCDataWord(stream.IsADCDataWord()) | |
61 | { | |
62 | // Copy constructor | |
63 | for(Int_t j=0; j<2; j++) fSector[j] = stream.GetSector(j); | |
64 | ||
65 | } | |
66 | ||
67 | //_____________________________________________________________________________ | |
68 | AliZDCRawStream& AliZDCRawStream::operator = (const AliZDCRawStream& | |
69 | /* stream */) | |
70 | { | |
71 | // Assignment operator | |
72 | Fatal("operator =", "assignment operator not implemented"); | |
73 | return *this; | |
74 | } | |
75 | ||
76 | //_____________________________________________________________________________ | |
77 | AliZDCRawStream::~AliZDCRawStream() | |
78 | { | |
79 | // Destructor | |
80 | ||
81 | } | |
82 | ||
83 | ||
84 | //_____________________________________________________________________________ | |
85 | Bool_t AliZDCRawStream::Next() | |
86 | { | |
87 | // Read the next raw digit | |
88 | // Returns kFALSE if there is no digit left | |
89 | ||
90 | if(!fRawReader->ReadNextInt((UInt_t&) fRawADC)) return kFALSE; | |
91 | fIsADCDataWord = kFALSE; | |
92 | // | |
93 | // --- DARC header | |
94 | if((fRawADC == 0xe52b6300) || (fRawADC == 0xe52c0300) || (fRawADC == 0xffffffff) || | |
95 | (fRawADC == 0xdeadface) || (fRawADC == 0xdeadbeef)){ | |
96 | //printf(" This is a DARC header!!!\n"); | |
97 | } | |
98 | // --- End of data | |
99 | else if(fRawADC == 0xcafefade){ | |
100 | //printf(" End of data!\n"); | |
101 | } | |
102 | // --- ADC buffer | |
103 | else{ | |
104 | Bool_t firstADCHeader = kTRUE; | |
105 | // | |
106 | if((fRawADC & 0x6000000) == 0x6000000){ // Not valid datum BEFORE valid data! | |
107 | firstADCHeader = kFALSE; | |
108 | //printf(" AliZDCRawStream -> Not valid datum in ADC module!!! %d\n",fADCModule); | |
109 | } | |
110 | else if((fRawADC & 0x4000000) == 0x4000000){ // ADC EOB | |
111 | //printf(" AliZDCRawStream -> ADC %d End Of Block - Event no. %d\n\n",fADCModule, (fRawADC & 0xffffff)); | |
112 | fSector[0] = fSector[1] = 99; | |
113 | } | |
114 | else if((fRawADC & 0x2000000) == 0x2000000){ // ADC Header | |
115 | //printf(" fRawADC %x\n",fRawADC); | |
116 | // Reading the GEO address to determine ADC module | |
117 | fADCModule = (fRawADC & 0xf8000000) >> 27; | |
118 | fADCModule ++; | |
119 | // If the not valid datum isn't followed by the 1st ADC header | |
120 | // the event is corrupted (i.e., 2 gates arrived before trigger) | |
121 | if(fADCModule == 1) firstADCHeader = kTRUE; | |
122 | //if(fADCModule == 1) printf(" fADCModule %d, firstADCHeader %d\n",fADCModule,firstADCHeader); | |
123 | //printf(" AliZDCRawStream -> HEADER: ADC mod. %d contains %d data words \n",fADCModule,((fRawADC & 0x3f00) >> 8)); | |
124 | } | |
125 | else{ // ADC data word | |
126 | fIsADCDataWord = kTRUE; | |
127 | //printf(" fRawADC = %x firstADCHeader %d\n",fRawADC,firstADCHeader); | |
128 | // | |
129 | if(!(fRawADC & 0x1000) && !(fRawADC & 0x2000) && firstADCHeader){ // Valid ADC data | |
130 | fADCGain = (fRawADC & 0x10000) >> 16; | |
131 | fADCValue = (fRawADC & 0xfff); | |
132 | // | |
133 | fADCChannel = (fRawADC & 0x1e0000) >> 17; | |
134 | // | |
135 | // If raw data corresponds to an ADC ch. without physical signal | |
136 | // fsector[0] = fSector[1] = -1 | |
137 | for(Int_t i=0; i<2; i++)fSector[i] = -1; | |
138 | //if(fSector[0]!=-1) printf(" \t \t ADC Data Word: ADC ch. %d",fADCChannel); | |
139 | // | |
140 | if(fADCModule==1 || fADCModule==3){ //1st & 3rd ADC modules | |
141 | if(fADCChannel >= 0 && fADCChannel <= 4){ | |
142 | fSector[0] = 1; // ZN1 | |
143 | fSector[1] = fADCChannel; | |
144 | } | |
145 | else if(fADCChannel >= 8 && fADCChannel <= 12){ | |
146 | fSector[0] = 2; // ZP1 | |
147 | fSector[1] = fADCChannel-8; | |
148 | } | |
149 | else if(fADCChannel == 5 || fADCChannel == 13){ | |
150 | fSector[0] = 3; // ZEM 1,2 | |
151 | fSector[1] = ((fADCChannel-5)/8)+1; | |
152 | } | |
153 | } | |
154 | else if(fADCModule==2 || fADCModule==4){ //2nd & 4rth ADC modules | |
155 | if(fADCChannel >= 0 && fADCChannel <= 4){ | |
156 | fSector[0] = 4; // ZN2 | |
157 | fSector[1] = fADCChannel; | |
158 | } | |
159 | else if(fADCChannel >= 8 && fADCChannel <= 12){ | |
160 | fSector[0] = 5; // ZP2 | |
161 | fSector[1] = fADCChannel-8; | |
162 | } | |
163 | else if(fADCChannel == 5 || fADCChannel == 13){ | |
164 | fSector[0] = (fADCChannel-5)*3/8+1; // PM Ref 1,2 | |
165 | fSector[1] = 5; | |
166 | } | |
167 | } | |
168 | else{ | |
169 | AliWarning(" AliZDCRawStream -> No valid ADC module\n"); | |
170 | fRawReader->AddMajorErrorLog(kInvalidADCModule); | |
171 | } | |
172 | //printf(" ADC %d ch %d range %d -> det %d quad %d value %x\n", | |
173 | // fADCModule, fADCChannel, fADCGain, fSector[0], fSector[1], fADCValue);//Chiara debugging | |
174 | ||
175 | }// Valid ADC data | |
176 | else if(fRawADC & 0x1000){ | |
177 | //printf(" ADC %d ch %d range %d overflow\n",fADCModule, (fRawADC & 0x1e0000) >> 17, fADCGain); // Overflow | |
178 | } | |
179 | else if(fRawADC & 0x2000){ | |
180 | //printf(" ADC %d ch %d range %d underflow\n",fADCModule, (fRawADC & 0x1e0000) >> 17, fADCGain); // Underflow | |
181 | } | |
182 | }// ADC word | |
183 | }//Not DARC Header | |
184 | ||
185 | return kTRUE; | |
186 | } |