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8309c1ab | 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 | ||
32 | ClassImp(AliZDCRawStream) | |
33 | ||
34 | ||
35 | //_____________________________________________________________________________ | |
36 | AliZDCRawStream::AliZDCRawStream(AliRawReader* rawReader) : | |
37 | fRawReader(rawReader), | |
38 | fADCValue(-1) | |
39 | { | |
abf60186 | 40 | // Create an object to read ZDC raw digits |
8309c1ab | 41 | |
abf60186 | 42 | fSector[0] = 0; |
8309c1ab | 43 | fSector[1] = -1; |
abf60186 | 44 | fADCModule = 0; |
362c9d61 | 45 | fRawReader->Select("ZDC"); |
8309c1ab | 46 | } |
47 | ||
48 | //_____________________________________________________________________________ | |
49 | AliZDCRawStream::AliZDCRawStream(const AliZDCRawStream& stream) : | |
50 | TObject(stream), | |
51 | fADCValue(-1) | |
52 | { | |
abf60186 | 53 | // Copy constructor |
8309c1ab | 54 | Fatal("AliZDCRawStream", "copy constructor not implemented"); |
55 | } | |
56 | ||
57 | //_____________________________________________________________________________ | |
58 | AliZDCRawStream& AliZDCRawStream::operator = (const AliZDCRawStream& | |
59 | /* stream */) | |
60 | { | |
abf60186 | 61 | // Assignment operator |
8309c1ab | 62 | Fatal("operator =", "assignment operator not implemented"); |
63 | return *this; | |
64 | } | |
65 | ||
66 | //_____________________________________________________________________________ | |
67 | AliZDCRawStream::~AliZDCRawStream() | |
68 | { | |
abf60186 | 69 | // Destructor |
8309c1ab | 70 | |
71 | } | |
72 | ||
73 | ||
74 | //_____________________________________________________________________________ | |
75 | Bool_t AliZDCRawStream::Next() | |
76 | { | |
abf60186 | 77 | // Read the next raw digit |
78 | // Returns kFALSE if there is no digit left | |
8309c1ab | 79 | |
abf60186 | 80 | if(!fRawReader->ReadNextInt((UInt_t&) fRawADC)) return kFALSE; |
8309c1ab | 81 | fIsADCDataWord = kFALSE; |
82 | ||
83 | //ADC Header | |
abf60186 | 84 | if(fRawADC & 0x2000000){ |
85 | if(((fRawADC & 0x3f00) >> 8) == 24) fADCModule=1; //fRawADC=2001800 -> 24 words -> 1st ADC module | |
86 | else if(((fRawADC & 0x3f00) >> 8) == 20) fADCModule=2; //fRawADC=2001400 -> 20 words -> 2nd ADC module | |
87 | // | |
88 | //printf(" **** This is the ADC Header - %d data words will follow \n",((fRawADC & 0x3f00) >> 8)); | |
89 | //printf(" fRawADC = %x, fADCModule = %d\n",fRawADC, fADCModule); | |
90 | } | |
91 | else if((fRawADC & 0x4000000) || (fRawADC & 0x3000000)){ | |
92 | fSector[0] = 0; | |
93 | //ADC EOB | |
94 | /*if(fRawADC & 0x4000000){ | |
95 | printf(" **** This is the ADC End Of Block - event number %d\n",(fRawADC & 0xffffff)); | |
96 | }*/ | |
48642b09 | 97 | } |
8309c1ab | 98 | //ADC Data Words |
abf60186 | 99 | else{ |
100 | //printf("This is an ADC Data Word -> channel %d range %d\n",(fRawADC & 0x1e0000) >> 17, (fRawADC & 0x10000) >> 16); | |
31af5828 | 101 | if(fRawADC & 0x1000) printf("ZDCRawStream -> ADC overflow\n"); |
102 | if(fRawADC & 0x2000) printf("ZDCRawStream -> ADC underflow\n"); | |
abf60186 | 103 | // |
8309c1ab | 104 | fADCGain = (fRawADC & 0x10000) >> 16; |
105 | fADCValue = (fRawADC & 0xfff); | |
106 | fIsADCDataWord = kTRUE; | |
abf60186 | 107 | // |
8a2624cc | 108 | Int_t vADCChannel = (fRawADC & 0x1e0000) >> 17; |
abf60186 | 109 | if(fADCModule==1){ //1st ADC module |
110 | if(vADCChannel >= 0 && vADCChannel <= 4){ | |
111 | fSector[0] = 1; | |
112 | fSector[1] = vADCChannel; | |
113 | } | |
114 | else if(vADCChannel >= 8 && vADCChannel <= 12){ | |
115 | fSector[0] = 2; | |
116 | fSector[1] = vADCChannel-8; | |
117 | } | |
118 | else if(vADCChannel == 5 || vADCChannel == 13){ | |
119 | fSector[0] = 3; | |
97f8e77a | 120 | fSector[1] = ((vADCChannel-5)/8)+1; |
abf60186 | 121 | } |
122 | } | |
123 | else if(fADCModule==2){ //2nd ADC module | |
124 | if(vADCChannel >= 0 && vADCChannel <= 4){ | |
125 | fSector[0] = 4; | |
126 | fSector[1] = vADCChannel; | |
127 | } | |
128 | else if(vADCChannel >= 8 && vADCChannel <= 12){ | |
129 | fSector[0] = 5; | |
130 | fSector[1] = vADCChannel-8; | |
131 | } | |
8309c1ab | 132 | } |
abf60186 | 133 | else printf("\t AliZDCRawStreamer -> ERROR! No valid ADC module!\n"); |
134 | ||
8309c1ab | 135 | } |
136 | return kTRUE; | |
137 | } |