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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 | { | |
40 | // create an object to read ZDC raw digits | |
41 | ||
42 | fSector[0] = 1; | |
43 | fSector[1] = -1; | |
44 | fRawReader->Select(kDDLOffset / 0x100); | |
45 | } | |
46 | ||
47 | //_____________________________________________________________________________ | |
48 | AliZDCRawStream::AliZDCRawStream(const AliZDCRawStream& stream) : | |
49 | TObject(stream), | |
50 | fADCValue(-1) | |
51 | { | |
52 | // copy constructor | |
53 | ||
54 | Fatal("AliZDCRawStream", "copy constructor not implemented"); | |
55 | } | |
56 | ||
57 | //_____________________________________________________________________________ | |
58 | AliZDCRawStream& AliZDCRawStream::operator = (const AliZDCRawStream& | |
59 | /* stream */) | |
60 | { | |
61 | // assignment operator | |
62 | ||
63 | Fatal("operator =", "assignment operator not implemented"); | |
64 | return *this; | |
65 | } | |
66 | ||
67 | //_____________________________________________________________________________ | |
68 | AliZDCRawStream::~AliZDCRawStream() | |
69 | { | |
70 | // destructor | |
71 | ||
72 | } | |
73 | ||
74 | ||
75 | //_____________________________________________________________________________ | |
76 | Bool_t AliZDCRawStream::Next() | |
77 | { | |
78 | // read the next raw digit | |
79 | // returns kFALSE if there is no digit left | |
80 | ||
81 | if (!fRawReader->ReadNextInt((UInt_t&) fRawADC)) return kFALSE; | |
82 | fIsADCDataWord = kFALSE; | |
83 | ||
84 | //ADC Header | |
85 | if (fRawADC & 0x2000000) { | |
48642b09 | 86 | //printf("This is the ADC Header\n"); |
87 | //printf("%d data words will follow \n",2*((fRawADC & 0x3f00) >> 8)); | |
8309c1ab | 88 | } |
89 | //ADC EOB | |
90 | else if (fRawADC & 0x4000000) { | |
48642b09 | 91 | //printf("This is the ADC End Of Block\n"); |
92 | //printf("This was event number %d\n",(fRawADC & 0xffffff)); | |
93 | } | |
94 | else | |
8309c1ab | 95 | //ADC Data Words |
96 | { | |
48642b09 | 97 | //printf("This is an ADC Data Word\n"); |
98 | //printf("Channel %d range %d\n",(fRawADC & 0x1e0000) >> 17, (fRawADC & 0x10000) >> 16); | |
99 | //if(fRawADC & 0x1000) printf("Data = overflow\n"); | |
8309c1ab | 100 | fADCGain = (fRawADC & 0x10000) >> 16; |
101 | fADCValue = (fRawADC & 0xfff); | |
102 | fIsADCDataWord = kTRUE; | |
103 | ||
104 | Int_t ADCChannel = (fRawADC & 0x1e0000) >> 17; | |
105 | if (ADCChannel >= 0 && ADCChannel <= 4) { | |
106 | fSector[0] = 1; | |
107 | fSector[1] = ADCChannel; | |
108 | } else if (ADCChannel >= 8 && ADCChannel <= 12) { | |
109 | fSector[0] = 2; | |
110 | fSector[1] = ADCChannel-8; | |
111 | } else if (ADCChannel == 5 || ADCChannel == 13){ | |
112 | fSector[0] = 3; | |
113 | fSector[1] = (ADCChannel-5)/8; | |
114 | } | |
115 | } | |
116 | return kTRUE; | |
117 | } |