1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
16 ///////////////////////////////////////////////////////////////////////////////
18 /// This is a class for reading the HMPID raw data
19 /// The format of the raw data corresponds to the one
20 /// which was documented by Paolo Martinengo.
22 ///////////////////////////////////////////////////////////////////////////////
24 #include "AliHMPIDRawStream.h"
25 #include "AliRawReader.h"
29 ClassImp(AliHMPIDRawStream)
31 //_____________________________________________________________________________
32 AliHMPIDRawStream::AliHMPIDRawStream(AliRawReader* rawReader) :
34 fRawReader(rawReader),
42 fRawReader->Select("HMPID");
44 //-----------------------------------------------------------------------------
45 AliHMPIDRawStream::AliHMPIDRawStream() :
54 //_____________________________________________________________________________
55 AliHMPIDRawStream::~AliHMPIDRawStream()
60 //_____________________________________________________________________________
61 void AliHMPIDRawStream::Init()
63 // Initalize the container
64 // with the pad charges
65 for(Int_t h = 0; h < kNDDL; h++) {
66 for(Int_t i = 0; i < kNRows; i++){
67 for(Int_t j = 0; j < kNDILOGICAdd; j++){
68 for(Int_t k = 0; k < kNPadAdd; k++){
69 fCharge[h][i][j][k] = -1;
77 for(Int_t l=1; l < kSumErr; l++) fNumOfErr[l]=0; //reset errors
79 //_____________________________________________________________________________
80 void AliHMPIDRawStream::Reset()
82 // reset raw stream params
83 // Reinitalize the containers
88 if (fRawReader) fRawReader->Reset();
90 //_____________________________________________________________________________
91 Bool_t AliHMPIDRawStream::Next()
93 // read next DDL raw data from the HMPID raw data stream
94 // return kFALSE in case of error or no data left
97 if (!fRawReader->ReadNextData(fData)) return kFALSE;
98 } while (fRawReader->GetDataSize() == 0);
102 Event type is selected as in $ALICE_ROOT/RAW/event.h
103 #define START_OF_RUN ((eventTypeType) 1)
104 #define END_OF_RUN ((eventTypeType) 2)
105 #define START_OF_RUN_FILES ((eventTypeType) 3)
106 #define END_OF_RUN_FILES ((eventTypeType) 4)
107 #define START_OF_BURST ((eventTypeType) 5)
108 #define END_OF_BURST ((eventTypeType) 6)
109 #define PHYSICS_EVENT ((eventTypeType) 7) <<---------------
110 #define CALIBRATION_EVENT ((eventTypeType) 8)
111 #define EVENT_FORMAT_ERROR ((eventTypeType) 9)
112 #define START_OF_DATA ((eventTypeType)10)
113 #define END_OF_DATA ((eventTypeType)11)
114 #define SYSTEM_SOFTWARE_TRIGGER_EVENT ((eventTypeType)12)
115 #define DETECTOR_SOFTWARE_TRIGGER_EVENT ((eventTypeType)13)
116 #define EVENT_TYPE_MIN 1
117 #define EVENT_TYPE_MAX 13
120 if(fRawReader->GetType() == 7) { //New: Select Physics events, Old: Raw data size is not 0 and not 47148 (pedestal)
122 fDDLNumber = fRawReader->GetDDLID();
128 for(Int_t iRow = 1; iRow <= kNRows; iRow++) {
129 UInt_t rowMarker = GetNextWord(); // Read row marker
131 Int_t numRows= rowMarker >> 16 & 0xffffff; // Number of words after the row marker
133 if ( numRows > 490 ) { //The row marker is fixed and we cannot have more than 490 words!!!
134 fRawReader->AddMajorErrorLog(kRowMarkerSizeErr);
135 AliWarning(Form("Wrong row marker size %x for row %d, value: %d expected < 490!",rowMarker,iRow,numRows));
136 fNumOfErr[kRowMarkerSizeErr]++;
138 }//check for row marker
140 if ((rowMarker >> 0 & 0xffff) != 0x32a8 ) { //The row marker is fixed and we cannot have more than 490 words!!!
141 fRawReader->AddMajorErrorLog(kRowMarkerErr);
142 AliWarning(Form("Wrong row marker %x for row %d, expected 0x32a8!",rowMarker,iRow));
143 fNumOfErr[kRowMarkerErr]++;
145 }//check for row marker
146 UInt_t dilogic = 0, row = 0;
149 //molnarl: lets read how many rows we have from the marker; 10 dilogic EoE so we can get the number of data words they should be in order
150 for(Int_t iWordInRow=0; iWordInRow<numRows;iWordInRow++) //loop over words
152 UInt_t tmpword=GetNextWord();
153 UInt_t eOfEvent = tmpword; // always assume that it is an EoE. If bit
154 if (!((eOfEvent >> 27) & 0x1)) { // if it is not EoE then data!
156 row = (data >> 22) & 0x1f; //row information in raw word is between bits: 22...26
157 if (row < 1 || row > kNRows) { //select bits from 22 and with 0x1f ask for the next 5 bits
158 fRawReader->AddMajorErrorLog(kWrongRowErr,Form("row %d",row));
159 AliWarning(Form("Wrong row index: %d, expected (1 -> %d)!",row,kNRows));
160 fNumOfErr[kWrongRowErr]++;
163 dilogic = (data >> 18) & 0xf; //dilogic info in raw word is between bits: 18...21
164 if (dilogic < 1 || dilogic > kNDILOGICAdd) {
165 fRawReader->AddMajorErrorLog(kWrongDilogicErr,Form("dil %d",dilogic));
166 AliWarning(Form("Wrong DILOGIC index: %d, expected (1 -> %d)!",dilogic,kNDILOGICAdd));
167 fNumOfErr[kWrongDilogicErr]++;
168 //dilogic = iDILOGIC;
170 UInt_t pad = (data >> 12) & 0x3f; //pad info in raw word is between bits: 12...17
171 if (pad >= kNPadAdd) {
172 fRawReader->AddMajorErrorLog(kWrongPadErr,Form("pad %d",pad));
173 AliWarning(Form("Wrong pad index: %d, expected (0 -> %d)!",pad,kNPadAdd));
174 fNumOfErr[kWrongPadErr]++;
177 fCharge[fDDLNumber][row][dilogic][pad] = data & 0xfff; cntData++;
182 if (!((eOfEvent >> 27) & 0x1)) { //check 27th bit in EoE. It must be 1!
183 fRawReader->AddMajorErrorLog(kEoEFlagErr);
184 AliWarning(Form("Missing end-of-event flag! (%x)",eOfEvent));
185 fNumOfErr[kEoEFlagErr]++;
188 UInt_t wc = eOfEvent & 0x7f;
190 fRawReader->AddMajorErrorLog(kEoESizeErr,Form("eoe size=%d",wc));
191 AliWarning(Form("Wrong end-of-event word-count: %d, expected: %d!",wc,cntData));
192 fNumOfErr[kEoESizeErr]++;
195 UInt_t da = (eOfEvent >> 18) & 0xf;
196 if (cntData!=0 && da != dilogic) {
197 fRawReader->AddMajorErrorLog(kEoEDILOGICErr,Form("eoe dil %d != %d",da,dilogic));
198 AliWarning(Form("Wrong DILOGIC address found in end-of-event: %d, expected %d!",da,dilogic));
199 fNumOfErr[kEoEDILOGICErr]++;
202 UInt_t ca = (eOfEvent >> 22) & 0x1f;
203 if (cntData!=0 && ca != row) {
204 fRawReader->AddMajorErrorLog(kEoERowErr,Form("eoe row %d != %d",ca,row));
205 AliWarning(Form("Wrong row index found in end-of-event: %d, expected %d!",ca,row));
206 fNumOfErr[kEoERowErr]++;
209 cntData=0; cntEoE++;//zero it and wait for new data words
212 } //loop over rows within two markers
216 // Read the segment marker
217 // One maker per 8 rows
220 UInt_t segWord = GetNextWord();
221 if ((segWord >> 8) != 0xab0f59) {
222 fRawReader->AddMajorErrorLog(kBadSegWordErr);
223 AliWarning(Form("Wrong segment word signature: %x, expected 0xab0f59!",(segWord >> 8)));
224 fNumOfErr[kBadSegWordErr]++;
228 if ((segWord & 0xff) != (((UInt_t)iRow + 7) / 8)) {
229 fRawReader->AddMajorErrorLog(kWrongSegErr,Form("seg %d != %d",segWord & 0xff,(iRow + 7) / 8));
230 AliWarning(Form("Segment index (%d) does not correspond to the one expected from row index (%d)!",segWord & 0xff,(iRow + 7) / 8));
231 fNumOfErr[kWrongSegErr]++;
236 }//REal data files selected by data lenght
242 //_____________________________________________________________________________
243 UInt_t AliHMPIDRawStream::GetNextWord()
245 // This method returns the next 32 bit word
246 // inside the raw data payload.
247 // The method is supposed to be endian (platform)
249 if (!fData || fPosition < 0) AliFatal("Raw data payload buffer is not yet initialized !");
252 word |= fData[fPosition++];
253 word |= fData[fPosition++] << 8;
254 word |= fData[fPosition++] << 16;
255 word |= fData[fPosition++] << 24;
260 //_____________________________________________________________________________