2 #include "AliTRDtestBeam.h"
4 #include "AliTRDRawStreamTB.h"
5 #include "AliRawReaderMemory.h"
10 #include <sys/types.h>
17 ClassImp(AliTRDtestBeam)
19 const Long_t AliTRDtestBeam::file_head_size = 544; // ?
20 const Long_t AliTRDtestBeam::event_head_size = 68; //?
21 const Long_t AliTRDtestBeam::ldc_head_size = 68; //?
22 const Long_t AliTRDtestBeam::equip_head_size = 28; //
23 const Int_t AliTRDtestBeam::vme_in =1; //VME event in
24 const Int_t AliTRDtestBeam::sim_in =1; //Si-strips in
29 const Int_t AliTRDtestBeam::pos_run = 20; //run nr. (in file and event header)
30 const Int_t AliTRDtestBeam::pos_length = 0; //event/equip. length
31 const Int_t AliTRDtestBeam::pos_eqid = 8; //equipment id.
32 const Int_t AliTRDtestBeam::pos_sioff = 12; //Si data size offset (3 extra words!!!)
36 //____________________________________________________________________________
37 AliTRDtestBeam::AliTRDtestBeam() :
57 //____________________________________________________________________________
58 AliTRDtestBeam::AliTRDtestBeam(const char *filename) :
77 fDataStream = new ifstream(filename, ifstream::in | ifstream::binary );
78 cout << fDataStream->is_open() << endl;
79 //fHeaderIsRead = kTRUE;
80 fHeaderIsRead = kTRUE;
82 fFileHeader = new Char_t[file_head_size];
83 fEventHeader = new Char_t[event_head_size];
84 fEventData = new Char_t[fLimit];
87 //____________________________________________________________________________
89 Int_t AliTRDtestBeam::NextEvent() {
91 Long_t data_size=0,ldc_off; //,ldc_id,ldc2_id;
92 Long_t ldc_size,eq_id; //,ev_l2;
93 Long_t event_nr,ev_l1;
96 if ( !fHeaderIsRead ) {
97 fDataStream->read(fFileHeader, file_head_size);
98 if(fDataStream->fail()) {
99 cerr << "Error reading file header! " << endl;
102 cout << " Run nr. " << Int(pos_run, fFileHeader) << endl;
106 fDataStream->read(fEventHeader, event_head_size);
107 if(fDataStream->fail()) {
108 cerr << "End of file, Event " << fEventCount << endl;
112 data_size = Int(pos_length, fEventHeader)-event_head_size; //?
113 event_nr = Int((4+pos_run), fEventHeader); //ev.nr.
114 //cout << " Event " << event_nr <<" size "<< data_size <<endl;
116 if (event_nr <= fEventCount-1) { //watch-out ...event counter starts at 1?
117 cout << fEventCount << " End of file?, Event " << fEventCount << endl;
120 //cout << "Run " << Int(pos_run, header)<< " , Event " <<event_nr <<endl;
122 // enough space for data?
123 if (fLimit < data_size) {
125 fEventData = new Char_t[data_size];
129 fDataStream->read(fEventData, data_size);
131 if(fDataStream->fail()) {
132 cerr << "End of file, Event " << fEventCount; // << endl;
136 //cout << " ...IDs (size) : ";
138 ldc_off=0; // size of data from one DDL link
140 for ( size_t k = 0; k < 2; k++ ) { // 2 LDCs (DDL & VME)
142 ldc_size = Int(ldc_off+pos_length, fEventData); //
143 //ldc_size1=(ldc_size-ldc_head_size);
144 eq_id = Int(ldc_off+ldc_head_size+pos_eqid, fEventData);
145 //cout << eq_id <<" ("<<ldc_size<<") ";
147 ev_l1 = Int((4+ldc_off+pos_run), fEventData); //ev.nr.
148 if ( ev_l1 != event_nr ){
149 //cerr << "Eq_id " <<eq_id<<" event nr. mismatch? " << event_nr <<" / "<< ev_l1 <<" ...LDC data size (header:68) " <<ldc_size<<endl;
152 if (eq_id == 1024) { //DDL data
153 fDdlOff = ldc_off; //+ldc_head_size+equip_head_size + 32;
157 if (eq_id == 550) { //Si-strip data (+QDC)
158 //cout << "550" << endl;
159 fSiOff=ldc_off+ldc_head_size+equip_head_size+pos_sioff;
160 word = Int(fSiOff, fEventData);
161 Short_t LenSi1 = (word >> 16) & 0xffff;
162 Short_t LenSi2 = word & 0xffff;
163 fQdcOff=fSiOff+4*(LenSi1+LenSi2+1)+equip_head_size+4;
165 else if (eq_id == 1182) { //QDC first...
166 //cout << "1182" << endl;
167 fQdcOff=ldc_off+ldc_head_size+equip_head_size+pos_sioff;
168 fSiOff=fQdcOff+equip_head_size+4;
176 //cout << "DDL = " << fDdlOff << endl;
177 // cout << "Si = " << fSiOff << endl;
178 //cout << "QDC = " << fQdcOff << endl;
182 fEventCount++; //event counter
185 //____________________________________________________________________________
186 Int_t AliTRDtestBeam::DecodeSi() {
188 if (fSiOff < 0) return 0;
190 // cout << "decoding Si data" << endl;
194 word=Int(fSiOff, fEventData);
195 fNSi1 = (word >> 16) & 0xffff;
196 fNSi2 = word & 0xffff;
199 for (int i = 0; i < fNSi1; i++) {
200 fSi1Address[i] = ( Int(cSi, fEventData) >> 12 ) & 0x7ff;
201 fSi1Charge[i] = Int(cSi, fEventData) & 0xfff;
205 for (int i = 0; i < fNSi2; i++) { //1,for Date!
206 fSi2Address[i] = ( Int(cSi, fEventData) >> 12 ) & 0x7ff;
207 fSi2Charge[i] = Int(cSi, fEventData) & 0xfff;
215 int qmaxX; int amaxX;
216 int qmaxY; int amaxY;
223 for( int i = 0; i < GetNSi1(); i++ ) {
225 if (fSi1Address[i] == 0) continue; // noise
227 if (fSi1Address[i] < LenSiX ) {
228 if( fSi1Charge[i] > qmaxX ) {
229 qmaxX = fSi1Charge[i];
230 amaxX = fSi1Address[i];
233 if( fSi1Charge[i] > qmaxY ) {
234 qmaxY = fSi1Charge[i];
235 amaxY = fSi1Address[i];
240 fX[0] = (float)(amaxX*0.05); // [mm]
241 fY[0] = (float)((amaxY-LenSiX)*0.05);
242 fQx[0] = (float)qmaxX;
243 fQy[0] = (float)qmaxY;
251 for( int i = 0; i < GetNSi2(); i++ ) {
253 if (fSi2Address[i] == 1279) continue; // noise
254 if (fSi2Address[i] == 0) continue; // noise
256 if(fSi2Address[i] < LenSiX) {
257 if( fSi2Charge[i] > qmaxX ) {
258 qmaxX = fSi2Charge[i];
259 amaxX = fSi2Address[i];
262 if( fSi2Charge[i] > qmaxY ) {
263 //if (fSi2Charge[i] > 50) cout << fSi2Charge[i] << " " << i << " " << fSi2Address[i] << endl;
264 qmaxY = fSi2Charge[i];
265 amaxY = fSi2Address[i];
270 fX[1] = (float)(amaxX*0.05); // [mm]
271 fY[1] = (float)((amaxY-LenSiX)*0.05);
272 fQx[1] = (float)qmaxX;
273 fQy[1] = (float)qmaxY;
275 if (fQdcOff < 0) return 0;
277 word=Int(fQdcOff, fEventData);
278 fPb = (Double_t)((word >> 16) & 0xFFF);
279 fCher = (Double_t)((word ) & 0xFFF);
281 //cout << fCher << " " << fPb << endl;
284 //____________________________________________________________________________
286 AliTRDRawStreamTB *AliTRDtestBeam::GetTRDrawStream() {
288 // needs AliTRDRawStreamTB
289 //cout << "Chamber reader:" << (Int_t)(fEventData+fDdlOff) << " " << fDdlSize << endl;
290 //int ifout = open("dump.dat", O_WRONLY | O_TRUNC | O_CREAT);
291 //write(ifout, (void*)(fEventData+fDdlOff+16), fDdlSize);
294 AliRawReaderMemory *reader = new AliRawReaderMemory((UChar_t*)(fEventData+fDdlOff), (UInt_t)fDdlSize);
295 reader->SetEquipmentID(1024);
296 reader->ReadHeader();
297 AliTRDRawStreamTB::RawBufferMissAligned(kTRUE);
298 AliTRDRawStreamTB::SupressWarnings(kTRUE);
300 AliTRDRawStreamTB *tb = new AliTRDRawStreamTB(reader);
306 AliRawReaderMemory *rmem = data->GetRawReader();
309 AliTRDRawStreamTB tb(rmem);
311 AliTRDRawStreamTB::SupressWarnings(kTRUE);
316 //____________________________________________________________________________
318 Int_t AliTRDtestBeam::Int(Int_t i, Char_t *start) {
323 char *q=(char*)(start+i);
324 char p[] = {q[3], q[2], q[1], q[0]};
326 } else return *((int*)(start+i));
329 //____________________________________________________________________________