+ // this depends on the hardware revision of the SMU
+
+ Int_t sector = fCurrEquipmentId-kDDLOffset;
+
+ if ((sector < 0) || (sector > 17)) {
+ AliError(Form("Invalid sector %i for GTU tracks", sector));
+ return -1;
+ }
+
+ AliDebug(1, DumpRaw(Form("GTU tracks in sector %2i (hw rev %i)", sector, fCurrHwRev),
+ fPayloadCurr + 4, 10, 0xffe0ffff));
+
+ fCurrTrgFlags[sector] = 0;
+
+ if (fCurrHwRev < 1772) {
+ UInt_t fastWord; // fast trigger word
+ ULong64_t trackWord = 0; // extended track word
+ Int_t stack = 0;
+ Int_t idx = 0;
+ for (UInt_t iWord = 4; iWord < fCurrSmHeaderSize; iWord++) {
+ if (fPayloadCurr[iWord] == 0x10000000) { // stack boundary marker
+ stack++;
+ idx = 0;
+ }
+ else {
+ if ((idx == 0) &&
+ ((fPayloadCurr[iWord] & 0xfffff0f0) == 0x13370000)) {
+ fastWord = fPayloadCurr[iWord];
+ fCurrTrgFlags[sector] |= 1 << (stack+11); // assume tracking done if fast word sent
+ AliDebug(1, Form("stack %i: fast trigger word: 0x%08x", stack, fastWord));
+ continue;
+ }
+ else if ((idx & 0x1) == 0x1) {
+ trackWord |= ((ULong64_t) fPayloadCurr[iWord]) << 32;
+ AliDebug(1,Form("track debug word: 0x%016llx", trackWord));
+ if (fTracks) {
+ AliESDTrdTrack *trk = new ((*fTracks)[fTracks->GetEntriesFast()])
+ AliESDTrdTrack();
+
+ trk->SetSector(sector);
+ trk->SetStack((trackWord >> 60) & 0x7);
+ trk->SetA(0);
+ trk->SetB(0);
+ trk->SetPID(0);
+ trk->SetLayerMask((trackWord >> 16) & 0x3f);
+ trk->SetTrackletIndex((trackWord >> 22) & 0x3f, 0);
+ trk->SetTrackletIndex((trackWord >> 28) & 0x3f, 1);
+ trk->SetTrackletIndex((trackWord >> 34) & 0x3f, 2);
+ trk->SetTrackletIndex((trackWord >> 40) & 0x3f, 3);
+ trk->SetTrackletIndex((trackWord >> 46) & 0x3f, 4);
+ trk->SetTrackletIndex((trackWord >> 52) & 0x3f, 5);
+
+ trk->SetFlags(0);
+ trk->SetReserved(0);
+ trk->SetLabel(-3);
+
+ Float_t pt = (((Int_t) (trackWord & 0xffff) ^ 0x8000) - 0x8000)/128.;
+ if (TMath::Abs(pt) > 0.1) {
+ trk->SetA((Int_t) (0.15*51625./100./pt / 160e-4 * 2));
+ }
+ }
+ }
+ else {
+ trackWord = fPayloadCurr[iWord];
+ }
+ idx++;
+ }
+ }
+ }
+ else if (fCurrHwRev < 1804) {
+ UInt_t fastWord; // fast trigger word
+ ULong64_t trackWord = 0; // extended track word
+ Int_t stack = 0;
+ Int_t idx = 0;
+ for (UInt_t iWord = 4; iWord < fCurrSmHeaderSize; iWord++) {
+ if (fPayloadCurr[iWord] == 0xffe0ffff) { // stack boundary marker
+ stack++;
+ idx = 0;
+ }
+ else {
+ if ((idx == 0) &&
+ ((fPayloadCurr[iWord] & 0xfffff0f0) == 0x13370000)) {
+ fastWord = fPayloadCurr[iWord];
+ fCurrTrgFlags[sector] |= 1 << (stack+11); // assume tracking done if fast word sent
+ AliDebug(1, Form("stack %i: fast trigger word: 0x%08x", stack, fastWord));
+ continue;
+ }
+ else if ((idx & 0x1) == 0x1) {
+ trackWord |= ((ULong64_t) fPayloadCurr[iWord]) << 32;
+ AliDebug(1, Form("track debug word: 0x%016llx", trackWord));
+ if (fTracks) {
+ AliESDTrdTrack *trk = new ((*fTracks)[fTracks->GetEntriesFast()])
+ AliESDTrdTrack();
+
+ trk->SetSector(fCurrEquipmentId-kDDLOffset);
+ trk->SetStack((trackWord >> 60) & 0x7);
+ trk->SetA(0);
+ trk->SetB(0);
+ trk->SetPID(0);
+ trk->SetLayerMask((trackWord >> 16) & 0x3f);
+ trk->SetTrackletIndex((trackWord >> 22) & 0x3f, 0);
+ trk->SetTrackletIndex((trackWord >> 28) & 0x3f, 1);
+ trk->SetTrackletIndex((trackWord >> 34) & 0x3f, 2);
+ trk->SetTrackletIndex((trackWord >> 40) & 0x3f, 3);
+ trk->SetTrackletIndex((trackWord >> 46) & 0x3f, 4);
+ trk->SetTrackletIndex((trackWord >> 52) & 0x3f, 5);
+
+ trk->SetFlags(0);
+ trk->SetReserved(0);
+ trk->SetLabel(-3);
+
+ Float_t pt = (((Int_t) (trackWord & 0xffff) ^ 0x8000) - 0x8000)/128.;
+ if (TMath::Abs(pt) > 0.1) {
+ trk->SetA((Int_t) (-0.15*51625./100./pt / 160e-4 * 2));
+ }
+ }
+ }
+ else {
+ trackWord = fPayloadCurr[iWord];
+ }
+ idx++;
+ }
+ }
+ }
+ else if (fCurrHwRev < 1819) {
+ UInt_t fastWord; // fast trigger word
+ ULong64_t trackWord = 0; // extended track word
+ Int_t stack = 0;
+ Int_t idx = 0;
+ for (UInt_t iWord = 4; iWord < fCurrSmHeaderSize; iWord++) {
+ if (fPayloadCurr[iWord] == 0xffe0ffff) { // stack boundary marker
+ stack++;
+ idx = 0;
+ }
+ else {
+ if ((idx == 0) &&
+ ((fPayloadCurr[iWord] & 0xfffff0f0) == 0x13370000)) {
+ fastWord = fPayloadCurr[iWord];
+ if (fastWord & (1 << 13))
+ fCurrTrgFlags[sector] |= 1 << (stack+11);
+ AliDebug(1, Form("stack %i: fast trigger word: 0x%08x", stack, fastWord));
+ continue;
+ }
+ else if ((idx & 0x1) == 0x1) {
+ trackWord |= ((ULong64_t) fPayloadCurr[iWord]) << 32;
+ AliDebug(1, Form("track debug word: 0x%016llx", trackWord));
+
+ if (fTracks) {
+ AliESDTrdTrack *trk = new ((*fTracks)[fTracks->GetEntriesFast()])
+ AliESDTrdTrack();
+
+ trk->SetSector(fCurrEquipmentId-kDDLOffset);
+ trk->SetStack((trackWord >> 60) & 0x7);
+ trk->SetA(0);
+ trk->SetB(0);
+ // trk->SetPt(((trackWord & 0xffff) ^ 0x8000) - 0x8000);
+ trk->SetPID(0);
+ trk->SetLayerMask((trackWord >> 16) & 0x3f);
+ trk->SetTrackletIndex((trackWord >> 22) & 0x3f, 0);
+ trk->SetTrackletIndex((trackWord >> 28) & 0x3f, 1);
+ trk->SetTrackletIndex((trackWord >> 34) & 0x3f, 2);
+ trk->SetTrackletIndex((trackWord >> 40) & 0x3f, 3);
+ trk->SetTrackletIndex((trackWord >> 46) & 0x3f, 4);
+ trk->SetTrackletIndex((trackWord >> 52) & 0x3f, 5);
+
+ trk->SetFlags(0);
+ trk->SetReserved(0);
+ trk->SetLabel(-3);
+
+ Float_t pt = (((Int_t) (trackWord & 0xffff) ^ 0x8000) - 0x8000)/128.;
+ if (TMath::Abs(pt) > 0.1) {
+ trk->SetA((Int_t) (0.15*51625./100./trk->Pt() / 160e-4 * 2));
+ }
+ }
+ }
+ else {
+ trackWord = fPayloadCurr[iWord];
+ }
+ idx++;
+ }
+ }
+ }
+ else if (fCurrHwRev < 1860) {
+ UInt_t fastWord; // fast trigger word
+ ULong64_t trackWord = 0; // extended track word
+ Int_t stack = 0;
+ Int_t idx = 0;
+ Bool_t upperWord = kFALSE;
+ Int_t word = 0;
+ for (UInt_t iWord = 4; iWord < fCurrSmHeaderSize; iWord++) {
+ if (fPayloadCurr[iWord] == 0xffe0ffff) { // stack boundary marker
+ stack++;
+ idx = 0;
+ upperWord = kFALSE;
+ }
+ else {
+ // assemble the 32-bit words out of 16-bit blocks
+ if (upperWord) {
+ word |= (fPayloadCurr[iWord] & 0xffff0000);
+ upperWord = kFALSE;
+ }
+ else {
+ // lower word is read first
+ word = (fPayloadCurr[iWord] & 0xffff0000) >> 16;
+ upperWord = kTRUE;
+ continue;
+ }
+
+ if ((word & 0xffff0008) == 0x13370008) {
+ fastWord = word;
+ AliDebug(1, Form("stack %i: fast track word: 0x%08x", stack, fastWord));
+ if (fastWord & (1 << 13))
+ fCurrTrgFlags[sector] |= 1 << (stack+11);
+ continue;
+ }
+ else if ((idx & 0x1) == 0x1) {
+ trackWord |= ((ULong64_t) word) << 32;
+ AliDebug(1, Form("track debug word: 0x%016llx", trackWord));
+ if (fTracks) {
+ AliESDTrdTrack *trk = new ((*fTracks)[fTracks->GetEntriesFast()])
+ AliESDTrdTrack();
+
+ trk->SetSector(fCurrEquipmentId-kDDLOffset);
+ trk->SetStack((trackWord >> 60) & 0x7);
+ trk->SetA(0);
+ trk->SetB(0);
+ trk->SetPID(0);
+ trk->SetLayerMask((trackWord >> 16) & 0x3f);
+ trk->SetTrackletIndex((trackWord >> 22) & 0x3f, 0);
+ trk->SetTrackletIndex((trackWord >> 28) & 0x3f, 1);
+ trk->SetTrackletIndex((trackWord >> 34) & 0x3f, 2);
+ trk->SetTrackletIndex((trackWord >> 40) & 0x3f, 3);
+ trk->SetTrackletIndex((trackWord >> 46) & 0x3f, 4);
+ trk->SetTrackletIndex((trackWord >> 52) & 0x3f, 5);
+
+ trk->SetFlags(0);
+ trk->SetReserved(0);
+ trk->SetLabel(-3);
+
+ Float_t pt = (((Int_t) (trackWord & 0xffff) ^ 0x8000) - 0x8000)/128.;
+ if (TMath::Abs(pt) > 0.1) {
+ trk->SetA((Int_t) (0.15*51625./100./pt / 160e-4 * 2));
+ }
+ }
+ }
+ else {
+ trackWord = word;
+ }
+ idx++;
+ }
+ }
+
+ }
+ else {
+ ULong64_t trackWord = 0; // this is the debug word
+ Int_t stack = 0;
+ Int_t idx = 0;
+ Bool_t upperWord = kFALSE;
+ Int_t word = 0;
+ for (UInt_t iWord = 4; iWord < fCurrSmHeaderSize; iWord++) {
+ if (fPayloadCurr[iWord] == 0xffe0ffff) {
+ stack++;
+ idx = 0;
+ upperWord = kFALSE;
+ }
+ else {
+ // assemble the 32-bit words out of 16-bit blocks
+ if (upperWord) {
+ word |= (fPayloadCurr[iWord] & 0xffff0000);
+ upperWord = kFALSE;
+ }
+ else {
+ // lower word is read first
+ word = (fPayloadCurr[iWord] & 0xffff0000) >> 16;
+ upperWord = kTRUE;
+ continue;
+ }
+
+ if ((word & 0xffff0008) == 0x13370008) {
+ AliDebug(1, Form("stack %i: fast track word: 0x%08x", stack, word));
+ continue;
+ }
+ else if ((word & 0xffff0010) == 0x13370010) {
+ AliDebug(1, Form("stack %i: tracking done word: 0x%08x", stack, word));
+ fCurrTrgFlags[sector] |= 1 << (stack+11);
+ continue;
+ }
+ else if ((idx & 0x1) == 0x1) {
+ trackWord |= ((ULong64_t) word) << 32;
+ AliDebug(1, Form("track debug word: 0x%16llx", trackWord));
+ if (fTracks) {
+ AliESDTrdTrack *trk = new ((*fTracks)[fTracks->GetEntriesFast()])
+ AliESDTrdTrack();
+ trk->SetSector(fCurrEquipmentId-kDDLOffset);
+ trk->SetStack((trackWord >> 60) & 0x7);
+ trk->SetA(0);
+ trk->SetB(0);
+ trk->SetPID(0);
+ trk->SetLayerMask((trackWord >> 16) & 0x3f);
+ trk->SetTrackletIndex((trackWord >> 22) & 0x3f, 0);
+ trk->SetTrackletIndex((trackWord >> 28) & 0x3f, 1);
+ trk->SetTrackletIndex((trackWord >> 34) & 0x3f, 2);
+ trk->SetTrackletIndex((trackWord >> 40) & 0x3f, 3);
+ trk->SetTrackletIndex((trackWord >> 46) & 0x3f, 4);
+ trk->SetTrackletIndex((trackWord >> 52) & 0x3f, 5);
+
+ trk->SetFlags(0);
+ trk->SetReserved(0);
+ trk->SetLabel(-3);
+
+ Float_t pt = (((Int_t) (trackWord & 0xffff) ^ 0x8000) - 0x8000)/128.;
+ if (TMath::Abs(pt) > 0.1) {
+ trk->SetA(-(Int_t) (0.15*51625./100./pt / 160e-4 * 2));
+ }
+ }
+ }
+ else {
+ trackWord = word;
+ }
+ idx++;
+ }
+ }
+ }
+ return 0;
+}
+
+Int_t AliTRDrawStream::ReadTrackingHeader(Int_t stack)
+{
+ // read the tracking information and store it for the given stack
+
+ // index word
+
+ fCurrTrkHeaderIndexWord[stack] = *fPayloadCurr;
+ fCurrTrkHeaderSize[stack] = ((*fPayloadCurr) >> 16) & 0x3ff;
+
+ AliDebug(1, Form("tracking header index word: 0x%08x, size: %i (hw rev: %i)",
+ fCurrTrkHeaderIndexWord[stack], fCurrTrkHeaderSize[stack], fCurrHwRev));
+ Int_t trackingTime = *fPayloadCurr & 0x3ff;
+
+ fCurrTrgFlags[fCurrEquipmentId-kDDLOffset] |= ((fCurrTrkHeaderIndexWord[stack] >> 10) & 0x1) << (22 + stack);
+ fPayloadCurr++;
+
+ // data words
+ ULong64_t trackWord = 0;