[u/mrichter/AliRoot.git] / ITS / AliITSRawStreamSPD.cxx

/**************************************************************************
 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 *                                                                        *
 * Author: The ALICE Off-line Project.                                    *
 * Contributors are mentioned in the code where appropriate.              *
 *                                                                        *
 * Permission to use, copy, modify and distribute this software and its   *
 * documentation strictly for non-commercial purposes is hereby granted   *
 * without fee, provided that the above copyright notice appears in all   *
 * copies and that both the copyright notice and this permission notice   *
 * appear in the supporting documentation. The authors make no claims     *
 * about the suitability of this software for any purpose. It is          *
 * provided "as is" without express or implied warranty.                  *
 **************************************************************************/

/* $Id$ */

///////////////////////////////////////////////////////////////////////////////
///
/// This class provides access to ITS SPD digits in raw data.
///
///////////////////////////////////////////////////////////////////////////////

#include "AliITSRawStreamSPD.h"
#include "AliRawReader.h"
#include "AliLog.h"

ClassImp(AliITSRawStreamSPD)


  // this map has to change, waiting for the new geometry
const Int_t AliITSRawStreamSPD::fgkDDLModuleMap[kDDLsNumber][kModulesPerDDL] = {
  { 0, 1, 4, 5, 80, 81, 84, 85, 88, 89, 92, 93},
  { 8, 9,12,13, 96, 97,100,101,104,105,108,109},
  {16,17,20,21,112,113,116,117,120,121,124,125},
  {24,25,28,29,128,129,132,133,136,137,140,141},
  {32,33,36,37,144,145,148,149,152,153,156,157},
  {40,41,44,45,160,161,164,165,168,169,172,173},
  {48,49,52,53,176,177,180,181,184,185,188,189},
  {56,57,60,61,192,193,196,197,200,201,204,205},
  {64,65,68,69,208,209,212,213,216,217,220,221},
  {72,73,76,77,224,225,228,229,232,233,236,237},
  { 2, 3, 6, 7, 82, 83, 86, 87, 90, 91, 94, 95},
  {10,11,14,15, 98, 99,102,103,106,107,110,111},
  {18,19,22,23,114,115,118,119,122,123,126,127},
  {26,27,30,31,130,131,134,135,138,139,142,143},
  {34,35,38,39,146,147,150,151,154,155,158,159},
  {42,43,46,47,162,163,166,167,170,171,174,175},
  {50,51,54,55,178,179,182,183,186,187,190,191},
  {58,59,62,63,194,195,198,199,202,203,206,207},
  {66,67,70,71,210,211,214,215,218,219,222,223},
  {74,75,78,79,226,227,230,231,234,235,238,239}
};


AliITSRawStreamSPD::AliITSRawStreamSPD(AliRawReader* rawReader) :
  AliITSRawStream(rawReader),
  fEventNumber(-1),fChipAddr(0),fHalfStaveNr(0),fCol(0),fRow(0),
  fData(0),fOffset(0),fHitCount(0),
  fDataChar1(0),fDataChar2(0),fDataChar3(0),fDataChar4(0),
  fFirstWord(kTRUE),fPrevEventId(0xffffffff)
{
  // create an object to read ITS SPD raw digits
  fRawReader->Select("ITSSPD");
  // reset calib header words
  for (UInt_t iword=0; iword<kCalHeadLenMax; iword++) {
    fCalHeadWord[iword]=0xffffffff;
  }
  NewEvent();
}

Bool_t AliITSRawStreamSPD::ReadNextShort() 
{
  // read next 16 bit word into fData
  if (fFirstWord) {
    Bool_t b1 = fRawReader->ReadNextChar(fDataChar1);
    if (!b1) return kFALSE;
    Bool_t  b2, b3, b4;
    b2 = fRawReader->ReadNextChar(fDataChar2);
    b3 = fRawReader->ReadNextChar(fDataChar3);
    b4 = fRawReader->ReadNextChar(fDataChar4);
    if (!(b2 && b3 && b4)) {
      return kFALSE;
    }
    fData = fDataChar3+(fDataChar4<<8);
    if ((*fRawReader->GetEventId())!=fPrevEventId) { // if new event...
      NewEvent();
      fPrevEventId=(*fRawReader->GetEventId());
    }
    fFirstWord=kFALSE;
  }
  else {
    fFirstWord=kTRUE;
    fData = fDataChar1+(fDataChar2<<8);
  }

  return kTRUE;
}

Bool_t AliITSRawStreamSPD::ReadNextInt() 
{
  // reads next 32 bit into fDataChar1..4 
  // (if first 16 bits read already, just completes the present word)
  if (fFirstWord) {
    if (ReadNextShort() && ReadNextShort()) {
      return kTRUE;
    }
  }
  else {
    if (ReadNextShort()) {
      return kTRUE;
    }
  }
  return kFALSE;
}

void AliITSRawStreamSPD::NewEvent()
{
  // call this to reset flags for a new event
  for (UInt_t eqId=0; eqId<20; eqId++) {
    fCalHeadRead[eqId]=kFALSE;
  }
  fEventNumber=-1;
}

Bool_t AliITSRawStreamSPD::ReadCalibHeader()
{
  // read the extra calibration header
  // returns kTRUE if the header is present and has length > 0

  Int_t ddlID = fRawReader->GetDDLID();
  if (ddlID==-1) { // we may need to read one word to get the blockAttr
    if (!ReadNextShort()) return kFALSE;
    ddlID = fRawReader->GetDDLID();
  }
  UChar_t attr = fRawReader->GetBlockAttributes();
  if (ddlID>=0 && ddlID<20) fCalHeadRead[ddlID]=kTRUE;
  if ((attr & 0x40) == 0x40) { // is the header present?
    if (ReadNextInt()) {
      // length of cal header:
      UInt_t calLen = fDataChar1+(fDataChar2<<8)+(fDataChar3<<16)+(fDataChar4<<24);
      if (calLen>kCalHeadLenMax) {
	fRawReader->AddMajorErrorLog(kCalHeaderLengthErr,Form("Header length %d > max = %d",calLen,kCalHeadLenMax));
	AliWarning(Form("Header length problem. %d > %d (max)",calLen,kCalHeadLenMax));
	return kFALSE;
      }
      else if (calLen>0) {
	for (UInt_t iword=0; iword<calLen; iword++) {
	  if (ReadNextInt()) {
	    fCalHeadWord[iword] = fDataChar1+(fDataChar2<<8)+(fDataChar3<<16)+(fDataChar4<<24);
	  }
	  else {
	    fRawReader->AddMajorErrorLog(kCalHeaderLengthErr,"header length problem");
	    AliWarning("header length problem");
	    return kFALSE;
	  }
	}
	return kTRUE;
      }
    }
  }

  return kFALSE;
}

Bool_t AliITSRawStreamSPD::Next()
{
// read the next raw digit
// returns kFALSE if there is no digit left

  Int_t ddlID=-1;
  fPrevModuleID = fModuleID;

  while (ReadNextShort()) {

    ddlID = fRawReader->GetDDLID();
    if (ddlID>=0 && ddlID<20) {
      if (!fCalHeadRead[ddlID]) {
	ReadCalibHeader();
      }
    }
    else {
      fRawReader->AddMajorErrorLog(kDDLNumberErr,Form("Wrong DDL number %d",ddlID)); 
      AliWarning(Form("DDL number error (= %d) , setting it to 19", ddlID));
      ddlID=19;
    }

    if ((fData & 0xC000) == 0x4000) {         // header
      fHitCount = 0;
      UShort_t eventNumber = (fData >> 4) & 0x007F;
      if (fEventNumber < 0) {
	fEventNumber = eventNumber;
      } 
      else if (eventNumber != fEventNumber) {
	fRawReader->AddMajorErrorLog(kEventNumberErr,Form("Reading event number %d instead of %d",eventNumber,fEventNumber));
	AliWarning(Form("mismatching event numbers: %d != %d",eventNumber, fEventNumber));
      }
      fChipAddr = fData & 0x000F;
      if (fChipAddr>9) {
	fRawReader->AddMajorErrorLog(kChipAddrErr,Form("Overflow chip address %d - set to 9",fChipAddr));
	AliWarning(Form("overflow chip addr (= %d) , setting it to 9", fChipAddr));
	fChipAddr=9;
      }
      fHalfStaveNr = (fData & 0x3800)>>11;
      if (fHalfStaveNr>5 || fRawReader->TestBlockAttribute(fHalfStaveNr)) {
	fRawReader->AddMajorErrorLog(kStaveNumberErr,Form("Half stave number error %d - set to 5",fHalfStaveNr));
	AliWarning(Form("half stave number error(=%d) , setting it to 5", fHalfStaveNr));
	fHalfStaveNr=5;
      }
      // translate  ("online") ddl, hs, chip nr  to  ("offline") module id :
      fModuleID = fgkDDLModuleMap[ddlID][fHalfStaveNr*2+fChipAddr/5];
      fOffset = 32 * (fChipAddr % 5);
    } 
    else if ((fData & 0xC000) == 0x0000) {    // trailer
      UShort_t hitCount = fData & 0x1FFF;
      if (hitCount != fHitCount){
	fRawReader->AddMajorErrorLog(kNumbHitsErr,Form("Number of hits %d instead of %d",hitCount,fHitCount));
	AliWarning(Form("wrong number of hits: %d != %d", fHitCount, hitCount));
      }
    }
    else if ((fData & 0xC000) == 0x8000) {    // pixel hit
      fHitCount++;
      fCol = (fData & 0x001F);
      fRow = (fData >> 5) & 0x00FF;

      // translate  ("online") chipcol, chiprow  to  ("offline") col (coord1), row (coord2): 
      // This will change, waiting for new geometry!!!
      fCoord1 = fCol;
      //      if      (fModuleID < 80 && ddlID < 10) fCoord1=31-fCoord1;
      //      else if (fModuleID >=80 && ddlID >=10) fCoord1=31-fCoord1;
      fCoord1 += fOffset;
      //      if (ddlID>=10) fCoord1=159-fCoord1;
      fCoord2 = fRow;
      //      if (fModuleID<80) fCoord2=255-fCoord2;

      return kTRUE;
    } 
    else {                                    // fill word
      if ((fData & 0xC000) != 0xC000) {
	fRawReader->AddMajorErrorLog(kWrongWordErr,"Wrong fill word");
	AliWarning("wrong fill word!");
      }
    }

  }

  return kFALSE;
}
Bool_t AliITSRawStreamSPD::GetHalfStavePresent(UInt_t hs) {
  // Reads the half stave present status from the block attributes
  Int_t ddlID = fRawReader->GetDDLID();
  if (ddlID==-1) {
    fRawReader->AddMinorErrorLog(kHalfStaveStatusErr,"DDL ID = -1. Cannot read block attributes.");
    AliWarning("DDL ID = -1. Cannot read block attributes. Return kFALSE.");
    return kFALSE;
  }
  else {
    if (hs>=6) {
      fRawReader->AddMinorErrorLog(kHalfStaveStatusErr,Form( "HS >= 6 requested (%d). Return kFALSE.",hs));
      AliWarning(Form("HS >= 6 requested (%d). Return kFALSE.",hs));
      return kFALSE;
    }
    UChar_t attr = fRawReader->GetBlockAttributes();
    if (((attr>>hs) & 0x01) == 0x01) { // bit set means not present
      return kFALSE;
    }
    else {
      return kTRUE;
    }
  }
}

Bool_t AliITSRawStreamSPD::GetHhalfStaveScanned(UInt_t hs) const {
  if (hs<6) return (Bool_t)((fCalHeadWord[0]>>(6+hs)) & (0x00000001));
  else return kFALSE;
}
Bool_t AliITSRawStreamSPD::GetHchipPresent(UInt_t hs, UInt_t chip) const {
  if (hs<6 && chip<10) return ((( fCalHeadWord[hs/3+3]>>((hs%3)*10+chip)) & 0x00000001) == 1);
  else return kFALSE;
}
UInt_t AliITSRawStreamSPD::GetHdacHigh(UInt_t hs) const {
  if (hs<6) return (fCalHeadWord[hs/2+7]>>(24-16*(hs%2)) & 0x000000ff);
  else return 0;
}
UInt_t AliITSRawStreamSPD::GetHdacLow(UInt_t hs) const {
  if (hs<6) return (fCalHeadWord[hs/2+7]>>(16-16*(hs%2)) & 0x000000ff);
  else return 0;
}
UInt_t AliITSRawStreamSPD::GetHTPAmp(UInt_t hs) const {
  if (hs<6) return fCalHeadWord[hs+10];
  else return 0;
}
Commit	Line	Data
2906f4c2	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 ITS SPD digits in raw data.
	21	///
	22	///////////////////////////////////////////////////////////////////////////////
	23
	24	#include "AliITSRawStreamSPD.h"
	25	#include "AliRawReader.h"
d9edae7b	26	#include "AliLog.h"
2906f4c2	27
	28	ClassImp(AliITSRawStreamSPD)
	29
	30
c42b9ed0	31	// this map has to change, waiting for the new geometry
2906f4c2	32	const Int_t AliITSRawStreamSPD::fgkDDLModuleMap[kDDLsNumber][kModulesPerDDL] = {
2906f4c2	33	{ 0, 1, 4, 5, 80, 81, 84, 85, 88, 89, 92, 93},
2906f4c2	34	{ 8, 9,12,13, 96, 97,100,101,104,105,108,109},
2906f4c2	35	{16,17,20,21,112,113,116,117,120,121,124,125},
2906f4c2	36	{24,25,28,29,128,129,132,133,136,137,140,141},
2906f4c2	37	{32,33,36,37,144,145,148,149,152,153,156,157},
2906f4c2	38	{40,41,44,45,160,161,164,165,168,169,172,173},
2906f4c2	39	{48,49,52,53,176,177,180,181,184,185,188,189},
2906f4c2	40	{56,57,60,61,192,193,196,197,200,201,204,205},
2906f4c2	41	{64,65,68,69,208,209,212,213,216,217,220,221},
2906f4c2	42	{72,73,76,77,224,225,228,229,232,233,236,237},
72600597	43	{ 2, 3, 6, 7, 82, 83, 86, 87, 90, 91, 94, 95},
	44	{10,11,14,15, 98, 99,102,103,106,107,110,111},
	45	{18,19,22,23,114,115,118,119,122,123,126,127},
	46	{26,27,30,31,130,131,134,135,138,139,142,143},
	47	{34,35,38,39,146,147,150,151,154,155,158,159},
	48	{42,43,46,47,162,163,166,167,170,171,174,175},
	49	{50,51,54,55,178,179,182,183,186,187,190,191},
	50	{58,59,62,63,194,195,198,199,202,203,206,207},
	51	{66,67,70,71,210,211,214,215,218,219,222,223},
2906f4c2	52	{74,75,78,79,226,227,230,231,234,235,238,239}
	53	};
	54
	55
	56	AliITSRawStreamSPD::AliITSRawStreamSPD(AliRawReader* rawReader) :
	57	AliITSRawStream(rawReader),
d9edae7b	58	fEventNumber(-1),fChipAddr(0),fHalfStaveNr(0),fCol(0),fRow(0),
c42b9ed0	59	fData(0),fOffset(0),fHitCount(0),
	60	fDataChar1(0),fDataChar2(0),fDataChar3(0),fDataChar4(0),
	61	fFirstWord(kTRUE),fPrevEventId(0xffffffff)
2906f4c2	62	{
c42b9ed0	63	// create an object to read ITS SPD raw digits
362c9d61	64	fRawReader->Select("ITSSPD");
c42b9ed0	65	// reset calib header words
	66	for (UInt_t iword=0; iword<kCalHeadLenMax; iword++) {
	67	fCalHeadWord[iword]=0xffffffff;
	68	}
	69	NewEvent();
2906f4c2	70	}
2906f4c2	71
72600597	72	Bool_t AliITSRawStreamSPD::ReadNextShort()
72600597	73	{
c42b9ed0	74	// read next 16 bit word into fData
72600597	75	if (fFirstWord) {
72600597	76	Bool_t b1 = fRawReader->ReadNextChar(fDataChar1);
	77	if (!b1) return kFALSE;
	78	Bool_t b2, b3, b4;
	79	b2 = fRawReader->ReadNextChar(fDataChar2);
	80	b3 = fRawReader->ReadNextChar(fDataChar3);
	81	b4 = fRawReader->ReadNextChar(fDataChar4);
	82	if (!(b2 && b3 && b4)) {
	83	return kFALSE;
	84	}
	85	fData = fDataChar3+(fDataChar4<<8);
c42b9ed0	86	if ((*fRawReader->GetEventId())!=fPrevEventId) { // if new event...
	87	NewEvent();
	88	fPrevEventId=(*fRawReader->GetEventId());
	89	}
	90	fFirstWord=kFALSE;
72600597	91	}
	92	else {
	93	fFirstWord=kTRUE;
	94	fData = fDataChar1+(fDataChar2<<8);
	95	}
	96
	97	return kTRUE;
	98	}
	99
c42b9ed0	100	Bool_t AliITSRawStreamSPD::ReadNextInt()
72600597	101	{
c42b9ed0	102	// reads next 32 bit into fDataChar1..4
	103	// (if first 16 bits read already, just completes the present word)
	104	if (fFirstWord) {
	105	if (ReadNextShort() && ReadNextShort()) {
	106	return kTRUE;
	107	}
	108	}
	109	else {
	110	if (ReadNextShort()) {
	111	return kTRUE;
	112	}
	113	}
	114	return kFALSE;
	115	}
	116
	117	void AliITSRawStreamSPD::NewEvent()
	118	{
	119	// call this to reset flags for a new event
	120	for (UInt_t eqId=0; eqId<20; eqId++) {
	121	fCalHeadRead[eqId]=kFALSE;
	122	}
	123	fEventNumber=-1;
	124	}
	125
	126	Bool_t AliITSRawStreamSPD::ReadCalibHeader()
	127	{
	128	// read the extra calibration header
	129	// returns kTRUE if the header is present and has length > 0
72600597	130
c42b9ed0	131	Int_t ddlID = fRawReader->GetDDLID();
	132	if (ddlID==-1) { // we may need to read one word to get the blockAttr
	133	if (!ReadNextShort()) return kFALSE;
	134	ddlID = fRawReader->GetDDLID();
	135	}
72600597	136	UChar_t attr = fRawReader->GetBlockAttributes();
c42b9ed0	137	if (ddlID>=0 && ddlID<20) fCalHeadRead[ddlID]=kTRUE;
72600597	138	if ((attr & 0x40) == 0x40) { // is the header present?
c42b9ed0	139	if (ReadNextInt()) {
72600597	140	// length of cal header:
72600597	141	UInt_t calLen = fDataChar1+(fDataChar2<<8)+(fDataChar3<<16)+(fDataChar4<<24);
c42b9ed0	142	if (calLen>kCalHeadLenMax) {
d9edae7b	143	fRawReader->AddMajorErrorLog(kCalHeaderLengthErr,Form("Header length %d > max = %d",calLen,kCalHeadLenMax));
d9edae7b	144	AliWarning(Form("Header length problem. %d > %d (max)",calLen,kCalHeadLenMax));
c42b9ed0	145	return kFALSE;
	146	}
	147	else if (calLen>0) {
	148	for (UInt_t iword=0; iword<calLen; iword++) {
	149	if (ReadNextInt()) {
	150	fCalHeadWord[iword] = fDataChar1+(fDataChar2<<8)+(fDataChar3<<16)+(fDataChar4<<24);
	151	}
	152	else {
d9edae7b	153	fRawReader->AddMajorErrorLog(kCalHeaderLengthErr,"header length problem");
d9edae7b	154	AliWarning("header length problem");
c42b9ed0	155	return kFALSE;
	156	}
	157	}
	158	return kTRUE;
72600597	159	}
	160	}
	161	}
c42b9ed0	162
c42b9ed0	163	return kFALSE;
72600597	164	}
2906f4c2	165
	166	Bool_t AliITSRawStreamSPD::Next()
	167	{
	168	// read the next raw digit
	169	// returns kFALSE if there is no digit left
	170
c42b9ed0	171	Int_t ddlID=-1;
2906f4c2	172	fPrevModuleID = fModuleID;
c42b9ed0	173
72600597	174	while (ReadNextShort()) {
c42b9ed0	175
	176	ddlID = fRawReader->GetDDLID();
	177	if (ddlID>=0 && ddlID<20) {
	178	if (!fCalHeadRead[ddlID]) {
	179	ReadCalibHeader();
	180	}
	181	}
	182	else {
d9edae7b	183	fRawReader->AddMajorErrorLog(kDDLNumberErr,Form("Wrong DDL number %d",ddlID));
d9edae7b	184	AliWarning(Form("DDL number error (= %d) , setting it to 19", ddlID));
c42b9ed0	185	ddlID=19;
	186	}
	187
72600597	188	if ((fData & 0xC000) == 0x4000) { // header
2906f4c2	189	fHitCount = 0;
	190	UShort_t eventNumber = (fData >> 4) & 0x007F;
	191	if (fEventNumber < 0) {
	192	fEventNumber = eventNumber;
72600597	193	}
72600597	194	else if (eventNumber != fEventNumber) {
d9edae7b	195	fRawReader->AddMajorErrorLog(kEventNumberErr,Form("Reading event number %d instead of %d",eventNumber,fEventNumber));
d9edae7b	196	AliWarning(Form("mismatching event numbers: %d != %d",eventNumber, fEventNumber));
2906f4c2	197	}
c42b9ed0	198	fChipAddr = fData & 0x000F;
c42b9ed0	199	if (fChipAddr>9) {
d9edae7b	200	fRawReader->AddMajorErrorLog(kChipAddrErr,Form("Overflow chip address %d - set to 9",fChipAddr));
d9edae7b	201	AliWarning(Form("overflow chip addr (= %d) , setting it to 9", fChipAddr));
c42b9ed0	202	fChipAddr=9;
2906f4c2	203	}
c42b9ed0	204	fHalfStaveNr = (fData & 0x3800)>>11;
c42b9ed0	205	if (fHalfStaveNr>5 \|\| fRawReader->TestBlockAttribute(fHalfStaveNr)) {
d9edae7b	206	fRawReader->AddMajorErrorLog(kStaveNumberErr,Form("Half stave number error %d - set to 5",fHalfStaveNr));
d9edae7b	207	AliWarning(Form("half stave number error(=%d) , setting it to 5", fHalfStaveNr));
c42b9ed0	208	fHalfStaveNr=5;
2906f4c2	209	}
c42b9ed0	210	// translate ("online") ddl, hs, chip nr to ("offline") module id :
	211	fModuleID = fgkDDLModuleMap[ddlID][fHalfStaveNr*2+fChipAddr/5];
	212	fOffset = 32 * (fChipAddr % 5);
72600597	213	}
72600597	214	else if ((fData & 0xC000) == 0x0000) { // trailer
2906f4c2	215	UShort_t hitCount = fData & 0x1FFF;
d9edae7b	216	if (hitCount != fHitCount){
	217	fRawReader->AddMajorErrorLog(kNumbHitsErr,Form("Number of hits %d instead of %d",hitCount,fHitCount));
	218	AliWarning(Form("wrong number of hits: %d != %d", fHitCount, hitCount));
	219	}
	220	}
72600597	221	else if ((fData & 0xC000) == 0x8000) { // pixel hit
2906f4c2	222	fHitCount++;
c42b9ed0	223	fCol = (fData & 0x001F);
	224	fRow = (fData >> 5) & 0x00FF;
	225
	226	// translate ("online") chipcol, chiprow to ("offline") col (coord1), row (coord2):
	227	// This will change, waiting for new geometry!!!
	228	fCoord1 = fCol;
	229	// if (fModuleID < 80 && ddlID < 10) fCoord1=31-fCoord1;
	230	// else if (fModuleID >=80 && ddlID >=10) fCoord1=31-fCoord1;
	231	fCoord1 += fOffset;
	232	// if (ddlID>=10) fCoord1=159-fCoord1;
	233	fCoord2 = fRow;
	234	// if (fModuleID<80) fCoord2=255-fCoord2;
	235
2906f4c2	236	return kTRUE;
72600597	237	}
72600597	238	else { // fill word
d9edae7b	239	if ((fData & 0xC000) != 0xC000) {
	240	fRawReader->AddMajorErrorLog(kWrongWordErr,"Wrong fill word");
	241	AliWarning("wrong fill word!");
	242	}
2906f4c2	243	}
	244
	245	}
	246
	247	return kFALSE;
	248	}
c42b9ed0	249	Bool_t AliITSRawStreamSPD::GetHalfStavePresent(UInt_t hs) {
	250	// Reads the half stave present status from the block attributes
	251	Int_t ddlID = fRawReader->GetDDLID();
	252	if (ddlID==-1) {
d9edae7b	253	fRawReader->AddMinorErrorLog(kHalfStaveStatusErr,"DDL ID = -1. Cannot read block attributes.");
d9edae7b	254	AliWarning("DDL ID = -1. Cannot read block attributes. Return kFALSE.");
c42b9ed0	255	return kFALSE;
	256	}
	257	else {
	258	if (hs>=6) {
d9edae7b	259	fRawReader->AddMinorErrorLog(kHalfStaveStatusErr,Form( "HS >= 6 requested (%d). Return kFALSE.",hs));
d9edae7b	260	AliWarning(Form("HS >= 6 requested (%d). Return kFALSE.",hs));
c42b9ed0	261	return kFALSE;
	262	}
	263	UChar_t attr = fRawReader->GetBlockAttributes();
	264	if (((attr>>hs) & 0x01) == 0x01) { // bit set means not present
	265	return kFALSE;
	266	}
	267	else {
	268	return kTRUE;
	269	}
	270	}
	271	}
	272
	273	Bool_t AliITSRawStreamSPD::GetHhalfStaveScanned(UInt_t hs) const {
	274	if (hs<6) return (Bool_t)((fCalHeadWord[0]>>(6+hs)) & (0x00000001));
	275	else return kFALSE;
	276	}
	277	Bool_t AliITSRawStreamSPD::GetHchipPresent(UInt_t hs, UInt_t chip) const {
	278	if (hs<6 && chip<10) return ((( fCalHeadWord[hs/3+3]>>((hs%3)*10+chip)) & 0x00000001) == 1);
	279	else return kFALSE;
	280	}
	281	UInt_t AliITSRawStreamSPD::GetHdacHigh(UInt_t hs) const {
	282	if (hs<6) return (fCalHeadWord[hs/2+7]>>(24-16*(hs%2)) & 0x000000ff);
	283	else return 0;
	284	}
	285	UInt_t AliITSRawStreamSPD::GetHdacLow(UInt_t hs) const {
	286	if (hs<6) return (fCalHeadWord[hs/2+7]>>(16-16*(hs%2)) & 0x000000ff);
	287	else return 0;
	288	}
	289	UInt_t AliITSRawStreamSPD::GetHTPAmp(UInt_t hs) const {
	290	if (hs<6) return fCalHeadWord[hs+10];
	291	else return 0;
	292	}