[u/mrichter/AliRoot.git] / FMD / AliFMDRawReader.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.                  *
 **************************************************************************/
/* $Id$ */
/** @file    AliFMDRawReader.cxx
    @author  Christian Holm Christensen <cholm@nbi.dk>
    @date    Mon Mar 27 12:45:23 2006
    @brief   Class to read raw data 
    @ingroup FMD_rec
*/
//____________________________________________________________________
//
// Class to read ADC values from a AliRawReader object. 
//
// This class uses the AliFMDRawStreamer class to read the ALTRO
// formatted data. 
// 
//          +-------+
//          | TTask |
//          +-------+
//              ^
//              |
//      +-----------------+  <<references>>  +--------------+
//      | AliFMDRawReader |<>----------------| AliRawReader |
//      +-----------------+                  +--------------+
//              |                                  ^
//              | <<uses>>                         |
//              V                                  |
//      +-----------------+      <<uses>>          |
//      | AliFMDRawStream |------------------------+
//      +-----------------+
//              |
//              V
//      +----------------+
//      | AliAltroStream |
//      +----------------+
//
// #include <AliLog.h>		// ALILOG_H
#include "AliFMDDebug.h" // Better debug macros
#include "AliFMDParameters.h"	// ALIFMDPARAMETERS_H
#include "AliFMDDigit.h"	// ALIFMDDIGIT_H
#include "AliFMDRawStream.h"	// ALIFMDRAWSTREAM_H 
// #include "AliRawReader.h"	// ALIRAWREADER_H 
#include "AliFMDRawReader.h"	// ALIFMDRAWREADER_H 
// #include "AliFMDAltroIO.h"	// ALIFMDALTROIO_H 
// #include <TArrayI.h>		// ROOT_TArrayI
#include <TTree.h>		// ROOT_TTree
#include <TClonesArray.h>	// ROOT_TClonesArray
// #include <iostream>
// #include <iomanip>

//____________________________________________________________________
ClassImp(AliFMDRawReader)
#if 0
  ; // This is here to keep Emacs for indenting the next line
#endif

//____________________________________________________________________
AliFMDRawReader::AliFMDRawReader(AliRawReader* reader, TTree* tree) 
  : TTask("FMDRawReader", "Reader of Raw ADC values from the FMD"),
    fTree(tree),
    fReader(reader), 
    fSampleRate(1)
{
  // Default CTOR
}

//____________________________________________________________________
void
AliFMDRawReader::Exec(Option_t*) 
{
  // Read the data 
  TClonesArray* array = new TClonesArray("AliFMDDigit");
  if (!fTree) {
    AliError("No tree");
    return;
  }
  fTree->Branch("FMD", &array);
  ReadAdcs(array);
  Int_t nWrite = fTree->Fill();
  AliFMDDebug(1, ("Got a grand total of %d digits, wrote %d bytes to tree", 
		   array->GetEntries(), nWrite));
}


#if 1
//____________________________________________________________________
Bool_t
AliFMDRawReader::ReadAdcs(TClonesArray* array) 
{
  // Read raw data into the digits array, using AliFMDAltroReader. 
  if (!array) {
    AliError("No TClonesArray passed");
    return kFALSE;
  }
  //  if (!fReader->ReadHeader()) {
  //    AliError("Couldn't read header");
  //    return kFALSE;
  //  }
  // Get sample rate 
  AliFMDParameters* pars = AliFMDParameters::Instance();
  AliFMDRawStream input(fReader);

  UShort_t stripMin = 0;
  UShort_t stripMax = 127;
  UShort_t preSamp  = 0;
  
  UInt_t ddl    = 0;
  UInt_t rate   = 0;
  UInt_t last   = 0;
  UInt_t hwaddr = 0;
  // Data array is approx twice the size needed. 
  UShort_t data[2048];
  while (input.ReadChannel(ddl, hwaddr, last, data)) {
    AliFMDDebug(5, ("Read channel 0x%x of size %d", hwaddr, last));
    UShort_t det, sec, str;
    Char_t   ring;
    if (!pars->Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) {
      AliError(Form("Failed to get detector id from DDL %d "
		    "and hardware address 0x%x", ddl, hwaddr));
      continue;
    }
    rate     = pars->GetSampleRate(det, ring, sec, str);
    stripMin = pars->GetMinStrip(det, ring, sec, str);
    stripMax = pars->GetMaxStrip(det, ring, sec, str);
    AliFMDDebug(5, ("DDL 0x%04x, address 0x%03x maps to FMD%d%c[%2d,%3d]", 
		       ddl, hwaddr, det, ring, sec, str));
    
    // Loop over the `timebins', and make the digits
    for (size_t i = 0; i < last; i++) {
      if (i < preSamp) continue;
      Int_t    n      = array->GetEntriesFast();
      UShort_t curStr = str + stripMin + i / rate;
      if ((curStr-str) > stripMax) {
	AliError(Form("Current strip is %d but DB says max is %d", 
		      curStr, stripMax));
      }
      AliFMDDebug(5, ("making digit for FMD%d%c[%2d,%3d] from sample %4d", 
		       det, ring, sec, curStr, i));
      new ((*array)[n]) AliFMDDigit(det, ring, sec, curStr, data[i], 
				    (rate >= 2 ? data[i+1] : 0),
				    (rate >= 3 ? data[i+2] : 0));
      if (rate >= 2) i++;
      if (rate >= 3) i++;
    }
  }
  return kTRUE;
}
#else
//____________________________________________________________________
Bool_t
AliFMDRawReader::ReadAdcs(TClonesArray* array) 
{
  // Read raw data into the digits array, using AliFMDAltroReader. 
  if (!array) {
    AliError("No TClonesArray passed");
    return kFALSE;
  }
  //  if (!fReader->ReadHeader()) {
  //    AliError("Couldn't read header");
  //    return kFALSE;
  //  }
  // Get sample rate 
  AliFMDParameters* pars = AliFMDParameters::Instance();

  // Select FMD DDL's 
  fReader->Select("FMD");

  UShort_t stripMin = 0;
  UShort_t stripMax = 127;
  UShort_t preSamp  = 0;
  
  do {
    UChar_t* cdata;
    if (!fReader->ReadNextData(cdata)) break;
    size_t   nchar = fReader->GetDataSize();
    UShort_t ddl   = fReader->GetDDLID();
    UShort_t rate  = 0;
    AliFMDDebug(1, ("Reading %d bytes (%d 10bit words) from %d", 
		     nchar, nchar * 8 / 10, ddl));
    // Make a stream to read from 
    std::string str((char*)(cdata), nchar);
    std::istringstream s(str);
    // Prep the reader class.
    AliFMDAltroReader r(s);
    // Data array is approx twice the size needed. 
    UShort_t data[2048], hwaddr, last;
    while (r.ReadChannel(hwaddr, last, data) > 0) {
      AliFMDDebug(5, ("Read channel 0x%x of size %d", hwaddr, last));
      UShort_t det, sec, str;
      Char_t   ring;
      if (!pars->Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) {
	AliError(Form("Failed to detector id from DDL %d "
		      "and hardware address 0x%x", ddl, hwaddr));
	continue;
      }
      rate     = pars->GetSampleRate(det, ring, sec, str);
      stripMin = pars->GetMinStrip(det, ring, sec, str);
      stripMax = pars->GetMaxStrip(det, ring, sec, str);
      AliFMDDebug(5, ("DDL 0x%04x, address 0x%03x maps to FMD%d%c[%2d,%3d]", 
		       ddl, hwaddr, det, ring, sec, str));

      // Loop over the `timebins', and make the digits
      for (size_t i = 0; i < last; i++) {
	if (i < preSamp) continue;
	Int_t    n      = array->GetEntries();
	UShort_t curStr = str + stripMin + i / rate;
	if ((curStr-str) > stripMax) {
	  AliError(Form("Current strip is %d but DB says max is %d", 
			curStr, stripMax));
	}
	AliFMDDebug(5, ("making digit for FMD%d%c[%2d,%3d] from sample %4d", 
			 det, ring, sec, curStr, i));
	new ((*array)[n]) AliFMDDigit(det, ring, sec, curStr, data[i], 
				      (rate >= 2 ? data[i+1] : 0),
				      (rate >= 3 ? data[i+2] : 0));
	if (rate >= 2) i++;
	if (rate >= 3) i++;
	}
	if (r.IsBof()) break;
    }
  } while (true);
  return kTRUE;
}

  
// This is the old method, for comparison.   It's really ugly, and far
// too convoluted. 
//____________________________________________________________________
void
AliFMDRawReader::Exec(Option_t*) 
{
  // Read raw data into the digits array
  //  if (!fReader->ReadHeader()) {
  //    Error("ReadAdcs", "Couldn't read header");
  //    return;
  //  }

  Int_t n = 0;
  TClonesArray* array = new TClonesArray("AliFMDDigit");
  fTree->Branch("FMD", &array);

  // Get sample rate 
  AliFMDParameters* pars = AliFMDParameters::Instance();
  fSampleRate = pars->GetSampleRate(0);

  // Use AliAltroRawStream to read the ALTRO format.  No need to
  // reinvent the wheel :-) 
  AliFMDRawStream input(fReader, fSampleRate);
  // Select FMD DDL's 
  fReader->Select("FMD");
  
  Int_t    oldDDL      = -1;
  Int_t    count       = 0;
  UShort_t detector    = 1; // Must be one here
  UShort_t oldDetector = 0;
  Bool_t   next        = kTRUE;

  // local Cache 
  TArrayI counts(10);
  counts.Reset(-1);
  
  // Loop over data in file 
  while (next) {
    next = input.Next();

    count++; 
    Int_t ddl = fReader->GetDDLID();
    AliFMDDebug(10, ("Current DDL is %d", ddl));
    if (ddl != oldDDL || input.IsNewStrip() || !next) {
      // Make a new digit, if we have some data (oldDetector == 0,
      // means that we haven't really read anything yet - that is,
      // it's the first time we get here). 
      if (oldDetector > 0) {
	// Got a new strip. 
	AliFMDDebug(10, ("Add a new strip: FMD%d%c[%2d,%3d] "
			  "(current: FMD%d%c[%2d,%3d])", 
			  oldDetector, input.PrevRing(), 
			  input.PrevSector() , input.PrevStrip(),
			  detector , input.Ring(), input.Sector(), 
			  input.Strip()));
	new ((*array)[n]) AliFMDDigit(oldDetector, 
				      input.PrevRing(), 
				      input.PrevSector(), 
				      input.PrevStrip(), 
				      counts[0], counts[1], counts[2]);
	n++;
#if 0
	AliFMDDigit* digit = 
	  static_cast<AliFMDDigit*>(fFMD->Digits()->
				    UncheckedAt(fFMD->GetNdigits()-1));
#endif 
      }
	
      if (!next) { 
	AliFMDDebug(10, ("Read %d channels for FMD%d", 
			  count + 1, detector));
	break;
      }
    
    
      // If we got a new DDL, it means we have a new detector. 
      if (ddl != oldDDL) {
	if (detector != 0) 
	  AliFMDDebug(10, ("Read %d channels for FMD%d", count + 1, detector));
	// Reset counts, and update the DDL cache 
	count       = 0;
	oldDDL      = ddl;
	// Check that we're processing a FMD detector 
	Int_t detId = fReader->GetDetectorID();
	if (detId != (AliDAQ::DetectorID("FMD"))) {
	  AliError(Form("Detector ID %d != %d",
			detId, (AliDAQ::DetectorID("FMD"))));
	  break;
	}
	// Figure out what detector we're deling with 
	oldDetector = detector;
	switch (ddl) {
	case 0: detector = 1; break;
	case 1: detector = 2; break;
	case 2: detector = 3; break;
	default:
	  AliError(Form("Unknown DDL 0x%x for FMD", ddl));
	  return;
	}
	AliFMDDebug(10, ("Reading ADCs for 0x%x  - That is FMD%d",
			  fReader->GetEquipmentId(), detector));
      }
      counts.Reset(-1);
    }
    
    counts[input.Sample()] = input.Count();
    
    AliFMDDebug(10, ("ADC of FMD%d%c[%2d,%3d] += %d",
		      detector, input.Ring(), input.Sector(), 
		      input.Strip(), input.Count()));
    oldDetector = detector;
  }
  fTree->Fill();
  return;

}
#endif

//____________________________________________________________________
// 
// EOF
//
Commit	Line	Data
e802be3e	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	**************************************************************************/
e802be3e	15	/* $Id$ */
c2fc1258	16	/** @file AliFMDRawReader.cxx
	17	@author Christian Holm Christensen <cholm@nbi.dk>
	18	@date Mon Mar 27 12:45:23 2006
	19	@brief Class to read raw data
02a27b50	20	@ingroup FMD_rec
c2fc1258	21	*/
e802be3e	22	//____________________________________________________________________
	23	//
	24	// Class to read ADC values from a AliRawReader object.
	25	//
7684b53c	26	// This class uses the AliFMDRawStreamer class to read the ALTRO
	27	// formatted data.
	28	//
	29	// +-------+
	30	// \| TTask \|
	31	// +-------+
	32	// ^
	33	// \|
	34	// +-----------------+ <<references>> +--------------+
	35	// \| AliFMDRawReader \|<>----------------\| AliRawReader \|
	36	// +-----------------+ +--------------+
	37	// \| ^
	38	// \| <<uses>> \|
	39	// V \|
	40	// +-----------------+ <<uses>> \|
	41	// \| AliFMDRawStream \|------------------------+
	42	// +-----------------+
	43	// \|
	44	// V
	45	// +----------------+
	46	// \| AliAltroStream \|
	47	// +----------------+
	48	//
f95a63c4	49	// #include <AliLog.h> // ALILOG_H
f95a63c4	50	#include "AliFMDDebug.h" // Better debug macros
1a1fdef7	51	#include "AliFMDParameters.h" // ALIFMDPARAMETERS_H
e802be3e	52	#include "AliFMDDigit.h" // ALIFMDDIGIT_H
e802be3e	53	#include "AliFMDRawStream.h" // ALIFMDRAWSTREAM_H
6169f936	54	// #include "AliRawReader.h" // ALIRAWREADER_H
e802be3e	55	#include "AliFMDRawReader.h" // ALIFMDRAWREADER_H
c2fc1258	56	// #include "AliFMDAltroIO.h" // ALIFMDALTROIO_H
02a27b50	57	// #include <TArrayI.h> // ROOT_TArrayI
1a1fdef7	58	#include <TTree.h> // ROOT_TTree
1a1fdef7	59	#include <TClonesArray.h> // ROOT_TClonesArray
02a27b50	60	// #include <iostream>
02a27b50	61	// #include <iomanip>
e802be3e	62
e802be3e	63	//____________________________________________________________________
925e6570	64	ClassImp(AliFMDRawReader)
1a1fdef7	65	#if 0
	66	; // This is here to keep Emacs for indenting the next line
	67	#endif
e802be3e	68
e802be3e	69	//____________________________________________________________________
1a1fdef7	70	AliFMDRawReader::AliFMDRawReader(AliRawReader* reader, TTree* tree)
e802be3e	71	: TTask("FMDRawReader", "Reader of Raw ADC values from the FMD"),
1a1fdef7	72	fTree(tree),
	73	fReader(reader),
	74	fSampleRate(1)
e802be3e	75	{
56b1929b	76	// Default CTOR
e802be3e	77	}
e802be3e	78
c2fc1258	79	//____________________________________________________________________
	80	void
	81	AliFMDRawReader::Exec(Option_t*)
	82	{
02a27b50	83	// Read the data
c2fc1258	84	TClonesArray* array = new TClonesArray("AliFMDDigit");
	85	if (!fTree) {
	86	AliError("No tree");
	87	return;
	88	}
	89	fTree->Branch("FMD", &array);
	90	ReadAdcs(array);
	91	Int_t nWrite = fTree->Fill();
f95a63c4	92	AliFMDDebug(1, ("Got a grand total of %d digits, wrote %d bytes to tree",
c2fc1258	93	array->GetEntries(), nWrite));
	94	}
	95
	96
	97	#if 1
	98	//____________________________________________________________________
	99	Bool_t
	100	AliFMDRawReader::ReadAdcs(TClonesArray* array)
	101	{
	102	// Read raw data into the digits array, using AliFMDAltroReader.
	103	if (!array) {
	104	AliError("No TClonesArray passed");
	105	return kFALSE;
	106	}
d56f2b53	107	// if (!fReader->ReadHeader()) {
	108	// AliError("Couldn't read header");
	109	// return kFALSE;
	110	// }
c2fc1258	111	// Get sample rate
	112	AliFMDParameters* pars = AliFMDParameters::Instance();
	113	AliFMDRawStream input(fReader);
c2fc1258	114
	115	UShort_t stripMin = 0;
	116	UShort_t stripMax = 127;
	117	UShort_t preSamp = 0;
	118
	119	UInt_t ddl = 0;
	120	UInt_t rate = 0;
	121	UInt_t last = 0;
	122	UInt_t hwaddr = 0;
	123	// Data array is approx twice the size needed.
	124	UShort_t data[2048];
	125	while (input.ReadChannel(ddl, hwaddr, last, data)) {
f95a63c4	126	AliFMDDebug(5, ("Read channel 0x%x of size %d", hwaddr, last));
c2fc1258	127	UShort_t det, sec, str;
	128	Char_t ring;
	129	if (!pars->Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) {
	130	AliError(Form("Failed to get detector id from DDL %d "
	131	"and hardware address 0x%x", ddl, hwaddr));
	132	continue;
	133	}
	134	rate = pars->GetSampleRate(det, ring, sec, str);
	135	stripMin = pars->GetMinStrip(det, ring, sec, str);
	136	stripMax = pars->GetMaxStrip(det, ring, sec, str);
f95a63c4	137	AliFMDDebug(5, ("DDL 0x%04x, address 0x%03x maps to FMD%d%c[%2d,%3d]",
c2fc1258	138	ddl, hwaddr, det, ring, sec, str));
	139
	140	// Loop over the `timebins', and make the digits
	141	for (size_t i = 0; i < last; i++) {
	142	if (i < preSamp) continue;
b29d3b0b	143	Int_t n = array->GetEntriesFast();
c2fc1258	144	UShort_t curStr = str + stripMin + i / rate;
	145	if ((curStr-str) > stripMax) {
	146	AliError(Form("Current strip is %d but DB says max is %d",
	147	curStr, stripMax));
	148	}
f95a63c4	149	AliFMDDebug(5, ("making digit for FMD%d%c[%2d,%3d] from sample %4d",
c2fc1258	150	det, ring, sec, curStr, i));
	151	new ((*array)[n]) AliFMDDigit(det, ring, sec, curStr, data[i],
	152	(rate >= 2 ? data[i+1] : 0),
	153	(rate >= 3 ? data[i+2] : 0));
	154	if (rate >= 2) i++;
	155	if (rate >= 3) i++;
	156	}
	157	}
	158	return kTRUE;
	159	}
	160	#else
1e8f773e	161	//____________________________________________________________________
d760ea03	162	Bool_t
d760ea03	163	AliFMDRawReader::ReadAdcs(TClonesArray* array)
1e8f773e	164	{
1e8f773e	165	// Read raw data into the digits array, using AliFMDAltroReader.
d760ea03	166	if (!array) {
	167	AliError("No TClonesArray passed");
	168	return kFALSE;
	169	}
d56f2b53	170	// if (!fReader->ReadHeader()) {
	171	// AliError("Couldn't read header");
	172	// return kFALSE;
	173	// }
1e8f773e	174	// Get sample rate
	175	AliFMDParameters* pars = AliFMDParameters::Instance();
	176
	177	// Select FMD DDL's
362c9d61	178	fReader->Select("FMD");
1e8f773e	179
	180	UShort_t stripMin = 0;
	181	UShort_t stripMax = 127;
	182	UShort_t preSamp = 0;
	183
	184	do {
	185	UChar_t* cdata;
	186	if (!fReader->ReadNextData(cdata)) break;
	187	size_t nchar = fReader->GetDataSize();
362c9d61	188	UShort_t ddl = fReader->GetDDLID();
c2fc1258	189	UShort_t rate = 0;
f95a63c4	190	AliFMDDebug(1, ("Reading %d bytes (%d 10bit words) from %d",
1e8f773e	191	nchar, nchar * 8 / 10, ddl));
	192	// Make a stream to read from
	193	std::string str((char*)(cdata), nchar);
	194	std::istringstream s(str);
	195	// Prep the reader class.
	196	AliFMDAltroReader r(s);
	197	// Data array is approx twice the size needed.
	198	UShort_t data[2048], hwaddr, last;
	199	while (r.ReadChannel(hwaddr, last, data) > 0) {
f95a63c4	200	AliFMDDebug(5, ("Read channel 0x%x of size %d", hwaddr, last));
1e8f773e	201	UShort_t det, sec, str;
	202	Char_t ring;
	203	if (!pars->Hardware2Detector(ddl, hwaddr, det, ring, sec, str)) {
	204	AliError(Form("Failed to detector id from DDL %d "
	205	"and hardware address 0x%x", ddl, hwaddr));
	206	continue;
	207	}
c2fc1258	208	rate = pars->GetSampleRate(det, ring, sec, str);
	209	stripMin = pars->GetMinStrip(det, ring, sec, str);
	210	stripMax = pars->GetMaxStrip(det, ring, sec, str);
f95a63c4	211	AliFMDDebug(5, ("DDL 0x%04x, address 0x%03x maps to FMD%d%c[%2d,%3d]",
1e8f773e	212	ddl, hwaddr, det, ring, sec, str));
	213
	214	// Loop over the `timebins', and make the digits
	215	for (size_t i = 0; i < last; i++) {
	216	if (i < preSamp) continue;
d760ea03	217	Int_t n = array->GetEntries();
1e8f773e	218	UShort_t curStr = str + stripMin + i / rate;
	219	if ((curStr-str) > stripMax) {
	220	AliError(Form("Current strip is %d but DB says max is %d",
	221	curStr, stripMax));
	222	}
f95a63c4	223	AliFMDDebug(5, ("making digit for FMD%d%c[%2d,%3d] from sample %4d",
1e8f773e	224	det, ring, sec, curStr, i));
	225	new ((*array)[n]) AliFMDDigit(det, ring, sec, curStr, data[i],
	226	(rate >= 2 ? data[i+1] : 0),
	227	(rate >= 3 ? data[i+2] : 0));
	228	if (rate >= 2) i++;
	229	if (rate >= 3) i++;
	230	}
	231	if (r.IsBof()) break;
	232	}
	233	} while (true);
d760ea03	234	return kTRUE;
	235	}
	236
	237
	238
1e8f773e	239	// This is the old method, for comparison. It's really ugly, and far
1e8f773e	240	// too convoluted.
e802be3e	241	//____________________________________________________________________
	242	void
	243	AliFMDRawReader::Exec(Option_t*)
	244	{
56b1929b	245	// Read raw data into the digits array
d56f2b53	246	// if (!fReader->ReadHeader()) {
	247	// Error("ReadAdcs", "Couldn't read header");
	248	// return;
	249	// }
e802be3e	250
1a1fdef7	251	Int_t n = 0;
	252	TClonesArray* array = new TClonesArray("AliFMDDigit");
	253	fTree->Branch("FMD", &array);
	254
8f6ee336	255	// Get sample rate
8f6ee336	256	AliFMDParameters* pars = AliFMDParameters::Instance();
362c9d61	257	fSampleRate = pars->GetSampleRate(0);
8f6ee336	258
e802be3e	259	// Use AliAltroRawStream to read the ALTRO format. No need to
	260	// reinvent the wheel :-)
	261	AliFMDRawStream input(fReader, fSampleRate);
	262	// Select FMD DDL's
362c9d61	263	fReader->Select("FMD");
e802be3e	264
	265	Int_t oldDDL = -1;
	266	Int_t count = 0;
	267	UShort_t detector = 1; // Must be one here
	268	UShort_t oldDetector = 0;
	269	Bool_t next = kTRUE;
	270
	271	// local Cache
	272	TArrayI counts(10);
	273	counts.Reset(-1);
	274
	275	// Loop over data in file
	276	while (next) {
	277	next = input.Next();
	278
	279	count++;
	280	Int_t ddl = fReader->GetDDLID();
f95a63c4	281	AliFMDDebug(10, ("Current DDL is %d", ddl));
e802be3e	282	if (ddl != oldDDL \|\| input.IsNewStrip() \|\| !next) {
	283	// Make a new digit, if we have some data (oldDetector == 0,
	284	// means that we haven't really read anything yet - that is,
	285	// it's the first time we get here).
	286	if (oldDetector > 0) {
	287	// Got a new strip.
f95a63c4	288	AliFMDDebug(10, ("Add a new strip: FMD%d%c[%2d,%3d] "
e802be3e	289	"(current: FMD%d%c[%2d,%3d])",
	290	oldDetector, input.PrevRing(),
	291	input.PrevSector() , input.PrevStrip(),
	292	detector , input.Ring(), input.Sector(),
	293	input.Strip()));
1a1fdef7	294	new ((*array)[n]) AliFMDDigit(oldDetector,
	295	input.PrevRing(),
	296	input.PrevSector(),
	297	input.PrevStrip(),
	298	counts[0], counts[1], counts[2]);
	299	n++;
e802be3e	300	#if 0
	301	AliFMDDigit* digit =
	302	static_cast<AliFMDDigit*>(fFMD->Digits()->
	303	UncheckedAt(fFMD->GetNdigits()-1));
	304	#endif
	305	}
	306
	307	if (!next) {
f95a63c4	308	AliFMDDebug(10, ("Read %d channels for FMD%d",
e802be3e	309	count + 1, detector));
	310	break;
	311	}
	312
	313
	314	// If we got a new DDL, it means we have a new detector.
	315	if (ddl != oldDDL) {
	316	if (detector != 0)
f95a63c4	317	AliFMDDebug(10, ("Read %d channels for FMD%d", count + 1, detector));
e802be3e	318	// Reset counts, and update the DDL cache
	319	count = 0;
	320	oldDDL = ddl;
	321	// Check that we're processing a FMD detector
	322	Int_t detId = fReader->GetDetectorID();
362c9d61	323	if (detId != (AliDAQ::DetectorID("FMD"))) {
1e8f773e	324	AliError(Form("Detector ID %d != %d",
362c9d61	325	detId, (AliDAQ::DetectorID("FMD"))));
e802be3e	326	break;
	327	}
	328	// Figure out what detector we're deling with
	329	oldDetector = detector;
	330	switch (ddl) {
	331	case 0: detector = 1; break;
	332	case 1: detector = 2; break;
	333	case 2: detector = 3; break;
	334	default:
1e8f773e	335	AliError(Form("Unknown DDL 0x%x for FMD", ddl));
e802be3e	336	return;
e802be3e	337	}
f95a63c4	338	AliFMDDebug(10, ("Reading ADCs for 0x%x - That is FMD%d",
e802be3e	339	fReader->GetEquipmentId(), detector));
	340	}
	341	counts.Reset(-1);
	342	}
	343
	344	counts[input.Sample()] = input.Count();
	345
f95a63c4	346	AliFMDDebug(10, ("ADC of FMD%d%c[%2d,%3d] += %d",
e802be3e	347	detector, input.Ring(), input.Sector(),
	348	input.Strip(), input.Count()));
	349	oldDetector = detector;
	350	}
1a1fdef7	351	fTree->Fill();
e802be3e	352	return;
	353
	354	}
1e8f773e	355	#endif
e802be3e	356
	357	//____________________________________________________________________
	358	//
	359	// EOF
	360	//