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

/**************************************************************************
 * Copyright(c) 2007-2009, 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.                  *
 **************************************************************************/

/* $Id$*/

///////////////////////////////////////////////////////////////////
//                                                               //
// Class to decode the SDD Raw Data from the CarlosRX format to  //
// a compressed format consisting in a word of 32 bit per cell   //
// The 32 bits for a data word are defined as follows:           //
//   31 control bit (0=data word, 1= control word)               //
//   30 -                                                        //
//   29  |                                                       //
//   28  |-> 4 bits to identify the Carlos (0-11) inside the DDL //
//   27 -                                                        //
//   26 detecot side (0= left, =right)                           //
//   25 -                                                        //
//   24  |                                                       //
//   23  |                                                       //
//   22  |                                                       //
//   21  |-> 8 bits to identify the anode number (0-255)         //
//   20  |                                                       //
//   19  |                                                       //
//   18 -                                                        //
//   17 -                                                        //
//   16  |                                                       //
//   15  |                                                       //
//   14  |                                                       //
//   13  |-> 8 bits to identify the time bin (0-255)             //
//   12  |                                                       //
//   11  |                                                       //
//   10 -                                                        //
//    9 -                                                        //
//    8  |                                                       //
//    7  |                                                       //
//    6  |                                                       //
//    5  |                                                       //
//    4  |-> 10 bit for the ADC counts                           //
//    3  |                                                       //
//    2  |                                                       //
//    1  |                                                       //
//    0 -                                                        //
//                                                               //
// Plus 1 type of control words:                                 //
// - End of module data (needed by the Cluster Finder)           //
//       first 4 most significant bits                   = 1111  //
//                                                               //
// Origin: F.Prino, Torino, prino@to.infn.it                     //
//                                                               //
///////////////////////////////////////////////////////////////////

#include"AliLog.h"
#include "AliITSCompressRawDataSDD.h"
#include "AliRawReader.h"
#include "AliRawReaderDate.h"
#include "AliRawReaderRoot.h"
#include "AliITSRawStreamSDD.h"


ClassImp(AliITSCompressRawDataSDD)

AliITSCompressRawDataSDD::AliITSCompressRawDataSDD():
TObject(),
fRawReader(0),
fPointerToData(0),
fSizeInMemory(0),
fEventRange(kFALSE),
fFirstEvent(0),
fLastEvent(0)
{
  // default constructor
  fNameFile="";
}
//______________________________________________________________________
AliITSCompressRawDataSDD::AliITSCompressRawDataSDD(TString filename):
TObject(),
fRawReader(0),
fPointerToData(0),
fSizeInMemory(0),
fEventRange(kFALSE),
fFirstEvent(0),
fLastEvent(0)
{
  // Contructor for tests
  fNameFile=filename;
}
//______________________________________________________________________
AliITSCompressRawDataSDD::~AliITSCompressRawDataSDD(){
  // raw reader is passed from outdside, don't delete it
}

//______________________________________________________________________
void AliITSCompressRawDataSDD::Compress(){
  // Test method to dump raw data on ascii file
  Int_t iev=0;
  if(fEventRange) iev=fFirstEvent;

  AliRawReader* rd;
  if(fNameFile.Contains(".root")){
    rd=new AliRawReaderRoot(fNameFile.Data(),iev);
  }else{
    rd=new AliRawReaderDate(fNameFile.Data(),iev);
  }
  
  FILE *outtxt=fopen("data.txt","w");

  UInt_t word=0;
  do{
    rd->Reset();

    AliITSRawStreamSDD s(rd);
    s.SetDecompressAmbra(kFALSE);
    while(s.Next()){
      if(s.IsCompletedModule()==kFALSE){
	word=s.GetCarlosId()<<27;
	word+=s.GetChannel()<<26;
	word+=s.GetCoord1()<<18;
	word+=s.GetCoord2()<<10;
	word+=s.GetEightBitSignal();
	fprintf(outtxt,"%08X\n",word);
      }
      if(s.IsCompletedModule()==kTRUE){
	word=15<<28;
	word+=s.GetCarlosId();
	fprintf(outtxt,"%08X\n",word);
      }
    }
    iev++;
    if(fEventRange && iev>fLastEvent) break;
  }while(rd->NextEvent());
  fclose(outtxt);
}
//______________________________________________________________________
UInt_t AliITSCompressRawDataSDD::CompressEvent(UChar_t* inputPtr){
  // Method to be used in HLT
  UInt_t siz=0;
  memcpy(fPointerToData,inputPtr,32); // event header, 8 words
  fPointerToData+=32;
  siz+=32;
  UInt_t word=0;
  AliITSRawStreamSDD s(fRawReader);
  s.SetDecompressAmbra(kFALSE);
  Int_t mask1=0xFF000000;
  Int_t mask2=0x00FF0000;
  Int_t mask3=0x0000FF00;
  Int_t mask4=0x000000FF;
  while(s.Next()){
    if(s.IsCompletedModule()==kFALSE){
      word=s.GetCarlosId()<<27;
      word+=s.GetChannel()<<26;
      word+=s.GetCoord1()<<18;
      word+=s.GetCoord2()<<10;
      word+=s.GetEightBitSignal();
      if(siz+4<fSizeInMemory){
	*(fPointerToData)=(word&mask4);
	++fPointerToData;
	*(fPointerToData)=(word&mask3)>>8;
	++fPointerToData;
	*(fPointerToData)=(word&mask2)>>16;
	++fPointerToData;
	*(fPointerToData)=(word&mask1)>>24;
	++fPointerToData;
	siz+=4;
      }
    }
    if(s.IsCompletedModule()==kTRUE){
      word=15<<28;
      word+=s.GetCarlosId();
      if(siz+4<fSizeInMemory){
	*(fPointerToData)=(word&mask4);
	++fPointerToData;
	*(fPointerToData)=(word&mask3)>>8;
	++fPointerToData;
	*(fPointerToData)=(word&mask2)>>16;
	++fPointerToData;
	*(fPointerToData)=(word&mask1)>>24;
	++fPointerToData;
	siz+=4;
      }
    }
  }
  return siz;
}
Commit	Line	Data
7765ca40	1	/**************************************************************************
	2	* Copyright(c) 2007-2009, 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
f7bcb379	16	/* $Id$*/
7765ca40	17
	18	///////////////////////////////////////////////////////////////////
	19	// //
	20	// Class to decode the SDD Raw Data from the CarlosRX format to //
	21	// a compressed format consisting in a word of 32 bit per cell //
	22	// The 32 bits for a data word are defined as follows: //
	23	// 31 control bit (0=data word, 1= control word) //
	24	// 30 - //
	25	// 29 \| //
	26	// 28 \|-> 4 bits to identify the Carlos (0-11) inside the DDL //
	27	// 27 - //
	28	// 26 detecot side (0= left, =right) //
	29	// 25 - //
	30	// 24 \| //
	31	// 23 \| //
	32	// 22 \| //
	33	// 21 \|-> 8 bits to identify the anode number (0-255) //
	34	// 20 \| //
	35	// 19 \| //
	36	// 18 - //
	37	// 17 - //
	38	// 16 \| //
	39	// 15 \| //
	40	// 14 \| //
	41	// 13 \|-> 8 bits to identify the time bin (0-255) //
	42	// 12 \| //
	43	// 11 \| //
	44	// 10 - //
	45	// 9 - //
	46	// 8 \| //
	47	// 7 \| //
	48	// 6 \| //
	49	// 5 \| //
	50	// 4 \|-> 10 bit for the ADC counts //
	51	// 3 \| //
	52	// 2 \| //
	53	// 1 \| //
	54	// 0 - //
	55	// //
f7bcb379	56	// Plus 1 type of control words: //
	57	// - End of module data (needed by the Cluster Finder) //
	58	// first 4 most significant bits = 1111 //
7765ca40	59	// //
	60	// Origin: F.Prino, Torino, prino@to.infn.it //
	61	// //
	62	///////////////////////////////////////////////////////////////////
	63
f7bcb379	64	#include"AliLog.h"
7765ca40	65	#include "AliITSCompressRawDataSDD.h"
	66	#include "AliRawReader.h"
	67	#include "AliRawReaderDate.h"
	68	#include "AliRawReaderRoot.h"
	69	#include "AliITSRawStreamSDD.h"
	70
	71
	72	ClassImp(AliITSCompressRawDataSDD)
	73
f7bcb379	74	AliITSCompressRawDataSDD::AliITSCompressRawDataSDD():
	75	TObject(),
	76	fRawReader(0),
	77	fPointerToData(0),
	78	fSizeInMemory(0),
	79	fEventRange(kFALSE),
	80	fFirstEvent(0),
	81	fLastEvent(0)
	82	{
	83	// default constructor
	84	fNameFile="";
	85	}
	86	//______________________________________________________________________
7765ca40	87	AliITSCompressRawDataSDD::AliITSCompressRawDataSDD(TString filename):
7765ca40	88	TObject(),
f7bcb379	89	fRawReader(0),
	90	fPointerToData(0),
	91	fSizeInMemory(0),
7765ca40	92	fEventRange(kFALSE),
	93	fFirstEvent(0),
	94	fLastEvent(0)
	95	{
f7bcb379	96	// Contructor for tests
7765ca40	97	fNameFile=filename;
7765ca40	98	}
f7bcb379	99	//______________________________________________________________________
	100	AliITSCompressRawDataSDD::~AliITSCompressRawDataSDD(){
	101	// raw reader is passed from outdside, don't delete it
	102	}
	103
7765ca40	104	//______________________________________________________________________
7765ca40	105	void AliITSCompressRawDataSDD::Compress(){
f7bcb379	106	// Test method to dump raw data on ascii file
7765ca40	107	Int_t iev=0;
7765ca40	108	if(fEventRange) iev=fFirstEvent;
f7bcb379	109
f7bcb379	110	AliRawReader* rd;
7765ca40	111	if(fNameFile.Contains(".root")){
	112	rd=new AliRawReaderRoot(fNameFile.Data(),iev);
	113	}else{
	114	rd=new AliRawReaderDate(fNameFile.Data(),iev);
	115	}
f7bcb379	116
7765ca40	117	FILE *outtxt=fopen("data.txt","w");
947c828c	118
7765ca40	119	UInt_t word=0;
	120	do{
	121	rd->Reset();
	122
	123	AliITSRawStreamSDD s(rd);
6297cc01	124	s.SetDecompressAmbra(kFALSE);
7765ca40	125	while(s.Next()){
7765ca40	126	if(s.IsCompletedModule()==kFALSE){
	127	word=s.GetCarlosId()<<27;
	128	word+=s.GetChannel()<<26;
	129	word+=s.GetCoord1()<<18;
	130	word+=s.GetCoord2()<<10;
6297cc01	131	word+=s.GetEightBitSignal();
7765ca40	132	fprintf(outtxt,"%08X\n",word);
	133	}
	134	if(s.IsCompletedModule()==kTRUE){
	135	word=15<<28;
	136	word+=s.GetCarlosId();
	137	fprintf(outtxt,"%08X\n",word);
	138	}
	139	}
	140	iev++;
	141	if(fEventRange && iev>fLastEvent) break;
	142	}while(rd->NextEvent());
	143	fclose(outtxt);
	144	}
f7bcb379	145	//______________________________________________________________________
	146	UInt_t AliITSCompressRawDataSDD::CompressEvent(UChar_t* inputPtr){
	147	// Method to be used in HLT
	148	UInt_t siz=0;
	149	memcpy(fPointerToData,inputPtr,32); // event header, 8 words
	150	fPointerToData+=32;
	151	siz+=32;
	152	UInt_t word=0;
	153	AliITSRawStreamSDD s(fRawReader);
6297cc01	154	s.SetDecompressAmbra(kFALSE);
f7bcb379	155	Int_t mask1=0xFF000000;
	156	Int_t mask2=0x00FF0000;
	157	Int_t mask3=0x0000FF00;
	158	Int_t mask4=0x000000FF;
	159	while(s.Next()){
	160	if(s.IsCompletedModule()==kFALSE){
	161	word=s.GetCarlosId()<<27;
	162	word+=s.GetChannel()<<26;
	163	word+=s.GetCoord1()<<18;
	164	word+=s.GetCoord2()<<10;
6297cc01	165	word+=s.GetEightBitSignal();
f7bcb379	166	if(siz+4<fSizeInMemory){
2cc6c8fe	167	*(fPointerToData)=(word&mask4);
f7bcb379	168	++fPointerToData;
	169	*(fPointerToData)=(word&mask3)>>8;
	170	++fPointerToData;
2cc6c8fe	171	*(fPointerToData)=(word&mask2)>>16;
	172	++fPointerToData;
	173	*(fPointerToData)=(word&mask1)>>24;
f7bcb379	174	++fPointerToData;
	175	siz+=4;
	176	}
	177	}
	178	if(s.IsCompletedModule()==kTRUE){
	179	word=15<<28;
	180	word+=s.GetCarlosId();
	181	if(siz+4<fSizeInMemory){
2cc6c8fe	182	*(fPointerToData)=(word&mask4);
f7bcb379	183	++fPointerToData;
	184	*(fPointerToData)=(word&mask3)>>8;
	185	++fPointerToData;
2cc6c8fe	186	*(fPointerToData)=(word&mask2)>>16;
	187	++fPointerToData;
	188	*(fPointerToData)=(word&mask1)>>24;
f7bcb379	189	++fPointerToData;
	190	siz+=4;
	191	}
	192	}
	193	}
	194	return siz;
	195	}