1 /**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
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 **************************************************************************/
21 #include "AliTPCMonitorAltro.h"
24 ClassImp(AliTPCMonitorAltro)
26 //_____________________________________________________________________________________________
27 AliTPCMonitorAltro::AliTPCMonitorAltro(UInt_t* memory, Int_t size, Int_t fformat)
29 // Constructor: Set different CDH offsets for root(0) and date format
32 fallocate40BitArray = false;
33 fallocate10BitArray = false;
35 if( fformat==0) foffset=7; // old CHD Format
36 else if(fformat==1) foffset=8; // memory pointer form DATE (start CDH)
37 else if(fformat==2) foffset=0; // memory pointer form ROOT (after CDH)
46 ffilename = new Char_t[256];
49 //_____________________________________________________________________________________________
50 AliTPCMonitorAltro::~AliTPCMonitorAltro() {
52 if(fallocate40BitArray == true) delete[] f40BitArray;
53 if(fallocate10BitArray == true) delete[] f10BitArray;
57 //_____________________________________________________________________________________________
58 void AliTPCMonitorAltro::Allocate40BitArray()
60 // create array for 40 bit decoded data
61 fallocate40BitArray = true;
62 f40BitArray = new long long[Get40BitArraySize()];
65 //_____________________________________________________________________________________________
66 void AliTPCMonitorAltro::Allocate10BitArray()
68 // Create array for 10 bit decoded data
69 fallocate10BitArray = true;
70 f10BitArray = new Short_t[Get10BitArraySize()];
73 //_____________________________________________________________________________________________
74 long long *AliTPCMonitorAltro::Get40BitArray()
76 // Return pointer to array for 40 bit decoded data
80 //_____________________________________________________________________________________________
81 Short_t *AliTPCMonitorAltro::Get10BitArray()
83 // Return pointer to array for 10 bit decoded data
87 //_____________________________________________________________________________________________
88 Int_t AliTPCMonitorAltro::Get40BitArraySize()
90 // Return number of 40 bit words in payload
91 return fmemory[fsize-1];
94 //_____________________________________________________________________________________________
95 Int_t AliTPCMonitorAltro::Get10BitArraySize()
97 // Return number of 10 bit words in payload
98 return fmemory[fsize-1]*4;
101 //_____________________________________________________________________________________________
102 void AliTPCMonitorAltro::Decodeto40Bit()
104 // Decode 32 bit words in fmemory to 40 bit words
105 Long64_t blackbox = 0;
108 for(Int_t i = 0; i < Get40BitArraySize(); i++)
113 blackbox = (fmemory[foffset]) + (((Long64_t)(fmemory[foffset+1]&k08BitOn))<<32);
117 blackbox = (fmemory[foffset]>>8 ) + (((Long64_t)(fmemory[foffset+1]&k16BitOn))<<24);
121 blackbox = (fmemory[foffset]>>16) + (((Long64_t)(fmemory[foffset+1]&k24BitOn))<<16);
125 blackbox = (fmemory[foffset]>>24) + (((Long64_t)(fmemory[foffset+1] ))<< 8);
132 f40BitArray[i] = blackbox;
136 //_____________________________________________________________________________________________
137 void AliTPCMonitorAltro::Decodeto10Bit(Int_t equipment)
139 // Decode 32 bit words in fmemory to 10 bit words.
140 // Write words to file if fwrite10bit ("Write 10 bit" in Monitor.C Gui ) is set
142 Long64_t blackbox = 0;
148 Char_t nameout[256] ; sprintf(nameout,"%s_PayloadEquipmentId_%03i.txt",ffilename,equipment);
149 datout.open(nameout);
150 AliInfo(Form("AliTPCMonitorAltro::decodeto10Bit : Write Data to %s",nameout));
151 if(foffset==0) datout << "Payload without CDH in 10bit words " << endl;
152 else datout << "CDH in 32 bit hex words words (" << foffset << " lines ) followed by payload in 10 bit words " << endl;
153 for(Int_t ih = 0; ih< foffset ; ih++)
155 datout << hex << fmemory[ih] << endl;
159 for(Int_t ind = 0; ind < Get40BitArraySize(); ind++)
165 blackbox = (fmemory[foffset]) + (((Long64_t)(fmemory[foffset+1]&k08BitOn))<<32);
169 blackbox = (fmemory[foffset]>>8 ) + (((Long64_t)(fmemory[foffset+1]&k16BitOn))<<24);
173 blackbox = (fmemory[foffset]>>16) + (((Long64_t)(fmemory[foffset+1]&k24BitOn))<<16);
177 blackbox = (fmemory[foffset]>>24) + (((Long64_t)(fmemory[foffset+1] ))<< 8);
184 f10BitArray[ind*4+0] = (Short_t)( blackbox & kmask10 ) ;
185 f10BitArray[ind*4+1] = (Short_t)((blackbox & kmask20)>>10);
186 f10BitArray[ind*4+2] = (Short_t)((blackbox & kmask30)>>20);
187 f10BitArray[ind*4+3] = (Short_t)((blackbox & kmask40)>>30);
191 for(Int_t ind = 0; ind < Get40BitArraySize(); ind++)
193 datout << dec << f10BitArray[ind*4+0] << "\n";
194 datout << dec << f10BitArray[ind*4+1] << "\n";
195 datout << dec << f10BitArray[ind*4+2] << "\n";
196 datout << dec << f10BitArray[ind*4+3] << "\n";
200 if(fwrite10bit) datout.close();
203 //_____________________________________________________________________________________________
204 Int_t AliTPCMonitorAltro::DecodeTrailer(Int_t pos)
206 // Decode the trailer word starting at position pos in fmemory
207 // Check if information leads to proper next trailer position
214 Long64_t trailer = 0;
218 for(Long64_t iter = 0 ; iter<4;iter++)
220 carry = f10BitArray[pos-iter] ;
221 carry = ( carry << (30- ((iter)*10)));
225 fTrailerHwAddress = (trailer & ((Long64_t )kTrailerMaskHardw) );
226 words = (Long64_t )( (trailer & ((Long64_t )kTrailerMaskNWords))>>16);
227 tail = (Long64_t )( (trailer & ((Long64_t )kTrailerMaskTail ))>>26 );
229 if(words%4!=0) rest = 4-(words%4);
230 fTrailerNWords = words+rest ;
231 fTrailerDataPos = pos -4 -rest ;
232 fTrailerBlockPos = pos -4 ;
233 fNextPos = (pos -fTrailerNWords -4);
235 if( tail!=kTrailerTail ) { AliError(Form("Could not read Trailer. \"Write 10bit\" for this event. Last Trailer line (2AA): %i. Supp.next Trailer line (2AA): %i ",pos,fNextPos)); return -1; }
236 else if( fNextPos==-1 ) { /* was last channel */ return 0; }
237 else if( fNextPos <0 ) { AliError("Next Trailer position < 0 "); return -1; }
238 else if((f10BitArray[fNextPos]!=682)) { AliError(Form("Could not find tail (2AA) at next supposed position %i",fNextPos)); return -1; }
239 else { return fNextPos;}