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 **************************************************************************/
18 //____________________________________________________________________
20 // Buffer to read RAW ALTRO FMD format from a AliRawReader
22 // This class derives from AliAltroBuffer, but overloads the memer
23 // function Next to do some extra processing. In particular, it tries
24 // to autodetect the sample rate. If zero-suppression was used when
25 // writing the raw data, then the automatic discovery will not work,
26 // and the sample rate should be set explicitly.
28 #include "AliFMDRawStream.h" // ALIFMDRAWSTREAM_H
29 // #include <AliRawReader.h> // ALIRAWREADER_H
30 #include "AliFMDParameters.h"
33 // #include <iostream>
35 //____________________________________________________________________
36 ClassImp(AliFMDRawStream)
38 ; // This is here to keep Emacs for indenting the next line
41 //____________________________________________________________________
42 AliFMDRawStream::AliFMDRawStream(AliRawReader* reader)
43 : AliAltroRawStream(reader)
46 fNoAltroMapping = kFALSE;
51 //_____________________________________________________________________________
53 AliFMDRawStream::ReadChannel(UInt_t& ddl, UInt_t& addr,
54 UInt_t& len, UShort_t* data)
56 // Read one channel and return. Returns 0 when there's no more
59 static Int_t last = 0xFFFF; // 0xFFFF means signal is used
64 AliDebug(30, Form("Last is 0x%x, so reading a new word", last));
68 if (GetHWAddress() != GetPrevHWAddress() && GetPrevHWAddress() >= 0) {
69 AliDebug(15, Form("New hardware address, was 0x%x, now 0x%x",
70 GetPrevHWAddress(), GetHWAddress()));
71 addr = GetPrevHWAddress();
72 ddl = GetPrevDDLNumber();
73 len = l+1; // Need to add one - l points to last valid index
87 //_____________________________________________________________________________