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4347b38f | 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 | ||
e802be3e | 18 | //____________________________________________________________________ |
4347b38f | 19 | // |
20 | // Buffer to read RAW ALTRO FMD format from a AliRawReader | |
21 | // | |
7684b53c | 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. | |
4347b38f | 27 | // |
e802be3e | 28 | #include "AliFMDRawStream.h" // ALIFMDRAWSTREAM_H |
02a27b50 | 29 | // #include <AliRawReader.h> // ALIRAWREADER_H |
c2fc1258 | 30 | #include "AliFMDParameters.h" |
f95a63c4 | 31 | // #include <AliLog.h> |
32 | #include "AliFMDDebug.h" // Better debug macros | |
02a27b50 | 33 | // #include <iomanip> |
34 | // #include <iostream> | |
4347b38f | 35 | |
36 | //____________________________________________________________________ | |
925e6570 | 37 | ClassImp(AliFMDRawStream) |
1a1fdef7 | 38 | #if 0 |
39 | ; // This is here to keep Emacs for indenting the next line | |
40 | #endif | |
4347b38f | 41 | |
42 | //____________________________________________________________________ | |
c2fc1258 | 43 | AliFMDRawStream::AliFMDRawStream(AliRawReader* reader) |
44 | : AliAltroRawStream(reader) | |
e802be3e | 45 | { |
02a27b50 | 46 | // CTOR |
c2fc1258 | 47 | fNoAltroMapping = kFALSE; |
55f0ce5b | 48 | // Select FMD DDL's |
362c9d61 | 49 | SelectRawData("FMD"); |
1e8f773e | 50 | } |
51 | ||
52 | //_____________________________________________________________________________ | |
53 | Bool_t | |
c2fc1258 | 54 | AliFMDRawStream::ReadChannel(UInt_t& ddl, UInt_t& addr, |
55 | UInt_t& len, UShort_t* data) | |
1e8f773e | 56 | { |
02a27b50 | 57 | // Read one channel and return. Returns 0 when there's no more |
58 | // data. | |
c2fc1258 | 59 | Int_t l = 0; |
60 | static Int_t last = 0xFFFF; // 0xFFFF means signal is used | |
61 | Bool_t next = kTRUE; | |
62 | do { | |
63 | Int_t signal = last; | |
64 | if (last > 0x3FF) { | |
f95a63c4 | 65 | AliFMDDebug(30, ("Last is 0x%x, so reading a new word", last)); |
c2fc1258 | 66 | next = Next(); |
2b893216 | 67 | if(!next){ |
2aeec17d | 68 | AliFMDDebug(15, ("Read word # %d (!next)", l)); |
2b893216 | 69 | addr = GetPrevHWAddress(); |
70 | ddl = GetPrevDDLNumber(); | |
71 | len = l+1; // Need to add one - l points to last valid index | |
72 | last = signal; | |
73 | break; | |
74 | } | |
c2fc1258 | 75 | signal = GetSignal(); |
76 | if (GetHWAddress() != GetPrevHWAddress() && GetPrevHWAddress() >= 0) { | |
f95a63c4 | 77 | AliFMDDebug(15, ("New hardware address, was 0x%x, now 0x%x", |
c2fc1258 | 78 | GetPrevHWAddress(), GetHWAddress())); |
79 | addr = GetPrevHWAddress(); | |
362c9d61 | 80 | ddl = GetPrevDDLNumber(); |
55f0ce5b | 81 | len = l+1; // Need to add one - l points to last valid index |
c2fc1258 | 82 | last = signal; |
83 | break; | |
84 | } | |
1e8f773e | 85 | } |
c2fc1258 | 86 | Int_t t = GetTime(); |
87 | l = TMath::Max(l, t); | |
88 | data[t] = signal; | |
89 | last = 0xFFFF; | |
90 | } while (next); | |
91 | return next; | |
1e8f773e | 92 | } |
93 | ||
4347b38f | 94 | |
4347b38f | 95 | //_____________________________________________________________________________ |
96 | // | |
97 | // EOF | |
98 | // |