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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 | // This class handles the mapping of the Altro channels | |
17 | // The mapping is read from an external mapping files | |
18 | // The class is used as a base class by TPC,PHOS and FMD | |
19 | // Author: C.Cheshkov | |
20 | ||
21 | #include "AliAltroMapping.h" | |
22 | #include "AliLog.h" | |
23 | #include <Riostream.h> | |
24 | ||
25 | ||
26 | ClassImp(AliAltroMapping) | |
27 | ||
28 | //_____________________________________________________________________________ | |
29 | AliAltroMapping::AliAltroMapping(): | |
30 | fIn(NULL), | |
31 | fNumberOfChannels(0), | |
32 | fMaxHWAddress(0), | |
33 | fMappingSize(0), | |
34 | fMapping(NULL) | |
35 | { | |
36 | // Default constructor | |
37 | } | |
38 | ||
39 | //_____________________________________________________________________________ | |
40 | AliAltroMapping::AliAltroMapping(const char *mappingFile): | |
41 | fIn(NULL), | |
42 | fNumberOfChannels(0), | |
43 | fMaxHWAddress(0), | |
44 | fMappingSize(0), | |
45 | fMapping(NULL) | |
46 | { | |
47 | // Constructor | |
48 | // Reads the mapping from an external file | |
49 | if (mappingFile) | |
50 | OpenMappingFile(mappingFile); | |
51 | else | |
52 | AliFatal("Mapping file not specified !"); | |
53 | } | |
54 | ||
55 | //_____________________________________________________________________________ | |
56 | AliAltroMapping::~AliAltroMapping() | |
57 | { | |
58 | // destructor | |
59 | CloseMappingFile(); | |
60 | ||
61 | if (fMapping) delete [] fMapping; | |
62 | } | |
63 | ||
64 | //_____________________________________________________________________________ | |
65 | Bool_t AliAltroMapping::OpenMappingFile(const char *mappingFile) | |
66 | { | |
67 | // Initalizes the ALTRO mapping from a file | |
68 | // Look at the TPC module for the format of | |
69 | // the mapping file | |
70 | fIn = new ifstream(mappingFile); | |
71 | if (!*fIn) { | |
72 | AliFatal(Form("Missing mapping file (%s) !",mappingFile)); | |
73 | CloseMappingFile(); | |
74 | return kFALSE; | |
75 | } | |
76 | if (!(*fIn >> fNumberOfChannels)) { | |
77 | AliFatal(Form("Syntax of the mapping file is wrong (%s) !",mappingFile)); | |
78 | CloseMappingFile(); | |
79 | return kFALSE; | |
80 | } | |
81 | if (!(*fIn >> fMaxHWAddress)) { | |
82 | AliFatal(Form("Syntax of the mapping file is wrong (%s) !",mappingFile)); | |
83 | CloseMappingFile(); | |
84 | return kFALSE; | |
85 | } | |
86 | ||
87 | return kTRUE; | |
88 | } | |
89 | ||
90 | //_____________________________________________________________________________ | |
91 | void AliAltroMapping::CloseMappingFile() | |
92 | { | |
93 | // Closes the external mapping | |
94 | // file | |
95 | if (fIn) { | |
96 | fIn->close(); | |
97 | delete fIn; | |
98 | fIn = NULL; | |
99 | } | |
100 | } |