]>
Commit | Line | Data |
---|---|---|
dd1b1dd1 | 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 | ||
bea6b2a4 | 16 | /* $Id$ */ |
17 | ||
dd1b1dd1 | 18 | /////////////////////////////////////////////////////////////////////////////// |
bea6b2a4 | 19 | /// |
20 | /// This class provides access to VME data in test beam raw data. | |
21 | /// | |
dd1b1dd1 | 22 | /////////////////////////////////////////////////////////////////////////////// |
23 | ||
24 | #include "AliVMERawStream.h" | |
25 | #include "AliRawReader.h" | |
26 | ||
27 | ClassImp(AliVMERawStream) | |
28 | ||
29 | ||
30 | ||
31 | AliVMERawStream::AliVMERawStream(AliRawReader* rawReader) : | |
32 | fRawReader(rawReader), | |
33 | fData(0), | |
34 | fNChannels(-1), | |
35 | fBlock(0), | |
36 | fNumber(0), | |
37 | fChannel(0), | |
38 | fValue(0), | |
39 | fTime(0), | |
40 | fTimeMuSec(0) | |
41 | { | |
42 | // create an object to read VME raw digits | |
43 | ||
44 | fRawReader = rawReader; | |
45 | ||
46 | ReadTDC(); | |
47 | ReadTime(); | |
48 | ||
49 | fRawReader->Reset(); | |
50 | fRawReader->SelectEquipment(551, 38, 38); | |
51 | } | |
52 | ||
dd1b1dd1 | 53 | Bool_t AliVMERawStream::Next() |
54 | { | |
55 | // read the next raw digit | |
56 | // returns kFALSE if there is no digit left | |
57 | ||
58 | // V551 string | |
59 | if (fNChannels == -1) { | |
60 | if (!fRawReader->ReadNextInt(fData)) return kFALSE; | |
61 | if (!CheckString("V551")) return kFALSE; | |
62 | fNChannels = 0; | |
63 | } | |
64 | ||
65 | while (fNChannels == 0) { | |
66 | // V550 or v551 string | |
67 | if (!fRawReader->ReadNextInt(fData)) { | |
68 | Error("Next", "incomplete equipment"); | |
69 | return kFALSE; | |
70 | } | |
71 | // check for v551 string (end of data) | |
72 | const char* v551 = "v551"; | |
73 | if (fData == *((UInt_t*) v551)) return kFALSE; | |
74 | if (!CheckString("V550")) return kFALSE; | |
75 | ||
76 | // block | |
77 | if (!fRawReader->ReadNextShort(fBlock)) { | |
78 | Error("Next", "incomplete equipment"); | |
79 | return kFALSE; | |
80 | } | |
81 | ||
82 | // serial number | |
83 | if (!fRawReader->ReadNextShort(fNumber)) { | |
84 | Error("Next", "incomplete equipment"); | |
85 | return kFALSE; | |
86 | } | |
87 | ||
88 | // number of channels | |
a6438609 | 89 | if (!fRawReader->ReadNextInt((UInt_t&) fNChannels)) { |
dd1b1dd1 | 90 | Error("Next", "incomplete equipment"); |
91 | return kFALSE; | |
92 | } | |
93 | } | |
94 | ||
95 | if (!fRawReader->ReadNextInt(fData)) { | |
96 | Error("Next", "incomplete equipment"); | |
97 | return kFALSE; | |
98 | } | |
99 | fChannel = (fData >> 12) & 0x03ff; | |
100 | fValue = fData & 0x0fff; | |
101 | fNChannels--; | |
102 | ||
103 | return kTRUE; | |
104 | } | |
105 | ||
106 | ||
107 | ||
108 | Bool_t AliVMERawStream::CheckString(const char* str) const | |
109 | { | |
110 | // check fData to be equal to the given string | |
111 | ||
112 | if (fData != *((UInt_t*) str)) { | |
113 | char strData[5]; | |
114 | memcpy(strData, &fData, 4); | |
115 | strData[4] = 0; | |
116 | Error("CheckString", "invalid %s string (%s)", str, strData); | |
117 | return kFALSE; | |
118 | } | |
119 | return kTRUE; | |
120 | } | |
121 | ||
122 | Bool_t AliVMERawStream::ReadTDC() | |
123 | { | |
124 | // read the TDC information | |
125 | ||
126 | fRawReader->Reset(); | |
127 | fRawReader->SelectEquipment(775, 72, 72); | |
128 | ||
129 | // V775 string | |
130 | if (!fRawReader->ReadNextInt(fData)) return kFALSE; | |
131 | if (!CheckString("V775")) return kFALSE; | |
132 | ||
133 | // header | |
134 | if (!fRawReader->ReadNextInt(fData)) { | |
135 | Error("ReadTDC", "incomplete TDC equipment"); | |
136 | return kFALSE; | |
137 | } | |
138 | if ((fData & 0x02000000) == 0) { | |
139 | Error("ReadTDC", "invalid header: 0x%x", fData); | |
140 | return kFALSE; | |
141 | } | |
142 | ||
143 | // check the array size | |
144 | Int_t nTDC = fRawReader->GetDataSize() / 4 - 4; // - V775,header,counter,v775 | |
145 | if ( nTDC != 3 ) { | |
146 | Error("ReadTDC", "wrong number of TDC channels: %d", nTDC); | |
147 | return kFALSE; | |
148 | } | |
149 | ||
150 | // TDC data | |
151 | for (Int_t i = 0; i < fgkNTDC; i++) { | |
152 | if (!fRawReader->ReadNextInt(fData)) { | |
153 | Error("ReadTDC", "incomplete TDC equipment"); | |
154 | return kFALSE; | |
155 | } | |
156 | if (fData & 0x07000000) { | |
157 | Warning("ReadTDC", "bad TDC data: %x", fData); | |
158 | } | |
159 | if ((fData & 0x00004000) == 0) { | |
160 | Warning("ReadTDC", "TDC data not valid: %x", fData); | |
161 | } | |
162 | if (fData & 0x00002000) { | |
163 | Warning("ReadTDC", "TDC data underflow: %x", fData); | |
164 | } | |
165 | if (fData & 0x00001000) { | |
166 | Warning("ReadTDC", "TDC data overflow: %x", fData); | |
167 | } | |
168 | fTDCChannel[i] = (fData >> 16) & 0x1f; | |
169 | fTDCValue[i] = fData & 0x0fff; | |
170 | } | |
171 | ||
172 | // counter | |
173 | if (!fRawReader->ReadNextInt(fData)) { | |
174 | Error("ReadTDC", "incomplete TDC equipment"); | |
175 | return kFALSE; | |
176 | } | |
177 | if ((fData & 0x04000000) == 0) { | |
178 | Error("ReadTDC", "invalid counter: 0x%x", fData); | |
179 | return kFALSE; | |
180 | } | |
181 | ||
182 | // v775 string | |
183 | if (!fRawReader->ReadNextInt(fData)) { | |
184 | Error("ReadTDC", "incomplete TDC equipment"); | |
185 | return kFALSE; | |
186 | } | |
187 | if (!CheckString("v775")) return kFALSE; | |
188 | ||
189 | return kTRUE; | |
190 | } | |
191 | ||
192 | Bool_t AliVMERawStream::ReadTime() | |
193 | { | |
194 | // read the time information | |
195 | ||
196 | fRawReader->Reset(); | |
197 | fRawReader->SelectEquipment(1970, 0x12345678, 0x12345678); | |
198 | ||
199 | // TIME string | |
200 | if (!fRawReader->ReadNextInt(fData)) return kFALSE; | |
201 | if (!CheckString("TIME")) return kFALSE; | |
202 | ||
203 | // time value | |
204 | if (!fRawReader->ReadNextInt(fTime)) { | |
205 | Error("ReadTime", "incomplete time equipment"); | |
206 | return kFALSE; | |
207 | } | |
208 | ||
209 | // micro seconds value | |
210 | if (!fRawReader->ReadNextInt(fTimeMuSec)) { | |
211 | Error("ReadTime", "incomplete time equipment"); | |
212 | return kFALSE; | |
213 | } | |
214 | ||
215 | // time string | |
216 | if (!fRawReader->ReadNextInt(fData)) { | |
217 | Error("ReadTime", "incomplete time equipment"); | |
218 | return kFALSE; | |
219 | } | |
220 | if (!CheckString("time")) return kFALSE; | |
221 | ||
222 | return kTRUE; | |
223 | } |