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5ca4e0a0 | 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 | // Interface to the Altro format | |
17 | // to read and write digits | |
18 | // To be used in Alice Data Challenges | |
19 | // and in the compression of the RAW data | |
20 | ||
21 | #include "AliAltroBufferV3.h" | |
22 | #include "AliRawDataHeaderSim.h" | |
23 | #include "AliLog.h" | |
24 | #include "AliFstream.h" | |
25 | ||
26 | ClassImp(AliAltroBufferV3) | |
27 | ||
28 | //_____________________________________________________________________________ | |
29 | AliAltroBufferV3::AliAltroBufferV3(const char* fileName, AliAltroMapping *mapping): | |
30 | AliAltroBuffer(fileName,mapping), | |
38f5da76 | 31 | fN(0), |
32 | fFECERRA(0), | |
33 | fFECERRB(0), | |
34 | fERRREG2(0), | |
35 | fERRREG3(0), | |
36 | fActiveFECsA(0xffff), | |
37 | fActiveFECsB(0xffff), | |
38 | fALTROCFG1(0), | |
39 | fALTROCFG2(0), | |
40 | fTSample(0), | |
41 | fL1Phase(0) | |
5ca4e0a0 | 42 | { |
43 | // Constructor | |
93d2d7c4 | 44 | memset(fArray, 0, kMaxWords*sizeof(UShort_t)); |
5ca4e0a0 | 45 | } |
46 | ||
47 | //_____________________________________________________________________________ | |
48 | AliAltroBufferV3::~AliAltroBufferV3() | |
49 | { | |
50 | // destructor | |
5ca4e0a0 | 51 | } |
52 | ||
53 | //_____________________________________________________________________________ | |
54 | AliAltroBufferV3::AliAltroBufferV3(const AliAltroBufferV3& source): | |
55 | AliAltroBuffer(source), | |
38f5da76 | 56 | fN(source.fN), |
57 | fFECERRA(source.fFECERRA), | |
58 | fFECERRB(source.fFECERRB), | |
59 | fERRREG2(source.fERRREG2), | |
60 | fERRREG3(source.fERRREG3), | |
61 | fActiveFECsA(source.fActiveFECsA), | |
62 | fActiveFECsB(source.fActiveFECsB), | |
63 | fALTROCFG1(source.fALTROCFG1), | |
64 | fALTROCFG2(source.fALTROCFG2), | |
65 | fTSample(source.fTSample), | |
66 | fL1Phase(source.fL1Phase) | |
5ca4e0a0 | 67 | { |
68 | // Copy Constructor | |
69 | ||
70 | Fatal("AliAltroBufferV3", "copy constructor not implemented"); | |
71 | } | |
72 | ||
73 | //_____________________________________________________________________________ | |
74 | AliAltroBufferV3& AliAltroBufferV3::operator = (const AliAltroBufferV3& /*source*/) | |
75 | { | |
76 | //Assigment operator | |
38f5da76 | 77 | #if 0 |
78 | fFECERRA = source.fFECERRA; | |
79 | fFECERRB = source.fFECERRB; | |
80 | fERRREG2 = source.fERRREG2; | |
81 | fERRREG3 = source.fERRREG3; | |
82 | fActiveFECsA = source.fActiveFECsA; | |
83 | fActiveFECsB = source.fActiveFECsB; | |
84 | fALTROCFG1 = source.fALTROCFG1; | |
85 | fALTROCFG2 = source.fALTROCFG2; | |
86 | fTSample = source.fTSample; | |
87 | fL1Phase = source.fL1Phase; | |
88 | #endif | |
5ca4e0a0 | 89 | |
90 | Fatal("operator =", "assignment operator not implemented"); | |
91 | return *this; | |
92 | } | |
93 | ||
94 | //_____________________________________________________________________________ | |
95 | void AliAltroBufferV3::FillBuffer(Int_t val) | |
96 | { | |
97 | //Fills the Buffer with 16 ten bits words and write into a file | |
98 | ||
99 | if ((val > 0x3FF) || (val < 0)) { | |
100 | Error("FillBuffer", "Value out of range (10 bits): %d", val); | |
101 | val = 0x3FF; | |
102 | } | |
103 | ||
104 | if (fN >= (kMaxWords-1)) { | |
105 | Error("FillBuffer","Altro channel can't have more than 1024 10-bit words!"); | |
106 | return; | |
107 | } | |
108 | ||
109 | fArray[fN++] = val; | |
110 | } | |
111 | ||
112 | //_____________________________________________________________________________ | |
113 | void AliAltroBufferV3::WriteTrailer(Int_t wordsNumber, Short_t hwAddress) | |
114 | { | |
115 | //Writes a trailer (header) of 32 bits using | |
116 | //a given hardware adress | |
117 | UInt_t temp = hwAddress & 0xFFF; | |
69763d52 | 118 | temp |= ((wordsNumber & 0x3FF) << 16); |
aea0bb6b | 119 | temp |= (0x1U << 30); |
5ca4e0a0 | 120 | |
121 | fFile->WriteBuffer((char *)(&temp),sizeof(UInt_t)); | |
122 | ||
123 | ReverseAndWrite(); | |
124 | } | |
125 | ||
38f5da76 | 126 | //_____________________________________________________________________________ |
127 | UInt_t AliAltroBufferV3::SetField(UInt_t& input, UShort_t start, UInt_t mask, UInt_t val) const | |
128 | { | |
129 | UInt_t out = (mask << start); | |
130 | UInt_t fld = (val << start) & out; | |
131 | input &= ~out; | |
132 | input |= fld; | |
133 | return input; | |
134 | } | |
135 | ||
5ca4e0a0 | 136 | //_____________________________________________________________________________ |
137 | void AliAltroBufferV3::ReverseAndWrite() | |
138 | { | |
139 | // Reverse the altro data order and | |
140 | // write the buffer to the file | |
141 | UInt_t temp = 0; | |
142 | Int_t shift = 20; | |
69763d52 | 143 | for(Int_t i = (fN-1); i >= 0; i--) { |
5ca4e0a0 | 144 | temp |= (fArray[i] << shift); |
145 | shift -= 10; | |
146 | if (shift < 0) { | |
147 | fFile->WriteBuffer((char *)(&temp),sizeof(UInt_t)); | |
148 | temp = 0; | |
149 | shift = 20; | |
150 | } | |
151 | } | |
152 | ||
153 | if (shift != 20) { | |
154 | fFile->WriteBuffer((char *)(&temp),sizeof(UInt_t)); | |
155 | } | |
156 | ||
157 | fN = 0; | |
158 | } | |
159 | ||
160 | //_____________________________________________________________________________ | |
b73dbf18 | 161 | UChar_t AliAltroBufferV3::WriteRCUTrailer(Int_t rcuId) |
5ca4e0a0 | 162 | { |
163 | // Writes the RCU trailer | |
164 | // rcuId the is serial number of the corresponding | |
165 | // RCU. The basic format of the trailer can be | |
166 | // found in the RCU manual. | |
167 | // This method should be called at the end of | |
168 | // raw data writing. | |
169 | ||
170 | UInt_t currentFilePos = fFile->Tellp(); | |
171 | UInt_t size = currentFilePos-fDataHeaderPos; | |
172 | size -= sizeof(AliRawDataHeader); | |
b73dbf18 | 173 | size /= 4; |
5ca4e0a0 | 174 | |
b73dbf18 | 175 | if (size > 0x3FFFFFF) { |
176 | AliFatal(Form("The current raw data payload size of %d is bigger than the max possible one ! Can not write the RCU trailer !",size)); | |
177 | return 2; | |
5ca4e0a0 | 178 | } |
179 | ||
b73dbf18 | 180 | // Now add the the RCU trailer tag |
aea0bb6b | 181 | size |= (1U << 31); |
5ca4e0a0 | 182 | fFile->WriteBuffer((char *)(&size),sizeof(UInt_t)); |
183 | ||
b73dbf18 | 184 | // Now several well defined fields contained |
185 | // in the trailer | |
186 | // For details check the RCU manual | |
187 | UInt_t buffer; | |
188 | ||
aea0bb6b | 189 | buffer = (0x1U << 26); |
190 | buffer |= (0x1U << 31); | |
b73dbf18 | 191 | fFile->WriteBuffer((char *)(&buffer),sizeof(UInt_t)); |
38f5da76 | 192 | |
193 | buffer = (fERRREG2 & 0x3FFFFFF); | |
194 | buffer |= (0x2U << 26); | |
aea0bb6b | 195 | buffer |= (0x1U << 31); |
b73dbf18 | 196 | fFile->WriteBuffer((char *)(&buffer),sizeof(UInt_t)); |
197 | ||
38f5da76 | 198 | buffer = (fERRREG3 & 0x3FFFFFF); |
199 | buffer |= (0x3U << 26); | |
aea0bb6b | 200 | buffer |= (0x1U << 31); |
b73dbf18 | 201 | fFile->WriteBuffer((char *)(&buffer),sizeof(UInt_t)); |
202 | ||
38f5da76 | 203 | buffer = (fActiveFECsA & 0x3FFFFFF); |
aea0bb6b | 204 | buffer |= (0x4U << 26); |
205 | buffer |= (0x1U << 31); | |
38f5da76 | 206 | fFile->WriteBuffer((char *)(&buffer),sizeof(UInt_t)); |
207 | ||
208 | buffer = (fActiveFECsB & 0x3FFFFFF); | |
aea0bb6b | 209 | buffer |= (0x5U << 26); |
210 | buffer |= (0x1U << 31); | |
b73dbf18 | 211 | fFile->WriteBuffer((char *)(&buffer),sizeof(UInt_t)); |
212 | ||
38f5da76 | 213 | buffer = (fALTROCFG1 & 0x3FFFFFF); |
214 | buffer |= (0x6U << 26); | |
aea0bb6b | 215 | buffer |= (0x1U << 31); |
b73dbf18 | 216 | fFile->WriteBuffer((char *)(&buffer),sizeof(UInt_t)); |
217 | ||
38f5da76 | 218 | buffer = (fALTROCFG2 & 0x3FFFFFF); |
219 | buffer |= (0x7U << 26); | |
aea0bb6b | 220 | buffer |= (0x1U << 31); |
b73dbf18 | 221 | fFile->WriteBuffer((char *)(&buffer),sizeof(UInt_t)); |
5ca4e0a0 | 222 | |
223 | // Now the RCU identifier and size of the trailer | |
b73dbf18 | 224 | buffer = (9 & 0x7F); |
5ca4e0a0 | 225 | buffer |= ((rcuId & 0x1FF) << 7); |
aea0bb6b | 226 | buffer |= (0x2U << 16); |
227 | buffer |= (0x8U << 26); | |
228 | buffer |= (0x3U << 30); | |
5ca4e0a0 | 229 | fFile->WriteBuffer((char *)(&buffer),sizeof(UInt_t)); |
230 | ||
b73dbf18 | 231 | return 2; |
5ca4e0a0 | 232 | } |