3 //**************************************************************************
4 //* This file is property of and copyright by the ALICE HLT Project *
5 //* ALICE Experiment at CERN, All rights reserved. *
7 //* Primary Authors: Matthias Richter <Matthias.Richter@ift.uib.no> *
8 //* for The ALICE HLT Project. *
10 //* Permission to use, copy, modify and distribute this software and its *
11 //* documentation strictly for non-commercial purposes is hereby granted *
12 //* without fee, provided that the above copyright notice appears in all *
13 //* copies and that both the copyright notice and this permission notice *
14 //* appear in the supporting documentation. The authors make no claims *
15 //* about the suitability of this software for any purpose. It is *
16 //* provided "as is" without express or implied warranty. *
17 //**************************************************************************
19 /// @file AliHLTAltroChannelSelectorComponent.cxx
20 /// @author Matthias Richter edited by Jason Glyndwr Ulery
22 /// @brief A filter/selective readout component for Altro data.
27 #include "AliHLTAltroChannelSelectorComponent.h"
28 #include "AliHLTErrorGuard.h"
29 #include "AliHLTDAQ.h"
30 #include "AliRawReaderMemory.h"
31 #include "AliAltroRawStreamV3.h"
34 /** ROOT macro for the implementation of ROOT specific class methods */
35 ClassImp(AliHLTAltroChannelSelectorComponent)
37 AliHLTAltroChannelSelectorComponent::AliHLTAltroChannelSelectorComponent()
47 // see header file for class documentation
49 // refer to README to build package
51 // visit http://web.ift.uib.no/~kjeks/doc/alice-hlt
54 AliHLTAltroChannelSelectorComponent::~AliHLTAltroChannelSelectorComponent()
56 // see header file for class documentation
59 const char* AliHLTAltroChannelSelectorComponent::GetComponentID()
61 // see header file for class documentation
62 return "AltroChannelSelector";
65 void AliHLTAltroChannelSelectorComponent::GetInputDataTypes(AliHLTComponentDataTypeList& list)
67 // see header file for class documentation
69 list.push_back(kAliHLTDataTypeDDLRaw|kAliHLTDataOriginTPC);
70 list.push_back(kAliHLTDataTypeHwAddr16);
73 AliHLTComponentDataType AliHLTAltroChannelSelectorComponent::GetOutputDataType()
75 // see header file for class documentation
76 return kAliHLTDataTypeDDLRaw|kAliHLTDataOriginTPC;
79 void AliHLTAltroChannelSelectorComponent::GetOutputDataSize(unsigned long& constBase, double& inputMultiplier)
81 // see header file for class documentation
86 AliHLTComponent* AliHLTAltroChannelSelectorComponent::Spawn()
88 // see header file for class documentation
89 return new AliHLTAltroChannelSelectorComponent;
92 int AliHLTAltroChannelSelectorComponent::DoInit(int argc, const char** argv)
94 // see header file for class documentation
100 for (; i<argc && iResult>=0; i++) {
103 if (argument.IsNull()) continue;
105 // -skip-corrupted, just for backward compatibility, not announced
106 if (argument.CompareTo("-skip-corrupted")==0) {
110 } else if (argument.CompareTo("-keep-corrupted")==0) {
111 fSkipCorrupted=false;
114 } else if (argument.CompareTo("-talkative")==0) {
118 } else if (argument.CompareTo("-start-timebin")==0) {
119 if ((bMissingParam=(++i>=argc))) break;
120 fStartTimeBin = strtoul( argv[i], &cpErr ,0);
124 } else if (argument.CompareTo("-end-timebin")==0) {
125 if ((bMissingParam=(++i>=argc))) break;
126 fEndTimeBin = strtoul( argv[i], &cpErr ,0);
130 } else if (argument.CompareTo("-signal-threshold")==0) {
131 if ((bMissingParam=(++i>=argc))) break;
132 fSignalThreshold = strtoul( argv[i], &cpErr ,0);
136 } else if (argument.CompareTo("-rms-threshold")==0) {
137 if ((bMissingParam=(++i>=argc))) break;
138 fRMSThreshold = strtoul( argv[i], &cpErr ,0);
142 HLTError("unknown argument %s", argument.Data());
147 if (cpErr && *cpErr) {
148 HLTError("Cannot convert specifier '%s' for argument '%s'", argv[i], argument.Data());
150 } else if (bMissingParam) {
151 HLTError("missing parameter for argument %s", argument.Data());
158 int AliHLTAltroChannelSelectorComponent::DoDeinit()
160 // see header file for class documentation
164 int AliHLTAltroChannelSelectorComponent::DoEvent(const AliHLTComponentEventData& evtData,
165 const AliHLTComponentBlockData* blocks,
166 AliHLTComponentTriggerData& /*trigData*/,
167 AliHLTUInt8_t* outputPtr,
168 AliHLTUInt32_t& size,
169 AliHLTComponentBlockDataList& outputBlocks )
171 // see header file for class documentation
173 AliHLTUInt32_t iCapacity=size;
176 const int cdhSize=32;//8 32-bit words so 32 bytes
177 const int rcuSize=36;//9 32-bit words
179 if (!IsDataEvent()) {
184 // process the DLL input
186 const AliHLTComponentBlockData* pDesc=NULL;
187 std::auto_ptr<AliRawReaderMemory> pRawReader(new AliRawReaderMemory);
188 if (!pRawReader.get()) return -ENOMEM;
190 for (pDesc=GetFirstInputBlock(kAliHLTDataTypeDDLRaw); pDesc!=NULL; pDesc=GetNextInputBlock(), blockno++) {
192 if (pDesc->fSize<=32) {
196 // search for the active pad information
197 AliHLTUInt16_t* pActiveHwAddressArray=NULL;
199 if (fSignalThreshold==0 && fRMSThreshold==0) {
200 for (int i=0; i<(int)evtData.fBlockCnt; i++ ) {
201 // search for selection data of hw address type
202 // which matches the data specification of the block
203 if (blocks[i].fDataType==kAliHLTDataTypeHwAddr16 && blocks[i].fSpecification==pDesc->fSpecification) {
204 pActiveHwAddressArray=reinterpret_cast<AliHLTUInt16_t*>(blocks[i].fPtr);
205 iArraySize=blocks[i].fSize/sizeof(AliHLTUInt16_t);
209 if (pActiveHwAddressArray==NULL) {
210 HLTWarning("no block of type %s for specification 0x%08x available, data block skipped",
211 DataType2Text(kAliHLTDataTypeHwAddr16).c_str(),
212 pDesc->fSpecification);
218 int ddlid=AliHLTDAQ::DdlIDFromHLTBlockData(pDesc->fDataType.fOrigin, pDesc->fSpecification);
220 HLTError("unable to extract DDL Id for data block %s 0x%08x", DataType2Text(pDesc->fDataType).c_str(), pDesc->fSpecification);
224 if (!pRawReader->AddBuffer((UChar_t*)pDesc->fPtr,pDesc->fSize, ddlid)) {
225 ALIHLTERRORGUARD(1, "can not set up AltroDecoder for data block %s 0x%08x,"
226 " skipping data block and suppressing further messages",
227 DataType2Text(pDesc->fDataType).c_str(), pDesc->fSpecification);
231 std::auto_ptr<AliAltroRawStreamV3> altroRawStream(new AliAltroRawStreamV3(pRawReader.get()));
233 if (!altroRawStream.get()) {
238 altroRawStream->Reset();
239 if (!altroRawStream->NextDDL()) {
240 ALIHLTERRORGUARD(1, "internal error, can not read data from AliRawReaderMemory");
244 unsigned int rcuTrailerLength=rcuSize;
245 if(rcuTrailerLength>pDesc->fSize-cdhSize) HLTWarning("corrupted data block: RCU trailer length exceeds buffer size");
248 // TODO: here the trigger has to come into play. It is up to
249 // policy if a corrupted data block should be kept (original
250 // DDL) or discarded. In any case, the block is not going to
252 HLTWarning("skipping corrupted data block for event %lu, data block %s 0x%08x", evtData.fEventID,
253 DataType2Text(pDesc->fDataType).c_str(), pDesc->fSpecification);
261 AliHLTUInt32_t iOutputSize=0;
263 //First add the common data header (CDH)
264 memcpy(outputPtr+size,pDesc->fPtr,cdhSize);
265 iOutputSize+=cdhSize;
267 while (altroRawStream->NextChannel() && iResult>=0) {
269 int hwAddress=altroRawStream->GetHWAddress();
271 if (fSignalThreshold!=0) {
272 // treshold by adc counts
273 unsigned int sumSignals=0;
274 unsigned int maxSignal=0;
275 unsigned int nofSignals=0;
276 while(altroRawStream->NextBunch()){
277 const UShort_t *bunchData=altroRawStream->GetSignals();
278 unsigned int time=altroRawStream->GetStartTimeBin();
279 for(Int_t i=0;i<altroRawStream->GetBunchLength();i++){
280 if(bunchData[i]>0){// disregarding 0 data.
281 if(time+i>=fStartTimeBin && time+i<=fEndTimeBin){
282 sumSignals+=bunchData[i];
283 if (maxSignal<bunchData[i]) maxSignal=bunchData[i];
289 if (nofSignals==0 || maxSignal<=(sumSignals/nofSignals)+fSignalThreshold) {
293 } else if (fRMSThreshold!=0) {
294 // treshold by adc counts
295 unsigned int sumSignals=0;
296 unsigned int maxSignal=0;
297 unsigned int nofSignals=0;
298 while(altroRawStream->NextBunch()){
299 const UShort_t *bunchData=altroRawStream->GetSignals();
300 unsigned int time=altroRawStream->GetStartTimeBin();
301 for(Int_t i=0;i<altroRawStream->GetBunchLength();i++){
302 if(bunchData[i]>0){// disregarding 0 data.
303 if(time+i>=fStartTimeBin && time+i<=fEndTimeBin){
304 sumSignals+=bunchData[i]*bunchData[i];
305 if (maxSignal<bunchData[i]) maxSignal=bunchData[i];
311 if (nofSignals==0 || maxSignal<=TMath::Sqrt(sumSignals/nofSignals)*fRMSThreshold) {
317 for (active=0; active<iArraySize; active++) {
318 if (pActiveHwAddressArray[active]==(AliHLTUInt16_t)hwAddress) {
322 if (active>=iArraySize) {
323 HLTDebug("ALTRO block %#x (%d) discarded (inactive)", hwAddress, hwAddress);
328 // no of 10 bit words is without the fill words to fill complete 40 bit words
329 // in addition, align to complete 40 bit words (the '+3')
330 // also, the 4 bytes of the Altro trailer must be added to get the full size
331 int channelSize=((altroRawStream->GetChannelPayloadSize()+2)/3)*4;
332 if (channelSize==0) {
333 if (fTalkative) HLTWarning("skipping zero length channel (hw address %d)", hwAddress);
338 HLTDebug("ALTRO block hwAddress 0x%08x (%d) selected (active), size %d", hwAddress, hwAddress, channelSize);
340 if (iCapacity>=(channelSize+iOutputSize)) {
341 const UChar_t *ChannelData=altroRawStream->GetChannelPayload();
343 memcpy(outputPtr+size+iOutputSize,ChannelData,channelSize);
344 if (channelSize == iResult){
345 if (channelSize%4 == 0) {
346 iOutputSize+=channelSize;
348 if (fTalkative) HLTWarning("corrupted ALTRO channel: incomplete 32 bit word (channel hw address %d)", hwAddress);
353 if (fTalkative) HLTWarning("internal error: failed to copy full channel: %d out of %d bytes (hw address %d)", iResult, channelSize, hwAddress);
358 if (fTalkative) HLTError("failed to write ALTRO channel of length %d for block %d (hw address %d)", channelSize, blockno, hwAddress);
359 // corrupted channel, but keep going
368 //Write the RCU Trailer
369 AliHLTUInt8_t* pSrc=reinterpret_cast<AliHLTUInt8_t*>(pDesc->fPtr);
370 pSrc+=pDesc->fSize-rcuTrailerLength;
371 memcpy(outputPtr+size+iOutputSize,pSrc,rcuTrailerLength);
372 iOutputSize+=rcuTrailerLength;
374 //Set new payload length of the new data bloock
375 AliHLTUInt32_t* pSize=reinterpret_cast<AliHLTUInt32_t*>(outputPtr+size+iOutputSize-rcuTrailerLength);
376 (*pSize)&=~0x3FFFFFF;
377 (*pSize)|=(iOutputSize-rcuTrailerLength-cdhSize+3)/4;//# of 32 bit words in payload
380 AliHLTUInt32_t* pCdhSize=reinterpret_cast<AliHLTUInt32_t*>(outputPtr+size);
381 *pCdhSize=iOutputSize;
383 // insert block descriptor
384 AliHLTComponentBlockData bd;
387 bd.fSize=iOutputSize;
388 bd.fDataType=pDesc->fDataType;
389 bd.fSpecification=pDesc->fSpecification;
390 outputBlocks.push_back(bd);
393 if (fTalkative) HLTImportant("data block %d (0x%08x): selected %d out of %d ALTRO channel(s), %d corrupted channels skipped", blockno, pDesc->fSpecification, iSelected, iTotal, iCorrupted);
397 outputBlocks.clear();