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CastorCtdcUnpacker.cc
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8 #include <iostream>
10 using namespace std;
11 
12 CastorCtdcUnpacker::CastorCtdcUnpacker(int sourceIdOffset, int beg, int end) : sourceIdOffset_(sourceIdOffset)
13 {
14  if ( beg >= 0 && beg <= CastorDataFrame::MAXSAMPLES -1 ) {
15  startSample_ = beg;
16  } else {
17  startSample_ = 0;
18  }
19  if ( end >= 0 && end <= CastorDataFrame::MAXSAMPLES -1 && end >= beg ) {
20  endSample_ = end;
21  } else {
23  }
24 }
25 
26 
29 
30  if (raw.size()<16) {
31  edm::LogWarning("Invalid Data") << "Empty/invalid DCC data, size = " << raw.size();
32  return;
33  }
34 
35  // get the CTDC header
36  const CastorCTDCHeader* ctdcHeader=(const CastorCTDCHeader*)(raw.data());
37  int ctdcid=ctdcHeader->getSourceId()-sourceIdOffset_;
38 
39  // space for unpacked data from one COR
41  std::vector<unsigned short> trigdata(CastorCORData::CHANNELS_PER_SPIGOT*CastorCORData::MAXIMUM_SAMPLES_PER_CHANNEL);
42  std::vector<unsigned char> preclen(CastorCORData::CHANNELS_PER_SPIGOT);
43  std::vector<unsigned char> triglen(CastorCORData::CHANNELS_PER_SPIGOT);
44 
45  // walk through the COR data...
46  CastorCORData cor;
47  for (int spigot=0; spigot<CastorCTDCHeader::SPIGOT_COUNT; spigot++) {
48  if (!ctdcHeader->getSpigotPresent(spigot)) continue;
49 
50  int retval=ctdcHeader->getSpigotData(spigot,cor,raw.size());
51  if (retval!=0) {
52  if (retval==-1) {
53  edm::LogWarning("Invalid Data") << "Invalid COR data (data beyond payload size) observed on spigot " << spigot << " of CTDC with source id " << ctdcHeader->getSourceId();
54  report.countSpigotFormatError();
55  }
56  continue;
57  }
58  // check
59  if (!cor.check()) {
60  edm::LogWarning("Invalid Data") << "Invalid COR data observed on spigot " << spigot << " of CTDC with source id " << ctdcHeader->getSourceId();
61  report.countSpigotFormatError();
62  continue;
63  }
64  if (cor.isHistogramEvent()) {
65  edm::LogWarning("Invalid Data") << "Histogram data passed to non-histogram unpacker on spigot " << spigot << " of CTDC with source id " << ctdcHeader->getSourceId();
66  continue;
67 
68  }
69  // calculate "real" number of presamples
70  int nps=cor.getNPS()-startSample_;
71 
72  // new: do not use get pointers .. instead make use of CastorCORData::unpack
73 
74  cor.unpack(&(preclen[0]),&(precdata[0]),
75  &(triglen[0]),&(trigdata[0]));
76 
77 
79  int ichan;
80  for ( ichan = 0; ichan<CastorCORData::CHANNELS_PER_SPIGOT; ichan++) {
81  if ( preclen[ichan] == 0 || preclen[ichan] & 0xc0 ) continue;
82  int fiber = ichan/3;
83  int fiberchan = ichan%3;
84  // lookup the right channel
85  CastorElectronicsId partialEid(fiberchan,fiber+1,spigot,ctdcid);
86  // does this partial id exist?
88  HcalGenericDetId did;
89  bool found;
90  found = emap.lookup(partialEid,eid,did);
91 
92  if (found) {
94  // set parameters - presamples
95  digi.setPresamples(nps);
96 
97  int ntaken = 0;
98  for ( int sample = startSample_; sample <= endSample_; sample++ ) {
99  digi.setSample(ntaken,precdata[ichan*CastorCORData::MAXIMUM_SAMPLES_PER_CHANNEL+sample]);
100  ntaken++;
101  }
102  digi.setSize(ntaken);
103  colls.castorCont->push_back(digi);
104  } else {
105  report.countUnmappedDigi();
106  if (unknownIds_.find(partialEid)==unknownIds_.end()) {
107  edm::LogWarning("CASTOR") << "CastorCtdcUnpacker: No match found for electronics partialEid :" << partialEid;
108  unknownIds_.insert(partialEid);
109  }
110  }
111  }
112 
113  }
114 }
115 
116 
int getSpigotData(int nspigot, CastorCORData &decodeTool, int validSize) const
int getNPS() const
Get the number of presamples in daq data.
static const int CHANNELS_PER_SPIGOT
Definition: CastorCORData.h:16
void setSample(int i, const HcalQIESample &sam)
std::set< CastorElectronicsId > unknownIds_
void unpack(unsigned char *daq_lengths, unsigned short *daq_samples, unsigned char *tp_lengths, unsigned short *tp_samples) const
Obtain the starting and ending pointers for external unpacking of the data.
static const int SPIGOT_COUNT
size_t size() const
Lenght of the data buffer in bytes.
Definition: FEDRawData.h:47
const DetId lookup(CastorElectronicsId fId) const
lookup the logical detid associated with the given electronics id
void unpack(const FEDRawData &raw, const CastorElectronicsMap &emap, CastorRawCollections &conts, HcalUnpackerReport &report)
int endSample_
last sample from fed raw data to copy (if present)
static const int MAXIMUM_SAMPLES_PER_CHANNEL
Definition: CastorCORData.h:17
int sourceIdOffset_
number to subtract from the source id to get the dcc id
bool check() const
Check for a good event Requires a minimum length, matching wordcount and length, not an empty event...
int startSample_
first sample from fed raw data to copy
#define end
Definition: vmac.h:37
std::vector< CastorDataFrame > * castorCont
bool isHistogramEvent() const
Is this event a histogram event? (do not call standard unpack in this case!!!!!)
bool getSpigotPresent(unsigned int nspigot) const
Read the "PRESENT" bit for this spigot.
const unsigned char * data() const
Return a const pointer to the beginning of the data buffer.
Definition: FEDRawData.cc:28
Readout chain identification for Castor Bits for the readout chain : some names need change! [31:26] ...
CastorCtdcUnpacker(int sourceIdOffset, int beg, int end)
for normal data
void setPresamples(int ps)
static const int MAXSAMPLES
int getSourceId() const
void setSize(int size)