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File indexing completed on 2023-03-17 10:59:37 

0001 #include <memory>
0002 #include <list>
0003 
0004 #include "EventFilter/EcalDigiToRaw/interface/TowerBlockFormatter.h"
0005 
0006 #include "DataFormats/EcalDetId/interface/EBDetId.h"
0007 #include "DataFormats/EcalDetId/interface/EcalDetIdCollections.h"
0008 #include "DataFormats/FEDRawData/interface/FEDNumbering.h"
0009 
0010 using namespace std;
0011 
0012 TowerBlockFormatter::TowerBlockFormatter(Config const& iC, Params const& iP) : BlockFormatter(iC, iP) {}
0013 
0014 void TowerBlockFormatter::DigiToRaw(const EBDataFrame& dataframe,
0015                                     FEDRawData& rawdata,
0016                                     const EcalElectronicsMapping* TheMapping)
0017 
0018 {
0019   int bx = bx_;
0020   int lv1 = lv1_ - 1;
0021 
0022   int rdsize = rawdata.size() / 8;  // size in Word64
0023 
0024   const EBDetId& ebdetid = dataframe.id();
0025 
0026   int DCCid = TheMapping->DCCid(ebdetid);
0027   int FEDid = FEDNumbering::MINECALFEDID + DCCid;
0028 
0029   int nsamples = dataframe.size();
0030   // -- FE number
0031   const EcalElectronicsId& elid = TheMapping->getElectronicsId(ebdetid);
0032   int iFE = elid.towerId();
0033   if (iFE <= 0 || iFE > 68)
0034     throw cms::Exception("InvalidFEid") << "TowerBlockFormatter::DigiToRaw : Invalid iFE " << iFE << endl;
0035 
0036   map<int, map<int, int> >::iterator fen = FEDorder.find(FEDid);
0037   map<int, map<int, int> >::iterator fed = FEDmap.find(FEDid);
0038 
0039   if (fen == FEDorder.end()) {
0040     if (debug_)
0041       cout << "New FED in TowerBlockFormatter " << dec << FEDid << " 0x" << hex << FEDid << endl;
0042     map<int, int> FEorder;
0043     pair<map<int, map<int, int> >::iterator, bool> t1 =
0044         FEDorder.insert(map<int, map<int, int> >::value_type(FEDid, FEorder));
0045     map<int, int> FEmap;
0046     pair<map<int, map<int, int> >::iterator, bool> t2 =
0047         FEDmap.insert(map<int, map<int, int> >::value_type(FEDid, FEmap));
0048     fen = t1.first;
0049     fed = t2.first;
0050   }
0051 
0052   map<int, int>& FEorder = (*fen).second;
0053   map<int, int>& FEmap = (*fed).second;
0054 
0055   map<int, int>::iterator fe = FEorder.find(iFE);
0056   int FE_order;
0057   int FE_index;
0058   if (fe != FEorder.end()) {
0059     FE_order = (*fe).second;
0060     map<int, int>::iterator ff = FEmap.find(FE_order);
0061     if (ff == FEmap.end())
0062       cout << "Error with maps... " << endl;
0063     FE_index = (*ff).second;
0064     if (debug_)
0065       cout << "FE already there, FE_index = " << dec << FE_index << " FEorder " << FE_order << endl;
0066   } else {
0067     if (debug_)
0068       cout << "New FE in TowerBlockFormatter  FE " << dec << iFE << " 0x" << hex << iFE << " in FED id " << dec << FEDid
0069            << endl;
0070     int inser = rdsize;
0071     int number_FEs = FEorder.size() - 1;
0072     FE_order = number_FEs + 1;
0073     pair<map<int, int>::iterator, bool> t2 = FEorder.insert(map<int, int>::value_type(iFE, FE_order));
0074     if (!t2.second)
0075       cout << " FE insertion failed...";
0076     pair<map<int, int>::iterator, bool> tt = FEmap.insert(map<int, int>::value_type(FE_order, inser));
0077     fe = tt.first;
0078     FE_index = (*fe).second;
0079     if (debug_)
0080       cout << "Build the Tower Block header for FE id " << iFE << " start at line " << rdsize << endl;
0081     if (debug_)
0082       cout << "This is the Fe number (order) " << number_FEs + 1 << endl;
0083     rawdata.resize(8 * rdsize + 8);
0084     unsigned char* pData = rawdata.data();
0085     pData[8 * FE_index] = iFE & 0xFF;
0086     pData[8 * FE_index + 1] = (nsamples & 0x7F);
0087     pData[8 * FE_index + 2] = bx & 0xFF;
0088     pData[8 * FE_index + 3] = (bx >> 8) & 0x0F;
0089     pData[8 * FE_index + 3] |= 0xa0;
0090     pData[8 * FE_index + 4] = lv1 & 0xFF;
0091     pData[8 * FE_index + 5] = (lv1 >> 8) & 0x0F;
0092     pData[8 * FE_index + 6] = 1;
0093     pData[8 * FE_index + 7] = 0xc0;
0094     if (debug_)
0095       print(rawdata);
0096   }
0097 
0098   // -- Crystal number inside the SM :
0099 
0100   int istrip = elid.stripId();
0101   int ichannel = elid.xtalId();
0102 
0103   if (debug_)
0104     cout << "Now add crystal : strip  channel " << dec << istrip << " " << ichannel << endl;
0105 
0106   unsigned char* pData = rawdata.data();
0107 
0108   vector<unsigned char> vv(&pData[0], &pData[rawdata.size()]);
0109 
0110   int n_add = 2 + 2 * nsamples;  // 2 bytes per sample, plus 2 bytes before sample 0
0111   if (n_add % 8 != 0)
0112     n_add = n_add / 8 + 1;
0113   else
0114     n_add = n_add / 8;
0115   if (debug_)
0116     cout << "will add " << n_add << " lines of 64 bits at line " << (FE_index + 1) << endl;
0117   rawdata.resize(rawdata.size() + 8 * n_add);
0118   unsigned char* ppData = rawdata.data();
0119 
0120   vector<unsigned char>::iterator iter = vv.begin() + 8 * (FE_index + 1);
0121 
0122   vector<unsigned char> toadd(n_add * 8);
0123 
0124   int tzs = 0;
0125   toadd[0] = (istrip & 0x7) + ((ichannel & 0x7) << 4);
0126   toadd[1] = (tzs & 0x1) << 12;
0127 
0128   for (int isample = 0; isample < (n_add * 8 - 2) / 2; isample++) {
0129     if (isample < nsamples) {
0130       uint16_t word = (dataframe.sample(isample)).raw();  // 16 bits word corresponding to this sample
0131       toadd[2 + isample * 2] = word & 0x00FF;
0132       toadd[2 + isample * 2 + 1] = (word & 0xFF00) >> 8;
0133     } else {
0134       toadd[2 + isample * 2] = 0;
0135       toadd[2 + isample * 2 + 1] = 0;
0136     }
0137     if (isample % 2 == 0)
0138       toadd[2 + isample * 2 + 1] |= 0xc0;  // need to add the B11 header...
0139   }
0140 
0141   vv.insert(iter, toadd.begin(), toadd.end());
0142 
0143   // update the pData for this FED :
0144   for (int i = 0; i < (int)vv.size(); i++) {
0145     ppData[i] = vv[i];
0146   }
0147 
0148   if (debug_) {
0149     cout << "pData for this FED is now " << endl;
0150     print(rawdata);
0151   }
0152 
0153   // and update the FEmap for this FED :
0154   for (int i = FE_order + 1; i < (int)FEorder.size(); i++) {
0155     FEmap[i] += n_add;
0156     if (debug_)
0157       cout << "FEmap updated for fe number " << dec << i << endl;
0158     if (debug_)
0159       cout << " FEmap[" << i << "] = " << FEmap[i] << endl;
0160   }
0161 
0162   // update the block length
0163   int blocklength = ppData[8 * FE_index + 6] + ((ppData[8 * FE_index + 7] & 0x1) << 8);
0164   blocklength += n_add;
0165   ppData[8 * FE_index + 6] = blocklength & 0xFF;
0166   ppData[8 * FE_index + 7] |= (blocklength & 0x100) >> 8;
0167 }
0168 
0169 void TowerBlockFormatter::EndEvent(FEDRawDataCollection* productRawData) {
0170   // -- Need to reorder the FE's in teh TowerBlock. They come in the right
0171   //    order when reading the unsuppressed digis, but ganz durcheinander
0172   //    when reading the SelectiveReadout_Suppressed digis.
0173 
0174   if (debug_)
0175     cout << "enter in TowerBlockFormatter::EndEvent. First reorder the FE's. " << endl;
0176 
0177   for (int idcc = 1; idcc <= 54; idcc++) {
0178     // debug_ = (idcc == 34);
0179 
0180     //if (idcc != 34) continue;
0181 
0182     int FEDid = FEDNumbering::MINECALFEDID + idcc;
0183     // cout << "Process FED " << FEDid << endl;
0184     FEDRawData& fedData = productRawData->FEDData(FEDid);
0185     if (fedData.size() <= 16)
0186       continue;
0187 
0188     if (debug_)
0189       cout << "This is FEDid = " << FEDid << endl;
0190 
0191     unsigned char* pData = fedData.data();
0192     // Word64* words = reinterpret_cast<Word64*>(const_cast<unsigned char*>(pData));
0193     Word64* words = reinterpret_cast<Word64*>(pData);
0194 
0195     int length = fedData.size() / 8;
0196     int iDAQ_header(-1), iDCC_header(-1), iTCCBlock_header(-1), iSRBlock_header(-1), iTowerBlock_header(-1),
0197         iDAQ_trailer(-1);
0198 
0199     for (int i = length - 1; i > -1; i--) {
0200       if (((words[i] >> 60) & 0xF) == 0x5)
0201         iDAQ_header = i;
0202       if (((words[i] >> 62) & 0x3) == 0x0)
0203         iDCC_header = i;
0204       if (((words[i] >> 61) & 0x7) == 0x3)
0205         iTCCBlock_header = i;
0206       if (((words[i] >> 61) & 0x7) == 0x4)
0207         iSRBlock_header = i;
0208       if (((words[i] >> 62) & 0x3) == 0x3)
0209         iTowerBlock_header = i;
0210       if (((words[i] >> 60) & 0xF) == 0xA)
0211         iDAQ_trailer = i;
0212     }
0213 
0214     if (iTowerBlock_header < 0)
0215       iTowerBlock_header = iDAQ_trailer;
0216     if (iSRBlock_header < 0)
0217       iSRBlock_header = iTowerBlock_header;
0218     if (iTCCBlock_header < 0)
0219       iTCCBlock_header = iSRBlock_header;
0220 
0221     if (debug_) {
0222       cout << "iDAQ_header = " << iDAQ_header << endl;
0223       cout << " iDCC_header = " << iDCC_header << endl;
0224       cout << " iTCCBlock_header = " << iTCCBlock_header << endl;
0225       cout << " iSRBlock_header = " << iSRBlock_header << endl;
0226       cout << " iTowerBlock_header = " << iTowerBlock_header << endl;
0227       cout << " iDAQ_trailer = " << iDAQ_trailer << endl;
0228     }
0229 
0230     std::map<int, int> FrontEnd;
0231     std::map<int, std::vector<Word64> > Map_xtal_data;
0232 
0233     int iTowerBlock_header_keep = iTowerBlock_header;
0234 
0235     while (iTowerBlock_header < iDAQ_trailer) {
0236       int fe = words[iTowerBlock_header] & 0xFF;
0237       int nlines = (words[iTowerBlock_header] >> 48) & 0x1FF;
0238       if (debug_)
0239         cout << "This is FE number " << fe << "needs nlines = " << nlines << endl;
0240       FrontEnd[fe] = nlines;
0241       std::vector<Word64> xtal_data;
0242       for (int j = 0; j < nlines; j++) {
0243         Word64 ww = words[iTowerBlock_header + j];
0244         xtal_data.push_back(ww);
0245       }
0246       Map_xtal_data[fe] = xtal_data;
0247       iTowerBlock_header += nlines;
0248     }
0249 
0250     if (debug_) {
0251       cout << "vector of FrontEnd : " << FrontEnd.size() << endl;
0252       for (std::map<int, int>::const_iterator it = FrontEnd.begin(); it != FrontEnd.end(); it++) {
0253         int fe = it->first;
0254         int l = it->second;
0255         cout << "FE line " << fe << " " << l << endl;
0256       }
0257     }
0258 
0259     iTowerBlock_header = iTowerBlock_header_keep;
0260     for (std::map<int, int>::const_iterator it = FrontEnd.begin(); it != FrontEnd.end(); it++) {
0261       int fe = it->first;
0262       int nlines = it->second;
0263       if (debug_)
0264         cout << "iTowerBlock_header = " << iTowerBlock_header << endl;
0265       vector<Word64> xtal_data = Map_xtal_data[fe];
0266       for (int j = 0; j < nlines; j++) {
0267         words[iTowerBlock_header + j] = xtal_data[j];
0268         if (debug_)
0269           cout << "update line " << iTowerBlock_header + j << endl;
0270       }
0271       if (debug_) {
0272         int jFE = pData[8 * (iTowerBlock_header)];
0273         cout << "Front End on RD : " << jFE << endl;
0274       }
0275       iTowerBlock_header += nlines;
0276     }
0277 
0278     // -- now the FEs are ordered. STill need to order the xtals within FEs;
0279     //    need : xtal 1,2,3,4, 5 in strip 1, xtal 1,2,3,4,5 in strip 2 etc..
0280     //    with possibly missing ones.
0281 
0282     if (debug_)
0283       cout << "now reorder the xtals within the FEs" << endl;
0284 
0285     iTowerBlock_header = iTowerBlock_header_keep;
0286 
0287     for (std::map<int, int>::const_iterator it = FrontEnd.begin(); it != FrontEnd.end(); it++) {
0288       int fe = it->first;
0289       if (fe > 68)
0290         cout << "Problem... fe = " << fe << " in FEDid = " << FEDid << endl;
0291       if (debug_)
0292         cout << " This is for FE = " << fe << endl;
0293       int nlines = it->second;
0294       int timesamples = pData[8 * iTowerBlock_header + 1] & 0x7F;
0295       int n4 = timesamples - 3;
0296       int n_lines4 = n4 / 4;
0297       if (n4 % 4 != 0)
0298         n_lines4++;
0299       if (n_lines4 < 0)
0300         n_lines4 = 0;
0301       int Nxtal_max = (nlines - 1) / (1 + n_lines4);
0302       int Nxtal = 0;
0303 
0304       map<int, map<int, vector<Word64> > > Strip_Map;
0305 
0306       while (Nxtal < Nxtal_max) {
0307         int i_xtal = iTowerBlock_header + 1 + Nxtal * (1 + n_lines4);
0308         int strip = words[i_xtal] & 0x7;
0309         int xtal = (words[i_xtal] >> 4) & 0x7;
0310 
0311         map<int, map<int, vector<Word64> > >::iterator iit = Strip_Map.find(strip);
0312 
0313         map<int, vector<Word64> > NewMap;
0314         map<int, vector<Word64> > Xtal_Map;
0315 
0316         if (iit == Strip_Map.end()) {  // new strip
0317           Xtal_Map = NewMap;
0318         } else {
0319           Xtal_Map = iit->second;
0320         }
0321 
0322         std::vector<Word64> xtal_data;
0323         for (int j = 0; j < n_lines4 + 1; j++) {
0324           Word64 ww = words[i_xtal + j];
0325           xtal_data.push_back(ww);
0326         }
0327         Xtal_Map[xtal] = xtal_data;
0328         Strip_Map[strip] = Xtal_Map;
0329 
0330         Nxtal++;
0331       }
0332 
0333       // now, update the xtals for this FE :
0334 
0335       int idx = 0;
0336       for (map<int, map<int, vector<Word64> > >::const_iterator jt = Strip_Map.begin(); jt != Strip_Map.end(); jt++) {
0337         int strip = jt->first;
0338         if (debug_)
0339           cout << "   this is strip number " << strip << endl;
0340         map<int, vector<Word64> > Xtal_Map = jt->second;
0341 
0342         for (map<int, vector<Word64> >::const_iterator kt = Xtal_Map.begin(); kt != Xtal_Map.end(); kt++) {
0343           int xtal = kt->first;
0344           if (debug_)
0345             cout << "       this is xtal number " << xtal << endl;
0346           vector<Word64> xtal_data = kt->second;
0347 
0348           int mlines = (int)xtal_data.size();
0349           if (debug_)
0350             cout << "     mlines = " << mlines << endl;
0351           for (int j = 0; j < mlines; j++) {
0352             int line = iTowerBlock_header + 1 + idx + j;
0353             if (line >= iDAQ_trailer)
0354               cout << "smth wrong... line " << line << " trailer " << iDAQ_trailer << endl;
0355             words[line] = xtal_data[j];
0356             if (debug_)
0357               cout << "      updated line " << iTowerBlock_header + idx + j << endl;
0358           }
0359           idx += mlines;
0360 
0361         }  // end loop on xtals
0362         Xtal_Map.clear();
0363 
0364       }  // end loop on strips
0365 
0366       Strip_Map.clear();
0367 
0368       iTowerBlock_header += nlines;
0369     }  // end loop on FEs
0370 
0371     if (debug_)
0372       cout << " DONE FOR FED " << FEDid << endl;
0373     FrontEnd.clear();
0374     Map_xtal_data.clear();
0375 
0376   }  // end loop on DCC
0377 
0378   // cout << " finished reorder, now clean up " << endl;
0379 
0380   // -- clean up
0381 
0382   // FEDmap.empty();
0383   // FEDorder.empty();
0384 
0385   // cout << "end of EndEvent " << endl;
0386 }
0387 
0388 void TowerBlockFormatter::DigiToRaw(const EEDataFrame& dataframe,
0389                                     FEDRawData& rawdata,
0390                                     const EcalElectronicsMapping* TheMapping)
0391 
0392 // -- now that we have the EcalElectronicsMapping, this method could probably be
0393 //    merged with DigiToRaw(EBdataframe).
0394 //    Keep as it is for the while...
0395 {
0396   // debug_ = false;
0397 
0398   int bx = bx_;
0399   int lv1 = lv1_;
0400 
0401   int rdsize = rawdata.size() / 8;  // size in Word64
0402 
0403   const EEDetId& eedetid = dataframe.id();
0404   EcalElectronicsId elid = TheMapping->getElectronicsId(eedetid);
0405   int DCCid = elid.dccId();
0406   int FEDid = FEDNumbering::MINECALFEDID + DCCid;
0407   int iFE = elid.towerId();
0408 
0409   if (debug_)
0410     cout << "enter in TowerBlockFormatter::DigiToRaw DCCid FEDid iFE " << dec << DCCid << " " << FEDid << " " << iFE
0411          << endl;
0412 
0413   int nsamples = dataframe.size();
0414 
0415   if (iFE <= 0 || iFE > 68) {
0416     cout << "invalid iFE for EndCap DCCid iFE " << DCCid << " " << iFE << endl;
0417     return;
0418   }
0419 
0420   map<int, map<int, int> >::iterator fen = FEDorder.find(FEDid);
0421   map<int, map<int, int> >::iterator fed = FEDmap.find(FEDid);
0422 
0423   if (fen == FEDorder.end()) {
0424     if (debug_)
0425       cout << "New FED in TowerBlockFormatter " << dec << FEDid << " 0x" << hex << FEDid << endl;
0426     map<int, int> FEorder;
0427     pair<map<int, map<int, int> >::iterator, bool> t1 =
0428         FEDorder.insert(map<int, map<int, int> >::value_type(FEDid, FEorder));
0429     map<int, int> FEmap;
0430     pair<map<int, map<int, int> >::iterator, bool> t2 =
0431         FEDmap.insert(map<int, map<int, int> >::value_type(FEDid, FEmap));
0432     fen = t1.first;
0433     fed = t2.first;
0434   }
0435 
0436   map<int, int>& FEorder = (*fen).second;
0437   map<int, int>& FEmap = (*fed).second;
0438 
0439   map<int, int>::iterator fe = FEorder.find(iFE);
0440   int FE_order;
0441   int FE_index;
0442   if (fe != FEorder.end()) {
0443     FE_order = (*fe).second;
0444     map<int, int>::iterator ff = FEmap.find(FE_order);
0445     if (ff == FEmap.end())
0446       cout << "Error with maps... " << endl;
0447     FE_index = (*ff).second;
0448     if (debug_)
0449       cout << "FE already there, FE_index = " << dec << FE_index << " FEorder " << FE_order << endl;
0450   } else {
0451     if (debug_)
0452       cout << "New FE in TowerBlockFormatter  FE " << dec << iFE << " 0x" << hex << iFE << " in FED id " << dec << FEDid
0453            << endl;
0454     int inser = rdsize;
0455     int number_FEs = FEorder.size() - 1;
0456     FE_order = number_FEs + 1;
0457     pair<map<int, int>::iterator, bool> t2 = FEorder.insert(map<int, int>::value_type(iFE, FE_order));
0458     if (!t2.second)
0459       cout << " FE insertion failed...";
0460     pair<map<int, int>::iterator, bool> tt = FEmap.insert(map<int, int>::value_type(FE_order, inser));
0461     fe = tt.first;
0462     FE_index = (*fe).second;
0463     if (debug_)
0464       cout << "Build the Tower Block header for FE id " << iFE << " start at line " << rdsize << endl;
0465     if (debug_)
0466       cout << "This is the Fe number (order) " << number_FEs + 1 << endl;
0467     rawdata.resize(8 * rdsize + 8);
0468     unsigned char* pData = rawdata.data();
0469 
0470     pData[8 * FE_index] = iFE & 0xFF;
0471     pData[8 * FE_index + 1] = (nsamples & 0x7F);
0472     pData[8 * FE_index + 2] = bx & 0xFF;
0473     pData[8 * FE_index + 3] = (bx >> 8) & 0x0F;
0474     pData[8 * FE_index + 3] |= 0xa0;
0475     pData[8 * FE_index + 4] = lv1 & 0xFF;
0476     pData[8 * FE_index + 5] = (lv1 >> 8) & 0x0F;
0477     pData[8 * FE_index + 6] = 1;
0478     pData[8 * FE_index + 7] = 0xc0;
0479     if (debug_)
0480       print(rawdata);
0481   }
0482 
0483   // -- Crystal number inside the SM :
0484   int istrip = elid.stripId();
0485   int ichannel = elid.xtalId();
0486 
0487   if (debug_)
0488     cout << "Now add crystal  strip  channel " << dec << istrip << " " << ichannel << endl;
0489 
0490   unsigned char* pData = rawdata.data();
0491 
0492   vector<unsigned char> vv(&pData[0], &pData[rawdata.size()]);
0493 
0494   int n_add = 2 + 2 * nsamples;  // 2 bytes per sample, plus 2 bytes before sample 0
0495   if (n_add % 8 != 0)
0496     n_add = n_add / 8 + 1;
0497   else
0498     n_add = n_add / 8;
0499   if (debug_)
0500     cout << "nsamples = " << dec << nsamples << endl;
0501   if (debug_)
0502     cout << "will add " << n_add << " lines of 64 bits at line " << (FE_index + 1) << endl;
0503   rawdata.resize(rawdata.size() + 8 * n_add);
0504   unsigned char* ppData = rawdata.data();
0505 
0506   vector<unsigned char>::iterator iter = vv.begin() + 8 * (FE_index + 1);
0507 
0508   vector<unsigned char> toadd(n_add * 8);
0509 
0510   int tzs = 0;
0511   toadd[0] = (istrip & 0x7) + ((ichannel & 0x7) << 4);
0512   toadd[1] = (tzs & 0x1) << 12;
0513 
0514   for (int isample = 0; isample < (n_add * 8 - 2) / 2; isample++) {
0515     if (isample < nsamples) {
0516       uint16_t word = (dataframe.sample(isample)).raw();  // 16 bits word corresponding to this sample
0517       toadd[2 + isample * 2] = word & 0x00FF;
0518       toadd[2 + isample * 2 + 1] = (word & 0xFF00) >> 8;
0519     } else {
0520       toadd[2 + isample * 2] = 0;
0521       toadd[2 + isample * 2 + 1] = 0;
0522     }
0523     if (isample % 2 == 0)
0524       toadd[2 + isample * 2 + 1] |= 0xc0;  // need to add the B11 header...
0525   }
0526 
0527   vv.insert(iter, toadd.begin(), toadd.end());
0528 
0529   // update the pData for this FED :
0530   for (int i = 0; i < (int)vv.size(); i++) {
0531     ppData[i] = vv[i];
0532   }
0533 
0534   if (debug_) {
0535     cout << "pData for this FED is now " << endl;
0536     print(rawdata);
0537   }
0538 
0539   // and update the FEmap for this FED :
0540   for (int i = FE_order + 1; i < (int)FEorder.size(); i++) {
0541     FEmap[i] += n_add;
0542     if (debug_)
0543       cout << "FEmap updated for fe number " << dec << i << endl;
0544     if (debug_)
0545       cout << " FEmap[" << i << "] = " << FEmap[i] << endl;
0546   }
0547 
0548   // update the block length
0549   int blocklength = ppData[8 * FE_index + 6] + ((ppData[8 * FE_index + 7] & 0x1) << 8);
0550   blocklength += n_add;
0551   ppData[8 * FE_index + 6] = blocklength & 0xFF;
0552   ppData[8 * FE_index + 7] |= (blocklength & 0x100) >> 8;
0553 }
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