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 #include "oncsSub_idtpcfeev5.h"
 
 #include <string.h>
 #include <stdint.h>
 
 #define coutfl cout << __FILE__<< "  " << __LINE__ << " "
 #define cerrfl cerr << __FILE__<< "  " << __LINE__ << " "
 
 using namespace std;
 
 oncsSub_idtpcfeev5::oncsSub_idtpcfeev5(subevtdata_ptr data)
   :oncsSubevent_w2 (data)
 {}
 
 
 oncsSub_idtpcfeev5::~oncsSub_idtpcfeev5()
 {
 
   for (auto itr = waveforms.begin() ; itr  != waveforms.end() ; ++itr)
     {
       delete (*itr);
     }
   waveforms.clear();
   
   for (auto itr = waveform_vector.begin() ; itr  != waveform_vector.end() ; ++itr)
     {
       delete (*itr);
     }
   waveform_vector.clear();
   
   for (auto itr = current_vector.begin() ; itr  != current_vector.end() ; ++itr)
     {
       delete (*itr);
     }
   current_vector.clear();
   
   
   for (auto itr = gtm_data.begin() ; itr  != gtm_data.end() ; ++itr)
     {
       delete (*itr);
     }
   gtm_data.clear();
 
 }
 
 int oncsSub_idtpcfeev5::cacheIterator(const int n)
 {
   if ( n < 0) return 0; // not ok
   if ( _last_requested_element == n) return 1; // say "ok"
 
   unsigned i = n;
   if  ( i >= waveform_vector.size() )
     {
       _last_requested_element = -1;
       _last_requested_waveform = 0;
       return 0;
     }
 
   _last_requested_element = n;
   _last_requested_waveform = waveform_vector[n];  
 
   return 1;
 }
 
 int oncsSub_idtpcfeev5::DCcacheIterator(const int n)
 {
   if ( n < 0) return 0; // not ok
   if ( _last_requested_dcelement == n) return 1; // say "ok"
 
   unsigned i = n;
   if  ( i >= current_vector.size() )
     {
       _last_requested_dcelement = -1;
       _last_requested_currentform = 0;
       return 0;
     }
 
   _last_requested_dcelement = n;
   _last_requested_currentform = current_vector[n];  
 
   return 1;
 }
 
 int oncsSub_idtpcfeev5::decode_gtm_data(unsigned short dat[16])
 {
     unsigned char *gtm = (unsigned char *)dat;
     gtm_payload *payload = new gtm_payload;
 
     payload->pkt_type = gtm[0] | ((unsigned short)gtm[1] << 8);
 //    if (payload->pkt_type != GTM_LVL1_ACCEPT_MAGIC_KEY && payload->pkt_type != GTM_ENDAT_MAGIC_KEY)
     if (payload->pkt_type != GTM_LVL1_ACCEPT_MAGIC_KEY && payload->pkt_type != GTM_ENDAT_MAGIC_KEY && payload->pkt_type != GTM_MODEBIT_MAGIC_KEY)
       {
     delete payload;
     return -1;
       }
 
     payload->is_lvl1 = payload->pkt_type == GTM_LVL1_ACCEPT_MAGIC_KEY;
     payload->is_endat = payload->pkt_type == GTM_ENDAT_MAGIC_KEY;
     payload->is_modebit = payload->pkt_type == GTM_MODEBIT_MAGIC_KEY;
 
     payload->bco = ((unsigned long long)gtm[2] << 0)
       | ((unsigned long long)gtm[3] << 8)
       | ((unsigned long long)gtm[4] << 16)
       | ((unsigned long long)gtm[5] << 24)
       | ((unsigned long long)gtm[6] << 32)
       | (((unsigned long long)gtm[7]) << 40);
     payload->lvl1_count = ((unsigned int)gtm[8] << 0)
       | ((unsigned int)gtm[9] << 8)
       | ((unsigned int)gtm[10] << 16)
       | ((unsigned int)gtm[11] << 24);
     payload->endat_count = ((unsigned int)gtm[12] << 0)
       | ((unsigned int)gtm[13] << 8)
       | ((unsigned int)gtm[14] << 16)
       | ((unsigned int)gtm[15] << 24);
     payload->last_bco = ((unsigned long long)gtm[16] << 0)
       | ((unsigned long long)gtm[17] << 8)
       | ((unsigned long long)gtm[18] << 16)
       | ((unsigned long long)gtm[19] << 24)
       | ((unsigned long long)gtm[20] << 32)
       | (((unsigned long long)gtm[21]) << 40);
     payload->modebits = gtm[22];
     payload->userbits = gtm[23];
 
     this->gtm_data.push_back(payload);
 
     return 0;
 }
 
 int oncsSub_idtpcfeev5::tpc_gtm_decode()
 {
 
   if (_is_gtm_decoded ) return 0;
   _is_gtm_decoded = 1;
   NR_VALIDFEE=0;
 
   unsigned int payload_length = 2 * (getLength() - SEVTHEADERLENGTH - getPadding() );
 
   unsigned int index = 0;
 
   unsigned short *buffer = ( unsigned short *)  &SubeventHdr->data;
   std::bitset<26> fee_seen;
 
 
   // demultiplexer
   while (index < payload_length)
   {
     // this part is decoded in tpc_decode()
     // Length for the 256-bit wide Round Robin Multiplexer for the data stream
     const unsigned int datalength = 0xf;
 
     if ((buffer[index] & 0xFF00) == FEE_MAGIC_KEY)
     {
 
       unsigned int fee_id = buffer[index] & 0xff;
       if (!fee_seen[fee_id]) {
         fee_seen[fee_id] = true;
         NR_VALIDFEE++;
       }
       // coutfl << " index = " << index << " fee_id = " << fee_id << " len = " << datalength << endl;
       ++index;
       if (fee_id < MAX_FEECOUNT)
       {
         index += datalength;
       }
       if (index >= payload_length) break;
     }
     else if ((buffer[index] & 0xFF00) == GTM_MAGIC_KEY)
     {
       unsigned short buf[16];
 
       // memcpy?
       for (unsigned int i = 0; i < 16; i++)
       {
         buf[i] = buffer[index++];
       }
 
       decode_gtm_data(buf);
     }
     else
     {
       // not FEE data, e.g. GTM data or other stream, to be decoded
       index += datalength + 1;
     }
 
   }
   return 0;
 }
 
 int oncsSub_idtpcfeev5::tpc_decode ()
 {
 
   if (_is_decoded ) return 0;
   _is_decoded = 1;
 
   unsigned int payload_length = 2 * (getLength() - SEVTHEADERLENGTH - getPadding() );
   
   unsigned int index = 0;
   
 
   unsigned short *buffer = ( unsigned short *)  &SubeventHdr->data;
 
   // demultiplexer
   while (index < payload_length)
   {
     // Length for the 256-bit wide Round Robin Multiplexer for the data stream
     const unsigned int datalength = 0xf;
 
     if ((buffer[index] & 0xFF00) == FEE_MAGIC_KEY)
     {
 
       unsigned int fee_id = buffer[index] & 0xff;
       // coutfl << " index = " << index << " fee_id = " << fee_id << " len = " << datalength << endl;
       ++index;
       if (fee_id < MAX_FEECOUNT)
       {
         for (unsigned int i = 0; i < datalength; i++)
         {
           // watch out for any data corruption
           if (index >= payload_length) break;
 
           fee_data[fee_id].push_back(buffer[index++]);
         }
       }
     }
     else if ((buffer[index] & 0xFF00) == GTM_MAGIC_KEY)
     {
       index += 16; // decoded in tpc_gtm_decode()
     }
     else
     {
       // not FEE data, e.g. GTM data or other stream, to be decoded
       index += datalength + 1;
     }
 
   }
   //  coutfl << " done with tcp_decode index = " << index << endl;
 
   // std::vector<unsigned short>::const_iterator fee_data_itr;
 
   // for ( int ifee = 0 ; ifee < MAX_FEECOUNT ; ifee++)
   //   {
 
   //     coutfl << " starting with fee number " << ifee << " size of vector " << fee_data[ifee].size() << endl;
   //   }
   
   for ( int ifee = 0 ; ifee < MAX_FEECOUNT ; ifee++)
     {
       
       unsigned int pos;   // I'm too tired to play with iterators; pos is the position in a FEE vector
       
       //for ( fee_data_itr = fee_data[ifee].begin();  fee_data_itr != fee_data[ifee].end();  )
       for ( pos = 0; pos < fee_data[ifee].size() ;   ) 
     {
       // itr = fee_data_itr;
       int skip_amount = find_header (pos, fee_data[ifee]);
       if ( skip_amount < 0) break;
       //for ( int i = 0; i < skip_amount; i++) ++fee_data_itr;  // skip that many words
       pos +=  skip_amount;
 
       // as we advance pos, let's remember where the start is
       unsigned int startpos = pos;
 
       // first the check if our vector cuts off before the fixed-length header, then we are already done
       if ( startpos + HEADER_LENGTH >= fee_data[ifee].size() || startpos + fee_data[ifee][startpos] >= fee_data[ifee].size())
         {
           pos = fee_data[ifee].size() + 1; // make sure we really terminate the loop
         }
       else
         {
           // capture the header so we can easier get the bit shift stuff
           unsigned short header[HEADER_LENGTH]={0,0,0,0,0,0,0};
           for ( int i = 0; i < HEADER_LENGTH; i++ ) header[i] = (fee_data[ifee][pos++]) ;
 
           if(header[3]==MAGIC_KEY_2){
                   current_packet(header,ifee,startpos,pos);
               }
               else{
                   normal_packet(header,ifee,startpos,pos);
               }
         }
     }
     }
 
   waveform_vector.resize(waveforms.size());
   std::copy(waveforms.begin(),waveforms.end(),waveform_vector.begin());
   waveforms.clear();
 
   current_vector.resize(currentforms.size());
   std::copy(currentforms.begin(),currentforms.end(),current_vector.begin());
   currentforms.clear();
   
   return 0;
 }
 
 
 int oncsSub_idtpcfeev5::normal_packet(unsigned short header[],int ifee,unsigned int startpos,unsigned int pos)
 {
   sampa_waveform *sw = new sampa_waveform;
 
   sw->fee           = ifee;
   sw->pkt_length    = header[0]+1; // this is indeed the number of 10-bit words + 5 in this packet
   sw->adc_length    = header[0]-HEADER_LENGTH; // this is indeed the number of 10-bit words in this packet
   sw->data_parity   = header[4] >> 9;
   sw->sampa_address = (header[4] >> 5) & 0xf;
   sw->sampa_channel = header[4] & 0x1f;
   sw->channel       = header[4] & 0x1ff;
   sw->type          = (header[3] >>7) & 0x7;
   sw->user_word     = header[3] & 0x7f;
   sw->bx_timestamp  = ((header[6] & 0x3ff) << 10) | (header[5] & 0x3ff);
 
   // now we add the actual waveform
   // unsigned short data_size = header[5] -1 ;
   short data_size_counter = header[0]-HEADER_LENGTH;
 
   short actual_data_size = 0;
          //  coutfl << " Fee: " << ifee << " Sampa " << sw->sampa_address
          //      << " sampa channel: " << sw->sampa_channel
          //      << " channel: " << sw->channel
          //      << "  waveform length: " << data_size  << endl;
 
   // for (int i = 0 ; i < data_size ; i++)
   // First fill 65000 for all time samples
  
   sw->waveform.resize(1024);
   fill(sw->waveform.begin(), sw->waveform.end(), 65000);
  
   // Format is (N sample) (start time), (1st sample)... (Nth sample)
   //for (int i = 0 ; i < header[0]-5 ; i++)
 
   while(data_size_counter>0)
     {
       int nsamp = fee_data[ifee][pos++];
       int start_t = fee_data[ifee][pos++];
 
       data_size_counter-=2;
 
       actual_data_size += nsamp;
       actual_data_size += 2;
 
       for (int j=0; j<nsamp;j++){
           if (pos>= fee_data[ifee].size())
           {
             // std::cout<<__PRETTY_FUNCTION__<<" : warning - sampa data wavelet loss at the end of fee_data for fee "<<ifee<<std::endl;
             break;
           }
           if(start_t+j<1024){ sw->waveform[start_t+j]= fee_data[ifee][pos++]; }
           else { pos++; }
 //     cout<<"data: "<< sw->waveform[start_t+j]<<endl;
           data_size_counter--;
       }
       if (pos>= fee_data[ifee].size())
         {
           continue;
         }
     }
 
 // If the size defined by SAMPA is consitent with what the header says, we keep that data.
 //
   if(header[0]-HEADER_LENGTH == actual_data_size){
 // cout <<header[0]-5<<", "<<actual_data_size-1<<endl; cout<<"Error size"<<endl;
 
           // we calculate the checksum here because "pos" is at the right place
     unsigned short crc = crc16(ifee, startpos, header[0]);
     unsigned short parity = check_data_parity(ifee, startpos+HEADER_LENGTH, header[0]-HEADER_LENGTH);
           
     sw->checksum = crc;
 
     sw->valid = ( crc == fee_data[ifee][pos]);
     sw->parity_valid = ((!parity) == sw->data_parity); 
 
     waveforms.insert(sw);
   }
   else{ delete sw; }
 
   return 0;
 }
 
 
 int oncsSub_idtpcfeev5::current_packet(unsigned short header[],int ifee,unsigned int startpos, unsigned int pos)
 {
   digital_current *dc = new digital_current;
 
   dc->fee           = ifee;
   dc->pkt_length    = header[0]+1;
   dc->sampa_address = (header[4] >> 5) & 0xf;
   dc->sampa_max_channel = header[4] & 0x1f;
   dc->channel       = header[4] & 0x1ff;
   dc->type          = header[3];
 //  dc->bx_timestamp  = ((header[5] & 0xffff) << 4) | (header[6] & 0xf);
   dc->bx_timestamp  = ((header[6] & 0x3ff) << 10) | (header[5] & 0x3ff);
 //cout <<dc->fee<<" "<<hex<<dc->bx_timestamp<<dec<<endl;
 
   // now we add the actual waveform
   // unsigned short data_size = header[5] -1 ;
   short actual_data_size = 0;
   int ich=0;
 
   for(ich = 0; ich<8; ich++){
       dc->current[ich] = ((unsigned int)fee_data[ifee][pos])<<16 | ((unsigned int)fee_data[ifee][pos+1]);
       pos++; pos++;
       dc->nsamples[ich] = ((unsigned int)fee_data[ifee][pos])<<16 | ((unsigned int)fee_data[ifee][pos+1]);
       pos++; pos++;
 
       actual_data_size += 4;
     }
 
 
 //  cout<< "DC size "<< header[0]-HEADER_LENGTH-1 <<" "<<actual_data_size<<endl;
 //  if(header[0]-HEADER_LENGTH-1 == actual_data_size){
 
   if(header[0]-HEADER_LENGTH == actual_data_size){
 // cout <<header[0]-5<<", "<<actual_data_size-1<<endl; cout<<"Error size"<<endl;
 
           // we calculate the checksum here because "pos" is at the right place
 //    unsigned short crc = crc16(ifee, startpos, header[0]-1);
     unsigned short crc = crc16(ifee, startpos, header[0]);
           
     dc->checksum = crc;
 
 //    cout<< crc<<" "<< fee_data[ifee][pos]<<endl;
     dc->valid = ( crc == fee_data[ifee][pos]);
 
     currentforms.insert(dc);
   }
   else{ delete dc; }
 
   return 0;
 }
 
 
 long long oncsSub_idtpcfeev5::lValue(const int n, const char *what)
 {
   tpc_gtm_decode(); // this only decodes the gtm
 
   const size_t i = n;
 
   if (strcmp(what, "N_TAGGER") == 0)  // the number of datasets
   {
     return gtm_data.size();
   }
   
   else if ( strcmp(what,"NR_VALIDFEE") == 0 )
   {
     return NR_VALIDFEE;
   }
   
 
   else if (strcmp(what, "TAGGER_TYPE") == 0 )
   {
     if (i < gtm_data.size())
     {
       return gtm_data[i]->pkt_type;
     }
   }
 
   else if (strcmp(what, "IS_ENDAT") == 0 )
   {
     if (i < gtm_data.size())
     {
       return gtm_data[i]->is_endat;
     }
   }
 
   else if (strcmp(what, "IS_LEVEL1_TRIGGER") == 0 )
   {
     if (i < gtm_data.size())
     {
       return gtm_data[i]->is_lvl1;
     }
   }
 
   else if (strcmp(what, "IS_MODEBIT") == 0 )
   {
     if (i < gtm_data.size())
     {
       return gtm_data[i]->is_modebit;
     }
   }
 
   else if (strcmp(what, "BCO") == 0 )
   {
     if (i < gtm_data.size())
     {
       return gtm_data[i]->bco;
     }
   }
 
   else if (strcmp(what, "LEVEL1_COUNT") == 0 )
   {
     if (i < gtm_data.size())
     {
       return gtm_data[i]->lvl1_count;
     }
   }
 
   else if (strcmp(what, "ENDAT_COUNT") == 0 )
   {
     if (i < gtm_data.size())
     {
       return gtm_data[i]->endat_count;
     }
   }
 
   else if (strcmp(what, "LAST_BCO") == 0 )
   {
     if (i < gtm_data.size())
     {
       return gtm_data[i]->last_bco;
     }
   }
 
   else if (strcmp(what, "MODEBITS") == 0 )
   {
     if (i < gtm_data.size())
     {
       return gtm_data[i]->modebits;
     }
   }
 
   else if (strcmp(what, "FEMUSERBITS") == 0 )
   {
     if (i < gtm_data.size())
     {
       return gtm_data[i]->userbits;
     }
   }
 
   return 0;
 }
 
 int oncsSub_idtpcfeev5::iValue(const int n, const int sample)
 {
   if ( n < 0) return 0;
   
   tpc_decode();
 
   unsigned int m = sample; 
 
   if(m>=1030 && m<=1037){
     if ( DCcacheIterator(n) )
       {
         return (_last_requested_currentform)->current[m-1030];
       }
     }
   else if(m>=1040 && m<=1047){
     if ( DCcacheIterator(n) )
       {
         return (_last_requested_currentform)->nsamples[m-1040];
       }
     }
 
   
   if ( cacheIterator(n) )
     {
       if ( m >= (_last_requested_waveform)->waveform.size() ) return 0;
       return (_last_requested_waveform)->waveform[m];
     }
   return 0;
 }
 
 int oncsSub_idtpcfeev5::iValue(const int n, const int sample, const char *what)
 {
   if ( n < 0) return 0;
   
   tpc_decode();
 
   unsigned int m = sample; 
 
   if ( strcmp(what,"DC_VAL") == 0 )
     {
     if ( DCcacheIterator(n) )
       {
         return (_last_requested_currentform)->current[m];
       }
     }
   else if ( strcmp(what,"DC_NSAMPLES") == 0 )
     {
     if ( DCcacheIterator(n) )
       {
         return (_last_requested_currentform)->nsamples[m];
       }
     }
   else return -1;
   
   return 0;
 }
 
 
 int oncsSub_idtpcfeev5::iValue(const int n, const char *what)
 {
 
   tpc_decode();
 
   if ( strcmp(what,"NR_WF") == 0 )  // the number of datasets
   {
     return waveform_vector.size();
   }
 
   else if ( strcmp(what,"MAX_FEECOUNT") == 0 )
   {
     return MAX_FEECOUNT;
   }
 
   // see how many samples we have
   else if ( strcmp(what,"SAMPLES") == 0 )
     {
       if ( cacheIterator(n) )
     {
       return (int) (_last_requested_waveform)->waveform.size();
     }
       return 0;
     }
   
   else if ( strcmp(what,"FEE") == 0 )
     {
       if ( cacheIterator(n) )
     {
       return (int) (_last_requested_waveform)->fee;
     }
       return 0;
     }
   
   else if ( strcmp(what,"SAMPAADDRESS") == 0 )
     {
       if ( cacheIterator(n) )
     {
       return (int) (_last_requested_waveform)->sampa_address;
     }
       return 0;
     }
   
   else if ( strcmp(what,"SAMPACHANNEL") == 0 )
     {
       if ( cacheIterator(n) )
     {
       return (int) (_last_requested_waveform)->sampa_channel;
     }
       return 0;
     }
   
   else if ( strcmp(what,"CHANNEL") == 0 )
     {
       if ( cacheIterator(n) )
     {
       return (int) (_last_requested_waveform)->channel;
     }
       return 0;
     }
   
   else if ( strcmp(what,"BCO") == 0 )
     {
       if ( cacheIterator(n) )
     {
       return (int) (_last_requested_waveform)->bx_timestamp;
     }
       return 0;
     }
 
   else if ( strcmp(what,"CHECKSUM") == 0 )
     {
       if ( cacheIterator(n) )
     {
       return (int) (_last_requested_waveform)->checksum;
     }
       return 0;
     }
 
   else if ( strcmp(what,"CHECKSUMERROR") == 0 )
     {
       if ( cacheIterator(n) )
     {
       if ( (_last_requested_waveform)->valid ) return 0; 
       return 1;
     }
       return 0;
     }
 
   else if ( strcmp(what,"DATAPARITY") == 0 )
     {
       if ( cacheIterator(n) )
     {
       return (int) (_last_requested_waveform)->data_parity;
     }
       return 0;
     }
 
   else if ( strcmp(what,"DATAPARITYERROR") == 0 )
     {
       if ( cacheIterator(n) )
     {
       if ( (_last_requested_waveform)->parity_valid ) return 0; 
       return 1;
     }
       return 0;
     }
 
   else if ( strcmp(what,"TYPE") == 0 )
     {
       if ( cacheIterator(n) )
     {
       return (int) (_last_requested_waveform)->type;
     }
       return 0;
     }
 
   else if ( strcmp(what,"USERWORD") == 0 )
     {
       if ( cacheIterator(n) )
     {
       return (int) (_last_requested_waveform)->user_word;
     }
       return 0;
     }
 
   // From Here, digital current
 
   else if ( strcmp(what,"NR_DC") == 0 )  // the number of datasets
   {
     return current_vector.size();
   }
 
   else if ( strcmp(what,"FEE_DC") == 0 )
     {
       if ( DCcacheIterator(n) )
     {
       return (int) (_last_requested_currentform)->fee;
     }
       return 0;
     }
   
   else if ( strcmp(what,"SAMPAADDRESS_DC") == 0 )
     {
       if ( DCcacheIterator(n) )
     {
       return (int) (_last_requested_currentform)->sampa_address;
     }
       return 0;
     }
   
   else if ( strcmp(what,"SAMPAMAXCHANNEL_DC") == 0 )
     {
       if ( DCcacheIterator(n) )
     {
       return (int) (_last_requested_currentform)->sampa_max_channel;
     }
       return 0;
     }
   
   else if ( strcmp(what,"CHANNEL_DC") == 0 )
     {
       if ( DCcacheIterator(n) )
     {
       return (int) (_last_requested_currentform)->channel;
     }
       return 0;
     }
   
   else if ( strcmp(what,"BCO_DC") == 0 )
     {
       if ( DCcacheIterator(n) )
     {
       return (int) (_last_requested_currentform)->bx_timestamp;
     }
       return 0;
     }
 
   else if ( strcmp(what,"CHECKSUM_DC") == 0 )
     {
       if ( DCcacheIterator(n) )
     {
       return (int) (_last_requested_currentform)->checksum;
     }
       return 0;
     }
 
   else if ( strcmp(what,"CHECKSUMERROR_DC") == 0 )
     {
       if ( DCcacheIterator(n) )
     {
       if ( (_last_requested_currentform)->valid ) return 0; 
       return 1;
     }
       return 0;
     }
 
   else if ( strcmp(what,"TYPE_DC") == 0 )
     {
       if ( DCcacheIterator(n) )
     {
       return (int) (_last_requested_currentform)->type;
     }
       return 0;
     }
 
   return 0;
   
 }
  
 //int oncsSub_idtpcfeev5::find_header ( std::vector<unsigned short>::const_iterator &itr,  const std::vector<unsigned short> &orig)
 int oncsSub_idtpcfeev5::find_header ( const unsigned int yy,  const std::vector<unsigned short> &orig)
 {
   bool found = false;
   unsigned int pos = yy;
   std::vector<unsigned short> header_candidate(HEADER_LENGTH);
 
   // we slide over the data and find the header, if any.
   // we calculate and return the amount of words we need to skip to find the vector.
   // if we find it right away, the amount returned is 0;
   // -1 for an error condition or end, like we hit the end without finding another header.
   // the complication here is that we look ahead a few words to recognize it.  
   
   for ( unsigned int i = 0; i < HEADER_LENGTH ; i++)  // we start out with one "header candidate" = 7 entries
     {
       if ( pos >= orig.size())    // if we reached the end, no more header here
     {
       return -1;
     }
 
       header_candidate[i] = orig[pos];
       pos++;
     }
   
   int skip_amount = 0;
   while ( ! found)
     {
       //      coutfl << " current pos is  " << pos  << "  vector length " << orig.size()  << endl;
         
 //      if (header_candidate[4] == MAGIC_KEY_0)
       if (header_candidate[1] == MAGIC_KEY_0 && header_candidate[2] == MAGIC_KEY_1)
     {
       // found it!
     // It doesn't help
         //    found = true;
         //    coutfl << " found header skip value =  " << skip_amount << endl;
             break;
         }
       skip_amount++;
       if ( pos >= orig.size())    // if we reached the end, no more header here
       {
     return -1;
       }
 
       //   coutfl << " next value " << pos << "  " << hex << orig[pos]  << dec << endl;
       header_candidate.erase(header_candidate.begin());  // delete the vector 1st element
       header_candidate.push_back(orig[pos]);                  // push a new value, rinse and repeat
       pos++;
     }
 
   return skip_amount;
 }
  
 void  oncsSub_idtpcfeev5::dump ( OSTREAM& os )
 {
   tpc_decode();
   identify(os);
 
   if (lValue(0, "N_TAGGER") == 0)
     os << "  No lvl1 and Endat taggers" << endl;
   else
   {
     os << "  TAGGER_TYPE       BCO       LEVEL1 CNT  ENDAT CNT     LAST_BCO  MODE/USERBIT" << endl;
 
     for (int i = 0; i < lValue(0, "N_TAGGER"); ++i)  // go through the datasets
     {
       os << "  0x" << setw(4) << hex << lValue(i, "TAGGER_TYPE") << dec
 //         << " (" << (lValue(i, "IS_ENDAT") ? "ENDAT" : "") << (lValue(i, "IS_LEVEL1_TRIGGER") ? "LVL1 " : "")
          << " (" << (lValue(i, "IS_ENDAT") ? "ENDAT" : "") << (lValue(i, "IS_LEVEL1_TRIGGER") ? "LVL1 " : "") << (lValue(i, "IS_MODEBIT") ? "MDBIT" : "")
          << ") "
          << setw(12) << hex << lValue(i, "BCO") << dec << " "
          << setw(10) << lValue(i, "LEVEL1_COUNT") << " "
          << setw(10) << lValue(i, "ENDAT_COUNT") << " "
          << setw(12) << hex << lValue(i, "LAST_BCO") << dec
          << "   0x" << std::setfill('0') << setw(2) << hex << lValue(i, "MODEBITS") << std::setfill(' ')<< dec
          << " / 0x" << std::setfill('0') << setw(2) << hex << lValue(i, "FEMUSERBITS") << std::setfill(' ')<< dec
          << endl;
     }
 
     os << endl;
   }
 
   os << " number of waveforms " << iValue(0, "NR_WF") << endl;
     
   for ( int i = 0; i < iValue(0, "NR_WF") ; i++) // go through the datasets
     {
       os << "  FEE   Channel   Sampachannel   Samples     BCO    CRC_ERR   PARITY_ERR  DATA_TYPE  USERWORD" << endl;
 
       os << setw(5) << iValue(i, "FEE")  << " "
      << setw(9) << iValue(i, "CHANNEL")  << " "
      << setw(9) << iValue(i, "SAMPACHANNEL")  << " "
      << setw(12) << iValue(i, "SAMPLES") << " "
      <<  "     0x" << setw(5) << hex << iValue(i, "BCO") << dec
     //   << " 0x" << setw(4) << hex << iValue(i, "CHECKSUM") << dec
      <<  setw(4) << iValue(i, "CHECKSUMERROR")
      <<  setw(10) << iValue(i, "DATAPARITYERROR")
      <<  setw(12) << iValue(i, "TYPE")
      <<  setw(12) << iValue(i, "USERWORD")
      << endl;
       
       for (int j = 0; j  < iValue(i, "SAMPLES") ; j += 10)
     {
       os << "                                                       ";
       for (int k = 0; k < 10 ; k++)
         {
           os << setw(4) << iValue(i,j+k)  << " ";
         }
       os << endl;
     }
       os << endl;
   
     }
 
   os << " number of digital current " << iValue(0, "NR_DC") << endl;
     
   for ( int i = 0; i < iValue(0, "NR_DC") ; i++) // go through the datasets
     {
       os << "  BCO   CRC_ERR   DATA_TYPE" << endl;
 
       os <<  " 0x" << setw(5) << hex << iValue(i, "BCO_DC") << dec
     //   << " 0x" << setw(4) << hex << iValue(i, "CHECKSUM") << dec
      <<  setw(4) << iValue(i, "CHECKSUMERROR_DC")
      <<  setw(12) << hex<<iValue(i, "TYPE_DC")<<dec
      << endl;
       
 //      os << " (DC0) (Nsamples0) (DC1) (Nsamples1).... "<<endl;
 
       os << "  FEE   Channel   SampaChan     DC       Nsample" << endl;
       for (int j = 0; j  < 8 ; j ++)
     {
           os << setw(5) << iValue(i, "FEE_DC")  << " "
          << setw(7) << iValue(i, "CHANNEL_DC")-7+j  << " "
          << setw(9) << iValue(i, "SAMPAMAXCHANNEL_DC")-7+j  << " "
 //       << setw(12) << iValue(i,j+1030)  << " "
 //       << setw(9) << iValue(i,j+1040)  << " ";
          << setw(12) << iValue(i,j,"DC_VAL")  << " "
          << setw(9) << iValue(i,j,"DC_NSAMPLES")  << " ";
     os << endl;
         }
 
       os << endl;
   
     }
 }
 
 
 
 unsigned short oncsSub_idtpcfeev5::reverseBits(const unsigned short x) const
 {
   unsigned short n = x;  
   n = ((n >> 1) & 0x55555555) | ((n << 1) & 0xaaaaaaaa);
   n = ((n >> 2) & 0x33333333) | ((n << 2) & 0xcccccccc);
   n = ((n >> 4) & 0x0f0f0f0f) | ((n << 4) & 0xf0f0f0f0);
   n = ((n >> 8) & 0x00ff00ff) | ((n << 8) & 0xff00ff00);
   //n = (n >> 16) & 0x0000ffff | (n << 16) & 0xffff0000;
   return n;
 }
 
 
 
 unsigned short oncsSub_idtpcfeev5::crc16(const unsigned int fee, const unsigned int index, const int  l) const 
 {
 
   unsigned short crc = 0xffff;
     
   for ( int i = 0; i < l; i++)
     {
       unsigned short x = fee_data[fee][index+i];
       //      cout << "in crc " << hex << x << dec << endl;
       crc ^= reverseBits( x);
       for (unsigned short k = 0; k < 16; k++)
     {
       crc = crc & 1 ? (crc >> 1) ^ 0xa001 : crc >> 1;
     }
       }
   crc = reverseBits(crc);
   return crc;
 }
 
 uint16_t oncsSub_idtpcfeev5::check_data_parity(const unsigned int fee, const unsigned int index, const int  l) const 
 {
     uint16_t data_parity = 1;
     for (uint16_t i = 0; i < l; i++) {
         for (int j = 0; j < 10; j++) {
             data_parity ^= ((fee_data[fee][index+i] & (1 << j)) >> j);
         }
     }
 
     return data_parity;
 }

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