FSUDAQ_Qt6/OnlineEventBuilder.cpp
2023-05-26 15:01:54 -04:00

150 lines
3.5 KiB
C++

#include "OnlineEventBuilder.h"
#include <algorithm>
OnlineEventBuilder::OnlineEventBuilder(Digitizer * digi){
data = digi->GetData();
nCh = digi->GetNChannels();
eventIndex = -1;
for( int i = 0; i < MaxNEvent; i++ ) events[i].clear();
for( int i = 0; i < MaxNChannels; i++ ){
nextIndex[i] = -1;
chExhaused[i] = false;
}
earlistTime = -1;
earlistCh = -1;
nExhaushedCh = 0;
}
OnlineEventBuilder::~OnlineEventBuilder(){
}
void OnlineEventBuilder::FindEarlistTimeAndCh(){
earlistTime = -1;
earlistCh = -1;
nExhaushedCh = 0;
for( int i = 0; i < MaxNChannels; i++ ){
chExhaused[i] = false;
}
for(unsigned int ch = 0; ch < nCh; ch ++){
if( data->DataIndex[ch] == -1 || nextIndex[ch] > data->DataIndex[ch]) {
nExhaushedCh ++;
chExhaused[ch] = true;
continue;
}
if( nextIndex[ch] == -1 ) nextIndex[ch] = 0;
unsigned long long time = data->Timestamp[ch][nextIndex[ch]];
if( time < earlistTime ) {
earlistTime = time;
earlistCh = ch;
//printf("ch: %d , nextIndex : %d, %llu\n", ch, nextIndex[ch] , earlistTime);
}
}
}
void OnlineEventBuilder::FindLatestTime(){
latestTime = 0;
for( unsigned ch = 0; ch < nCh; ch++ ){
int index = data->DataIndex[ch];
if( index == -1 ) continue;
if( data->Timestamp[ch][index] > latestTime ) {
latestTime = data->Timestamp[ch][index];
}
}
printf("--- latest time %lld \n", latestTime);
}
void OnlineEventBuilder::BuildEvents(unsigned short timeWindow, bool verbose){
this->timeWindow = timeWindow;
FindLatestTime();
FindEarlistTimeAndCh();
if( earlistCh == -1 || nExhaushedCh == nCh) return; /// no data
//======= Start building event
do{
eventIndex ++;
if( eventIndex >= MaxNEvent ) eventIndex = 0;
unsigned long long dT =0;
dataPoint dp = {0, 0, 0};
for( unsigned int i = 0; i < nCh; i++){
int ch = (i + earlistCh ) % nCh;
if( chExhaused[ch] ) continue;
if( nextIndex[ch] > data->DataIndex[ch]) {
nExhaushedCh ++;
chExhaused[ch] = true;
continue;
}
do {
unsigned long long time = data->Timestamp[ch][nextIndex[ch]];
if( time - earlistTime < timeWindow ){
dp.ch = ch;
dp.energy = data->Energy[ch][nextIndex[ch]];
dp.timeStamp = time;
events[eventIndex].push_back(dp);
nextIndex[ch]++;
if( nextIndex[ch] >= MaxNData) nextIndex[ch] = 0;
}else{
break;
}
}while( dT < timeWindow);
}
std::sort(events[eventIndex].begin(), events[eventIndex].end(), [](const dataPoint& a, const dataPoint& b) {
return a.timeStamp < b.timeStamp;
});
///Find the next earlist
FindEarlistTimeAndCh();
if( verbose ){
printf(">>>>>>>>>>>>>>>>>>>>>>>>> Event ID : %ld\n", eventIndex);
for( int i = 0; i <(int) events[eventIndex].size(); i++){
printf("%02d | %5d %llu \n", events[eventIndex][i].ch, events[eventIndex][i].energy, events[eventIndex][i].timeStamp);
}
if( nExhaushedCh == nCh ) {
printf("######################### no more event to be built\n");
break;
}
printf("----- next ch : %d, next earlist Time : %llu \n", earlistCh, earlistTime);
}
if( latestTime - earlistTime <= timeWindow ) {
if( verbose ) {
printf("######################### left over data for next build\n");
}
break;
}
}while(nExhaushedCh < nCh);
}