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#include "EventFilter/CSCRawToDigi/interface/CSCGEMData.h"
#include "DataFormats/GEMDigi/interface/GEMPadDigiCluster.h"
#include "FWCore/MessageLogger/interface/MessageLogger.h"
#include "DataFormats/CSCDigi/interface/CSCConstants.h"
#include <string>
#include <cstdio>
#include <strings.h> // for bzero
#include <cstring>
#include <iostream>
#ifdef LOCAL_UNPACK
bool CSCGEMData::debug = false;
#else
std::atomic<bool> CSCGEMData::debug{false};
#endif
CSCGEMData::CSCGEMData(int ntbins, int gems_fibers) : ntbins_(ntbins), size_(0) {
theData[0] = 0x6C04;
ntbins_ = ntbins;
gems_enabled_ = gems_fibers;
ngems_ = 0;
/* Not implemented in the firmware yet */
/*
for (int i=0; i<4; i++)
ngems_ += (gems_fibers>>i) & 0x1;
*/
ngems_ = 4;
size_ = 2 + ntbins_ * ngems_ * 4;
/// initialize GEM data
for (int i = 0; i < (size_ - 2); i++) {
int gem_chamber = (i % 16) / 8;
theData[i + 1] = 0x3FFF | (gem_chamber << 14);
}
theData[size_ - 1] = 0x6D04;
}
CSCGEMData::CSCGEMData(const unsigned short* buf, int length, int gems_fibers) : size_(length) {
size_ = length;
ngems_ = 0;
/* Not implemented in the firmware yet */
/*
for (int i=0; i<4; i++)
ngems_ += (gems_fibers>>i) & 0x1;
*/
ngems_ = 4;
ntbins_ = (size_ - 2) / (4 * ngems_);
gems_enabled_ = gems_fibers;
memcpy(theData, buf, size_ * 2);
}
void CSCGEMData::print() const {
LogTrace("CSCGEMData|CSCRawToDigi") << "CSCGEMData.Print";
for (int line = 0; line < ((size_)); ++line) {
LogTrace("CSCGEMData|CSCRawToDigi") << std::hex << theData[line];
}
}
int CSCGEMData::getPartitionNumber(int addr, int npads) const { return addr / (npads - 1); }
int CSCGEMData::getPartitionStripNumber(int address, int nPads, int etaPart) const {
return address - (nPads * etaPart);
}
std::vector<GEMPadDigiCluster> CSCGEMData::digis(int gem_chamber) const {
/// GEM data format v2
std::vector<GEMPadDigiCluster> result;
result.clear();
int nPads = 192; // From geometry
int maxClusters = 4;
int nGEMs = 4;
// nGEMs = ngems_; // based on enabled fibers. not implemented in the firmware yet
for (int i = 0; i < ntbins_; i++) {
for (int fiber = 0; fiber < nGEMs; fiber++) {
for (int cluster = 0; cluster < maxClusters; cluster++) {
int dataAddr = 1 + (i * nGEMs + fiber) * maxClusters + cluster;
int gem_layer = (theData[dataAddr] >> 14) & 0x1; // gemA=0 or gemB=1
if (gem_layer == gem_chamber) {
int cl_word = theData[dataAddr] & 0x3fff;
int pad = theData[dataAddr] & 0xff;
int eta = (theData[dataAddr] >> 8) & 0x7;
int cluster_size = (theData[dataAddr] >> 11) & 0x7;
if (pad < nPads) {
int padInPart = eta * nPads + pad;
if (debug)
LogTrace("CSCGEMData|CSCRawToDigi")
<< "GEMlayer" << gem_layer << " cl_word" << dataAddr << ": 0x" << std::hex << cl_word << std::dec
<< " tbin: " << i << " fiber#: " << (fiber + 1) << " cluster#: " << (cluster + 1)
<< " padInPart: " << padInPart << " pad: " << pad << " eta: " << eta
<< " cluster_size: " << cluster_size << std::endl;
std::vector<short unsigned int> pads;
for (int iP = 0; iP <= cluster_size; ++iP)
pads.push_back(padInPart + iP);
GEMPadDigiCluster pad_cluster(pads, i);
result.push_back(pad_cluster);
}
}
}
}
}
/// GEM data format v1
/// It is not used in the production
/// Keeping this commented code just for v1 unpacking algo reference
/*
std::vector<GEMPadDigiCluster> result;
result.clear();
int nPads = 192; // From geometry
int maxAddr = 1536;
int nGEMs = 2;
int maxClusters = 8;
// std::cout << std::hex << "markers " << theData[0] << ": " << theData[size_-1] << std::dec << " size: " << size_ << std::endl;
for (int i=0; i<ntbins_; i++)
{
for (int gem=0; gem<nGEMs; gem++)
{
if (gem==gem_chamber) // Return only digis for specified GEM chamber
{
for (int TMBCluster=0; TMBCluster<maxClusters; TMBCluster++)
{
int dataAddr = 1 + (i*nGEMs+gem)*maxClusters + TMBCluster;
int address = theData[dataAddr] & 0x7ff;
// std::cout << dataAddr << ": " << address <<std::endl;
int nExtraPads = (theData[dataAddr] >>11)&0x7;
if (address<maxAddr)
{
int etaPart = getPartitionNumber(address,nPads);
int padInPart = getPartitionStripNumber(address,nPads,etaPart);
vector<short unsigned int> pads;
for(int iP = 0; iP <= nExtraPads; ++iP)
pads.push_back(padInPart + iP );
GEMPadDigiCluster cluster ( pads, i);
result.push_back(cluster);
}
}
}
}
}
*/
return result;
}
/// Unpack GEMPadDigiCluster digi trigger objects per eta/roll
/// gem_chamber - GEM GE11 layer gemA/B [0,1]
/// eta_roll - GEM eta/roll 8 rolls per GEM layer [0-7]
std::vector<GEMPadDigiCluster> CSCGEMData::etaDigis(int gem_chamber, int eta_roll, int alctMatchTime) const {
/// GEM data format v2
std::vector<GEMPadDigiCluster> result;
result.clear();
int nPads = 192; // From geometry
int maxClusters = 4;
int nGEMs = 4;
// nGEMs = ngems_; // based on enabled fibers. currently not implemented in the firmware
for (int i = 0; i < ntbins_; i++) {
for (int fiber = 0; fiber < nGEMs; fiber++) {
for (int cluster = 0; cluster < maxClusters; cluster++) {
int dataAddr = 1 + (i * nGEMs + fiber) * maxClusters + cluster;
int gem_layer = (theData[dataAddr] >> 14) & 0x1; // gemA=0 or gemB=1
if (gem_layer == gem_chamber) {
int cl_word = theData[dataAddr] & 0x3fff;
int pad = theData[dataAddr] & 0xff;
int eta = (theData[dataAddr] >> 8) & 0x7;
int cluster_size = (theData[dataAddr] >> 11) & 0x7;
if ((pad < nPads) && (eta == eta_roll)) {
int padInPart = pad;
if (debug)
LogTrace("CSCGEMData|CSCRawToDigi")
<< "GEMlayer" << gem_layer << " cl_word" << dataAddr << ": 0x" << std::hex << cl_word << std::dec
<< " tbin: " << i << " fiber#: " << (fiber + 1) << " cluster#: " << (cluster + 1)
<< " padInPart: " << padInPart << " pad: " << pad << " eta: " << eta
<< " cluster_size: " << cluster_size << " alctMatchTime: " << alctMatchTime << std::endl;
std::vector<short unsigned int> pads;
for (int iP = 0; iP <= cluster_size; ++iP)
pads.push_back(padInPart + iP);
GEMPadDigiCluster pad_cluster(pads, i);
pad_cluster.setAlctMatchTime(alctMatchTime);
result.push_back(pad_cluster);
}
}
}
}
}
return result;
}
/// Add/pack GEMPadDigiCluster digi trigger objects per eta/roll
/// gem_chamber - GEM GE11 layer gemA/B [0,1]
/// eta_roll - GEM eta/roll 8 rolls per GEM layer [0-7]
void CSCGEMData::addEtaPadCluster(const GEMPadDigiCluster& digi, int gem_chamber, int eta_roll) {
int bx = digi.bx();
/// Check that bx < GEM data max allocated tbins and that gem_chamber/layer is in 0,1 range
if ((gem_chamber < 2) && (bx < ntbins_)) {
int gem_layer = gem_chamber & 0x1;
int cluster_size = digi.pads().size() - 1;
int pad = digi.pads()[0];
int eta = eta_roll;
int cl_word = (gem_layer << 14) + (pad & 0xff) + ((eta & 0x7) << 8) + ((cluster_size & 0x7) << 11);
int dataAddr = 1 + bx * 16 + 8 * gem_layer;
int cluster_num = 0;
/// search for first free/empty cluster word
while (((theData[dataAddr + cluster_num] & 0x3fff) != 0x3fff) && (cluster_num < 8)) {
cluster_num++;
}
/// fill free cluster word if it was found
if (((theData[dataAddr + cluster_num] & 0x3fff) == 0x3fff) && (cluster_num < 8)) {
theData[dataAddr + cluster_num] = cl_word;
}
}
}
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