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#ifndef DataFormats_L1TrackTrigger_TTDTC_h
#define DataFormats_L1TrackTrigger_TTDTC_h
#include "DataFormats/L1TrackTrigger/interface/TTTypes.h"
#include "DataFormats/L1TrackTrigger/interface/TTBV.h"
#include <bitset>
#include <utility>
#include <vector>
/*!
* \class TTDTC
* \brief Class to store hardware like structured TTStub Collection used by Track Trigger emulators
* \author Thomas Schuh
* \date 2020, Jan
*/
class TTDTC {
public:
TTDTC() {}
TTDTC(int numRegions, int numOverlappingRegions, int numDTCsPerRegion);
~TTDTC() {}
// all regions [default 0..8]
const std::vector<int>& tfpRegions() const { return regions_; }
// all TFP channel [default 0..47]
const std::vector<int>& tfpChannels() const { return channels_; }
// write one specific stream of TTStubRefs using DTC identifier (region[0-8], board[0-23], channel[0-1])
// dtcRegions aka detector regions are defined by tk layout
void setStream(int dtcRegion, int dtcBoard, int dtcChannel, const tt::StreamStub& stream);
// read one specific stream of TTStubRefs using TFP identifier (region[0-8], channel[0-47])
// tfpRegions aka processing regions are rotated by -0.5 region width w.r.t detector regions
const tt::StreamStub& stream(int tfpRegion, int tfpChannel) const;
// total number of frames
int size() const;
// total number of stubs
int nStubs() const;
// total number of gaps
int nGaps() const;
private:
// converts DTC identifier (region[0-8], board[0-23], channel[0-1]) into allStreams_ index [0-431]
int index(int dtcRegion, int dtcBoard, int dtcChannel) const;
// converts TFP identifier (region[0-8], channel[0-47]) into allStreams_ index [0-431]
int index(int tfpRegion, int tfpChannel) const;
// number of phi slices the outer tracker readout is organized in [default 9]
int numRegions_;
// number of regions a reconstructable particle may cross [default 2]
int numOverlappingRegions_;
// number of DTC boards used to readout a detector region [default 24]
int numDTCsPerRegion_;
// number of DTC boards connected to one TFP [default 48]
int numDTCsPerTFP_;
// all regions [default 0..8]
std::vector<int> regions_;
// all TFP channel [default 0..47]
std::vector<int> channels_;
// collection of all optical links between DTC and TFP [default 432 links]
tt::StreamsStub streams_;
};
#endif
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