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#ifndef EventFilter_Phase2TrackerRawToDigi_Phase2TrackerPhase2TrackerFEDRawChannelUnpacker_H // {
#define EventFilter_Phase2TrackerRawToDigi_Phase2TrackerPhase2TrackerFEDRawChannelUnpacker_H
#include "EventFilter/Phase2TrackerRawToDigi/interface/Phase2TrackerFEDDAQHeader.h"
#include "EventFilter/Phase2TrackerRawToDigi/interface/Phase2TrackerFEDDAQTrailer.h"
#include "EventFilter/Phase2TrackerRawToDigi/interface/Phase2TrackerFEDChannel.h"
#include <cstdint>
namespace Phase2Tracker {
// unpacker for RAW CBC data
// each bit of the channel is related to one strip
class Phase2TrackerFEDRawChannelUnpacker {
public:
Phase2TrackerFEDRawChannelUnpacker(const Phase2TrackerFEDChannel& channel);
uint8_t stripIndex() const { return currentStrip_; }
bool stripOn() const { return bool((currentWord_ >> bitInWord_) & 0x1); }
bool hasData() const { return valuesLeft_; }
Phase2TrackerFEDRawChannelUnpacker& operator++();
Phase2TrackerFEDRawChannelUnpacker& operator++(int);
private:
const uint8_t* data_;
uint8_t currentOffset_;
uint8_t currentStrip_;
uint16_t valuesLeft_;
uint8_t currentWord_;
uint8_t bitInWord_;
}; // end of Phase2TrackerFEDRawChannelUnpacker
inline Phase2TrackerFEDRawChannelUnpacker::Phase2TrackerFEDRawChannelUnpacker(const Phase2TrackerFEDChannel& channel)
: data_(channel.data()),
currentOffset_(channel.offset()),
currentStrip_(0),
valuesLeft_((channel.length()) * 8 - STRIPS_PADDING),
currentWord_(channel.data()[currentOffset_ ^ 7]),
bitInWord_(0) {}
inline Phase2TrackerFEDRawChannelUnpacker& Phase2TrackerFEDRawChannelUnpacker::operator++() {
bitInWord_++;
currentStrip_++;
if (bitInWord_ > 7) {
bitInWord_ = 0;
currentOffset_++;
currentWord_ = data_[currentOffset_ ^ 7];
}
valuesLeft_--;
return (*this);
}
inline Phase2TrackerFEDRawChannelUnpacker& Phase2TrackerFEDRawChannelUnpacker::operator++(int) {
++(*this);
return *this;
}
} // namespace Phase2Tracker
#endif // } end def EventFilter_Phase2TrackerRawToDigi_Phase2TrackerPhase2TrackerFEDRawChannelUnpacker_H
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