TDEEthTypeAdapter.hpp

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#ifndef FDREADOUTLIBS_INCLUDE_FDREADOUTLIBS_TDEETHTYPEADAPTER_HPP_
#define FDREADOUTLIBS_INCLUDE_FDREADOUTLIBS_TDEETHTYPEADAPTER_HPP_
 
#include "daqdataformats/FragmentHeader.hpp"
#include "daqdataformats/SourceID.hpp"
#include "fddetdataformats/TDEEthFrame.hpp"
 
#include <cstdint> // uint_t types
#include <memory>  // unique_ptr
#include <vector>
#include <cstring> // memcpy
#include <tuple> // tie
 
namespace dunedaq {
namespace fdreadoutlibs {
namespace types {

const constexpr std::size_t kTDEEthSize = 7200; 
struct TDEEthTypeAdapter
{
  using FrameType = dunedaq::fddetdataformats::TDEEthFrame;
 
  // data
  char data[kTDEEthSize];
  // comparable based on first timestamp
  bool operator<(const TDEEthTypeAdapter& other) const
  {
    auto thisptr = reinterpret_cast<const FrameType*>(&data);        // NOLINT
    auto otherptr = reinterpret_cast<const FrameType*>(&other.data); // NOLINT
    return thisptr->get_timestamp() < otherptr->get_timestamp() ? true : false;
  }
 
  uint64_t get_timestamp() const // NOLINT(build/unsigned)
  {
    return reinterpret_cast<const FrameType*>(&data)->get_timestamp(); // NOLINT
  }
 
  void set_timestamp(uint64_t ts) // NOLINT(build/unsigned)
  {
    auto frame = reinterpret_cast<FrameType*>(&data); // NOLINT
    frame->set_timestamp(ts);
  }
 
  void fake_timestamps(uint64_t first_timestamp, uint64_t /*offset*/ = 2048 ) // NOLINT(build/unsigned)
  {
    auto wef = reinterpret_cast<FrameType*>(((uint8_t*)(&data))); // NOLINT
    wef->set_timestamp(first_timestamp);
  }
 
  void fake_geoid(uint16_t crate_id, uint16_t slot_id, uint16_t stream_id) {
      for (unsigned int i = 0; i < get_num_frames(); ++i) {
        auto df = reinterpret_cast<FrameType*>((reinterpret_cast<uint8_t*>(&data)) + i * get_frame_size());
        df->daq_header.crate_id = crate_id;
        df->daq_header.slot_id = slot_id;
        df->daq_header.stream_id = stream_id;
      }
  }
 
  void fake_adc_pattern(int channel) {
    auto frame = reinterpret_cast<FrameType*>(&data); // NOLINT
    // Set the ADC to the uint16 maximum value 
    // AAA: setting only the first time sample
    frame->set_adc(channel, 0, 16383);
  }
 
  void fake_frame_errors(std::vector<uint16_t>* /*fake_errors*/) // NOLINT
  {
    // Set error bits in header
  }
 
  FrameType* begin()
  {
    return reinterpret_cast<FrameType*>(&data[0]); // NOLINT
  }
 
  FrameType* end()
  {
    return reinterpret_cast<FrameType*>(data + kTDEEthSize); // NOLINT
  }
 
  size_t get_payload_size() { return kTDEEthSize; }
 
  size_t get_num_frames() { return 1; }
 
  size_t get_frame_size() { return kTDEEthSize; }
 
  static const constexpr size_t fixed_payload_size = 7200;
  static const constexpr daqdataformats::SourceID::Subsystem subsystem = daqdataformats::SourceID::Subsystem::kDetectorReadout;
  static const constexpr daqdataformats::FragmentType fragment_type = daqdataformats::FragmentType::kTDEEth;
  // NOTE: the expected_tick_difference is different from WIBs because of the TDE sampling rate
  static const constexpr uint64_t expected_tick_difference = 2000; // NOLINT(build/unsigned)
  static const constexpr uint64_t samples_per_frame = 64; // NOLINT(build/unsigned)
  // NOTE: this is actually 31.25
  static const constexpr float samples_tick_difference = 31.25; // NOLINT(build/unsigned)
};
 
static_assert(sizeof(dunedaq::fddetdataformats::TDEEthFrame) == kTDEEthSize,
              "Check your assumptions on TDEEthTypeAdapter");
 
 
} // namespace types
} // namespace fdreadoutlibs
} // namespace dunedaq
 
#endif /* FDREADOUTLIBS_INCLUDE_FDREADOUTLIBS_TDEETHTYPEADAPTER_HPP_ */