/***************************************************************
 *                                                             *
 *                Taiko Sanro - Arduino                        *
 *                 Cache data structure                        *
 *                                                             *
 *                        Chris                                *
 *                   wisaly@gmail.com                          *
 *                                                             *
 ***************************************************************/

#ifndef CACHE_H
#define CACHE_H

template<class T, int L>
class Cache
{
public:
  Cache();
  void put(T value);
  T get(int offset = 0) const;

private:
  T data_[L];
  int current_ = 0;
};

template<class T, int L>
Cache<T,L>::Cache()
{
  for (int i = 0; i < L; i++){
    data_[i] = 0;
  }
}

template<class T, int L>
void Cache<T,L>::put(T value)
{
  data_[current_] = value;
  current_ = (current_ + 1) % L;
}

template<class T, int L>
T Cache<T,L>::get(int offset) const
{
   int index = (current_ + offset) % L;
   return data_[index];
}

#endif // CACHE_H