Taiko-Drum-Controller-Arduino/sanro/cache.h
2016-03-24 21:56:54 +08:00

50 lines
1.1 KiB
C++

/***************************************************************
* *
* 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