int history_change(history_t* past, U16 frame, char* parameter);
float history_value(history_t* past, U16 frame, char* parameter);
int history_changeFilter(history_t* past, U16 frame);
int history_change(history_t* past, U16 frame, char* parameter);
float history_value(history_t* past, U16 frame, char* parameter);
int history_changeFilter(history_t* past, U16 frame);