table2d.h

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/*
This file is used for everything related to maps/tables including their definition, functions etc
*/
#ifndef TABLE_H
#define TABLE_H
 
#include "globals.h"
 
#define SIZE_SIGNED_BYTE    4
#define SIZE_BYTE           8
#define SIZE_INT            16
 
/*
The 2D table can contain either 8-bit (byte) or 16-bit (int) values
The valueSize variable should be set to either 8 or 16 to indicate this BEFORE the table is used
*/
struct table2D {
  //Used 5414 RAM with original version
  byte valueSize;
  byte axisSize;
  byte xSize;
 
  void *values;
  void *axisX;
 
  //int16_t *values16;
  //int16_t *axisX16;
 
  //Store the last X and Y coordinates in the table. This is used to make the next check faster
  int16_t lastXMax;
  int16_t lastXMin;
 
  //Store the last input and output for caching
  int16_t lastInput;
  int16_t lastOutput;
  byte cacheTime; //Tracks when the last cache value was set so it can expire after x seconds. A timeout is required to pickup when a tuning value is changed, otherwise the old cached value will continue to be returned as the X value isn't changing. 
};
 
void construct2dTable(table2D &table, uint8_t length, uint8_t *values, uint8_t *bins);
void construct2dTable(table2D &table, uint8_t length, uint8_t *values, int8_t *bins);
void construct2dTable(table2D &table, uint8_t length, uint16_t *values, uint16_t *bins);
void construct2dTable(table2D &table, uint8_t length, uint8_t *values, uint16_t *bins);
void construct2dTable(table2D &table, uint8_t length, uint16_t *values, uint8_t *bins);
void construct2dTable(table2D &table, uint8_t length, int16_t *values, uint8_t *bins);
 
int16_t table2D_getAxisValue(struct table2D *fromTable, byte X_in);
int16_t table2D_getRawValue(struct table2D *fromTable, byte X_index);
 
int table2D_getValue(struct table2D *fromTable, int X_in);
 
#endif // TABLE_H