touch.h

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#ifndef TOUCH_H
#define TOUCH_H

#include<stdbool.h>
#include<stdint.h>


typedef enum {
    TOUCH_UP, 
    TOUCH_DOWN 
} TOUCH_STATE ;

typedef enum {
    NONE=0x00,      
    PEN_DOWN=0x01,  
    PEN_UP=0x02,    
    PEN_ENTER=0x04, 
    PEN_LEAVE=0x08, 
    PEN_MOVE=0x10   
} TOUCH_ACTION;

typedef void (*TOUCH_CALLBACK)(void* touchArea, TOUCH_ACTION triggeredAction);

typedef struct {
        TOUCH_ACTION hookedActions; 
        uint16_t x1; 
        uint16_t y1; 
        uint16_t x2; 
        uint16_t y2; 
        TOUCH_CALLBACK callback; 
        uint8_t flags; 
} TOUCH_AREA_STRUCT;


typedef struct {
    uint16_t x; 
    uint16_t y; 
} POINT_STRUCT;

bool touch_init();

bool touch_add_raw_event(uint16_t x, uint16_t y,TOUCH_STATE state);

bool touch_have_empty(unsigned char num);

bool touch_register_area(TOUCH_AREA_STRUCT* area);

void touch_unregister_area(TOUCH_AREA_STRUCT* area);

POINT_STRUCT touch_get_last_point();

void touch_set_calibration_values(int xs, int dx, int ys, int dy);


void touch_set_value_convert_mode(bool use_calibration);

#endif /* TOUCH_H */