rtouch.h File Reference

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

Data Structures
struct	rtouch_calibration_matrix_struct
	Calibration matrix coefficients, computed from three calibration points. More...
struct	rtouch_calibration_point_struct
	Info for one calibration point, raw samples and actual panel position. More...
struct	rtouch_calibration_points_struct
	Collection of the three calibration points required to compute calibration. More...
struct	rtouch_event_struct
	User-friendly touch event structure. More...

Typedefs
typedef struct rtouch_calibration_matrix_struct	rtouch_calibration_matrix_t
	Calibration matrix coefficients, computed from three calibration points. More...
typedef struct rtouch_calibration_point_struct	rtouch_calibration_point_t
	Info for one calibration point, raw samples and actual panel position. More...
typedef struct rtouch_calibration_points_struct	rtouch_calibration_points_t
	Collection of the three calibration points required to compute calibration. More...
typedef void(*	rtouch_event_handler_t )(rtouch_event_t const *event)
	Type definition for a user touch event callback function. More...
typedef struct rtouch_event_struct	rtouch_event_t
	User-friendly touch event structure. More...
typedef enum rtouch_event_type_enum	rtouch_event_type_t
	Event type used by event struct rtouch_event_t. More...

Enumerations
enum	rtouch_event_type_enum {   RTOUCH_NO_EVENT,   RTOUCH_PRESS,   RTOUCH_MOVE,   RTOUCH_RELEASE }
	Event type used by event struct rtouch_event_t. More...

Functions
void	rtouch_compute_calibration_matrix (rtouch_calibration_points_t const *points, rtouch_calibration_matrix_t *matrix)
	Compute a raw coordinate to screen coordinate calibration matrix. More...
void	rtouch_disable (void)
	Disables the resistive touch screen driver. More...
void	rtouch_enable (void)
	Enables touch detection of the driver once initialized. More...
void	rtouch_get_calibration_matrix (rtouch_calibration_matrix_t *destination)
	Gets the currently set touch driver calibration matrix. More...
void	rtouch_get_event (rtouch_event_t *event)
	Retrieve the last touch event. More...
rtouch_event_handler_t	rtouch_get_event_handler (void)
	Gets the currently set touch screen event handler callback function. More...
void	rtouch_init (void)
bool	rtouch_is_touched (void)
	Determine if the screen is currently being touched. More...
void	rtouch_set_calibration_matrix (rtouch_calibration_matrix_t const *source)
	Set the touch driver calibration matrix. More...
void	rtouch_set_event_handler (rtouch_event_handler_t handler)
	Set the touch screen event handler callback function. More...