include/touch/touch.h File Reference

General touch driver. More...

#include <stdint.h>

Go to the source code of this file.

Data Structures
struct	touch_point
	Panel coordinate and measurement data of a single touch. More...
struct	touch_calibration_matrix
	Calibration matrix coefficients. More...
struct	touch_event
	Contains touch event type and touch point data. More...
Defines
#define	TOUCH_NR_CALIBRATION_POINTS   3
	Number of calibration points needed for driver.
Typedefs
typedef struct touch_point	touch_calibration_points_t [TOUCH_NR_CALIBRATION_POINTS]
	Array to hold calibration points.
typedef void(*	touch_event_handler_t )(const struct touch_event *event)
	Pointer to touch event handler function.
Enumerations
enum	touch_event_types
	Enumeration of different touch event types for the touch_event struct. More...
Functions
void	touch_init (void)
	Initialize the touch driver.
void	touch_enable (void)
	Enable touch detection and sampling.
void	touch_disable (void)
	Disable touch detection and sampling.
void	touch_get_event (struct touch_event *buffer)
	Get last detected touch event from driver to buffer.
bool	touch_is_touched (void)
	Return current state of touch driver.
void	touch_set_calibration_matrix (const struct touch_calibration_matrix *matrix)
	Assign a calibration matrix to the driver.
void	touch_get_calibration_matrix (struct touch_calibration_matrix *buffer)
	Copy calibration matrix from driver to a buffer.
void	touch_compute_calibration_matrix (const touch_calibration_points_t points, struct touch_calibration_matrix *matrix)
	Compute a calibration matrix.
void	touch_set_event_handler (touch_event_handler_t handler)
	Set touch event handler for driver.
touch_event_handler_t	touch_get_event_handler (void)
	Get current touch event handler from driver.

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Detailed Description

General touch driver.

Copyright (C) 2009 Atmel Corporation. All rights reserved.

Definition in file touch.h.