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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2008 by Maurus Cuelenaere
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#ifndef __TOUCHSCREEN_INCLUDE_H_
#define __TOUCHSCREEN_INCLUDE_H_
struct touchscreen_calibration
{
int x[3][2];
int y[3][2];
};
struct touchscreen_parameter
{
int A, B, C, D, E, F;
int divider;
};
enum touchscreen_mode
{
TOUCHSCREEN_POINT = 0, /* touchscreen returns pixel co-ords */
TOUCHSCREEN_BUTTON, /* touchscreen returns BUTTON_* area codes
actual pixel value will still be accessible
from button_get_data */
};
extern struct touchscreen_parameter calibration_parameters;
extern const struct touchscreen_parameter default_calibration_parameters;
int touchscreen_calibrate(struct touchscreen_calibration *cal);
int touchscreen_to_pixels(int x, int y, int *data);
void touchscreen_set_mode(enum touchscreen_mode mode);
enum touchscreen_mode touchscreen_get_mode(void);
void touchscreen_disable_mapping(void);
void touchscreen_reset_mapping(void);
int touchscreen_get_scroll_threshold(void);
#endif /* __TOUCHSCREEN_INCLUDE_H_ */
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