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Add generic touchscreen driver which allows calibration (apps/ layer will follow later).

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20055 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-02-19 22:15:02 +00:00
parent 1cb3ff0ab0
commit 44eba07516
5 changed files with 230 additions and 92 deletions
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48
firmware/export/touchscreen.h Executable file
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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];
int xfb[3];
int y[3];
int yfb[3];
};
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 */
};
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);
#endif /* __TOUCHSCREEN_INCLUDE_H_ */