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/*
ChibiOS/GFX - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
ChibiOS/GFX 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 3 of the License, or
(at your option) any later version.
ChibiOS/GFX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file include/touchscreen.h
* @brief TOUCHSCREEN Touchscreen driver subsystem header file.
*
* @addtogroup TOUCHSCREEN
* @{
*/
#ifndef TOUCHSCREEN_H
#define TOUCHSCREEN_H
#if GFX_USE_TOUCHSCREEN || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Low Level Driver details and error checks. */
/*===========================================================================*/
/* Include the low level driver information */
#include "lld/touchscreen/touchscreen_lld.h"
/* For definitions of coord_t, we require gdisp.h */
#include "gdisp.h"
/*===========================================================================*/
/* Type definitions */
/*===========================================================================*/
/**
* @brief Struct used for calibration
*/
typedef struct cal_t {
float ax;
float bx;
float cx;
float ay;
float by;
float cy;
} cal_t;
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void tsInit(const TouchscreenDriver *ts);
coord_t tsReadX(void);
coord_t tsReadY(void);
void tsCalibrate(void);
#if TOUCHSCREEN_HAS_PRESSED
bool_t tsPressed(void);
#endif
#if TOUCHSCREEN_HAS_PRESSURE
uint16_t tsReadZ(void);
#endif
#ifdef __cplusplus
}
#endif
#endif /* GFX_USE_TOUCHSCREEN */
#endif /* TOUCHSCREEN_H */
/** @} */
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