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/*
ChibiOS-LCD-Driver/RT - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS-LCD-Driver.
ChibiOS-LCD-Driver 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-LCD-Driver 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 touchpad.h
* @brief TOUCHPAD Touchpad Driver subsystem header file.
*
* @addgroup TOUCHPAD
* @{
*/
#ifndef _TOUCHPAD_H
#define _TOUCHPAD_H
#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__)
/**
* @brief specifies how many conversions are made for a readout.
*
* @note higher is more accurate, but takes more time
*/
#define CONVERSIONS 3
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/*===========================================================================*/
/* Low Level Driver details and error checks. */
/*===========================================================================*/
/* Include the low level driver information */
#include "touchpad_lld.h"
/*===========================================================================*/
/* Type definitions */
/*===========================================================================*/
/**
* @brief Struct used for calibration
*/
struct cal {
float xm;
float ym;
float xn;
float yn;
};
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void tpInit(const TOUCHPADDriver *tp);
uint16_t tpReadX(void);
uint16_t tpReadY(void);
#if TOUCHPAD_HAS_IRQ
uint8_t tpIRQ(void);
#endif
#if TOUCHPAD_HAS_PRESSURE
uint16_t tpReadZ(void);
#endif
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_TOUCHPAD */
#endif /* _TOUCHPAD_H */
/** @} */
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