95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/*
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ChibiOS/GFX - Copyright (C) 2012
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS/GFX.
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ChibiOS/GFX is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/GFX is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file touchpad.h
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* @brief TOUCHPAD Touchpad Driver subsystem header file.
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*
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* @addgroup TOUCHPAD
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* @{
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*/
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#ifndef _TOUCHPAD_H
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#define _TOUCHPAD_H
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#if GFX_USE_TOUCHPAD || defined(__DOXYGEN__)
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/**
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* @brief specifies how many conversions are made for a readout.
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*
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* @note higher is more accurate, but takes more time
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*/
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#define CONVERSIONS 3
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/*===========================================================================*/
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/* Driver constants. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Low Level Driver details and error checks. */
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/*===========================================================================*/
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/* Include the low level driver information */
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#include "touchpad_lld.h"
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/*===========================================================================*/
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/* Type definitions */
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/*===========================================================================*/
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/**
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* @brief Struct used for calibration
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*/
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typedef struct cal_t {
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float xm;
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float ym;
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float xn;
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float yn;
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} cal_t;
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/*===========================================================================*/
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/* External declarations. */
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/*===========================================================================*/
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#ifdef __cplusplus
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extern "C" {
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#endif
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void tpInit(const TOUCHPADDriver *tp);
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uint16_t tpReadX(void);
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uint16_t tpReadY(void);
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void tpCalibrate(void);
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#if TOUCHPAD_HAS_IRQ
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uint8_t tpIRQ(void);
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#endif
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#if TOUCHPAD_HAS_PRESSURE
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uint16_t tpReadZ(void);
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#endif
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#ifdef __cplusplus
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}
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#endif
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#endif /* GFX_USE_TOUCHPAD */
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#endif /* _TOUCHPAD_H */
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/** @} */
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