101 lines
2.8 KiB
C
101 lines
2.8 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 include/touchscreen.h
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* @brief TOUCHSCREEN Touchscreen driver subsystem header file.
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*
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* @addtogroup TOUCHSCREEN
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* @{
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*/
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#ifndef TOUCHSCREEN_H
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#define TOUCHSCREEN_H
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#if GFX_USE_TOUCHSCREEN || 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 "touchscreen_lld.h"
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/* For definitions of coord_t, we require gdisp.h */
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#include "gdisp.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 ax;
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float bx;
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float cx;
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float ay;
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float by;
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float cy;
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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 tsInit(const TouchscreenDriver *ts);
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coord_t tsReadX(void);
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coord_t tsReadY(void);
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void tsCalibrate(void);
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#if TOUCHSCREEN_HAS_IRQ
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bool_t tsIRQ(void);
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#endif
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#if TOUCHSCREEN_HAS_PRESSURE
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uint16_t tsReadZ(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_TOUCHSCREEN */
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#endif /* TOUCHSCREEN_H */
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/** @} */
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