131 lines
3.8 KiB
C
131 lines
3.8 KiB
C
/*
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ChibiOS-LCD-Driver - Copyright (C) 2012
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Joel Bodenmann aka Tectu <joel@unormal.org>
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This file is part of ChibiOS-LCD-Driver.
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ChibiOS-LCD-Driver 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-LCD-Driver 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.c
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* @brief Touchpad Driver code.
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*
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* @addgroup TOUCHPAD
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* @{
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*/
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#include "ch.h"
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#include "hal.h"
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#include "touchpad.h"
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#if HAL_USE_TOUCHPAD || defined(__DOXYGEN__)
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#if GDISP_NEED_MULTITHREAD
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#warning "GDISP: Multithread support not complete"
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#define MUTEX_INIT /* Not defined yet */
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#define MUTEX_ENTER /* Not defined yet */
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#define MUTEX_EXIT /* Not defined yet */
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#endif
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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#ifdef UNUSED
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#elif defined(__GNUC__)
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# define UNUSED(x) UNUSED_ ## x __attribute__((unused))
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#elif defined(__LCLINT__)
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# define UNUSED(x) /*@unused@*/ x
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#else
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# define UNUSED(x) x
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#endif
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/*===========================================================================*/
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/* Driver exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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#if TOUCHPAD_NEED_MULTITHREAD || defined(__DOXYGEN__)
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/**
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* @brief Touchpad Driver initialization.
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* @note This function is NOT currently implicitly invoked by @p halInit().
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* It must be called manually.
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*
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* @init
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*/
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void tpInit(TOUCHPADDriver * UNUSED(tp)) {
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/* Initialise Mutex */
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MUTEX_INIT
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/* Initialise driver */
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MUTEX_ENTER
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tp_lld_init(tp);
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MUTEX_EXIT
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}
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#endif
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#if TOUCHPAD_NEED_MULTITHREAD || defined(__DOXYGEN__)
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/**
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* @brief Get the X-Coordinate, relative to screen zero point.
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*
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* @return The X position in pixels.
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*
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* @api
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*/
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uint16_t tpReadX(void) {
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return (tp_lld_read_x());
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}
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#endif
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#if TOUCHPAD_NEED_MULTITHREAD || defined(__DOXYGEN__)
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/**
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* @brief Get the X-Coordinate, relative to screen zero point.
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*
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* @return The Y position in pixels.
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*
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* @api
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*/
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uint16_t tpReadY(void) {
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return (tp_lld_read_y());
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}
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#endif
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#if TOUCHPAD_NEED_MULTITHREAD || defined(__DOXYGEN__)
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/**
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* @brief Get the pressure.
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*
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* @return The pressure.
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*
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* @api
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*/
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uint16_t tpReadZ(void) {
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return (tp_lld_read_z());
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}
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#endif
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#endif /* HAL_USE_TOUCHPAD */
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/** @} */
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