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/*
* This source code form is a part of the ChibiOS/GFX project and stands
* under the terms of the GFX License v1.0. If a copy of the license
* was not distributed with this file, You can obtain one at:
*
* http://chibios-gfx.com/license.html
*
*/
/*
ChibiOS/GFX - Copyright (C) 2012, 2013
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/ginput/lld/mouse.h
* @brief GINPUT LLD header file for mouse/touch drivers.
*
* @defgroup Mouse Mouse
* @ingroup GINPUT
* @{
*/
#ifndef _LLD_GINPUT_MOUSE_H
#define _LLD_GINPUT_MOUSE_H
#if GINPUT_NEED_MOUSE || defined(__DOXYGEN__)
#include "ginput_lld_mouse_config.h"
// GEVENT_MOUSE or GEVENT_TOUCH - What type of device is this.
#ifndef GINPUT_MOUSE_EVENT_TYPE
#define GINPUT_MOUSE_EVENT_TYPE GEVENT_MOUSE
#endif
// TRUE/FALSE - Does the mouse/touch driver require calibration?
#ifndef GINPUT_MOUSE_NEED_CALIBRATION
#define GINPUT_MOUSE_NEED_CALIBRATION FALSE
#endif
// TRUE/FALSE - Can the mouse/touch driver itself save calibration data?
#ifndef GINPUT_MOUSE_LLD_CALIBRATION_LOADSAVE
#define GINPUT_MOUSE_LLD_CALIBRATION_LOADSAVE FALSE
#endif
// n or -1 - n means to test calibration result (+/- pixels), -1 means not to.
#ifndef GINPUT_MOUSE_MAX_CALIBRATION_ERROR
#define GINPUT_MOUSE_MAX_CALIBRATION_ERROR -1
#endif
// n - How many times to read (and average) per poll
#ifndef GINPUT_MOUSE_READ_CYCLES
#define GINPUT_MOUSE_READ_CYCLES 1
#endif
// n - Millisecs between poll's
#ifndef GINPUT_MOUSE_POLL_PERIOD
#define GINPUT_MOUSE_POLL_PERIOD 25
#endif
// n - Movement allowed without discarding the CLICK or CLICKCXT event (+/- pixels)
#ifndef GINPUT_MOUSE_MAX_CLICK_JITTER
#define GINPUT_MOUSE_MAX_CLICK_JITTER 1
#endif
// n - Movement allowed without discarding the MOVE event (+/- pixels)
#ifndef GINPUT_MOUSE_MAX_MOVE_JITTER
#define GINPUT_MOUSE_MAX_MOVE_JITTER 0
#endif
// ms - Millisecs seperating a CLICK from a CXTCLICK
#ifndef GINPUT_MOUSE_CLICK_TIME
#define GINPUT_MOUSE_CLICK_TIME 700
#endif
typedef struct MouseReading_t {
coord_t x, y, z;
uint16_t buttons;
} MouseReading;
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
/**
* @brief Initialise the mouse/touch.
*
* @notapi
*/
void ginput_lld_mouse_init(void);
/**
* @brief Read the mouse/touch position.
*
* @param[in] pt A pointer to the structure to fill
*
* @note For drivers that don't support returning a position
* when the touch is up (most touch devices), it should
* return the previous position with the new Z value.
* The z value is the pressure for those touch devices
* that support it (-100 to 100 where > 0 is touched)
* or, 0 or 100 for those drivers that don't.
*
* @notapi
*/
void ginput_lld_mouse_get_reading(MouseReading *pt);
#if GINPUT_MOUSE_LLD_CALIBRATION_LOADSAVE
/**
* @brief Load calibration data from a storage area on the touch controller.
*
* @param[in] instance The mouse instance number
*
* @note The instance parameter is currently always 0 as we only support
* one mouse/touch device at a time.
* @note This routine should only be provided if the driver has its own
* storage area where calibration data can be stored. The drivers
* option.h file should define GINPUT_MOUSE_LLD_CALIBRATION_LOADSAVE = TRUE
* if it supports this.
*
* @notapi
*/
const char *ginput_lld_mouse_calibration_load(uint16_t instance);
/**
* @brief Save calibration data to a storage area on the touch controller.
*
* @param[in] instance The mouse instance number
* @param[in] calbuf The calibration data to be saved
* @param[in] sz The size of the calibration data
*
* @note The instance parameter is currently always 0 as we only support
* one mouse/touch device at a time.
* @note This routine should only be provided if the driver has its own
* storage area where calibration data can be stored. The drivers
* option.h file should define GINPUT_MOUSE_LLD_CALIBRATION_LOADSAVE = TRUE
* if it supports this.
*
* @notapi
*/
void ginput_lld_mouse_calibration_save(uint16_t instance, const uint8_t *calbuf, size_t sz);
#endif
/**
* @brief Wakeup the high level code so that it attempts another read
*
* @note This routine is provided to low level drivers by the high level code
* @note Particularly useful if GINPUT_MOUSE_POLL_PERIOD = TIME_INFINITE
*
* @notapi
*/
void ginputMouseWakeup(void);
/**
* @brief Wakeup the high level code so that it attempts another read
*
* @note This routine is provided to low level drivers by the high level code
* @note Particularly useful if GINPUT_MOUSE_POLL_PERIOD = TIME_INFINITE
*
* @iclass
* @notapi
*/
void ginputMouseWakeupI(void);
#ifdef __cplusplus
}
#endif
#endif /* GINPUT_NEED_MOUSE || GINPUT_NEED_TOUCH */
#endif /* _LLD_GINPUT_MOUSE_H */
/** @} */
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