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/*
ChibiOS/GFX - Copyright (C) 2012
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/toggle.h
* @brief GINPUT GFX User Input subsystem header file.
*
* @addtogroup GINPUT
* @{
*/
#ifndef _GINPUT_TOGGLE_H
#define _GINPUT_TOGGLE_H
#if GINPUT_NEED_TOGGLE || defined(__DOXYGEN__)
/*===========================================================================*/
/* Low Level Driver details and error checks. */
/*===========================================================================*/
// Get the hardware definitions - Number of instances etc.
#include "ginput_lld_toggle_config.h"
#ifndef GINPUT_TOGGLE_POLL_PERIOD
#define GINPUT_TOGGLE_POLL_PERIOD 200
#endif
/*===========================================================================*/
/* Type definitions */
/*===========================================================================*/
// Event types for various ginput sources
#define GEVENT_TOGGLE (GEVENT_GINPUT_FIRST+3)
typedef struct GEventToggle_t {
GEventType type; // The type of this event (GEVENT_TOGGLE)
uint16_t instance; // The toggle instance
bool_t on; // True if the toggle/button is on
} GEventToggle;
// Toggle Listen Flags - passed to geventAddSourceToListener()
#define GLISTEN_TOGGLE_ON 0x0001 // Return an event when the toggle turns on
#define GLISTEN_TOGGLE_OFF 0x0002 // Return an event when the toggle turns off
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
/* Hardware Toggle/Switch/Button Functions */
GSourceHandle ginputGetToggle(uint16_t instance); // Instance = 0 to n-1
void ginputInvertToggle(uint16_t instance, bool_t invert); // If invert is true, invert the on/off sense for the toggle
/* Get the current toggle status.
* Returns FALSE on error (eg invalid instance)
*/
bool_t ginputGetToggleStatus(uint16_t instance, GEventToggle *ptoggle);
#ifdef __cplusplus
}
#endif
#endif /* GINPUT_NEED_TOGGLE */
#endif /* _GINPUT_TOGGLE_H */
/** @} */
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