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/*
* This file is subject to the terms of the GFX License. If a copy of
* the license was not distributed with this file, you can obtain one at:
*
* http://ugfx.org/license.html
*/
/**
* @file src/ginput/ginput_toggle.h
*
* @defgroup Toggle Toggle
* @ingroup GINPUT
*
* @brief Sub-Module to handle physical controls that provide provide a digital value (on/off, pressed/released, 1/0, ...).
*
* @details GINPUT allows it to interface toggle buttons easily to your
* application.
*
* @pre GFX_USE_GINPUT must be set to GFXON in your gfxconf.h
* @pre GINPUT_NEED_TOGGLE must be set to GFXON in your gfxconf.h
*
* @{
*/
#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
gBool 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. */
/*===========================================================================*/
/**
* @brief Create a toggle input instance
*
* @param[in] instance The ID of the toggle input instance (from 0 to 9999)
*
* @return The source handle of the created instance
*/
GSourceHandle ginputGetToggle(uint16_t instance);
/**
* @brief Can be used to invert the sense of a toggle
*
* @param[in] instance The ID of the toggle input instance
* @param[in] invert If gTrue, will be inverted
*/
void ginputInvertToggle(uint16_t instance, gBool invert);
/**
* @brief Get the current toggle status
*
* @param[in] instance The ID of the toggle input instance
* @param[in] ptoggle The toggle event struct
*
* @return Returns gFalse on an error (eg invalid instance)
*/
gBool ginputGetToggleStatus(uint16_t instance, GEventToggle *ptoggle);
#endif /* GINPUT_NEED_TOGGLE */
#endif /* _GINPUT_TOGGLE_H */
/** @} */
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