101 lines
3.0 KiB
C
101 lines
3.0 KiB
C
/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.org/license.html
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*/
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/**
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* @file src/ginput/ginput_toggle.h
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* @brief GINPUT GFX User Input subsystem header file.
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*
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* @defgroup Toggle Toggle
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* @ingroup GINPUT
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*
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* @details GINPUT allows it to interface toggle buttons easily to your
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* application.
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*
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* @pre GFX_USE_GINPUT must be set to TRUE in your gfxconf.h
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* @pre GINPUT_NEED_TOGGLE must be set to TRUE in your gfxconf.h
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*
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* @{
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*/
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#ifndef _GINPUT_TOGGLE_H
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#define _GINPUT_TOGGLE_H
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#if GINPUT_NEED_TOGGLE || defined(__DOXYGEN__)
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/*===========================================================================*/
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/* Low Level Driver details and error checks. */
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/*===========================================================================*/
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// Get the hardware definitions - Number of instances etc.
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#include "ginput_lld_toggle_config.h"
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#ifndef GINPUT_TOGGLE_POLL_PERIOD
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#define GINPUT_TOGGLE_POLL_PERIOD 200
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#endif
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/*===========================================================================*/
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/* Type definitions */
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/*===========================================================================*/
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// Event types for various ginput sources
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#define GEVENT_TOGGLE (GEVENT_GINPUT_FIRST+3)
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typedef struct GEventToggle_t {
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GEventType type; // The type of this event (GEVENT_TOGGLE)
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uint16_t instance; // The toggle instance
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bool_t on; // True if the toggle/button is on
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} GEventToggle;
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// Toggle Listen Flags - passed to geventAddSourceToListener()
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#define GLISTEN_TOGGLE_ON 0x0001 // Return an event when the toggle turns on
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#define GLISTEN_TOGGLE_OFF 0x0002 // Return an event when the toggle turns off
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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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/**
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* @brief Create a toggle input instance
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*
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* @param[in] instance The ID of the toggle input instance (from 0 to 9999)
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*
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* @return The source handle of the created instance
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*/
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GSourceHandle ginputGetToggle(uint16_t instance);
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/**
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* @brief Can be used to invert the sense of a toggle
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*
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* @param[in] instance The ID of the toggle input instance
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* @param[in] invert If TRUE, will be inverted
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*/
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void ginputInvertToggle(uint16_t instance, bool_t invert);
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/**
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* @brief Get the current toggle status
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*
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* @param[in] instance The ID of the toggle input instance
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* @param[in] ptoggle The toggle event struct
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*
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* @return Returns FALSE on an error (eg invalid instance)
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*/
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bool_t ginputGetToggleStatus(uint16_t instance, GEventToggle *ptoggle);
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#ifdef __cplusplus
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}
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#endif
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#endif /* GINPUT_NEED_TOGGLE */
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#endif /* _GINPUT_TOGGLE_H */
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/** @} */
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