diff options
Diffstat (limited to 'src/ginput/ginput_toggle.h')
-rw-r--r-- | src/ginput/ginput_toggle.h | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/ginput/ginput_toggle.h b/src/ginput/ginput_toggle.h new file mode 100644 index 00000000..7fc075d6 --- /dev/null +++ b/src/ginput/ginput_toggle.h @@ -0,0 +1,100 @@ +/* + * 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 + * @brief GINPUT GFX User Input subsystem header file. + * + * @defgroup Toggle Toggle + * @ingroup GINPUT + * + * @details GINPUT allows it to interface toggle buttons easily to your + * application. + * + * @pre GFX_USE_GINPUT must be set to TRUE in your gfxconf.h + * @pre GINPUT_NEED_TOGGLE must be set to TRUE 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 + 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 + + /** + * @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 TRUE, will be inverted + */ + void ginputInvertToggle(uint16_t instance, bool_t 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 FALSE on an error (eg invalid instance) + */ + bool_t ginputGetToggleStatus(uint16_t instance, GEventToggle *ptoggle); + +#ifdef __cplusplus +} +#endif + +#endif /* GINPUT_NEED_TOGGLE */ + +#endif /* _GINPUT_TOGGLE_H */ +/** @} */ + |