ugfx/include/ginput/lld/toggle.h
2013-06-15 21:09:02 +10:00

62 lines
1.6 KiB
C

/*
* 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://chibios-gfx.com/license.html
*/
/**
* @file include/ginput/lld/toggle.h
* @brief GINPUT header file for toggle drivers.
*
* @defgroup Toggle Toggle
* @ingroup GINPUT
* @{
*/
#ifndef _LLD_GINPUT_TOGGLE_H
#define _LLD_GINPUT_TOGGLE_H
#if GINPUT_NEED_TOGGLE || defined(__DOXYGEN__)
// Describes how the toggle bits are obtained
typedef struct GToggleConfig_t {
void *id;
unsigned mask;
unsigned invert;
unsigned mode;
} GToggleConfig;
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
extern const GToggleConfig GInputToggleConfigTable[GINPUT_TOGGLE_CONFIG_ENTRIES];
void ginput_lld_toggle_init(const GToggleConfig *ptc);
unsigned ginput_lld_toggle_getbits(const GToggleConfig *ptc);
/* This routine is provided to low level drivers to wakeup a value read from a thread context.
* Particularly useful if GINPUT_TOGGLE_POLL_PERIOD = TIME_INFINITE
*/
void ginputToggleWakeup(void);
/* This routine is provided to low level drivers to wakeup a value read from an ISR
* Particularly useful if GINPUT_TOGGLE_POLL_PERIOD = TIME_INFINITE
*/
void ginputToggleWakeupI(void);
#ifdef __cplusplus
}
#endif
#endif /* GFX_USE_GINPUT && GINPUT_NEED_TOGGLE */
#endif /* _LLD_GINPUT_TOGGLE_H */
/** @} */