73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
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2011,2012 Giovanni Di Sirio.
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This file is part of ChibiOS/RT.
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ChibiOS/RT is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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ChibiOS/RT is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file evtimer.h
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* @brief Events Generator Timer structures and macros.
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*
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* @addtogroup event_timer
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* @{
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*/
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#ifndef _EVTIMER_H_
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#define _EVTIMER_H_
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/*
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* Module dependencies check.
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*/
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#if !CH_USE_EVENTS
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#error "Event Timers require CH_USE_EVENTS"
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#endif
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/**
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* @brief Event timer structure.
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*/
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typedef struct {
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VirtualTimer et_vt;
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EventSource et_es;
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systime_t et_interval;
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} EvTimer;
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#ifdef __cplusplus
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extern "C" {
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#endif
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void evtStart(EvTimer *etp);
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void evtStop(EvTimer *etp);
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#ifdef __cplusplus
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}
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#endif
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/**
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* @brief Initializes an @p EvTimer structure.
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*
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* @param etp the EvTimer structure to be initialized
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* @param time the interval in system ticks
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*/
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#define evtInit(etp, time) { \
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chEvtInit(&(etp)->et_es); \
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(etp)->et_vt.vt_func = NULL; \
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(etp)->et_interval = (time); \
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}
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#endif /* _EVTIMER_H_ */
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/** @} */
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