69 lines
1.7 KiB
C
69 lines
1.7 KiB
C
/*
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ChibiOS/RT - Copyright (C) 2006-2013 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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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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