/*
* Copyright ( C ) 2016 The Android Open Source Project
*
* Licensed under the Apache License , Version 2 . 0 ( the " License " ) ;
* you may not use this file except in compliance with the License .
* You may obtain a copy of the License at
*
* http : //www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing , software
* distributed under the License is distributed on an " AS IS " BASIS ,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND , either express or implied .
* See the License for the specific language governing permissions and
* limitations under the License .
*/
#ifndef _TIMER_H_
#define _TIMER_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stdbool.h>
#include <stdint.h>
#define MAX_TIMERS 16 /* we *REALLY* do not want these proliferating endlessly, hence a small limit */
struct TimerEvent {
uint32_t timerId;
void *data;
};
typedef void (*TimTimerCbkF)(uint32_t timerId, void * data);
uint64_t timGetTime(void ); /* Time since some stable reference point in nanoseconds */
void timDelay(uint32_t length);
uint32_t timTimerSet(uint64_t length, uint32_t jitterPpm, uint32_t driftPpm, TimTimerCbkF cbk, void * data, bool oneShot); /* return timer id or 0 if failed */
uint32_t timTimerSetAsApp(uint64_t length, uint32_t jitterPpm, uint32_t driftPpm, uint32_t tid, void * data, bool oneShot); /* return timer id or 0 if failed */
uint32_t timTimerSetNew(uint64_t length, const void * data, bool oneShot);
bool timTimerCancel(uint32_t timerId);
bool timTimerCancelEx(uint32_t timerId, bool cancelPending);
int timTimerCancelAll(uint32_t tid);
//called by interrupt routine. ->true if any timers were fired
bool timIntHandler(void );
//init subsystem
void timInit(void );
#ifdef __cplusplus
}
#endif
#endif
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