1 /*
2  * Copyright (c) 2020 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef KAL_H_
17 #define KAL_H_
18 #include <signal.h>
19 
20 #ifdef __cplusplus
21 extern "C" {
22 #endif
23 
24 typedef void (*KalTimerProc)(union sigval);
25 typedef void *KalTimerId;
26 
27 typedef enum {
28     KAL_TIMER_ONCE = 0,    // /< One-shot timer.
29     KAL_TIMER_PERIODIC = 1 // /< Repeating timer.
30 } KalTimerType;
31 
32 typedef enum {
33     KAL_OK = 0,
34     KAL_ERR_PARA = 1,
35     KAL_ERR_INNER = 2,
36     KAL_ERR_TIMER_STATE = 0x100,
37 } KalErrCode;
38 
39 KalTimerId KalTimerCreate(KalTimerProc func, KalTimerType type, void* arg, unsigned int millisec);
40 KalErrCode KalTimerStart(KalTimerId timerId);
41 KalErrCode KalTimerChange(KalTimerId timerId, unsigned int millisec);
42 KalErrCode KalTimerStop(KalTimerId timerId);
43 KalErrCode KalTimerDelete(KalTimerId timerId);
44 unsigned int KalTimerIsRunning(KalTimerId timerId);
45 
46 #ifdef __cplusplus
47 }
48 #endif
49 
50 #endif // KAL_H_
51