1 /*
2  * Copyright (C) 2011 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 
18 #ifndef __LOCAL_CLOCK_H__
19 #define __LOCAL_CLOCK_H__
20 
21 #include <stdint.h>
22 
23 #include <hardware/local_time_hal.h>
24 #include <utils/Errors.h>
25 #include <utils/threads.h>
26 
27 namespace android {
28 
29 class LocalClock {
30   public:
31     LocalClock();
32 
33     bool initCheck();
34 
35     int64_t  getLocalTime();
36     uint64_t getLocalFreq();
37     status_t setLocalSlew(int16_t rate);
38     int32_t  getDebugLog(struct local_time_debug_event* records,
39                          int max_records);
40 
41   private:
42     static Mutex dev_lock_;
43     static local_time_hw_device_t* dev_;
44 };
45 
46 }  // namespace android
47 #endif  // __LOCAL_CLOCK_H__
48