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      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