1 /*
2  * Copyright (C) 2020 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 #ifndef CHPP_COMMON_TIMESYNC_H_
18 #define CHPP_COMMON_TIMESYNC_H_
19 
20 #include "chpp/app.h"
21 #include "chpp/macros.h"
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 /************************************************
28  *  Public Definitions
29  ***********************************************/
30 
31 /**
32  * Data structure used by the Discovery Response.
33  */
34 CHPP_PACKED_START
35 struct ChppTimesyncResponse {
36   struct ChppAppHeader header;
37   uint64_t timeNs;
38 } CHPP_PACKED_ATTR;
39 CHPP_PACKED_END
40 
41 /**
42  * Commands used by the Discovery Service
43  */
44 enum ChppTimesyncCommands {
45   // Get time. This should be the same clock used to timestamp any data /
46   // samples provided to CHPP.
47   CHPP_TIMESYNC_COMMAND_GETTIME = 0x0001,
48 };
49 
50 #ifdef __cplusplus
51 }
52 #endif
53 
54 #endif  // CHPP_COMMON_TIMESYNC_H_
55