1 /*
2  * Copyright (C) 2016 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 RESET_REASON_EVENT_H_
18 #define RESET_REASON_EVENT_H_
19 
20 #include "nanomessage.h"
21 
22 namespace android {
23 
24 /*
25  * These classes represent events sent with event type EVT_RESET_REASON. The
26  * platform-specific reset reason is sent at each boot of the sensor hub.
27  */
28 
29 class ResetReasonEvent : public ReadEventResponse {
30   public:
31     /*
32      * Constructs and populates a ResetReasonEvent instance. Returns nullptr if
33      * the packet is malformed. The rest of the methods in this class are not
34      * guaranteed to be safe unless the object is constructed from this
35      * function.
36      */
37     static std::unique_ptr<ResetReasonEvent> FromBytes(
38         const std::vector<uint8_t>& buffer);
39 
40     // Returns the 32-bit field that contains the platform-specific reset reason
41     uint32_t GetReason() const;
42 };
43 
44 }  // namespace android
45 
46 #endif // RESET_REASON_EVENT_H_
47