xref: /aosp_15_r20/external/perfetto/src/android_internal/health_hal.h (revision 6dbdd20afdafa5e3ca9b8809fa73465d530080dc)
1 /*
2  * Copyright (C) 2018 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 SRC_ANDROID_INTERNAL_HEALTH_HAL_H_
18 #define SRC_ANDROID_INTERNAL_HEALTH_HAL_H_
19 
20 #include <stddef.h>
21 #include <stdint.h>
22 
23 // This header declares proxy functions defined in
24 // libperfetto_android_internal.so that access internal android functions (e.g.
25 // hwbinder).
26 // Do not add any include to either perfetto headers or android headers. See
27 // README.md for more.
28 
29 namespace perfetto {
30 namespace android_internal {
31 
32 enum class BatteryCounter {
33   kUnspecified = 0,
34   kCharge,
35   kCapacityPercent,
36   kCurrent,
37   kCurrentAvg,
38   kVoltage,
39 };
40 
41 extern "C" {
42 
43 // These functions are not thread safe unless specified otherwise.
44 
45 bool __attribute__((visibility("default")))
46 GetBatteryCounter(BatteryCounter, int64_t*);
47 
48 }  // extern "C"
49 
50 }  // namespace android_internal
51 }  // namespace perfetto
52 
53 #endif  // SRC_ANDROID_INTERNAL_HEALTH_HAL_H_
54