1 /*
2  * Copyright (C) 2017 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 CHRE_PLATFORM_SHARED_PLATFORM_PAL_H_
18 #define CHRE_PLATFORM_SHARED_PLATFORM_PAL_H_
19 
20 #include <cinttypes>
21 
22 namespace chre {
23 
24 /**
25  * Represents the various types of PALs that can use the PlatformPal class
26  */
27 enum class PalType : uint8_t {
28   AUDIO = 1,
29   BLE = 2,
30   GNSS = 3,
31   WIFI = 4,
32   WWAN = 5,
33 };
34 
35 /**
36  * Provides an instance of the PlatformPal class that uses the CHRE PAL.
37  */
38 class PlatformPal {
39  protected:
40   /**
41    * Routine to be performed before any call to a platform PAL API.
42    *
43    * @param palType Indicates the type of PAL about to be accessed.
44    */
45   void prePalApiCall(PalType palType) const;
46 };
47 
48 }  // namespace chre
49 
50 #endif  // CHRE_PLATFORM_SHARED_PLATFORM_PAL_H_
51