xref: /aosp_15_r20/system/chre/platform/linux/include/chre/platform/linux/pal_ble.h (revision 84e339476a462649f82315436d70fd732297a399)
1 /*
2  * Copyright (C) 2022 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_LINUX_PAL_BLE_H_
18 #define CHRE_PLATFORM_LINUX_PAL_BLE_H_
19 
20 #include <chrono>
21 
22 /**
23  * @return true if the BLE PAL is enabled.
24  */
25 bool chrePalIsBleEnabled();
26 
27 /**
28  * Delay starting a BLE scan. Callers should use this function to delay the BLE
29  * start scan async response until startBleScan is called.
30  *
31  * @param delay true if the scan should be delayed.
32  */
33 void delayBleScanStart(bool delay);
34 
35 /**
36  * Starts a BLE scan. This function is intended to be used after delaying the
37  * PAL's async response via delayBleScanStart and after chrePalBleStartScan is
38  * called.
39  *
40  * @return true if the scan was start successfully.
41  */
42 bool startBleScan();
43 
44 #endif  // CHRE_PLATFORM_LINUX_PAL_BLE_H_