1 /****************************************************************************** 2 * 3 * Copyright 2016 The Android Open Source Project 4 * 5 * Licensed under the Apache License, Version 2.0 (the "License"); 6 * you may not use this file except in compliance with the License. 7 * You may obtain a copy of the License at: 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 * 17 ******************************************************************************/ 18 19 #ifndef BLE_ADVERTISER_HCI_INTERFACE_H 20 #define BLE_ADVERTISER_HCI_INTERFACE_H 21 22 #include <base/bind.h> 23 #include <vector> 24 #include "stack/include/bt_types.h" 25 26 /* This class is an abstraction of HCI commands used for managing 27 * advertisements. Please see VSC HCI SPEC at 28 * https://static.googleusercontent.com/media/source.android.com/en//devices/Android-6.0-Bluetooth-HCI-Reqs.pdf 29 * and Bluetooth 5.0 "Advertising Extension" feature for more details */ 30 class BleAdvertiserHciInterface { 31 public: 32 using status_cb = base::Callback<void(uint8_t /* status */)>; 33 using parameters_cb = 34 base::Callback<void(uint8_t /* status */, int8_t /* tx_power */)>; 35 36 static void Initialize(); 37 static BleAdvertiserHciInterface* Get(); 38 static void CleanUp(); 39 40 virtual ~BleAdvertiserHciInterface() = default; 41 42 class AdvertisingEventObserver { 43 public: 44 virtual ~AdvertisingEventObserver() = default; 45 virtual void OnAdvertisingSetTerminated( 46 uint8_t status, uint8_t advertising_handle, uint16_t connection_handle, 47 uint8_t num_completed_extended_adv_events) = 0; 48 }; 49 50 virtual void SetAdvertisingEventObserver( 51 AdvertisingEventObserver* observer) = 0; 52 virtual void ReadInstanceCount( 53 base::Callback<void(uint8_t /* inst_cnt*/)> cb) = 0; 54 virtual void SetParameters( 55 uint8_t handle, uint16_t properties, uint32_t adv_int_min, 56 uint32_t adv_int_max, uint8_t channel_map, uint8_t own_address_type, 57 const RawAddress& own_address, uint8_t peer_address_type, 58 const RawAddress& peer_address, uint8_t filter_policy, int8_t tx_power, 59 uint8_t primary_phy, uint8_t secondary_max_skip, uint8_t secondary_phy, 60 uint8_t advertising_sid, uint8_t scan_request_notify_enable, 61 parameters_cb command_complete) = 0; 62 virtual void SetAdvertisingData(uint8_t handle, uint8_t operation, 63 uint8_t fragment_preference, 64 uint8_t data_length, uint8_t* data, 65 status_cb command_complete) = 0; 66 virtual void SetScanResponseData(uint8_t handle, uint8_t operation, 67 uint8_t fragment_preference, 68 uint8_t scan_response_data_length, 69 uint8_t* scan_response_data, 70 status_cb command_complete) = 0; 71 virtual void SetRandomAddress(uint8_t handle, 72 const RawAddress& random_address, 73 status_cb command_complete) = 0; 74 75 struct SetEnableData { 76 uint8_t handle; 77 uint16_t duration; 78 uint8_t max_extended_advertising_events; 79 }; 80 virtual void Enable(uint8_t enable, std::vector<SetEnableData> sets, 81 status_cb command_complete) = 0; 82 83 void Enable(uint8_t enable, uint8_t handle, uint16_t duration, 84 uint8_t max_extended_advertising_events, 85 status_cb command_complete) { 86 std::vector<SetEnableData> enableData; 87 enableData.emplace_back(SetEnableData{ 88 .handle = handle, 89 .duration = duration, 90 .max_extended_advertising_events = max_extended_advertising_events}); 91 Enable(enable, enableData, command_complete); 92 }; 93 virtual void SetPeriodicAdvertisingParameters(uint8_t handle, 94 uint16_t periodic_adv_int_min, 95 uint16_t periodic_adv_int_max, 96 uint16_t periodic_properties, 97 status_cb command_complete) = 0; 98 virtual void SetPeriodicAdvertisingData(uint8_t handle, uint8_t operation, 99 uint8_t adv_data_length, 100 uint8_t* adv_data, 101 status_cb command_complete) = 0; 102 virtual void SetPeriodicAdvertisingEnable(uint8_t enable, uint8_t handle, 103 status_cb command_complete) = 0; 104 virtual void RemoveAdvertisingSet(uint8_t handle, 105 status_cb command_complete) = 0; 106 107 // Some implementation don't behave well when handle value 0 is used. 108 virtual bool QuirkAdvertiserZeroHandle() { return 0; } 109 }; 110 111 #endif // BLE_ADVERTISER_HCI_INTERFACE_H 112