1 // 2 // Copyright 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 #pragma once 18 19 #include <hidl/HidlSupport.h> 20 21 #include "async_fd_watcher.h" 22 #include "bt_vendor_lib.h" 23 #include "hci_protocol.h" 24 25 namespace android { 26 namespace hardware { 27 namespace bluetooth { 28 namespace V1_0 { 29 namespace implementation { 30 31 using ::android::hardware::hidl_vec; 32 using InitializeCompleteCallback = std::function<void(bool success)>; 33 using PacketReadCallback = std::function<void(const hidl_vec<uint8_t>&)>; 34 35 class FirmwareStartupTimer; 36 37 class VendorInterface { 38 public: 39 static bool Initialize(InitializeCompleteCallback initialize_complete_cb, 40 PacketReadCallback event_cb, PacketReadCallback acl_cb, 41 PacketReadCallback sco_cb); 42 static void Shutdown(); 43 static VendorInterface *get(); 44 45 size_t Send(uint8_t type, const uint8_t *data, size_t length); 46 47 void OnFirmwareConfigured(uint8_t result); 48 49 private: 50 virtual ~VendorInterface() = default; 51 52 bool Open(InitializeCompleteCallback initialize_complete_cb, 53 PacketReadCallback event_cb, PacketReadCallback acl_cb, 54 PacketReadCallback sco_cb); 55 void Close(); 56 57 void OnTimeout(); 58 59 void HandleIncomingEvent(const hidl_vec<uint8_t>& hci_packet); 60 61 void *lib_handle_; 62 bt_vendor_interface_t *lib_interface_; 63 async::AsyncFdWatcher fd_watcher_; 64 InitializeCompleteCallback initialize_complete_cb_; 65 hci::HciProtocol* hci_; 66 67 PacketReadCallback event_cb_; 68 69 FirmwareStartupTimer *firmware_startup_timer_; 70 }; 71 72 } // namespace implementation 73 } // namespace V1_0 74 } // namespace bluetooth 75 } // namespace hardware 76 } // namespace android 77