1 /* 2 * Copyright (C) 2021-2022 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef OHOS_HDI_BLUETOOTH_HCI_H4_PROTOCOL_H 17 #define OHOS_HDI_BLUETOOTH_HCI_H4_PROTOCOL_H 18 19 #include "hci_protocol.h" 20 #include <map> 21 #include <mutex> 22 23 namespace OHOS { 24 namespace HDI { 25 namespace Bluetooth { 26 namespace Hci { 27 class H4Protocol : public HciProtocol { 28 public: 29 H4Protocol(int fd, HciDataCallback onAclReceive, HciDataCallback onScoReceive, HciDataCallback onEventReceive, 30 HciDataCallback onIsoReceive); 31 32 ssize_t SendPacket(HciPacketType packetType, const std::vector<uint8_t> &packetData) override; 33 void ReadData(int fd); 34 ~H4Protocol() override; 35 36 private: 37 void PacketCallback(); 38 void SetRTSchedule(); 39 40 private: 41 int hciFd_ = 0; 42 HciDataCallback onAclReceive_; 43 HciDataCallback onScoReceive_; 44 HciDataCallback onEventReceive_; 45 HciDataCallback onIsoReceive_; 46 std::mutex tidMutex_; 47 std::map<pid_t, bool> tidMap_; 48 49 uint8_t packetType_ = 0; 50 std::vector<uint8_t> hciPacket_; 51 uint32_t readLength_ = 0; 52 }; 53 } // namespace Hci 54 } // namespace Bluetooth 55 } // namespace HDI 56 } // namespace OHOS 57 58 #endif /* OHOS_HDI_BLUETOOTH_HCI_H4_PROTOCOL_H */