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 
31     ssize_t SendPacket(HciPacketType packetType, const std::vector<uint8_t> &packetData) override;
32     void ReadData(int fd);
33     ~H4Protocol() override;
34 
35 private:
36     void PacketCallback();
37     void SetRTSchedule();
38 
39 private:
40     int hciFd_ = 0;
41     HciDataCallback onAclReceive_;
42     HciDataCallback onScoReceive_;
43     HciDataCallback onEventReceive_;
44     std::mutex tidMutex_;
45     std::map<pid_t, bool> tidMap_;
46 
47     uint8_t packetType_ = 0;
48     std::vector<uint8_t> hciPacket_;
49     uint32_t readLength_ = 0;
50 };
51 }  // namespace Hci
52 }  // namespace Bluetooth
53 }  // namespace HDI
54 }  // namespace OHOS
55 
56 #endif /* OHOS_HDI_BLUETOOTH_HCI_H4_PROTOCOL_H */