1 /*
2  * Copyright (c) 2022 Chipsea Technologies (Shenzhen) Corp., 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 SENSOR_DATA_CHANNEL_H
17 #define SENSOR_DATA_CHANNEL_H
18 
19 #include <memory>
20 #include <thread>
21 #include "medical_sensor_basic_data_channel.h"
22 #include "medical_native_type.h"
23 #include "my_event_handler.h"
24 
25 namespace OHOS {
26 namespace Sensors {
27 typedef void (*DataChannelCB)(struct SensorEvent *events, int32_t num, void *data);
28 class MedicalSensorDataChannel : public MedicalSensorBasicDataChannel {
29 public:
30     MedicalSensorDataChannel();
31     ~MedicalSensorDataChannel();
32     static int32_t HandleEvent(int32_t fd, int32_t events, void *data);
33     int32_t CreateSensorDataChannel(DataChannelCB callBack, void *data);
34     int32_t DestroySensorDataChannel();
35     bool IsThreadExit();
36     bool IsThreadStart();
37     int32_t RestoreSensorDataChannel();
38     int32_t test = 10;
39     DataChannelCB dataCB_;
40     void *privateData_ = nullptr;
41 
42 private:
43     static void threadProcessTask(MedicalSensorDataChannel *afeChannel);
44     int32_t InnerSensorDataChannel();
45     std::mutex eventRunnerMutex_;
46     static std::shared_ptr<MyEventHandler> eventHandler_;
47     static std::shared_ptr<AppExecFwk::EventRunner> eventRunner_;
48     static int32_t receiveFd_;
49 };
50 }  // namespace Sensors
51 }  // namespace OHOS
52 #endif  // SENSOR_DATA_CHANNEL_H
53