1 /* 2 * Copyright (c) 2021 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 REPORT_DATA_CALLBACK_H 17 #define REPORT_DATA_CALLBACK_H 18 19 #include "refbase.h" 20 #include "sensor_data_event.h" 21 22 namespace OHOS { 23 namespace Sensors { 24 constexpr int32_t CIRCULAR_BUF_LEN = 1024; 25 constexpr int32_t SENSOR_DATA_LENGTH = 64; 26 27 struct CircularEventBuf { 28 struct SensorData *circularBuf; 29 int32_t readPos; 30 int32_t writePosition; 31 int32_t eventNum; 32 }; 33 34 class ReportDataCallback : public RefBase { 35 public: 36 ReportDataCallback(); 37 ~ReportDataCallback(); 38 int32_t ReportEventCallback(SensorData *sensorData, sptr<ReportDataCallback> cb); 39 CircularEventBuf &GetEventData(); 40 CircularEventBuf eventsBuf_; 41 }; 42 43 using ReportDataCb = int32_t (ReportDataCallback::*)(SensorData *sensorData, sptr<ReportDataCallback> cb); 44 } // namespace Sensors 45 } // namespace OHOS 46 #endif // REPORT_DATA_CALLBACK_H 47