1 /* 2 * Copyright (C) 2015 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 #ifndef SENSORS_H_ 18 19 #define SENSORS_H_ 20 21 #include <hardware/hardware.h> 22 #include <hardware/sensors.h> 23 #include <media/stagefright/foundation/ABase.h> 24 25 #include "hubconnection.h" 26 27 struct SensorContext { 28 struct sensors_poll_device_1 device; 29 30 explicit SensorContext(const struct hw_module_t *module); 31 32 bool getHubAlive(); 33 34 private: 35 android::sp<android::HubConnection> mHubConnection; 36 bool mHubAlive; 37 38 int close(); 39 int activate(int handle, int enabled); 40 int setDelay(int handle, int64_t delayNs); 41 int poll(sensors_event_t *data, int count); 42 43 int batch(int handle, int64_t sampling_period_ns, 44 int64_t max_report_latency_ns); 45 46 int flush(int handle); 47 48 static int CloseWrapper(struct hw_device_t *dev); 49 50 static int ActivateWrapper( 51 struct sensors_poll_device_t *dev, int handle, int enabled); 52 53 static int SetDelayWrapper( 54 struct sensors_poll_device_t *dev, int handle, int64_t delayNs); 55 56 static int PollWrapper( 57 struct sensors_poll_device_t *dev, sensors_event_t *data, int count); 58 59 static int BatchWrapper( 60 struct sensors_poll_device_1 *dev, 61 int handle, 62 int flags, 63 int64_t sampling_period_ns, 64 int64_t max_report_latency_ns); 65 66 static int FlushWrapper(struct sensors_poll_device_1 *dev, int handle); 67 68 DISALLOW_EVIL_CONSTRUCTORS(SensorContext); 69 }; 70 71 #endif // SENSORS_H_ 72