1 /* 2 * Copyright (C) 2008 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 ANDROID_ADXL_SENSOR_H 18 #define ANDROID_ADXL_SENSOR_H 19 20 #include <stdint.h> 21 #include <errno.h> 22 #include <sys/cdefs.h> 23 #include <sys/types.h> 24 25 #include "sensors.h" 26 #include "SensorBase.h" 27 #include "InputEventReader.h" 28 29 /*****************************************************************************/ 30 31 struct input_event; 32 33 class AdxlSensor : public SensorBase { 34 int mEnabled; 35 int64_t mDelay; 36 InputEventCircularReader mInputReader; 37 sensors_event_t mPendingEvent; 38 bool mHasPendingEvent; 39 char input_sysfs_path[PATH_MAX]; 40 int input_sysfs_path_len; 41 42 int setInitialState(); 43 44 public: 45 AdxlSensor(); 46 virtual ~AdxlSensor(); 47 virtual int readEvents(sensors_event_t* data, int count); 48 virtual bool hasPendingEvents() const; 49 virtual int setDelay(int32_t handle, int64_t ns); 50 virtual int setEnable(int32_t handle, int enabled); 51 virtual int64_t getDelay(int32_t handle); 52 virtual int getEnable(int32_t handle); 53 }; 54 55 /*****************************************************************************/ 56 57 #endif // ANDROID_ADXL_SENSOR_H 58