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_AKM_SENSOR_H 18 #define ANDROID_AKM_SENSOR_H 19 20 #include <stdint.h> 21 #include <errno.h> 22 #include <sys/cdefs.h> 23 #include <sys/types.h> 24 25 26 #include "sensors.h" 27 #include "SensorBase.h" 28 #include "InputEventReader.h" 29 30 /*****************************************************************************/ 31 32 struct input_event; 33 34 class AkmSensor : public SensorBase { 35 public: 36 AkmSensor(); 37 virtual ~AkmSensor(); 38 39 enum { 40 Accelerometer = 0, 41 MagneticField, 42 Orientation, 43 numSensors 44 }; 45 46 virtual int readEvents(sensors_event_t* data, int count); 47 virtual int setDelay(int32_t handle, int64_t ns); 48 virtual int setEnable(int32_t handle, int enabled); 49 virtual int64_t getDelay(int32_t handle); 50 virtual int getEnable(int32_t handle); 51 int setAccel(sensors_event_t* data); 52 53 private: 54 int mEnabled[numSensors]; 55 int64_t mDelay[numSensors]; 56 uint32_t mPendingMask; 57 InputEventCircularReader mInputReader; 58 sensors_event_t mPendingEvents[numSensors]; 59 char input_sysfs_path[PATH_MAX]; 60 int input_sysfs_path_len; 61 62 int handle2id(int32_t handle); 63 void processEvent(int code, int value); 64 }; 65 66 /*****************************************************************************/ 67 68 #endif // ANDROID_AKM_SENSOR_H 69
