1 /* 2 * Copyright (C) 2011 Samsung 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_PROXIMITY_SENSOR_H 18 #define ANDROID_PROXIMITY_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 "SamsungSensorBase.h" 27 #include "InputEventReader.h" 28 29 /* the GP2A is a binary proximity sensor that triggers around 5 cm on 30 * this hardware */ 31 #define PROXIMITY_THRESHOLD_GP2A 5.0f 32 33 /*****************************************************************************/ 34 35 struct input_event; 36 37 class ProximitySensor:public SamsungSensorBase { 38 39 virtual int handleEnable(int en); 40 virtual bool handleEvent(input_event const * event); 41 42 float indexToValue(size_t index) const; 43 public: 44 ProximitySensor(); 45 virtual int setDelay(int32_t handle, int64_t ns); 46 virtual bool hasPendingEvents() const; 47 }; 48 49 /*****************************************************************************/ 50 51 #endif /* ANDROID_PROXIMITY_SENSOR_H */ 52
