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      1 /*
      2  * Copyright (C) 2012 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 #include <cutils/log.h>
     18 #include <pthread.h>
     19 
     20 #include "PressureSensor.h"
     21 
     22 /*
     23  * The BMP driver gives pascal values.
     24  * It needs to be changed into hectoPascal.
     25  */
     26 #define PRESSURE_HECTO_PA (1.0f/100.0f)
     27 
     28 PressureSensor::PressureSensor()
     29     : IioSensorBase(NULL, "barometer",
     30                         "events/in_pressure0_thresh_either_en",
     31                         "in_pressure0_input", IIO_PRESSURE)
     32 {
     33     mPendingEvent.sensor = ID_PR;
     34     mPendingEvent.type = SENSOR_TYPE_PRESSURE;
     35 }
     36 
     37 void PressureSensor::handleData(int value) {
     38     ALOGV("PressureSensor::handleData value %d", value);
     39     mPendingEvent.pressure = value * PRESSURE_HECTO_PA;
     40 }
     41