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/*
* Copyright (C) 2008 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_SENSORS_H
#define ANDROID_SENSORS_H
#include <stdint.h>
#include <errno.h>
#include <sys/cdefs.h>
#include <sys/types.h>
#include <cstring>
#include <linux/input.h>
#include <hardware/hardware.h>
#include <hardware/sensors.h>
__BEGIN_DECLS
/*****************************************************************************/
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
#define SENSORS_ACCELERATION_HANDLE 0
#define SENSORS_MAGNETIC_FIELD_HANDLE 1
#define SENSORS_ORIENTATION_HANDLE 2
#define SENSORS_LIGHT_HANDLE 3
#define SENSORS_PROXIMITY_HANDLE 4
#define SENSORS_GYROSCOPE_HANDLE 5
#define SENSORS_PRESSURE_HANDLE 6
#define MAX_SENSORS (20)
#define SYSFS_MAXLEN (20)
#define SYSFS_CLASS "/sys/class/sensors/"
#define SYSFS_NAME "name"
#define SYSFS_VENDOR "vendor"
#define SYSFS_VERSION "version"
#define SYSFS_HANDLE "handle"
#define SYSFS_TYPE "type"
#define SYSFS_MAXRANGE "max_range"
#define SYSFS_RESOLUTION "resolution"
#define SYSFS_POWER "sensor_power"
#define SYSFS_MINDELAY "min_delay"
#define SYSFS_ENABLE "enable"
#define SYSFS_POLL_DELAY "poll_delay"
#define SYSFS_CALIBRATE "calibrate"
#define SYSFS_CAL_PARAMS "cal_params"
#define COMPASS_VENDOR_AKM "AKM"
#define COMPASS_VENDOR_ALPS "Alps"
#define COMPASS_VENDOR_YAMAHA "Yamaha"
#define COMPASS_VENDOR_MEMSIC "Memsic"
#define COMPASS_VENDOR_ST "STMicro"
#define COMPASS_VENDOR_BOSCH "Bosch"
#define COMPASS_VENDOR_KIONIX "Kionix"
#define COMPASS_VENDOR_INVENSENSE "Invensense"
#define ACCELEROMETER_NAME "accelerometer"
#define COMPASS_NAME "compass"
#define ORIENTATION_NAME "orientation"
#define GYROSCOPE_NAME "gyroscope"
#define LIGHT_NAME "light"
#define PRESSURE_NAME "pressure"
#define TEMPERATURE_NAME "temperature"
#define PROXIMITY_NAME "proximity"
#define GRAVITY_NAME "gravity"
#define LINEAR_ACCELERATION_NAME "liner_acceleration"
#define ROTATION_VECTOR_NAME "rotation_vector"
#define RELATIVE_HUMIDITY_NAME "relative_humidity"
#define AMBIENT_TEMPERATURE_NAME "ambient_temperature"
#define MAGNETIC_FIELD_UNCALIBRATED_NAME "magnetic_field_uncalibrated"
#define GAME_ROTATION_VECTOR_NAME "game_rotation_vector"
#define GYROSCOPE_UNCALIBRATED_NAME "gyroscope_uncalibrated"
#define SIGNIFICANT_MOTION_NAME "significant_motion"
#define STEP_COUNTER_NAME "step_counter"
#define STEP_DETECTOR_NAME "step_detector"
#define GEOMAGNETIC_ROTATION_VECTOR_NAME "geomagnetic_field"
/* The hardware sensor type supported by HAL */
#define SUPPORTED_SENSORS_TYPE ( \
(1ULL << SENSOR_TYPE_ACCELEROMETER) | \
(1ULL << SENSOR_TYPE_MAGNETIC_FIELD) | \
(1ULL << SENSOR_TYPE_PROXIMITY) | \
(1ULL << SENSOR_TYPE_LIGHT) | \
(1ULL << SENSOR_TYPE_GYROSCOPE ) | \
(1ULL << SENSOR_TYPE_PRESSURE))
/*****************************************************************************/
/* Helper function to convert sensor type to common sensor name */
static inline const char* type_to_name(int type)
{
switch (type) {
case SENSOR_TYPE_ACCELEROMETER:
return ACCELEROMETER_NAME;
case SENSOR_TYPE_GEOMAGNETIC_FIELD:
return COMPASS_NAME;
case SENSOR_TYPE_ORIENTATION:
return ORIENTATION_NAME;
case SENSOR_TYPE_GYROSCOPE:
return GYROSCOPE_NAME;
case SENSOR_TYPE_LIGHT:
return LIGHT_NAME;
case SENSOR_TYPE_PRESSURE:
return PRESSURE_NAME;
case SENSOR_TYPE_TEMPERATURE:
return TEMPERATURE_NAME;
case SENSOR_TYPE_PROXIMITY:
return PROXIMITY_NAME;
case SENSOR_TYPE_GRAVITY:
return GRAVITY_NAME;
case SENSOR_TYPE_LINEAR_ACCELERATION:
return LINEAR_ACCELERATION_NAME;
case SENSOR_TYPE_ROTATION_VECTOR:
return ROTATION_VECTOR_NAME;
case SENSOR_TYPE_RELATIVE_HUMIDITY:
return RELATIVE_HUMIDITY_NAME;
case SENSOR_TYPE_AMBIENT_TEMPERATURE:
return AMBIENT_TEMPERATURE_NAME;
case SENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED:
return MAGNETIC_FIELD_UNCALIBRATED_NAME;
case SENSOR_TYPE_GAME_ROTATION_VECTOR:
return GAME_ROTATION_VECTOR_NAME;
case SENSOR_TYPE_GYROSCOPE_UNCALIBRATED:
return GYROSCOPE_UNCALIBRATED_NAME;
case SENSOR_TYPE_SIGNIFICANT_MOTION:
return SIGNIFICANT_MOTION_NAME;
case SENSOR_TYPE_STEP_DETECTOR:
return STEP_DETECTOR_NAME;
case SENSOR_TYPE_STEP_COUNTER:
return STEP_COUNTER_NAME;
case SENSOR_TYPE_GEOMAGNETIC_ROTATION_VECTOR:
return GEOMAGNETIC_ROTATION_VECTOR_NAME;
default:
return "";
}
}
__END_DECLS
#endif // ANDROID_SENSORS_H
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