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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 <linux/input.h>
#include <hardware/hardware.h>
#include <hardware/sensors.h>
__BEGIN_DECLS
/*****************************************************************************/
#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
#define ID_A (0)
#define ID_M (1)
#define ID_O (2)
/*****************************************************************************/
/*
* The SENSORS Module
*/
/*****************************************************************************/
/* For ADXL346 */
#define EVENT_TYPE_ACCEL_X ABS_X
#define EVENT_TYPE_ACCEL_Y ABS_Y
#define EVENT_TYPE_ACCEL_Z ABS_Z
#define EVENT_TYPE_ACCEL_STATUS ABS_THROTTLE
/* For AK8975 */
#define EVENT_TYPE_MAGV_X ABS_RX
#define EVENT_TYPE_MAGV_Y ABS_RY
#define EVENT_TYPE_MAGV_Z ABS_RZ
#define EVENT_TYPE_MAGV_STATUS ABS_RUDDER
/* Fro AKM Algorithm */
#define EVENT_TYPE_YAW ABS_HAT0X
#define EVENT_TYPE_PITCH ABS_HAT0Y
#define EVENT_TYPE_ROLL ABS_HAT1X
#define EVENT_TYPE_ORIENT_STATUS ABS_HAT1Y
/* conversion of acceleration data to SI units (m/s^2) */
/* 720 LSB = 1G */
#define LSG (256.0f)
#define AKSC_LSG (720.0f)
#define CONVERT_A (GRAVITY_EARTH / LSG)
/* conversion of magnetic data to uT units */
#define CONVERT_M (0.06f)
/* conversion of orientation data to degree units */
#define CONVERT_O (0.015625f)
#define SENSOR_STATE_MASK (0x7FFF)
/*****************************************************************************/
__END_DECLS
#endif // ANDROID_SENSORS_H
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