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/*
* Copyright (C) 2012 Invensense, Inc.
*
* 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
/*****************************************************************************/
#ifndef ARRAY_SIZE
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
#endif
enum {
ID_GY = 0,
ID_RG,
ID_A,
ID_M,
ID_O,
ID_RV,
ID_LA,
ID_GR,
ID_SO
};
/*****************************************************************************/
/*
* The SENSORS Module
*/
/* ITG3500 */
#define EVENT_TYPE_GYRO_X REL_X
#define EVENT_TYPE_GYRO_Y REL_Y
#define EVENT_TYPE_GYRO_Z REL_Z
/* MPU6050 MPU9150 */
#define EVENT_TYPE_IACCEL_X REL_RX
#define EVENT_TYPE_IACCEL_Y REL_RY
#define EVENT_TYPE_IACCEL_Z REL_RZ
/* MPU6050 MPU9150 */
#define EVENT_TYPE_ICOMPASS_X REL_X
#define EVENT_TYPE_ICOMPASS_Y REL_Y
#define EVENT_TYPE_ICOMPASS_Z REL_Z
/* MPUxxxx */
#define EVENT_TYPE_TIMESTAMP_HI REL_MISC
#define EVENT_TYPE_TIMESTAMP_LO REL_WHEEL
/* Accel BMA250 */
#define EVENT_TYPE_ACCEL_X ABS_X
#define EVENT_TYPE_ACCEL_Y ABS_Y
#define EVENT_TYPE_ACCEL_Z ABS_Z
#define LSG (1000.0f)
// conversion of acceleration data to SI units (m/s^2)
#define RANGE_A (4*GRAVITY_EARTH)
#define RESOLUTION_A (GRAVITY_EARTH / LSG)
#define CONVERT_A (GRAVITY_EARTH / LSG)
#define CONVERT_A_X (CONVERT_A)
#define CONVERT_A_Y (CONVERT_A)
#define CONVERT_A_Z (CONVERT_A)
/* Compass AKM8975 */
#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
// conversion of magnetic data to uT units
#define CONVERT_M (0.06f)
__END_DECLS
#endif // ANDROID_SENSORS_H
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