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106 lines
2.7 KiB
106 lines
2.7 KiB
7 months ago
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/*
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* Copyright (C) 2012 Invensense, Inc.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_SENSORS_H
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#define ANDROID_SENSORS_H
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#include <stdint.h>
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#include <errno.h>
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#include <sys/cdefs.h>
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#include <sys/types.h>
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#include <linux/input.h>
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#include <hardware/hardware.h>
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#include <hardware/sensors.h>
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__BEGIN_DECLS
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/*****************************************************************************/
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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#endif
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enum {
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ID_GY = 0,
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ID_RG,
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ID_A,
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ID_M,
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ID_RM,
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ID_PS,
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ID_O,
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ID_RV,
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ID_GRV,
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ID_LA,
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ID_GR,
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ID_SM,
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ID_P,
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ID_SC,
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ID_GMRV,
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ID_FC,
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ID_SO
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};
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/*****************************************************************************/
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/*
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* The SENSORS Module
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*/
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/* ITG3500 */
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#define EVENT_TYPE_GYRO_X REL_X
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#define EVENT_TYPE_GYRO_Y REL_Y
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#define EVENT_TYPE_GYRO_Z REL_Z
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/* MPU6050 MPU9150 */
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#define EVENT_TYPE_IACCEL_X REL_RX
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#define EVENT_TYPE_IACCEL_Y REL_RY
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#define EVENT_TYPE_IACCEL_Z REL_RZ
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/* MPU6050 MPU9150 */
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#define EVENT_TYPE_ICOMPASS_X REL_X
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#define EVENT_TYPE_ICOMPASS_Y REL_Y
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#define EVENT_TYPE_ICOMPASS_Z REL_Z
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/* MPUxxxx */
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#define EVENT_TYPE_TIMESTAMP_HI REL_MISC
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#define EVENT_TYPE_TIMESTAMP_LO REL_WHEEL
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/* Accel BMA250 */
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#define EVENT_TYPE_ACCEL_X ABS_X
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#define EVENT_TYPE_ACCEL_Y ABS_Y
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#define EVENT_TYPE_ACCEL_Z ABS_Z
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#define LSG (1000.0f)
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// conversion of acceleration data to SI units (m/s^2)
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#define RANGE_A (4*GRAVITY_EARTH)
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#define RESOLUTION_A (GRAVITY_EARTH / LSG)
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#define CONVERT_A (GRAVITY_EARTH / LSG)
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#define CONVERT_A_X (CONVERT_A)
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#define CONVERT_A_Y (CONVERT_A)
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#define CONVERT_A_Z (CONVERT_A)
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/* AKM compasses */
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#define EVENT_TYPE_MAGV_X ABS_RX
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#define EVENT_TYPE_MAGV_Y ABS_RY
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#define EVENT_TYPE_MAGV_Z ABS_RZ
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#define EVENT_TYPE_MAGV_STATUS ABS_RUDDER
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// conversion of magnetic data to uT units
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#define CONVERT_M (0.06f)
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__END_DECLS
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#endif // ANDROID_SENSORS_H
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