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85 lines
2.4 KiB
85 lines
2.4 KiB
/* |
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* Copyright (C) 2008 The Android Open Source Project |
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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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#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0])) |
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#define ID_A (0) |
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#define ID_M (1) |
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#define ID_O (2) |
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/*****************************************************************************/ |
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/* |
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* The SENSORS Module |
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*/ |
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/*****************************************************************************/ |
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/* For ADXL346 */ |
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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 EVENT_TYPE_ACCEL_STATUS ABS_THROTTLE |
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/* For AK8975 */ |
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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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/* Fro AKM Algorithm */ |
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#define EVENT_TYPE_YAW ABS_HAT0X |
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#define EVENT_TYPE_PITCH ABS_HAT0Y |
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#define EVENT_TYPE_ROLL ABS_HAT1X |
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#define EVENT_TYPE_ORIENT_STATUS ABS_HAT1Y |
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/* conversion of acceleration data to SI units (m/s^2) */ |
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/* 720 LSB = 1G */ |
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#define LSG (256.0f) |
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#define AKSC_LSG (720.0f) |
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#define CONVERT_A (GRAVITY_EARTH / LSG) |
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/* conversion of magnetic data to uT units */ |
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#define CONVERT_M (0.06f) |
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/* conversion of orientation data to degree units */ |
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#define CONVERT_O (0.015625f) |
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#define SENSOR_STATE_MASK (0x7FFF) |
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/*****************************************************************************/ |
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__END_DECLS |
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#endif // ANDROID_SENSORS_H
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