145 lines
5.3 KiB
C
145 lines
5.3 KiB
C
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/*
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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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#define ID_L (3)
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#define ID_P (4)
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#define ID_GY (5)
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/*****************************************************************************/
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/*
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* The SENSORS Module
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*/
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/* the CM3663 is a binary proximity sensor that triggers around 9 cm on
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* this hardware */
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#define PROXIMITY_THRESHOLD_CM 9.0f
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/*****************************************************************************/
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#define AKM_DEVICE_NAME "/dev/akm8975"
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#define CM_DEVICE_NAME "/dev/i2c11" // FIXME Proximity
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#define LS_DEVICE_NAME "/dev/i2c11" // FIXME Lig
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/*
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E/Sensors ( 2656): AkmSensor: processing event (type=0, code=0)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=8)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=3)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=4)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=5)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=0)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=1)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=2)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=6)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=7)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=9)
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E/Sensors ( 2656): AkmSensor: processing event (type=0, code=0)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=8)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=3)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=4)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=5)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=0)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=1)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=2)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=6)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=7)
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E/Sensors ( 2656): AkmSensor: processing event (type=2, code=9)
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*/
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// for akm8975
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#define EVENT_TYPE_ACCEL_X ABS_Y //1
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#define EVENT_TYPE_ACCEL_Y ABS_X //0
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#define EVENT_TYPE_ACCEL_Z ABS_Z //2
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//#define EVENT_TYPE_ACCEL_STATUS ABS_WHEEL //8
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#define EVENT_TYPE_YAW ABS_RX //3
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#define EVENT_TYPE_PITCH ABS_RY //4
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#define EVENT_TYPE_ROLL ABS_RZ //5
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#define EVENT_TYPE_ORIENT_STATUS ABS_WHEEL //8
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#define EVENT_TYPE_MAGV_X ABS_RUDDER // 6
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#define EVENT_TYPE_MAGV_Y ABS_THROTTLE // 7
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#define EVENT_TYPE_MAGV_Z ABS_GAS // 9
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#define EVENT_TYPE_TEMPERATURE ABS_THROTTLE
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#define EVENT_TYPE_STEP_COUNT ABS_GAS
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#define EVENT_TYPE_PROXIMITY ABS_DISTANCE
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#define EVENT_TYPE_LIGHT ABS_MISC
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#define EVENT_TYPE_GYRO_X REL_RY
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#define EVENT_TYPE_GYRO_Y REL_RX
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#define EVENT_TYPE_GYRO_Z REL_RZ
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// 90 LSB = 1G for KR3DM
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#define LSB (90.0f)
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#define NUMOFACCDATA (8.0f)
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// conversion of acceleration data to SI units (m/s^2)
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#define RANGE_A (2*GRAVITY_EARTH)
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#define CONVERT_A (GRAVITY_EARTH / LSB / NUMOFACCDATA)
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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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// conversion of magnetic data to uT units
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#define CONVERT_M (1.0f/16.0f)
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#define CONVERT_M_X (-CONVERT_M)
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#define CONVERT_M_Y (-CONVERT_M)
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#define CONVERT_M_Z (-CONVERT_M)
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/* conversion of orientation data to degree units */
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#define CONVERT_O (1.0f/64.0f)
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#define CONVERT_O_A (CONVERT_O)
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#define CONVERT_O_P (CONVERT_O)
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#define CONVERT_O_R (-CONVERT_O)
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// conversion of gyro data to SI units (radian/sec)
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#define RANGE_GYRO (2000.0f*(float)M_PI/180.0f)
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#define CONVERT_GYRO ((70.0f / 1000.0f) * ((float)M_PI / 180.0f))
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#define CONVERT_GYRO_X (CONVERT_GYRO)
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#define CONVERT_GYRO_Y (-CONVERT_GYRO)
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#define CONVERT_GYRO_Z (CONVERT_GYRO)
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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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