99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
|
/*
|
||
|
|
* 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
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
|
||
|
|
int init_nusensors(hw_module_t const* module, hw_device_t** device);
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
|
||
|
|
#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
|
||
|
|
|
||
|
|
#define ID_A (0)
|
||
|
|
#define ID_M (1)
|
||
|
|
#define ID_O (2)
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The SENSORS Module
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
|
||
|
|
#define AKM_DEVICE_NAME "/dev/akm8973_aot"
|
||
|
|
|
||
|
|
#define EVENT_TYPE_ACCEL_X ABS_X
|
||
|
|
#define EVENT_TYPE_ACCEL_Y ABS_Z
|
||
|
|
#define EVENT_TYPE_ACCEL_Z ABS_Y
|
||
|
|
#define EVENT_TYPE_ACCEL_STATUS ABS_WHEEL
|
||
|
|
|
||
|
|
#define EVENT_TYPE_YAW ABS_RX
|
||
|
|
#define EVENT_TYPE_PITCH ABS_RY
|
||
|
|
#define EVENT_TYPE_ROLL ABS_RZ
|
||
|
|
#define EVENT_TYPE_ORIENT_STATUS ABS_RUDDER
|
||
|
|
|
||
|
|
#define EVENT_TYPE_MAGV_X ABS_HAT0X
|
||
|
|
#define EVENT_TYPE_MAGV_Y ABS_HAT0Y
|
||
|
|
#define EVENT_TYPE_MAGV_Z ABS_BRAKE
|
||
|
|
|
||
|
|
#define EVENT_TYPE_TEMPERATURE ABS_THROTTLE
|
||
|
|
#define EVENT_TYPE_STEP_COUNT ABS_GAS
|
||
|
|
|
||
|
|
// 720 LSG = 1G
|
||
|
|
#define LSG (720.0f)
|
||
|
|
|
||
|
|
|
||
|
|
// conversion of acceleration data to SI units (m/s^2)
|
||
|
|
#define CONVERT_A (GRAVITY_EARTH / LSG)
|
||
|
|
#define CONVERT_A_X (-CONVERT_A)
|
||
|
|
#define CONVERT_A_Y (CONVERT_A)
|
||
|
|
#define CONVERT_A_Z (-CONVERT_A)
|
||
|
|
|
||
|
|
// conversion of magnetic data to uT units
|
||
|
|
#define CONVERT_M (1.0f/16.0f)
|
||
|
|
#define CONVERT_M_X (-CONVERT_M)
|
||
|
|
#define CONVERT_M_Y (-CONVERT_M)
|
||
|
|
#define CONVERT_M_Z (CONVERT_M)
|
||
|
|
|
||
|
|
#define CONVERT_O (1.0f)
|
||
|
|
#define CONVERT_O_Y (CONVERT_O)
|
||
|
|
#define CONVERT_O_P (CONVERT_O)
|
||
|
|
#define CONVERT_O_R (-CONVERT_O)
|
||
|
|
|
||
|
|
#define SENSOR_STATE_MASK (0x7FFF)
|
||
|
|
|
||
|
|
/*****************************************************************************/
|
||
|
|
|
||
|
|
__END_DECLS
|
||
|
|
|
||
|
|
#endif // ANDROID_SENSORS_H
|