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