1/* 2* Copyright (C) 2012 Invensense, Inc. 3* 4* Licensed under the Apache License, Version 2.0 (the "License"); 5* you may not use this file except in compliance with the License. 6* You may obtain a copy of the License at 7* 8* http://www.apache.org/licenses/LICENSE-2.0 9* 10* Unless required by applicable law or agreed to in writing, software 11* distributed under the License is distributed on an "AS IS" BASIS, 12* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13* See the License for the specific language governing permissions and 14* limitations under the License. 15*/ 16 17#ifndef ANDROID_SENSORS_H 18#define ANDROID_SENSORS_H 19 20#include <stdint.h> 21#include <errno.h> 22#include <sys/cdefs.h> 23#include <sys/types.h> 24 25#include <linux/input.h> 26 27#include <hardware/hardware.h> 28#include <hardware/sensors.h> 29 30__BEGIN_DECLS 31 32/*****************************************************************************/ 33 34#ifndef ARRAY_SIZE 35#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) 36#endif 37 38enum { 39 ID_GY = 0, 40 ID_RG, 41 ID_A, 42 ID_M, 43 ID_RM, 44 ID_PS, 45 ID_O, 46 ID_RV, 47 ID_GRV, 48 ID_LA, 49 ID_GR, 50 ID_SM, 51 ID_P, 52 ID_SC, 53 ID_GMRV, 54 ID_FC, 55 ID_SO 56}; 57 58/*****************************************************************************/ 59 60/* 61 * The SENSORS Module 62 */ 63 64/* ITG3500 */ 65#define EVENT_TYPE_GYRO_X REL_X 66#define EVENT_TYPE_GYRO_Y REL_Y 67#define EVENT_TYPE_GYRO_Z REL_Z 68/* MPU6050 MPU9150 */ 69#define EVENT_TYPE_IACCEL_X REL_RX 70#define EVENT_TYPE_IACCEL_Y REL_RY 71#define EVENT_TYPE_IACCEL_Z REL_RZ 72/* MPU6050 MPU9150 */ 73#define EVENT_TYPE_ICOMPASS_X REL_X 74#define EVENT_TYPE_ICOMPASS_Y REL_Y 75#define EVENT_TYPE_ICOMPASS_Z REL_Z 76/* MPUxxxx */ 77#define EVENT_TYPE_TIMESTAMP_HI REL_MISC 78#define EVENT_TYPE_TIMESTAMP_LO REL_WHEEL 79 80/* Accel BMA250 */ 81#define EVENT_TYPE_ACCEL_X ABS_X 82#define EVENT_TYPE_ACCEL_Y ABS_Y 83#define EVENT_TYPE_ACCEL_Z ABS_Z 84#define LSG (1000.0f) 85 86// conversion of acceleration data to SI units (m/s^2) 87#define RANGE_A (4*GRAVITY_EARTH) 88#define RESOLUTION_A (GRAVITY_EARTH / LSG) 89#define CONVERT_A (GRAVITY_EARTH / LSG) 90#define CONVERT_A_X (CONVERT_A) 91#define CONVERT_A_Y (CONVERT_A) 92#define CONVERT_A_Z (CONVERT_A) 93 94/* AKM compasses */ 95#define EVENT_TYPE_MAGV_X ABS_RX 96#define EVENT_TYPE_MAGV_Y ABS_RY 97#define EVENT_TYPE_MAGV_Z ABS_RZ 98#define EVENT_TYPE_MAGV_STATUS ABS_RUDDER 99 100// conversion of magnetic data to uT units 101#define CONVERT_M (0.06f) 102 103__END_DECLS 104 105#endif // ANDROID_SENSORS_H 106