| /* |
| * 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) |
| #define ID_L (3) |
| #define ID_P (4) |
| #define ID_GY (5) |
| |
| /*****************************************************************************/ |
| |
| /* |
| * The SENSORS Module |
| */ |
| |
| /* the GP2A is a binary proximity sensor that triggers around 5 cm on |
| * this hardware */ |
| #define PROXIMITY_THRESHOLD_GP2A 5.0f |
| |
| /*****************************************************************************/ |
| |
| #define AKM_DEVICE_NAME "/dev/akm8973_aot" |
| |
| #define EVENT_TYPE_ACCEL_X REL_Y |
| #define EVENT_TYPE_ACCEL_Y REL_X |
| #define EVENT_TYPE_ACCEL_Z REL_Z |
| |
| #define EVENT_TYPE_YAW REL_RX |
| #define EVENT_TYPE_PITCH REL_RY |
| #define EVENT_TYPE_ROLL REL_RZ |
| #define EVENT_TYPE_ORIENT_STATUS REL_WHEEL |
| |
| /* For AK8973iB */ |
| #define EVENT_TYPE_MAGV_X REL_DIAL |
| #define EVENT_TYPE_MAGV_Y REL_HWHEEL |
| #define EVENT_TYPE_MAGV_Z REL_MISC |
| |
| #define EVENT_TYPE_PROXIMITY ABS_DISTANCE |
| #define EVENT_TYPE_LIGHT ABS_MISC |
| |
| #define EVENT_TYPE_GYRO_X REL_RY |
| #define EVENT_TYPE_GYRO_Y REL_RX |
| #define EVENT_TYPE_GYRO_Z REL_RZ |
| |
| |
| // 64 LSB = 1G for KR3DM |
| #define LSB (64.0f) |
| #define NUMOFACCDATA (8.0f) |
| |
| // conversion of acceleration data to SI units (m/s^2) |
| #define RANGE_A (2*GRAVITY_EARTH) |
| #define CONVERT_A (GRAVITY_EARTH / LSB / NUMOFACCDATA) |
| #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) |
| |
| /* conversion of orientation data to degree units */ |
| #define CONVERT_O (1.0f/64.0f) |
| #define CONVERT_O_A (CONVERT_O) |
| #define CONVERT_O_P (CONVERT_O) |
| #define CONVERT_O_R (-CONVERT_O) |
| |
| // conversion of gyro data to SI units (radian/sec) |
| #define RANGE_GYRO (2000.0f*(float)M_PI/180.0f) |
| #define CONVERT_GYRO ((70.0f / 1000.0f) * ((float)M_PI / 180.0f)) |
| #define CONVERT_GYRO_X (CONVERT_GYRO) |
| #define CONVERT_GYRO_Y (-CONVERT_GYRO) |
| #define CONVERT_GYRO_Z (CONVERT_GYRO) |
| |
| #define SENSOR_STATE_MASK (0x7FFF) |
| |
| /*****************************************************************************/ |
| |
| __END_DECLS |
| |
| #endif // ANDROID_SENSORS_H |
