1 /* 2 * Copyright (C) 2008 The Android Open Source Project 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 int init_nusensors(hw_module_t const* module, hw_device_t** device); 35 36 /*****************************************************************************/ 37 38 #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0])) 39 40 #define ID_A (0) 41 #define ID_M (1) 42 #define ID_O (2) 43 #define ID_P (3) 44 #define ID_L (4) 45 46 /*****************************************************************************/ 47 48 /* 49 * The SENSORS Module 50 */ 51 52 /* the CM3602 is a binary proximity sensor that triggers around 9 cm on 53 * this hardware */ 54 #define PROXIMITY_THRESHOLD_CM 9.0f 55 56 /*****************************************************************************/ 57 58 #define AKM_DEVICE_NAME "/dev/akm8973_aot" 59 #define CM_DEVICE_NAME "/dev/cm3602" 60 #define LS_DEVICE_NAME "/dev/lightsensor" 61 62 #define EVENT_TYPE_ACCEL_X ABS_X 63 #define EVENT_TYPE_ACCEL_Y ABS_Z 64 #define EVENT_TYPE_ACCEL_Z ABS_Y 65 #define EVENT_TYPE_ACCEL_STATUS ABS_WHEEL 66 67 #define EVENT_TYPE_YAW ABS_RX 68 #define EVENT_TYPE_PITCH ABS_RY 69 #define EVENT_TYPE_ROLL ABS_RZ 70 #define EVENT_TYPE_ORIENT_STATUS ABS_RUDDER 71 72 #define EVENT_TYPE_MAGV_X ABS_HAT0X 73 #define EVENT_TYPE_MAGV_Y ABS_HAT0Y 74 #define EVENT_TYPE_MAGV_Z ABS_BRAKE 75 76 #define EVENT_TYPE_TEMPERATURE ABS_THROTTLE 77 #define EVENT_TYPE_STEP_COUNT ABS_GAS 78 #define EVENT_TYPE_PROXIMITY ABS_DISTANCE 79 #define EVENT_TYPE_LIGHT ABS_MISC 80 81 // 720 LSG = 1G 82 #define LSG (720.0f) 83 84 85 // conversion of acceleration data to SI units (m/s^2) 86 #define CONVERT_A (GRAVITY_EARTH / LSG) 87 #define CONVERT_A_X (-CONVERT_A) 88 #define CONVERT_A_Y (CONVERT_A) 89 #define CONVERT_A_Z (-CONVERT_A) 90 91 // conversion of magnetic data to uT units 92 #define CONVERT_M (1.0f/16.0f) 93 #define CONVERT_M_X (-CONVERT_M) 94 #define CONVERT_M_Y (-CONVERT_M) 95 #define CONVERT_M_Z (CONVERT_M) 96 97 #define CONVERT_O (1.0f) 98 #define CONVERT_O_Y (CONVERT_O) 99 #define CONVERT_O_P (CONVERT_O) 100 #define CONVERT_O_R (-CONVERT_O) 101 102 #define SENSOR_STATE_MASK (0x7FFF) 103 104 /*****************************************************************************/ 105 106 __END_DECLS 107 108 #endif // ANDROID_SENSORS_H 109
