1 /*
2  * Copyright (C) 2016 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 #include "SensorServiceUtils.h"
18 
19 #include <android-base/properties.h>
20 #include <hardware/sensors.h>
21 
22 namespace android {
23 namespace SensorServiceUtil {
24 
25 // Keep in sync with sSensorReportingMode in Sensor.java
eventSizeBySensorType(int type)26 size_t eventSizeBySensorType(int type) {
27     if (type >= SENSOR_TYPE_DEVICE_PRIVATE_BASE) {
28         return 16;
29     }
30     switch (type) {
31         case SENSOR_TYPE_POSE_6DOF:
32             return 16;
33 
34         case SENSOR_TYPE_ACCELEROMETER_LIMITED_AXES_UNCALIBRATED:
35         case SENSOR_TYPE_GYROSCOPE_LIMITED_AXES_UNCALIBRATED:
36             return 9;
37 
38         case SENSOR_TYPE_ROTATION_VECTOR:
39         case SENSOR_TYPE_GEOMAGNETIC_ROTATION_VECTOR:
40             return 5;
41 
42         case SENSOR_TYPE_MAGNETIC_FIELD_UNCALIBRATED:
43         case SENSOR_TYPE_ACCELEROMETER_UNCALIBRATED:
44         case SENSOR_TYPE_GYROSCOPE_UNCALIBRATED:
45         case SENSOR_TYPE_ACCELEROMETER_LIMITED_AXES:
46         case SENSOR_TYPE_GYROSCOPE_LIMITED_AXES:
47             return 6;
48 
49         case SENSOR_TYPE_GAME_ROTATION_VECTOR:
50             return 4;
51 
52         case SENSOR_TYPE_SIGNIFICANT_MOTION:
53         case SENSOR_TYPE_STEP_DETECTOR:
54         case SENSOR_TYPE_STEP_COUNTER:
55         case SENSOR_TYPE_HEART_RATE:
56         case SENSOR_TYPE_TILT_DETECTOR:
57         case SENSOR_TYPE_WAKE_GESTURE:
58         case SENSOR_TYPE_GLANCE_GESTURE:
59         case SENSOR_TYPE_PICK_UP_GESTURE:
60         case SENSOR_TYPE_WRIST_TILT_GESTURE:
61         case SENSOR_TYPE_DEVICE_ORIENTATION:
62         case SENSOR_TYPE_STATIONARY_DETECT:
63         case SENSOR_TYPE_MOTION_DETECT:
64         case SENSOR_TYPE_HEART_BEAT:
65         case SENSOR_TYPE_LOW_LATENCY_OFFBODY_DETECT:
66         case SENSOR_TYPE_HINGE_ANGLE:
67             return 1;
68 
69         case SENSOR_TYPE_HEAD_TRACKER:
70             return 7;
71 
72         case SENSOR_TYPE_HEADING:
73             return 2;
74 
75         default:
76             return 3;
77     }
78 }
79 
isUserBuild()80 bool isUserBuild() {
81     std::string buildType = android::base::GetProperty("ro.build.type", "user");
82     return "user" == buildType;
83 }
84 
85 } // namespace SensorServiceUtil
86 } // namespace android;
87