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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 "chre/core/event_loop_manager.h"
18 #include "chre/core/sensor_request.h"
19 #include "chre/util/time.h"
20 #include "chre/util/macros.h"
21 #include "chre_api/chre/sensor.h"
22 
23 using chre::EventLoopManager;
24 using chre::EventLoopManagerSingleton;
25 using chre::Nanoseconds;
26 using chre::SensorMode;
27 using chre::SensorRequest;
28 using chre::SensorType;
29 
30 using chre::getSensorModeFromEnum;
31 using chre::getSensorTypeFromUnsignedInt;
32 
chreSensorFindDefault(uint8_t sensorType,uint32_t * handle)33 DLL_EXPORT bool chreSensorFindDefault(uint8_t sensorType, uint32_t *handle) {
34   SensorType validatedSensorType = getSensorTypeFromUnsignedInt(sensorType);
35   return (validatedSensorType != SensorType::Unknown
36       && EventLoopManagerSingleton::get()->getSensorRequestManager()
37           .getSensorHandle(validatedSensorType, handle));
38 }
39 
chreGetSensorInfo(uint32_t sensorHandle,struct chreSensorInfo * info)40 DLL_EXPORT bool chreGetSensorInfo(uint32_t sensorHandle,
41                                   struct chreSensorInfo *info) {
42   CHRE_ASSERT(info);
43 
44   chre::Nanoapp *nanoapp = EventLoopManager::validateChreApiCall(__func__);
45 
46   bool success = false;
47   if (info != nullptr) {
48     success = EventLoopManagerSingleton::get()->getSensorRequestManager().
49         getSensorInfo(sensorHandle, *nanoapp, info);
50   }
51   return success;
52 }
53 
chreGetSensorSamplingStatus(uint32_t sensorHandle,struct chreSensorSamplingStatus * status)54 DLL_EXPORT bool chreGetSensorSamplingStatus(
55     uint32_t sensorHandle, struct chreSensorSamplingStatus *status) {
56   CHRE_ASSERT(status);
57 
58   bool success = false;
59   if (status != nullptr) {
60     success = EventLoopManagerSingleton::get()->getSensorRequestManager().
61         getSensorSamplingStatus(sensorHandle, status);
62   }
63   return success;
64 }
65 
chreSensorConfigure(uint32_t sensorHandle,enum chreSensorConfigureMode mode,uint64_t interval,uint64_t latency)66 DLL_EXPORT bool chreSensorConfigure(uint32_t sensorHandle,
67                                     enum chreSensorConfigureMode mode,
68                                     uint64_t interval, uint64_t latency) {
69   chre::Nanoapp *nanoapp = EventLoopManager::validateChreApiCall(__func__);
70   SensorMode sensorMode = getSensorModeFromEnum(mode);
71   SensorRequest sensorRequest(nanoapp, sensorMode, Nanoseconds(interval),
72                               Nanoseconds(latency));
73   return EventLoopManagerSingleton::get()->getSensorRequestManager()
74       .setSensorRequest(nanoapp, sensorHandle, sensorRequest);
75 }
76