1 /*
2  * Copyright (C) 2017 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/platform/platform_gnss.h"
18 
19 #include <cinttypes>
20 
21 #include "chre/core/event_loop_manager.h"
22 #include "chre/platform/shared/pal_system_api.h"
23 #include "chre/platform/log.h"
24 
25 namespace chre {
26 
PlatformGnss()27 PlatformGnss::PlatformGnss() {
28   mGnssApi = chrePalGnssGetApi(CHRE_PAL_GNSS_API_CURRENT_VERSION);
29   if (mGnssApi != nullptr) {
30     mGnssCallbacks.requestStateResync =
31         PlatformGnssBase::requestStateResyncCallback;
32     mGnssCallbacks.locationStatusChangeCallback =
33         PlatformGnssBase::locationStatusChangeCallback;
34     mGnssCallbacks.locationEventCallback =
35         PlatformGnssBase::locationEventCallback;
36     mGnssCallbacks.measurementStatusChangeCallback =
37         PlatformGnssBase::measurementStatusChangeCallback;
38     mGnssCallbacks.measurementEventCallback =
39         PlatformGnssBase::measurementEventCallback;
40     if (!mGnssApi->open(&gChrePalSystemApi, &mGnssCallbacks)) {
41       LOGE("GNSS PAL open returned false");
42       mGnssApi = nullptr;
43     }
44   } else {
45     LOGW("Requested GNSS PAL (version %08" PRIx32 ") not found",
46          CHRE_PAL_GNSS_API_CURRENT_VERSION);
47   }
48 }
49 
~PlatformGnss()50 PlatformGnss::~PlatformGnss() {
51   if (mGnssApi != nullptr) {
52     mGnssApi->close();
53   }
54 }
55 
getCapabilities()56 uint32_t PlatformGnss::getCapabilities() {
57   if (mGnssApi != nullptr) {
58     return mGnssApi->getCapabilities();
59   } else {
60     return CHRE_GNSS_CAPABILITIES_NONE;
61   }
62 }
63 
requestStateResyncCallback()64 void PlatformGnssBase::requestStateResyncCallback() {
65   // TODO: Implement this.
66 }
67 
locationStatusChangeCallback(bool enabled,uint8_t errorCode)68 void PlatformGnssBase::locationStatusChangeCallback(bool enabled,
69                                                     uint8_t errorCode) {
70   // TODO: Implement this.
71 }
72 
locationEventCallback(struct chreGnssLocationEvent * event)73 void PlatformGnssBase::locationEventCallback(
74     struct chreGnssLocationEvent *event) {
75   // TODO: Implement this.
76 }
77 
measurementStatusChangeCallback(bool enabled,uint8_t errorCode)78 void PlatformGnssBase::measurementStatusChangeCallback(bool enabled,
79                                                        uint8_t errorCode) {
80   // TODO: Implement this.
81 }
82 
measurementEventCallback(struct chreGnssDataEvent * event)83 void PlatformGnssBase::measurementEventCallback(
84     struct chreGnssDataEvent *event) {
85   // TODO: Implement this.
86 }
87 
88 }  // namespace chre
89