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 if (mGnssApi != nullptr) {
29 LOGD("Platform GNSS closing");
30 prePalApiCall();
31 mGnssApi->close();
32 LOGD("Platform GNSS closed");
33 }
34 }
35
init()36 void PlatformGnss::init() {
37 prePalApiCall();
38 mGnssApi = chrePalGnssGetApi(CHRE_PAL_GNSS_API_CURRENT_VERSION);
39 if (mGnssApi != nullptr) {
40 mGnssCallbacks.requestStateResync =
41 PlatformGnssBase::requestStateResyncCallback;
42 mGnssCallbacks.locationStatusChangeCallback =
43 PlatformGnssBase::locationStatusChangeCallback;
44 mGnssCallbacks.locationEventCallback =
45 PlatformGnssBase::locationEventCallback;
46 mGnssCallbacks.measurementStatusChangeCallback =
47 PlatformGnssBase::measurementStatusChangeCallback;
48 mGnssCallbacks.measurementEventCallback =
49 PlatformGnssBase::measurementEventCallback;
50 if (!mGnssApi->open(&gChrePalSystemApi, &mGnssCallbacks)) {
51 LOGE("GNSS PAL open returned false");
52 mGnssApi = nullptr;
53 }
54 } else {
55 LOGW("Requested GNSS PAL (version %08" PRIx32 ") not found",
56 CHRE_PAL_GNSS_API_CURRENT_VERSION);
57 }
58 }
59
getCapabilities()60 uint32_t PlatformGnss::getCapabilities() {
61 if (mGnssApi != nullptr) {
62 prePalApiCall();
63 return mGnssApi->getCapabilities();
64 } else {
65 return CHRE_GNSS_CAPABILITIES_NONE;
66 }
67 }
68
controlLocationSession(bool enable,Milliseconds minInterval,Milliseconds minTimeToNextFix)69 bool PlatformGnss::controlLocationSession(bool enable, Milliseconds minInterval,
70 Milliseconds minTimeToNextFix) {
71 if (mGnssApi != nullptr) {
72 prePalApiCall();
73 return mGnssApi->controlLocationSession(enable,
74 static_cast<uint32_t>(minInterval.getMilliseconds()),
75 static_cast<uint32_t>(minTimeToNextFix.getMilliseconds()));
76 } else {
77 return false;
78 }
79 }
80
releaseLocationEvent(chreGnssLocationEvent * event)81 void PlatformGnss::releaseLocationEvent(chreGnssLocationEvent *event) {
82 if (mGnssApi != nullptr) {
83 prePalApiCall();
84 mGnssApi->releaseLocationEvent(event);
85 }
86 }
87
requestStateResyncCallback()88 void PlatformGnssBase::requestStateResyncCallback() {
89 // TODO: Implement this.
90 }
91
locationStatusChangeCallback(bool enabled,uint8_t errorCode)92 void PlatformGnssBase::locationStatusChangeCallback(bool enabled,
93 uint8_t errorCode) {
94 EventLoopManagerSingleton::get()->getGnssRequestManager()
95 .handleLocationSessionStatusChange(enabled, errorCode);
96 }
97
locationEventCallback(struct chreGnssLocationEvent * event)98 void PlatformGnssBase::locationEventCallback(
99 struct chreGnssLocationEvent *event) {
100 EventLoopManagerSingleton::get()->getGnssRequestManager()
101 .handleLocationEvent(event);
102 }
103
measurementStatusChangeCallback(bool enabled,uint8_t errorCode)104 void PlatformGnssBase::measurementStatusChangeCallback(bool enabled,
105 uint8_t errorCode) {
106 // TODO: Implement this.
107 }
108
measurementEventCallback(struct chreGnssDataEvent * event)109 void PlatformGnssBase::measurementEventCallback(
110 struct chreGnssDataEvent *event) {
111 // TODO: Implement this.
112 }
113
114 } // namespace chre
115