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 #ifdef CHRE_GNSS_SUPPORT_ENABLED
18
19 #include "chre/platform/platform_gnss.h"
20
21 #include <cinttypes>
22
23 #include "chre/core/event_loop_manager.h"
24 #include "chre/platform/log.h"
25 #include "chre/platform/shared/pal_system_api.h"
26
27 namespace chre {
28
29 const chrePalGnssCallbacks PlatformGnssBase::sGnssCallbacks = {
30 PlatformGnssBase::requestStateResyncCallback,
31 PlatformGnssBase::locationStatusChangeCallback,
32 PlatformGnssBase::locationEventCallback,
33 PlatformGnssBase::measurementStatusChangeCallback,
34 PlatformGnssBase::measurementEventCallback,
35 };
36
~PlatformGnss()37 PlatformGnss::~PlatformGnss() {
38 if (mGnssApi != nullptr) {
39 LOGD("Platform GNSS closing");
40 prePalApiCall(PalType::GNSS);
41 mGnssApi->close();
42 LOGD("Platform GNSS closed");
43 }
44 }
45
init()46 void PlatformGnss::init() {
47 prePalApiCall(PalType::GNSS);
48 mGnssApi = chrePalGnssGetApi(CHRE_PAL_GNSS_API_CURRENT_VERSION);
49 if (mGnssApi != nullptr) {
50 if (!mGnssApi->open(&gChrePalSystemApi, &sGnssCallbacks)) {
51 LOGE("GNSS PAL open returned false");
52
53 #ifdef CHRE_TELEMETRY_SUPPORT_ENABLED
54 EventLoopManagerSingleton::get()->getTelemetryManager().onPalOpenFailure(
55 TelemetryManager::PalType::GNSS);
56 #endif // CHRE_TELEMETRY_SUPPORT_ENABLED
57
58 mGnssApi = nullptr;
59 } else {
60 LOGD("Opened GNSS PAL version 0x%08" PRIx32, mGnssApi->moduleVersion);
61 }
62 } else {
63 LOGW("Requested GNSS PAL (version 0x%08" PRIx32 ") not found",
64 CHRE_PAL_GNSS_API_CURRENT_VERSION);
65 }
66 }
67
getCapabilities()68 uint32_t PlatformGnss::getCapabilities() {
69 if (mGnssApi != nullptr) {
70 prePalApiCall(PalType::GNSS);
71 return mGnssApi->getCapabilities();
72 } else {
73 return CHRE_GNSS_CAPABILITIES_NONE;
74 }
75 }
76
controlLocationSession(bool enable,Milliseconds minInterval,Milliseconds minTimeToNextFix)77 bool PlatformGnss::controlLocationSession(bool enable, Milliseconds minInterval,
78 Milliseconds minTimeToNextFix) {
79 if (mGnssApi != nullptr) {
80 prePalApiCall(PalType::GNSS);
81 return mGnssApi->controlLocationSession(
82 enable, static_cast<uint32_t>(minInterval.getMilliseconds()),
83 static_cast<uint32_t>(minTimeToNextFix.getMilliseconds()));
84 } else {
85 return false;
86 }
87 }
88
releaseLocationEvent(chreGnssLocationEvent * event)89 void PlatformGnss::releaseLocationEvent(chreGnssLocationEvent *event) {
90 if (mGnssApi != nullptr) {
91 prePalApiCall(PalType::GNSS);
92 mGnssApi->releaseLocationEvent(event);
93 }
94 }
95
requestStateResyncCallback()96 void PlatformGnssBase::requestStateResyncCallback() {
97 EventLoopManagerSingleton::get()
98 ->getGnssManager()
99 .handleRequestStateResyncCallback();
100 }
101
locationStatusChangeCallback(bool enabled,uint8_t errorCode)102 void PlatformGnssBase::locationStatusChangeCallback(bool enabled,
103 uint8_t errorCode) {
104 EventLoopManagerSingleton::get()
105 ->getGnssManager()
106 .getLocationSession()
107 .handleStatusChange(enabled, errorCode);
108 }
109
locationEventCallback(struct chreGnssLocationEvent * event)110 void PlatformGnssBase::locationEventCallback(
111 struct chreGnssLocationEvent *event) {
112 EventLoopManagerSingleton::get()
113 ->getGnssManager()
114 .getLocationSession()
115 .handleReportEvent(event);
116 }
117
controlMeasurementSession(bool enable,Milliseconds minInterval)118 bool PlatformGnss::controlMeasurementSession(bool enable,
119 Milliseconds minInterval) {
120 if (mGnssApi != nullptr) {
121 prePalApiCall(PalType::GNSS);
122 return mGnssApi->controlMeasurementSession(
123 enable, static_cast<uint32_t>(minInterval.getMilliseconds()));
124 } else {
125 return false;
126 }
127 }
128
releaseMeasurementDataEvent(chreGnssDataEvent * event)129 void PlatformGnss::releaseMeasurementDataEvent(chreGnssDataEvent *event) {
130 if (mGnssApi != nullptr) {
131 prePalApiCall(PalType::GNSS);
132 mGnssApi->releaseMeasurementDataEvent(event);
133 }
134 }
135
configurePassiveLocationListener(bool enable)136 bool PlatformGnss::configurePassiveLocationListener(bool enable) {
137 bool success = false;
138 if (mGnssApi != nullptr &&
139 mGnssApi->moduleVersion >= CHRE_PAL_GNSS_API_V1_2) {
140 prePalApiCall(PalType::GNSS);
141 success = mGnssApi->configurePassiveLocationListener(enable);
142 }
143 return success;
144 }
145
measurementStatusChangeCallback(bool enabled,uint8_t errorCode)146 void PlatformGnssBase::measurementStatusChangeCallback(bool enabled,
147 uint8_t errorCode) {
148 EventLoopManagerSingleton::get()
149 ->getGnssManager()
150 .getMeasurementSession()
151 .handleStatusChange(enabled, errorCode);
152 }
153
measurementEventCallback(struct chreGnssDataEvent * event)154 void PlatformGnssBase::measurementEventCallback(
155 struct chreGnssDataEvent *event) {
156 EventLoopManagerSingleton::get()
157 ->getGnssManager()
158 .getMeasurementSession()
159 .handleReportEvent(event);
160 }
161
162 } // namespace chre
163
164 #endif // CHRE_GNSS_SUPPORT_ENABLED
165