1 /*
2 * Copyright (c) 2021-2023 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "action_charger.h"
17
18 #include <map>
19 #include "constants.h"
20 #include "file_operation.h"
21 #include "securec.h"
22 #include "thermal_hisysevent.h"
23 #include "thermal_service.h"
24 #include "v1_2/ibattery_interface.h"
25
26 namespace OHOS {
27 namespace PowerMgr {
28 namespace {
29 constexpr const char* SC_CURRENT_PATH = "/data/service/el0/thermal/config/sc_current";
30 constexpr const char* BUCK_CURRENT_PATH = "/data/service/el0/thermal/config/buck_current";
31 const int MAX_PATH = 256;
32 auto g_service = DelayedSpSingleton<ThermalService>::GetInstance();
33 }
34 std::vector<ChargingLimit> ActionCharger::chargeLimitList_;
35
ActionCharger(const std::string & actionName)36 ActionCharger::ActionCharger(const std::string& actionName)
37 {
38 actionName_ = actionName;
39 }
40
InitParams(const std::string & protocol)41 void ActionCharger::InitParams(const std::string& protocol)
42 {
43 protocol_ = protocol;
44 }
45
SetStrict(bool enable)46 void ActionCharger::SetStrict(bool enable)
47 {
48 isStrict_ = enable;
49 }
50
SetEnableEvent(bool enable)51 void ActionCharger::SetEnableEvent(bool enable)
52 {
53 enableEvent_ = enable;
54 }
55
AddActionValue(std::string value)56 void ActionCharger::AddActionValue(std::string value)
57 {
58 if (value.empty()) {
59 return;
60 }
61 valueList_.push_back(static_cast<uint32_t>(strtol(value.c_str(), nullptr, STRTOL_FORMART_DEC)));
62 }
63
Execute()64 void ActionCharger::Execute()
65 {
66 THERMAL_RETURN_IF (g_service == nullptr);
67 uint32_t value = GetActionValue();
68 if (value != lastValue_) {
69 ChargerRequest(value);
70 WriteSimValue(value);
71 WriteActionTriggeredHiSysEvent(enableEvent_, actionName_, value);
72 g_service->GetObserver()->SetDecisionValue(actionName_, std::to_string(value));
73 lastValue_ = value;
74 THERMAL_HILOGD(COMP_SVC, "action execute: {%{public}s = %{public}u}", actionName_.c_str(), lastValue_);
75 }
76 valueList_.clear();
77 }
78
GetActionValue()79 uint32_t ActionCharger::GetActionValue()
80 {
81 std::string scene = g_service->GetScene();
82 auto iter = g_sceneMap.find(scene);
83 if (iter != g_sceneMap.end()) {
84 return static_cast<uint32_t>(strtol(iter->second.c_str(), nullptr, STRTOL_FORMART_DEC));
85 }
86 uint32_t value = FALLBACK_VALUE_UINT_ZERO;
87 if (!valueList_.empty()) {
88 if (isStrict_) {
89 value = *min_element(valueList_.begin(), valueList_.end());
90 } else {
91 value = *max_element(valueList_.begin(), valueList_.end());
92 }
93 }
94 return value;
95 }
96
ChargerRequest(int32_t current)97 int32_t ActionCharger::ChargerRequest(int32_t current)
98 {
99 ChargingLimit chargingLimit;
100 chargingLimit.type = TYPE_CURRENT;
101 chargingLimit.protocol = protocol_;
102 chargingLimit.value = current;
103 chargeLimitList_.push_back(chargingLimit);
104
105 auto thermalInterface = g_service->GetThermalInterface();
106 if (thermalInterface != nullptr) {
107 int32_t ret = thermalInterface->SetBatteryCurrent(current);
108 if (ret != ERR_OK) {
109 THERMAL_HILOGE(COMP_SVC, "failed to set charger current to thermal hdf");
110 return ret;
111 }
112 }
113 return ERR_OK;
114 }
115
ExecuteCurrentLimit()116 void ActionCharger::ExecuteCurrentLimit()
117 {
118 if (chargeLimitList_.empty()) {
119 return;
120 }
121 sptr<IBatteryInterface> iBatteryInterface = IBatteryInterface::Get();
122 if (iBatteryInterface == nullptr) {
123 THERMAL_HILOGE(COMP_SVC, "iBatteryInterface_ is nullptr");
124 return;
125 }
126 int32_t result = iBatteryInterface->SetChargingLimit(chargeLimitList_);
127 if (result != ERR_OK) {
128 THERMAL_HILOGE(COMP_SVC, "failed to set charge limit");
129 return;
130 }
131 chargeLimitList_.clear();
132 }
133
WriteSimValue(int32_t simValue)134 int32_t ActionCharger::WriteSimValue(int32_t simValue)
135 {
136 int32_t ret = -1;
137 char buf[MAX_PATH] = {0};
138 if (protocol_ == SC_PROTOCOL) {
139 ret = snprintf_s(buf, MAX_PATH, sizeof(buf) - 1, SC_CURRENT_PATH);
140 if (ret < EOK) {
141 return ret;
142 }
143 } else if (protocol_ == BUCK_PROTOCOL) {
144 ret = snprintf_s(buf, MAX_PATH, sizeof(buf) - 1, BUCK_CURRENT_PATH);
145 if (ret < EOK) {
146 return ret;
147 }
148 }
149 std::string valueString = std::to_string(simValue) + "\n";
150 ret = FileOperation::WriteFile(buf, valueString, valueString.length());
151 if (ret != ERR_OK) {
152 return ret;
153 }
154 return ERR_OK;
155 }
156 } // namespace PowerMgr
157 } // namespace OHOS
158