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README
Apache-2.0

热管理服务

简介

热管理服务提供设备温度管理控制能力,保障整机热安全及热体验。

图 1 热管理服务架构图

热管理服务模块功能说明

  1. 温控管理中心(Thermal Manager):提供对应用及其他子系统的温控查询及回调接口。
  2. 温控核心服务(Thermal Service):提供温度检测、档位仲裁及动作下发等温控核心功能,附配置文件。
  3. 内核连接模块(Thermal HDI):提供温度驱动信息上报及驱动指令下发等功能,附配置文件。
  4. 非运行态温控模块(Thermal Protector):提供非运行态时的简化温控服务,附配置文件。

目录

/base/powermgr/thermal_manager
├── application                  # Native应用
│   ├── init                     # Init配置
│   └── protector                # Thermal Protector代码
├── figures                      # 架构图
├── frameworks                   # Framework层
│   ├── napi                     # NAPI层
│   └── native                   # Native层
├── interface                    # 接口层
│   └── inner_api                # 内部接口
├── sa_profile                   # SA配置文件
├── services                     # Thermal Service代码
│   ├── native                   # Native层
│   └── zidl                     # Zidl层
├── test                         # 测试代码
│   ├── fuzztest                 # Fuzz 测试
│   ├── unittest                 # 单元测试
│   ├── systemtest               # 系统测试
│   └── utils                    # 测试工具
└── utils                        # 工具和通用层

配置说明

thermal_service_config.xml 配置示例:

<?xml version="1.0" encoding="UTF-8"?>
<thermal version="0.99" product="ipx">
    <base>
        <item tag="temperature_query_enum" value="soc,battery,shell,ambient"/>
    </base>
    <level>
        <sensor_cluster name="warm_base" sensor="shell">
            <item level="1" threshold="35000" threshold_clr="33000"/>
            <item level="2" threshold="37000" threshold_clr="35000"/>
            <item level="3" threshold="40000" threshold_clr="38000"/>
        </sensor_cluster>
        <sensor_cluster name="warm_safe" sensor="battery,pa">
            <item level="1" threshold="48000,60000" threshold_clr="45000,55000"/>
        </sensor_cluster>
    </level>
    <state>
        <item name="screen"/>
        <item name="charge"/>
    </state>
    <action>
        <item name="cpu"/>
        <item name="current"/>
        <item name="shut_down" param="100"/>
        <item name="thermal_level" strict="1"/>
    </action>
    <policy>
        <config name="warm_base" level="1">
            <cpu screen="1">2800000</cpu>
            <cpu screen="0">2400000</cpu>
            <current charge="1">1500</current>
            <thermal_level>3</thermal_level>
        </config>
        <config name="warm_base" level="2">
            <cpu screen="1">2200000</cpu>
            <cpu screen="0">1800000</cpu>
            <current charge="1">1200</current>
            <thermal_level>4</thermal_level>
        </config>
        <config name="warm_base" level="3">
            <cpu screen="1">1600000</cpu>
            <cpu screen="0">1200000</cpu>
            <current charge="1">1000</current>
            <thermal_level>5</thermal_level>
        </config>
        <config name="warm_safe" level="1">
            <shut_down>1</shut_down>
        </config>
    </policy>
</thermal>
thermal                          # 根目录,version为版本号;product为产品名
├── base                         # base目录,配置基本参数
│   └── item                     # item目录,tag为配置标签,value为配置值
├── level                        # level目录,配置温度档位信息
│   └── sensor_cluster           # sensor_cluster目录,表示一个sensor集合,name为集合名,sensor为传感器名
│       └── item                 # item目录,配置具体档位信息,level为等级,threshold为触发温度,xxx_clr为回退温度
├── state                        # state目录,配置状态机,name为状态机名称
├── action                       # action目录,配置动作,name为加载动作名称,param为加载参数,strict为仲裁方案
└── policy                       # policy目录,配置档位对应的动作
    └── config                   # config目录,配置对应档位的动作,name对应sensor_cluster的name,level对应其item中的level
        └── <action_name>        # 标签值对应动作的动作值,属性中可以配置state条件及对应的值

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