mChargerNames[i].string()); switch(readPowerSupplyType(path)) { case ANDROID_POWER_SUPPLY_TYPE_AC: props.chargerAcOnline = true; break; case ANDROID_POWER_SUPPLY_TYPE_USB: props.chargerUsbOnline = true; break; case ANDROID_POWER_SUPPLY_TYPE_WIRELESS: props.chargerWirelessOnline = true; brea...
#define AC_ONLINE_PATH "/sys/class/power_supply/ac/online" AC 电源连接状态 #define USB_ONLINE_PATH "/sys/class/power_supply/usb/online" USB电源连接状态 #define BATTERY_STATUS_PATH "/sys/class/power_supply/battery/status"充电状态 #define BATTERY_HEALTH_PATH "/sys/class/power_supply/battery/...
path.appendFormat("%s/%s/type", POWER_SUPPLY_SYSFS_PATH, name); switch(readPowerSupplyType(path)) { case ANDROID_POWER_SUPPLY_TYPE_AC: case ANDROID_POWER_SUPPLY_TYPE_USB: case ANDROID_POWER_SUPPLY_TYPE_WIRELESS: path.clear(); path.appendFormat("%s/%s/online", POWER_SUPPLY_SYSFS_PATH, nam...
Power Supply驱动程序头文件kernel/include/linux/power_supply.h,注册和注销驱动程序的函数如下: intpower_supply_register(struct device *parent,struct power_supply *psy); voidpower_supply_unregister(struct power_supply *psy); structpower_supply { constchar *name; /*设备名称*/ enumpower_supply_type t...
#define AC_ONLINE_PATH"/sys/class/power_supply/ac/online" AC电源连接状态 #defineUSB_ONLINE_PATH "/sys/class/power_supply/usb/online"USB电源连接状 #defineBATTERY_STATUS_PATH "/sys/class/power_supply/battery/status"充电状 #define BATTERY_HEALTH_PATH"/sys/class/power_supply/battery/health"电池...
power supply leds,基于linux led class,提供PSY设备状态指示的通用实现。位于drivers/power/power_suppply_leds.c中。 根据以上的结构并在内核成功注册之后,会在sysfs系统中注册以下节点ac,battery,usb,如下图所示: 进入battery路径下可以发现很多文件,如下图所示: ...
充电动画的启动逻辑:POWER_SUPPLY_TYPE_BATTERY的power supply上报充电状态(CHARGE_STATE_NOT_CHARGING,CHARGE_STATE_FASTCHARGE) 代码语言:javascript 复制 bq->charge_state=CHARGE_STATE_FASTCHARGE;power_supply_changed(&bq->batt_psy); 利用dumpsys分析当前battery 状态 ...
Warranty:1year;Certificate:CE RoHS FCC;Power Supply Output:5V 4A;Power supply type:PoE Input;Communication Mode:Full-Duplex & Half-Duplex;Protocol:IEEE802.3af/at;Transfer Rate:10/100/1000Mbps;Type:Ethernet Module;Model Number:EC-PD0522USB-C;Country of Or
kernel层:kernel/power实现电源管理框架。 drivers/power,设备特定的电源管理框架。 电池管理架构 Android系统对电池的管理驱动继承了linux的power supply class。在用户层在BatteryService.java中通过广播的方式将电池相关的属性报给app使用,并且注册了uevent监听电池状态变化,以实时获取电池状态。
the screen resolution and viewing angles are very sharp and the phones battery power is amazing. I am also very impressed with the single firing speaker at the bottom of the device. A lot of companies tend to cheap out on their speakers when it comes to their more affordable devices. Fortu...