RK3288 手动设置电池电量

系统版本：RK3288 Android 5.1 （与参考的变量和宏有点区别）

设备没有电池，在进行Fota升级时，提示电量不能低于30%，外接电源，可是读出来的电量是0%，无法进行升级，只能手动设置电池电量。

$ adb shell dumpsys battery　　//通过adb查询电池信息
Current Battery Service state:
　　AC powered: false
　　USB powered: false
　　Wireless powered: false
　　status: 1
　　health: 1
　　present: true
　　level: 0　　//电池电量
　　scale: 100
　　voltage: 0
　　temperature: 0
　　technology:

diff --git a/system/core/healthd/BatteryMonitor.cpp b/system/core/healthd/BatteryMonitor.cpp

old mode 100644

new mode 100755

index d317b28..6b37dee

--- a/system/core/healthd/BatteryMonitor.cpp

+++ b/system/core/healthd/BatteryMonitor.cpp

@@ -35,7 +35,7 @@

 #define POWER_SUPPLY_SUBSYSTEM "power_supply"

 #define POWER_SUPPLY_SYSFS_PATH "/sys/class/" POWER_SUPPLY_SUBSYSTEM

-#define FAKE_BATTERY_CAPACITY 42

+#define FAKE_BATTERY_CAPACITY 100

 #define FAKE_BATTERY_TEMPERATURE 424

 namespace android {

@@ -513,8 +513,14 @@ void BatteryMonitor::init(struct healthd_config *hc) {

         closedir(dir);

     }

-    if (!mChargerNames.size())

+    if (!mChargerNames.size())  {

         KLOG_ERROR(LOG_TAG, "No charger supplies found\n");

+              

+               mBatteryFixedCapacity = FAKE_BATTERY_CAPACITY;    //电量 level

+               mBatteryFixedTemperature = FAKE_BATTERY_TEMPERATURE;    //温度 temperature

+               mBatteryDevicePresent = true;

+              

+       }

     if (!mBatteryDevicePresent) {

         KLOG_WARNING(LOG_TAG, "No battery devices found\n");

         hc->periodic_chores_interval_fast = -1;

$ adb shell dumpsys battery
Current Battery Service state:
　　AC powered: false
　　USB powered: false
　　Wireless powered: false
　　status: 1
　　health: 1
　　present: true
　　level: 100　　//电池电量
　　scale: 100
　　voltage: 0
　　temperature: 424
　　technology: