Shulou(Shulou.com)06/02 Report--

System version: RK3288 android 5.1 (slightly different from referenced variables and macros)

The device does not have a battery. During the Fota upgrade, it is suggested that the battery should not be less than 30%, with an external power supply, but the read power is 0%, so you can only manually set the battery charge.

$adb shell dumpsys battery / / query battery information through adb

Current Battery Service state:

AC powered: false

USB powered: false

Wireless powered: false

Status: 1

Health: 1

Present: true

Level: 0 / / Battery charge

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")

+ / *-the battery charge always shows 100% Mustang /

+ mBatteryFixedCapacity = FAKE_BATTERY_CAPACITY; / / Power level

+ mBatteryFixedTemperature = FAKE_BATTERY_TEMPERATURE; / / temperature 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 / / Battery charge

Scale: 100

Voltage: 0

Temperature: 424

Technology:

Welcome to subscribe "Shulou Technology Information " to get latest news, interesting things and hot topics in the IT industry, and controls the hottest and latest Internet news, technology news and IT industry trends.