詳見 http://www.thinkwiki.org/wiki/Tp_smapi

安裝tp-smapi:

# aptitude install tp-smapi-dkms

# modprobe tp_smapi

更改充電閾值：

設置開始充電閾值，如從“60%”開始充電：

# echo 60 >

/sys/devices/platform/smapi/BAT0/start_charge_thresh

設置停止充電閾值，如到“100%”停止充電：

# echo 100 >

/sys/devices/platform/smapi/BAT0/stop_charge_thresh

查看充電閾值：

# cat /sys/devices/platform/smapi/BAT0/*_charge_thresh

其他：

To prevent charging for 17 minutes (regardless of

thresholds):

# echo 17 >

/sys/devices/platform/smapi/BAT0/inhibit_charge_minutes

To cancel charging preventation:

# echo 0 >

/sys/devices/platform/smapi/BAT0/inhibit_charge_minutes

To force battery discharging (even if connected to AC):

# echo 1 >

/sys/devices/platform/smapi/BAT0/force_discharge

To cancel forced discharge:

# echo 0 >

/sys/devices/platform/smapi/BAT0/force_discharge

讓設置在啟動時生效(只用同一塊電池)：

It is not necessary to create your own init.d script or modify

/etc/rc.local - you just need the package sysfsutils:

# apt-get install sysfsutils

# sudo gedit /etc/sysfs.conf

把下面的放在文件 /etc/sysfs.conf后面:

# cat >> /etc/sysfs.conf

<< EOF

# For a LiIon battery in a Thinkpad

devices/platform/smapi/BAT0/start_charge_thresh = 50

devices/platform/smapi/BAT0/stop_charge_thresh = 80

EOF

The init script supplied by sysfsutils will load these

settings on each boot.

其他電池狀態信息：

To view extended battery status such as charging state,

voltage, current, capacity, cycle count and model

information:

# cat /sys/devices/platform/smapi/BAT0/installed

# cat /sys/devices/platform/smapi/BAT0/state

#

idle/charging/discharging

# cat /sys/devices/platform/smapi/BAT0/cycle_count

# cat /sys/devices/platform/smapi/BAT0/current_now #

instantaneous current

# cat /sys/devices/platform/smapi/BAT0/current_avg # last

minute average

# cat /sys/devices/platform/smapi/BAT0/power_now

# instantaneous power

# cat /sys/devices/platform/smapi/BAT0/power_avg

# last minute average

# cat

/sys/devices/platform/smapi/BAT0/last_full_capacity

# cat /sys/devices/platform/smapi/BAT0/remaining_percent

# cat

/sys/devices/platform/smapi/BAT0/remaining_running_time

# cat

/sys/devices/platform/smapi/BAT0/remaining_charging_time

# cat

/sys/devices/platform/smapi/BAT0/remaining_capacity

# cat /sys/devices/platform/smapi/BAT0/design_capacity

# cat /sys/devices/platform/smapi/BAT0/voltage

# cat /sys/devices/platform/smapi/BAT0/design_voltage

# cat /sys/devices/platform/smapi/BAT0/manufacturer

# cat /sys/devices/platform/smapi/BAT0/model

# cat /sys/devices/platform/smapi/BAT0/barcoding

# cat /sys/devices/platform/smapi/BAT0/chemistry

# cat /sys/devices/platform/smapi/BAT0/serial

# cat /sys/devices/platform/smapi/BAT0/manufacture_date

# cat /sys/devices/platform/smapi/BAT0/first_use_date

# cat /sys/devices/platform/smapi/BAT0/temperature # in

milli-Celsius

# cat /sys/devices/platform/smapi/ac_connected

The raw status data is also available, including some fields

not listed above (in case you can figure them out):

# cat /sys/devices/platform/smapi/BAT0/dump

總結

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