====== APM (Advanced Power Management) plugin ======

This plugin provides an interface to the /proc/apm file.

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===== Functions =====

|apm(key)|parse /proc/apm and return the value of <key>|

The following keys are valid:

|driver_version|Linux driver version|
|bios_version|APM BIOS Version. Usually 1.0, 1.1 or 1.2.|
|bios_flags|APM flags from APM Installation Check|
|line_status|AC line status: 0=Off-line, 1=On-line, 2=On backup power, 255=Unknown|
|battery_status|Battery status: 0=High, 1=Low, 2=Critical, 3=Charging, 4=Selected battery not present, 255=unknown|
|battery_flag|Battery flag|
|battery_percent|Remaining battery life (percentage of charge)|
|battery_remaining|Remaining battery life (time units)|
|time_units|time units: min = minutes; sec = seconds|


see the kernel source ///usr/src/linux/arch/i386/kernel/apm.c// for details.

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