311 lines
5.3 KiB
HTML
311 lines
5.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
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<HTML
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><HEAD
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><TITLE
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>Using ACPI</TITLE
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><META
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NAME="GENERATOR"
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CONTENT="Modular DocBook HTML Stylesheet Version 1.7"><LINK
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REL="HOME"
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TITLE="ACPI: Advanced Configuration and Power Interface"
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HREF="index.html"><LINK
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REL="PREVIOUS"
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TITLE="Switching from APM to ACPI"
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HREF="daemons.html"><LINK
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REL="NEXT"
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TITLE="References and Resources"
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HREF="resources.html"></HEAD
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><BODY
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CLASS="sect1"
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BGCOLOR="#FFFFFF"
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TEXT="#000000"
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LINK="#0000FF"
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VLINK="#840084"
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ALINK="#0000FF"
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><DIV
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CLASS="NAVHEADER"
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><TABLE
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SUMMARY="Header navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TH
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COLSPAN="3"
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ALIGN="center"
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>ACPI: Advanced Configuration and Power Interface</TH
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></TR
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><TR
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><TD
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WIDTH="10%"
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ALIGN="left"
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VALIGN="bottom"
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><A
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HREF="daemons.html"
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ACCESSKEY="P"
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>Prev</A
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></TD
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><TD
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WIDTH="80%"
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ALIGN="center"
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VALIGN="bottom"
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></TD
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><TD
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WIDTH="10%"
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ALIGN="right"
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VALIGN="bottom"
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><A
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HREF="resources.html"
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ACCESSKEY="N"
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>Next</A
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></TD
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></TR
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></TABLE
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><HR
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ALIGN="LEFT"
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WIDTH="100%"></DIV
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><DIV
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CLASS="sect1"
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><H1
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CLASS="sect1"
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><A
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NAME="usingacpi"
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></A
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>16. Using ACPI</H1
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><P
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>There are a few different applications/daemons you will want to install
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on your system: <SPAN
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CLASS="application"
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>acpid</SPAN
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> (the daemon that will control your hardware states), and <SPAN
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CLASS="application"
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>acpi</SPAN
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> (the interface to monitor events and states) are the base install. The
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<SPAN
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CLASS="application"
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>acpi</SPAN
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> Debian package is only available in testing and is unstable. If
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you're running stable you won't be able to install it without playing
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around with apt and your <TT
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CLASS="filename"
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>list.sources</TT
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> file. You can probably
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also compile from source. If you do get <SPAN
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CLASS="application"
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>acpi</SPAN
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>
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installed you can use it to monitor your system like this: <B
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CLASS="command"
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>acpi
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<TT
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CLASS="option"
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>-V</TT
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></B
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>. The output will tell you about your
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system. Mine looks like this:</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="screen"
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> Thermal 1: ok, 47.1 degrees C
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Thermal 2: ok, 45.1 degrees C
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AC Adapter 1: off-line <-- running off battery
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AC Adapter 1: on-line <-- running off AC power
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><P
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>Unfortunately, the <TT
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CLASS="option"
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>-V</TT
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> <SPAN
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CLASS="QUOTE"
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>"full version"</SPAN
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> doesn't work for me.
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Fortunately I can still look in each of the acpi files individually for
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information about my system. Check in the <TT
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CLASS="filename"
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>/proc/acpi</TT
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> directory
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for various things of importance. If I want to check my battery I read the
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following file like this: <B
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CLASS="command"
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>cat
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<TT
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CLASS="filename"
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>/proc/acpi/battery/BAT0/state</TT
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></B
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>. The output is as follows:</P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="screen"
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> present: yes
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capacity state: ok
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charging state: discharging <-- running off battery
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present rate: unknown
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remaining capacity: 3920 mAh <-- watch this number
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present voltage: 14800 mV
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="screen"
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> present: yes
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capacity state: ok
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charging state: discharging
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present rate: unknown
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remaining capacity: 3840 mAh <-- capacity getting smaller
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present voltage: 14800 mV
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="screen"
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> present: yes
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capacity state: ok
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charging state: charging <-- AC adapter plugged in
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present rate: unknown
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remaining capacity: 3840 mAh
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present voltage: 14800 mV
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><P
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>If I want information about my battery in general I check it out like
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this: <B
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CLASS="command"
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>cat <TT
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CLASS="filename"
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>/proc/acpi/battery/BAT0/info</TT
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></B
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></P
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><TABLE
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BORDER="0"
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BGCOLOR="#E0E0E0"
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WIDTH="100%"
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><TR
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><TD
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><FONT
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COLOR="#000000"
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><PRE
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CLASS="screen"
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> present: yes
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design capacity: 3920 mAh
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last full capacity: 3920 mAh
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battery technology: rechargeable
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design voltage: 14800 mV
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design capacity warning: 30 mAh
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design capacity low: 20 mAh
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capacity granularity 1: 10 mAh
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capacity granularity 2: 3470 mAh
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model number: Bat0
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serial number:
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battery type: Lion
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OEM info: Acer
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</PRE
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></FONT
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></TD
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></TR
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></TABLE
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><P
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>You're smart people. You can probably figure it out from here. :)</P
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></DIV
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><DIV
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CLASS="NAVFOOTER"
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><HR
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ALIGN="LEFT"
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WIDTH="100%"><TABLE
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SUMMARY="Footer navigation table"
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WIDTH="100%"
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BORDER="0"
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CELLPADDING="0"
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CELLSPACING="0"
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><TR
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><TD
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WIDTH="33%"
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ALIGN="left"
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VALIGN="top"
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><A
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HREF="daemons.html"
|
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ACCESSKEY="P"
|
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>Prev</A
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></TD
|
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><TD
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WIDTH="34%"
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ALIGN="center"
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VALIGN="top"
|
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><A
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HREF="index.html"
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ACCESSKEY="H"
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>Home</A
|
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></TD
|
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><TD
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WIDTH="33%"
|
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ALIGN="right"
|
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VALIGN="top"
|
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><A
|
|
HREF="resources.html"
|
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ACCESSKEY="N"
|
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>Next</A
|
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></TD
|
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></TR
|
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><TR
|
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><TD
|
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WIDTH="33%"
|
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ALIGN="left"
|
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VALIGN="top"
|
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>Switching from APM to ACPI</TD
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><TD
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WIDTH="34%"
|
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ALIGN="center"
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VALIGN="top"
|
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> </TD
|
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><TD
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WIDTH="33%"
|
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ALIGN="right"
|
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VALIGN="top"
|
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>References and Resources</TD
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></TR
|
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></TABLE
|
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></DIV
|
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></BODY
|
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></HTML
|
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> |