dotfiles/conky/batteryinfo.sh

   1 #!/bin/dash
   2 #
   3 # Stefan Huber <shuber2@gmail.com>
   4 # Display battery info for conky
   5
   6
   7
   8 if [ -e /sys/devices/platform/smapi/ ]
   9 then
  10         for b in `find /sys/devices/platform/smapi/ -type d -name BAT?`
  11         do
  12                 if [ `cat $b/installed` = "1"  ]
  13                 then
  14                         name=${b##*/}
  15                         remcap=`cat $b/remaining_capacity`
  16                         remcapper=`cat $b/remaining_percent`
  17                         ratenow=`cat $b/power_now`
  18                         rateavg=`cat $b/power_avg`
  19                         remtime=`cat $b/remaining_running_time`
  20                         tempmilli=`cat $b/temperature`
  21                         temp=`echo "$tempmilli/1000" | bc`
  22
  23                         if [ "$remtime" = "not_discharging" ]; then
  24                                 remtime=`cat $b/remaining_charging_time`
  25                         fi
  26                         if [ "$remtime" = "not_charging" ]; then
  27                                 remtime="--"
  28                         fi
  29
  30                         echo "$name rate:  $ratenow mW [~ $rateavg mW]"
  31                         echo "rem:   $remcap mWh [$remcapper%, $remtime min]"
  32                         #echo "$name temp:  $temp°C"
  33                 fi
  34         done
  35 else
  36         for b in `find /proc/acpi/battery/ -type d -name BAT?`
  37         do
  38                 if [ `grep -c -E "^present: *yes" $b/state` = "1" ]
  39                 then
  40                         name=${b##*/}
  41                         fullcap=`grep "last full capacity" $b/info | awk ' { print $4 } '`
  42                         remcap=`grep "remaining capacity" $b/state | awk ' { print $3 } '`
  43                         rate=`grep "present rate" $b/state | awk ' { print $3 } '`
  44
  45                         if [ $rate = "0" ]; then
  46                                 remtime="--"
  47                         else
  48                                 remtime=`echo "$remcap*60/$rate" | bc`
  49                         fi
  50
  51                         remcapper=`echo "$remcap*100/$fullcap" | bc `
  52
  53                         echo "$name rate:  $rate mW"
  54                         echo "$name rem.:  $remcap mWh [$remcapper%, $remtime min]"
  55                 fi
  56         done
  57 fi
  58
  59