testdata/scripts/op_power.sh

   1 #!/bin/bash
   2 #actions done when the power button is pressed
   3 #only argument is the time the button was pressed in  seconds
   4
   5 if [ "$1" -le "2" ]; then # button was pressed 1-2sec, "suspend"
   6   if [ -e /tmp/powerstate ]; then
   7     powerstate=$(cat /tmp/powerstate)
   8   else
   9     powerstate=0
  10   fi
  11   if [ $powerstate -eq "1" ]; then
  12     #in lowpower mode
  13     if [ $oldspeed -gt 14 ] && [ $oldspeed -le 900 ]; then
  14      echo $oldspeed > /proc/pandora/cpu_mhz_max
  15     else
  16       echo 500 > /proc/pandora/cpu_mhz_max
  17     fi
  18     echo 0 > /tmp/powerstate
  19     oldbright=$(cat /tmp/oldbright)
  20     maxbright=$(cat /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/max_brightness)
  21     echo 0 > /sys/devices/platform/omapfb/graphics/fb0/blank
  22     sleep 0.1s # looks cleaner, could flicker without
  23     oldspeed=$(cat /tmp/oldspeed)
  24     if [ $oldbright -ge 3 ] && [ $oldbright -le $maxbright ]; then
  25       /usr/pandora/scripts/op_bright.sh $oldbright
  26     else
  27       /usr/pandora/scripts/op_bright.sh $maxbright
  28     fi
  29     hcistate=$(cat /tmp/hcistate)
  30     if [ ! $hcistate ]; then
  31       hciconfig hci0 up
  32     fi
  33     wlstate=$(cat /tmp/wlstate)
  34     if [ ! $wlstate ]; then
  35       /etc/init.d/wl1251-init start
  36     fi
  37     pidlist=$(pstree -lpA | grep pnd_run.sh | sed -ne 's/.*(\([0-9]\+\))/\1/p')
  38     for PID in $pidlist
  39     do
  40       kill -18 $PID #send SIGCONT
  41     done
  42     echo 255 > /sys/class/leds/pandora\:\:power/brightness #power LED bright
  43     rm /tmp/powerstate
  44   else
  45     #in normal mode
  46     echo 1 > /tmp/powerstate
  47     cat /proc/pandora/cpu_mhz_max > /tmp/oldspeed
  48     cat /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/brightness > /tmp/oldbright
  49     pidlist=$(pstree -lpA | grep pnd_run.sh | sed -ne 's/.*(\([0-9]\+\))/\1/p')
  50     for PID in $pidlist
  51     do
  52       kill -19 $PID #send SIGSTOP
  53     done
  54     rm /tmp/hcistate
  55     hcistate=$(hciconfig hci0 | grep DOWN)
  56     if [ $hcistate ]; then
  57         echo "down" > /tmp/hcistate
  58     else
  59         hciconfig hci0 down
  60     fi
  61     rm /tmp/wlstate
  62     wlstate=$(lsmod | grep -m1 wl1251)
  63     if [ ! $wlstate ]; then
  64         echo "down" > /tmp/wlstate
  65     else
  66             /etc/init.d/wl1251-init stop
  67     fi
  68     echo 0 > /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/brightness
  69     echo 1 > /sys/devices/platform/omapfb/graphics/fb0/blank
  70     echo 16 > /sys/class/leds/pandora\:\:power/brightness #dim power LED
  71     echo 14 > /proc/pandora/cpu_mhz_max
  72   fi
  73 elif [ "$1" -ge "3" ]; then #button was pressed 3 sec or longer, shutdown
  74   xfceuser=$(ps u -C xfce4-session | tail -n1 | awk '{print $1}')
  75   time=5
  76   countdown () {
  77     for i in $(seq $time); do
  78       precentage=$(echo $i $time | awk '{ printf("%f\n", $1/$2*100) }')
  79       echo $precentage
  80       echo "# Shutdown in $(($time-$i))"
  81       sleep 1
  82     done
  83   }
  84   countdown  | su -c 'DISPLAY=:0.0  zenity --progress --auto-close --text "Shutdown in X" --title "Shutdown"' $xfceuser
  85   if [ $? -eq 0 ]; then
  86   shutdown -h now
  87   else
  88   su -c 'DISPLAY=:0.0  zenity --error --text "Shutdown aborted!"' $xfceuser
  89   fi
  90 fi
  91