recipes/pandora-system/pandora-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 [ $powerstate -ne 0 ]; then
  12     #switch from lowpower to normal mode
  13     oldspeed=$(cat /tmp/oldspeed)
  14     /usr/pandora/scripts/op_cpuspeed.sh $oldspeed
  15     echo 0 > /tmp/powerstate
  16     oldbright=$(cat /tmp/oldbright)
  17     maxbright=$(cat /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/max_brightness)
  18     echo 0 > /sys/devices/platform/omapfb/graphics/fb0/blank
  19     sleep 0.1s # looks cleaner, could flicker without
  20     oldspeed=$(cat /tmp/oldspeed)
  21     if [ $oldbright -ge 3 ] && [ $oldbright -le $maxbright ]; then
  22       /usr/pandora/scripts/op_bright.sh $oldbright
  23     else
  24       /usr/pandora/scripts/op_bright.sh $maxbright
  25     fi
  26     hcistate=$(cat /tmp/hcistate)
  27     if [ ! $hcistate ]; then
  28       hciconfig hci0 up pscan
  29     fi
  30     wlstate=$(cat /tmp/wlstate)
  31     if [ ! $wlstate ]; then
  32       /etc/init.d/wl1251-init start
  33     fi
  34     pidlist=$(pstree -lpA | grep pnd_run.sh | sed -ne 's/.*(\([0-9]\+\))/\1/p')
  35     for PID in $pidlist
  36     do
  37       kill -18 $PID #send SIGCONT
  38     done
  39     echo 255 > /sys/class/leds/pandora\:\:power/brightness #power LED bright
  40     rm /tmp/powerstate
  41   else
  42     #switch from normal to lowpower mode
  43     echo 1 > /tmp/powerstate
  44     cat /proc/pandora/cpu_mhz_max > /tmp/oldspeed
  45     cat /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/brightness > /tmp/oldbright
  46     pidlist=$(pstree -lpA | grep pnd_run.sh | sed -ne 's/.*(\([0-9]\+\))/\1/p')
  47     for PID in $pidlist
  48     do
  49       kill -19 $PID #send SIGSTOP
  50     done
  51     rm /tmp/hcistate
  52     hcistate=$(hciconfig hci0 | grep DOWN)
  53     if [ $hcistate ]; then
  54         echo "down" > /tmp/hcistate
  55     else
  56         hciconfig hci0 down
  57     fi
  58     rm /tmp/wlstate
  59     wlstate=$(lsmod | grep -m1 wl1251)
  60     if [ ! $wlstate ]; then
  61         echo "down" > /tmp/wlstate
  62     else
  63             ifconfig wlan0 down
  64             rmmod board_omap3pandora_wifi wl1251_sdio wl1251
  65     fi
  66     echo 0 > /sys/devices/platform/twl4030-pwm0-bl/backlight/twl4030-pwm0-bl/brightness
  67     echo 1 > /sys/devices/platform/omapfb/graphics/fb0/blank
  68     echo 16 > /sys/class/leds/pandora\:\:power/brightness #dim power LED
  69     /usr/pandora/scripts/op_cpuspeed.sh 125
  70   fi
  71 elif [ "$1" -ge "3" ]; then #button was pressed 3 sec or longer, shutdown
  72   xfceuser=$(ps u -C xfce4-session | tail -n1 | awk '{print $1}')
  73   time=5
  74   countdown () {
  75     for i in $(seq $time); do
  76       precentage=$(echo $i $time | awk '{ printf("%f\n", $1/$2*100) }')
  77       echo $precentage
  78       echo "# Shutdown in $(($time-$i))"
  79       sleep 1
  80     done
  81   }
  82   countdown  | su -c 'DISPLAY=:0.0  zenity --progress --auto-close --text "Shutdown in X" --title "Shutdown"' $xfceuser
  83   if [ $? -eq 0 ]; then
  84   shutdown -h now
  85   else
  86   su -c 'DISPLAY=:0.0  zenity --error --text "Shutdown aborted!"' $xfceuser
  87   fi
  88 fi
  89