recipes/pandora-system/pandora-scripts/op_power.sh

   1 #!/bin/bash
   2
   3 . /usr/pandora/scripts/op_paths.sh
   4
   5 # XXX: better use lockfile (or something), but it's not in current firmware
   6 test -e /tmp/op_power.lock && exit 2
   7 touch /tmp/op_power.lock
   8
   9 debug(){
  10         return 1 # 0 when debugging, 1 when not
  11 }
  12
  13 test -e $(grep /etc/passwd -e $(ps u -C xfce4-session | tail -n1 | awk '{print $1}')| cut -f 6 -d ":")/.lidconfig && lidconfig=$(cat $(grep /etc/passwd -e $(ps u -C xfce4-session | tail -n1 | awk '{print $1}')| cut -f 6 -d ":")/.lidconfig) # read lid conf. file if it exists
  14
  15 #powerbuttonconfig=$(cat $(grep /etc/passwd -e $(ps u -C xfce4-session | tail -n1 | awk '{print $1}')| cut -f 6 -d ":")/.powerbuttonconfig)
  16
  17 if [ -e /tmp/powerstate ]; then
  18         powerstate="$(cat /tmp/powerstate)"
  19 else
  20         powerstate="on"
  21 fi
  22
  23 debug && echo "powerstate=$powerstate"
  24
  25 lowPowerOn(){ #switch from normal to lowpower mode
  26         cat /proc/pandora/cpu_mhz_max > /tmp/oldspeed
  27         cat $SYSFS_BACKLIGHT_BRIGHTNESS > /tmp/oldbright
  28         pidlist=$(pstree -lpA | grep pnd_run.sh | sed -ne 's/.*(\([0-9]\+\))/\1/p')
  29         for PID in $pidlist
  30         do
  31                 kill -19 $PID #send SIGSTOP
  32         done
  33         test -f /tmp/hcistate && rm /tmp/hcistate
  34         hcistate=$(hciconfig hci0 | grep DOWN)
  35         if [ $hcistate ]; then
  36                 echo "down" > /tmp/hcistate
  37         else
  38                 hciconfig hci0 down
  39         fi
  40         test -f /tmp/wlstate && rm /tmp/wlstate
  41         wlstate=$(lsmod | grep -m1 wl1251)
  42         if [ -z "$wlstate" ]; then
  43                 echo "down" > /tmp/wlstate
  44         else
  45                 ifconfig wlan0 down
  46                 rmmod board_omap3pandora_wifi wl1251_sdio wl1251
  47         fi
  48         echo 0 > $SYSFS_BACKLIGHT_BRIGHTNESS
  49         echo 1 > /sys/devices/platform/omapfb/graphics/fb0/blank
  50         echo 16 > /sys/class/leds/pandora\:\:power/brightness #dim power LED
  51         /usr/pandora/scripts/op_cpuspeed.sh 125
  52 }
  53
  54 lowPowerOff(){ # switch from lowpower to normal mode
  55         oldspeed=$(cat /tmp/oldspeed)
  56         /usr/pandora/scripts/op_cpuspeed.sh $oldspeed
  57         oldbright=$(cat /tmp/oldbright)
  58         maxbright=$(cat $SYSFS_BACKLIGHT/max_brightness)
  59         echo 0 > /sys/devices/platform/omapfb/graphics/fb0/blank
  60         sleep 0.1s # looks cleaner, could flicker without
  61         oldspeed=$(cat /tmp/oldspeed)
  62         if [ $oldbright -ge 3 ] && [ $oldbright -le $maxbright ]; then
  63                 /usr/pandora/scripts/op_bright.sh $oldbright
  64         else
  65                 /usr/pandora/scripts/op_bright.sh $maxbright
  66         fi
  67         hcistate=$(cat /tmp/hcistate)
  68         if [ ! $hcistate ]; then
  69                 hciconfig hci0 up pscan
  70         fi
  71         wlstate=$(cat /tmp/wlstate)
  72         if [ -z "$wlstate" ]; then
  73                 /etc/init.d/wl1251-init start
  74         fi
  75         pidlist=$(pstree -lpA | grep pnd_run.sh | sed -ne 's/.*(\([0-9]\+\))/\1/p')
  76         for PID in $pidlist
  77         do
  78                 kill -18 $PID #send SIGCONT
  79         done
  80         echo 255 > /sys/class/leds/pandora\:\:power/brightness #power LED bright
  81 }
  82
  83 shutdown(){ # warns the user and shuts the pandora down
  84         xfceuser=$(ps u -C xfce4-session | tail -n1 | awk '{print $1}')
  85         time=5
  86         countdown () {
  87                 for i in $(seq $time); do
  88                         precentage=$(echo $i $time | awk '{ printf("%f\n", $1/$2*100) }')
  89                         echo $precentage
  90                         echo "# Shutdown in $(($time-$i))"
  91                         sleep 1
  92                 done
  93         }
  94         countdown | su -c 'DISPLAY=:0.0 zenity --progress --auto-close --text "Shutdown in X" --title "Shutdown"' $xfceuser
  95         if [ $? -eq 0 ]; then
  96         /sbin/shutdown -h now
  97         else
  98         su -c 'DISPLAY=:0.0 zenity --error --text "Shutdown aborted!"' $xfceuser
  99         fi
 100 }
 101
 102 displayOn(){ # turns the display on
 103         #echo 0 > /sys/devices/platform/omapfb/graphics/fb0/blank
 104         #sleep 0.1s # looks cleaner, could flicker without
 105         maxbright=$(cat $SYSFS_BACKLIGHT/max_brightness)
 106         oldbright=0
 107         if [ -f /tmp/oldbright ]; then
 108                 oldbright=$(cat /tmp/oldbright)
 109         fi
 110         if [ $oldbright -eq 0 ]; then
 111                 oldbright=$(cat /etc/pandora/conf/brightness.state)
 112         fi
 113         if [ $oldbright -ge 3 ] && [ $oldbright -le $maxbright ]; then
 114                 /usr/pandora/scripts/op_bright.sh $oldbright
 115         else
 116                 /usr/pandora/scripts/op_bright.sh $maxbright
 117         fi
 118 }
 119
 120 displayOff(){ # turns the display off
 121         brightness=$(cat $SYSFS_BACKLIGHT_BRIGHTNESS)
 122         if [ $brightness -gt 0 ]; then
 123                 echo $brightness > /tmp/oldbright
 124         fi
 125         echo 0 > $SYSFS_BACKLIGHT_BRIGHTNESS
 126         #echo 1 > /sys/devices/platform/omapfb/graphics/fb0/blank
 127 }
 128
 129 if [[ "$2" == "" ]]; then
 130         if [[ "$1" -le 2 ]]; then # power button was pressed 1-2sec, "suspend"
 131                 if [[ "$powerstate" == "buttonlowpower" ]]; then
 132                         (debug && echo "lowPowerOff") || lowPowerOff
 133                         powerstate="on"
 134                 elif [[ "$powerstate" == "on" ]]; then
 135                         (debug && echo "lowPowerOn") || lowPowerOn
 136                         powerstate="buttonlowpower"
 137                 fi
 138         elif [[ "$1" -ge 3 ]]; then # power button was pressed 3 sec or longer, shutdown
 139                 if [[ "$powerstate" == "on" ]]; then
 140                         (debug && echo "shutdown") || shutdown
 141                 fi
 142         fi
 143 elif [[ "$2" == "lid" ]]; then
 144         if [[ "$1" == 0 ]]; then # lid was opened
 145                 if [[ "$powerstate" == lid* ]]; then
 146                         case "$lidconfig" in
 147                                 "lowpower")
 148                                         (debug && echo "lowPowerOff") || lowPowerOff
 149                                         powerstate="on"
 150                                 ;;
 151                                 *)
 152                                         (debug && echo "displayOn") || displayOn
 153                                         powerstate="on"
 154                                 ;;
 155                         esac
 156                 fi
 157         elif [[ "$1" == 1 ]]; then # lid was closed
 158                 if [[ "$powerstate" == "on" ]]; then
 159                         case "$lidconfig" in
 160                                 "shutdown")
 161                                         (debug && echo "shutdown") || shutdown
 162                                 ;;
 163                                 "lowpower")
 164                                         (debug && echo "lowPowerOn") || lowPowerOn
 165                                         powerstate="lidlowpower"
 166                                 ;;
 167                                 *)
 168                                         (debug && echo "displayOff") || displayOff
 169                                         powerstate="liddisplayoff"
 170                                 ;;
 171                         esac
 172                 fi
 173         fi
 174  fi
 175 debug && echo "powerstate=$powerstate"
 176 echo "$powerstate" > /tmp/powerstate
 177
 178 rm -f /tmp/op_power.lock