scripts/bt-dev-end.sh

   1 #!/bin/sh
   2 PATH=/bin:/usr/bin:/sbin:/usr/sbin
   3
   4 #
   5 # Script for stopping Broadcom UART Bluetooth stack
   6 #
   7
   8 PGREP="/usr/bin/pgrep"
   9
  10 # Device down
  11 /usr/bin/hciconfig hci0 down
  12
  13 # Turn off Bluetooth Chip
  14 /usr/sbin/rfkill block bluetooth
  15
  16 #/usr/bin/killall hciattach
  17 # Do NOT use killall due to smack
  18 hciattach_pid=`${PGREP} hciattach`
  19 kill $hciattach_pid
  20
  21 HCI_CONFIG=/usr/bin/hciconfig
  22 TIMEOUT=20
  23 for ((i=1; i<=$TIMEOUT; i++))
  24 do
  25         /bin/sleep 0.1
  26         if [ $i -eq $TIMEOUT ]
  27         then
  28                 echo "time expired happen $i"
  29                 exit 2
  30         fi
  31         if (${HCI_CONFIG} | grep DOWN); then
  32                 echo "Bluetooth device is down"
  33                 break
  34         fi
  35         if (${HCI_CONFIG} | grep hci); then
  36                 echo "Bluetooth device still exist"
  37         else
  38                 echo "hci is removed"
  39                 break
  40         fi
  41         echo "Continue...$i"
  42 done
  43
  44 exit 0