init.qcom.bt.sh

#!/system/bin/sh
# Copyright (c) 2009-2010, Code Aurora Forum. All rights reserved.
#
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#
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# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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#
# /* < DTS2010073100955 xuhui 20100730 begin */ 
# the sleep path is not used on 7230
# /* < DTS2010101901100 xuhui 20101021 begin */ 
# add clock control for qtr8200
BLUETOOTH_CLOCK_PATH=/proc/bluetooth/clock/proto
# /* DTS2010101901100 xuhui 20101021 end > */
# /* DTS2010073100955 xuhui 20100730 end > */
LOG_TAG="qcom-bluetooth"
LOG_NAME="${0}:"

hciattach_pid=""

loge ()
{
  /system/bin/log -t $LOG_TAG -p e "$LOG_NAME $@"
}

logi ()
{
  /system/bin/log -t $LOG_TAG -p i "$LOG_NAME $@"
}

failed ()
{
  loge "$1: exit code $2"
  exit $2
}

start_hciattach ()
{
# /* < DTS2010073100955 xuhui 20100730 begin */ 
# sleep path mode is not used on 7230, if we ech 1 to a wrong path in /proc, the shell will be not sensitive to the signal send by init 
#  echo 1 > $BLUETOOTH_SLEEP_PATH
# /* DTS2010073100955 xuhui 20100730 end > */
  /system/bin/hciattach -n $BTS_DEVICE $BTS_TYPE $BTS_BAUD &
  hciattach_pid=$!
  logi "start_hciattach: pid = $hciattach_pid"
}

kill_hciattach ()
{
  logi "kill_hciattach: pid = $hciattach_pid"
  ## careful not to kill zero or null!
  kill -TERM $hciattach_pid
# /* < DTS2010073100955 xuhui 20100730 begin */ 
# sleep path mode is not used on 7230, if we ech 1 to a wrong path in /proc, the shell will be not sensitive to the signal send by init 
#  echo 0 > $BLUETOOTH_SLEEP_PATH
# /* DTS2010073100955 xuhui 20100730 end > */
  # this shell doesn't exit now -- wait returns for normal exit
}

# mimic hciattach options parsing -- maybe a waste of effort
USAGE="hciattach [-n] [-p] [-b] [-t timeout] [-s initial_speed] <tty> <type | id> [speed] [flow|noflow] [bdaddr]"

while getopts "blnpt:s:" f
do
  case $f in
  b | l | n | p)  opt_flags="$opt_flags -$f" ;;
  t)      timeout=$OPTARG;;
  s)      initial_speed=$OPTARG;;
  \?)     echo $USAGE; exit 1;;
  esac
done
shift $(($OPTIND-1))

# Note that "hci_qcomm_init -e" prints expressions to set the shell variables
# BTS_DEVICE, BTS_TYPE, BTS_BAUD, and BTS_ADDRESS.

eval $(/system/bin/hci_qcomm_init -e && echo "exit_code_hci_qcomm_init=0" || echo "exit_code_hci_qcomm_init=1")

# /* < DTS2010101901100 xuhui 20101021 begin */ 
case $exit_code_hci_qcomm_init in
  0) logi "Bluetooth QSoC firmware download succeeded, $BTS_DEVICE $BTS_TYPE $BTS_BAUD $BTS_ADDRESS"
     echo 1 > $BLUETOOTH_CLOCK_PATH 
  ;;
  *) failed "Bluetooth QSoC firmware download failed" $exit_code_hci_qcomm_init;;
esac

# /* DTS2010101901100 xuhui 20101021 end > */
# init does SIGTERM on ctl.stop for service
trap "kill_hciattach" TERM INT

start_hciattach

wait $hciattach_pid

logi "Bluetooth stopped"

exit 0