start_bt.sh

#! /bin/sh
#
# Shell script to install Bluetooth firmware and attach BT part of
# RTL8723BS
#

RFKILL_BT=`/usr/sbin/rfkill list | awk 'BEGIN{FS=":"} /OBDA8723/{ print $1 }'`
if [ x"$RFKILL_BT" != x"" ]; then
  /usr/sbin/rfkill block "$RFKILL_BT"
  /usr/sbin/rfkill unblock "$RFKILL_BT"
fi

if [ x"$1" = x"" ]; then
    # Find the TTY attached to the BT device
    TTYSTRING=`dmesg -t | grep tty | grep MMIO | cut -b 14-18`
    TTY=`expr substr "$TTYSTRING" 1 5`

    if [ x"$TTYSTRING" = x"" ]; then
	echo
	echo "No BT TTY device has been found"
	echo "Either this computer has no BT device that uses hciattach, or"
	echo "Your kernel does not have module 8250_dw configured."
	echo "Note: The configuration variable is CONFIG_SERIAL_8250_DW."
	echo
	exit 1
    fi
else
    # Use the TTY device mentioned oi the call
    TTY="$1"
fi

TTY="/dev/$TTY"
echo "Using device $TTY for Bluetooth"

dirname=`dirname "$0"`
"$dirname/rtk_hciattach" -n -s 115200 $TTY rtk_h5 \
    > /var/log/hciattach.txt 2>&1 &