blob: c1df5b3b3184b26cd81dcfc13e0ceb722cdf2576 [file] [log] [blame]
#!/bin/sh
. /etc/utils.sh
PATH="/usr/bin/bluetooth:${PATH}"
BLUEZ_STOR_DIR="/user/bluez/lib/bluetooth"
BLUEZ_CONF_DIR="/tmp/bluez/etc/bluetooth"
BLUEZ_MAIN_CONF="${BLUEZ_CONF_DIR}/main.conf"
BLUEZ_INPUT_CONF="${BLUEZ_CONF_DIR}/input.conf"
BT_MAC_FILE="/tmp/btmacaddress"
BSA_DEVICES_FILE="/user/bsa/bt_devices.xml"
# Bluetooth is needed only on TV Box
! is-tv-box && exit 0
# in debug mode, support multiple BT adapters
if [ -f /tmp/DEBUG ]; then
hci_ifaces=$(cd /sys/kernel/debug/bluetooth; echo hci* 2> /dev/null)
else
hci_ifaces=hci0
fi
# if there are multiple BT interfaces, use the last one
hci_active=${hci_ifaces##* }
case "$1" in
start)
done=/tmp/btlast_$(basename $0).done
if experiment BluetoothLast && [ ! -f "$done" ]; then
: > "$done"
echo "$0: skipping start due to BluetoothLast experiment."
exit 0
fi
BT_MAC=$(cat "${BT_MAC_FILE}")
BLUEZ_ADAP_DIR="${BLUEZ_STOR_DIR}/${BT_MAC}"
BLUEZ_DEVC_DIR="${BLUEZ_ADAP_DIR}/cache"
# On the first BlueZ start, create BlueZ storage directories
# and import paired remote control devices from BSA to BlueZ
if [ ! -e "${BLUEZ_ADAP_DIR}" ]; then
mkdir -p "${BLUEZ_ADAP_DIR}"
mkdir -p "${BLUEZ_DEVC_DIR}"
[ -e "${BSA_DEVICES_FILE}" ] && bsa2bluez
fi
# Create BlueZ config files
mkdir -p "${BLUEZ_CONF_DIR}"
echo "[General]" >"${BLUEZ_MAIN_CONF}"
echo "Name=GOOGLE-STB" >>"${BLUEZ_MAIN_CONF}"
echo "Class=0x100" >>"${BLUEZ_MAIN_CONF}"
echo "[General]" >"${BLUEZ_INPUT_CONF}"
echo "Encryption=false" >>"${BLUEZ_INPUT_CONF}"
echo "UserspaceHID=true" >>"${BLUEZ_INPUT_CONF}"
# link to active hci for gfiber-agent
rm -f /tmp/hci
ln -s /sys/kernel/debug/bluetooth/$hci_active /tmp/hci
# ignore non-active interfaces
for n in $hci_ifaces; do
if [ "$n" != "$hci_active" ]; then
export IGNORE_$n=1
fi
done
# configure BLE connection parameters:
# - conn_{min,max}_interval = 8 (8 x 1.25ms = 10ms)
# - conn_latency = 7 (slave can skip 7 connection intervals)
# - supervision_timeout = 300 (300 x 10ms = 3000ms)
# -> connection is declared down if nothing is received in 3000ms
echo 6 > /tmp/hci/conn_min_interval # in case current min > new max
echo 8 > /tmp/hci/conn_max_interval
echo 8 > /tmp/hci/conn_min_interval
echo 7 > /tmp/hci/conn_latency
echo 300 > /tmp/hci/supervision_timeout
# Start BlueZ stack
(
if runnable ti-rcu-audio; then
echo "$0: starting ti-rcu-audio"
setuid appclient:video ti-rcu-audio | logos tiaudio &
fi
echo "$0: Starting btmon"
babysit 30 btmon -A -t 2>&1 | logos btmon &
sleep 1
echo "$0: Starting bluetoothd"
babysit 30 bluetoothd -n -d -E 2>&1 | logos bluez &
sleep 3
echo "$0: Starting gfiber-agent"
babysit 30 gfiber-agent "${BLUEZ_ADAP_DIR}" 2>&1 | logos bluez-agent &
echo >/tmp/S31bluez_done
) &
;;
stop)
wait-until-created /tmp/S31bluez_done
for n in $hci_ifaces; do hciconfig $n down; done
rm -f /tmp/hci
pkillwait -x gfiber-agent
pkillwait -x bluetoothd
pkillwait -x btmon
rm -f /tmp/S31bluez_done
;;
restart)
$0 stop; $0 start
;;
*)
echo "Usage: $0 {start|stop|restart}"
exit 1
esac