meta-digi/meta-digi-dey/recipes-connectivity/bluez/bluez5/bluez-init

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#!/bin/sh
#===============================================================================
#
# bluez
#
# Copyright (C) 2012-2014 by Digi International Inc.
# All rights reserved.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License version 2 as published by
# the Free Software Foundation.
#
#
# !Description: Configure Bluetooth
#
#===============================================================================
set -e
if [ "${1}" != "start" ]; then
exit 0
fi
SCRIPTNAME="$(basename "${0}")"
bt_init() {
if grep -qs '\<digi,ccardimx28\>' /proc/device-tree/compatible; then
BT_PWR_GPIO_NR="21"
elif grep -qs '\<digi,ccimx6\>' /proc/device-tree/compatible; then
BT_PWR_GPIO_NR="244"
fi
# Use a sub-shell here to change to firmware directory
(
cd /lib/firmware/ar3k/1020200
# Get MAC address from device tree or NVRAM. Use a default value it it has not been set.
if [ -f "/proc/device-tree/bluetooth/mac-address" ]; then
BTADDR="$(hexdump -ve '1/1 "%02X" ":"' /proc/device-tree/bluetooth/mac-address | sed 's/:$//g')"
else
BTADDR="$(sed -ne 's,^.*btaddr1=\([^[:blank:]]\+\)[:blank:]*.*,\1,g;T;p' /proc/cmdline)"
fi
if [ -z "${BTADDR}" ] || [ "${BTADDR}" = "00:00:00:00:00:00" ]; then
BTADDR="00:04:F3:FF:FF:BB"
fi
# Update the MAC address file only if it has changed.
FW_MAC="ar3kbdaddr.pst"
[ -f "${FW_MAC}" ] && [ "$(cat ${FW_MAC})" = "${BTADDR}" ] || echo ${BTADDR} > ${FW_MAC}
JPN_REGCODE="0x2"
REGCODE="$(cat /proc/device-tree/digi,hwid,cert 2>/dev/null)"
BT_CLASS_LINK="PS_ASIC.pst"
BT_CLASS_FILE="PS_ASIC_class_1.pst"
if [ -n "${REGCODE}" ] && [ "${JPN_REGCODE}" = "${REGCODE}" ]; then
BT_CLASS_FILE="PS_ASIC_class_2.pst"
fi
# Replace the configuration file if different
if ! cmp -s ${BT_CLASS_FILE} ${BT_CLASS_LINK}; then
ln -sf ${BT_CLASS_FILE} ${BT_CLASS_LINK}
fi
# Remove not used configuration and readme files
# -- Do not quote the subcommand to avoid leading/trailing whitespace
# -- being part of the file name.
rm -f $(echo PS_ASIC_class_?.pst | sed -e "s,${BT_CLASS_FILE},,g") readme.txt
)
# Start the Bluetooth driver and daemon (D-BUS must already be running)
RETRIES="5"
while [ "${RETRIES}" -gt "0" ]; do
hciattach ttyBt ath3k 4000000 1>/dev/null && break
if [ -n "${BT_PWR_GPIO_NR}" ]; then
#
# If hciattach fails try to recover it by toggling the BT power GPIO
#
BT_PWR_L="/sys/class/gpio/gpio${BT_PWR_GPIO_NR}"
[ -d "${BT_PWR_L}" ] || printf "%s" ${BT_PWR_GPIO_NR} > /sys/class/gpio/export
printf out > ${BT_PWR_L}/direction && sleep .2
printf 0 > ${BT_PWR_L}/value && sleep .2
printf 1 > ${BT_PWR_L}/value && sleep .2
[ -d "${BT_PWR_L}" ] && printf "%s" ${BT_PWR_GPIO_NR} > /sys/class/gpio/unexport
else
sleep .5
fi
RETRIES="$((RETRIES - 1))"
done
if [ "${RETRIES}" -eq "0" ]; then
echo "${SCRIPTNAME}: FAILED (hciattach)"
exit
fi
if hciconfig hci0 up; then
: # No-op
else
echo "${SCRIPTNAME}: FAILED"
exit
fi
}
# Check if this hardware does support Bluetooth
[ -d "/proc/device-tree/bluetooth" ] && bt_init
echo "Starting bluetooth services."
start-stop-daemon -S --background --exec /usr/lib/bluez5/bluetooth/bluetoothd