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#!/bin/sh
PATH=/bin:/usr/bin:/sbin:/usr/sbin
#
# Script for registering Marvell SDIO BT device
#
PARAM_BDADDR=/sys/module/bt8xxx/parameters/bt_mac
# Please fill the location fo bdaddr file
BT_MAC_FILE=/opt/etc/.bd_addr
GEN_BDADDR(){
echo "BT Mac addr generates randomly."
MAC_PRE=$(echo "00:50:43:")
MAC_POST=$(openssl rand -hex 3 | sed 's/\(..\)/\1:/g; s/.$//')
echo "Random : $MAC_PRE$MAC_POST"
bt_mac=$MAC_PRE$MAC_POST
}
# Take MAC ADDRESS from NAND storage. If not present generate randomly.
if [ -e ${BT_MAC_FILE} ] > /dev/null 2>&1;
then
bt_mac=$(cat ${BT_MAC_FILE})
if [ ${#bt_mac} == 17 ]; then
echo "bt_mac addr exists in ${BT_MAC_FILE} : ${bt_mac}"
else
echo "bt_mac addr is not proper in ${BT_MAC_FILE} : ${bt_mac}"
GEN_BDADDR
fi
else
GEN_BDADDR
echo $bt_mac > ${BT_MAC_FILE}
fi
# Set MAC ADDRESS to module parameters
echo $bt_mac > ${PARAM_BDADDR}
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