#! /bin/sh
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UMS_EN=off
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MTP_EN=off
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ADB_EN=off
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UMS_AUTO_MOUNT=off
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UMS_BLOCK=/dev/block/by-name/userdata
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PATH_TO_UMS_FILE=/sys/kernel/config/usb_gadget/rockchip/functions/mass_storage.0/lun.0/file
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PATH_TO_USB_CONFIG=/tmp/.usb_config
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PATH_TO_UDC=/sys/kernel/config/usb_gadget/rockchip/UDC
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find_ums_config()
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{
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while read line
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do
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NAME=`echo $line | awk -F "=" '{print $1}'`
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VAR=`echo $line | awk -F "=" '{print $2}'`
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if [ "$NAME" == "ums_block" ]; then
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UMS_BLOCK=${VAR}
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fi
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if [ "$NAME" == "ums_block_auto_mount" ]; then
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UMS_AUTO_MOUNT=${VAR}
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fi
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done < ${PATH_TO_USB_CONFIG}
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}
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find_spec_function()
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{
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functions=`cat /sys/kernel/config/usb_gadget/rockchip/configs/b.1/strings/0x409/configuration`
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functions=${functions}_over_
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tmp=`echo $functions | awk -F "_" '{print $1}'`
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while [ "${tmp}" != "over" ]; do
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test "$tmp" == "mtp" && MTP_EN=on
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test "$tmp" == "ums" && UMS_EN=on
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test "$tmp" == "adb" && ADB_EN=on
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functions=${functions#*_}
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tmp=`echo $functions | awk -F "_" '{print $1}'`
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done
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}
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dev_path=/sys$1
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state=$2
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find_spec_function
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if [ "$state"x != "CONFIGURED"x ] ; then
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if [ $MTP_EN = on ]; then
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pgrep mtp-server
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echo "mtp-server runing:" $?
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if ! pgrep -f mtp-server; then
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start-stop-daemon --start --quiet --background --exec /usr/bin/mtp-server
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fi
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fi
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if [ $ADB_EN = on ] && [ "$state"x = "DISCONNECTED"x ] ; then
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cat ${PATH_TO_USB_CONFIG} | grep USB_FORCE_CHANGED || \
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/etc/init.d/S50usbdevice restart
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fi
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else
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if [ $UMS_EN = on ]; then
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find_ums_config
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if [ $UMS_AUTO_MOUNT = on ]; then
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umount -f /mnt/ums
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fi
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VAR=`cat ${PATH_TO_UMS_FILE}`
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test -z ${VAR} && echo ${UMS_BLOCK} > ${PATH_TO_UMS_FILE}
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fi
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fi
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