89 lines
2.2 KiB
Bash
89 lines
2.2 KiB
Bash
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#!/bin/sh
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################################################################################
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# Create By Czy
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################################################################################
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#
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# usb device event:
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#
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# ACTION=add
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# DEVNAME=/dev/usbdev1.13
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# DEVTYPE=
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# DEVPATH=/devices/platform/hiusb-ehci.0/usb1/1-2/1-2.4/usb_device/usbdev1.13
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# SUBSYSTEM=usb_device
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# SEQNUM=555
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# UDEVD_EVENT=1
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#
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################################################################################
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USB_PREFIX=usbdev
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CONSOLE=/dev/ttyS000
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################################################################################
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show_env ()
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{
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local RED="\033[31m"
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local NORMAL="\033[00m"
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{
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echo -e ${RED}"ACTION=$ACTION" ${NORMAL}
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echo -e ${RED}"DEVNAME=$DEVNAME" ${NORMAL}
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echo -e ${RED}"DEVTYPE=$DEVTYPE" ${NORMAL}
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echo -e ${RED}"DEVPATH=$DEVPATH" ${NORMAL}
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echo -e ${RED}"SUBSYSTEM=$SUBSYSTEM" ${NORMAL}
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echo -e ${RED}"SEQNUM=$SEQNUM" ${NORMAL}
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echo -e ${RED}"UDEVD_EVENT=$UDEVD_EVENT" ${NORMAL}
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} > ${CONSOLE}
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}
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################################################################################
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# new_name orgin_name
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add_usb ()
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{
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local NEW_NAME=$1
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local ORG_NAME=$2
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if [ -e ${ORG_NAME} ]; then
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cd /dev/; ln -sf ${ORG_NAME} ${NEW_NAME}; cd -
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echo "${NEW_NAME} -> ${ORG_NAME}" > ${CONSOLE}
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fi
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}
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################################################################################
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# new_name
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remove_usb ()
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{
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local NEW_NAME=${1}
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if [ -L /dev/${NEW_NAME} ]; then
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rm -f /dev/${NEW_NAME}
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fi
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}
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################################################################################
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hotplug_usb ()
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{
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if [ ss"$SUBSYSTEM" != ss"usb_device" ]; then
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return 1
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fi
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if [ ss"$(echo $DEVPATH | grep -r "usb")" = ss"" ]; then
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return 1
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fi
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TMP=$(echo ${DEVPATH:36} | sed -e 's/\/usb_device.*//')
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NEW_NAME=${USB_PREFIX}$(echo ${TMP##*/} | sed -e 's/[-.usbdev]//g')
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case "$ACTION" in
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"add" )
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add_usb "${NEW_NAME}" "${DEVNAME}"
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;;
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"remove" )
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remove_usb "${NEW_NAME}"
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;;
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* )
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echo "Not recognise ACTION:${ACTION}" > ${CONSOLE}
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;;
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esac
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return 0
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}
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################################################################################
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#show_env
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hotplug_usb
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