93 lines
2.2 KiB
Bash
Executable file
93 lines
2.2 KiB
Bash
Executable file
#!/bin/sh
|
|
# SPDX-License-Identifier: GPL-2.0
|
|
# Copyright (C) 2023 JELOS (https://github.com/JustEnoughLinuxOS)
|
|
|
|
for mod in usb_f_ecm ; do
|
|
modprobe -q ${mod}
|
|
done
|
|
|
|
mkdir -p /storage/.cache/usbgadget
|
|
|
|
if [ ! -f /storage/.cache/usbgadget/ip_address.conf ] ; then
|
|
echo "10.1.1.2" > /storage/.cache/usbgadget/ip_address.conf
|
|
fi
|
|
|
|
if [ ! -f /storage/.cache/usbgadget/udhcpd.conf ] ; then
|
|
echo -e "interface usb0\nstart 10.1.1.1\nend 10.1.1.1\nopt subnet 255.255.255.0\nopt lease 86400\nmax_leases 1\nlease_file /dev/null\nremaining no" >> /storage/.cache/usbgadget/udhcpd.conf
|
|
fi
|
|
|
|
VENDOR=JELOS
|
|
MACHINE=$(cat /etc/hostname)
|
|
UDC_NAME=$(ls -1 /sys/class/udc |head -n1)
|
|
IP=$(cat /storage/.cache/usbgadget/ip_address.conf)
|
|
|
|
usb_disable() {
|
|
echo "" > /sys/kernel/config/usb_gadget/gadget/UDC
|
|
echo "USB_MODE=disabled" > /storage/.cache/usbgadget/usbgadget.conf
|
|
}
|
|
|
|
usb_start() {
|
|
if [ -r /storage/.cache/usbgadget/usbgadget.conf ] ; then
|
|
. /storage/.cache/usbgadget/usbgadget.conf
|
|
fi
|
|
|
|
if [ "$1" ] ; then
|
|
USB_MODE=$1
|
|
fi
|
|
|
|
cd /sys/kernel/config/usb_gadget
|
|
mkdir gadget \
|
|
gadget/strings/0x409 \
|
|
gadget/configs/c.1 \
|
|
gadget/configs/c.1/strings/0x409 \
|
|
gadget/functions/ecm.usb0
|
|
|
|
echo $VENDOR > gadget/strings/0x409/manufacturer
|
|
echo $MACHINE > gadget/strings/0x409/product
|
|
|
|
if [ "${USB_MODE}" = cdc ] ; then
|
|
echo cdc > gadget/configs/c.1/strings/0x409/configuration
|
|
echo 0x1d6b > gadget/idVendor
|
|
echo 0x104 > gadget/idProduct
|
|
ln -s gadget/functions/ecm.usb0 gadget/configs/c.1
|
|
echo "${UDC_NAME}" > /sys/kernel/config/usb_gadget/gadget/UDC
|
|
ifconfig usb0 $IP up
|
|
/usr/sbin/udhcpd -S /storage/.cache/usbgadget/udhcpd.conf
|
|
fi
|
|
|
|
echo "USB_MODE=$(cat gadget/configs/c.1/strings/0x409/configuration)" > /storage/.cache/usbgadget/usbgadget.conf
|
|
}
|
|
|
|
usb_stop() {
|
|
(
|
|
cd /sys/kernel/config/usb_gadget
|
|
|
|
usb_disable
|
|
|
|
rm -f gadget/configs/c.1/ecm.usb0 \
|
|
|
|
rmdir gadget/configs/c.1/strings/0x409 \
|
|
gadget/configs/c.1 \
|
|
gadget/functions/ecm.usb0 \
|
|
gadget/strings/0x409 \
|
|
gadget
|
|
|
|
killall udhcpd
|
|
) >/dev/null 2>&1
|
|
}
|
|
|
|
case "$1" in
|
|
start)
|
|
usb_start $2
|
|
;;
|
|
stop)
|
|
usb_stop
|
|
;;
|
|
restart)
|
|
usb_stop
|
|
usb_start $2
|
|
;;
|
|
*)
|
|
echo "Usage: usbgadget [start|stop|restart]"
|
|
;;
|
|
esac
|