Files
airborne_CO2/rasp.sh
2025-12-24 09:09:03 +08:00

109 lines
3.2 KiB
Bash

#!/bin/bash
# The IP address shared by all USB network interfaces created by this script.
net_ip=192.168.42.120
# The associated netmask.
net_mask=255.255.0.0
enable_vcom=0
enable_rndis=1
enable_bulk=0
startup_bulk_dir=$(dirname "$0")
startup_bulk_exe=${startup_bulk_dir}/build/startup_bulk
#
#if [ ! -d /sys/kernel/config/usb_gadget ]; then
# if ! $(grep -q dtoverlay=dwc2 /boot/config.txt) ; then
# echo -e "\n\n\n## customized\n# for op-sdk enable USB device RNDIS\n[all]\ndtoverlay=dwc2" >> /boot/config.txt
# init 6
# fi
#
# if ! $(grep -q modules-load=dwc2 /boot/cmdline.txt) ; then
# sed -i 's/rootwait /&modules-load=dwc2 /' /boot/cmdline.txt
# init 6
# fi
#
# if ! $(grep -q libcomposite /etc/modules) ; then
# echo -e "\n\n\n## customized\n# for op-sdk enable USB device RNDIS\nlibcomposite" >> /etc/modules
# init 6
# fi
#
# exit 1
#fi
rmmod g_mass_storage
sleep 1
if [ ! -d /sys/kernel/config/usb_gadget/pi4 ]; then
mkdir -p /sys/kernel/config/usb_gadget/pi4
cd /sys/kernel/config/usb_gadget/pi4
echo 0x2ca3 > idVendor # Linux Foundation
echo 0xF001 > idProduct # Multifunction Composite Gadget
if [ ${enable_vcom} -eq 1 ]; then
echo 0xF002 > idProduct # Multifunction Composite Gadget
fi
if [ ${enable_rndis} -eq 1 ]; then
echo 0xF003 > idProduct # Multifunction Composite Gadget
fi
if [ ${enable_bulk} -eq 1 ]; then
echo 0xF001 > idProduct # Multifunction Composite Gadget
fi
echo 0x0001 > bcdDevice # v1.0.0
echo 0x0200 > bcdUSB # USB2
echo 0xEF > bDeviceClass
echo 0x02 > bDeviceSubClass
echo 0x01 > bDeviceProtocol
mkdir -p strings/0x409
echo "psdk-rpi4b" > strings/0x409/serialnumber
echo "raspberry" > strings/0x409/manufacturer
echo "PI4" > strings/0x409/product
cfg=configs/c.1
mkdir -p "${cfg}"
echo 0x80 > ${cfg}/bmAttributes
echo 250 > ${cfg}/MaxPower
cfg_str=""
if [ ${enable_rndis} -eq 1 ]; then
cfg_str="${cfg_str}+RNDIS"
func=functions/rndis.usb0
mkdir -p "${func}"
ln -sf "${func}" "${cfg}"
# Informs Windows that this device is compatible with the built-in RNDIS
# driver. This allows automatic driver installation without any need for
# a .inf file or manual driver selection.
echo 1 > os_desc/use
echo 0xcd > os_desc/b_vendor_code
echo MSFT100 > os_desc/qw_sign
echo RNDIS > "${func}/os_desc/interface.rndis/compatible_id"
echo 5162001 > "${func}/os_desc/interface.rndis/sub_compatible_id"
ln -sf "${cfg}" os_desc
fi
mkdir -p "${cfg}/strings/0x409"
echo "${cfg_str:1}" > "${cfg}/strings/0x409/configuration"
# cd -
fi
udevadm settle -t 5 || :
ls /sys/class/udc > UDC
if [ ${enable_rndis} -eq 1 ]; then
/sbin/brctl addbr pi4br0
/sbin/ifconfig pi4br0 ${net_ip} netmask ${net_mask} up
/sbin/brctl addif pi4br0 usb0
/sbin/ifconfig usb0 down
/sbin/ifconfig usb0 up
fi
exit 0