Files
airborne_CO2/raspusb.sh
2026-03-04 10:24:11 +08:00

174 lines
5.2 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=0
enable_bulk=1
startup_bulk_dir=$(dirname "$0")
startup_bulk_exe=/SDCard/USB_BULK/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
# 卸载 g_mass_storage
if lsmod | grep -q g_mass_storage; then
echo "Unloading g_mass_storage module..."
modprobe -r g_mass_storage || { echo "WARNING: Failed to unload g_mass_storage. This might cause issues."; }
sleep 1
fi
# 卸载 g_ether
if lsmod | grep -q g_ether; then
echo "Unloading g_ether module..."
modprobe -r g_ether || { echo "WARNING: Failed to unload g_ether. This might cause issues."; }
sleep 1
fi
rmmod g_mass_storage
sleep 1
rm -rf /sys/kernel/config/usb_gadget/pi4
if [ ! -d /sys/kernel/config/usb_gadget/pi4 ]; then
echo "Creating USB Gadget configuration..."
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
if [ ${enable_vcom} -eq 1 ]; then
cfg_str="${cfg_str}+ACM0"
func=functions/acm.gs0
mkdir -p "${func}"
ln -sf "${func}" "${cfg}"
fi
if [ ${enable_bulk} -eq 1 ]; then
mkdir -p /dev/usb-ffs
cfg_str="${cfg_str}+BULK1"
mkdir -p /dev/usb-ffs/bulk1
func=functions/ffs.bulk1
mkdir -p "${func}"
ln -sf "${func}" "${cfg}"
mount -o mode=0777,uid=2000,gid=2000 -t functionfs bulk1 /dev/usb-ffs/bulk1
cfg_str="${cfg_str}+BULK2"
mkdir -p /dev/usb-ffs/bulk2
func=functions/ffs.bulk2
mkdir -p "${func}"
ln -sf "${func}" "${cfg}"
mount -o mode=0777,uid=2000,gid=2000 -t functionfs bulk2 /dev/usb-ffs/bulk2
cfg_str="${cfg_str}+BULK3"
mkdir -p /dev/usb-ffs/bulk3
func=functions/ffs.bulk3
mkdir -p "${func}"
ln -sf "${func}" "${cfg}"
mount -o mode=0777,uid=2000,gid=2000 -t functionfs bulk3 /dev/usb-ffs/bulk3
fi
mkdir -p "${cfg}/strings/0x409"
echo "${cfg_str:1}" > "${cfg}/strings/0x409/configuration"
# cd -
fi
if [ ${enable_bulk} -eq 1 ]; then
if [ ! -f ${startup_bulk_exe} ]; then
cd ${startup_bulk_dir}
make && ( $? != 0 ) && ( exit 1 )
cp startup_bulk ${startup_bulk_exe}
make clean
cd -
fi
${startup_bulk_exe} /dev/usb-ffs/bulk1 &
sleep 1
${startup_bulk_exe} /dev/usb-ffs/bulk2 &
sleep 1
${startup_bulk_exe} /dev/usb-ffs/bulk3 &
sleep 1
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