140 lines
4.3 KiB
Bash
140 lines
4.3 KiB
Bash
#!/bin/bash
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# The IP address shared by all USB network interfaces created by this script.
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net_ip=192.168.42.120
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# The associated netmask.
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net_mask=255.255.0.0
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enable_vcom=0
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enable_rndis=0
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enable_bulk=1
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startup_bulk_dir=$(dirname "$0")
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startup_bulk_exe=${startup_bulk_dir}/build/startup_bulk
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#
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#if [ ! -d /sys/kernel/config/usb_gadget ]; then
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# if ! $(grep -q dtoverlay=dwc2 /boot/config.txt) ; then
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# echo -e "\n\n\n## customized\n# for op-sdk enable USB device RNDIS\n[all]\ndtoverlay=dwc2" >> /boot/config.txt
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# init 6
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# fi
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#
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# if ! $(grep -q modules-load=dwc2 /boot/cmdline.txt) ; then
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# sed -i 's/rootwait /&modules-load=dwc2 /' /boot/cmdline.txt
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# init 6
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# fi
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#
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# if ! $(grep -q libcomposite /etc/modules) ; then
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# echo -e "\n\n\n## customized\n# for op-sdk enable USB device RNDIS\nlibcomposite" >> /etc/modules
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# init 6
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# fi
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#
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# exit 1
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#fi
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# 卸载 g_mass_storage
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if lsmod | grep -q g_mass_storage; then
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echo "Unloading g_mass_storage module..."
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modprobe -r g_mass_storage || { echo "WARNING: Failed to unload g_mass_storage. This might cause issues."; }
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sleep 1
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fi
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# 卸载 g_ether
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if lsmod | grep -q g_ether; then
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echo "Unloading g_ether module..."
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modprobe -r g_ether || { echo "WARNING: Failed to unload g_ether. This might cause issues."; }
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sleep 1
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fi
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rmmod g_mass_storage
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sleep 1
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GADGET_NAME="pi4"
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GADGET_ROOT="/sys/kernel/config/usb_gadget/${GADGET_NAME}"
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# 2. 卸载并清理旧的 gadget 配置 (可选，但推荐在测试时使用以确保干净状态)
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if [ -d "${GADGET_ROOT}" ]; then
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echo "Disabling existing gadget '${GADGET_NAME}'..."
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# 尝试解绑当前的 UDC (如果已经绑定)
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if [ -f "${GADGET_ROOT}/UDC" ]; then
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current_udc=$(cat "${GADGET_ROOT}/UDC")
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if [ -n "$current_udc" ]; then
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echo "Unbinding ${current_udc} from previous gadget..."
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echo "" > "${GADGET_ROOT}/UDC" # 解绑 UDC
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sleep 1
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fi
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fi
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rm -rf "${GADGET_ROOT}" # 删除所有旧的配置
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echo "Old gadget configuration removed."
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sleep 1
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fi
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if [ 1 ]; then
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echo "Creating gadget..."
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mkdir -p /sys/kernel/config/usb_gadget/pi4
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cd /sys/kernel/config/usb_gadget/pi4
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echo 0x2ca3 > idVendor # Linux Foundation
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echo 0xF001 > idProduct # Multifunction Composite Gadget
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if [ ${enable_vcom} -eq 1 ]; then
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echo 0xF002 > idProduct # Multifunction Composite Gadget
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fi
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if [ ${enable_rndis} -eq 1 ]; then
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echo 0xF003 > idProduct # Multifunction Composite Gadget
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fi
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if [ ${enable_bulk} -eq 1 ]; then
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echo 0xF001 > idProduct # Multifunction Composite Gadget
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fi
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echo 0x0001 > bcdDevice # v1.0.0
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echo 0x0200 > bcdUSB # USB2
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echo 0xEF > bDeviceClass
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echo 0x02 > bDeviceSubClass
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echo 0x01 > bDeviceProtocol
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mkdir -p strings/0x409
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echo "psdk-rpi4b" > strings/0x409/serialnumber
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echo "raspberry" > strings/0x409/manufacturer
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echo "PI4" > strings/0x409/product
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cfg=configs/c.1
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mkdir -p "${cfg}"
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echo 0x80 > ${cfg}/bmAttributes
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echo 250 > ${cfg}/MaxPower
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cfg_str=""
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if [ ${enable_rndis} -eq 1 ]; then
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cfg_str="${cfg_str}+RNDIS"
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func=functions/rndis.usb0
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mkdir -p "${func}"
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ln -sf "${func}" "${cfg}"
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# Informs Windows that this device is compatible with the built-in RNDIS
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# driver. This allows automatic driver installation without any need for
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# a .inf file or manual driver selection.
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echo 1 > os_desc/use
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echo 0xcd > os_desc/b_vendor_code
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echo MSFT100 > os_desc/qw_sign
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echo RNDIS > "${func}/os_desc/interface.rndis/compatible_id"
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echo 5162001 > "${func}/os_desc/interface.rndis/sub_compatible_id"
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ln -sf "${cfg}" os_desc
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fi
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mkdir -p "${cfg}/strings/0x409"
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echo "${cfg_str:1}" > "${cfg}/strings/0x409/configuration"
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# cd -
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fi
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udevadm settle -t 5 || :
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ls /sys/class/udc > UDC
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if [ ${enable_rndis} -eq 1 ]; then
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/sbin/brctl addbr pi4br0
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/sbin/ifconfig pi4br0 ${net_ip} netmask ${net_mask} up
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/sbin/brctl addif pi4br0 usb0
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/sbin/ifconfig usb0 down
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/sbin/ifconfig usb0 up
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fi
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exit 0 |