mirror of
https://github.com/archr-linux/Arch-R.git
synced 2026-03-31 14:41:55 -07:00
06dc2d16f3
System daemons: hotkeys (volume/brightness), automount, bluetooth agent, memory manager, sleep/suspend, USB gadget mode, save-config persistence. Boot splash: initramfs SVG renderer (fbsplash + svg_parser) for 0.7s splash. Panel tools: generate-panel-dtbos.sh rewrite, convert-panel.py for ROCKNIX panel data extraction, archr-dtbo.py for runtime overlay management. Input: archr-gptokeyb.c gamepad-to-keyboard mapper via uinput. Launch wrappers: emulationstation.sh and retroarch-launch.sh updated for KMS/DRM + Mesa 26 Panfrost environment. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
130 lines
3.8 KiB
Bash
130 lines
3.8 KiB
Bash
#!/bin/bash
|
|
# Arch R — USB Gadget Mode Control
|
|
# Configures USB OTG port as a gadget device (network over USB or mass storage).
|
|
#
|
|
# Usage:
|
|
# archr-usbgadget enable [ncm|rndis|mass_storage]
|
|
# archr-usbgadget disable
|
|
# archr-usbgadget trigger (called by udev on cable plug)
|
|
# archr-usbgadget status
|
|
|
|
GADGET_DIR="/sys/kernel/config/usb_gadget/archr"
|
|
UDC=$(ls /sys/class/udc/ 2>/dev/null | head -1)
|
|
|
|
log() { logger -t archr-usbgadget "$1"; }
|
|
|
|
create_gadget() {
|
|
local mode="${1:-ncm}"
|
|
|
|
# Load configfs
|
|
modprobe libcomposite 2>/dev/null
|
|
mount -t configfs none /sys/kernel/config 2>/dev/null
|
|
|
|
# Clean existing gadget
|
|
disable_gadget 2>/dev/null
|
|
|
|
mkdir -p "$GADGET_DIR"
|
|
cd "$GADGET_DIR" || exit 1
|
|
|
|
# Device descriptors
|
|
echo 0x1d6b > idVendor # Linux Foundation
|
|
echo 0x0104 > idProduct # Multifunction Composite Gadget
|
|
echo 0x0100 > bcdDevice
|
|
echo 0x0200 > bcdUSB
|
|
|
|
mkdir -p strings/0x409
|
|
echo "archr" > strings/0x409/serialnumber
|
|
echo "Arch R" > strings/0x409/manufacturer
|
|
echo "Arch R Gaming Console" > strings/0x409/product
|
|
|
|
mkdir -p configs/c.1/strings/0x409
|
|
echo "Config 1" > configs/c.1/strings/0x409/configuration
|
|
echo 500 > configs/c.1/MaxPower
|
|
|
|
case "$mode" in
|
|
ncm)
|
|
mkdir -p functions/ncm.usb0
|
|
ln -s functions/ncm.usb0 configs/c.1/
|
|
log "NCM gadget configured (network over USB)"
|
|
;;
|
|
rndis)
|
|
mkdir -p functions/rndis.usb0
|
|
ln -s functions/rndis.usb0 configs/c.1/
|
|
log "RNDIS gadget configured (Windows network over USB)"
|
|
;;
|
|
mass_storage)
|
|
mkdir -p functions/mass_storage.usb0
|
|
# Export /roms if mounted, otherwise /dev/null
|
|
if mountpoint -q /roms; then
|
|
ROMS_DEV=$(findmnt -no SOURCE /roms)
|
|
echo "$ROMS_DEV" > functions/mass_storage.usb0/lun.0/file
|
|
echo 1 > functions/mass_storage.usb0/lun.0/removable
|
|
fi
|
|
ln -s functions/mass_storage.usb0 configs/c.1/
|
|
log "Mass storage gadget configured"
|
|
;;
|
|
*)
|
|
log "Unknown mode: $mode"
|
|
return 1
|
|
;;
|
|
esac
|
|
|
|
# Enable gadget
|
|
[ -n "$UDC" ] && echo "$UDC" > UDC
|
|
log "USB gadget enabled (mode=$mode, udc=$UDC)"
|
|
}
|
|
|
|
disable_gadget() {
|
|
if [ -d "$GADGET_DIR" ]; then
|
|
echo "" > "$GADGET_DIR/UDC" 2>/dev/null
|
|
|
|
# Unlink functions from configs
|
|
for link in "$GADGET_DIR"/configs/c.1/*; do
|
|
[ -L "$link" ] && rm -f "$link"
|
|
done
|
|
|
|
# Remove functions
|
|
for func in "$GADGET_DIR"/functions/*; do
|
|
[ -d "$func" ] && rmdir "$func" 2>/dev/null
|
|
done
|
|
|
|
# Remove configs
|
|
rmdir "$GADGET_DIR"/configs/c.1/strings/0x409 2>/dev/null
|
|
rmdir "$GADGET_DIR"/configs/c.1 2>/dev/null
|
|
|
|
# Remove strings and gadget
|
|
rmdir "$GADGET_DIR"/strings/0x409 2>/dev/null
|
|
rmdir "$GADGET_DIR" 2>/dev/null
|
|
|
|
log "USB gadget disabled"
|
|
fi
|
|
}
|
|
|
|
gadget_status() {
|
|
if [ -d "$GADGET_DIR" ] && [ -n "$(cat "$GADGET_DIR/UDC" 2>/dev/null)" ]; then
|
|
echo "USB gadget: ACTIVE"
|
|
for func in "$GADGET_DIR"/functions/*; do
|
|
[ -d "$func" ] && echo " Function: $(basename "$func")"
|
|
done
|
|
else
|
|
echo "USB gadget: INACTIVE"
|
|
fi
|
|
}
|
|
|
|
case "${1:-status}" in
|
|
enable) create_gadget "${2:-ncm}" ;;
|
|
disable) disable_gadget ;;
|
|
trigger)
|
|
# Called by udev on cable plug — enable NCM by default
|
|
if [ ! -d "$GADGET_DIR" ]; then
|
|
create_gadget ncm
|
|
# Configure network interface
|
|
sleep 1
|
|
ip addr add 10.1.1.1/24 dev gadget 2>/dev/null
|
|
ip link set gadget up 2>/dev/null
|
|
fi
|
|
;;
|
|
status) gadget_status ;;
|
|
*) echo "Usage: $0 {enable [ncm|rndis|mass_storage]|disable|trigger|status}" ;;
|
|
esac
|