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multi-gadget.sh
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multi-gadget.sh
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#!/bin/bash
mkdir /sys/kernel/config/usb_gadget/pi4
echo 0x1d6b > /sys/kernel/config/usb_gadget/pi4/idVendor
echo 0x0104 > /sys/kernel/config/usb_gadget/pi4/idProduct
echo 0x0100 > /sys/kernel/config/usb_gadget/pi4/bcdDevice
echo 0x0200 > /sys/kernel/config/usb_gadget/pi4/bcdUSB
echo 0xEF > /sys/kernel/config/usb_gadget/pi4/bDeviceClass
echo 0x02 > /sys/kernel/config/usb_gadget/pi4/bDeviceSubClass
echo 0x01 > /sys/kernel/config/usb_gadget/pi4/bDeviceProtocol
mkdir /sys/kernel/config/usb_gadget/pi4/strings/0x409
echo 100000000d2386db > /sys/kernel/config/usb_gadget/pi4/strings/0x409/serialnumber
echo "Samsung" > /sys/kernel/config/usb_gadget/pi4/strings/0x409/manufacturer
echo "PI4 USB Device" > /sys/kernel/config/usb_gadget/pi4/strings/0x409/product
mkdir /sys/kernel/config/usb_gadget/pi4/configs/c.2
mkdir /sys/kernel/config/usb_gadget/pi4/configs/c.2/strings/0x409
echo 500 > /sys/kernel/config/usb_gadget/pi4/configs/c.2/MaxPower
echo "UVC" > /sys/kernel/config/usb_gadget/pi4/configs/c.2/strings/0x409/configuration
mkdir /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0
mkdir /sys/kernel/config/usb_gadget/pi4/functions/acm.usb0
mkdir -p /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0/control/header/h
ln -s /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0/control/header/h /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0/control/class/fs
mkdir -p /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0/streaming/mjpeg/m/1080p
cat <<EOF > /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0/streaming/mjpeg/m/1080p/dwFrameInterval
5000000
EOF
cat <<EOF > /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0/streaming/mjpeg/m/1080p/wWidth
1920
EOF
cat <<EOF > /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0/streaming/mjpeg/m/1080p/wHeight
1080
EOF
cat <<EOF > /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0/streaming/mjpeg/m/1080p/dwMinBitRate
10000000
EOF
cat <<EOF > /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0/streaming/mjpeg/m/1080p/dwMaxBitRate
100000000
EOF
cat <<EOF > /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0/streaming/mjpeg/m/1080p/dwMaxVideoFrameBufferSize
7372800
EOF
mkdir /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0/streaming/header/h
cd /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0/streaming/header/h
ln -s ../../mjpeg/m
cd ../../class/fs
ln -s ../../header/h
cd ../../class/hs
ln -s ../../header/h
cd ../../../../..
ln -s /sys/kernel/config/usb_gadget/pi4/functions/uvc.usb0 /sys/kernel/config/usb_gadget/pi4/configs/c.2/uvc.usb0
ln -s /sys/kernel/config/usb_gadget/pi4/functions/acm.usb0 /sys/kernel/config/usb_gadget/pi4/configs/c.2/acm.usb0
udevadm settle -t 5 || :
ls /sys/class/udc > /sys/kernel/config/usb_gadget/pi4/UDC