linux通过configfs方式开启uvc、uac、adb等功能

setusbconfig uvc：开启uvc功能。

切换到usb device模式：cat /sys/devices/platfORM/soc/usbc0/usb_device

#!/bin/shname=`basename $0`usage() {  echo "$name Usage:"  echo ""  echo "$name [function]"  echo "function: mtp,     support MTP function"  echo "          adb,     support adb function"  echo "          uvc,     support uvc function"  echo "          uvc,uac1 support uvc and uac1 function"  echo "example:"  echo "$name uvc"  echo ""}enable_hid() {    #keyboard    mkdir -p /sys/kernel/config/usb_gadget/g1/functions/hid.usb0    echo 2 > /sys/kernel/config/usb_gadget/g1/functions/hid.usb0/protocol    echo 1 > /sys/kernel/config/usb_gadget/g1/functions/hid.usb0/subclass    echo 3 > /sys/kernel/config/usb_gadget/g1/functions/hid.usb0/report_length    # '05 01 09 02 a1 01 09 01 a1 00 05 09 19 01 29 03 15 00 25 01 95 03 75 01 81 02 95 01 75 05 81 03 05 01 09 30 09 31 15 81 25 7f 75 08 95 02 81 06 c0 c0'    cat ./report_desc.bin > /sys/kernel/config/usb_gadget/g1/functions/hid.usb0/report_desc    ln -s /sys/kernel/config/usb_gadget/g1/functions/hid.usb0 /sys/kernel/config/usb_gadget/g1/configs/c.1/hid.usb0}enable_adb() {    [ -d /sys/kernel/config/usb_gadget/g1/functions/ffs.adb ] || {        mkdir /sys/kernel/config/usb_gadget/g1/functions/ffs.adb    }    echo "Tina ADB" > /sys/kernel/config/usb_gadget/g1/strings/0x409/product    ln -s /sys/kernel/config/usb_gadget/g1/functions/ffs.adb/ /sys/kernel/config/usb_gadget/g1/configs/c.1/ffs.adb    [ -d /dev/usb-ffs/adb ] || {        mkdir -p /dev/usb-ffs        mkdir /dev/usb-ffs/adb        mount -o uid=2000,gid=2000 -t functionfs adb /dev/usb-ffs/adb/    }}enable_mtp() {    mtp_name=mtp.gs0    mtp_ffs=false    kv=`uname -r`    kv=${kv:0:1}    if [ "x$kv" = "x5" ]; then        mtp_ffs=true        mtp_name=ffs.mtp    fi    [ -d /sys/kernel/config/usb_gadget/g1/functions/$mtp_name ] || {        mkdir /sys/kernel/config/usb_gadget/g1/functions/$mtp_name    }    if [ "x$mtp_ffs" = "xtrue" ]; then        [ -d /dev/usb-ffs/mtp ] || {            mkdir -p /dev/usb-ffs            mkdir /dev/usb-ffs/mtp            mount  -o rmode=0770,fmode=0660,uid=1024,gid=1024,no_disconnect=1 -t functionfs mtp /dev/usb-ffs/mtp/        }    fi    echo "Tina MTP" > /sys/kernel/config/usb_gadget/g1/strings/0x409/product    echo 1 > /sys/kernel/config/usb_gadget/g1/os_desc/use    ln -s /sys/kernel/config/usb_gadget/g1/functions/$mtp_name/ /sys/kernel/config/usb_gadget/g1/configs/c.1/$mtp_name    if [ "x$mtp_ffs" = "xtrue" ]; then        MtpTools -f connect        sleep .500    fi}uvc_create_format_frame(){    format=$1    name=$2    width=$3    height=$4    fps=$5    frame_index=$6        dir=/sys/kernel/config/usb_gadget/g1/functions/uvc.usb0/streaming/$format/$name/${height}p    mkdir -p $dir    echo $width > $dir/wWidth    echo $height > $dir/wHeight    echo $(($width * $height * 2 )) > $dir/dwMaxVideoFrameBufferSize    #30fps 333333    interval=$((10000000/$fps))    echo $interval > $dir/dwFrameInterval    echo $interval > $dir/dwDefaultFrameInterval    echo $(($width * $height * 2 * $fps * 8)) > $dir/dwMinBitRate    echo $(($width * $height * 2 * $fps * 8)) > $dir/dwMaxBitRate    echo $frame_index > $dir/bFrameIndex}enable_uvc(){    mkdir -p /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0        if [ -f "/tmp/set_uvc_function.sh" ]; then        echo "/tmp/set_uvc_function.sh exist!!!"        chmod a+x /tmp/set_uvc_function.sh        /tmp/set_uvc_function.sh        return    fi        cd /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0        uvc_create_format_frame mjpeg m 1920 1080 30 1    uvc_create_format_frame mjpeg m 1280 720 30 2    uvc_create_format_frame mjpeg m 640 480 30 3    uvc_create_format_frame mjpeg m 640 360 30 4        uvc_create_format_frame uncompressed u 1280 720 10 1    uvc_create_format_frame uncompressed u 640 480 30 2    uvc_create_format_frame uncompressed u 640 360 30 3        uvc_create_format_frame h264 h 1920 1080 30 1    uvc_create_format_frame h264 h 1280 720 30 2    uvc_create_format_frame h264 h 640 480 30 3    uvc_create_format_frame h264 h 640 360 30 4        uvc_create_format_frame nv12 n 1280 720 10 1    uvc_create_format_frame nv12 n 640 480 30 2    uvc_create_format_frame nv12 n 640 360 30 3    mkdir -p streaming/header/h    ln -s streaming/mjpeg/m/ streaming/header/h/    ln -s streaming/uncompressed/u/ streaming/header/h/    ln -s streaming/h264/h/ streaming/header/h/    ln -s streaming/nv12/n/ streaming/header/h/    ln -s streaming/header/h/ streaming/class/fs    ln -s streaming/header/h/ streaming/class/hs    mkdir -p control/header/h    ln -s control/header/h/ control/class/fs/    ln -s control/header/h/ control/class/ss/    #echo 3072 > streaming_maxpacket    ln -s /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0/ /sys/kernel/config/usb_gadget/g1/configs/c.1/}enable_uac1(){    mkdir -p /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0        if [ -f "/tmp/set_uac_function.sh" ]; then        echo "/tmp/set_uac_function.sh exist!!!"        chmod a+x /tmp/set_uac_function.sh        /tmp/set_uac_function.sh        return    fi        uac_func="both"    if [ $# -lt 1 ];then        uac_func="both"    else        uac_func=$1    fi        if [ "$uac_func" == "mic" ];then        echo 0x1 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/p_chmask        echo 0x0 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/c_chmask        echo 16000 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/p_srate        echo 0 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/c_srate        echo 2 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/c_ssize        echo 0 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/p_ssize    fi    if [ "$uac_func" == "spk" ];then        echo 0x0 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/p_chmask        echo 0x1 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/c_chmask        echo 0 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/p_srate        echo 16000 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/c_srate        echo 0 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/c_ssize        echo 2 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/p_ssize    fi    if [ "$uac_func" == "both" ];then        echo 0x1 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/p_chmask        echo 0x1 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/c_chmask        echo 16000 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/p_srate        echo 16000 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/c_srate        echo 2 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/c_ssize        echo 2 > /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/p_ssize    fi        echo "Tina UAC1" > /sys/kernel/config/usb_gadget/g1/strings/0x409/product    ln -s /sys/kernel/config/usb_gadget/g1/functions/uac1.usb0/ /sys/kernel/config/usb_gadget/g1/configs/c.1/uac1.usb0}udc_controller=`ls /sys/class/udc`set_usb_function() {# 1:function# 2:idVendor# 3:idProduct#  [ -e /sys/kernel/config/usb_gadget/g1/UDC ] && echo "none" > /sys/kernel/config/usb_gadget/g1/UDC;sleep 1  [ -d /sys/kernel/config/usb_gadget ] || {    mount -t configfs none /sys/kernel/config    mkdir /sys/kernel/config/usb_gadget/g1    mkdir /sys/kernel/config/usb_gadget/g1/strings/0x409    echo "Allwinner Technology Inc." > /sys/kernel/config/usb_gadget/g1/strings/0x409/manufacturer    echo "Tina" > /sys/kernel/config/usb_gadget/g1/strings/0x409/product  }  [ -d /sys/kernel/config/usb_gadget/g1/configs/c.1 ] || {    mkdir /sys/kernel/config/usb_gadget/g1/configs/c.1    echo 0xc0 > /sys/kernel/config/usb_gadget/g1/configs/c.1/bmAttributes    echo 500 > /sys/kernel/config/usb_gadget/g1/configs/c.1/MaxPower    mkdir /sys/kernel/config/usb_gadget/g1/configs/c.1/strings/0x409  }  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/ffs.adb  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/ffs.mtp  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/mtp.gs0  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/f1  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/rndis.usb0  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/uac1.usb0  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/accessory.usb0  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/hid.usb0  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/hid.usb1  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/loopback.usb0  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/gser.usb0  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/printer.usb0  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/uvc.usb0  rm -f /sys/kernel/config/usb_gadget/g1/configs/c.1/mass_storage.usb0  rm -rf /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0/streaming/header/h/  rm -rf /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0/streaming/class/fs  rm -rf /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0/streaming/class/hs  rm -rf /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0/control/class/fs/  rm -rf /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0/control/class/ss/  rm -rf /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0/streaming/mjpeg/  rm -rf /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0/streaming/mjpeg/  rm -rf /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0/streaming/uncompressed/  rm -rf /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0/streaming/nv12/    echo $2 > /sys/kernel/config/usb_gadget/g1/idVendor  echo $3 > /sys/kernel/config/usb_gadget/g1/idProduct  if [ $1 == "none" ]; then    return  elif [ $1 == "mtp" ]; then    enable_mtp  elif [ $1 == "adb" ]; then    enable_adb  elif [ $1 == "mass_storage" ]; then    [ -d /sys/kernel/config/usb_gadget/g1/functions/mass_storage.usb0 ] || {        mkdir /sys/kernel/config/usb_gadget/g1/functions/mass_storage.usb0        echo Tina > /sys/kernel/config/usb_gadget/g1/functions/mass_storage.usb0/lun.0/inquiry_string    }    ln -s /sys/kernel/config/usb_gadget/g1/functions/mass_storage.usb0/ /sys/kernel/config/usb_gadget/g1/configs/c.1/f1    echo "/dev/by-name/UDISK" > /sys/kernel/config/usb_gadget/g1/functions/mass_storage.usb0/lun.0/file  elif [ $1 == "uac1" ]; then    echo 0xef > /sys/kernel/config/usb_gadget/g1/bDeviceClass    echo 0x02 > /sys/kernel/config/usb_gadget/g1/bDeviceSubClass    echo 0x01 > /sys/kernel/config/usb_gadget/g1/bDeviceProtocol    echo "Tina UAC" > /sys/kernel/config/usb_gadget/g1/strings/0x409/product        #echo 0x013A > /sys/kernel/config/usb_gadget/g1/idProduct    #enable_uac1 mic        #echo 0x014A > /sys/kernel/config/usb_gadget/g1/idProduct    #enable_uac1 spk        #echo 0x012A > /sys/kernel/config/usb_gadget/g1/idProduct    enable_uac1 both  elif [ $1 == "uvc" ]; then    [ "$4" == "bulk" ] &&  {      echo Y > /sys/module/usb_f_uvc/parameters/bulk_streaming_ep    }    echo 0xef > /sys/kernel/config/usb_gadget/g1/bDeviceClass    echo 0x02 > /sys/kernel/config/usb_gadget/g1/bDeviceSubClass    echo 0x01 > /sys/kernel/config/usb_gadget/g1/bDeviceProtocol    echo "Tina UVC" > /sys/kernel/config/usb_gadget/g1/strings/0x409/product    #echo 0x150 > /sys/kernel/config/usb_gadget/g1/functions/uvc.usb0/control/header/h/bcdUVC    enable_uvc  elif [ $1 == "uvc,uac1" ]; then    echo N > /sys/module/usb_f_uvc/parameters/bulk_streaming_ep    echo 0xef > /sys/kernel/config/usb_gadget/g1/bDeviceClass    echo 0x02 > /sys/kernel/config/usb_gadget/g1/bDeviceSubClass    echo 0x01 > /sys/kernel/config/usb_gadget/g1/bDeviceProtocol    echo "Tina UVC-UAC" > /sys/kernel/config/usb_gadget/g1/strings/0x409/product    enable_uvc        #echo 0x003A > /sys/kernel/config/usb_gadget/g1/idProduct    #enable_uac1 mic        #echo 0x004A > /sys/kernel/config/usb_gadget/g1/idProduct    #enable_uac1 spk        #echo 0x002A > /sys/kernel/config/usb_gadget/g1/idProduct    enable_uac1 both  fi  echo $udc_controller > /sys/kernel/config/usb_gadget/g1/UDC}if [ $# -lt 1 ]; then  echo "Lack of arg!"  usage  exitfi# idVendor, idProduct only for testif [ $1 == "none" ]; then  set_usb_function none 0x1f3a 0x1001  returnfiif [ $1 == "adb" ]; then  set_usb_function adb 0x18d1 0xD002  returnfiif [ $1 == "mtp" ]; then  set_usb_function mtp 0x045E 0x00C9  returnfiif [ $1 == "uac1" ]; then  if [ $# == 3 ]; then    set_usb_function uac1 $2 $3  else    set_usb_function uac1 0x1d61 0x0101  fi  returnfiif [ $1 == "mass_storage" ]; then  set_usb_function mass_storage 0x1f3a 0x1000  returnfiif [ $1 == "uvc" ]; then  if [ "$2" == "bulk" ]; then    set_usb_function uvc 0x09a1 0x0026 bulk  else    set_usb_function uvc 0x09a1 0x0026  fi  returnfiif [ $1 == "uac1,uvc" -o $1 == "uvc,uac1" ]; then  #set_usb_function uvc,uac1 0x1943 0x2263  #set_usb_function uvc,uac1 0x09a1 0x0026  if [ $# == 3 ]; then    set_usb_function uvc,uac1 $2 $3  else    set_usb_function uvc,uac1 0x09a1 0x002A  fi  returnfi

来源地址：https://blog.csdn.net/u013905694/article/details/129707112