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usb: device: add usb device configfs script

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including start/stop, mass storage disk img create and
delete script.

Signed-off-by: minda.chen <minda.chen@starfivetech.com>
This commit is contained in:
minda.chen
2022-08-25 09:01:36 +08:00
parent 01663815ca
commit 7d2bd84b94
2 changed files with 141 additions and 0 deletions
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package/android-tools/android-tools.mk
+1
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@@ -89,6 +89,7 @@ endef
define ANDROID_TOOLS_INSTALL_TARGET_CMDS
$(foreach t,$(ANDROID_TOOLS_TARGETS),\
$(INSTALL) -D -m 0755 package/android-tools/usb_device.sh $(TARGET_DIR)/root/ && \
$(INSTALL) -D -m 0755 $(@D)/build-$(t)/$(t) $(TARGET_DIR)/usr/bin/$(t)$(sep))
endef
package/android-tools/usb_device.sh
+140
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@@ -0,0 +1,140 @@
#!/bin/sh
mass_storage_create()
{
mkdir -p /var/sdcard/sda
cd /var/sdcard
dd if=/dev/zero of=/var/sdcard/disk.img bs=1M count=$1
mkdosfs -F 32 disk.img
}
mass_storage_delete()
{
echo "" > /sys/kernel/config/usb_gadget/mass_storage/functions/mass_storage.0/lun.0/file
umount /var/sdcard/sda
rm -rf /var/sdcard/disk.img
}
mass_storage_start()
{
cd /sys/kernel/config/usb_gadget
mkdir -p mass_storage
cd mass_storage
echo 0x0300 > bcdUSB
echo "0x1d6b" > idVendor
echo "0x1100" > idProduct
mkdir -p strings/0x409
echo "01234567" > strings/0x409/serialnumber
echo "starfive" > strings/0x409/manufacturer
echo "udisk" > strings/0x409/product
mkdir -p configs/config.1
echo 120 > configs/config.1/MaxPower
mkdir -p configs/config.1/strings/0x409
echo "mass_storage" > configs/config.1/strings/0x409/configuration
sleep 1
mkdir -p functions/mass_storage.0
echo "/var/sdcard/disk.img" > functions/mass_storage.0/lun.0/file
echo 1 > functions/mass_storage.0/lun.0/removable
echo 0 > functions/mass_storage.0/lun.0/nofua
ln -s functions/mass_storage.0 configs/config.1
sleep 1
echo `ls /sys/class/udc` > UDC
}
mass_storage_stop()
{
cd /sys/kernel/config/usb_gadget/mass_storage
echo "" > UDC
echo "" > functions/mass_storage.0/lun.0/file
umount /var/sdcard/sda
rm -rf configs/config.1/mass_storage.0
echo "" > configs/config.1/strings/0x409/configuration
}
mass_storage_process()
{
case "$1" in
start)
mass_storage_start
;;
stop)
mass_storage_stop
;;
create)
mass_storage_create $2
;;
delete)
mass_storage_delete
;;
esac
}
adb_start()
{
cd /sys/kernel/config/usb_gadget
mkdir -p adb
cd adb
echo 0x0300 > bcdUSB
echo "0x1d6b"> idVendor
echo "0x1100" > idProduct
mkdir -p strings/0x409
echo "76543210" > strings/0x409/serialnumber
echo "starfive" > strings/0x409/manufacturer
echo "adb_device" > strings/0x409/product
mkdir -p configs/config.1
echo 120 > configs/config.1/MaxPower
mkdir -p configs/config.1/strings/0x409
echo "adb" > configs/config.1/strings/0x409/configuration
sleep 1
mkdir functions/ffs.adb
ln -s functions/ffs.adb configs/config.1
mkdir -p /dev/usb-ffs/adb
mount -o uid=2000,gid=2000 -t functionfs adb /dev/usb-ffs/adb
adbd &
sleep 1
echo `ls /sys/class/udc` > UDC
}
adb_stop()
{
echo "" > /sys/kernel/config/usb_gadget/adb/UDC
killall adbd
sleep 1
umount adb
cd /sys/kernel/config/usb_gadget/adb
rm -rf configs/config.1/ffs.adb
rm -rf functions/ffs.adb/
echo "" > configs/config.1/strings/0x409/configuration
}
adb_process()
{
case "$1" in
start)
adb_start
;;
stop)
adb_stop
;;
esac
}
CONFIGFS=`mount | grep configfs`
if [ "$CONFIGFS" == "" ]
then
mount -t configfs none /sys/kernel/config/
fi
case "$1" in
adb)
adb_process $2
;;
mass_storage)
mass_storage_process $2 $3
;;
*)
echo "Usage: $0 {adb|mass_storage} {*}"
exit 1
esac