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|
disableUsbDevice(){
#disable usb
[ -f "/sys/devices/sunxi_usb/usb_role" ] || return 1
echo 0 > "/sys/devices/sunxi_usb/usb_role"
}
switchToUsbDevice(){
[ -f "/sys/devices/sunxi_usb/usb_role" ] || return 1
disableUsbDevice
# enable device mode
echo 2 > "/sys/devices/sunxi_usb/usb_role"
# make sure the usb gadgets are disabled
echo 0 > "/sys/devices/virtual/android_usb/android0/enable"
}
switchToUsbHost(){
[ -f "/sys/devices/sunxi_usb/usb_role" ] || return 1
# make sure the usb gadgets are disabled
[ -f "/sys/devices/virtual/android_usb/android0/enable" ] && \
echo 0 > "/sys/devices/virtual/android_usb/android0/enable"
disableUsbDevice
# enable host mode
echo 1 > "/sys/devices/sunxi_usb/usb_role"
}
getUsbStorageIds(){
find "/dev/bus/usb" -type c | while read device
do
hexdump -n 1 -s 32 "$device" -C | grep -e '^00000020 08' && echo "$device"
done
}
waitForStorageDevice(){
local blockDevice="$1"
[ -z "$timeout" ] && local timeout=5
while [ $timeout -gt 0 ] && ! [ -b "$blockDevice" ]; do
echo "waiting for $blockDevice $timeout"
let timeout=timeout-1
sleep 1
done
[ -b "$blockDevice" ]
}
waitForUsbDevice(){
[ -z "$(getUsbStorageIds)" ] && return 1
waitForStorageDevice ${1+"$@"}
}
waitForMmcDevice(){
[ -f "/key-file" ] && return 1
waitForStorageDevice ${1+"$@"}
}
checkStorageDevice(){
local blockDevice="$1"
[ -b "$blockDevice" ] || return 1
local ro="defaults,nosuid,nodev,noatime,ro"
local rw="defaults,nosuid,nodev,noatime,rw"
local saves="$modname/saves"
if ! [ "$cfg_usb_rw" == "y" ]; then
mount -o $ro "$blockDevice" "$mountpoint/media" || return 1
fi
local need_repair=""
[ -d "$mountpoint/media/$games" ] && ! [ -z "$(find $mountpoint/media/$games -name .repair.flag -maxdepth 2)" ] && need_repair=y
if [ -d "$mountpoint/media/$saves" ] || [ -d "$mountpoint/media/$modname/transfer" ] || [ "$cfg_usb_rw" == "y" ] || [ "$need_repair" == "y" ]; then
umount "$mountpoint/media" 2>/dev/null
mount -o $rw "$blockDevice" "$mountpoint/media" || return 1
fi
if ! [ -d "$mountpoint/media/$modname" ]; then
umount "$mountpoint/media"
return 1
fi
[ -d "$mountpoint/media/$saves" ] && mount_bind "$mountpoint/media/$saves" "$mountpoint$profilepath"
local bootlogo0="boot.png"
local bootlogo1="$mountpoint/media/$modname/$bootlogo0"
local bootlogo2="$rootfs/etc/$bootlogo0"
if [ -f "$bootlogo1" ]; then
rsync -ac "$bootlogo1" "$bootlogo2"
showImage "$bootlogo2"
cfg_boot_logo=''
else
[ -f "$bootlogo2" ] && rm -f "$bootlogo2" && source "$preinit.d/p7010_bootlogo"
fi
local bootsound0="boot.wav"
local bootsound1="$mountpoint/media/$modname/$bootsound0"
local bootsound2="$rootfs/etc/$bootsound0"
if [ -f "$bootsound1" ]; then
[ -f "$bootsound2" ] || playSound "$bootsound1"
rsync -ac "$bootsound1" "$bootsound2"
else
rm -f "$bootsound2"
fi
return 0
}
checkExtStorage(){
local di
local d
local p
local timeout=5
local blockDevice="/dev/sd"
waitForUsbDevice "${blockDevice}a1"
for di in $(seq 97 99); do
d="$(printf "\\$(printf %o $di)\n")"
for p in $(seq 1 9); do
checkStorageDevice "$blockDevice$d$p" && return 0
done
done
[ $timeout -gt 2 ] && timeout=2
blockDevice="/dev/mmcblk0p"
waitForMmcDevice "${blockDevice}1"
for p in $(seq 1 9); do
checkStorageDevice "$blockDevice$p" && return 0
done
return 1
}
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