44 lines
1.2 KiB
Bash
Executable File
44 lines
1.2 KiB
Bash
Executable File
#! /bin/sh
|
|
|
|
[ "$SUBSYSTEM" -ne "tty" ] && exit 0
|
|
if [ -z "$MAJOR" ] || [ -z "$MINOR" ]; then
|
|
exit 0
|
|
fi
|
|
|
|
MAJOR_HEX=$(echo $(printf %2x "$MAJOR"))
|
|
MINOR_HEX=$(echo $(printf %2x "$MINOR"))
|
|
|
|
# env | while read line; do
|
|
# logger -t "$0" "$line"
|
|
# done
|
|
|
|
case "$ACTION" in
|
|
add)
|
|
dev_root="/sys/$DEVPATH/../../../../"
|
|
itf_root="/sys/$DEVPATH/../../../"
|
|
vid="$(cat $dev_root/idVendor 2> /dev/null)"
|
|
pid="$(cat $dev_root/idProduct 2> /dev/null)"
|
|
serial="$(cat $dev_root/serial 2> /dev/null)"
|
|
[ -z "$serial" ] && serial='0'
|
|
itf="$(cat $itf_root/bInterfaceNumber 2> /dev/null)"
|
|
dev_name="${vid}_${pid}_${serial}_${itf}"
|
|
dev_file="/dev/uart/$dev_name"
|
|
logger -t "$0" "creating device: $dev_file"
|
|
mknod "$dev_file" c "$MAJOR" "$MINOR"
|
|
;;
|
|
|
|
remove)
|
|
removed_major_minor="$MAJOR_HEX:$MINOR_HEX"
|
|
|
|
for f in /dev/uart/*; do
|
|
file_major_minor="$(stat -c %t:%T "$f")"
|
|
#logger -t "$0" "$f | $removed_major_minor | $file_major_minor"
|
|
|
|
if [ "$file_major_minor" = "$removed_major_minor" ]; then
|
|
logger -t "$0" "removing device: $f"
|
|
rm -f "$f"
|
|
fi
|
|
done
|
|
;;
|
|
esac
|