#!/bin/sh
#
# Advantech IAG eAutomation PCI-954/16C950 device node utility
#


TTYNAME="$1"
MAJOR="$2"
TTYNUM="$3"

if [ "$1" = "" ] ; then
	echo "Invalid TTYNAME"
	exit 1
fi
if [ "$2" = "" ] ; then
	echo "Invalid MAJOR number"
	exit 2
fi
if [ "$3" = "" ] ; then
	echo "Invalid tty number"
	exit 3
fi
#echo "TTYNAME is $TTYNAME"
if [ $TTYNAME = "ttap" ] ; then
	[ -d /dev/$TTYNAME ] && rm -rf /dev/$TTYNAME
	mkdir /dev/$TTYNAME
fi
if [ $TTYNAME = "ttac" ] ; then
	[ -d /dev/$TTYNAME ] && rm -rf /dev/$TTYNAME
	mkdir /dev/$TTYNAME
fi

port=0
minor=0
while [ $port -lt $TTYNUM ]
	do
		mport=`expr $port`

		if [ $TTYNAME = "ttap" ] ; then
 			#[ -d /dev/$TTYNAME ] && rm -rf /dev/$TTYNAME
 			#mkdir /dev/$TTYNAME
                        ttydev=/dev/$TTYNAME/$mport
		fi		
		if [ $TTYNAME = "ttyAP" ] ; then
			[ -c /dev/$TTYNAME$mport ] && rm -rf /dev/$TTYNAME$mport
			ttydev=/dev/$TTYNAME$mport
		fi
		if [ $TTYNAME = "ttac" ] ; then
			#[ -d /dev/$TTYNAME ] && rm -rf /dev/$TTYNAME
			#mkdir /dev/$TTYNAME
			ttydev=/dev/$TTYNAME/$mport
		fi
		if [ $TTYNAME = "ttyAC" ] ; then
			[ -c /dev/$TTYNAME$mport ] && rm -rf /dev/$TTYNAME$mport
			ttydev=/dev/$TTYNAME$mport
		fi

		mknod $ttydev c $MAJOR $minor
		chmod a+wx $ttydev

		port=`expr $port + 1`
		minor=`expr $minor + 1`
done