#!/bin/bash
if [ $# -lt 2 ]; then
	printf "Wrong Usage:\n1...Pin Number\n2...set/reset\n3...0/1\n"
	exit 0
fi
printf "Pin: $1\nMode: $2\nValue: $3\n" 
pin=$1
#choose Pin $pin
if [ "$2" == "reset" ]; then
	#reset Pin 17
	printf "Reset Pin $pin\n"
	echo "$pin" > /sys/class/gpio/unexport
elif [ "$2" == "set" ]; then
	if [ $# -ne 3 ]; then 
		printf "Set Pin requires: PinNumber, Set, Value\n"
		exit 0
	fi
	echo "$pin" > /sys/class/gpio/export
	#set direction of GPIO Pin
	echo "out" > /sys/class/gpio/gpio$pin/direction
	#set Value of GPIO Pin (0,1)
	echo "$3" > /sys/class/gpio/gpio$pin/value
fi