#!/bin/bash
PATH="/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin"

CWD=`pwd`

ID=`id -u`
if test $ID -ne "0"; then
        echo "Need to be root"
        exit
fi

#INSTALL JRE AND JAVA SERIAL I/O
apt-get install openjdk-7-jre librxtx-java 
update-java-alternatives --jre -s `update-java-alternatives -l | awk '/java-1.7/ { print $1 }'`

#INSTALL MPIDE (IF NOT ALREADY INSTALLED)
cd /opt
if test ! -d "mpide-0023-raspberrypi-20130920"; then
        wget http://chipkit.s3.amazonaws.com/builds/mpide-0023-raspberrypi-20130920.tgz
        tar zxvf mpide-0023-raspberrypi-20130920.tgz
        rm -f mpide-0023-raspberrypi-20130920.tgz
fi
cd $CWD

#LINK MPIDE IN PATH
ln -sf /opt/mpide-0023-raspberrypi-20130920/mpide /usr/local/bin/mpide

#SETUP TTYS0 FOR MPIDE ON REBOOT
echo "ln -f /dev/ttyAMA0 /dev/ttyS0" >> /etc/rc.local

#SETUP TTYAMA0 FOR MPIDE ON REBOOT
if test ! -f "/boot/cmdline.txt.bak"; then
        cp /boot/cmdline.txt /boot/cmdline.txt.bak
fi
C=`awk '{ for (i = 1; i <= NF; ++i) { if ($i !~ /ttyAMA0/) { printf $i" " } } printf "\n" }' /boot/cmdline.txt`
echo $C > /boot/cmdline.txt

echo "NOW REBOOT."