#!/bin/sh
## This script dynamically loads the visor module, uses pilot-xfer to synchronize or install files, and unloads the visor module
## author: Andrew Ittner andrew.ittner@usa.net
## $LastChangedDate: 2008-11-07 11:11:08 -0800 (Fri, 07 Nov 2008) $
## NOTES:
# assumes that the visor module has been blacklisted (/etc/modprobe.d/blacklist) or is NOT IN USE by another program (i.e. VMWare)
# see the ## CONSTANTS ## section for what to change for this script

# must have one and only one parameter
if [ -z $1 ]
then
    echo "proper usage: $0 -i (install) OR -s (sync)"
    exit 1
fi

## CONSTANTS ##
# install: where files to install exist
dirinstall=~/dl/palmos/toinstall
# backup: where to place backed-up files
dirbackup=~/data/t5backup

t5install() {
	# switch extensions to lowercase
	mmv -r "*.*" "#1.#l2"
	# check if /dev/ttyUSB# is available
	ls -lXgohF --color=auto /dev/ttyU*
	# transfer *.p?? files to T5
	pilot-xfer -i $dirinstall/*.p??
	# TODO: return pilot-xfer error
}

t5sync() {
	# check if /dev/ttyUSB# is available
	ls -lXgohF --color=auto /dev/ttyU*
	## backup T5 to /home/aji/data/t5backup
	echo "synchronizing T5 to $dirbackup"
	pilot-xfer -s $dirbackup
	# TODO: return pilot-xfer error
}

# get kernel version
varuname=$(uname -r)
echo "kernel version: $varuname; /lib/modules/$varuname/kernel/etc..."

# check if usbserial module loaded
lsmod|grep -i 'usbserial'
varCheck=$?
# if lsmod failed, then must load usbserial module for visor module to work properly (apparently doesn't load it automagically)
if [ "$varCheck" -ne 0 ]
then
	echo '-=-WARNING: usbserial module not loaded.-=-'
	echo '-=-Must be ROOT to insert usbserial module.-=-'
	sudo insmod /lib/modules/$varuname/kernel/drivers/usb/serial/usbserial.ko # to prevent unknown symbols errors
	# TODO: check if insmod worked...
	varresult=$?
	if [ "$varresult" -ne 0 ]
	then
		echo "insmod usbserial failed"
	else
		echo "insmod usbserial succeeded"
	fi
fi

# check if visor module loaded
lsmod|grep -i 'visor'
varCheck=$?
if [ "$varCheck" -ne 0 ]
then
	echo '-=-WARNING: visor module not loaded.-=-'
	echo '-=-Must be ROOT to insert visor module.-=-'
	sudo insmod /lib/modules/$varuname/kernel/drivers/usb/serial/visor.ko # insmod /lib/modules/2.6.12-9-amd64-generic/kernel/drivers/usb/serial/visor.ko
	# check if insmod worked...
	varresult=$?
	if [ "$varresult" -ne 0 ]
	then
		echo "insmod visor failed"
	else
		echo "insmod visor succeeded"
	fi
fi

echo -e "\nStart Hotsync on your PDA"
sleep 2s
echo -e "Press [enter] when ready"
read var1
# sync (backup) or install?
varActionParam=$1
case "$varActionParam" in
  "-i")
    echo "action: INSTALL"
    t5install;;
  "-s")
    echo "action: SYNC"
    t5sync;;
  *)
    echo "$varActionParam is not supported; exiting"
    exit 2;;
esac

varResult=$?
echo "Result: $varResult"

# remove visor module
sudo rmmod visor
echo "rmmod visor returned $?"

# TODO: ask to remove all *.p?? files from ~/dl/palmos/toinstall/

exit 0