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#!/bin/zsh
#
# mur.sat
#
# Somewhen in the year 2011, mur.at will have a nano satellite launched
# into a low earth orbit (310 km above the surface of our planet). The
# satellite itself is a TubeSat personal satellite kit, developed and
# launched by interorbital systems. mur.sat is a joint venture of mur.at,
# ESC im Labor and realraum.
#
# Please visit the project hompage at sat.mur.at for further information.
#
#
# Copyright (C) 2011 Bernhard Tittelbach <xro@realraum.at>
#
# This file is part of mur.sat.
#
# mur.sat is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# any later version.
#
# mur.sat is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with mur.sat. If not, see <http://www.gnu.org/licenses/>.
#
setopt extendedglob
function killchilds
{
for childspec (${jobstates}) print kill ${${childspec[(s/:/w)5]}%%\=*};
}
typeset -i DURATION=${1:-10}
CMD="play -n synth $DURATION"
while true; do
read -k 1 DIGIT
case $DIGIT in
1) ${=CMD} sin 697 sin 1209 & ;;
2) ${=CMD} sin 697 sin 1336 & ;;
3) ${=CMD} sin 697 sin 1477 & ;;
4) ${=CMD} sin 770 sin 1209 & ;;
5) ${=CMD} sin 770 sin 1336 & ;;
6) ${=CMD} sin 770 sin 1477 & ;;
7) ${=CMD} sin 852 sin 1209 & ;;
8) ${=CMD} sin 852 sin 1336 & ;;
9) ${=CMD} sin 852 sin 1477 & ;;
0) ${=CMD} sin 941 sin 1336 & ;;
'*') ${=CMD} sin 941 sin 1209 & ;;
'#') ${=CMD} sin 941 sin 1477 & ;;
a) ${=CMD} sin 697 sin 1633 & ;;
b) ${=CMD} sin 770 sin 1633 & ;;
c) ${=CMD} sin 852 sin 1633 & ;;
d) ${=CMD} sin 941 sin 1633 & ;;
s) killchilds ;;
' ') killchilds ;;
q) killchilds; exit 0 ;;
esac
done
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