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#!/sbin/openrc-run
start() {
if [ -z "${can_speed}" -o -z "${tty_baud}" -o -z "${tty_device}" -o -z "${can_device}" ]; then
eerror "CAN speed, CAN device, tty_baud or tty_device not set"
return 1
fi
if ! grep -q slcan /proc/modules; then
einfo "Loading module slcan"
modprobe slcan || return 1
fi
ebegin "Creating can0 at speed ${can_speed} on device ${tty_device}"
einfo "Setting baudrate of ${tty_device} to ${tty_baud}"
stty -F /dev/${tty_device} ${tty_baud} line 0 cs8 -onlcr -echo raw min 100 time 2
sleep 1
einfo "Set bitrate of slcan on ${tty_device} to ${can_speed}: "
echo -e -n "C\rF\r${can_speed}\rO\r" > /dev/${tty_device}
sleep 1
einfo "Starting slcand"
start-stop-daemon --start --background --make-pidfile \
--pidfile /var/run/slcand.pid \
--exec /usr/bin/slcand -- ${tty_device} ${can_device}
sleep 1
ifconfig ${can_device} up
eend $?
}
stop() {
ebegin "Stopping slcand"
start-stop-daemon --stop --quiet --pidfile /var/run/slcand.pid
sleep 1
rmmod slcan
eend $?
}
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