MultiLIRC
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WORK IN PROGRESS
Multiple LIRC remotes on the same system
Recent versions of lirc allow the use of multiple remotes on the same system. All you need to do is to keep the config files and device names straight.
For example:
/usr/local/sbin/lircd --pidfile=/var/run/lirc_myth.pid --output=/dev/myth/lirc --driver=devinput --device=/dev/myth/remote /etc/lirc/lircd.d/myth.conf
I've hacked up the standard debian lirc init script to automagically start multiple remotes.
First of all, go into /etc/lirc
yan@selene:~$ ls /etc/lirc hardware.conf lircd.conf lirc-modules-source.conf lircrc lircd.conf.dpkg lircmd.conf lirc-modules-source.conf.ucf-old
Now create two directories, hardware.d and lircd.d and move hardware.conf and lircd.conf into them:
yan@selene:~$ ls /etc/lirc hardware.d lircd.d lirc-modules-source.conf lircrc lircd.conf.dpkg lircmd.conf lirc-modules-source.conf.ucf-old
yan@selene:/etc/lirc$ ls /etc/lirc/hardware.d/ kitchen.conf myth.conf yan@selene:/etc/lirc$ ls /etc/lirc/lircd.d/ kitchen.conf myth.conf
As you can see I have two separate remotes with myth running on separate heads.
# /etc/lirc/hardware.d/myth.conf # # Arguments which will be used when launching lircd # lircd --driver=devinput --device=/dev/myth/remote --output=/dev/myth/lirc \ # --pidfile=/var/run/lirc_myth.pid LIRCD_ARGS="" START_LIRCD=true #Don't start lircmd even if there seems to be a good config file START_LIRCMD=false #Don't start irexec, even if a good config file seems to exist. START_IREXEC=false #Try to load appropriate kernel modules LOAD_MODULES=true # Run "lircd --driver=help" for a list of supported drivers. DRIVER="devinput" # If DEVICE is set to /dev/lirc and udev is in use /dev/lirc0 will be # automatically used instead DEVICE="/dev/myth/remote" MODULES="" # Default configuration files for your hardware if any LIRCD_CONF="/etc/lirc/lircd.d/myth.conf" LIRCMD_CONF="" OUTPUT="/dev/myth/lirc" PIDFILE="/var/run/lirc_myth.pid"
You will need to patch lirc source to get the lirc client lib to get the device name from the environment:
--- lirc-0.8.4a/tools/lirc_client.c 2008-05-20 11:54:37.000000000 -0700
+++ lirc-0.8.4a-ys/tools/lirc_client.c 2009-02-01 15:59:44.000000000 -0800
@@ -142,7 +142,9 @@
}
addr.sun_family=AF_UNIX;
- strcpy(addr.sun_path,LIRCD);
+ if (getenv("LIRCD") == NULL) strcpy(addr.sun_path,LIRCD);
+ /* BUFFER OVERRUN WARNING */
+ else strncpy(addr.sun_path,getenv("LIRCD"),127);
lirc_lircd=socket(AF_UNIX,SOCK_STREAM,0);
if(lirc_lircd==-1)
{
And finally replace the lirc file in init.d:
#! /bin/sh
### BEGIN INIT INFO
# Provides: lirc
# Required-Start: $remote_fs $syslog
# Required-Stop: $remote_fs $syslog
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: Starts LIRC daemon.
# Description: LIRC is used to control different
# infrared receivers and transceivers.
### END INIT INFO
LIRCD=/usr/local/sbin/lircd
LIRCMD=/usr/local/sbin/lircmd
IREXEC=/usr/local/sbin/irexec
load_modules ()
{
MODULES_MISSING=false
for mod in $*
do
modprobe $mod 2> /dev/null || MODULES_MISSING=true
done
if [ "$MODULES_MISSING" = true ]; then
echo "#####################################################"
echo "## I couldn't load the required kernel modules ##"
echo "## You should install lirc-modules-source to build ##"
echo "## kernel support for your hardware. ##"
echo "#####################################################"
echo "## If this message is not appropriate you may set ##"
echo "## LOAD_MODULES=false in /etc/lirc/hardware.conf ##"
echo "#####################################################"
START_LIRCMD=false
START_LIRCD=false
fi
unset -v MODULES_MISSING
# avoid a hard dependency or a flag day between udev versions
if [ -x /sbin/udevadm ]; then
# udev >= 0.117
udevadm settle || echo "timeout waiting for devices to be ready"
elif [ -x /sbin/udevsettle ]; then
# udev < 0.117
udevsettle || echo "timeout waiting for devices to be ready"
fi
}
build_args ()
{
ARGS="$*"
## Try to find an lirc device.
## udev uses /dev/lirc0
## static dev uses /dev/lirc
if [ -z "$DEVICE" ]; then
for dev in /dev/lirc0 /dev/lirc; do
if [ -c $dev ]; then
DEVICE="$dev"
break
fi
done
fi
if [ -n "$DEVICE" ] && [ "$DEVICE" != "none" ]; then
ARGS="--device=$DEVICE $ARGS"
fi
if [ -n "$DRIVER" ] && [ "$DRIVER" != "none" ]; then
ARGS="--driver=$DRIVER $ARGS"
fi
if [ -n "$OUTPUT" ] && [ "$OUTPUT" != "none" ]; then
ARGS="--output=$OUTPUT $ARGS"
fi
if [ -n "$PIDFILE" ] && [ "$PIDFILE" != "none" ]; then
ARGS="--pidfile=$PIDFILE $ARGS"
fi
if [ -n "$LIRCD_CONF" ] && [ "$LIRCD_CONF" != "none" ]; then
ARGS="$ARGS $LIRCD_CONF"
fi
echo $ARGS
unset -v ARGS
}
test -f $LIRCD || exit 0
#test -f /usr/sbin/lircmd || exit 0
#test -f /etc/lirc/lircd.conf || exit 0
#test -f /etc/lirc/lircmd.conf || exit 0
START_LIRCMD=true
START_LIRCD=true
START_IREXEC=true
check_config()
{
if [ -f /etc/lirc/UNCONFIGURED ]; then
echo "##################################################"
echo "## LIRC IS NOT CONFIGURED ##"
echo "## ##"
echo "## read /usr/share/doc/lirc/html/configure.html ##"
echo "##################################################"
START_LIRCD=false
START_LIRCMD=false
START_IREXEC=false
fi
}
start()
{
if [ "$LOAD_MODULES" = "true" ] && [ "$START_LIRCD" = "true" ]; then
load_modules $MODULES
fi
echo -n "Starting lirc daemon:"
if [ "$START_LIRCD" = "true" ]; then
echo -n " lircd"
LIRCD_ARGS=`build_args $LIRCD_ARGS`
start-stop-daemon --start --quiet --exec $LIRCD -- $LIRCD_ARGS \
< /dev/null
fi
if [ "$START_LIRCMD" = "true" ]; then
echo -n " lircmd"
start-stop-daemon --start --quiet --exec $LIRCMD \
< /dev/null
fi
if [ "$START_IREXEC" = "true" ]; then
echo -n " irexec"
start-stop-daemon --start --quiet --exec $IREXEC -- -d /etc/lirc/lircrc \
< /dev/null
fi
echo "."
}
clean()
{
unset LIRCD_ARGS
unset START_LIRCMD
unset START_IREXEC
unset LOAD_MODULES
unset DRIVER
unset DEVICE
unset MODULES
unset LIRCD_CONF
unset LIRCMD_CONF
}
case "$1" in
start)
for hconf in /etc/lirc/hardware.d/*.conf ; do
echo starting $hconf
. $hconf
check_config
build_args
start
clean
done
echo "."
;;
stop)
echo -n "Stopping lirc daemon:"
echo -n " irexec"
start-stop-daemon --stop --quiet --exec $IREXEC
echo -n " lircmd"
start-stop-daemon --stop --quiet --exec $LIRCD
echo -n " lircd"
start-stop-daemon --stop --quiet --exec $LIRCMD
echo "."
;;
reload|force-reload)
if [ "$START_IREXEC" = "true" ]; then
start-stop-daemon --stop --quiet --signal 1 --exec $IREXEC
fi
if [ "$START_LIRCD" = "true" ]; then
start-stop-daemon --stop --quiet --signal 1 --exec $LIRCD
fi
if [ "$START_LIRCMD" = "true" ]; then
start-stop-daemon --stop --quiet --signal 1 --exec $LIRCMD
fi
;;
restart)
$0 stop
$0 start
;;
*)
echo "Usage: /etc/init.d/lircd {start|stop|reload|restart|force-reload}"
exit 1
esac
exit 0
Now to use it all, just add the name of the lirc device to the environemnt. This name has to match the OUTPUT var in the hardware.d/XXX.conf file; so for the example above you could use
LIRCD=/dev/myth/lirc mythfrontend
and that's all there is to it....
