Mit der alten Chassis hat das Raspberry Car wenig Möglichkeiten gehabt. Der Servo, den ich für die Lenkung verbaut hatte, ist nicht genau genug und zu schwach. Die Reifen sind aus relativ hartem Plastik und haben auf Teppichböden so viel Widerstand, dass der Motor es nicht mehr antreiben kann. Also muss etwas Neues her. Aber was?
Raspberry Car Version 2 Vorwort und Overview weiterlesen
Schlagwort: autostart
openHab als Deamon starten
Um openHab als Deamon auf dem Raspberry zu starten und somit die Erreichbarkeit des Smart Homes zu garantieren, wird ein Init-Script benötig. Leider bringt openHab ein solches Script nicht von Haus aus mit. In einer Google Gruppe hat Thomas Brettinger ein Script gepostet, mit dem er diese Funktion ermöglicht hat. Dieses Script habe ich als Vorlage benutzt und folgende Zeilen angepasst:
Zeile 24: Korrektur des Pfades
Zeile 26: Benutzer verändertUm openHab dem Autostart hinzuzufügen fehlt noch folgender Befehl:
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sudo update-rc.d openhab defaults |
Hier das auf mein System angepasste Script:
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#! /bin/sh ### BEGIN INIT INFO # Provides: openhab # Required-Start: $remote_fs $syslog # Required-Stop: $remote_fs $syslog # Default-Start: 2 3 4 5 # Default-Stop: 0 1 6 # Short-Description: OpenHAB Daemon ### END INIT INFO # Author: Thomas Brettinger # Edited by Johannes Petz # Do NOT "set -e" # PATH should only include /usr/* if it runs after the mountnfs.sh script PATH=/sbin:/usr/sbin:/bin:/usr/bin DESC="Open Home Automation Bus Daemon" NAME=openhab DAEMON=/usr/bin/java PIDFILE=/var/run/$NAME.pid SCRIPTNAME=/etc/init.d/$NAME ECLIPSEHOME="/home/pi/openhab"; TELNETPORT=5555 RUN_AS=pi # get path to equinox jar inside $eclipsehome folder cp=$(find $ECLIPSEHOME/server -name "org.eclipse.equinox.launcher_*.jar" | sort | tail -1); DAEMON_ARGS="-Dosgi.clean=true -Declipse.ignoreApp=true -Dosgi.noShutdown=true -Djetty.port=8080 -Djetty.port.ssl=8443 -Djetty.home=$ECLIPSEHOME -Dlogback.configurationFile=$ECLISEHOME/configurations/logback.xml -Dfelix.fileinstall.dir=$ECLIPSEHOME/addons -Djava.library.path=$ECLIPSEHOME/lib -Djava.security.auth.login.config=$ECLIPSEHOME/etc/login.conf -Dorg.quartz.properties=$ECLIPSEHOME/etc/quartz.properties -Djava.awt.headless=true -jar $cp -console ${TELNETPORT}" # Exit if the package is not installed [ -x "$DAEMON" ] || exit 0 # Read configuration variable file if it is present [ -r /etc/default/$NAME ] && . /etc/default/$NAME # Load the VERBOSE setting and other rcS variables . /lib/init/vars.sh # Define LSB log_* functions. # Depend on lsb-base (>= 3.2-14) to ensure that this file is present # and status_of_proc is working. . /lib/lsb/init-functions # # Function that starts the daemon/service # do_start() { cd $ECLIPSEHOME # Return # 0 if daemon has been started # 1 if daemon was already running # 2 if daemon could not be started start-stop-daemon --start --quiet --make-pidfile --pidfile $PIDFILE --exec $DAEMON --test > /dev/null \ || return 1 start-stop-daemon --start --quiet --background --make-pidfile --pidfile $PIDFILE --chuid $RUN_AS --chdir $ECLIPSEHOME --exec $DAEMON -- $DAEMON_ARGS \ || return 2 # Add code here, if necessary, that waits for the process to be ready # to handle requests from services started subsequently which depend # on this one. As a last resort, sleep for some time. } # # Function that stops the daemon/service # do_stop() { # Return # 0 if daemon has been stopped # 1 if daemon was already stopped # 2 if daemon could not be stopped # other if a failure occurred start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile $PIDFILE --name $NAME RETVAL="$?" [ "$RETVAL" = 2 ] && return 2 # Wait for children to finish too if this is a daemon that forks # and if the daemon is only ever run from this initscript. # If the above conditions are not satisfied then add some other code # that waits for the process to drop all resources that could be # needed by services started subsequently. A last resort is to # sleep for some time. start-stop-daemon --stop --quiet --oknodo --retry=0/30/KILL/5 --exec $DAEMON [ "$?" = 2 ] && return 2 # Many daemons don't delete their pidfiles when they exit. rm -f $PIDFILE return "$RETVAL" } # # Function that sends a SIGHUP to the daemon/service # do_reload() { # # If the daemon can reload its configuration without # restarting (for example, when it is sent a SIGHUP), # then implement that here. # do_stop sleep 1 do_start return 0 } case "$1" in start) [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME" do_start case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; stop) [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME" do_stop case "$?" in 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; esac ;; status) status_of_proc "$DAEMON" "$NAME" && exit 0 || exit $? ;; #reload|force-reload) # # If do_reload() is not implemented then leave this commented out # and leave 'force-reload' as an alias for 'restart'. # #log_daemon_msg "Reloading $DESC" "$NAME" #do_reload #log_end_msg $? #;; restart|force-reload) # # If the "reload" option is implemented then remove the # 'force-reload' alias # log_daemon_msg "Restarting $DESC" "$NAME" do_stop case "$?" in 0|1) do_start case "$?" in 0) log_end_msg 0 ;; 1) log_end_msg 1 ;; # Old process is still running *) log_end_msg 1 ;; # Failed to start esac ;; *) # Failed to stop log_end_msg 1 ;; esac ;; *) #echo "Usage: $SCRIPTNAME {start|stop|restart|reload|force-reload}" >&2 echo "Usage: $SCRIPTNAME {start|stop|status|restart|force-reload}" >&2 exit 3 ;; esac : |