mirror of https://github.com/wb2osz/direwolf.git
137 lines
2.9 KiB
Bash
137 lines
2.9 KiB
Bash
#!/bin/bash
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#
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# Run this from crontab periodically to start up
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# Dire Wolf automatically.
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#
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# I prefer this method instead of putting something
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# in ~/.config/autostart. That would start an application
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# only when the desktop first starts up.
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#
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# This method will restart the application if it
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# crashes or stops for any other reason.
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#
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# This script has some specifics the Raspberry Pi.
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# Some adjustments might be needed for other Linux variations.
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#
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#
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# For normal operation as TNC, digipeater, IGate, etc.
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# Print audio statistics each 100 seconds for troubleshooting.
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#
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DWCMD="direwolf -a 100"
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#
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# Set the logfile location
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#
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LOGFILE=/tmp/dw-start.log
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#
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# When running from cron, we have a very minimal environment
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# including PATH=/usr/bin:/bin.
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#
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export PATH=/usr/local/bin:$PATH
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#
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# If we are going to use screen, we put our screen binary in
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# the USESCREEN variable, otherwise, set it to 0
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USESCREEN=/usr/bin/screen
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#
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# Nothing to do if it is already running.
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#
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a=`pgrep direwolf`
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if [ "$a" != "" ]
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then
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#date >> /tmp/dw-start.log
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#echo "Already running." >> $LOGFILE
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exit
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fi
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# First wait a little while in case we just rebooted
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# and the desktop hasn't started up yet.
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#
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sleep 30
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#
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# If we are going the SCREEN route, then we need to
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# see if we have a session open and if not, open it.
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#
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if [ -x $USESCREEN ]
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then
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# If there is no screen running, then we need one to attach to
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#
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if screen -list | awk '{print $1}' | grep -q "direwolf$"; then
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echo "screen direwolf already exists" >> $LOGFILE
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else
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echo "creating direwolf screen session" >> $LOGFILE
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screen -d -m -S direwolf
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fi
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sleep 1
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screen -S direwolf -X screen -t Direwolf $DWCMD
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exit 0
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fi
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#
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# In my case, the Raspberry Pi is not connected to a monitor.
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# I access it remotely using VNC as described here:
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# http://learn.adafruit.com/adafruit-raspberry-pi-lesson-7-remote-control-with-vnc
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#
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# If VNC server is running, use its display number.
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# Otherwise default to :0.
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#
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date >> $LOGFILE
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export DISPLAY=":0"
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v=`ps -ef | grep Xtightvnc | grep -v grep`
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if [ "$v" != "" ]
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then
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d=`echo "$v" | sed 's/.*tightvnc *\(:[0-9]\).*/\1/'`
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export DISPLAY="$d"
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fi
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echo "DISPLAY=$DISPLAY" >> $LOGFILE
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echo "Start up application." >> $LOGFILE
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# Alternative for running with SDR receiver.
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# Piping one application into another makes it a little more complicated.
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# We need to use bash for the | to be recognized.
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#DWCMD="bash -c 'rtl_fm -f 144.39M - | direwolf -c sdr.conf -r 24000 -D 1 -'"
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#
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# Adjust for your particular situation: gnome-terminal, xterm, etc.
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#
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if [ -x /usr/bin/lxterminal ]
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then
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/usr/bin/lxterminal -t "Dire Wolf" -e "$DWCMD" &
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elif [ -x /usr/bin/xterm ]
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then
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/usr/bin/xterm -bg white -fg black -e "$DWCMD" &
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elif [ -x /usr/bin/x-terminal-emulator ]
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then
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/usr/bin/x-terminal-emulator -e "$DWCMD" &
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else
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echo "Did not find an X terminal emulator."
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fi
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echo "-----------------------" >> $LOGFILE
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