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171 lines
4.3 KiB
171 lines
4.3 KiB
#!/bin/bash
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# script to auto decode packet using rtl_fm and Direwolf
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sudo modprobe snd-aloop
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sudo killall -9 CubicSDR &>/dev/null
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sudo systemctl stop openwebrx
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sudo systemctl stop rtl_tcp
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pkill -o chromium &>/dev/null
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sudo killall -9 rtl_fm &>/dev/null
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sudo killall -9 direwolf &>/dev/null
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sudo killall -9 aplay &>/dev/null
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sudo killall -9 qsstv &>/dev/null
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sudo killall -9 rtl_tcp &>/dev/null
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sudo killall -9 java &>/dev/null
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sudo killall -9 sdrpp &>/dev/null
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sudo killall -9 zenity &>/dev/null
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sudo killall -9 rtl_fm &>/dev/null
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#sudo killall -9 fctelem &>/dev/null
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sudo /etc/init.d/alsa-utils stop
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sudo /etc/init.d/alsa-utils start
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echo
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frequency=$(zenity --timeout=10 --list 2>/dev/null --width=410 --height=360 --title="Packet Decoding with Direwolf" --text="Choose the frequency for packet decoding" --column="kHz" --column="Application" 144390 "APRS US 2m" 434900 "CubeSatSim" 144800 "APRS European 2m" 145175 "APRS Australian 2m" Other "Choose another frequency" 145825 "APRS on ISS" APRS "Test APRS decoding with CubeSatSim WAV file")
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#echo $frequency
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if [ -z "$frequency" ]; then
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echo "No choice made."
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frequency=434900
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#echo "Choose the number for the packet decoding option:"
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#echo
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#echo "1. APRS US 2m (144390 kHz)"
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#echo "2. CubeSatSim (434900 kHz)"
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#echo "3. APRS European 2m (144800 kHz)"
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#echo "4. APRS Australian 2m (145175 kHz)"
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#echo "5. APRS on another frequency"
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#echo "6. APRS on ISS (145825 kHz)"
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#echo "7. Serenity CubeSat 4800 bps (437.1 MHz)"
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#echo "8. Test Serenity CubeSat decoding with WAV file"
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#echo "9. Test APRS decoding with CubeSatSim WAV file"
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#echo
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#read -r choice
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fi
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if [ "$choice" = "1" ] || [ "$frequency" = "144390" ]; then
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frequency=144390000
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elif [ "$choice" = "2" ] || [ "$frequency" = "434900" ] ; then
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frequency=434900000
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echo
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echo "If your CubeSatSim is transmitting in APRS mode (mode 1) then you should see packets."
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echo
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elif [ "$choice" = "3" ] || [ "$frequency" = "144800" ]; then
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frequency=144800000
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elif [ "$choice" = "4" ] || [ "$frequency" = "145175" ]; then
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frequency=145175000
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elif [ "$choice" = "5" ] || [ "$frequency" = "Other" ] ; then
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echo
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echo "Enter the frequency in kiloHertz"
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echo
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read -r frequency
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frequency=$frequency"000"
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#echo $frequency
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elif [ "$choice" = "6" ] || [ "$frequency" = "145825" ] ; then
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frequency=145825000
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echo
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echo "If the ISS is overhead and in APRS mode (see tracking application such as Gpredict), you will see packets."
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echo
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elif [ "$choice" = "8" ] || [ "$frequency" = "APRS" ] ; then
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echo "A recorded APRS WAV file from the CubeSatSim will play and you should see a packet decoded."
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echo
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value=`aplay -l | grep "Loopback"`
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echo "$value" > /dev/null
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set -- $value
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#aplay -D hw:0,0 /home/pi/CubeSatSim/telem.wav &
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(while true; do (sleep 2 && aplay -D hw:0,0 /home/pi/CubeSatSim/telem.wav &>/dev/null); done) &
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#aplay -D hw:${2:0:1},0,0 /home/pi/CubeSatSim/telem.wav &
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(while true; do (sleep 2 && aplay -D hw:${2:0:1},0,0 /home/pi/CubeSatSim/telem.wav &>/dev/null); done) &
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timeout 30 direwolf -c /home/pi/CubeSatSim/groundstation/direwolf/direwolf.conf -r 48000 -t 0
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echo
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echo "Test complete. This window will close in 10 seconds."
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sleep 5
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exit
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#fi
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fi
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echo
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echo "Note that the 'Tuned to' frequency will be different from the chosen frequency due to the way SDRs work."
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echo
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#if [ "$choice" = "7" ] || [ "$choice" = "8" ] || [ "$frequency" = "Serenity" ] || [ "$frequency" = "437100000" ] ; then
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# echo -e "Auto decoding 4800 bps AX.25 packets on $frequency Hz"
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# direwolf -r 48000 -c /home/pi/CubeSatSim/groundstation/direwolf/direwolf-4800.conf -t 0 &
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#else
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echo -e "Auto decoding APRS packets on $frequency Hz"
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# direwolf -r 48000 -c /home/pi/CubeSatSim/groundstation/direwolf/direwolf.conf -t 0 &
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setsid direwolf -r 48000 -c /home/pi/CubeSatSim/groundstation/direwolf/direwolf.conf &
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#fi
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sleep 5
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value=`aplay -l | grep "Loopback"`
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echo "$value" > /dev/null
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set -- $value
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#rtl_fm -M fm -f 144.39M -s 48k | aplay -D hw:${2:0:1},0,0 -r 48000 -t raw -f S16_LE -c 1
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rtl_fm -M fm -f $frequency -s 48k | tee >(aplay -D hw:${2:0:1},0,0 -r 48000 -t raw -f S16_LE -c 1) | aplay -r 48000 -t raw -f S16_LE -c 1
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rtl_fm -M fm -f $frequency -s 48k | aplay -D hw:${2:0:1},0,0 -r 48000 -t raw -f S16_LE -c 1
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sleep 5
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