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184 lines
4.7 KiB
184 lines
4.7 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 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 CubicSDR &>/dev/null
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echo
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frequency=$(zenity --list 2>/dev/null --title="Choose the frequency" --column="kHz" --column="Use" 144390 "APRS US 2m" 434900 "CubeSatSim" 144800 "APRS European 2m" 145175 "APRS Australian 2m" Other "Choose another frequency" 145825 "APRS on ISS" 437100 "Serenity CubeSat 4800 bps" Serenity "Test Serenity CubeSat decoding with WAV file" 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 "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 [ "$choice" = "1" ]; then
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frequency=144390000
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elif [ "$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" ]; then
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frequency=144800000
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elif [ "$choice" = "4" ]; then
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frequency=145175000
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elif [ "$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" = "7" ] || [ "$frequency" = "437100" ] ; then
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frequency=437100000
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echo
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echo "If the Serenity CubeSat is overhead and transmitting (see tracking application such as Gpredict), you will see packets."
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echo
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elif [ "$choice" = "8" ] || [ "$frequency" = "Serenity" ] ; then
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echo "A recorded WAV file will play and you should see some packets decoded"
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echo
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value=`aplay -l | grep "Loopback"`
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echo "$value" > /dev/null
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set -- $value
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# aplay -D hw:0,0 /home/pi/CubeSatSim/groundstation/WAV/SDRSharp_20210830_200034Z_437097377Hz_AF.wav &
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# aplay -D hw:${2:0:1},0,0 /home/pi/CubeSatSim/groundstation/WAV/SDRSharp_20210830_200034Z_437097377Hz_AF.wav &
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aplay -D hw:0,0 /home/pi/CubeSatSim/groundstation/WAV/beacon_test_2.wav &
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aplay -D hw:${2:0:1},0,0 /home/pi/CubeSatSim/groundstation/WAV/beacon_test_2.wav &
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timeout 30 direwolf -c /home/pi/CubeSatSim/groundstation/direwolf/direwolf-4800.conf -r 48000 -t 0
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echo
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echo "Test complete. This window will close in 10 seconds."
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sleep 5
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exit
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elif [ "$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" ]; then
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echo -e "Auto decoding 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 $frequency Hz"
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direwolf -r 48000 -c /home/pi/CubeSatSim/groundstation/direwolf/direwolf.conf -t 0 &
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fi
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sleep 5
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value=`aplay -l | grep "Loopback"`
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echo "$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 -D hw:0,0 -r 48000 -t raw -f S16_LE -c 1
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sleep 5
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