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141 lines
2.8 KiB
141 lines
2.8 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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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
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read -r choice
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if [ "$choice" = "1" ]; then
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frequency=144390000
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elif [ "$choice" = "2" ]; then
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frequency=434900000
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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 [ "$choice" = "5" ]; then
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echo
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echo "Enter the frequency in kiloHertz"
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echo
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read -r frequency
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frequency=$frequency"000"
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#echo $frequency
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elif [ "$choice" = "6" ]; then
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frequency=145825000
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elif [ "$choice" = "7" ]; then
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frequency=437100000
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#elif [ "$choice" = "6" ]; then
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else
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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 -- $value
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# aplay -D hw:0,0 ~/Recordings/437.098_2021-08-28_10-41-34.wav &
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# aplay -D hw:3,0,0 ~/Recordings/437.098_2021-08-28_10-41-34.wav &
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# aplay -D hw:0,0 WAV/SDRSharp_20210830_200034Z_437097377Hz_AF.wav &
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# aplay -D hw:${2:0:1},0,0 WAV/SDRSharp_20210830_200034Z_437097377Hz_AF.wav &
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aplay -D hw:0,0 WAV/beacon_test_2.wav &
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aplay -D hw:${2:0:1},0,0 WAV/beacon_test_2.wav &
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timeout 30 direwolf -c direwolf/direwolf-4800.conf -r 48000 -t 0
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echo
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echo "Test complete. This window will close in 10 seconds."
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sleep 5
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exit
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fi
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echo
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echo "Note that the 'Tuned to' frequency will be different from the chosen frequency due to the way SDRs work."
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echo
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if [ "$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 direwolf/direwolf-4800.conf -t 0 &
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else
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echo -e "Auto decoding APRS packets on $frequency Hz"
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direwolf -r 48000 -c direwolf/direwolf.conf -t 0 &
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fi
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sleep 5
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value=`aplay -l | grep "Loopback"`
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echo "$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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