#!/bin/bash

# script to auto decode packet using rtl_fm and Direwolf and run Pacsat

export LD_LIBRARY_PATH=/mnt/usb-disk/ariss/lib:/usr/local/lib/iors_common:$LD_LIBRARY_PATH

#sudo systemctl stop cubesatsim

#sudo systemctl stop transmit

sudo systemctl stop command &>/dev/null

sudo modprobe snd-aloop

#sudo systemctl stop openwebrx

#sudo systemctl stop rtl_tcp &>/dev/null

#pkill -o chromium &>/dev/null

#sudo killall -9 rtl_fm &>/dev/null

#sudo killall -9 direwolf &>/dev/null

#udo killall -9 aplay &>/dev/null

#sudo killall -9 qsstv &>/dev/null

#sudo killall -9 rtl_tcp &>/dev/null

#sudo killall -9 java &>/dev/null

#sudo killall -9 CubicSDR &>/dev/null

#sudo killall -9 zenity &>/dev/null

echo

#frequency=$(zenity --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" 437100 "Serenity CubeSat 4800 bps" Serenity "Test Serenity CubeSat decoding with WAV file" APRS "Test APRS decoding with CubeSatSim WAV file")

#echo $frequency

#if [ -z "$frequency" ]; then 

#echo "No choice made.  Exiting."

#sleep 3

#exit

#echo "Choose the number for the packet decoding option:"
#echo
#echo "1. APRS US 2m (144390 kHz)"
#echo "2. CubeSatSim (434900 kHz)"
#echo "3. APRS European 2m (144800 kHz)"
#echo "4. APRS Australian 2m (145175 kHz)"
#echo "5. APRS on another frequency"
#echo "6. APRS on ISS (145825 kHz)"
#echo "7. Serenity CubeSat 4800 bps (437.1 MHz)"
#echo "8. Test Serenity CubeSat decoding with WAV file"
#echo "9. Test APRS decoding with CubeSatSim WAV file"
#echo

#read -r choice

choice=2

#fi

if [ "$choice" = "1" ] || [ "$frequency" = "144390" ]; then

  frequency=144390000

elif [ "$choice" = "2" ] || [ "$frequency" = "434900" ] ; then

  frequency=434900000
  echo
  echo "If your Pacsat Ground Station is transmitting packets, you will see them here"
  echo

elif [ "$choice" = "3" ] || [ "$frequency" = "144800" ]; then

  frequency=144800000

elif [ "$choice" = "4" ] || [ "$frequency" = "145175" ]; then

  frequency=145175000

elif [ "$choice" = "5" ] || [ "$frequency" = "Other" ] ; then

  echo

  echo "Enter the frequency in kiloHertz"

  echo

  read -r frequency

  frequency=$frequency"000"

  #echo $frequency

elif [ "$choice" = "6" ]  || [ "$frequency" = "145825" ] ; then

  frequency=145825000
  echo
  echo "If the ISS is overhead and in APRS mode (see tracking application such as Gpredict), you will see packets."
  echo

elif [ "$choice" = "7" ] || [ "$frequency" = "437100" ] ; then

  frequency=437100000
  echo
  echo "If the Serenity CubeSat is overhead and transmitting (see tracking application such as Gpredict), you will see packets."
  echo

elif [ "$choice" = "8" ] || [ "$frequency" = "Serenity" ] ; then

  echo "A recorded WAV file will play and you should see some packets decoded"

  echo 
 
  value=`aplay -l | grep "Loopback"`
  echo "$value" > /dev/null
  set -- $value

#  aplay -D hw:0,0 /home/pi/CubeSatSim/groundstation/WAV/SDRSharp_20210830_200034Z_437097377Hz_AF.wav &
#  aplay -D hw:${2:0:1},0,0 /home/pi/CubeSatSim/groundstation/WAV/SDRSharp_20210830_200034Z_437097377Hz_AF.wav &
  aplay -D hw:0,0 /home/pi/CubeSatSim/groundstation/WAV/beacon_test_2.wav &
  aplay -D hw:${2:0:1},0,0 /home/pi/CubeSatSim/groundstation/WAV/beacon_test_2.wav &

  timeout 30 direwolf -c /home/pi/CubeSatSim/groundstation/direwolf/direwolf-4800.conf -r 48000 -t 0
  
  echo
  
  echo "Test complete.  This window will close in 10 seconds."
  
  sleep 5
  
  exit

elif [ "$choice" = "8" ] || [ "$frequency" = "APRS" ] ; then

  echo "A recorded APRS WAV file from the CubeSatSim will play and you should see a packet decoded."

  echo 
 
  value=`aplay -l | grep "Loopback"`
  echo "$value" > /dev/null
  set -- $value

  #aplay -D hw:0,0 /home/pi/CubeSatSim/telem.wav &
  (while true; do (sleep 2 && aplay -D hw:0,0 /home/pi/CubeSatSim/telem.wav &>/dev/null); done) &
  
  #aplay -D hw:${2:0:1},0,0 /home/pi/CubeSatSim/telem.wav &
  (while true; do (sleep 2 && aplay -D hw:${2:0:1},0,0 /home/pi/CubeSatSim/telem.wav &>/dev/null); done) &
  
  timeout 30 direwolf -c /home/pi/CubeSatSim/groundstation/direwolf/direwolf.conf -r 48000 -t 0
  
  echo
  
  echo "Test complete.  This window will close in 10 seconds."
  
  sleep 5
  
  exit

#fi

fi

#echo

#echo "Note that the 'Tuned to' frequency will be different from the chosen frequency due to the way SDRs work."

echo

if [ "$choice" = "7" ] || [ "$choice" = "8" ]  || [ "$frequency" = "Serenity" ]  || [ "$frequency" = "437100000" ] ; then

  echo -e "Auto decoding 4800 bps AX.25 packets on $frequency Hz"

  direwolf -r 48000 -c /home/pi/CubeSatSim/groundstation/direwolf/direwolf-4800.conf -t 0 &

else

#  echo -e "Auto decoding APRS Pacsat packets on $frequency Hz"

#  direwolf -P+ -D1 -qd -dp -r 48000 -c /home/pi/CubeSatSim/direwolf/direwolf-pacsatsim-loopback.conf -t 0 &

  /usr/bin/x-terminal-emulator --geometry=120x40 -e "/home/pi/CubeSatSim/pacsatsim-d.sh"

  arecord -D plughw:CARD=Loopback,DEV=1 -f S16_LE -r 48000 -c 1 | csdr convert_s16_f | csdr gain_ff 14000 | csdr convert_f_samplerf 20833 | sudo rpitx -i- -m RF -f 434900 &

  echo "Don't close the direwolf window or the Pacsatsim will stop running."

  echo
fi

sleep 5

value=`aplay -l | grep "Loopback"`
echo "$value" > /dev/null
set -- $value

#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 &

cd /home/pi/pi_pacsat/Debug

./pi_pacsat -c pacsat.config -d /home/pi/PacSat

sleep 5