#!/bin/bash

if [ ! -f /ramfs/.canbetx ]; then
	echo "Nothing to transmit, wait 5 seconds"
	sleep 5
	exit 1
fi

rm /ramfs/.canbetx
echo "=> moving totx.wav to out.wav"
mv /ramfs/totx.wav /ramfs/out.wav

# Utile pour couper le TX quand on ctrl+c et que le script n'abouti pas
trap ctrl_c INT
function ctrl_c() {
    echo "Ctrl + C happened"
    raspi-gpio set 4 dh
    rm -rf /ramfs/*
}

# Setup the GPIO4 as output for Tx
raspi-gpio set 4 op && raspi-gpio set 4 dh

raspi-gpio set 4 dl
sleep 1
echo " => Playing WAV file"
cd ~/trxamadrmv3_7/linux
./txwfal 0
sleep 1
aplay ~/BallonSonde/sound/annonce_start.wav
sleep 1
aplay /ramfs/out.wav
aplay ~/BallonSonde/sound/annonce_stop.wav
raspi-gpio set 4 dh

if [[ -f /ramfs/out.wav ]]; then
	echo " => All done, cleaning ramfs"
	rm -rf /ramfs/out.wav
fi

/home/pi/BallonSonde/tx_process/qpsk31