FreeDATA/test/001_highsnr_stdio_audio/test_virtual3.sh

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#!/bin/bash -x
# Run a test using the virtual sound cards, Python audio I/O
function check_alsa_loopback {
lsmod | grep snd_aloop >> /dev/null
if [ $? -eq 1 ]; then
echo "ALSA loopback device not present. Please install with:"
echo
echo " sudo modprobe snd-aloop index=1,2 enable=1,1 pcm_substreams=1,1 id=CHAT1,CHAT2"
exit 1
fi
}
check_alsa_loopback
# make sure all child processes are killed when we exit
trap 'jobs -p | xargs -r kill' EXIT
python3 test_callback_rx.py --mode datac0 --frames 2 --bursts 3 --audiodev -2 --debug &
rx_pid=$!
#sleep 1
python3 test_tx.py --mode datac0 --frames 2 --bursts 3 --audiodev -2
wait ${rx_pid}