mirror of
https://github.com/DJ2LS/FreeDATA
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28 lines
898 B
Bash
Executable file
28 lines
898 B
Bash
Executable file
#!/bin/bash -x
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# Run a test using the virtual sound cards, sound I/O performed by aplay/arecord at
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# Fs=8000 Hz, and we pipe to Python utilities
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function check_alsa_loopback {
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lsmod | grep snd_aloop >> /dev/null
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if [ $? -eq 1 ]; then
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echo "ALSA loopback device not present. Please install with:"
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echo
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echo " sudo modprobe snd-aloop index=1,2 enable=1,1 pcm_substreams=1,1 id=CHAT1,CHAT2"
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exit 1
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fi
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}
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check_alsa_loopback
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RX_LOG=$(mktemp)
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MAX_RUN_TIME=2600
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# make sure all child processes are killed when we exit
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trap 'jobs -p | xargs -r kill' EXIT
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arecord --device="plughw:CARD=CHAT2,DEV=0" -r 48000 -f S16_LE -d $MAX_RUN_TIME | python3 util_rx.py --mode datac0 --frames 2 --bursts 5 --debug &
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rx_pid=$!
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sleep 1
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python3 util_tx.py --mode datac0 --frames 2 --bursts 5 --delay 500 | aplay --device="plughw:CARD=CHAT2,DEV=1" -r 48000 -f S16_LE
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wait ${rx_pid}
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