mirror of
https://github.com/DJ2LS/FreeDATA
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32 lines
1 KiB
Bash
Executable file
32 lines
1 KiB
Bash
Executable file
#!/bin/bash -x
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# Run a test using the virtual sound cards, tx sound I/O performed by aplay
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# and arecord at Fs=48000Hz, 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 -r 48000 --device="plughw:CARD=CHAT1,DEV=0" -f S16_LE -d $MAX_RUN_TIME | \
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sox -t .s16 -r 48000 -c 1 - -t .s16 -r 8000 -c 1 - | \
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python3 test_rx.py --mode datac0 --frames 2 --bursts 5 --debug &
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rx_pid=$!
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sleep 1
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python3 test_tx.py --mode datac0 --frames 2 --bursts 5 --delay 500 | \
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sox -t .s16 -r 8000 -c 1 - -t .s16 -r 48000 -c 1 - | \
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aplay -r 48000 --device="plughw:CARD=CHAT1,DEV=1" -f S16_LE
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wait ${rx_pid}
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