av/cmd/looper/README.md

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# DESCRIPTION
looper is a process that will continually repeat playback of an audio file.
Intended hardware is raspberry pi 3 or raspberry pi zero (with audio injector
sound card hat, see http://www.audioinjector.net/rpi-zero).
# AUTHORS
Ella Pietraroia <ella@ausocean.org>
Saxon Nelson-Milton <saxon@ausocean.org>
# Pi Setup:
1) sudo make install_hard
2) modify ma field in /etc/netsender.conf file to be mac of device
3) modify audio file flag in ./looper execution command in /etc/rc.local to be path of file we'd like to play
4) systemctl enable rc-local
5) sudo systemctl start rc-local.service
6) To check that install steps were successful, restart device and confirm that sound plays.