RandomVideo/buzzer.sh

#!/bin/sh

buzzgpio=0
strobogpio=2
swupgpio=23
swdowngpio=25

player="cvlc"
playerparam="--play-and-exit --quiet --no-osd -A alsa --alsa-audio-device=front:CARD=Device,DEV=0"
pgrepplayer="vlc"

cmdgpio="$(command -v gpio)"

$cmdgpio mode $buzzgpio in

$cmdgpio mode $strobogpio out
$cmdgpio write $strobogpio 1

$cmdgpio mode $swdowngpio in
$cmdgpio mode $swupgpio in

while true; do

	buzzerstat="$($cmdgpio read $buzzgpio)"
	swupstat="$($cmdgpio read $swupgpio)"
	
	if [ "$buzzerstat" -eq 0 ] && [ "$swupstat" -eq 0 ]; then
		/home/pi/RandomVideo/RandomVideo.sh buzzer
		$cmdgpio write $strobogpio 0; sleep 1; $cmdgpio write $strobogpio 1 &

		sleep 1

	elif [ "$swupstat" -eq 1 ]; then

		if $(command -v pgrep) "$pgrepplayer" > /dev/null; then
               		$(command -v pkill) "$pgrepplayer"
		fi

		$(command -v $player) $playerparam --loop ~/RandomVideo/onair.mp4 &

		while [ "$swupstat" -eq 1 ]; do
			swupstat="$($cmdgpio read $swupgpio)"
			sleep 0.1
		done

               	$(command -v pkill) "$pgrepplayer"

	elif [ "$buzzerstat" -eq 1 ] && [ "$swupstat" -eq 0 ]; then
		sleep 0.1

	fi

done