87 lines
2.0 KiB
Bash
Executable File
87 lines
2.0 KiB
Bash
Executable File
#!/bin/sh
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# SPDX-License-Identifier: Unlicense
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buzzergpio=0
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strobegpio=2
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swupgpio=23
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swdowngpio=25
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player="cvlc"
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playerparam="--play-and-exit --quiet --no-osd -A alsa --alsa-audio-device=front:CARD=Device,DEV=0"
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playerloop="--loop"
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pgrepplayer="vlc"
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pollingtime=0.05
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buzzertimeout=2
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strobeduration=1
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volumetimeout=0.1
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volumemax=100
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playerfull="$(command -v $player) $playerparam"
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cmdgpio="$(command -v gpio)"
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cmdamixer="$(command -v amixer)"
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$cmdgpio mode $buzzergpio in
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$cmdgpio mode $strobegpio out
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$cmdgpio write $strobegpio 1
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$cmdgpio mode $swdowngpio in
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$cmdgpio mode $swupgpio in
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volumevalue=0
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$cmdamixer -q -c 2 sset 'Speaker' $volumevalue%
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while true; do
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buzzerstat="$($cmdgpio read $buzzergpio)"
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swupstat="$($cmdgpio read $swupgpio)"
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swdownstat="$($cmdgpio read $swdowngpio)"
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if [ "$buzzerstat" -eq 0 ] && [ "$swupstat" -eq 0 ]; then
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~/RandomVideo/RandomVideo.sh buzzer
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$cmdgpio write $strobegpio 0; sleep $strobeduration; $cmdgpio write $strobegpio 1 &
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sleep $buzzertimeout
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elif [ "$swupstat" -eq 1 ]; then
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if pgrep "$pgrepplayer" > /dev/null; then
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pkill "$pgrepplayer"
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fi
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$playerfull $playerloop ~/RandomVideo/onair.mp4 &
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while [ "$swupstat" -eq 1 ]; do
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swupstat="$($cmdgpio read $swupgpio)"
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sleep $pollingtime
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done
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pkill "$pgrepplayer"
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elif [ "$volumevalue" -eq 0 ] && [ "$swdownstat" -eq 1 ]; then
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while [ "$volumevalue" -lt "$volumemax" ] && [ "$buzzerstat" -eq 1 ]; do
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volumevalue=$((volumevalue + 1))
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$cmdamixer -q -c 2 sset 'Speaker' $volumevalue%
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buzzerstat="$($cmdgpio read $buzzergpio)"
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sleep $volumetimeout
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done
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elif [ "$volumevalue" -gt 0 ] && [ "$swdownstat" -eq 0 ]; then
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while [ "$volumevalue" -gt 0 ] && [ "$swdownstat" -eq 0 ]; do
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volumevalue=$((volumevalue -1))
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$cmdamixer -q -c 2 sset 'Speaker' $volumevalue%
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swdownstat="$($cmdgpio read $swdowngpio)"
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sleep $volumetimeout
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done
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elif [ "$buzzerstat" -eq 1 ] && [ "$swupstat" -eq 0 ]; then
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sleep $pollingtime
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fi
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done
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